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// Copyright 2013 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 REMOTING_CLIENT_JNI_JNI_FRAME_CONSUMER_H_
#define REMOTING_CLIENT_JNI_JNI_FRAME_CONSUMER_H_
#include "remoting/client/frame_consumer.h"
#include "base/compiler_specific.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
namespace webrtc {
class DesktopFrame;
} // namespace webrtc
namespace remoting {
class ChromotingJniRuntime;
class FrameProducer;
// FrameConsumer implementation that draws onto a JNI direct byte buffer.
class JniFrameConsumer : public FrameConsumer {
public:
// The instance does not take ownership of |jni_runtime|.
explicit JniFrameConsumer(ChromotingJniRuntime* jni_runtime);
virtual ~JniFrameConsumer();
// This must be called once before the producer's source size is set.
void set_frame_producer(FrameProducer* producer);
// FrameConsumer implementation.
virtual void ApplyBuffer(const webrtc::DesktopSize& view_size,
const webrtc::DesktopRect& clip_area,
webrtc::DesktopFrame* buffer,
const webrtc::DesktopRegion& region) OVERRIDE;
virtual void ReturnBuffer(webrtc::DesktopFrame* buffer) OVERRIDE;
virtual void SetSourceSize(const webrtc::DesktopSize& source_size,
const webrtc::DesktopVector& dpi) OVERRIDE;
private:
// Variables are to be used from the display thread.
// Used to obtain task runner references and make calls to Java methods.
ChromotingJniRuntime* jni_runtime_;
// Whether we're currently in the constructor, and should deallocate the
// buffer instead of passing it back to the producer.
bool in_dtor_;
FrameProducer* frame_producer_;
webrtc::DesktopSize view_size_;
webrtc::DesktopRect clip_area_;
// If |provide_buffer_|, allocates a new buffer of |view_size_|, informs
// Java about it, and tells the producer to draw onto it. Otherwise, no-op.
void AllocateBuffer();
DISALLOW_COPY_AND_ASSIGN(JniFrameConsumer);
};
} // namespace remoting
#endif
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