src/third_party/WebKit/Source/core/inspector/InspectorFrontendHost.cpp

   1 /*
   2  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
   3  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1.  Redistributions of source code must retain the above copyright
  10  *     notice, this list of conditions and the following disclaimer.
  11  * 2.  Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  15  *     its contributors may be used to endorse or promote products derived
  16  *     from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "config.h"
  31 #include "core/inspector/InspectorFrontendHost.h"
  32
  33 #include "bindings/core/v8/ScriptFunctionCall.h"
  34 #include "bindings/core/v8/ScriptState.h"
  35 #include "core/clipboard/Pasteboard.h"
  36 #include "core/dom/ExecutionContext.h"
  37 #include "core/events/Event.h"
  38 #include "core/events/EventTarget.h"
  39 #include "core/fetch/ResourceFetcher.h"
  40 #include "core/frame/LocalDOMWindow.h"
  41 #include "core/frame/LocalFrame.h"
  42 #include "core/html/parser/TextResourceDecoder.h"
  43 #include "core/inspector/InspectorController.h"
  44 #include "core/inspector/InspectorFrontendClient.h"
  45 #include "core/loader/FrameLoader.h"
  46 #include "core/page/ContextMenuController.h"
  47 #include "core/page/ContextMenuProvider.h"
  48 #include "core/page/Page.h"
  49 #include "core/rendering/RenderTheme.h"
  50 #include "platform/ContextMenu.h"
  51 #include "platform/ContextMenuItem.h"
  52 #include "platform/SharedBuffer.h"
  53 #include "platform/UserGestureIndicator.h"
  54 #include "platform/network/ResourceError.h"
  55 #include "platform/network/ResourceRequest.h"
  56 #include "platform/network/ResourceResponse.h"
  57
  58 namespace blink {
  59
  60 class FrontendMenuProvider FINAL : public ContextMenuProvider {
  61 public:
  62     static PassRefPtr<FrontendMenuProvider> create(InspectorFrontendHost* frontendHost, ScriptValue frontendApiObject, const Vector<ContextMenuItem>& items)
  63     {
  64         return adoptRef(new FrontendMenuProvider(frontendHost, frontendApiObject, items));
  65     }
  66
  67     void disconnect()
  68     {
  69         m_frontendApiObject = ScriptValue();
  70         m_frontendHost = 0;
  71     }
  72
  73 private:
  74     FrontendMenuProvider(InspectorFrontendHost* frontendHost, ScriptValue frontendApiObject, const Vector<ContextMenuItem>& items)
  75         : m_frontendHost(frontendHost)
  76         , m_frontendApiObject(frontendApiObject)
  77         , m_items(items)
  78     {
  79     }
  80
  81     virtual ~FrontendMenuProvider()
  82     {
  83         contextMenuCleared();
  84     }
  85
  86     virtual void populateContextMenu(ContextMenu* menu) OVERRIDE
  87     {
  88         for (size_t i = 0; i < m_items.size(); ++i)
  89             menu->appendItem(m_items[i]);
  90     }
  91
  92     virtual void contextMenuItemSelected(const ContextMenuItem* item) OVERRIDE
  93     {
  94         if (m_frontendHost) {
  95             UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture);
  96             int itemNumber = item->action() - ContextMenuItemBaseCustomTag;
  97
  98             ScriptFunctionCall function(m_frontendApiObject, "contextMenuItemSelected");
  99             function.appendArgument(itemNumber);
 100             function.call();
 101         }
 102     }
 103
 104     virtual void contextMenuCleared() OVERRIDE
 105     {
 106         if (m_frontendHost) {
 107             ScriptFunctionCall function(m_frontendApiObject, "contextMenuCleared");
 108             function.call();
 109
 110             m_frontendHost->m_menuProvider = 0;
 111         }
 112         m_items.clear();
 113         m_frontendHost = 0;
 114     }
 115
 116     InspectorFrontendHost* m_frontendHost;
 117     ScriptValue m_frontendApiObject;
 118     Vector<ContextMenuItem> m_items;
 119 };
 120
 121 InspectorFrontendHost::InspectorFrontendHost(InspectorFrontendClient* client, Page* frontendPage)
 122     : m_client(client)
 123     , m_frontendPage(frontendPage)
 124     , m_menuProvider(0)
 125 {
 126     ScriptWrappable::init(this);
 127 }
 128
 129 InspectorFrontendHost::~InspectorFrontendHost()
 130 {
 131     ASSERT(!m_client);
 132 }
 133
 134 void InspectorFrontendHost::trace(Visitor* visitor)
 135 {
 136     visitor->trace(m_frontendPage);
 137 }
 138
 139 void InspectorFrontendHost::disconnectClient()
 140 {
