[submodule "vendor/grit"]
path = vendor/grit
url = https://chromium.googlesource.com/chromium/src/tools/grit.git
+[submodule "vendor/pdf_viewer"]
+ path = vendor/pdf_viewer
+ url = https://github.com/deepak1556/pdf-viewer.git
+++ /dev/null
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-'use strict';
-
-/**
- * Returns a promise that will resolve to the default zoom factor.
- * @return {Promise<number>} A promise that will resolve to the default zoom
- * factor.
- */
-function lookupDefaultZoom() {
- return cr.sendWithPromise('getDefaultZoom');
-}
-
-/**
- * Returns a promise that will resolve to the initial zoom factor
- * upon starting the plugin. This may differ from the default zoom
- * if, for example, the page is zoomed before the plugin is run.
- * @return {Promise<number>} A promise that will resolve to the initial zoom
- * factor.
- */
-function lookupInitialZoom() {
- return cr.sendWithPromise('getInitialZoom');
-}
-
-/**
- * A class providing an interface to the browser.
- */
-class BrowserApi {
- /**
- * @constructor
- * @param {!Object} streamInfo The stream object which points to the data
- * contained in the PDF.
- * @param {number} defaultZoom The default browser zoom.
- * @param {number} initialZoom The initial browser zoom
- * upon starting the plugin.
- * @param {boolean} manageZoom Whether to manage zoom.
- */
- constructor(streamInfo, defaultZoom, initialZoom, manageZoom) {
- this.streamInfo_ = streamInfo;
- this.defaultZoom_ = defaultZoom;
- this.initialZoom_ = initialZoom;
- this.manageZoom_ = manageZoom;
- }
-
- /**
- * Returns a promise to a BrowserApi.
- * @param {!Object} streamInfo The stream object pointing to the data
- * contained in the PDF.
- * @param {boolean} manageZoom Whether to manage zoom.
- */
- static create(streamInfo, manageZoom) {
- return Promise.all([
- lookupDefaultZoom(),
- lookupInitialZoom()
- ]).then(function(zoomFactors) {
- return new BrowserApi(
- streamInfo, zoomFactors[0], zoomFactors[1], manageZoom);
- });
- }
-
- /**
- * Returns the stream info pointing to the data contained in the PDF.
- * @return {Object} The stream info object.
- */
- getStreamInfo() {
- return this.streamInfo_;
- }
-
- /**
- * Sets the browser zoom.
- * @param {number} zoom The zoom factor to send to the browser.
- * @return {Promise} A promise that will be resolved when the browser zoom
- * has been updated.
- */
- setZoom(zoom) {
- if (!this.manageZoom_)
- return Promise.resolve();
- return cr.sendWithPromise('setZoom', zoom);
- }
-
- /**
- * Returns the default browser zoom factor.
- * @return {number} The default browser zoom factor.
- */
- getDefaultZoom() {
- return this.defaultZoom_;
- }
-
- /**
- * Returns the initial browser zoom factor.
- * @return {number} The initial browser zoom factor.
- */
- getInitialZoom() {
- return this.initialZoom_;
- }
-
- /**
- * Adds an event listener to be notified when the browser zoom changes.
- * @param {function} listener The listener to be called with the new zoom
- * factor.
- */
- addZoomEventListener(listener) {
- if (!this.manageZoom_)
- return;
-
- cr.addWebUIListener('onZoomLevelChanged', function(newZoomFactor) {
- listener(newZoomFactor);
- });
- }
-};
-
-/**
- * Creates a BrowserApi instance for an extension not running as a mime handler.
- * @return {Promise<BrowserApi>} A promise to a BrowserApi instance constructed
- * from the URL.
- */
-function createBrowserApi(opts) {
- let streamInfo = {
- streamUrl: opts.originalURL,
- originalUrl: opts.originalURL,
- responseHeaders: {},
- embedded: window.parent != window,
- tabId: -1,
- };
- return new Promise(function(resolve, reject) {
- resolve(BrowserApi.create(streamInfo, true));
- });
-}
+++ /dev/null
-<link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/iron-iconset-svg/iron-iconset-svg.html">
-
-<iron-iconset-svg size="24" name="pdf">
- <svg>
- <defs>
- <!--
- These icons are copied from Polymer's iron-icons and kept in sorted order.
- See http://goo.gl/Y1OdAq for instructions on adding additional icons.
- -->
- <g id="add"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"></path></g>
- <g id="bookmark"><path d="M17 3H7c-1.1 0-1.99.9-1.99 2L5 21l7-3 7 3V5c0-1.1-.9-2-2-2z"></path></g>
- <g id="bookmark-border"><path d="M17 3H7c-1.1 0-1.99.9-1.99 2L5 21l7-3 7 3V5c0-1.1-.9-2-2-2zm0 15l-5-2.18L7 18V5h10v13z"></path></g>
- <g id="fullscreen-exit"><path d="M5 16h3v3h2v-5H5v2zm3-8H5v2h5V5H8v3zm6 11h2v-3h3v-2h-5v5zm2-11V5h-2v5h5V8h-3z"></path></g>
- <g id="remove"><path d="M19 13H5v-2h14v2z"></path></g>
- <g id="rotate-right"><path d="M15.55 5.55L11 1v3.07C7.06 4.56 4 7.92 4 12s3.05 7.44 7 7.93v-2.02c-2.84-.48-5-2.94-5-5.91s2.16-5.43 5-5.91V10l4.55-4.45zM19.93 11c-.17-1.39-.72-2.73-1.62-3.89l-1.42 1.42c.54.75.88 1.6 1.02 2.47h2.02zM13 17.9v2.02c1.39-.17 2.74-.71 3.9-1.61l-1.44-1.44c-.75.54-1.59.89-2.46 1.03zm3.89-2.42l1.42 1.41c.9-1.16 1.45-2.5 1.62-3.89h-2.02c-.14.87-.48 1.72-1.02 2.48z"></path></g>
- </defs>
- </svg>
-</iron-iconset-svg>
+++ /dev/null
-/* Copyright 2015 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-:root {
- --iron-icon-height: 20px;
- --iron-icon-width: 20px;
- --paper-icon-button: {
- height: 32px;
- padding: 6px;
- width: 32px;
- };
- --paper-icon-button-ink-color: rgb(189, 189, 189);
- --viewer-icon-ink-color: rgb(189, 189, 189);
-}
+++ /dev/null
-/* Copyright 2015 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-#item {
- @apply(--layout-center);
- @apply(--layout-horizontal);
- color: rgb(80, 80, 80);
- cursor: pointer;
- font-size: 77.8%;
- height: 30px;
- position: relative;
-}
-
-#item:hover {
- background-color: rgb(237, 237, 237);
- color: rgb(20, 20, 20);
-}
-
-paper-ripple {
- /* Allowing the ripple to capture pointer events prevents a focus rectangle
- * for showing up for clicks, while still allowing it with tab-navigation.
- * This undoes a paper-ripple bugfix aimed at non-Chrome browsers.
- * TODO(tsergeant): Improve focus in viewer-bookmark so this can be removed
- * (https://crbug.com/5448190). */
- pointer-events: auto;
-}
-
-#title {
- overflow: hidden;
- text-overflow: ellipsis;
- white-space: nowrap;
-}
-
-#expand {
- --iron-icon-height: 16px;
- --iron-icon-width: 16px;
- --paper-icon-button-ink-color: var(--paper-grey-900);
- height: 28px;
- min-width: 28px;
- padding: 6px;
- transition: transform 150ms;
- width: 28px;
-}
-
-:host-context([dir=rtl]) #expand {
- transform: rotate(180deg);
-}
-
-:host([children-shown]) #expand {
- transform: rotate(90deg);
-}
+++ /dev/null
-<link rel="import" href="chrome://resources/cr_elements/icons.html">
-<link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-ripple/paper-ripple.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-styles/color.html">
-
-<dom-module id="viewer-bookmark" attributes="bookmark">
- <link rel="import" type="css" href="viewer-bookmark.css">
- <template>
- <div id="item" on-click="onClick">
- <paper-ripple></paper-ripple>
- <paper-icon-button id="expand" icon="cr:chevron-right"
- on-click="toggleChildren">
- </paper-icon-button>
- <span id="title" tabindex="0">{{bookmark.title}}</span>
- </div>
- <!-- dom-if will stamp the complex bookmark tree lazily as individual nodes
- are opened. -->
- <template is="dom-if" if="{{childrenShown}}" id="sub-bookmarks">
- <template is="dom-repeat" items="{{bookmark.children}}">
- <viewer-bookmark bookmark="{{item}}" depth="{{childDepth}}">
- </viewer-bookmark>
- </template>
- </template>
- </template>
-</dom-module>
-<script src="viewer-bookmark.js"></script>
+++ /dev/null
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-(function() {
- /** Amount that each level of bookmarks is indented by (px). */
- var BOOKMARK_INDENT = 20;
-
- Polymer({
- is: 'viewer-bookmark',
-
- properties: {
- /**
- * A bookmark object, each containing a:
- * - title
- * - page (optional)
- * - children (an array of bookmarks)
- */
- bookmark: {
- type: Object,
- observer: 'bookmarkChanged_'
- },
-
- depth: {
- type: Number,
- observer: 'depthChanged'
- },
-
- childDepth: Number,
-
- childrenShown: {
- type: Boolean,
- reflectToAttribute: true,
- value: false
- },
-
- keyEventTarget: {
- type: Object,
- value: function() {
- return this.$.item;
- }
- }
- },
-
- behaviors: [
- Polymer.IronA11yKeysBehavior
- ],
-
- keyBindings: {
- 'enter': 'onEnter_',
- 'space': 'onSpace_'
- },
-
- bookmarkChanged_: function() {
- this.$.expand.style.visibility =
- this.bookmark.children.length > 0 ? 'visible' : 'hidden';
- },
-
- depthChanged: function() {
- this.childDepth = this.depth + 1;
- this.$.item.style.webkitPaddingStart =
- (this.depth * BOOKMARK_INDENT) + 'px';
- },
-
- onClick: function() {
- if (this.bookmark.hasOwnProperty('page'))
- this.fire('change-page', {page: this.bookmark.page});
- else if (this.bookmark.hasOwnProperty('uri'))
- this.fire('navigate', {uri: this.bookmark.uri, newtab: true});
- },
-
- onEnter_: function(e) {
- // Don't allow events which have propagated up from the expand button to
- // trigger a click.
- if (e.detail.keyboardEvent.target != this.$.expand)
- this.onClick();
- },
-
- onSpace_: function(e) {
- // paper-icon-button stops propagation of space events, so there's no need
- // to check the event source here.
- this.onClick();
- // Prevent default space scroll behavior.
- e.detail.keyboardEvent.preventDefault();
- },
-
- toggleChildren: function(e) {
- this.childrenShown = !this.childrenShown;
- e.stopPropagation(); // Prevent the above onClick handler from firing.
- }
- });
-})();
+++ /dev/null
-<link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="../viewer-bookmark/viewer-bookmark.html">
-
-<dom-module id="viewer-bookmarks-content">
- <template>
- <template is="dom-repeat" items="{{bookmarks}}">
- <viewer-bookmark bookmark="{{item}}" depth="0"></viewer-bookmark>
- </template>
- </template>
-</dom-module>
-<script src="viewer-bookmarks-content.js"></script>
+++ /dev/null
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-Polymer({
- is: 'viewer-bookmarks-content'
-});
+++ /dev/null
-/* Copyright 2015 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-.last-item {
- margin-bottom: 24px;
-}
+++ /dev/null
-<link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/animations/fade-in-animation.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-dialog/paper-dialog.html">
-
-<dom-module id="viewer-error-screen">
- <link rel="import" type="css" href="viewer-error-screen.css">
- <template>
- <paper-dialog id="dialog" modal no-cancel-on-esc-key
- entry-animation="fade-in-animation">
- <div id="load-failed-message" class="last-item">
- {{strings.pageLoadFailed}}
- </div>
- <div class="buttons" hidden$="{{!reloadFn}}">
- <paper-button on-click="reload" autofocus>
- {{strings.pageReload}}
- </paper-button>
- </div>
- </paper-dialog>
- </template>
-</dom-module>
-<script src="viewer-error-screen.js"></script>
+++ /dev/null
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-Polymer({
- is: 'viewer-error-screen',
- properties: {
- reloadFn: {
- type: Object,
- value: null,
- observer: 'reloadFnChanged_'
- },
-
- strings: Object,
- },
-
- reloadFnChanged_: function() {
- // The default margins in paper-dialog don't work well with hiding/showing
- // the .buttons div. We need to manually manage the bottom margin to get
- // around this.
- if (this.reloadFn)
- this.$['load-failed-message'].classList.remove('last-item');
- else
- this.$['load-failed-message'].classList.add('last-item');
- },
-
- show: function() {
- this.$.dialog.open();
- },
-
- reload: function() {
- if (this.reloadFn)
- this.reloadFn();
- }
-});
+++ /dev/null
-/* Copyright 2013 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-:host {
- -webkit-transition: opacity 400ms ease-in-out;
- pointer-events: none;
- position: fixed;
- right: 0;
-}
-
-#text {
- background-color: rgba(0, 0, 0, 0.5);
- border-radius: 5px;
- color: white;
- float: left;
- font-family: sans-serif;
- font-size: 12px;
- font-weight: bold;
- line-height: 48px;
- text-align: center;
- text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.8);
- width: 62px;
-}
-
-#triangle-right {
- border-bottom: 6px solid transparent;
- border-left: 8px solid rgba(0, 0, 0, 0.5);
- border-top: 6px solid transparent;
- display: inline;
- float: left;
- height: 0;
- margin-top: 18px;
- width: 0;
-}
\ No newline at end of file
+++ /dev/null
-<link rel="import" href="chrome://resources/html/polymer.html">
-
-<dom-module id="viewer-page-indicator">
- <link rel="import" type="css" href="viewer-page-indicator.css">
- <template>
- <div id="text">{{label}}</div>
- <div id="triangle-right"></div>
- </template>
-</dom-module>
-<script src="viewer-page-indicator.js"></script>
+++ /dev/null
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-Polymer({
- is: 'viewer-page-indicator',
-
- properties: {
- label: {
- type: String,
- value: '1'
- },
-
- index: {
- type: Number,
- observer: 'indexChanged'
- },
-
- pageLabels: {
- type: Array,
- value: null,
- observer: 'pageLabelsChanged'
- }
- },
-
- timerId: undefined,
-
- ready: function() {
- var callback = this.fadeIn.bind(this, 2000);
- window.addEventListener('scroll', function() {
- requestAnimationFrame(callback);
- });
- },
-
- initialFadeIn: function() {
- this.fadeIn(6000);
- },
-
- fadeIn: function(displayTime) {
- var percent = window.scrollY /
- (document.body.scrollHeight -
- document.documentElement.clientHeight);
- this.style.top = percent *
- (document.documentElement.clientHeight - this.offsetHeight) + 'px';
- this.style.opacity = 1;
- clearTimeout(this.timerId);
-
- this.timerId = setTimeout(function() {
- this.style.opacity = 0;
- this.timerId = undefined;
- }.bind(this), displayTime);
- },
-
- pageLabelsChanged: function() {
- this.indexChanged();
- },
-
- indexChanged: function() {
- if (this.pageLabels)
- this.label = this.pageLabels[this.index];
- else
- this.label = String(this.index + 1);
- }
-});
+++ /dev/null
-/* Copyright 2015 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-:host {
- color: #fff;
- font-size: 94.4%;
-}
-
-:host ::selection {
- background: rgba(255, 255, 255, 0.3);
-}
-
-#pageselector {
- --paper-input-container-underline: {
- visibility: hidden;
- };
- --paper-input-container-underline-focus: {
- visibility: hidden;
- };
- display: inline-block;
- padding: 0;
- width: 1ch;
-}
-
-#input {
- -webkit-margin-start: -3px;
- color: #fff;
- line-height: 18px;
- padding: 3px;
- text-align: end;
-}
-
-#input:focus,
-#input:hover {
- background-color: rgba(0, 0, 0, 0.5);
- border-radius: 2px;
-}
-
-#slash {
- padding: 0 3px;
-}
-
-#pagelength-spacer {
- display: inline-block;
- text-align: start;
-}
-
-#slash,
-#pagelength {
- font-size: 76.5%;
-}
+++ /dev/null
-<link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/iron-input/iron-input.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-input/paper-input-container.html">
-
-<dom-module id="viewer-page-selector">
- <link rel="import" type="css" href="viewer-page-selector.css">
- <template>
- <paper-input-container id="pageselector" no-label-float>
- <input id="input" is="iron-input" value="{{pageNo}}"
- prevent-invalid-input allowed-pattern="\d" on-mouseup="select"
- on-change="pageNoCommitted" aria-label$="{{strings.labelPageNumber}}">
- </paper-input-container>
- <span id="slash"> / </span>
- <span id="pagelength-spacer">
- <span id="pagelength">{{docLength}}</span>
- </span>
- </template>
-</dom-module>
-<script src="viewer-page-selector.js"></script>
+++ /dev/null
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-Polymer({
- is: 'viewer-page-selector',
-
- properties: {
- /**
- * The number of pages the document contains.
