1 // Copyright 2013 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 #ifndef CONTENT_BROWSER_FRAME_HOST_INTERSTITIAL_PAGE_IMPL_H_
6 #define CONTENT_BROWSER_FRAME_HOST_INTERSTITIAL_PAGE_IMPL_H_
8 #include "base/compiler_specific.h"
9 #include "base/memory/scoped_ptr.h"
10 #include "base/memory/weak_ptr.h"
11 #include "content/browser/frame_host/frame_tree.h"
12 #include "content/browser/frame_host/navigator_delegate.h"
13 #include "content/browser/frame_host/render_frame_host_delegate.h"
14 #include "content/browser/renderer_host/render_view_host_delegate.h"
15 #include "content/browser/renderer_host/render_widget_host_delegate.h"
16 #include "content/public/browser/dom_operation_notification_details.h"
17 #include "content/public/browser/interstitial_page.h"
18 #include "content/public/browser/notification_observer.h"
19 #include "content/public/browser/notification_registrar.h"
20 #include "content/public/browser/web_contents_observer.h"
21 #include "content/public/common/renderer_preferences.h"
25 class NavigationEntry;
26 class NavigationControllerImpl;
27 class RenderViewHostImpl;
28 class RenderWidgetHostView;
29 class WebContentsView;
31 enum ResourceRequestAction {
37 class CONTENT_EXPORT InterstitialPageImpl
38 : public NON_EXPORTED_BASE(InterstitialPage),
39 public NotificationObserver,
40 public WebContentsObserver,
41 public NON_EXPORTED_BASE(RenderFrameHostDelegate),
42 public RenderViewHostDelegate,
43 public RenderWidgetHostDelegate,
44 public NON_EXPORTED_BASE(NavigatorDelegate) {
46 // The different state of actions the user can take in an interstitial.
48 NO_ACTION, // No action has been taken yet.
49 PROCEED_ACTION, // "Proceed" was selected.
50 DONT_PROCEED_ACTION // "Don't proceed" was selected.
53 InterstitialPageImpl(WebContents* web_contents,
54 RenderWidgetHostDelegate* render_widget_host_delegate,
57 InterstitialPageDelegate* delegate);
58 virtual ~InterstitialPageImpl();
60 // InterstitialPage implementation:
61 virtual void Show() OVERRIDE;
62 virtual void Hide() OVERRIDE;
63 virtual void DontProceed() OVERRIDE;
64 virtual void Proceed() OVERRIDE;
65 virtual RenderViewHost* GetRenderViewHostForTesting() const OVERRIDE;
66 virtual InterstitialPageDelegate* GetDelegateForTesting() OVERRIDE;
67 virtual void DontCreateViewForTesting() OVERRIDE;
68 virtual void SetSize(const gfx::Size& size) OVERRIDE;
69 virtual void Focus() OVERRIDE;
71 // Allows the user to navigate away by disabling the interstitial, canceling
72 // the pending request, and unblocking the hidden renderer. The interstitial
73 // will stay visible until the navigation completes.
74 void CancelForNavigation();
76 // Focus the first (last if reverse is true) element in the interstitial page.
77 // Called when tab traversing.
78 void FocusThroughTabTraversal(bool reverse);
80 RenderWidgetHostView* GetView();
82 // See description above field.
83 void set_reload_on_dont_proceed(bool value) {
84 reload_on_dont_proceed_ = value;
86 bool reload_on_dont_proceed() const { return reload_on_dont_proceed_; }
88 #if defined(OS_ANDROID)
89 // Android shares a single platform window for all tabs, so we need to expose
90 // the RenderViewHost to properly route gestures to the interstitial.
91 RenderViewHost* GetRenderViewHost() const;
94 // TODO(nasko): This should move to InterstitialPageNavigatorImpl, but in
95 // the meantime make it public, so it can be called directly.
97 RenderViewHost* render_view_host,
98 const FrameHostMsg_DidCommitProvisionalLoad_Params& params);
101 // NotificationObserver method:
102 virtual void Observe(int type,
103 const NotificationSource& source,
104 const NotificationDetails& details) OVERRIDE;
106 // WebContentsObserver implementation:
107 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
108 virtual void WebContentsDestroyed() OVERRIDE;
109 virtual void NavigationEntryCommitted(
110 const LoadCommittedDetails& load_details) OVERRIDE;
112 // RenderFrameHostDelegate implementation:
113 virtual bool OnMessageReceived(RenderFrameHost* render_frame_host,
114 const IPC::Message& message) OVERRIDE;
115 virtual void RenderFrameCreated(RenderFrameHost* render_frame_host) OVERRIDE;
117 // RenderViewHostDelegate implementation:
118 virtual RenderViewHostDelegateView* GetDelegateView() OVERRIDE;
119 virtual bool OnMessageReceived(RenderViewHost* render_view_host,
120 const IPC::Message& message) OVERRIDE;
121 virtual const GURL& GetMainFrameLastCommittedURL() const OVERRIDE;
122 virtual void RenderViewTerminated(RenderViewHost* render_view_host,
123 base::TerminationStatus status,
124 int error_code) OVERRIDE;
125 virtual void UpdateTitle(RenderViewHost* render_view_host,
127 const base::string16& title,
128 base::i18n::TextDirection title_direction) OVERRIDE;
129 virtual RendererPreferences GetRendererPrefs(
130 BrowserContext* browser_context) const OVERRIDE;
131 virtual WebPreferences GetWebkitPrefs() OVERRIDE;
132 virtual gfx::Rect GetRootWindowResizerRect() const OVERRIDE;
133 virtual void CreateNewWindow(
134 int render_process_id,
136 int main_frame_route_id,
137 const ViewHostMsg_CreateWindow_Params& params,
138 SessionStorageNamespace* session_storage_namespace) OVERRIDE;
139 virtual void CreateNewWidget(int render_process_id,
141 blink::WebPopupType popup_type) OVERRIDE;
142 virtual void CreateNewFullscreenWidget(int render_process_id,
143 int route_id) OVERRIDE;
144 virtual void ShowCreatedWindow(int route_id,
145 WindowOpenDisposition disposition,
146 const gfx::Rect& initial_pos,
147 bool user_gesture) OVERRIDE;
148 virtual void ShowCreatedWidget(int route_id,
149 const gfx::Rect& initial_pos) OVERRIDE;
150 virtual void ShowCreatedFullscreenWidget(int route_id) OVERRIDE;
152 virtual SessionStorageNamespace* GetSessionStorageNamespace(
153 SiteInstance* instance) OVERRIDE;
155 virtual FrameTree* GetFrameTree() OVERRIDE;
157 // RenderWidgetHostDelegate implementation:
158 virtual void RenderWidgetDeleted(
159 RenderWidgetHostImpl* render_widget_host) OVERRIDE;
160 virtual bool PreHandleKeyboardEvent(
161 const NativeWebKeyboardEvent& event,
162 bool* is_keyboard_shortcut) OVERRIDE;
163 virtual void HandleKeyboardEvent(
164 const NativeWebKeyboardEvent& event) OVERRIDE;
166 virtual gfx::NativeViewAccessible GetParentNativeViewAccessible() OVERRIDE;
169 bool enabled() const { return enabled_; }
170 WebContents* web_contents() const;
171 const GURL& url() const { return url_; }
173 // Creates the RenderViewHost containing the interstitial content.
