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Side by Side Diff: content/browser/renderer_host/render_view_host_impl.h

Issue 213413005: Ensure RenderViewHost is not shut down until a screenshot of the page is taken. Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Implementing review feedback. Created 6 years, 9 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_ 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_ 6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
7 7
8 #include <map> 8 #include <map>
9 #include <string> 9 #include <string>
10 #include <vector> 10 #include <vector>
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223 virtual void SetWebUIProperty(const std::string& name, 223 virtual void SetWebUIProperty(const std::string& name,
224 const std::string& value) OVERRIDE; 224 const std::string& value) OVERRIDE;
225 virtual void Zoom(PageZoom zoom) OVERRIDE; 225 virtual void Zoom(PageZoom zoom) OVERRIDE;
226 virtual void SyncRendererPrefs() OVERRIDE; 226 virtual void SyncRendererPrefs() OVERRIDE;
227 virtual void ToggleSpeechInput() OVERRIDE; 227 virtual void ToggleSpeechInput() OVERRIDE;
228 virtual WebPreferences GetWebkitPreferences() OVERRIDE; 228 virtual WebPreferences GetWebkitPreferences() OVERRIDE;
229 virtual void UpdateWebkitPreferences( 229 virtual void UpdateWebkitPreferences(
230 const WebPreferences& prefs) OVERRIDE; 230 const WebPreferences& prefs) OVERRIDE;
231 virtual void GetAudioOutputControllers( 231 virtual void GetAudioOutputControllers(
232 const GetAudioOutputControllersCallback& callback) const OVERRIDE; 232 const GetAudioOutputControllersCallback& callback) const OVERRIDE;
233 virtual void CopyFromBackingStore(
234 const gfx::Rect& src_rect,
235 const gfx::Size& accelerated_dst_size,
236 const base::Callback<void(bool, const SkBitmap&)>& callback,
237 const SkBitmap::Config& bitmap_config) OVERRIDE;
233 238
234 #if defined(OS_ANDROID) 239 #if defined(OS_ANDROID)
235 virtual void ActivateNearestFindResult(int request_id, 240 virtual void ActivateNearestFindResult(int request_id,
236 float x, 241 float x,
237 float y) OVERRIDE; 242 float y) OVERRIDE;
238 virtual void RequestFindMatchRects(int current_version) OVERRIDE; 243 virtual void RequestFindMatchRects(int current_version) OVERRIDE;
239 virtual void DisableFullscreenEncryptedMediaPlayback() OVERRIDE; 244 virtual void DisableFullscreenEncryptedMediaPlayback() OVERRIDE;
240 #endif 245 #endif
241 246
242 #if defined(USE_MOJO) 247 #if defined(USE_MOJO)
243 virtual void SetWebUIHandle(mojo::ScopedMessagePipeHandle handle) OVERRIDE; 248 virtual void SetWebUIHandle(mojo::ScopedMessagePipeHandle handle) OVERRIDE;
244 #endif 249 #endif
245 250
251 void CopyFromBackingStoreCallback(
252 const base::Callback<void(bool, const SkBitmap&)>& callback,
253 bool success,
254 const SkBitmap& bitmap);
255
246 void set_delegate(RenderViewHostDelegate* d) { 256 void set_delegate(RenderViewHostDelegate* d) {
247 CHECK(d); // http://crbug.com/82827 257 CHECK(d); // http://crbug.com/82827
248 delegate_ = d; 258 delegate_ = d;
249 } 259 }
250 260
251 // Set up the RenderView child process. Virtual because it is overridden by 261 // Set up the RenderView child process. Virtual because it is overridden by
252 // TestRenderViewHost. If the |frame_name| parameter is non-empty, it is used 262 // TestRenderViewHost. If the |frame_name| parameter is non-empty, it is used
253 // as the name of the new top-level frame. 263 // as the name of the new top-level frame.
254 // The |opener_route_id| parameter indicates which RenderView created this 264 // The |opener_route_id| parameter indicates which RenderView created this
255 // (MSG_ROUTING_NONE if none). If |max_page_id| is larger than -1, the 265 // (MSG_ROUTING_NONE if none). If |max_page_id| is larger than -1, the
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713 // Manages all the android mediaplayer objects and handling IPCs for video. 723 // Manages all the android mediaplayer objects and handling IPCs for video.
714 scoped_ptr<BrowserMediaPlayerManager> media_player_manager_; 724 scoped_ptr<BrowserMediaPlayerManager> media_player_manager_;
715 #endif 725 #endif
716 726
717 // Used to swap out or shutdown this RVH when the unload event is taking too 727 // Used to swap out or shutdown this RVH when the unload event is taking too
718 // long to execute, depending on the number of active views in the 728 // long to execute, depending on the number of active views in the
719 // SiteInstance. 729 // SiteInstance.
720 // TODO(nasko): Move to RenderFrameHost, as this is per-frame state. 730 // TODO(nasko): Move to RenderFrameHost, as this is per-frame state.
721 scoped_ptr<TimeoutMonitor> unload_event_monitor_timeout_; 731 scoped_ptr<TimeoutMonitor> unload_event_monitor_timeout_;
722 732
723 // Called after receiving the SwapOutACK when the RVH is in state pending 733 // Called after receiving the SwapOutACK and completing outstanding copy
724 // shutdown. Also called if the unload timer times out. 734 // requests when the RVH is in state pending shutdown. Also called if the
735 // unload timer times out.
725 // TODO(nasko): Move to RenderFrameHost, as this is per-frame state. 736 // TODO(nasko): Move to RenderFrameHost, as this is per-frame state.
726 base::Closure pending_shutdown_on_swap_out_; 737 base::Closure pending_shutdown_on_swap_out_;
727 738
739 // Set to true if pending_shutdown_on_swap_out_ is not invoked upon receiving
740 // the SwapOutACK because of outstanding copy requests. In this case
741 // pending_shutdown_on_swap_out_ gets called when the copy requests complete.
742 bool pending_shutdown_on_copy_requests_done_;
743
744 // Stores the number of the outstanding copy requests (see
745 // CopyFromBackingStore()). If the host gets swapped out with outstanding copy
746 // requests, we delay its shutdown until the copy requests complete.
747 int copy_requests_;
748
728 base::WeakPtrFactory<RenderViewHostImpl> weak_factory_; 749 base::WeakPtrFactory<RenderViewHostImpl> weak_factory_;
729 750
730 DISALLOW_COPY_AND_ASSIGN(RenderViewHostImpl); 751 DISALLOW_COPY_AND_ASSIGN(RenderViewHostImpl);
731 }; 752 };
732 753
733 #if defined(COMPILER_MSVC) 754 #if defined(COMPILER_MSVC)
734 #pragma warning(pop) 755 #pragma warning(pop)
735 #endif 756 #endif
736 757
737 } // namespace content 758 } // namespace content
738 759
739 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_ 760 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
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