- */
- docLength: {
- type: Number,
- value: 1,
- observer: 'docLengthChanged'
- },
-
- /**
- * The current page being viewed (1-based). A change to pageNo is mirrored
- * immediately to the input field. A change to the input field is not
- * mirrored back until pageNoCommitted() is called and change-page is fired.
- */
- pageNo: {
- type: Number,
- value: 1
- },
-
- strings: Object,
- },
-
- pageNoCommitted: function() {
- var page = parseInt(this.$.input.value);
-
- if (!isNaN(page) && page <= this.docLength && page > 0)
- this.fire('change-page', {page: page - 1});
- else
- this.$.input.value = this.pageNo;
- this.$.input.blur();
- },
-
- docLengthChanged: function() {
- var numDigits = this.docLength.toString().length;
- this.$.pageselector.style.width = numDigits + 'ch';
- // Set both sides of the slash to the same width, so that the layout is
- // exactly centered.
- this.$['pagelength-spacer'].style.width = numDigits + 'ch';
- },
-
- select: function() {
- this.$.input.select();
- },
-
- /**
- * @return {boolean} True if the selector input field is currently focused.
- */
- isActive: function() {
- return this.shadowRoot.activeElement == this.$.input;
- }
-});
+++ /dev/null
-<link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout-classes.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/animations/fade-in-animation.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/animations/fade-out-animation.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-dialog/paper-dialog.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-input/paper-input.html">
-
-<dom-module id="viewer-password-screen">
- <template>
- <style include="iron-flex iron-flex-alignment"></style>
- <paper-dialog id="dialog" modal no-cancel-on-esc-key
- entry-animation="fade-in-animation" exit-animation="fade-out-animation">
- <div id="message">{{strings.passwordPrompt}}</div>
- <div class="horizontal layout start">
- <paper-input-container id="password-container" class="flex"
- no-label-float invalid="[[invalid]]">
- <input is="iron-input" id="password" type="password" size="20"
- on-keypress="handleKey" autofocus>
- </input>
- <paper-input-error>{{strings.passwordInvalid}}</paper-input-error>
- </paper-input-container>
- <paper-button id="submit" on-click="submit">
- {{strings.passwordSubmit}}
- </paper-button>
- </div>
- </paper-dialog>
- </template>
-</dom-module>
-<script src="viewer-password-screen.js"></script>
+++ /dev/null
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-Polymer({
- is: 'viewer-password-screen',
-
- properties: {
- invalid: Boolean,
-
- active: {
- type: Boolean,
- value: false,
- observer: 'activeChanged'
- },
-
- strings: Object,
- },
-
- ready: function() {
- this.activeChanged();
- },
-
- accept: function() {
- this.active = false;
- },
-
- deny: function() {
- this.$.password.disabled = false;
- this.$.submit.disabled = false;
- this.invalid = true;
- this.$.password.focus();
- this.$.password.select();
- },
-
- handleKey: function(e) {
- if (e.keyCode == 13)
- this.submit();
- },
-
- submit: function() {
- if (this.$.password.value.length == 0)
- return;
- this.$.password.disabled = true;
- this.$.submit.disabled = true;
- this.fire('password-submitted', {password: this.$.password.value});
- },
-
- activeChanged: function() {
- if (this.active) {
- this.$.dialog.open();
- this.$.password.focus();
- } else {
- this.$.dialog.close();
- }
- }
-});
+++ /dev/null
-/* Copyright 2015 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-:host ::selection {
- background: rgba(255, 255, 255, 0.3);
-}
-
-/* We introduce a wrapper aligner element to help with laying out the main
- * toolbar content without changing the bottom-aligned progress bar. */
-#aligner {
- @apply(--layout-horizontal);
- @apply(--layout-center);
- padding: 0 16px;
- width: 100%;
-}
-
-#title {
- @apply(--layout-flex-5);
- font-size: 77.8%;
- font-weight: 500;
- overflow: hidden;
- text-overflow: ellipsis;
- white-space: nowrap;
-}
-
-#pageselector-container {
- @apply(--layout-flex-1);
- text-align: center;
- /* The container resizes according to the width of the toolbar. On small
- * screens with large numbers of pages, overflow page numbers without
- * wrapping. */
- white-space: nowrap;
-}
-
-#buttons {
- @apply(--layout-flex-5);
- -webkit-user-select: none;
- text-align: end;
-}
-
-paper-icon-button {
- -webkit-margin-end: 12px;
-}
-
-viewer-toolbar-dropdown {
- -webkit-margin-end: 4px;
-}
-
-paper-progress {
- --paper-progress-active-color: var(--google-blue-300);
- --paper-progress-container-color: transparent;
- --paper-progress-height: 3px;
- transition: opacity 150ms;
- width: 100%;
-}
-
-paper-toolbar {
- --paper-toolbar-background: rgb(50, 54, 57);
- --paper-toolbar-height: 48px;
- @apply(--shadow-elevation-2dp);
- color: rgb(241, 241, 241);
- font-size: 1.5em;
-}
-
-.invisible {
- visibility: hidden;
-}
-
-@media(max-width: 675px) {
- #bookmarks,
- #rotate-left {
- display: none;
- }
-
- #pageselector-container {
- flex: 2;
- }
-}
-
-@media(max-width: 450px) {
- #rotate-right {
- display: none;
- }
-}
-
-@media(max-width: 400px) {
- #buttons,
- #pageselector-container {
- display: none;
- }
-}
+++ /dev/null
-<link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/animations/slide-up-animation.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/animations/transform-animation.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animation-runner-behavior.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-progress/paper-progress.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-toolbar/paper-toolbar.html">
-<link rel="import" href="chrome://resources/cr_elements/icons.html">
-<link rel="import" href="../icons.html">
-<link rel="import" href="../viewer-bookmarks-content/viewer-bookmarks-content.html">
-<link rel="import" href="../viewer-page-selector/viewer-page-selector.html">
-<link rel="import" href="../viewer-toolbar-dropdown/viewer-toolbar-dropdown.html">
-
-<dom-module id="viewer-pdf-toolbar">
- <link rel="import" type="css" href="../shared-icon-style.css">
- <link rel="import" type="css" href="viewer-pdf-toolbar.css">
- <template>
-
- <paper-toolbar>
- <div id="aligner" class="middle">
- <span id="title" title="{{docTitle}}">
- <span>{{docTitle}}</span>
- </span>
-
- <div id="pageselector-container">
- <viewer-page-selector id="pageselector" class="invisible"
- doc-length="{{docLength}}" page-no="{{pageNo}}"
- strings="{{strings}}">
- </viewer-page-selector>
- </div>
-
- <div id="buttons" class="invisible">
- <paper-icon-button id="rotate-right" icon="pdf:rotate-right"
- on-click="rotateRight"
- aria-label$="{{strings.tooltipRotateCW}}"
- title$="{{strings.tooltipRotateCW}}">
- </paper-icon-button>
-
- <paper-icon-button id="download" icon="cr:file-download"
- on-click="download"
- aria-label$="{{strings.tooltipDownload}}"
- title$="{{strings.tooltipDownload}}">
- </paper-icon-button>
-
- <paper-icon-button id="print" icon="cr:print"
- on-click="print"
- aria-label$="{{strings.tooltipPrint}}"
- title$="{{strings.tooltipPrint}}">
- </paper-icon-button>
-
- <viewer-toolbar-dropdown id="bookmarks"
- hidden$="[[!bookmarks.length]]"
- open-icon="pdf:bookmark"
- closed-icon="pdf:bookmark-border"
- header="{{strings.bookmarks}}">
- <viewer-bookmarks-content bookmarks="{{bookmarks}}">
- </viewer-bookmarks-content>
- </viewer-toolbar-dropdown>
- </div>
- </div>
- <div class="bottom fit">
- <paper-progress id="progress" value="{{loadProgress}}"></paper-progress>
- </div>
- </paper-toolbar>
- </template>
-</dom-module>
-<script src="viewer-pdf-toolbar.js"></script>
+++ /dev/null
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-(function() {
- Polymer({
- is: 'viewer-pdf-toolbar',
-
- behaviors: [
- Polymer.NeonAnimationRunnerBehavior
- ],
-
- properties: {
- /**
- * The current loading progress of the PDF document (0 - 100).
- */
- loadProgress: {
- type: Number,
- observer: 'loadProgressChanged'
- },
-
- /**
- * The title of the PDF document.
- */
- docTitle: String,
-
- /**
- * The number of the page being viewed (1-based).
- */
- pageNo: Number,
-
- /**
- * Tree of PDF bookmarks (or null if the document has no bookmarks).
- */
- bookmarks: {
- type: Object,
- value: null
- },
-
- /**
- * The number of pages in the PDF document.
- */
- docLength: Number,
-
- /**
- * Whether the toolbar is opened and visible.
- */
- opened: {
- type: Boolean,
- value: true
- },
-
- strings: Object,
-
- animationConfig: {
- value: function() {
- return {
- 'entry': {
- name: 'transform-animation',
- node: this,
- transformFrom: 'translateY(-100%)',
- transformTo: 'translateY(0%)',
- timing: {
- easing: 'cubic-bezier(0, 0, 0.2, 1)',
- duration: 250
- }
- },
- 'exit': {
- name: 'slide-up-animation',
- node: this,
- timing: {
- easing: 'cubic-bezier(0.4, 0, 1, 1)',
- duration: 250
- }
- }
- };
- }
- }
- },
-
- listeners: {
- 'neon-animation-finish': '_onAnimationFinished'
- },
-
- _onAnimationFinished: function() {
- this.style.transform = this.opened ? 'none' : 'translateY(-100%)';
- },
-
- loadProgressChanged: function() {
- if (this.loadProgress >= 100) {
- this.$.pageselector.classList.toggle('invisible', false);
- this.$.buttons.classList.toggle('invisible', false);
- this.$.progress.style.opacity = 0;
- }
- },
-
- hide: function() {
- if (this.opened)
- this.toggleVisibility();
- },
-
- show: function() {
- if (!this.opened) {
- this.toggleVisibility();
- }
- },
-
- toggleVisibility: function() {
- this.opened = !this.opened;
- this.cancelAnimation();
- this.playAnimation(this.opened ? 'entry' : 'exit');
- },
-
- selectPageNumber: function() {
- this.$.pageselector.select();
- },
-
- shouldKeepOpen: function() {
- return this.$.bookmarks.dropdownOpen || this.loadProgress < 100 ||
- this.$.pageselector.isActive();
- },
-
- hideDropdowns: function() {
- if (this.$.bookmarks.dropdownOpen) {
- this.$.bookmarks.toggleDropdown();
- return true;
- }
- return false;
- },
-
- setDropdownLowerBound: function(lowerBound) {
- this.$.bookmarks.lowerBound = lowerBound;
- },
-
- rotateRight: function() {
- this.fire('rotate-right');
- },
-
- download: function() {
- this.fire('save');
- },
-
- print: function() {
- this.fire('print');
- }
- });
-})();
+++ /dev/null
-/* Copyright 2015 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-:host {
- text-align: start;
-}
-
-#container {
- position: absolute;
- /* Controls the position of the dropdown relative to the right of the screen.
- * Default is aligned with the right of the toolbar buttons.
- * TODO(tsergeant): Change the layout of the dropdown so this is not required.
- */
- right: var(--viewer-toolbar-dropdown-right-distance, 36px);
-}
-
-:host-context([dir=rtl]) #container {
- left: var(--viewer-toolbar-dropdown-right-distance, 36px);
- right: auto;
-}
-
-paper-material {
- background-color: rgb(256, 256, 256);
- border-radius: 4px;
- overflow-y: hidden;
- padding-bottom: 2px;
- width: 260px;
-}
-
-#scroll-container {
- max-height: 300px;
- overflow-y: auto;
- padding: 6px 0 4px 0;
-}
-
-#icon {
- cursor: pointer;
- display: inline-block;
-}
-
-:host([dropdown-open]) #icon {
- background-color: rgb(25, 27, 29);
- border-radius: 4px;
-}
-
-#arrow {
- -webkit-margin-start: -12px;
- -webkit-padding-end: 4px;
-}
-
-h1 {
- border-bottom: 1px solid rgb(219, 219, 219);
- color: rgb(33, 33, 33);
- font-size: 77.8%;
- font-weight: 500;
- margin: 0;
- padding: 14px 28px;
-}
+++ /dev/null
-<link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/web-animations.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-material/paper-material.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
-<link rel="import" href="chrome://resources/cr_elements/icons.html">
-
-<dom-module id="viewer-toolbar-dropdown">
- <link rel="import" type="css" href="../shared-icon-style.css">
- <link rel="import" type="css" href="viewer-toolbar-dropdown.css">
- <template>
- <div on-click="toggleDropdown" id="icon">
- <paper-icon-button id="main-icon" icon="[[dropdownIcon]]"
- aria-label$="{{header}}" title$="{{header}}">
- </paper-icon-button>
- <iron-icon icon="cr:arrow-drop-down" id="arrow"></iron-icon>
- </div>
-
- <div id="container">
- <paper-material id="dropdown" style="display: none">
- <h1>{{header}}</h1>
- <div id="scroll-container">
- <content></content>
- </div>
- </paper-material>
- </div>
- </template>
-</dom-module>
-
-<script src="viewer-toolbar-dropdown.js"></script>
+++ /dev/null
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-(function() {
- /**
- * Size of additional padding in the inner scrollable section of the dropdown.
- */
- var DROPDOWN_INNER_PADDING = 12;
-
- /** Size of vertical padding on the outer #dropdown element. */
- var DROPDOWN_OUTER_PADDING = 2;
-
- /** Minimum height of toolbar dropdowns (px). */
- var MIN_DROPDOWN_HEIGHT = 200;
-
- Polymer({
- is: 'viewer-toolbar-dropdown',
-
- properties: {
- /** String to be displayed at the top of the dropdown. */
- header: String,
-
- /** Icon to display when the dropdown is closed. */
- closedIcon: String,
-
- /** Icon to display when the dropdown is open. */
- openIcon: String,
-
- /** True if the dropdown is currently open. */
- dropdownOpen: {
- type: Boolean,
- reflectToAttribute: true,
- value: false
- },
-
- /** Toolbar icon currently being displayed. */
- dropdownIcon: {
- type: String,
- computed: 'computeIcon_(dropdownOpen, closedIcon, openIcon)'
- },
-
- /** Lowest vertical point that the dropdown should occupy (px). */
- lowerBound: {
- type: Number,
- observer: 'lowerBoundChanged_'
- },
-
- /**
- * True if the max-height CSS property for the dropdown scroll container
- * is valid. If false, the height will be updated the next time the
- * dropdown is visible.
- */
- maxHeightValid_: false,
-
- /** Current animation being played, or null if there is none. */
- animation_: Object
- },
-
- computeIcon_: function(dropdownOpen, closedIcon, openIcon) {
- return dropdownOpen ? openIcon : closedIcon;
- },
-
- lowerBoundChanged_: function() {
- this.maxHeightValid_ = false;
- if (this.dropdownOpen)
- this.updateMaxHeight();
- },
-
- toggleDropdown: function() {
- this.dropdownOpen = !this.dropdownOpen;
- if (this.dropdownOpen) {
- this.$.dropdown.style.display = 'block';
- if (!this.maxHeightValid_)
- this.updateMaxHeight();
- }
- this.cancelAnimation_();
- this.playAnimation_(this.dropdownOpen);
- },
-
- updateMaxHeight: function() {
- var scrollContainer = this.$['scroll-container'];
- var height = this.lowerBound -
- scrollContainer.getBoundingClientRect().top -
- DROPDOWN_INNER_PADDING;
- height = Math.max(height, MIN_DROPDOWN_HEIGHT);
- scrollContainer.style.maxHeight = height + 'px';
- this.maxHeightValid_ = true;
- },
-
- cancelAnimation_: function() {
- if (this._animation)
- this._animation.cancel();
- },
-
- /**
- * Start an animation on the dropdown.
- * @param {boolean} isEntry True to play entry animation, false to play
- * exit.
