| // Copyright 2016 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. |
| |
| #ifndef UI_ANDROID_DELEGATED_FRAME_HOST_ANDROID_H_ |
| #define UI_ANDROID_DELEGATED_FRAME_HOST_ANDROID_H_ |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "cc/layers/deadline_policy.h" |
| #include "components/viz/client/frame_evictor.h" |
| #include "components/viz/common/frame_sinks/begin_frame_args.h" |
| #include "components/viz/common/frame_sinks/copy_output_request.h" |
| #include "components/viz/common/frame_timing_details_map.h" |
| #include "components/viz/common/resources/returned_resource.h" |
| #include "components/viz/common/surfaces/surface_info.h" |
| #include "components/viz/host/host_frame_sink_client.h" |
| #include "ui/android/ui_android_export.h" |
| |
| namespace cc { |
| class SurfaceLayer; |
| enum class SurfaceDrawStatus; |
| } // namespace cc |
| |
| namespace viz { |
| class HostFrameSinkManager; |
| } // namespace viz |
| |
| namespace ui { |
| class ViewAndroid; |
| class WindowAndroidCompositor; |
| |
| class UI_ANDROID_EXPORT DelegatedFrameHostAndroid |
| : public viz::HostFrameSinkClient, |
| public viz::FrameEvictorClient { |
| public: |
| class Client { |
| public: |
| virtual ~Client() {} |
| virtual void OnFrameTokenChanged(uint32_t frame_token) = 0; |
| virtual void WasEvicted() = 0; |
| }; |
| |
| DelegatedFrameHostAndroid(ViewAndroid* view, |
| viz::HostFrameSinkManager* host_frame_sink_manager, |
| Client* client, |
| const viz::FrameSinkId& frame_sink_id); |
| |
| ~DelegatedFrameHostAndroid() override; |
| |
| // Wait up to 5 seconds for the first frame to be produced. Having Android |
| // display a placeholder for a longer period of time is preferable to drawing |
| // nothing, and the first frame can take a while on low-end systems. |
| static constexpr base::TimeDelta FirstFrameTimeout() { |
| return base::TimeDelta::FromSeconds(5); |
| } |
| static constexpr int64_t FirstFrameTimeoutFrames() { |
| return FirstFrameTimeout() / viz::BeginFrameArgs::DefaultInterval(); |
| } |
| |
| // Wait up to 1 second for a frame of the correct size to be produced. Android |
| // OS will only wait 4 seconds, so we limit this to 1 second to make sure we |
| // have always produced a frame before the OS stops waiting. |
| static constexpr base::TimeDelta ResizeTimeout() { |
| return base::TimeDelta::FromSeconds(1); |
| } |
| static constexpr int64_t ResizeTimeoutFrames() { |
| return ResizeTimeout() / viz::BeginFrameArgs::DefaultInterval(); |
| } |
| |
| // FrameEvictorClient implementation. |
| void EvictDelegatedFrame() override; |
| |
| // Advances the fallback surface to the first surface after navigation. This |
| // ensures that stale surfaces are not presented to the user for an indefinite |
| // period of time. |
| void ResetFallbackToFirstNavigationSurface(); |
| |
| bool HasDelegatedContent() const; |
| |
| cc::SurfaceLayer* content_layer_for_testing() { return content_layer_.get(); } |
| |
| const viz::FrameSinkId& GetFrameSinkId() const; |
| |
| // Should only be called when the host has a content layer. Use this for one- |
| // off screen capture, not for video. Always provides RGBA_BITMAP |
| // CopyOutputResults. |
| void CopyFromCompositingSurface( |
| const gfx::Rect& src_subrect, |
| const gfx::Size& output_size, |
| base::OnceCallback<void(const SkBitmap&)> callback); |
| bool CanCopyFromCompositingSurface() const; |
| |
| void CompositorFrameSinkChanged(); |
| |
| // Called when this DFH is attached/detached from a parent browser compositor |
| // and needs to be attached to the surface hierarchy. |
| void AttachToCompositor(WindowAndroidCompositor* compositor); |
| void DetachFromCompositor(); |
| |
| bool IsPrimarySurfaceEvicted() const; |
| bool HasSavedFrame() const; |
| void WasHidden(); |
| void WasShown(const viz::LocalSurfaceId& local_surface_id, |
| const gfx::Size& size_in_pixels); |
| void EmbedSurface(const viz::LocalSurfaceId& new_local_surface_id, |
| const gfx::Size& new_size_in_pixels, |
| cc::DeadlinePolicy deadline_policy); |
| |
| // Returns the ID for the current Surface. Returns an invalid ID if no |
| // surface exists (!HasDelegatedContent()). |
| viz::SurfaceId SurfaceId() const; |
| |
| bool HasPrimarySurface() const; |
| bool HasFallbackSurface() const; |
| |
| void TakeFallbackContentFrom(DelegatedFrameHostAndroid* other); |
| |
| void DidNavigate(); |
| |
| void SetTopControlsVisibleHeight(float height); |
| |
| private: |
| // viz::HostFrameSinkClient implementation. |
| void OnFirstSurfaceActivation(const viz::SurfaceInfo& surface_info) override; |
| void OnFrameTokenChanged(uint32_t frame_token) override; |
| |
| void ProcessCopyOutputRequest( |
| std::unique_ptr<viz::CopyOutputRequest> request); |
| |
| const viz::FrameSinkId frame_sink_id_; |
| |
| ViewAndroid* view_; |
| |
| viz::HostFrameSinkManager* const host_frame_sink_manager_; |
| WindowAndroidCompositor* registered_parent_compositor_ = nullptr; |
| Client* client_; |
| |
| float top_controls_visible_height_ = 0.f; |
| |
| scoped_refptr<cc::SurfaceLayer> content_layer_; |
| |
| // Whether we've received a frame from the renderer since navigating. |
| // Only used when surface synchronization is on. |
| viz::LocalSurfaceId first_local_surface_id_after_navigation_; |
| |
| // The LocalSurfaceId of the currently embedded surface. If surface sync is |
| // on, this surface is not necessarily active. |
| viz::LocalSurfaceId local_surface_id_; |
| |
| // The size of the above surface (updated at the same time). |
| gfx::Size surface_size_in_pixels_; |
| |
| std::unique_ptr<viz::FrameEvictor> frame_evictor_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DelegatedFrameHostAndroid); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_ANDROID_DELEGATED_FRAME_HOST_ANDROID_H_ |