1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "content/public/browser/web_contents_delegate.h"
7 #include "base/compiler_specific.h"
8 #include "base/logging.h"
9 #include "base/memory/singleton.h"
10 #include "content/public/browser/render_view_host.h"
11 #include "content/public/browser/web_contents.h"
12 #include "content/public/common/url_constants.h"
13 #include "content/public/common/bindings_policy.h"
14 #include "ui/gfx/rect.h"
18 WebContentsDelegate::WebContentsDelegate() {
21 WebContents* WebContentsDelegate::OpenURLFromTab(WebContents* source,
22 const OpenURLParams& params) {
26 bool WebContentsDelegate::IsPopupOrPanel(const WebContents* source) const {
30 bool WebContentsDelegate::CanOverscrollContent() const { return false; }
32 gfx::Rect WebContentsDelegate::GetRootWindowResizerRect() const {
36 bool WebContentsDelegate::ShouldSuppressDialogs() {
40 bool WebContentsDelegate::ShouldPreserveAbortedURLs(WebContents* source) {
44 bool WebContentsDelegate::AddMessageToConsole(WebContents* source,
46 const base::string16& message,
48 const base::string16& source_id) {
52 void WebContentsDelegate::BeforeUnloadFired(WebContents* web_contents,
54 bool* proceed_to_fire_unload) {
55 *proceed_to_fire_unload = true;
58 bool WebContentsDelegate::ShouldFocusLocationBarByDefault(WebContents* source) {
62 bool WebContentsDelegate::ShouldFocusPageAfterCrash() {
66 bool WebContentsDelegate::TakeFocus(WebContents* source, bool reverse) {
70 int WebContentsDelegate::GetExtraRenderViewHeight() const {
74 void WebContentsDelegate::CanDownload(
75 RenderViewHost* render_view_host,
77 const std::string& request_method,
78 const base::Callback<void(bool)>& callback) {
82 bool WebContentsDelegate::HandleContextMenu(
83 const content::ContextMenuParams& params) {
87 void WebContentsDelegate::ViewSourceForTab(WebContents* source,
88 const GURL& page_url) {
89 // Fall back implementation based entirely on the view-source scheme.
90 // It suffers from http://crbug.com/523 and that is why browser overrides
91 // it with proper implementation.
92 GURL url = GURL(kViewSourceScheme + std::string(":") + page_url.spec());
93 OpenURLFromTab(source, OpenURLParams(url, Referrer(),
95 ui::PAGE_TRANSITION_LINK, false));
98 void WebContentsDelegate::ViewSourceForFrame(WebContents* source,
99 const GURL& frame_url,
100 const PageState& page_state) {
101 // Same as ViewSourceForTab, but for given subframe.
102 GURL url = GURL(kViewSourceScheme + std::string(":") + frame_url.spec());
103 OpenURLFromTab(source, OpenURLParams(url, Referrer(),
105 ui::PAGE_TRANSITION_LINK, false));
108 bool WebContentsDelegate::PreHandleKeyboardEvent(
110 const NativeWebKeyboardEvent& event,
111 bool* is_keyboard_shortcut) {
115 bool WebContentsDelegate::PreHandleGestureEvent(
117 const blink::WebGestureEvent& event) {
121 bool WebContentsDelegate::CanDragEnter(
123 const DropData& data,
124 blink::WebDragOperationsMask operations_allowed) {
128 bool WebContentsDelegate::OnGoToEntryOffset(int offset) {
132 bool WebContentsDelegate::ShouldCreateWebContents(
133 WebContents* web_contents,
135 WindowContainerType window_container_type,
136 const base::string16& frame_name,
137 const GURL& target_url,
138 const std::string& partition_id,
139 SessionStorageNamespace* session_storage_namespace) {
143 JavaScriptDialogManager* WebContentsDelegate::GetJavaScriptDialogManager() {
147 bool WebContentsDelegate::EmbedsFullscreenWidget() const {
151 bool WebContentsDelegate::IsFullscreenForTabOrPending(
152 const WebContents* web_contents) const {
156 content::ColorChooser* WebContentsDelegate::OpenColorChooser(
157 WebContents* web_contents,
159 const std::vector<ColorSuggestion>& suggestions) {
163 void WebContentsDelegate::RequestMediaAccessPermission(
164 WebContents* web_contents,
165 const MediaStreamRequest& request,
166 const MediaResponseCallback& callback) {
167 LOG(ERROR) << "WebContentsDelegate::RequestMediaAccessPermission: "
169 callback.Run(MediaStreamDevices(),
170 MEDIA_DEVICE_NOT_SUPPORTED,
171 scoped_ptr<MediaStreamUI>());
174 bool WebContentsDelegate::CheckMediaAccessPermission(
175 WebContents* web_contents,
176 const GURL& security_origin,
177 MediaStreamType type) {
178 LOG(ERROR) << "WebContentsDelegate::CheckMediaAccessPermission: "
183 bool WebContentsDelegate::RequestPpapiBrokerPermission(
184 WebContents* web_contents,
186 const base::FilePath& plugin_path,
187 const base::Callback<void(bool)>& callback) {
191 WebContentsDelegate::~WebContentsDelegate() {
192 while (!attached_contents_.empty()) {
193 WebContents* web_contents = *attached_contents_.begin();
194 web_contents->SetDelegate(NULL);
196 DCHECK(attached_contents_.empty());
199 void WebContentsDelegate::Attach(WebContents* web_contents) {
200 DCHECK(attached_contents_.find(web_contents) == attached_contents_.end());
201 attached_contents_.insert(web_contents);
204 void WebContentsDelegate::Detach(WebContents* web_contents) {
205 DCHECK(attached_contents_.find(web_contents) != attached_contents_.end());
206 attached_contents_.erase(web_contents);
209 gfx::Size WebContentsDelegate::GetSizeForNewRenderView(
210 WebContents* web_contents) const {
214 bool WebContentsDelegate::IsNeverVisible(WebContents* web_contents) {
218 } // namespace content