- * @private
- */
- playAnimation_: function(isEntry) {
- this.animation_ = isEntry ? this.animateEntry_() : this.animateExit_();
- this.animation_.onfinish = function() {
- this.animation_ = null;
- if (!this.dropdownOpen)
- this.$.dropdown.style.display = 'none';
- }.bind(this);
- },
-
- animateEntry_: function() {
- var maxHeight = this.$.dropdown.getBoundingClientRect().height -
- DROPDOWN_OUTER_PADDING;
-
- if (maxHeight < 0)
- maxHeight = 0;
-
- var fade = new KeyframeEffect(this.$.dropdown, [
- {opacity: 0},
- {opacity: 1}
- ], {duration: 150, easing: 'cubic-bezier(0, 0, 0.2, 1)'});
- var slide = new KeyframeEffect(this.$.dropdown, [
- {height: '20px', transform: 'translateY(-10px)'},
- {height: maxHeight + 'px', transform: 'translateY(0)'}
- ], {duration: 250, easing: 'cubic-bezier(0, 0, 0.2, 1)'});
-
- return document.timeline.play(new GroupEffect([fade, slide]));
- },
-
- animateExit_: function() {
- return this.$.dropdown.animate([
- {transform: 'translateY(0)', opacity: 1},
- {transform: 'translateY(-5px)', opacity: 0}
- ], {duration: 100, easing: 'cubic-bezier(0.4, 0, 1, 1)'});
- }
- });
-
-})();
+++ /dev/null
-/* Copyright 2015 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-#wrapper {
- transition: transform 250ms;
- transition-timing-function: cubic-bezier(0, 0, 0.2, 1);
-}
-
-:host([closed]) #wrapper {
- /* 132px roughly flips the location of the button across the right edge of the
- * page. */
- transform: translateX(132px);
- transition-timing-function: cubic-bezier(0.4, 0, 1, 1);
-}
-
-:host-context([dir=rtl]):host([closed]) #wrapper {
- transform: translateX(-132px);
-}
-
-paper-fab {
- --paper-fab-keyboard-focus-background: var(--viewer-icon-ink-color);
- --paper-fab-mini: {
- height: 36px;
- padding: 8px;
- width: 36px;
- };
- @apply(--shadow-elevation-4dp);
- background-color: rgb(242, 242, 242);
- color: rgb(96, 96, 96);
- overflow: visible;
-}
+++ /dev/null
-<link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-fab/paper-fab.html">
-
-<dom-module id="viewer-zoom-button">
- <link rel="import" type="css" href="../shared-icon-style.css">
- <link rel="import" type="css" href="viewer-zoom-button.css">
- <template>
- <div id="wrapper">
- <paper-fab id="button" mini icon="[[visibleIcon_]]" on-click="fireClick"
- aria-label$="[[visibleTooltip_]]" title="[[visibleTooltip_]]">
- </paper-fab>
- </div>
- </template>
-</dom-module>
-<script src="viewer-zoom-button.js"></script>
+++ /dev/null
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-Polymer({
- is: 'viewer-zoom-button',
-
- properties: {
- /**
- * Icons to be displayed on the FAB. Multiple icons should be separated with
- * spaces, and will be cycled through every time the FAB is clicked.
- */
- icons: String,
-
- /**
- * Array version of the list of icons. Polymer does not allow array
- * properties to be set from HTML, so we must use a string property and
- * perform the conversion manually.
- * @private
- */
- icons_: {
- type: Array,
- value: [''],
- computed: 'computeIconsArray_(icons)'
- },
-
- tooltips: Array,
-
- closed: {
- type: Boolean,
- reflectToAttribute: true,
- value: false
- },
-
- delay: {
- type: Number,
- observer: 'delayChanged_'
- },
-
- /**
- * Index of the icon currently being displayed.
- */
- activeIndex: {
- type: Number,
- value: 0
- },
-
- /**
- * Icon currently being displayed on the FAB.
- * @private
- */
- visibleIcon_: {
- type: String,
- computed: 'computeVisibleIcon_(icons_, activeIndex)'
- },
-
- visibleTooltip_: {
- type: String,
- computed: 'computeVisibleTooltip_(tooltips, activeIndex)'
- }
- },
-
- computeIconsArray_: function(icons) {
- return icons.split(' ');
- },
-
- computeVisibleIcon_: function(icons, activeIndex) {
- return icons[activeIndex];
- },
-
- computeVisibleTooltip_: function(tooltips, activeIndex) {
- return tooltips[activeIndex];
- },
-
- delayChanged_: function() {
- this.$.wrapper.style.transitionDelay = this.delay + 'ms';
- },
-
- show: function() {
- this.closed = false;
- },
-
- hide: function() {
- this.closed = true;
- },
-
- fireClick: function() {
- // We cannot attach an on-click to the entire viewer-zoom-button, as this
- // will include clicks on the margins. Instead, proxy clicks on the FAB
- // through.
- this.fire('fabclick');
-
- this.activeIndex = (this.activeIndex + 1) % this.icons_.length;
- }
-});
+++ /dev/null
-/* Copyright 2015 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-:host {
- -webkit-user-select: none;
- bottom: 0;
- padding: 48px 0;
- position: fixed;
- right: 0;
- z-index: 3;
-}
-
-:host-context([dir=rtl]) {
- left: 0;
- right: auto;
-}
-
-#zoom-buttons {
- position: relative;
- right: 48px;
-}
-
-:host-context([dir=rtl]) #zoom-buttons {
- left: 48px;
- right: auto;
-}
-
-viewer-zoom-button {
- display: block;
-}
-
-/* A small gap between the zoom in/zoom out buttons. */
-#zoom-out-button {
- margin-top: 10px;
-}
-
-/* A larger gap between the fit button and bottom two buttons. */
-#zoom-in-button {
- margin-top: 24px;
-}
+++ /dev/null
-<link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="chrome://resources/cr_elements/icons.html">
-<link rel="import" href="../icons.html">
-<link rel="import" href="viewer-zoom-button.html">
-
-<dom-module id="viewer-zoom-toolbar">
- <link rel="import" type="css" href="viewer-zoom-toolbar.css">
- <template>
-
- <div id="zoom-buttons">
- <viewer-zoom-button id="fit-button" on-fabclick="fitToggle" delay="100"
- icons="pdf:fullscreen-exit cr:fullscreen">
- </viewer-zoom-button>
- <viewer-zoom-button id="zoom-in-button" icons="pdf:add"
- on-fabclick="zoomIn" delay="50"></viewer-zoom-button>
- <viewer-zoom-button id="zoom-out-button" icons="pdf:remove"
- on-fabclick="zoomOut" delay="0"></viewer-zoom-button>
- </div>
- </template>
-</dom-module>
-<script src="viewer-zoom-toolbar.js"></script>
+++ /dev/null
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-(function() {
-
- var FIT_TO_PAGE = 0;
- var FIT_TO_WIDTH = 1;
-
- Polymer({
- is: 'viewer-zoom-toolbar',
-
- properties: {
- strings: {
- type: Object,
- observer: 'updateTooltips_'
- },
-
- visible_: {
- type: Boolean,
- value: true
- }
- },
-
- isVisible: function() {
- return this.visible_;
- },
-
- /**
- * Change button tooltips to match any changes to localized strings.
- */
- updateTooltips_: function() {
- this.$['fit-button'].tooltips = [
- this.strings.tooltipFitToPage,
- this.strings.tooltipFitToWidth
- ];
- this.$['zoom-in-button'].tooltips = [this.strings.tooltipZoomIn];
- this.$['zoom-out-button'].tooltips = [this.strings.tooltipZoomOut];
- },
-
- fitToggle: function() {
- if (this.$['fit-button'].activeIndex == FIT_TO_WIDTH)
- this.fire('fit-to-width');
- else
- this.fire('fit-to-page');
- },
-
- zoomIn: function() {
- this.fire('zoom-in');
- },
-
- zoomOut: function() {
- this.fire('zoom-out');
- },
-
- show: function() {
- if (!this.visible_) {
- this.visible_ = true;
- this.$['fit-button'].show();
- this.$['zoom-in-button'].show();
- this.$['zoom-out-button'].show();
- }
- },
-
- hide: function() {
- if (this.visible_) {
- this.visible_ = false;
- this.$['fit-button'].hide();
- this.$['zoom-in-button'].hide();
- this.$['zoom-out-button'].hide();
- }
- },
- });
-
-})();
+++ /dev/null
-/* Copyright 2015 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-body {
- background-color: rgb(82, 86, 89);
- font-family: 'Roboto', 'Noto', sans-serif;
- margin: 0;
-}
-
-viewer-page-indicator {
- visibility: hidden;
- z-index: 2;
-}
-
-viewer-pdf-toolbar {
- position: fixed;
- width: 100%;
- z-index: 4;
-}
-
-#plugin {
- height: 100%;
- position: fixed;
- width: 100%;
- z-index: 1;
-}
-
-#sizer {
- position: absolute;
- z-index: 0;
-}
-
-@media(max-height: 250px) {
- viewer-pdf-toolbar {
- display: none;
- }
-}
-
-@media(max-height: 200px) {
- viewer-zoom-toolbar {
- display: none;
- }
-}
-
-@media(max-width: 300px) {
- viewer-zoom-toolbar {
- display: none;
- }
-}
+++ /dev/null
-<!doctype html>
-<html>
-<head>
- <base href="chrome://pdf-viewer/">
- <meta charset="utf-8">
- <link rel="import" href="elements/viewer-error-screen/viewer-error-screen.html">
- <link rel="import" href="elements/viewer-page-indicator/viewer-page-indicator.html">
- <link rel="import" href="elements/viewer-page-selector/viewer-page-selector.html">
- <link rel="import" href="elements/viewer-password-screen/viewer-password-screen.html">
- <link rel="import" href="elements/viewer-pdf-toolbar/viewer-pdf-toolbar.html">
- <link rel="import" href="elements/viewer-zoom-toolbar/viewer-zoom-toolbar.html">
-
- <link rel="stylesheet" href="chrome://resources/css/text_defaults.css">
- <link rel="stylesheet" href="chrome://resources/css/roboto.css">
- <link rel="stylesheet" href="index.css">
- <script src="chrome://resources/js/promise_resolver.js"></script>
- <script src="chrome://resources/js/cr.js"></script>
-</head>
-<body>
-
-<viewer-pdf-toolbar id="toolbar" hidden></viewer-pdf-toolbar>
-
-<div id="sizer"></div>
-<viewer-password-screen id="password-screen"></viewer-password-screen>
-
-<viewer-zoom-toolbar id="zoom-toolbar"></viewer-zoom-toolbar>
-
-<viewer-page-indicator id="page-indicator"></viewer-page-indicator>
-
-<viewer-error-screen id="error-screen"></viewer-error-screen>
-
-</body>
-<script src="toolbar_manager.js"></script>
-<script src="viewport.js"></script>
-<script src="open_pdf_params_parser.js"></script>
-<script src="navigator.js"></script>
-<script src="viewport_scroller.js"></script>
-<script src="zoom_manager.js"></script>
-<script src="pdf_scripting_api.js"></script>
-<script src="chrome://resources/js/util.js"></script>
-<script src="browser_api.js"></script>
-<script src="pdf.js"></script>
-<script src="main.js"></script>
-</html>
+++ /dev/null
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-'use strict';
-
-/**
- * Global PDFViewer object, accessible for testing.
- * @type Object
- */
-var viewer;
-
-(function() {
- /**
- * Stores any pending messages received which should be passed to the
- * PDFViewer when it is created.
- * @type Array
- */
- var pendingMessages = [];
-
- /**
- * Handles events that are received prior to the PDFViewer being created.
- * @param {Object} message A message event received.
- */
- function handleScriptingMessage(message) {
- pendingMessages.push(message);
- }
-
- /**
- * Initialize the global PDFViewer and pass any outstanding messages to it.
- * @param {Object} browserApi An object providing an API to the browser.
- */
- function initViewer(browserApi) {
- // PDFViewer will handle any messages after it is created.
- window.removeEventListener('message', handleScriptingMessage, false);
- viewer = new PDFViewer(browserApi);
- while (pendingMessages.length > 0)
- viewer.handleScriptingMessage(pendingMessages.shift());
- }
-
- /**
- * Entrypoint for starting the PDF viewer. This function obtains the browser
- * API for the PDF and constructs a PDFViewer object with it.
- */
- cr.sendWithPromise('initialize').then(function(opts) {
- // Set up an event listener to catch scripting messages which are sent prior
- // to the PDFViewer being created.
- window.addEventListener('message', handleScriptingMessage, false);
-
- createBrowserApi(opts).then(initViewer);
- });
-})()
+++ /dev/null
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-'use strict';
-
-/**
- * Creates a new Navigator for navigating to links inside or outside the PDF.
- * @param {string} originalUrl The original page URL.
- * @param {Object} viewport The viewport info of the page.
- * @param {Object} paramsParser The object for URL parsing.
- * @param {Function} navigateInCurrentTabCallback The Callback function that
- * gets called when navigation happens in the current tab.
- * @param {Function} navigateInNewTabCallback The Callback function
- * that gets called when navigation happens in the new tab.
- */
-function Navigator(originalUrl,
- viewport,
- paramsParser,
- navigateInCurrentTabCallback,
- navigateInNewTabCallback) {
- this.originalUrl_ = originalUrl;
- this.viewport_ = viewport;
- this.paramsParser_ = paramsParser;
- this.navigateInCurrentTabCallback_ = navigateInCurrentTabCallback;
- this.navigateInNewTabCallback_ = navigateInNewTabCallback;
-}
-
-/**
- * Represents options when navigating to a new url. C++ counterpart of
- * the enum is in ui/base/window_open_disposition.h. This enum represents
- * the only values that are passed from Plugin.
- * @enum {number}
- */
-Navigator.WindowOpenDisposition = {
- CURRENT_TAB: 1,
- NEW_FOREGROUND_TAB: 3,
- NEW_BACKGROUND_TAB: 4,
- NEW_WINDOW: 6,
- SAVE_TO_DISK: 7
-};
-
-Navigator.prototype = {
- /**
- * @private
- * Function to navigate to the given URL. This might involve navigating
- * within the PDF page or opening a new url (in the same tab or a new tab).
- * @param {string} url The URL to navigate to.
- * @param {number} disposition The window open disposition when
- * navigating to the new URL.
- */
- navigate: function(url, disposition) {
- if (url.length == 0)
- return;
-
- // If |urlFragment| starts with '#', then it's for the same URL with a
- // different URL fragment.
- if (url.charAt(0) == '#') {
- // if '#' is already present in |originalUrl| then remove old fragment
- // and add new url fragment.
- var hashIndex = this.originalUrl_.search('#');
- if (hashIndex != -1)
- url = this.originalUrl_.substring(0, hashIndex) + url;
- else
- url = this.originalUrl_ + url;
- }
-
- // If there's no scheme, then take a guess at the scheme.
- if (url.indexOf('://') == -1 && url.indexOf('mailto:') == -1)
- url = this.guessUrlWithoutScheme_(url);
-
- if (!this.isValidUrl_(url))
- return;
-
- switch (disposition) {
- case Navigator.WindowOpenDisposition.CURRENT_TAB:
- this.paramsParser_.getViewportFromUrlParams(
- url, this.onViewportReceived_.bind(this));
- break;
- case Navigator.WindowOpenDisposition.NEW_BACKGROUND_TAB:
- this.navigateInNewTabCallback_(url, false);
- break;
- case Navigator.WindowOpenDisposition.NEW_FOREGROUND_TAB:
- this.navigateInNewTabCallback_(url, true);
- break;
- case Navigator.WindowOpenDisposition.NEW_WINDOW:
- // TODO(jaepark): Shift + left clicking a link in PDF should open the
- // link in a new window. See http://crbug.com/628057.
- this.paramsParser_.getViewportFromUrlParams(
- url, this.onViewportReceived_.bind(this));
- break;
- case Navigator.WindowOpenDisposition.SAVE_TO_DISK:
- // TODO(jaepark): Alt + left clicking a link in PDF should
- // download the link.
- this.paramsParser_.getViewportFromUrlParams(
- url, this.onViewportReceived_.bind(this));
- break;
- default:
- break;
- }
- },
-
- /**
- * @private
- * Called when the viewport position is received.
- * @param {Object} viewportPosition Dictionary containing the viewport
- * position.
- */
- onViewportReceived_: function(viewportPosition) {
- var originalUrl = this.originalUrl_;
- var hashIndex = originalUrl.search('#');
- if (hashIndex != -1)
- originalUrl = originalUrl.substring(0, hashIndex);
-
- var newUrl = viewportPosition.url;
- hashIndex = newUrl.search('#');
- if (hashIndex != -1)
- newUrl = newUrl.substring(0, hashIndex);
-
- var pageNumber = viewportPosition.page;
- if (pageNumber != undefined && originalUrl == newUrl)
- this.viewport_.goToPage(pageNumber);
- else
- this.navigateInCurrentTabCallback_(viewportPosition.url);
- },
-
- /**
- * @private
- * Checks if the URL starts with a scheme and s not just a scheme.
- * @param {string} The input URL
- * @return {boolean} Whether the url is valid.
- */
- isValidUrl_: function(url) {
- // Make sure |url| starts with a valid scheme.
- if (url.indexOf('http://') != 0 &&
- url.indexOf('https://') != 0 &&
- url.indexOf('ftp://') != 0 &&
- url.indexOf('file://') != 0 &&
- url.indexOf('mailto:') != 0) {
- return false;
- }
-
- // Make sure |url| is not only a scheme.
- if (url == 'http://' ||
- url == 'https://' ||
- url == 'ftp://' ||
- url == 'file://' ||
- url == 'mailto:') {
- return false;
- }
-
- return true;
- },
-
- /**
- * @private
- * Attempt to figure out what a URL is when there is no scheme.
- * @param {string} The input URL
- * @return {string} The URL with a scheme or the original URL if it is not
- * possible to determine the scheme.
- */
- guessUrlWithoutScheme_: function(url) {
- // If the original URL is mailto:, that does not make sense to start with,
- // and neither does adding |url| to it.
- // If the original URL is not a valid URL, this cannot make a valid URL.
- // In both cases, just bail out.
- if (this.originalUrl_.startsWith('mailto:') ||
- !this.isValidUrl_(this.originalUrl_)) {
- return url;
- }
-
- // Check for absolute paths.
