Index: content/browser/renderer_host/offscreen_canvas_surface_impl.h |
diff --git a/content/browser/renderer_host/offscreen_canvas_surface_impl.h b/content/browser/renderer_host/offscreen_canvas_surface_impl.h |
index 14d4b0a439c3e0eb71ccbde8e9133b5b36b00bae..ff566c558fea1a28770a0e0459a120d6dc0d38a7 100644 |
--- a/content/browser/renderer_host/offscreen_canvas_surface_impl.h |
+++ b/content/browser/renderer_host/offscreen_canvas_surface_impl.h |
@@ -5,8 +5,13 @@ |
#ifndef CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_SURFACE_IMPL_H_ |
#define CONTENT_BROWSER_RENDERER_HOST_OFFSCREEN_CANVAS_SURFACE_IMPL_H_ |
-#include "cc/surfaces/surface_id.h" |
-#include "mojo/public/cpp/bindings/strong_binding.h" |
+#include "base/callback.h" |
+#include "base/compiler_specific.h" |
+#include "cc/surfaces/frame_sink_id.h" |
+#include "cc/surfaces/surface_info.h" |
+#include "content/browser/compositor/frame_sink_observer.h" |
+#include "content/common/content_export.h" |
+#include "mojo/public/cpp/bindings/binding.h" |
#include "third_party/WebKit/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom.h" |
namespace content { |
@@ -14,18 +19,28 @@ namespace content { |
// The browser owned object for an offscreen canvas connection. Holds |
// connections to both the renderer and frame sink manager. |
class CONTENT_EXPORT OffscreenCanvasSurfaceImpl |
- : public blink::mojom::OffscreenCanvasSurface { |
+ : public blink::mojom::OffscreenCanvasSurface, |
+ public NON_EXPORTED_BASE(FrameSinkObserver) { |
public: |
+ using DestroyCallback = base::OnceCallback<void()>; |
+ |
OffscreenCanvasSurfaceImpl( |
const cc::FrameSinkId& parent_frame_sink_id, |
const cc::FrameSinkId& frame_sink_id, |
- blink::mojom::OffscreenCanvasSurfaceClientPtr client); |
+ blink::mojom::OffscreenCanvasSurfaceClientPtr client, |
+ blink::mojom::OffscreenCanvasSurfaceRequest request, |
+ DestroyCallback destroy_callback); |
~OffscreenCanvasSurfaceImpl() override; |
- static void Create(const cc::FrameSinkId& parent_frame_sink_id, |
- const cc::FrameSinkId& frame_sink_id, |
- blink::mojom::OffscreenCanvasSurfaceClientPtr client, |
- blink::mojom::OffscreenCanvasSurfaceRequest request); |
+ const cc::FrameSinkId& frame_sink_id() const { return frame_sink_id_; } |
+ |
+ const cc::FrameSinkId& parent_frame_sink_id() const { |
+ return parent_frame_sink_id_; |
+ } |
+ |
+ const cc::LocalSurfaceId& local_surface_id() const { |
+ return local_surface_id_; |
+ } |
// Creates a MojoCompositorFrameSink connection to FrameSinkManager for an |
// offscreen canvas client. The corresponding private interface will be owned |
@@ -35,35 +50,33 @@ class CONTENT_EXPORT OffscreenCanvasSurfaceImpl |
cc::mojom::MojoCompositorFrameSinkClientPtr client, |
cc::mojom::MojoCompositorFrameSinkRequest request); |
- void OnSurfaceCreated(const cc::SurfaceInfo& surface_info); |
+ // FrameSinkObserver implementation. |
+ void OnSurfaceCreated(const cc::SurfaceInfo& surface_info) override; |
// blink::mojom::OffscreenCanvasSurface implementation. |
void Require(const cc::SurfaceId& surface_id, |
const cc::SurfaceSequence& sequence) override; |
void Satisfy(const cc::SurfaceSequence& sequence) override; |
- const cc::FrameSinkId& frame_sink_id() const { return frame_sink_id_; } |
- |
- const cc::FrameSinkId& parent_frame_sink_id() const { |
- return parent_frame_sink_id_; |
- } |
- |
- const cc::LocalSurfaceId& current_local_surface_id() const { |
- return current_local_surface_id_; |
- } |
- |
private: |
+ // Registered as a callback for when |binding_| is closed. Will call |
+ // |destroy_callback_|. |
+ void OnSurfaceConnectionClosed(); |
+ |
blink::mojom::OffscreenCanvasSurfaceClientPtr client_; |
- mojo::StrongBindingPtr<blink::mojom::OffscreenCanvasSurface> binding_; |
+ mojo::Binding<blink::mojom::OffscreenCanvasSurface> binding_; |
// Private connection for the CompositorFrameSink. The CompositorFrameSink |
// will not be destroyed until both private and offscreen canvas client |
// connections are closed. |
cc::mojom::MojoCompositorFrameSinkPrivatePtr compositor_frame_sink_private_; |
+ // To be called if |binding_| is closed. |
+ DestroyCallback destroy_callback_; |
+ |
// Surface-related state |
const cc::FrameSinkId frame_sink_id_; |
- cc::LocalSurfaceId current_local_surface_id_; |
+ cc::LocalSurfaceId local_surface_id_; |
const cc::FrameSinkId parent_frame_sink_id_; |
bool has_created_compositor_frame_sink_ = false; |