remoting/client/jni/jni_frame_consumer.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef REMOTING_CLIENT_JNI_JNI_FRAME_CONSUMER_H_
   6 #define REMOTING_CLIENT_JNI_JNI_FRAME_CONSUMER_H_
   7
   8 #include <list>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "remoting/client/frame_consumer.h"
  14 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
  15
  16 namespace remoting {
  17
  18 class ChromotingJniRuntime;
  19
  20 // FrameConsumer implementation that draws onto a JNI direct byte buffer.
  21 class JniFrameConsumer : public FrameConsumer {
  22  public:
  23   // Does not take ownership of |jni_runtime|.
  24   explicit JniFrameConsumer(ChromotingJniRuntime* jni_runtime);
  25
  26   ~JniFrameConsumer() override;
  27
  28   // FrameConsumer implementation.
  29   scoped_ptr<webrtc::DesktopFrame> AllocateFrame(
  30       const webrtc::DesktopSize& size) override;
  31   void DrawFrame(scoped_ptr<webrtc::DesktopFrame> frame,
  32                  const base::Closure& done) override;
  33   PixelFormat GetPixelFormat() override;
  34
  35  private:
  36   class Renderer;
  37
  38   void OnFrameRendered(const base::Closure& done);
  39
  40   // Used to obtain task runner references and make calls to Java methods.
  41   ChromotingJniRuntime* jni_runtime_;
  42
  43   // Renderer object used to render the frames on the display thread.
  44   scoped_ptr<Renderer> renderer_;
  45
  46   base::WeakPtrFactory<JniFrameConsumer> weak_factory_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(JniFrameConsumer);
  49 };
  50
  51 }  // namespace remoting
  52
  53 #endif