- if (url.startsWith('/')) {
- var schemeEndIndex = this.originalUrl_.indexOf('://');
- var firstSlash = this.originalUrl_.indexOf('/', schemeEndIndex + 3);
- // e.g. http://www.foo.com/bar -> http://www.foo.com
- var domain = firstSlash != -1 ?
- this.originalUrl_.substr(0, firstSlash) : this.originalUrl_;
- return domain + url;
- }
-
- // Check for obvious relative paths.
- var isRelative = false;
- if (url.startsWith('.') || url.startsWith('\\'))
- isRelative = true;
-
- // In Adobe Acrobat Reader XI, it looks as though links with less than
- // 2 dot separators in the domain are considered relative links, and
- // those with 2 of more are considered http URLs. e.g.
- //
- // www.foo.com/bar -> http
- // foo.com/bar -> relative link
- if (!isRelative) {
- var domainSeparatorIndex = url.indexOf('/');
- var domainName = domainSeparatorIndex == -1 ?
- url : url.substr(0, domainSeparatorIndex);
- var domainDotCount = (domainName.match(/\./g) || []).length;
- if (domainDotCount < 2)
- isRelative = true;
- }
-
- if (isRelative) {
- var slashIndex = this.originalUrl_.lastIndexOf('/');
- var path = slashIndex != -1 ?
- this.originalUrl_.substr(0, slashIndex) : this.originalUrl_;
- return path + '/' + url;
- }
-
- return 'http://' + url;
- }
-};
+++ /dev/null
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-'use strict';
-
-/**
- * Creates a new OpenPDFParamsParser. This parses the open pdf parameters
- * passed in the url to set initial viewport settings for opening the pdf.
- * @param {Object} getNamedDestinationsFunction The function called to fetch
- * the page number for a named destination.
- */
-function OpenPDFParamsParser(getNamedDestinationsFunction) {
- this.outstandingRequests_ = [];
- this.getNamedDestinationsFunction_ = getNamedDestinationsFunction;
-}
-
-OpenPDFParamsParser.prototype = {
- /**
- * @private
- * Parse zoom parameter of open PDF parameters. If this
- * parameter is passed while opening PDF then PDF should be opened
- * at the specified zoom level.
- * @param {number} zoom value.
- * @param {Object} viewportPosition to store zoom and position value.
- */
- parseZoomParam_: function(paramValue, viewportPosition) {
- var paramValueSplit = paramValue.split(',');
- if ((paramValueSplit.length != 1) && (paramValueSplit.length != 3))
- return;
-
- // User scale of 100 means zoom value of 100% i.e. zoom factor of 1.0.
- var zoomFactor = parseFloat(paramValueSplit[0]) / 100;
- if (isNaN(zoomFactor))
- return;
-
- // Handle #zoom=scale.
- if (paramValueSplit.length == 1) {
- viewportPosition['zoom'] = zoomFactor;
- return;
- }
-
- // Handle #zoom=scale,left,top.
- var position = {x: parseFloat(paramValueSplit[1]),
- y: parseFloat(paramValueSplit[2])};
- viewportPosition['position'] = position;
- viewportPosition['zoom'] = zoomFactor;
- },
-
- /**
- * Parse the parameters encoded in the fragment of a URL into a dictionary.
- * @private
- * @param {string} url to parse
- * @return {Object} Key-value pairs of URL parameters
- */
- parseUrlParams_: function(url) {
- var params = {};
-
- var paramIndex = url.search('#');
- if (paramIndex == -1)
- return params;
-
- var paramTokens = url.substring(paramIndex + 1).split('&');
- if ((paramTokens.length == 1) && (paramTokens[0].search('=') == -1)) {
- // Handle the case of http://foo.com/bar#NAMEDDEST. This is not
- // explicitly mentioned except by example in the Adobe
- // "PDF Open Parameters" document.
- params['nameddest'] = paramTokens[0];
- return params;
- }
-
- for (var i = 0; i < paramTokens.length; ++i) {
- var keyValueSplit = paramTokens[i].split('=');
- if (keyValueSplit.length != 2)
- continue;
- params[keyValueSplit[0]] = keyValueSplit[1];
- }
-
- return params;
- },
-
- /**
- * Parse PDF url parameters used for controlling the state of UI. These need
- * to be available when the UI is being initialized, rather than when the PDF
- * is finished loading.
- * @param {string} url that needs to be parsed.
- * @return {Object} parsed url parameters.
- */
- getUiUrlParams: function(url) {
- var params = this.parseUrlParams_(url);
- var uiParams = {toolbar: true};
-
- if ('toolbar' in params && params['toolbar'] == 0)
- uiParams.toolbar = false;
-
- return uiParams;
- },
-
- /**
- * Parse PDF url parameters. These parameters are mentioned in the url
- * and specify actions to be performed when opening pdf files.
- * See http://www.adobe.com/content/dam/Adobe/en/devnet/acrobat/
- * pdfs/pdf_open_parameters.pdf for details.
- * @param {string} url that needs to be parsed.
- * @param {Function} callback function to be called with viewport info.
- */
- getViewportFromUrlParams: function(url, callback) {
- var viewportPosition = {};
- viewportPosition['url'] = url;
-
- var paramsDictionary = this.parseUrlParams_(url);
-
- if ('page' in paramsDictionary) {
- // |pageNumber| is 1-based, but goToPage() take a zero-based page number.
- var pageNumber = parseInt(paramsDictionary['page']);
- if (!isNaN(pageNumber) && pageNumber > 0)
- viewportPosition['page'] = pageNumber - 1;
- }
-
- if ('zoom' in paramsDictionary)
- this.parseZoomParam_(paramsDictionary['zoom'], viewportPosition);
-
- if (viewportPosition.page === undefined &&
- 'nameddest' in paramsDictionary) {
- this.outstandingRequests_.push({
- callback: callback,
- viewportPosition: viewportPosition
- });
- this.getNamedDestinationsFunction_(paramsDictionary['nameddest']);
- } else {
- callback(viewportPosition);
- }
- },
-
- /**
- * This is called when a named destination is received and the page number
- * corresponding to the request for which a named destination is passed.
- * @param {number} pageNumber The page corresponding to the named destination
- * requested.
- */
- onNamedDestinationReceived: function(pageNumber) {
- var outstandingRequest = this.outstandingRequests_.shift();
- if (pageNumber != -1)
- outstandingRequest.viewportPosition.page = pageNumber;
- outstandingRequest.callback(outstandingRequest.viewportPosition);
- },
-};
+++ /dev/null
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-'use strict';
-
-/**
- * @return {number} Width of a scrollbar in pixels
- */
-function getScrollbarWidth() {
- var div = document.createElement('div');
- div.style.visibility = 'hidden';
- div.style.overflow = 'scroll';
- div.style.width = '50px';
- div.style.height = '50px';
- div.style.position = 'absolute';
- document.body.appendChild(div);
- var result = div.offsetWidth - div.clientWidth;
- div.parentNode.removeChild(div);
- return result;
-}
-
-/**
- * Return the filename component of a URL, percent decoded if possible.
- * @param {string} url The URL to get the filename from.
- * @return {string} The filename component.
- */
-function getFilenameFromURL(url) {
- // Ignore the query and fragment.
- var mainUrl = url.split(/#|\?/)[0];
- var components = mainUrl.split(/\/|\\/);
- var filename = components[components.length - 1];
- try {
- return decodeURIComponent(filename);
- } catch (e) {
- if (e instanceof URIError)
- return filename;
- throw e;
- }
-}
-
-/**
- * Called when navigation happens in the current tab.
- * @param {string} url The url to be opened in the current tab.
- */
-function onNavigateInCurrentTab(url) {
- window.location.href = url;
-}
-
-/**
- * Called when navigation happens in the new tab.
- * @param {string} url The url to be opened in the new tab.
- */
-function onNavigateInNewTab(url) {
- window.open(url);
-}
-
-/**
- * Whether keydown events should currently be ignored. Events are ignored when
- * an editable element has focus, to allow for proper editing controls.
- * @param {HTMLElement} activeElement The currently selected DOM node.
- * @return {boolean} True if keydown events should be ignored.
- */
-function shouldIgnoreKeyEvents(activeElement) {
- while (activeElement.shadowRoot != null &&
- activeElement.shadowRoot.activeElement != null) {
- activeElement = activeElement.shadowRoot.activeElement;
- }
-
- return (activeElement.isContentEditable ||
- activeElement.tagName == 'INPUT' ||
- activeElement.tagName == 'TEXTAREA');
-}
-
-/**
- * The minimum number of pixels to offset the toolbar by from the bottom and
- * right side of the screen.
- */
-PDFViewer.MIN_TOOLBAR_OFFSET = 15;
-
-/**
- * The height of the toolbar along the top of the page. The document will be
- * shifted down by this much in the viewport.
- */
-PDFViewer.MATERIAL_TOOLBAR_HEIGHT = 56;
-
-/**
- * Minimum height for the material toolbar to show (px). Should match the media
- * query in index-material.css. If the window is smaller than this at load,
- * leave no space for the toolbar.
- */
-PDFViewer.TOOLBAR_WINDOW_MIN_HEIGHT = 250;
-
-/**
- * The light-gray background color used for print preview.
- */
-PDFViewer.LIGHT_BACKGROUND_COLOR = '0xFFCCCCCC';
-
-/**
- * The dark-gray background color used for the regular viewer.
- */
-PDFViewer.DARK_BACKGROUND_COLOR = '0xFF525659';
-
-/**
- * Creates a new PDFViewer. There should only be one of these objects per
- * document.
- * @constructor
- * @param {!BrowserApi} browserApi An object providing an API to the browser.
- */
-function PDFViewer(browserApi) {
- this.browserApi_ = browserApi;
- this.originalUrl_ = this.browserApi_.getStreamInfo().originalUrl;
- this.loadState_ = LoadState.LOADING;
- this.parentWindow_ = null;
- this.parentOrigin_ = null;
- this.isFormFieldFocused_ = false;
-
- this.delayedScriptingMessages_ = [];
-
- this.isPrintPreview_ = this.originalUrl_.indexOf('chrome://print') == 0;
-
- // Parse open pdf parameters.
- this.paramsParser_ =
- new OpenPDFParamsParser(this.getNamedDestination_.bind(this));
- var toolbarEnabled =
- this.paramsParser_.getUiUrlParams(this.originalUrl_).toolbar &&
- !this.isPrintPreview_;
-
- // The sizer element is placed behind the plugin element to cause scrollbars
- // to be displayed in the window. It is sized according to the document size
- // of the pdf and zoom level.
- this.sizer_ = $('sizer');
- if (this.isPrintPreview_)
- this.pageIndicator_ = $('page-indicator');
- this.passwordScreen_ = $('password-screen');
- this.passwordScreen_.addEventListener('password-submitted',
- this.onPasswordSubmitted_.bind(this));
- this.errorScreen_ = $('error-screen');
- // Can only reload if we are in a normal tab.
- if (!this.browserApi_.getStreamInfo().embedded) {
- this.errorScreen_.reloadFn = function() {
- chrome.send('reload');
- };
- }
-
- // Create the viewport.
- var shortWindow = window.innerHeight < PDFViewer.TOOLBAR_WINDOW_MIN_HEIGHT;
- var topToolbarHeight =
- (toolbarEnabled) ? PDFViewer.MATERIAL_TOOLBAR_HEIGHT : 0;
- this.viewport_ = new Viewport(window,
- this.sizer_,
- this.viewportChanged_.bind(this),
- this.beforeZoom_.bind(this),
- this.afterZoom_.bind(this),
- getScrollbarWidth(),
- this.browserApi_.getDefaultZoom(),
- topToolbarHeight);
-
- // Create the plugin object dynamically so we can set its src. The plugin
- // element is sized to fill the entire window and is set to be fixed
- // positioning, acting as a viewport. The plugin renders into this viewport
- // according to the scroll position of the window.
- this.plugin_ = document.createElement('embed');
- // NOTE: The plugin's 'id' field must be set to 'plugin' since
- // chrome/renderer/printing/print_web_view_helper.cc actually references it.
- this.plugin_.id = 'plugin';
- this.plugin_.type = 'application/x-google-chrome-pdf';
- this.plugin_.addEventListener('message', this.handlePluginMessage_.bind(this),
- false);
-
- // Handle scripting messages from outside the extension that wish to interact
- // with it. We also send a message indicating that extension has loaded and
- // is ready to receive messages.
- window.addEventListener('message', this.handleScriptingMessage.bind(this),
- false);
-
- this.plugin_.setAttribute('src', this.originalUrl_);
- this.plugin_.setAttribute('stream-url',
- this.browserApi_.getStreamInfo().streamUrl);
- var headers = '';
- for (var header in this.browserApi_.getStreamInfo().responseHeaders) {
- headers += header + ': ' +
- this.browserApi_.getStreamInfo().responseHeaders[header] + '\n';
- }
- this.plugin_.setAttribute('headers', headers);
-
- var backgroundColor = PDFViewer.DARK_BACKGROUND_COLOR;
- this.plugin_.setAttribute('background-color', backgroundColor);
- this.plugin_.setAttribute('top-toolbar-height', topToolbarHeight);
-
- if (!this.browserApi_.getStreamInfo().embedded)
- this.plugin_.setAttribute('full-frame', '');
- this.sizer_.appendChild(this.plugin_);
-
- // Setup the button event listeners.
- this.zoomToolbar_ = $('zoom-toolbar');
- this.zoomToolbar_.addEventListener('fit-to-width',
- this.viewport_.fitToWidth.bind(this.viewport_));
- this.zoomToolbar_.addEventListener('fit-to-page',
- this.fitToPage_.bind(this));
- this.zoomToolbar_.addEventListener('zoom-in',
- this.viewport_.zoomIn.bind(this.viewport_));
- this.zoomToolbar_.addEventListener('zoom-out',
- this.viewport_.zoomOut.bind(this.viewport_));
-
- if (toolbarEnabled) {
- this.toolbar_ = $('toolbar');
- this.toolbar_.hidden = false;
- this.toolbar_.addEventListener('save', this.save_.bind(this));
- this.toolbar_.addEventListener('print', this.print_.bind(this));
- this.toolbar_.addEventListener('rotate-right',
- this.rotateClockwise_.bind(this));
- // Must attach to mouseup on the plugin element, since it eats mousedown
- // and click events.
- this.plugin_.addEventListener('mouseup',
- this.toolbar_.hideDropdowns.bind(this.toolbar_));
-
- this.toolbar_.docTitle = getFilenameFromURL(this.originalUrl_);
- }
-
- document.body.addEventListener('change-page', function(e) {
- this.viewport_.goToPage(e.detail.page);
- }.bind(this));
-
- document.body.addEventListener('navigate', function(e) {
- var disposition =
- e.detail.newtab ? Navigator.WindowOpenDisposition.NEW_BACKGROUND_TAB :
- Navigator.WindowOpenDisposition.CURRENT_TAB;
- this.navigator_.navigate(e.detail.uri, disposition);
- }.bind(this));
-
- this.toolbarManager_ =
- new ToolbarManager(window, this.toolbar_, this.zoomToolbar_);
-
- // Set up the ZoomManager.
- this.zoomManager_ = new ZoomManager(
- this.viewport_, this.browserApi_.setZoom.bind(this.browserApi_),
- this.browserApi_.getInitialZoom());
- this.browserApi_.addZoomEventListener(
- this.zoomManager_.onBrowserZoomChange.bind(this.zoomManager_));
-
- // Setup the keyboard event listener.
- document.addEventListener('keydown', this.handleKeyEvent_.bind(this));
- document.addEventListener('mousemove', this.handleMouseEvent_.bind(this));
- document.addEventListener('mouseout', this.handleMouseEvent_.bind(this));
-
- this.navigator_ = new Navigator(this.originalUrl_,
- this.viewport_, this.paramsParser_,
- onNavigateInCurrentTab,
- onNavigateInNewTab);
- this.viewportScroller_ =
- new ViewportScroller(this.viewport_, this.plugin_, window);
-
- // Request translated strings.
- //chrome.resourcesPrivate.getStrings('pdf', this.handleStrings_.bind(this));
-}
-
-PDFViewer.prototype = {
- /**
- * @private
- * Handle key events. These may come from the user directly or via the
- * scripting API.
- * @param {KeyboardEvent} e the event to handle.
- */
- handleKeyEvent_: function(e) {
- var position = this.viewport_.position;
- // Certain scroll events may be sent from outside of the extension.
- var fromScriptingAPI = e.fromScriptingAPI;
-
- if (shouldIgnoreKeyEvents(document.activeElement) || e.defaultPrevented)
- return;
-
- this.toolbarManager_.hideToolbarsAfterTimeout(e);
-
- var pageUpHandler = function() {
- // Go to the previous page if we are fit-to-page.
- if (this.viewport_.fittingType == Viewport.FittingType.FIT_TO_PAGE) {
- this.viewport_.goToPage(this.viewport_.getMostVisiblePage() - 1);
- // Since we do the movement of the page.
- e.preventDefault();
- } else if (fromScriptingAPI) {
- position.y -= this.viewport.size.height;
- this.viewport.position = position;
- }
- }.bind(this);
- var pageDownHandler = function() {
- // Go to the next page if we are fit-to-page.
