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// Copyright 2016 The Chromium Authors
// 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_PROVIDER_IMPL_H_
#define CONTENT_BROWSER_RENDERER_HOST_EMBEDDED_FRAME_SINK_PROVIDER_IMPL_H_
#include <memory>
#include "base/containers/flat_map.h"
#include "base/memory/raw_ptr.h"
#include "components/viz/common/surfaces/frame_sink_id.h"
#include "content/common/content_export.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "third_party/blink/public/mojom/frame_sinks/embedded_frame_sink.mojom.h"
namespace viz {
class HostFrameSinkManager;
}
namespace content {
class EmbeddedFrameSinkImpl;
// Provides embedded frame sinks for a renderer.
class CONTENT_EXPORT EmbeddedFrameSinkProviderImpl
: public blink::mojom::EmbeddedFrameSinkProvider {
public:
EmbeddedFrameSinkProviderImpl(
viz::HostFrameSinkManager* host_frame_sink_manager,
uint32_t renderer_client_id);
EmbeddedFrameSinkProviderImpl(const EmbeddedFrameSinkProviderImpl&) = delete;
EmbeddedFrameSinkProviderImpl& operator=(
const EmbeddedFrameSinkProviderImpl&) = delete;
~EmbeddedFrameSinkProviderImpl() override;
void Add(
mojo::PendingReceiver<blink::mojom::EmbeddedFrameSinkProvider> receiver);
// blink::mojom::EmbeddedFrameSinkProvider implementation.
void RegisterEmbeddedFrameSink(
const viz::FrameSinkId& parent_frame_sink_id,
const viz::FrameSinkId& frame_sink_id,
mojo::PendingRemote<blink::mojom::EmbeddedFrameSinkClient> client)
override;
void RegisterEmbeddedFrameSinkBundle(
const viz::FrameSinkBundleId& bundle_id,
mojo::PendingReceiver<viz::mojom::FrameSinkBundle> receiver,
mojo::PendingRemote<viz::mojom::FrameSinkBundleClient> client) override;
void CreateCompositorFrameSink(
const viz::FrameSinkId& frame_sink_id,
mojo::PendingRemote<viz::mojom::CompositorFrameSinkClient> sink_client,
mojo::PendingReceiver<viz::mojom::CompositorFrameSink> sink_receiver)
override;
void CreateBundledCompositorFrameSink(
const viz::FrameSinkId& frame_sink_id,
const viz::FrameSinkBundleId& bundle_id,
mojo::PendingRemote<viz::mojom::CompositorFrameSinkClient> sink_client,
mojo::PendingReceiver<viz::mojom::CompositorFrameSink> sink_receiver)
override;
void CreateSimpleCompositorFrameSink(
const viz::FrameSinkId& parent_frame_sink_id,
const viz::FrameSinkId& frame_sink_id,
mojo::PendingRemote<blink::mojom::EmbeddedFrameSinkClient>
embedded_frame_sink_client,
mojo::PendingRemote<viz::mojom::CompositorFrameSinkClient>
compositor_frame_sink_client,
mojo::PendingReceiver<viz::mojom::CompositorFrameSink>
compositor_frame_sink_receiver) override;
void ConnectToEmbedder(const viz::FrameSinkId& child_frame_sink_id,
mojo::PendingReceiver<blink::mojom::SurfaceEmbedder>
surface_embedder_receiver) override;
void RegisterFrameSinkHierarchy(
const viz::FrameSinkId& frame_sink_id) override;
void UnregisterFrameSinkHierarchy(
const viz::FrameSinkId& frame_sink_id) override;
private:
friend class EmbeddedFrameSinkProviderImplTest;
// Destroys the |frame_sink_map_| entry for |frame_sink_id|. Provided as
// a callback to each EmbeddedFrameSinkImpl so they can destroy themselves.
void DestroyEmbeddedFrameSink(viz::FrameSinkId frame_sink_id);
const raw_ptr<viz::HostFrameSinkManager> host_frame_sink_manager_;
// FrameSinkIds for embedded frame sinks must use the renderer client id.
const uint32_t renderer_client_id_;
mojo::ReceiverSet<blink::mojom::EmbeddedFrameSinkProvider> receivers_;
base::flat_map<viz::FrameSinkId, std::unique_ptr<EmbeddedFrameSinkImpl>>
frame_sink_map_;
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_EMBEDDED_FRAME_SINK_PROVIDER_IMPL_H_
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