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// 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_SURFACE_LAYER_BRIDGE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_SURFACE_LAYER_BRIDGE_H_
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "components/viz/common/surfaces/surface_id.h"
#include "mojo/public/cpp/bindings/binding.h"
#include "third_party/blink/public/platform/modules/offscreencanvas/offscreen_canvas_surface.mojom-blink.h"
#include "third_party/blink/public/platform/web_surface_layer_bridge.h"
#include "third_party/blink/renderer/platform/platform_export.h"
namespace cc {
class Layer;
} // namespace cc
namespace viz {
class SurfaceInfo;
} // namespace viz
namespace blink {
class WebLayer;
class WebLayerTreeView;
// The SurfaceLayerBridge facilitates communication about changes to a Surface
// between the Render and Browser processes.
class PLATFORM_EXPORT SurfaceLayerBridge
: public blink::mojom::blink::OffscreenCanvasSurfaceClient,
public WebSurfaceLayerBridge {
public:
SurfaceLayerBridge(WebLayerTreeView*, WebSurfaceLayerBridgeObserver*);
virtual ~SurfaceLayerBridge();
void CreateSolidColorLayer();
// Implementation of blink::mojom::blink::OffscreenCanvasSurfaceClient
void OnFirstSurfaceActivation(const viz::SurfaceInfo&) override;
// Implementation of WebSurfaceLayerBridge.
WebLayer* GetWebLayer() const override { return web_layer_.get(); }
const viz::FrameSinkId& GetFrameSinkId() const override {
return frame_sink_id_;
}
private:
scoped_refptr<cc::Layer> cc_layer_;
std::unique_ptr<WebLayer> web_layer_;
WebSurfaceLayerBridgeObserver* observer_;
mojo::Binding<blink::mojom::blink::OffscreenCanvasSurfaceClient> binding_;
const viz::FrameSinkId frame_sink_id_;
viz::SurfaceId current_surface_id_;
const viz::FrameSinkId parent_frame_sink_id_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_SURFACE_LAYER_BRIDGE_H_
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