- if (this.viewport_.fittingType == Viewport.FittingType.FIT_TO_PAGE) {
- this.viewport_.goToPage(this.viewport_.getMostVisiblePage() + 1);
- // Since we do the movement of the page.
- e.preventDefault();
- } else if (fromScriptingAPI) {
- position.y += this.viewport.size.height;
- this.viewport.position = position;
- }
- }.bind(this);
-
- switch (e.keyCode) {
- case 9: // Tab key.
- this.toolbarManager_.showToolbarsForKeyboardNavigation();
- return;
- case 27: // Escape key.
- if (!this.isPrintPreview_) {
- this.toolbarManager_.hideSingleToolbarLayer();
- return;
- }
- break; // Ensure escape falls through to the print-preview handler.
- case 32: // Space key.
- if (e.shiftKey)
- pageUpHandler();
- else
- pageDownHandler();
- return;
- case 33: // Page up key.
- pageUpHandler();
- return;
- case 34: // Page down key.
- pageDownHandler();
- return;
- case 37: // Left arrow key.
- if (!(e.altKey || e.ctrlKey || e.metaKey || e.shiftKey)) {
- // Go to the previous page if there are no horizontal scrollbars and
- // no form field is focused.
- if (!(this.viewport_.documentHasScrollbars().horizontal ||
- this.isFormFieldFocused_)) {
- this.viewport_.goToPage(this.viewport_.getMostVisiblePage() - 1);
- // Since we do the movement of the page.
- e.preventDefault();
- } else if (fromScriptingAPI) {
- position.x -= Viewport.SCROLL_INCREMENT;
- this.viewport.position = position;
- }
- }
- return;
- case 38: // Up arrow key.
- if (fromScriptingAPI) {
- position.y -= Viewport.SCROLL_INCREMENT;
- this.viewport.position = position;
- }
- return;
- case 39: // Right arrow key.
- if (!(e.altKey || e.ctrlKey || e.metaKey || e.shiftKey)) {
- // Go to the next page if there are no horizontal scrollbars and no
- // form field is focused.
- if (!(this.viewport_.documentHasScrollbars().horizontal ||
- this.isFormFieldFocused_)) {
- this.viewport_.goToPage(this.viewport_.getMostVisiblePage() + 1);
- // Since we do the movement of the page.
- e.preventDefault();
- } else if (fromScriptingAPI) {
- position.x += Viewport.SCROLL_INCREMENT;
- this.viewport.position = position;
- }
- }
- return;
- case 40: // Down arrow key.
- if (fromScriptingAPI) {
- position.y += Viewport.SCROLL_INCREMENT;
- this.viewport.position = position;
- }
- return;
- case 65: // a key.
- if (e.ctrlKey || e.metaKey) {
- this.plugin_.postMessage({
- type: 'selectAll'
- });
- // Since we do selection ourselves.
- e.preventDefault();
- }
- return;
- case 71: // g key.
- if (this.toolbar_ && (e.ctrlKey || e.metaKey) && e.altKey) {
- this.toolbarManager_.showToolbars();
- this.toolbar_.selectPageNumber();
- }
- return;
- case 219: // left bracket.
- if (e.ctrlKey)
- this.rotateCounterClockwise_();
- return;
- case 221: // right bracket.
- if (e.ctrlKey)
- this.rotateClockwise_();
- return;
- }
-
- // Give print preview a chance to handle the key event.
- if (!fromScriptingAPI && this.isPrintPreview_) {
- this.sendScriptingMessage_({
- type: 'sendKeyEvent',
- keyEvent: SerializeKeyEvent(e)
- });
- } else {
- // Show toolbars as a fallback.
- if (!(e.shiftKey || e.ctrlKey || e.altKey))
- this.toolbarManager_.showToolbars();
- }
- },
-
- handleMouseEvent_: function(e) {
- if (e.type == 'mousemove')
- this.toolbarManager_.handleMouseMove(e);
- else if (e.type == 'mouseout')
- this.toolbarManager_.hideToolbarsForMouseOut();
- },
-
- /**
- * @private
- * Rotate the plugin clockwise.
- */
- rotateClockwise_: function() {
- this.plugin_.postMessage({
- type: 'rotateClockwise'
- });
- },
-
- /**
- * @private
- * Rotate the plugin counter-clockwise.
- */
- rotateCounterClockwise_: function() {
- this.plugin_.postMessage({
- type: 'rotateCounterclockwise'
- });
- },
-
- fitToPage_: function() {
- this.viewport_.fitToPage();
- this.toolbarManager_.forceHideTopToolbar();
- },
-
- /**
- * @private
- * Notify the plugin to print.
- */
- print_: function() {
- this.plugin_.postMessage({
- type: 'print'
- });
- },
-
- /**
- * @private
- * Notify the plugin to save.
- */
- save_: function() {
- this.plugin_.postMessage({
- type: 'save'
- });
- },
-
- /**
- * Fetches the page number corresponding to the given named destination from
- * the plugin.
- * @param {string} name The namedDestination to fetch page number from plugin.
- */
- getNamedDestination_: function(name) {
- this.plugin_.postMessage({
- type: 'getNamedDestination',
- namedDestination: name
- });
- },
-
- /**
- * @private
- * Sends a 'documentLoaded' message to the PDFScriptingAPI if the document has
- * finished loading.
- */
- sendDocumentLoadedMessage_: function() {
- if (this.loadState_ == LoadState.LOADING)
- return;
- this.sendScriptingMessage_({
- type: 'documentLoaded',
- load_state: this.loadState_
- });
- },
-
- /**
- * @private
- * Handle open pdf parameters. This function updates the viewport as per
- * the parameters mentioned in the url while opening pdf. The order is
- * important as later actions can override the effects of previous actions.
- * @param {Object} viewportPosition The initial position of the viewport to be
- * displayed.
- */
- handleURLParams_: function(viewportPosition) {
- if (viewportPosition.page != undefined)
- this.viewport_.goToPage(viewportPosition.page);
- if (viewportPosition.position) {
- // Make sure we don't cancel effect of page parameter.
- this.viewport_.position = {
- x: this.viewport_.position.x + viewportPosition.position.x,
- y: this.viewport_.position.y + viewportPosition.position.y
- };
- }
- if (viewportPosition.zoom)
- this.viewport_.setZoom(viewportPosition.zoom);
- },
-
- /**
- * @private
- * Update the loading progress of the document in response to a progress
- * message being received from the plugin.
- * @param {number} progress the progress as a percentage.
- */
- updateProgress_: function(progress) {
- if (this.toolbar_)
- this.toolbar_.loadProgress = progress;
-
- if (progress == -1) {
- // Document load failed.
- this.errorScreen_.show();
- this.sizer_.style.display = 'none';
- if (this.passwordScreen_.active) {
- this.passwordScreen_.deny();
- this.passwordScreen_.active = false;
- }
- this.loadState_ = LoadState.FAILED;
- this.sendDocumentLoadedMessage_();
- } else if (progress == 100) {
- // Document load complete.
- if (this.lastViewportPosition_)
- this.viewport_.position = this.lastViewportPosition_;
- this.paramsParser_.getViewportFromUrlParams(
- this.originalUrl_,
- this.handleURLParams_.bind(this));
- this.loadState_ = LoadState.SUCCESS;
- this.sendDocumentLoadedMessage_();
- while (this.delayedScriptingMessages_.length > 0)
- this.handleScriptingMessage(this.delayedScriptingMessages_.shift());
-
- this.toolbarManager_.hideToolbarsAfterTimeout();
- }
- },
-
- /**
- * @private
- * Load a dictionary of translated strings into the UI. Used as a callback for
- * chrome.resourcesPrivate.
- * @param {Object} strings Dictionary of translated strings
- */
- handleStrings_: function(strings) {
- document.documentElement.dir = strings.textdirection;
- document.documentElement.lang = strings.language;
-
- $('toolbar').strings = strings;
- $('zoom-toolbar').strings = strings;
- $('password-screen').strings = strings;
- $('error-screen').strings = strings;
- },
-
- /**
- * @private
- * An event handler for handling password-submitted events. These are fired
- * when an event is entered into the password screen.
- * @param {Object} event a password-submitted event.
- */
- onPasswordSubmitted_: function(event) {
- this.plugin_.postMessage({
- type: 'getPasswordComplete',
- password: event.detail.password
- });
- },
-
- /**
- * @private
- * An event handler for handling message events received from the plugin.
- * @param {MessageObject} message a message event.
- */
- handlePluginMessage_: function(message) {
- switch (message.data.type.toString()) {
- case 'documentDimensions':
- this.documentDimensions_ = message.data;
- this.viewport_.setDocumentDimensions(this.documentDimensions_);
- // If we received the document dimensions, the password was good so we
- // can dismiss the password screen.
- if (this.passwordScreen_.active)
- this.passwordScreen_.accept();
-
- if (this.pageIndicator_)
- this.pageIndicator_.initialFadeIn();
-
- if (this.toolbar_) {
- this.toolbar_.docLength =
- this.documentDimensions_.pageDimensions.length;
- }
- break;
- case 'email':
- var href = 'mailto:' + message.data.to + '?cc=' + message.data.cc +
- '&bcc=' + message.data.bcc + '&subject=' + message.data.subject +
- '&body=' + message.data.body;
- window.location.href = href;
- break;
- case 'getPassword':
- // If the password screen isn't up, put it up. Otherwise we're
- // responding to an incorrect password so deny it.
- if (!this.passwordScreen_.active)
- this.passwordScreen_.active = true;
- else
- this.passwordScreen_.deny();
- break;
- case 'getSelectedTextReply':
- this.sendScriptingMessage_(message.data);
- break;
- case 'goToPage':
- this.viewport_.goToPage(message.data.page);
- break;
- case 'loadProgress':
- this.updateProgress_(message.data.progress);
- break;
- case 'navigate':
- // If in print preview, always open a new tab.
- if (this.isPrintPreview_) {
- this.navigator_.navigate(
- message.data.url,
- Navigator.WindowOpenDisposition.NEW_BACKGROUND_TAB);
- } else {
- this.navigator_.navigate(message.data.url, message.data.disposition);
- }
- break;
- case 'setScrollPosition':
- var position = this.viewport_.position;
- if (message.data.x !== undefined)
- position.x = message.data.x;
- if (message.data.y !== undefined)
- position.y = message.data.y;
- this.viewport_.position = position;
- break;
- case 'cancelStreamUrl':
- //chrome.mimeHandlerPrivate.abortStream();
- break;
- case 'metadata':
- if (message.data.title) {
- document.title = message.data.title;
- } else {
- document.title = getFilenameFromURL(this.originalUrl_);
- }
- this.bookmarks_ = message.data.bookmarks;
- if (this.toolbar_) {
- this.toolbar_.docTitle = document.title;
- this.toolbar_.bookmarks = this.bookmarks;
- }
- break;
- case 'setIsSelecting':
- this.viewportScroller_.setEnableScrolling(message.data.isSelecting);
- break;
- case 'getNamedDestinationReply':
- this.paramsParser_.onNamedDestinationReceived(message.data.pageNumber);
- break;
- case 'formFocusChange':
- this.isFormFieldFocused_ = message.data.focused;
- break;
- }
- },
-
- /**
- * @private
- * A callback that's called before the zoom changes. Notify the plugin to stop
- * reacting to scroll events while zoom is taking place to avoid flickering.
- */
- beforeZoom_: function() {
- this.plugin_.postMessage({
- type: 'stopScrolling'
- });
- },
-
- /**
- * @private
- * A callback that's called after the zoom changes. Notify the plugin of the
- * zoom change and to continue reacting to scroll events.
- */
- afterZoom_: function() {
- var position = this.viewport_.position;
- var zoom = this.viewport_.zoom;
- this.plugin_.postMessage({
- type: 'viewport',
- zoom: zoom,
- xOffset: position.x,
- yOffset: position.y
- });
- this.zoomManager_.onPdfZoomChange();
- },
-
- /**
- * @private
- * A callback that's called after the viewport changes.
- */
- viewportChanged_: function() {
- if (!this.documentDimensions_)
- return;
-
- // Offset the toolbar position so that it doesn't move if scrollbars appear.
- var hasScrollbars = this.viewport_.documentHasScrollbars();
- var scrollbarWidth = this.viewport_.scrollbarWidth;
- var verticalScrollbarWidth = hasScrollbars.vertical ? scrollbarWidth : 0;
- var horizontalScrollbarWidth =
- hasScrollbars.horizontal ? scrollbarWidth : 0;
-
- // Shift the zoom toolbar to the left by half a scrollbar width. This
- // gives a compromise: if there is no scrollbar visible then the toolbar
- // will be half a scrollbar width further left than the spec but if there
- // is a scrollbar visible it will be half a scrollbar width further right
- // than the spec. In RTL layout, the zoom toolbar is on the left side, but
- // the scrollbar is still on the right, so this is not necessary.
- if (!isRTL()) {
- this.zoomToolbar_.style.right = -verticalScrollbarWidth +
- (scrollbarWidth / 2) + 'px';
- }
- // Having a horizontal scrollbar is much rarer so we don't offset the
- // toolbar from the bottom any more than what the spec says. This means
- // that when there is a scrollbar visible, it will be a full scrollbar
- // width closer to the bottom of the screen than usual, but this is ok.
- this.zoomToolbar_.style.bottom = -horizontalScrollbarWidth + 'px';
-
- // Update the page indicator.
- var visiblePage = this.viewport_.getMostVisiblePage();
-
- if (this.toolbar_)
- this.toolbar_.pageNo = visiblePage + 1;
-
- // TODO(raymes): Give pageIndicator_ the same API as toolbar_.
- if (this.pageIndicator_) {
- this.pageIndicator_.index = visiblePage;
- if (this.documentDimensions_.pageDimensions.length > 1 &&
- hasScrollbars.vertical) {
- this.pageIndicator_.style.visibility = 'visible';
- } else {
- this.pageIndicator_.style.visibility = 'hidden';
- }
- }
-
- var visiblePageDimensions = this.viewport_.getPageScreenRect(visiblePage);
- var size = this.viewport_.size;
- this.sendScriptingMessage_({
- type: 'viewport',
- pageX: visiblePageDimensions.x,
- pageY: visiblePageDimensions.y,
- pageWidth: visiblePageDimensions.width,
- viewportWidth: size.width,
- viewportHeight: size.height
- });
- },
-
- /**
- * Handle a scripting message from outside the extension (typically sent by
- * PDFScriptingAPI in a page containing the extension) to interact with the
- * plugin.
- * @param {MessageObject} message the message to handle.
- */
- handleScriptingMessage: function(message) {
- if (this.parentWindow_ != message.source) {
- this.parentWindow_ = message.source;
- this.parentOrigin_ = message.origin;
- // Ensure that we notify the embedder if the document is loaded.
- if (this.loadState_ != LoadState.LOADING)
- this.sendDocumentLoadedMessage_();
- }
-
- if (this.handlePrintPreviewScriptingMessage_(message))
- return;
-
- // Delay scripting messages from users of the scripting API until the
- // document is loaded. This simplifies use of the APIs.
- if (this.loadState_ != LoadState.SUCCESS) {
- this.delayedScriptingMessages_.push(message);
- return;
- }
-
- switch (message.data.type.toString()) {
- case 'getSelectedText':
- case 'print':
- case 'selectAll':
- this.plugin_.postMessage(message.data);
- break;
- }
- },
-
- /**
- * @private
- * Handle scripting messages specific to print preview.
- * @param {MessageObject} message the message to handle.
- * @return {boolean} true if the message was handled, false otherwise.
- */
- handlePrintPreviewScriptingMessage_: function(message) {
- if (!this.isPrintPreview_)
- return false;
-
- switch (message.data.type.toString()) {
- case 'loadPreviewPage':
- this.plugin_.postMessage(message.data);
- return true;
- case 'resetPrintPreviewMode':
- this.loadState_ = LoadState.LOADING;
- if (!this.inPrintPreviewMode_) {
- this.inPrintPreviewMode_ = true;
- this.viewport_.fitToPage();
- }
-
- // Stash the scroll location so that it can be restored when the new
- // document is loaded.
- this.lastViewportPosition_ = this.viewport_.position;
-
- // TODO(raymes): Disable these properly in the plugin.
- var printButton = $('print-button');
- if (printButton)
- printButton.parentNode.removeChild(printButton);
- var saveButton = $('save-button');
- if (saveButton)
- saveButton.parentNode.removeChild(saveButton);
-
- this.pageIndicator_.pageLabels = message.data.pageNumbers;
-
- this.plugin_.postMessage({
- type: 'resetPrintPreviewMode',
- url: message.data.url,
- grayscale: message.data.grayscale,
- // If the PDF isn't modifiable we send 0 as the page count so that no
- // blank placeholder pages get appended to the PDF.
- pageCount: (message.data.modifiable ?
- message.data.pageNumbers.length : 0)
- });
- return true;
- case 'sendKeyEvent':
- this.handleKeyEvent_(DeserializeKeyEvent(message.data.keyEvent));
- return true;
- }
-
- return false;
- },
-
- /**
- * @private
- * Send a scripting message outside the extension (typically to
- * PDFScriptingAPI in a page containing the extension).
