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// Copyright 2019 The Chromium Authors
// 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_MODULES_MEDIASTREAM_MEDIA_STREAM_LOCAL_FRAME_WRAPPER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIASTREAM_MEDIA_STREAM_LOCAL_FRAME_WRAPPER_H_
#include "third_party/blink/public/web/web_local_frame.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
namespace blink {
// This class wraps WebLocalFrame instances, so they can be work as
// weak pointers. Internally, it uses the backing LocalFrame for such.
//
// TODO(crbug.com/704136): Remove this class when its users get fully
// Onion souped, and WeakPersistent<LocalFrame> can be used directly.
class MediaStreamInternalFrameWrapper {
public:
MediaStreamInternalFrameWrapper(WebLocalFrame* web_frame)
: frame_(web_frame ? static_cast<LocalFrame*>(
WebLocalFrame::ToCoreFrame(*web_frame))
: nullptr) {}
MediaStreamInternalFrameWrapper(const MediaStreamInternalFrameWrapper&) =
delete;
MediaStreamInternalFrameWrapper& operator=(
const MediaStreamInternalFrameWrapper&) = delete;
LocalFrame* frame() { return frame_.Get(); }
WebLocalFrame* web_frame() {
if (!frame_)
return nullptr;
return static_cast<WebLocalFrame*>(WebFrame::FromCoreFrame(frame()));
}
private:
WeakPersistent<LocalFrame> frame_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIASTREAM_MEDIA_STREAM_LOCAL_FRAME_WRAPPER_H_
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