[Mojo Video Capture] Split interface BuildableVideoCaptureDevice

content/browser/renderer_host/media/in_process_video_capture_device_launcher.h

 // Copyright 2017 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_IN_PROCESS_BUILDABLE_VIDEO_CAPTURE_DEVICE_H_
-#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_IN_PROCESS_BUILDABLE_VIDEO_CAPTURE_DEVICE_H_
+#ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_IN_PROCESS_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_
+#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_IN_PROCESS_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_
 
 #include "content/browser/renderer_host/media/video_capture_controller.h"
 #include "content/browser/renderer_host/media/video_capture_provider.h"
 #include "content/public/common/media_stream_request.h"
 #include "media/capture/video/video_capture_device.h"
 #include "media/capture/video/video_capture_device_client.h"
 #include "media/capture/video/video_capture_device_descriptor.h"
 #include "media/capture/video/video_capture_system.h"
 
 namespace content {
 
 // Implementation of BuildableVideoCaptureDevice that creates capture devices
 // in the same process as it is being operated on, which must be the Browser
 // process. The devices are operated on the given |device_task_runner|.
 // Instances of this class must be operated from the Browser process IO thread.
-class InProcessBuildableVideoCaptureDevice
-    : public BuildableVideoCaptureDevice {
+class InProcessVideoCaptureDeviceLauncher : public VideoCaptureDeviceLauncher {
  public:
-  InProcessBuildableVideoCaptureDevice(
+  InProcessVideoCaptureDeviceLauncher(
       scoped_refptr<base::SingleThreadTaskRunner> device_task_runner,
       media::VideoCaptureSystem* video_capture_system);
-  ~InProcessBuildableVideoCaptureDevice() override;
+  ~InProcessVideoCaptureDeviceLauncher() override;
 
-  // BuildableVideoCaptureDevice implementation:
-  void CreateAndStartDeviceAsync(VideoCaptureController* controller,
-                                 const media::VideoCaptureParams& params,
-                                 Callbacks* callbacks,
-                                 base::OnceClosure done_cb) override;
-  void ReleaseDeviceAsync(VideoCaptureController* controller,
-                          base::OnceClosure done_cb) override;
-  bool IsDeviceAlive() const override;
-  void GetPhotoCapabilities(
-      media::VideoCaptureDevice::GetPhotoCapabilitiesCallback callback)
-      const override;
-  void SetPhotoOptions(
-      media::mojom::PhotoSettingsPtr settings,
-      media::VideoCaptureDevice::SetPhotoOptionsCallback callback) override;
-  void TakePhoto(
-      media::VideoCaptureDevice::TakePhotoCallback callback) override;
-  void MaybeSuspendDevice() override;
-  void ResumeDevice() override;
-  void RequestRefreshFrame() override;
+  void LaunchDeviceAsync(const std::string& device_id,
+                         MediaStreamType stream_type,
+                         const media::VideoCaptureParams& params,
+                         base::WeakPtr<media::VideoFrameReceiver> receiver,
+                         Callbacks* callbacks,
+                         base::OnceClosure done_cb) override;
 
-  void SetDesktopCaptureWindowIdAsync(gfx::NativeViewId window_id,
-                                      base::OnceClosure done_cb) override;
+  void AbortLaunch() override;
 
  private:
   using ReceiveDeviceCallback =
       base::Callback<void(std::unique_ptr<media::VideoCaptureDevice> device)>;
 
   enum class State {
-    NO_DEVICE,
+    READY_TO_LAUNCH,
     DEVICE_START_IN_PROGRESS,
-    DEVICE_START_ABORTING,
-    DEVICE_STARTED
+    DEVICE_START_ABORTING
   };
 
   std::unique_ptr<media::VideoCaptureDeviceClient> CreateDeviceClient(
       int buffer_pool_max_buffer_count,
       base::WeakPtr<media::VideoFrameReceiver> receiver);
 
-  void OnDeviceStarted(VideoCaptureController* controller,
-                       Callbacks* callbacks,
+  void OnDeviceStarted(Callbacks* callbacks,
                        base::OnceClosure done_cb,
                        std::unique_ptr<media::VideoCaptureDevice> device);
 
   void DoStartDeviceCaptureOnDeviceThread(
       const std::string& device_id,
       const media::VideoCaptureParams& params,
       std::unique_ptr<media::VideoCaptureDeviceClient> client,
       ReceiveDeviceCallback result_callback);
 
   void DoStartTabCaptureOnDeviceThread(
       const std::string& device_id,
       const media::VideoCaptureParams& params,
       std::unique_ptr<media::VideoCaptureDeviceClient> client,
       ReceiveDeviceCallback result_callback);
 
   void DoStartDesktopCaptureOnDeviceThread(
       const std::string& device_id,
       const media::VideoCaptureParams& params,
       std::unique_ptr<media::VideoCaptureDeviceClient> client,
       ReceiveDeviceCallback result_callback);
 
-  void SetDesktopCaptureWindowIdOnDeviceThread(
-      media::VideoCaptureDevice* device,
-      gfx::NativeViewId window_id,
-      base::OnceClosure done_cb);
-
   const scoped_refptr<base::SingleThreadTaskRunner> device_task_runner_;
   media::VideoCaptureSystem* const video_capture_system_;
-  std::unique_ptr<media::VideoCaptureDevice> device_;
-  State state_ = State::NO_DEVICE;
+  State state_;
 };
 
 }  // namespace content
 
-#endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_IN_PROCESS_BUILDABLE_VIDEO_CAPTURE_DEVICE_H_
+#endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_IN_PROCESS_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_