- * @param {Object} message the message to send.
- */
- sendScriptingMessage_: function(message) {
- if (this.parentWindow_ && this.parentOrigin_) {
- var targetOrigin;
- // Only send data back to the embedder if it is from the same origin,
- // unless we're sending it to ourselves (which could happen in the case
- // of tests). We also allow documentLoaded messages through as this won't
- // leak important information.
- if (this.parentOrigin_ == window.location.origin)
- targetOrigin = this.parentOrigin_;
- else if (message.type == 'documentLoaded')
- targetOrigin = '*';
- else
- targetOrigin = this.originalUrl_;
- this.parentWindow_.postMessage(message, targetOrigin);
- }
- },
-
- /**
- * @type {Viewport} the viewport of the PDF viewer.
- */
- get viewport() {
- return this.viewport_;
- },
-
- /**
- * Each bookmark is an Object containing a:
- * - title
- * - page (optional)
- * - array of children (themselves bookmarks)
- * @type {Array} the top-level bookmarks of the PDF.
- */
- get bookmarks() {
- return this.bookmarks_;
- }
-};
+++ /dev/null
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-/**
- * Turn a dictionary received from postMessage into a key event.
- * @param {Object} dict A dictionary representing the key event.
- * @return {Event} A key event.
- */
-function DeserializeKeyEvent(dict) {
- var e = document.createEvent('Event');
- e.initEvent('keydown');
- e.keyCode = dict.keyCode;
- e.shiftKey = dict.shiftKey;
- e.ctrlKey = dict.ctrlKey;
- e.altKey = dict.altKey;
- e.metaKey = dict.metaKey;
- e.fromScriptingAPI = true;
- return e;
-}
-
-/**
- * Turn a key event into a dictionary which can be sent over postMessage.
- * @param {Event} event A key event.
- * @return {Object} A dictionary representing the key event.
- */
-function SerializeKeyEvent(event) {
- return {
- keyCode: event.keyCode,
- shiftKey: event.shiftKey,
- ctrlKey: event.ctrlKey,
- altKey: event.altKey,
- metaKey: event.metaKey
- };
-}
-
-/**
- * An enum containing a value specifying whether the PDF is currently loading,
- * has finished loading or failed to load.
- */
-var LoadState = {
- LOADING: 'loading',
- SUCCESS: 'success',
- FAILED: 'failed'
-};
-
-/**
- * Create a new PDFScriptingAPI. This provides a scripting interface to
- * the PDF viewer so that it can be customized by things like print preview.
- * @param {Window} window the window of the page containing the pdf viewer.
- * @param {Object} plugin the plugin element containing the pdf viewer.
- */
-function PDFScriptingAPI(window, plugin) {
- this.loadState_ = LoadState.LOADING;
- this.pendingScriptingMessages_ = [];
- this.setPlugin(plugin);
-
- window.addEventListener('message', function(event) {
- if (event.origin != 'chrome://pdf-viewer' &&
- event.origin != 'chrome://print') {
- console.error('Received message that was not from the extension: ' +
- event);
- return;
- }
- switch (event.data.type) {
- case 'viewport':
- if (this.viewportChangedCallback_)
- this.viewportChangedCallback_(event.data.pageX,
- event.data.pageY,
- event.data.pageWidth,
- event.data.viewportWidth,
- event.data.viewportHeight);
- break;
- case 'documentLoaded':
- this.loadState_ = event.data.load_state;
- if (this.loadCallback_)
- this.loadCallback_(this.loadState_ == LoadState.SUCCESS);
- break;
- case 'getSelectedTextReply':
- if (this.selectedTextCallback_) {
- this.selectedTextCallback_(event.data.selectedText);
- this.selectedTextCallback_ = null;
- }
- break;
- case 'sendKeyEvent':
- if (this.keyEventCallback_)
- this.keyEventCallback_(DeserializeKeyEvent(event.data.keyEvent));
- break;
- }
- }.bind(this), false);
-}
-
-PDFScriptingAPI.prototype = {
- /**
- * @private
- * Send a message to the extension. If messages try to get sent before there
- * is a plugin element set, then we queue them up and send them later (this
- * can happen in print preview).
- * @param {Object} message The message to send.
- */
- sendMessage_: function(message) {
- if (this.plugin_)
- this.plugin_.postMessage(message, '*');
- else
- this.pendingScriptingMessages_.push(message);
- },
-
- /**
- * Sets the plugin element containing the PDF viewer. The element will usually
- * be passed into the PDFScriptingAPI constructor but may also be set later.
- * @param {Object} plugin the plugin element containing the PDF viewer.
- */
- setPlugin: function(plugin) {
- this.plugin_ = plugin;
-
- if (this.plugin_) {
- // Send a message to ensure the postMessage channel is initialized which
- // allows us to receive messages.
- this.sendMessage_({
- type: 'initialize'
- });
- // Flush pending messages.
- while (this.pendingScriptingMessages_.length > 0)
- this.sendMessage_(this.pendingScriptingMessages_.shift());
- }
- },
-
- /**
- * Sets the callback which will be run when the PDF viewport changes.
- * @param {Function} callback the callback to be called.
- */
- setViewportChangedCallback: function(callback) {
- this.viewportChangedCallback_ = callback;
- },
-
- /**
- * Sets the callback which will be run when the PDF document has finished
- * loading. If the document is already loaded, it will be run immediately.
- * @param {Function} callback the callback to be called.
- */
- setLoadCallback: function(callback) {
- this.loadCallback_ = callback;
- if (this.loadState_ != LoadState.LOADING && this.loadCallback_)
- this.loadCallback_(this.loadState_ == LoadState.SUCCESS);
- },
-
- /**
- * Sets a callback that gets run when a key event is fired in the PDF viewer.
- * @param {Function} callback the callback to be called with a key event.
- */
- setKeyEventCallback: function(callback) {
- this.keyEventCallback_ = callback;
- },
-
- /**
- * Resets the PDF viewer into print preview mode.
- * @param {string} url the url of the PDF to load.
- * @param {boolean} grayscale whether or not to display the PDF in grayscale.
- * @param {Array<number>} pageNumbers an array of the page numbers.
- * @param {boolean} modifiable whether or not the document is modifiable.
- */
- resetPrintPreviewMode: function(url, grayscale, pageNumbers, modifiable) {
- this.loadState_ = LoadState.LOADING;
- this.sendMessage_({
- type: 'resetPrintPreviewMode',
- url: url,
- grayscale: grayscale,
- pageNumbers: pageNumbers,
- modifiable: modifiable
- });
- },
-
- /**
- * Load a page into the document while in print preview mode.
- * @param {string} url the url of the pdf page to load.
- * @param {number} index the index of the page to load.
- */
- loadPreviewPage: function(url, index) {
- this.sendMessage_({
- type: 'loadPreviewPage',
- url: url,
- index: index
- });
- },
-
- /**
- * Select all the text in the document. May only be called after document
- * load.
- */
- selectAll: function() {
- this.sendMessage_({
- type: 'selectAll'
- });
- },
-
- /**
- * Get the selected text in the document. The callback will be called with the
- * text that is selected. May only be called after document load.
- * @param {Function} callback a callback to be called with the selected text.
- * @return {boolean} true if the function is successful, false if there is an
- * outstanding request for selected text that has not been answered.
- */
- getSelectedText: function(callback) {
- if (this.selectedTextCallback_)
- return false;
- this.selectedTextCallback_ = callback;
- this.sendMessage_({
- type: 'getSelectedText'
- });
- return true;
- },
-
- /**
- * Print the document. May only be called after document load.
- */
- print: function() {
- this.sendMessage_({
- type: 'print'
- });
- },
-
- /**
- * Send a key event to the extension.
- * @param {Event} keyEvent the key event to send to the extension.
- */
- sendKeyEvent: function(keyEvent) {
- this.sendMessage_({
- type: 'sendKeyEvent',
- keyEvent: SerializeKeyEvent(keyEvent)
- });
- },
-};
-
-/**
- * Creates a PDF viewer with a scripting interface. This is basically 1) an
- * iframe which is navigated to the PDF viewer extension and 2) a scripting
- * interface which provides access to various features of the viewer for use
- * by print preview and accessibility.
- * @param {string} src the source URL of the PDF to load initially.
- * @return {HTMLIFrameElement} the iframe element containing the PDF viewer.
- */
-function PDFCreateOutOfProcessPlugin(src) {
- var client = new PDFScriptingAPI(window);
- var iframe = window.document.createElement('iframe');
- iframe.setAttribute('src', 'pdf_preview.html?' + src);
- // Prevent the frame from being tab-focusable.
- iframe.setAttribute('tabindex', '-1');
-
- iframe.onload = function() {
- client.setPlugin(iframe.contentWindow);
- };
-
- // Add the functions to the iframe so that they can be called directly.
- iframe.setViewportChangedCallback =
- client.setViewportChangedCallback.bind(client);
- iframe.setLoadCallback = client.setLoadCallback.bind(client);
- iframe.setKeyEventCallback = client.setKeyEventCallback.bind(client);
- iframe.resetPrintPreviewMode = client.resetPrintPreviewMode.bind(client);
- iframe.loadPreviewPage = client.loadPreviewPage.bind(client);
- iframe.sendKeyEvent = client.sendKeyEvent.bind(client);
- return iframe;
-}
+++ /dev/null
-<?xml version="1.0" encoding="UTF-8"?>
-<grit latest_public_release="0" current_release="1">
- <outputs>
- <output filename="pdf_viewer_resources.h" type="rc_header">
- <emit emit_type='prepend'></emit>
- </output>
- <output filename="pdf_viewer_resources_map.cc" type="resource_file_map_source" />
- <output filename="pdf_viewer_resources_map.h" type="resource_map_header" />
- <output filename="../../pdf_viewer_resources.pak" type="data_package" />
- </outputs>
- <release seq="1">
- <includes>
- <include name="IDR_PDF_INDEX_CSS" file="index.css" allowexternalscript="true" type="BINDATA" />
- <include name="IDR_PDF_INDEX_HTML" file="index.html" allowexternalscript="true" type="BINDATA" />
- <include name="IDR_PDF_MAIN_JS" file="main.js" type="BINDATA" />
- <include name="IDR_PDF_PDF_JS" file="pdf.js" type="BINDATA" />
- <include name="IDR_PDF_UI_MANAGER_JS" file="toolbar_manager.js" type="BINDATA" />
- <include name="IDR_PDF_VIEWPORT_JS" file="viewport.js" type="BINDATA" />
- <include name="IDR_PDF_OPEN_PDF_PARAMS_PARSER_JS" file="open_pdf_params_parser.js" type="BINDATA" />
- <include name="IDR_PDF_NAVIGATOR_JS" file="navigator.js" type="BINDATA" />
- <include name="IDR_PDF_VIEWPORT_SCROLLER_JS" file="viewport_scroller.js" type="BINDATA" />
- <include name="IDR_PDF_PDF_SCRIPTING_API_JS" file="pdf_scripting_api.js" type="BINDATA" />
- <include name="IDR_PDF_ZOOM_MANAGER_JS" file="zoom_manager.js" type="BINDATA" />
- <include name="IDR_PDF_BROWSER_API_JS" file="browser_api.js" type="BINDATA" />
-
- <include name="IDR_PDF_SHARED_ICON_STYLE_CSS" file="elements/shared-icon-style.css" type="BINDATA" />
- <include name="IDR_PDF_ICONS_HTML" file="elements/icons.html" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_BOOKMARK_CSS" file="elements/viewer-bookmark/viewer-bookmark.css" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_BOOKMARK_HTML" file="elements/viewer-bookmark/viewer-bookmark.html" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_BOOKMARK_JS" file="elements/viewer-bookmark/viewer-bookmark.js" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_BOOKMARKS_CONTENT_HTML" file="elements/viewer-bookmarks-content/viewer-bookmarks-content.html" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_BOOKMARKS_CONTENT_JS" file="elements/viewer-bookmarks-content/viewer-bookmarks-content.js" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_ERROR_SCREEN_CSS" file="elements/viewer-error-screen/viewer-error-screen.css" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_ERROR_SCREEN_HTML" file="elements/viewer-error-screen/viewer-error-screen.html" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_ERROR_SCREEN_JS" file="elements/viewer-error-screen/viewer-error-screen.js" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_PAGE_INDICATOR_CSS" file="elements/viewer-page-indicator/viewer-page-indicator.css" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_PAGE_INDICATOR_HTML" file="elements/viewer-page-indicator/viewer-page-indicator.html" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_PAGE_INDICATOR_JS" file="elements/viewer-page-indicator/viewer-page-indicator.js" type="BINDATA" flattenhtml="true" />
- <include name="IDR_PDF_VIEWER_PAGE_SELECTOR_CSS" file="elements/viewer-page-selector/viewer-page-selector.css" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_PAGE_SELECTOR_HTML" file="elements/viewer-page-selector/viewer-page-selector.html" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_PAGE_SELECTOR_JS" file="elements/viewer-page-selector/viewer-page-selector.js" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_PASSWORD_SCREEN_HTML" file="elements/viewer-password-screen/viewer-password-screen.html" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_PASSWORD_SCREEN_JS" file="elements/viewer-password-screen/viewer-password-screen.js" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_PDF_TOOLBAR_CSS" file="elements/viewer-pdf-toolbar/viewer-pdf-toolbar.css" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_PDF_TOOLBAR_HTML" file="elements/viewer-pdf-toolbar/viewer-pdf-toolbar.html" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_PDF_TOOLBAR_JS" file="elements/viewer-pdf-toolbar/viewer-pdf-toolbar.js" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_TOOLBAR_DROPDOWN_CSS" file="elements/viewer-toolbar-dropdown/viewer-toolbar-dropdown.css" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_TOOLBAR_DROPDOWN_HTML" file="elements/viewer-toolbar-dropdown/viewer-toolbar-dropdown.html" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_TOOLBAR_DROPDOWN_JS" file="elements/viewer-toolbar-dropdown/viewer-toolbar-dropdown.js" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_ZOOM_BUTTON_CSS" file="elements/viewer-zoom-toolbar/viewer-zoom-button.css" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_ZOOM_BUTTON_HTML" file="elements/viewer-zoom-toolbar/viewer-zoom-button.html" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_ZOOM_BUTTON_JS" file="elements/viewer-zoom-toolbar/viewer-zoom-button.js" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_ZOOM_SELECTOR_CSS" file="elements/viewer-zoom-toolbar/viewer-zoom-toolbar.css" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_ZOOM_SELECTOR_HTML" file="elements/viewer-zoom-toolbar/viewer-zoom-toolbar.html" type="BINDATA" />
- <include name="IDR_PDF_VIEWER_ZOOM_SELECTOR_JS" file="elements/viewer-zoom-toolbar/viewer-zoom-toolbar.js" type="BINDATA" />
- </includes>
- </release>
-</grit>
+++ /dev/null
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-'use strict';
-
-/** Idle time in ms before the UI is hidden. */
-var HIDE_TIMEOUT = 2000;
-/** Time in ms after force hide before toolbar is shown again. */
-var FORCE_HIDE_TIMEOUT = 1000;
-/**
- * Velocity required in a mousemove to reveal the UI (pixels/ms). This is
- * intended to be high enough that a fast flick of the mouse is required to
- * reach it.
- */
-var SHOW_VELOCITY = 10;
-/** Distance from the top of the screen required to reveal the toolbars. */
-var TOP_TOOLBAR_REVEAL_DISTANCE = 100;
-/** Distance from the bottom-right of the screen required to reveal toolbars. */
-var SIDE_TOOLBAR_REVEAL_DISTANCE_RIGHT = 150;
-var SIDE_TOOLBAR_REVEAL_DISTANCE_BOTTOM = 250;
-
-
-
-/**
- * @param {MouseEvent} e Event to test.
- * @return {boolean} True if the mouse is close to the top of the screen.
- */
-function isMouseNearTopToolbar(e) {
- return e.y < TOP_TOOLBAR_REVEAL_DISTANCE;
-}
-
-/**
- * @param {MouseEvent} e Event to test.
- * @param {Window} window Window to test against.
- * @return {boolean} True if the mouse is close to the bottom-right of the
- * screen.
- */
-function isMouseNearSideToolbar(e, window) {
- var atSide = e.x > window.innerWidth - SIDE_TOOLBAR_REVEAL_DISTANCE_RIGHT;
- if (isRTL())
- atSide = e.x < SIDE_TOOLBAR_REVEAL_DISTANCE_RIGHT;
- var atBottom = e.y > window.innerHeight - SIDE_TOOLBAR_REVEAL_DISTANCE_BOTTOM;
- return atSide && atBottom;
-}
-
-/**
- * Constructs a Toolbar Manager, responsible for co-ordinating between multiple
- * toolbar elements.
- * @constructor
- * @param {Object} window The window containing the UI.
- * @param {Object} toolbar The top toolbar element.
- * @param {Object} zoomToolbar The zoom toolbar element.
