[Mojo Video Capture] Split interface BuildableVideoCaptureDevice

content/browser/renderer_host/media/video_capture_manager.h

 // Copyright (c) 2012 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_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_MANAGER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_MANAGER_H_
 
 #include <list>
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/observer_list.h"
 #include "base/process/process_handle.h"
 #include "base/threading/thread_checker.h"
 #include "base/timer/elapsed_timer.h"
 #include "build/build_config.h"
 #include "content/browser/renderer_host/media/media_stream_provider.h"
 #include "content/browser/renderer_host/media/video_capture_controller_event_handler.h"
+#include "content/browser/renderer_host/media/video_capture_device_launch_observer.h"
 #include "content/browser/renderer_host/media/video_capture_provider.h"
 #include "content/common/content_export.h"
 #include "content/common/media/media_stream_options.h"
 #include "media/base/video_facing.h"
 #include "media/capture/video/video_capture_device.h"
 #include "media/capture/video/video_capture_device_info.h"
 #include "media/capture/video_capture_types.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/application_status_listener.h"
 #endif
 
 namespace content {
 class VideoCaptureController;
 class VideoCaptureControllerEventHandler;
 
 // VideoCaptureManager is used to open/close, start/stop, enumerate available
 // video capture devices, and manage VideoCaptureController's.
 // In its main usage in production, an instance is created by MediaStreamManager
 // on the Browser::IO thread. All public methods are expected to be called from
 // the Browser::IO thread. A device can only be opened once.
 class CONTENT_EXPORT VideoCaptureManager
     : public MediaStreamProvider,
-      public BuildableVideoCaptureDevice::Callbacks {
+      public VideoCaptureDeviceLaunchObserver {
  public:
   using VideoCaptureDevice = media::VideoCaptureDevice;
 
   // Callback used to signal the completion of a controller lookup.
   using DoneCB =
       base::Callback<void(const base::WeakPtr<VideoCaptureController>&)>;
 
   explicit VideoCaptureManager(
       std::unique_ptr<VideoCaptureProvider> video_capture_provider);
 
@@ skipping 114 matching lines @@
   // is hidden, see http://crbug.com/582295.
   void OnApplicationStateChange(base::android::ApplicationState state);
 #endif
 
   using EnumerationCallback =
       base::Callback<void(const media::VideoCaptureDeviceDescriptors&)>;
   // Asynchronously obtains descriptors for the available devices.
   // As a side-effect, updates |devices_info_cache_|.
   void EnumerateDevices(const EnumerationCallback& client_callback);
 
-  // Implementation of BuildableVideoCaptureDevice::Callbacks:
-  void OnDeviceStarted(VideoCaptureController* controller) override;
-  void OnDeviceStartFailed(VideoCaptureController* controller) override;
-  void OnDeviceStartAborted() override;
+  // VideoCaptureDeviceLaunchObserver implementation:
+  void OnDeviceLaunched(VideoCaptureController* controller) override;
+  void OnDeviceLaunchFailed(VideoCaptureController* controller) override;
+  void OnDeviceLaunchAborted() override;
 
   // Retrieves camera calibration information for a particular device. Returns
   // nullopt_t if the |device_id| is not found or camera calibration information
   // is not available for the device.  Camera calibration is cached during
   // device(s) enumeration.
   base::Optional<CameraCalibration> GetCameraCalibration(
       const std::string& device_id);
 
  private:
   class CaptureDeviceStartRequest;
@@ skipping 100 matching lines @@
   // Map used by DesktopCapture.
   std::map<media::VideoCaptureSessionId, gfx::NativeViewId>
       notification_window_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoCaptureManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_MANAGER_H_