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// Copyright 2017 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_MEDIA_REF_COUNTED_VIDEO_SOURCE_PROVIDER_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_REF_COUNTED_VIDEO_SOURCE_PROVIDER_H_
#include "base/memory/ref_counted.h"
#include "content/common/content_export.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/video_capture/public/mojom/video_source_provider.mojom.h"
namespace content {
// Enables ref-counted shared ownership of a
// mojo::Remote<video_capture::mojom::VideoSourceProvider>.
// Since instances of this class do not guarantee that the connection stays open
// for its entire lifetime, clients must verify that the connection is bound
// before using it.
class CONTENT_EXPORT RefCountedVideoSourceProvider
: public base::RefCounted<RefCountedVideoSourceProvider> {
public:
RefCountedVideoSourceProvider(
mojo::Remote<video_capture::mojom::VideoSourceProvider> source_provider,
base::OnceClosure destruction_cb);
RefCountedVideoSourceProvider(const RefCountedVideoSourceProvider&) = delete;
RefCountedVideoSourceProvider& operator=(
const RefCountedVideoSourceProvider&) = delete;
base::WeakPtr<RefCountedVideoSourceProvider> GetWeakPtr();
const mojo::Remote<video_capture::mojom::VideoSourceProvider>&
source_provider() {
return source_provider_;
}
void ReleaseProviderForTesting();
private:
friend class base::RefCounted<RefCountedVideoSourceProvider>;
~RefCountedVideoSourceProvider();
mojo::Remote<video_capture::mojom::VideoSourceProvider> source_provider_;
base::OnceClosure destruction_cb_;
base::WeakPtrFactory<RefCountedVideoSourceProvider> weak_ptr_factory_{this};
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_REF_COUNTED_VIDEO_SOURCE_PROVIDER_H_
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