- */
-function ToolbarManager(window, toolbar, zoomToolbar) {
- this.window_ = window;
- this.toolbar_ = toolbar;
- this.zoomToolbar_ = zoomToolbar;
-
- this.toolbarTimeout_ = null;
- this.isMouseNearTopToolbar_ = false;
- this.isMouseNearSideToolbar_ = false;
-
- this.sideToolbarAllowedOnly_ = false;
- this.sideToolbarAllowedOnlyTimer_ = null;
-
- this.keyboardNavigationActive = false;
-
- this.lastMovementTimestamp = null;
-
- this.window_.addEventListener('resize', this.resizeDropdowns_.bind(this));
- this.resizeDropdowns_();
-}
-
-ToolbarManager.prototype = {
-
- handleMouseMove: function(e) {
- this.isMouseNearTopToolbar_ = this.toolbar_ && isMouseNearTopToolbar(e);
- this.isMouseNearSideToolbar_ = isMouseNearSideToolbar(e, this.window_);
-
- this.keyboardNavigationActive = false;
- var touchInteractionActive =
- (e.sourceCapabilities && e.sourceCapabilities.firesTouchEvents);
-
- // Allow the top toolbar to be shown if the mouse moves away from the side
- // toolbar (as long as the timeout has elapsed).
- if (!this.isMouseNearSideToolbar_ && !this.sideToolbarAllowedOnlyTimer_)
- this.sideToolbarAllowedOnly_ = false;
-
- // Allow the top toolbar to be shown if the mouse moves to the top edge.
- if (this.isMouseNearTopToolbar_)
- this.sideToolbarAllowedOnly_ = false;
-
- // Tapping the screen with toolbars open tries to close them.
- if (touchInteractionActive && this.zoomToolbar_.isVisible()) {
- this.hideToolbarsIfAllowed();
- return;
- }
-
- // Show the toolbars if the mouse is near the top or bottom-right of the
- // screen, if the mouse moved fast, or if the touchscreen was tapped.
- if (this.isMouseNearTopToolbar_ || this.isMouseNearSideToolbar_ ||
- this.isHighVelocityMouseMove_(e) || touchInteractionActive) {
- if (this.sideToolbarAllowedOnly_)
- this.zoomToolbar_.show();
- else
- this.showToolbars();
- }
- this.hideToolbarsAfterTimeout();
- },
-
- /**
- * Whether a mousemove event is high enough velocity to reveal the toolbars.
- * @param {MouseEvent} e Event to test.
- * @return {boolean} true if the event is a high velocity mousemove, false
- * otherwise.
- * @private
- */
- isHighVelocityMouseMove_: function(e) {
- if (e.type == 'mousemove') {
- if (this.lastMovementTimestamp == null) {
- this.lastMovementTimestamp = this.getCurrentTimestamp_();
- } else {
- var movement =
- Math.sqrt(e.movementX * e.movementX + e.movementY * e.movementY);
- var newTime = this.getCurrentTimestamp_();
- var interval = newTime - this.lastMovementTimestamp;
- this.lastMovementTimestamp = newTime;
-
- if (interval != 0)
- return movement / interval > SHOW_VELOCITY;
- }
- }
- return false;
- },
-
- /**
- * Wrapper around Date.now() to make it easily replaceable for testing.
- * @return {int}
- * @private
- */
- getCurrentTimestamp_: function() {
- return Date.now();
- },
-
- /**
- * Display both UI toolbars.
- */
- showToolbars: function() {
- if (this.toolbar_)
- this.toolbar_.show();
- this.zoomToolbar_.show();
- },
-
- /**
- * Show toolbars and mark that navigation is being performed with
- * tab/shift-tab. This disables toolbar hiding until the mouse is moved or
- * escape is pressed.
- */
- showToolbarsForKeyboardNavigation: function() {
- this.keyboardNavigationActive = true;
- this.showToolbars();
- },
-
- /**
- * Hide toolbars after a delay, regardless of the position of the mouse.
- * Intended to be called when the mouse has moved out of the parent window.
- */
- hideToolbarsForMouseOut: function() {
- this.isMouseNearTopToolbar_ = false;
- this.isMouseNearSideToolbar_ = false;
- this.hideToolbarsAfterTimeout();
- },
-
- /**
- * Check if the toolbars are able to be closed, and close them if they are.
- * Toolbars may be kept open based on mouse/keyboard activity and active
- * elements.
- */
- hideToolbarsIfAllowed: function() {
- if (this.isMouseNearSideToolbar_ || this.isMouseNearTopToolbar_)
- return;
-
- if (this.toolbar_ && this.toolbar_.shouldKeepOpen())
- return;
-
- if (this.keyboardNavigationActive)
- return;
-
- // Remove focus to make any visible tooltips disappear -- otherwise they'll
- // still be visible on screen when the toolbar is off screen.
- if ((this.toolbar_ && document.activeElement == this.toolbar_) ||
- document.activeElement == this.zoomToolbar_) {
- document.activeElement.blur();
- }
-
- if (this.toolbar_)
- this.toolbar_.hide();
- this.zoomToolbar_.hide();
- },
-
- /**
- * Hide the toolbar after the HIDE_TIMEOUT has elapsed.
- */
- hideToolbarsAfterTimeout: function() {
- if (this.toolbarTimeout_)
- this.window_.clearTimeout(this.toolbarTimeout_);
- this.toolbarTimeout_ = this.window_.setTimeout(
- this.hideToolbarsIfAllowed.bind(this), HIDE_TIMEOUT);
- },
-
- /**
- * Hide the 'topmost' layer of toolbars. Hides any dropdowns that are open, or
- * hides the basic toolbars otherwise.
- */
- hideSingleToolbarLayer: function() {
- if (!this.toolbar_ || !this.toolbar_.hideDropdowns()) {
- this.keyboardNavigationActive = false;
- this.hideToolbarsIfAllowed();
- }
- },
-
- /**
- * Hide the top toolbar and keep it hidden until both:
- * - The mouse is moved away from the right side of the screen
- * - 1 second has passed.
- *
- * The top toolbar can be immediately re-opened by moving the mouse to the top
- * of the screen.
- */
- forceHideTopToolbar: function() {
- if (!this.toolbar_)
- return;
- this.toolbar_.hide();
- this.sideToolbarAllowedOnly_ = true;
- this.sideToolbarAllowedOnlyTimer_ = this.window_.setTimeout(function() {
- this.sideToolbarAllowedOnlyTimer_ = null;
- }.bind(this), FORCE_HIDE_TIMEOUT);
- },
-
- /**
- * Updates the size of toolbar dropdowns based on the positions of the rest of
- * the UI.
- * @private
- */
- resizeDropdowns_: function() {
- if (!this.toolbar_)
- return;
- var lowerBound = this.window_.innerHeight - this.zoomToolbar_.clientHeight;
- this.toolbar_.setDropdownLowerBound(lowerBound);
- }
-};
+++ /dev/null
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-/**
- * Returns the height of the intersection of two rectangles.
- * @param {Object} rect1 the first rect
- * @param {Object} rect2 the second rect
- * @return {number} the height of the intersection of the rects
- */
-function getIntersectionHeight(rect1, rect2) {
- return Math.max(0,
- Math.min(rect1.y + rect1.height, rect2.y + rect2.height) -
- Math.max(rect1.y, rect2.y));
-}
-
-/**
- * Create a new viewport.
- * @constructor
- * @param {Window} window the window
- * @param {Object} sizer is the element which represents the size of the
- * document in the viewport
- * @param {Function} viewportChangedCallback is run when the viewport changes
- * @param {Function} beforeZoomCallback is run before a change in zoom
- * @param {Function} afterZoomCallback is run after a change in zoom
- * @param {number} scrollbarWidth the width of scrollbars on the page
- * @param {number} defaultZoom The default zoom level.
- * @param {number} topToolbarHeight The number of pixels that should initially
- * be left blank above the document for the toolbar.
- */
-function Viewport(window,
- sizer,
- viewportChangedCallback,
- beforeZoomCallback,
- afterZoomCallback,
- scrollbarWidth,
- defaultZoom,
- topToolbarHeight) {
- this.window_ = window;
- this.sizer_ = sizer;
- this.viewportChangedCallback_ = viewportChangedCallback;
- this.beforeZoomCallback_ = beforeZoomCallback;
- this.afterZoomCallback_ = afterZoomCallback;
- this.allowedToChangeZoom_ = false;
- this.zoom_ = 1;
- this.documentDimensions_ = null;
- this.pageDimensions_ = [];
- this.scrollbarWidth_ = scrollbarWidth;
- this.fittingType_ = Viewport.FittingType.NONE;
- this.defaultZoom_ = defaultZoom;
- this.topToolbarHeight_ = topToolbarHeight;
-
- window.addEventListener('scroll', this.updateViewport_.bind(this));
- window.addEventListener('resize', this.resize_.bind(this));
-}
-
-/**
- * Enumeration of page fitting types.
- * @enum {string}
- */
-Viewport.FittingType = {
- NONE: 'none',
- FIT_TO_PAGE: 'fit-to-page',
- FIT_TO_WIDTH: 'fit-to-width'
-};
-
-/**
- * The increment to scroll a page by in pixels when up/down/left/right arrow
- * keys are pressed. Usually we just let the browser handle scrolling on the
- * window when these keys are pressed but in certain cases we need to simulate
- * these events.
- */
-Viewport.SCROLL_INCREMENT = 40;
-
-/**
- * Predefined zoom factors to be used when zooming in/out. These are in
- * ascending order. This should match the lists in
- * components/ui/zoom/page_zoom_constants.h and
- * chrome/browser/resources/settings/appearance_page/appearance_page.js
- */
-Viewport.ZOOM_FACTORS = [0.25, 1 / 3, 0.5, 2 / 3, 0.75, 0.8, 0.9,
- 1, 1.1, 1.25, 1.5, 1.75, 2, 2.5, 3, 4, 5];
-
-/**
- * The minimum and maximum range to be used to clip zoom factor.
- */
-Viewport.ZOOM_FACTOR_RANGE = {
- min: Viewport.ZOOM_FACTORS[0],
- max: Viewport.ZOOM_FACTORS[Viewport.ZOOM_FACTORS.length - 1]
-};
-
-/**
- * The width of the page shadow around pages in pixels.
- */
-Viewport.PAGE_SHADOW = {top: 3, bottom: 7, left: 5, right: 5};
-
-Viewport.prototype = {
- /**
- * Returns the zoomed and rounded document dimensions for the given zoom.
- * Rounding is necessary when interacting with the renderer which tends to
- * operate in integral values (for example for determining if scrollbars
- * should be shown).
- * @param {number} zoom The zoom to use to compute the scaled dimensions.
- * @return {Object} A dictionary with scaled 'width'/'height' of the document.
- * @private
- */
- getZoomedDocumentDimensions_: function(zoom) {
- if (!this.documentDimensions_)
- return null;
- return {
- width: Math.round(this.documentDimensions_.width * zoom),
- height: Math.round(this.documentDimensions_.height * zoom)
- };
- },
-
- /**
- * @private
- * Returns true if the document needs scrollbars at the given zoom level.
- * @param {number} zoom compute whether scrollbars are needed at this zoom
- * @return {Object} with 'horizontal' and 'vertical' keys which map to bool
- * values indicating if the horizontal and vertical scrollbars are needed
- * respectively.
- */
- documentNeedsScrollbars_: function(zoom) {
- var zoomedDimensions = this.getZoomedDocumentDimensions_(zoom);
- if (!zoomedDimensions) {
- return {
- horizontal: false,
- vertical: false
- };
- }
-
- // If scrollbars are required for one direction, expand the document in the
- // other direction to take the width of the scrollbars into account when
- // deciding whether the other direction needs scrollbars.
- if (zoomedDimensions.width > this.window_.innerWidth)
- zoomedDimensions.height += this.scrollbarWidth_;
- else if (zoomedDimensions.height > this.window_.innerHeight)
- zoomedDimensions.width += this.scrollbarWidth_;
- return {
- horizontal: zoomedDimensions.width > this.window_.innerWidth,
- vertical: zoomedDimensions.height + this.topToolbarHeight_ >
- this.window_.innerHeight
- };
- },
-
- /**
- * Returns true if the document needs scrollbars at the current zoom level.
- * @return {Object} with 'x' and 'y' keys which map to bool values
- * indicating if the horizontal and vertical scrollbars are needed
- * respectively.
- */
- documentHasScrollbars: function() {
- return this.documentNeedsScrollbars_(this.zoom_);
- },
-
- /**
- * @private
- * Helper function called when the zoomed document size changes.
- */
- contentSizeChanged_: function() {
- var zoomedDimensions = this.getZoomedDocumentDimensions_(this.zoom_);
- if (zoomedDimensions) {
- this.sizer_.style.width = zoomedDimensions.width + 'px';
- this.sizer_.style.height = zoomedDimensions.height +
- this.topToolbarHeight_ + 'px';
- }
- },
-
- /**
- * @private
- * Called when the viewport should be updated.
- */
- updateViewport_: function() {
- this.viewportChangedCallback_();
- },
-
- /**
- * @private
- * Called when the viewport size changes.
- */
- resize_: function() {
- if (this.fittingType_ == Viewport.FittingType.FIT_TO_PAGE)
- this.fitToPageInternal_(false);
- else if (this.fittingType_ == Viewport.FittingType.FIT_TO_WIDTH)
- this.fitToWidth();
- else
- this.updateViewport_();
- },
-
- /**
- * @type {Object} the scroll position of the viewport.
- */
- get position() {
- return {
- x: this.window_.pageXOffset,
- y: this.window_.pageYOffset - this.topToolbarHeight_
- };
- },
-
- /**
- * Scroll the viewport to the specified position.
- * @type {Object} position the position to scroll to.
- */
- set position(position) {
- this.window_.scrollTo(position.x, position.y + this.topToolbarHeight_);
- },
-
- /**
- * @type {Object} the size of the viewport excluding scrollbars.
- */
- get size() {
- var needsScrollbars = this.documentNeedsScrollbars_(this.zoom_);
- var scrollbarWidth = needsScrollbars.vertical ? this.scrollbarWidth_ : 0;
- var scrollbarHeight = needsScrollbars.horizontal ? this.scrollbarWidth_ : 0;
- return {
- width: this.window_.innerWidth - scrollbarWidth,
- height: this.window_.innerHeight - scrollbarHeight
- };
- },
-
- /**
- * @type {number} the zoom level of the viewport.
- */
- get zoom() {
- return this.zoom_;
- },
-
- /**
- * @private
- * Used to wrap a function that might perform zooming on the viewport. This is
- * required so that we can notify the plugin that zooming is in progress
- * so that while zooming is taking place it can stop reacting to scroll events
- * from the viewport. This is to avoid flickering.
- */
- mightZoom_: function(f) {
- this.beforeZoomCallback_();
- this.allowedToChangeZoom_ = true;
- f();
- this.allowedToChangeZoom_ = false;
- this.afterZoomCallback_();
- },
-
- /**
- * @private
- * Sets the zoom of the viewport.
- * @param {number} newZoom the zoom level to zoom to.
- */
- setZoomInternal_: function(newZoom) {
- if (!this.allowedToChangeZoom_) {
- throw 'Called Viewport.setZoomInternal_ without calling ' +
- 'Viewport.mightZoom_.';
- }
- // Record the scroll position (relative to the top-left of the window).
- var currentScrollPos = {
- x: this.position.x / this.zoom_,
- y: this.position.y / this.zoom_
- };
- this.zoom_ = newZoom;
- this.contentSizeChanged_();
- // Scroll to the scaled scroll position.
- this.position = {
- x: currentScrollPos.x * newZoom,
- y: currentScrollPos.y * newZoom
- };
- },
-
- /**
- * Sets the zoom to the given zoom level.
- * @param {number} newZoom the zoom level to zoom to.
- */
- setZoom: function(newZoom) {
- this.fittingType_ = Viewport.FittingType.NONE;
- newZoom = Math.max(Viewport.ZOOM_FACTOR_RANGE.min,
- Math.min(newZoom, Viewport.ZOOM_FACTOR_RANGE.max));
- this.mightZoom_(function() {
- this.setZoomInternal_(newZoom);
- this.updateViewport_();
- }.bind(this));
- },
-
- /**
- * @type {number} the width of scrollbars in the viewport in pixels.
- */
- get scrollbarWidth() {
- return this.scrollbarWidth_;
- },
-
- /**
- * @type {Viewport.FittingType} the fitting type the viewport is currently in.
- */
- get fittingType() {
- return this.fittingType_;
- },
-
- /**
- * @private
- * @param {integer} y the y-coordinate to get the page at.
- * @return {integer} the index of a page overlapping the given y-coordinate.
- */
- getPageAtY_: function(y) {
- var min = 0;
- var max = this.pageDimensions_.length - 1;
- while (max >= min) {
- var page = Math.floor(min + ((max - min) / 2));
- // There might be a gap between the pages, in which case use the bottom
- // of the previous page as the top for finding the page.
- var top = 0;
- if (page > 0) {
- top = this.pageDimensions_[page - 1].y +
- this.pageDimensions_[page - 1].height;
- }
- var bottom = this.pageDimensions_[page].y +
- this.pageDimensions_[page].height;
-
- if (top <= y && bottom > y)
- return page;
- else if (top > y)
- max = page - 1;
- else
- min = page + 1;
- }
- return 0;
- },
-
- /**
- * Returns the page with the greatest proportion of its height in the current
- * viewport.