174 // Overriden in unit tests.
175 virtual RenderViewHost* CreateRenderViewHost();
177 // Creates the WebContentsView that shows the interstitial RVH.
178 // Overriden in unit tests.
179 virtual WebContentsView* CreateWebContentsView();
181 // Notification magic.
182 NotificationRegistrar notification_registrar_;
185 class InterstitialPageRVHDelegateView;
187 // Disable the interstitial:
188 // - if it is not yet showing, then it won't be shown.
189 // - any command sent by the RenderViewHost will be ignored.
192 // Delete ourselves, causing Shutdown on the RVH to be called.
195 void OnNavigatingAwayOrTabClosing();
197 // Executes the passed action on the ResourceDispatcher (on the IO thread).
198 // Used to block/resume/cancel requests for the RenderViewHost hidden by this
200 void TakeActionOnResourceDispatcher(ResourceRequestAction action);
202 // IPC message handlers.
203 void OnDomOperationResponse(const std::string& json_string,
206 // The contents in which we are displayed. This is valid until Hide is
207 // called, at which point it will be set to NULL because the WebContents
208 // itself may be deleted.
209 WebContents* web_contents_;
211 // The NavigationController for the content this page is being displayed over.
212 NavigationControllerImpl* controller_;
214 // Delegate for dispatching keyboard events and accessing the native view.
215 RenderWidgetHostDelegate* render_widget_host_delegate_;
217 // The URL that is shown when the interstitial is showing.
220 // Whether this interstitial is shown as a result of a new navigation (in
221 // which case a transient navigation entry is created).
222 bool new_navigation_;
224 // Whether we should discard the pending navigation entry when not proceeding.
225 // This is to deal with cases where |new_navigation_| is true but a new
226 // pending entry was created since this interstitial was shown and we should
228 bool should_discard_pending_nav_entry_;
230 // If true and the user chooses not to proceed the target NavigationController
231 // is reloaded. This is used when two NavigationControllers are merged
232 // (CopyStateFromAndPrune).
233 // The default is false.
234 bool reload_on_dont_proceed_;
236 // Whether this interstitial is enabled. See Disable() for more info.
239 // Whether the Proceed or DontProceed methods have been called yet.
240 ActionState action_taken_;
242 // The RenderViewHost displaying the interstitial contents. This is valid
243 // until Hide is called, at which point it will be set to NULL, signifying
244 // that shutdown has started.
245 // TODO(creis): This is now owned by the FrameTree. We should route things
246 // through the tree's root RenderFrameHost instead.
247 RenderViewHostImpl* render_view_host_;
249 // The frame tree structure of the current page.
250 FrameTree frame_tree_;
252 // The IDs for the Render[View|Process]Host hidden by this interstitial.
253 int original_child_id_;
254 int original_rvh_id_;
256 // Whether or not we should change the title of the contents when hidden (to
257 // revert it to its original value).
258 bool should_revert_web_contents_title_;
260 // Whether or not the contents was loading resources when the interstitial was
261 // shown. We restore this state if the user proceeds from the interstitial.
262 bool web_contents_was_loading_;
264 // Whether the ResourceDispatcherHost has been notified to cancel/resume the
265 // resource requests blocked for the RenderViewHost.
266 bool resource_dispatcher_host_notified_;
268 // The original title of the contents that should be reverted to when the
269 // interstitial is hidden.
270 base::string16 original_web_contents_title_;
272 // Our RenderViewHostViewDelegate, necessary for accelerators to work.
273 scoped_ptr<InterstitialPageRVHDelegateView> rvh_delegate_view_;
275 // Settings passed to the renderer.
276 mutable RendererPreferences renderer_preferences_;
280 scoped_ptr<InterstitialPageDelegate> delegate_;
282 base::WeakPtrFactory<InterstitialPageImpl> weak_ptr_factory_;
284 scoped_refptr<SessionStorageNamespace> session_storage_namespace_;
286 DISALLOW_COPY_AND_ASSIGN(InterstitialPageImpl);
289 } // namespace content
291 #endif // CONTENT_BROWSER_FRAME_HOST_INTERSTITIAL_PAGE_IMPL_H_