text: // Copyright 2014 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 CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_VIDEO_SOURCE_H_
  #define CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_VIDEO_SOURCE_H_
  
  #include "content/renderer/media/media_stream_video_source.h"
  
  #include "testing/gmock/include/gmock/gmock.h"
  
  namespace content {
  
  class MockMediaStreamVideoSource : public MediaStreamVideoSource {
   public:
    explicit MockMediaStreamVideoSource(bool manual_get_supported_formats);
    virtual ~MockMediaStreamVideoSource();
  
    MOCK_METHOD1(DoSetMutedState, void(bool muted_state));
  
    // Simulate that the underlying source start successfully.
    void StartMockedSource();
  
    // Simulate that the underlying source fail to start.
    void FailToStartMockedSource();
  
    // Returns true if StartSource  has been called and StartMockedSource
    // or FailToStartMockedSource has not been called.
    bool SourceHasAttemptedToStart() { return attempted_to_start_; }
  
    void SetSupportedFormats(const media::VideoCaptureFormats& formats) {
      supported_formats_ = formats;
    }
  
    // Delivers |frame| to all registered tracks on the IO thread. Its up to the
    // call to make sure MockMediaStreamVideoSource is not destroyed before the
    // frame has been delivered.
    void DeliverVideoFrame(const scoped_refptr<media::VideoFrame>& frame);
  
    void CompleteGetSupportedFormats();
  
    const media::VideoCaptureParams& start_params() const { return params_; }
    int max_requested_height() const { return max_requested_height_; }
    int max_requested_width() const { return max_requested_width_; }
    double max_requested_frame_rate() const { return max_requested_frame_rate_; }
  
    void SetMutedState(bool muted_state) {
      MediaStreamVideoSource::SetMutedState(muted_state);
      DoSetMutedState(muted_state);
    }
  
   protected:
    void DeliverVideoFrameOnIO(const scoped_refptr<media::VideoFrame>& frame,
                               media::VideoCaptureFormat format,
                               const base::TimeTicks& estimated_capture_time,
                               const VideoCaptureDeliverFrameCB& frame_callback);
  
    // Implements MediaStreamVideoSource.
    virtual void GetCurrentSupportedFormats(
        int max_requested_height,
        int max_requested_width,
        double max_requested_frame_rate,
        const VideoCaptureDeviceFormatsCB& callback) OVERRIDE;
    virtual void StartSourceImpl(
        const media::VideoCaptureParams& params,
        const VideoCaptureDeliverFrameCB& frame_callback) OVERRIDE;
    virtual void StopSourceImpl() OVERRIDE;
  
   private:
    media::VideoCaptureParams params_;
    media::VideoCaptureFormats supported_formats_;
    bool manual_get_supported_formats_;
    int max_requested_height_;
    int max_requested_width_;
    double max_requested_frame_rate_;
    bool attempted_to_start_;
    VideoCaptureDeviceFormatsCB formats_callback_;
    VideoCaptureDeliverFrameCB frame_callback_;
  
    DISALLOW_COPY_AND_ASSIGN(MockMediaStreamVideoSource);
  };
  
  }  // namespace content
  
  #endif  // CONTENT_RENDERER_MEDIA_MOCK_MEDIA_STREAM_VIDEO_SOURCE_H_
  