- * @return {int} the index of the most visible page.
- */
- getMostVisiblePage: function() {
- var firstVisiblePage = this.getPageAtY_(this.position.y / this.zoom_);
- if (firstVisiblePage == this.pageDimensions_.length - 1)
- return firstVisiblePage;
-
- var viewportRect = {
- x: this.position.x / this.zoom_,
- y: this.position.y / this.zoom_,
- width: this.size.width / this.zoom_,
- height: this.size.height / this.zoom_
- };
- var firstVisiblePageVisibility = getIntersectionHeight(
- this.pageDimensions_[firstVisiblePage], viewportRect) /
- this.pageDimensions_[firstVisiblePage].height;
- var nextPageVisibility = getIntersectionHeight(
- this.pageDimensions_[firstVisiblePage + 1], viewportRect) /
- this.pageDimensions_[firstVisiblePage + 1].height;
- if (nextPageVisibility > firstVisiblePageVisibility)
- return firstVisiblePage + 1;
- return firstVisiblePage;
- },
-
- /**
- * @private
- * Compute the zoom level for fit-to-page or fit-to-width. |pageDimensions| is
- * the dimensions for a given page and if |widthOnly| is true, it indicates
- * that fit-to-page zoom should be computed rather than fit-to-page.
- * @param {Object} pageDimensions the dimensions of a given page
- * @param {boolean} widthOnly a bool indicating whether fit-to-page or
- * fit-to-width should be computed.
- * @return {number} the zoom to use
- */
- computeFittingZoom_: function(pageDimensions, widthOnly) {
- // First compute the zoom without scrollbars.
- var zoomWidth = this.window_.innerWidth / pageDimensions.width;
- var zoom;
- var zoomHeight;
- if (widthOnly) {
- zoom = zoomWidth;
- } else {
- zoomHeight = this.window_.innerHeight / pageDimensions.height;
- zoom = Math.min(zoomWidth, zoomHeight);
- }
- // Check if there needs to be any scrollbars.
- var needsScrollbars = this.documentNeedsScrollbars_(zoom);
-
- // If the document fits, just return the zoom.
- if (!needsScrollbars.horizontal && !needsScrollbars.vertical)
- return zoom;
-
- var zoomedDimensions = this.getZoomedDocumentDimensions_(zoom);
-
- // Check if adding a scrollbar will result in needing the other scrollbar.
- var scrollbarWidth = this.scrollbarWidth_;
- if (needsScrollbars.horizontal &&
- zoomedDimensions.height > this.window_.innerHeight - scrollbarWidth) {
- needsScrollbars.vertical = true;
- }
- if (needsScrollbars.vertical &&
- zoomedDimensions.width > this.window_.innerWidth - scrollbarWidth) {
- needsScrollbars.horizontal = true;
- }
-
- // Compute available window space.
- var windowWithScrollbars = {
- width: this.window_.innerWidth,
- height: this.window_.innerHeight
- };
- if (needsScrollbars.horizontal)
- windowWithScrollbars.height -= scrollbarWidth;
- if (needsScrollbars.vertical)
- windowWithScrollbars.width -= scrollbarWidth;
-
- // Recompute the zoom.
- zoomWidth = windowWithScrollbars.width / pageDimensions.width;
- if (widthOnly) {
- zoom = zoomWidth;
- } else {
- zoomHeight = windowWithScrollbars.height / pageDimensions.height;
- zoom = Math.min(zoomWidth, zoomHeight);
- }
- return zoom;
- },
-
- /**
- * Zoom the viewport so that the page-width consumes the entire viewport.
- */
- fitToWidth: function() {
- this.mightZoom_(function() {
- this.fittingType_ = Viewport.FittingType.FIT_TO_WIDTH;
- if (!this.documentDimensions_)
- return;
- // When computing fit-to-width, the maximum width of a page in the
- // document is used, which is equal to the size of the document width.
- this.setZoomInternal_(this.computeFittingZoom_(this.documentDimensions_,
- true));
- var page = this.getMostVisiblePage();
- this.updateViewport_();
- }.bind(this));
- },
-
- /**
- * @private
- * Zoom the viewport so that a page consumes the entire viewport.
- * @param {boolean} scrollToTopOfPage Set to true if the viewport should be
- * scrolled to the top of the current page. Set to false if the viewport
- * should remain at the current scroll position.
- */
- fitToPageInternal_: function(scrollToTopOfPage) {
- this.mightZoom_(function() {
- this.fittingType_ = Viewport.FittingType.FIT_TO_PAGE;
- if (!this.documentDimensions_)
- return;
- var page = this.getMostVisiblePage();
- // Fit to the current page's height and the widest page's width.
- var dimensions = {
- width: this.documentDimensions_.width,
- height: this.pageDimensions_[page].height,
- };
- this.setZoomInternal_(this.computeFittingZoom_(dimensions, false));
- if (scrollToTopOfPage) {
- this.position = {
- x: 0,
- y: this.pageDimensions_[page].y * this.zoom_
- };
- }
- this.updateViewport_();
- }.bind(this));
- },
-
- /**
- * Zoom the viewport so that a page consumes the entire viewport. Also scrolls
- * the viewport to the top of the current page.
- */
- fitToPage: function() {
- this.fitToPageInternal_(true);
- },
-
- /**
- * Zoom out to the next predefined zoom level.
- */
- zoomOut: function() {
- this.mightZoom_(function() {
- this.fittingType_ = Viewport.FittingType.NONE;
- var nextZoom = Viewport.ZOOM_FACTORS[0];
- for (var i = 0; i < Viewport.ZOOM_FACTORS.length; i++) {
- if (Viewport.ZOOM_FACTORS[i] < this.zoom_)
- nextZoom = Viewport.ZOOM_FACTORS[i];
- }
- this.setZoomInternal_(nextZoom);
- this.updateViewport_();
- }.bind(this));
- },
-
- /**
- * Zoom in to the next predefined zoom level.
- */
- zoomIn: function() {
- this.mightZoom_(function() {
- this.fittingType_ = Viewport.FittingType.NONE;
- var nextZoom = Viewport.ZOOM_FACTORS[Viewport.ZOOM_FACTORS.length - 1];
- for (var i = Viewport.ZOOM_FACTORS.length - 1; i >= 0; i--) {
- if (Viewport.ZOOM_FACTORS[i] > this.zoom_)
- nextZoom = Viewport.ZOOM_FACTORS[i];
- }
- this.setZoomInternal_(nextZoom);
- this.updateViewport_();
- }.bind(this));
- },
-
- /**
- * Go to the given page index.
- * @param {number} page the index of the page to go to. zero-based.
- */
- goToPage: function(page) {
- this.mightZoom_(function() {
- if (this.pageDimensions_.length === 0)
- return;
- if (page < 0)
- page = 0;
- if (page >= this.pageDimensions_.length)
- page = this.pageDimensions_.length - 1;
- var dimensions = this.pageDimensions_[page];
- var toolbarOffset = 0;
- // Unless we're in fit to page mode, scroll above the page by
- // |this.topToolbarHeight_| so that the toolbar isn't covering it
- // initially.
- if (this.fittingType_ != Viewport.FittingType.FIT_TO_PAGE)
- toolbarOffset = this.topToolbarHeight_;
- this.position = {
- x: dimensions.x * this.zoom_,
- y: dimensions.y * this.zoom_ - toolbarOffset
- };
- this.updateViewport_();
- }.bind(this));
- },
-
- /**
- * Set the dimensions of the document.
- * @param {Object} documentDimensions the dimensions of the document
- */
- setDocumentDimensions: function(documentDimensions) {
- this.mightZoom_(function() {
- var initialDimensions = !this.documentDimensions_;
- this.documentDimensions_ = documentDimensions;
- this.pageDimensions_ = this.documentDimensions_.pageDimensions;
- if (initialDimensions) {
- this.setZoomInternal_(
- Math.min(this.defaultZoom_,
- this.computeFittingZoom_(this.documentDimensions_, true)));
- this.position = {
- x: 0,
- y: -this.topToolbarHeight_
- };
- }
- this.contentSizeChanged_();
- this.resize_();
- }.bind(this));
- },
-
- /**
- * Get the coordinates of the page contents (excluding the page shadow)
- * relative to the screen.
- * @param {number} page the index of the page to get the rect for.
- * @return {Object} a rect representing the page in screen coordinates.
- */
- getPageScreenRect: function(page) {
- if (!this.documentDimensions_) {
- return {
- x: 0,
- y: 0,
- width: 0,
- height: 0
- };
- }
- if (page >= this.pageDimensions_.length)
- page = this.pageDimensions_.length - 1;
-
- var pageDimensions = this.pageDimensions_[page];
-
- // Compute the page dimensions minus the shadows.
- var insetDimensions = {
- x: pageDimensions.x + Viewport.PAGE_SHADOW.left,
- y: pageDimensions.y + Viewport.PAGE_SHADOW.top,
- width: pageDimensions.width - Viewport.PAGE_SHADOW.left -
- Viewport.PAGE_SHADOW.right,
- height: pageDimensions.height - Viewport.PAGE_SHADOW.top -
- Viewport.PAGE_SHADOW.bottom
- };
-
- // Compute the x-coordinate of the page within the document.
- // TODO(raymes): This should really be set when the PDF plugin passes the
- // page coordinates, but it isn't yet.
- var x = (this.documentDimensions_.width - pageDimensions.width) / 2 +
- Viewport.PAGE_SHADOW.left;
- // Compute the space on the left of the document if the document fits
- // completely in the screen.
- var spaceOnLeft = (this.size.width -
- this.documentDimensions_.width * this.zoom_) / 2;
- spaceOnLeft = Math.max(spaceOnLeft, 0);
-
- return {
- x: x * this.zoom_ + spaceOnLeft - this.window_.pageXOffset,
- y: insetDimensions.y * this.zoom_ - this.window_.pageYOffset,
- width: insetDimensions.width * this.zoom_,
- height: insetDimensions.height * this.zoom_
- };
- }
-};
+++ /dev/null
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-'use strict';
-
-/**
- * @private
- * The period of time in milliseconds to wait between updating the viewport
- * position by the scroll velocity.
- */
-ViewportScroller.DRAG_TIMER_INTERVAL_MS_ = 100;
-
-/**
- * @private
- * The maximum drag scroll distance per DRAG_TIMER_INTERVAL in pixels.
- */
-ViewportScroller.MAX_DRAG_SCROLL_DISTANCE_ = 100;
-
-/**
- * Creates a new ViewportScroller.
- * A ViewportScroller scrolls the page in response to drag selection with the
- * mouse.
- * @param {Object} viewport The viewport info of the page.
- * @param {Object} plugin The PDF plugin element.
- * @param {Object} window The window containing the viewer.
- */
-function ViewportScroller(viewport, plugin, window) {
- this.viewport_ = viewport;
- this.plugin_ = plugin;
- this.window_ = window;
- this.mousemoveCallback_ = null;
- this.timerId_ = null;
- this.scrollVelocity_ = null;
- this.lastFrameTime_ = 0;
-}
-
-ViewportScroller.prototype = {
- /**
- * @private
- * Start scrolling the page by |scrollVelocity_| every
- * |DRAG_TIMER_INTERVAL_MS_|.
- */
- startDragScrollTimer_: function() {
- if (this.timerId_ === null) {
- this.timerId_ =
- this.window_.setInterval(this.dragScrollPage_.bind(this),
- ViewportScroller.DRAG_TIMER_INTERVAL_MS_);
- this.lastFrameTime_ = Date.now();
- }
- },
-
- /**
- * @private
- * Stops the drag scroll timer if it is active.
- */
- stopDragScrollTimer_: function() {
- if (this.timerId_ !== null) {
- this.window_.clearInterval(this.timerId_);
- this.timerId_ = null;
- this.lastFrameTime_ = 0;
- }
- },
-
- /**
- * @private
- * Scrolls the viewport by the current scroll velocity.
- */
- dragScrollPage_: function() {
- var position = this.viewport_.position;
- var currentFrameTime = Date.now();
- var timeAdjustment = (currentFrameTime - this.lastFrameTime_) /
- ViewportScroller.DRAG_TIMER_INTERVAL_MS_;
- position.y += (this.scrollVelocity_.y * timeAdjustment);
- position.x += (this.scrollVelocity_.x * timeAdjustment);
- this.viewport_.position = position;
- this.lastFrameTime_ = currentFrameTime;
- },
-
- /**
- * @private
- * Calculate the velocity to scroll while dragging using the distance of the
- * cursor outside the viewport.
- * @param {Object} event The mousemove event.
- * @return {Object} Object with x and y direction scroll velocity.
- */
- calculateVelocity_: function(event) {
- var x = Math.min(Math.max(-event.offsetX,
- event.offsetX - this.plugin_.offsetWidth, 0),
- ViewportScroller.MAX_DRAG_SCROLL_DISTANCE_) *
- Math.sign(event.offsetX);
- var y = Math.min(Math.max(-event.offsetY,
- event.offsetY - this.plugin_.offsetHeight, 0),
- ViewportScroller.MAX_DRAG_SCROLL_DISTANCE_) *
- Math.sign(event.offsetY);
- return {
- x: x,
- y: y
- };
- },
-
- /**
- * @private
- * Handles mousemove events. It updates the scroll velocity and starts and
- * stops timer based on scroll velocity.
- * @param {Object} event The mousemove event.
- */
- onMousemove_: function(event) {
- this.scrollVelocity_ = this.calculateVelocity_(event);
- if (!this.scrollVelocity_.x && !this.scrollVelocity_.y)
- this.stopDragScrollTimer_();
- else if (!this.timerId_)
- this.startDragScrollTimer_();
- },
-
- /**
- * Sets whether to scroll the viewport when the mouse is outside the
- * viewport.
- * @param {boolean} isSelecting Represents selection status.
- */
- setEnableScrolling: function(isSelecting) {
- if (isSelecting) {
- if (!this.mousemoveCallback_)
- this.mousemoveCallback_ = this.onMousemove_.bind(this);
- this.plugin_.addEventListener('mousemove', this.mousemoveCallback_,
- false);
- } else {
- this.stopDragScrollTimer_();
- if (this.mousemoveCallback_) {
- this.plugin_.removeEventListener('mousemove', this.mousemoveCallback_,
- false);
- }
- }
- }
-};
+++ /dev/null
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-'use strict';
-
-/**
- * A class that manages updating the browser with zoom changes.
- */
-class ZoomManager {
- /**
- * Constructs a ZoomManager
- * @param {!Viewport} viewport A Viewport for which to manage zoom.
- * @param {Function} setBrowserZoomFunction A function that sets the browser
- * zoom to the provided value.
- * @param {number} initialZoom The initial browser zoom level.
- */
- constructor(viewport, setBrowserZoomFunction, initialZoom) {
- this.viewport_ = viewport;
- this.setBrowserZoomFunction_ = setBrowserZoomFunction;
- this.browserZoom_ = initialZoom;
- this.changingBrowserZoom_ = null;
- }
-
- /**
- * Invoked when a browser-initiated zoom-level change occurs.
- * @param {number} newZoom the zoom level to zoom to.
- */
- onBrowserZoomChange(newZoom) {
- // If we are changing the browser zoom level, ignore any browser zoom level
- // change events. Either, the change occurred before our update and will be
- // overwritten, or the change being reported is the change we are making,
- // which we have already handled.
- if (this.changingBrowserZoom_)
- return;
-
- if (this.floatingPointEquals(this.browserZoom_, newZoom))
- return;
-
- this.browserZoom_ = newZoom;
- this.viewport_.setZoom(newZoom);
- }
-
- /**
- * Invoked when an extension-initiated zoom-level change occurs.
- */
- onPdfZoomChange() {
- // If we are already changing the browser zoom level in response to a
- // previous extension-initiated zoom-level change, ignore this zoom change.
- // Once the browser zoom level is changed, we check whether the extension's
- // zoom level matches the most recently sent zoom level.
- if (this.changingBrowserZoom_)
- return;
-
- let zoom = this.viewport_.zoom;
- if (this.floatingPointEquals(this.browserZoom_, zoom))
- return;
-
- this.changingBrowserZoom_ = this.setBrowserZoomFunction_(zoom).then(
- function() {
- this.browserZoom_ = zoom;
- this.changingBrowserZoom_ = null;
-
- // The extension's zoom level may have changed while the browser zoom
- // change was in progress. We call back into onPdfZoomChange to ensure the
- // browser zoom is up to date.
- this.onPdfZoomChange();
- }.bind(this));
- }
-
- /**
- * Returns whether two numbers are approximately equal.
- * @param {number} a The first number.
- * @param {number} b The second number.
- */
- floatingPointEquals(a, b) {
- let MIN_ZOOM_DELTA = 0.01;
- // If the zoom level is close enough to the current zoom level, don't
- // change it. This avoids us getting into an infinite loop of zoom changes
- // due to floating point error.
- return Math.abs(a - b) <= MIN_ZOOM_DELTA;
- }
-};
--- /dev/null
+Subproject commit c99278fc5a4c0cf9e225b401cbec65a176c991fc
projects / platform / framework / web / crosswalk-tizen.git / commitdiff