 141     m_client = 0;
 142     if (m_menuProvider)
 143         m_menuProvider->disconnect();
 144     m_frontendPage = nullptr;
 145 }
 146
 147 void InspectorFrontendHost::setZoomFactor(float zoom)
 148 {
 149     m_frontendPage->deprecatedLocalMainFrame()->setPageAndTextZoomFactors(zoom, 1);
 150 }
 151
 152 float InspectorFrontendHost::zoomFactor()
 153 {
 154     return m_frontendPage->deprecatedLocalMainFrame()->pageZoomFactor();
 155 }
 156
 157 void InspectorFrontendHost::setInjectedScriptForOrigin(const String& origin, const String& script)
 158 {
 159     m_frontendPage->inspectorController().setInjectedScriptForOrigin(origin, script);
 160 }
 161
 162 void InspectorFrontendHost::copyText(const String& text)
 163 {
 164     Pasteboard::generalPasteboard()->writePlainText(text, Pasteboard::CannotSmartReplace);
 165 }
 166
 167 static String escapeUnicodeNonCharacters(const String& str)
 168 {
 169     const UChar nonChar = 0xD800;
 170
 171     unsigned i = 0;
 172     while (i < str.length() && str[i] < nonChar)
 173         ++i;
 174     if (i == str.length())
 175         return str;
 176
 177     StringBuilder dst;
 178     dst.append(str, 0, i);
 179     for (; i < str.length(); ++i) {
 180         UChar c = str[i];
 181         if (c >= nonChar) {
 182             unsigned symbol = static_cast<unsigned>(c);
 183             String symbolCode = String::format("\\u%04X", symbol);
 184             dst.append(symbolCode);
 185         } else {
 186             dst.append(c);
 187         }
 188     }
 189     return dst.toString();
 190 }
 191
 192 void InspectorFrontendHost::sendMessageToBackend(const String& message)
 193 {
 194     if (m_client)
 195         m_client->sendMessageToBackend(escapeUnicodeNonCharacters(message));
 196 }
 197
 198 void InspectorFrontendHost::sendMessageToEmbedder(const String& message)
 199 {
 200     if (m_client)
 201         m_client->sendMessageToEmbedder(escapeUnicodeNonCharacters(message));
 202 }
 203
 204 void InspectorFrontendHost::showContextMenu(Page* page, float x, float y, const Vector<ContextMenuItem>& items)
 205 {
 206     ASSERT(m_frontendPage);
 207     ScriptState* frontendScriptState = ScriptState::forMainWorld(m_frontendPage->deprecatedLocalMainFrame());
 208     ScriptValue frontendApiObject = frontendScriptState->getFromGlobalObject("InspectorFrontendAPI");
 209     ASSERT(frontendApiObject.isObject());
 210
 211     RefPtr<FrontendMenuProvider> menuProvider = FrontendMenuProvider::create(this, frontendApiObject, items);
 212     m_menuProvider = menuProvider.get();
 213     float zoom = page->deprecatedLocalMainFrame()->pageZoomFactor();
 214     page->inspectorController().showContextMenu(x * zoom, y * zoom, menuProvider);
 215 }
 216
 217 void InspectorFrontendHost::showContextMenu(Event* event, const Vector<ContextMenuItem>& items)
 218 {
 219     if (!event)
 220         return;
 221
 222     ASSERT(m_frontendPage);
 223     ScriptState* frontendScriptState = ScriptState::forMainWorld(m_frontendPage->deprecatedLocalMainFrame());
 224     ScriptValue frontendApiObject = frontendScriptState->getFromGlobalObject("InspectorFrontendAPI");
 225     ASSERT(frontendApiObject.isObject());
 226
 227     Page* targetPage = m_frontendPage;
 228     if (event->target() && event->target()->executionContext() && event->target()->executionContext()->executingWindow()) {
 229         LocalDOMWindow* window = event->target()->executionContext()->executingWindow();
 230         if (window->document() && window->document()->page())
 231             targetPage = window->document()->page();
 232     }
 233
 234     RefPtr<FrontendMenuProvider> menuProvider = FrontendMenuProvider::create(this, frontendApiObject, items);
 235     targetPage->contextMenuController().showContextMenu(event, menuProvider);
 236     m_menuProvider = menuProvider.get();
 237 }
 238
 239 String InspectorFrontendHost::getSelectionBackgroundColor()
 240 {
 241     return RenderTheme::theme().activeSelectionBackgroundColor().serialized();
 242 }
 243
 244 String InspectorFrontendHost::getSelectionForegroundColor()
 245 {
 246     return RenderTheme::theme().activeSelectionForegroundColor().serialized();
 247 }
 248
 249 bool InspectorFrontendHost::isUnderTest()
 250 {
 251     return m_client && m_client->isUnderTest();
 252 }
 253
 254 bool InspectorFrontendHost::isHostedMode()
 255 {
 256     return false;
 257 }
 258
 259 } // namespace blink