| // 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 CONTENT_BROWSER_RENDERER_HOST_EMBEDDED_FRAME_SINK_IMPL_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_EMBEDDED_FRAME_SINK_IMPL_H_ |
| |
| #include "base/callback.h" |
| #include "base/compiler_specific.h" |
| #include "components/viz/common/surfaces/frame_sink_id.h" |
| #include "components/viz/common/surfaces/surface_info.h" |
| #include "components/viz/host/host_frame_sink_client.h" |
| #include "content/common/content_export.h" |
| #include "mojo/public/cpp/bindings/binding.h" |
| #include "third_party/blink/public/mojom/frame_sinks/embedded_frame_sink.mojom.h" |
| |
| namespace viz { |
| class HostFrameSinkManager; |
| } |
| |
| namespace content { |
| |
| // The browser owned object for an embedded frame sink in a renderer process. |
| // Both the embedder and embedded frame sink are in the same renderer. Holds a |
| // client connection to the renderer that is notified when a new SurfaceId |
| // activates for the embedded frame sink. |
| class CONTENT_EXPORT EmbeddedFrameSinkImpl : public viz::HostFrameSinkClient { |
| public: |
| using DestroyCallback = base::OnceCallback<void()>; |
| |
| EmbeddedFrameSinkImpl(viz::HostFrameSinkManager* host_frame_sink_manager, |
| const viz::FrameSinkId& parent_frame_sink_id, |
| const viz::FrameSinkId& frame_sink_id, |
| blink::mojom::EmbeddedFrameSinkClientPtr client, |
| DestroyCallback destroy_callback); |
| ~EmbeddedFrameSinkImpl() override; |
| |
| const viz::FrameSinkId& frame_sink_id() const { return frame_sink_id_; } |
| const viz::LocalSurfaceId& local_surface_id() const { |
| return local_surface_id_; |
| } |
| |
| // Creates a CompositorFrameSink connection to FrameSinkManagerImpl. |
| void CreateCompositorFrameSink( |
| viz::mojom::CompositorFrameSinkClientPtr client, |
| viz::mojom::CompositorFrameSinkRequest request); |
| |
| // Establishes a connection to the emedder of this FrameSink. Allows the child |
| // to notify its embedder of its LocalSurfaceId changes. |
| void ConnectToEmbedder( |
| blink::mojom::SurfaceEmbedderRequest surface_embedder_request); |
| |
| // viz::HostFrameSinkClient implementation. |
| void OnFirstSurfaceActivation(const viz::SurfaceInfo& surface_info) override; |
| void OnFrameTokenChanged(uint32_t frame_token) override; |
| |
| private: |
| viz::HostFrameSinkManager* const host_frame_sink_manager_; |
| |
| blink::mojom::EmbeddedFrameSinkClientPtr client_; |
| |
| // Surface-related state |
| const viz::FrameSinkId parent_frame_sink_id_; |
| const viz::FrameSinkId frame_sink_id_; |
| viz::LocalSurfaceId local_surface_id_; |
| |
| bool has_created_compositor_frame_sink_ = false; |
| |
| DISALLOW_COPY_AND_ASSIGN(EmbeddedFrameSinkImpl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_EMBEDDED_FRAME_SINK_IMPL_H_ |