| // Copyright 2019 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 MEDIA_CAPTURE_VIDEO_CHROMEOS_CAMERA_APP_DEVICE_BRIDGE_IMPL_H_ |
| #define MEDIA_CAPTURE_VIDEO_CHROMEOS_CAMERA_APP_DEVICE_BRIDGE_IMPL_H_ |
| |
| #include <string> |
| |
| #include "base/memory/singleton.h" |
| #include "media/capture/capture_export.h" |
| #include "media/capture/video/chromeos/camera_app_device_impl.h" |
| #include "media/capture/video/chromeos/mojom/camera_app.mojom.h" |
| #include "mojo/public/cpp/bindings/receiver_set.h" |
| |
| namespace media { |
| |
| // A singleton bridge class between Chrome Camera App and Video Capture Service |
| // which helps to construct CameraAppDevice for communication between these two |
| // components. |
| class CAPTURE_EXPORT CameraAppDeviceBridgeImpl |
| : public cros::mojom::CameraAppDeviceBridge { |
| public: |
| using CameraInfoGetter = |
| base::RepeatingCallback<cros::mojom::CameraInfoPtr(const std::string&)>; |
| using VirtualDeviceController = |
| base::RepeatingCallback<void(const std::string&, bool)>; |
| |
| CameraAppDeviceBridgeImpl(); |
| |
| CameraAppDeviceBridgeImpl(const CameraAppDeviceBridgeImpl&) = delete; |
| CameraAppDeviceBridgeImpl& operator=(const CameraAppDeviceBridgeImpl&) = |
| delete; |
| |
| ~CameraAppDeviceBridgeImpl() override; |
| |
| static CameraAppDeviceBridgeImpl* GetInstance(); |
| |
| void BindReceiver( |
| mojo::PendingReceiver<cros::mojom::CameraAppDeviceBridge> receiver); |
| |
| void OnVideoCaptureDeviceCreated( |
| const std::string& device_id, |
| scoped_refptr<base::SingleThreadTaskRunner> ipc_task_runner); |
| |
| void OnVideoCaptureDeviceClosing(const std::string& device_id); |
| |
| void OnDeviceMojoDisconnected(const std::string& device_id); |
| |
| void InvalidateDevicePtrsOnDeviceIpcThread(const std::string& device_id, |
| bool should_disable_new_ptrs, |
| base::OnceClosure callback); |
| |
| void SetCameraInfoGetter(CameraInfoGetter camera_info_getter); |
| |
| void UnsetCameraInfoGetter(); |
| |
| void SetVirtualDeviceController( |
| VirtualDeviceController virtual_device_controller); |
| |
| void UnsetVirtualDeviceController(); |
| |
| base::WeakPtr<CameraAppDeviceImpl> GetWeakCameraAppDevice( |
| const std::string& device_id); |
| |
| void RemoveCameraAppDevice(const std::string& device_id); |
| |
| void RemoveIpcTaskRunner(const std::string& device_id); |
| |
| // cros::mojom::CameraAppDeviceBridge implementations. |
| void GetCameraAppDevice(const std::string& device_id, |
| GetCameraAppDeviceCallback callback) override; |
| |
| void IsSupported(IsSupportedCallback callback) override; |
| |
| void SetMultipleStreamsEnabled( |
| const std::string& device_id, |
| bool enabled, |
| SetMultipleStreamsEnabledCallback callback) override; |
| |
| private: |
| friend struct base::DefaultSingletonTraits<CameraAppDeviceBridgeImpl>; |
| |
| CameraAppDeviceImpl* GetOrCreateCameraAppDevice(const std::string& device_id); |
| |
| bool is_supported_; |
| |
| base::Lock camera_info_getter_lock_; |
| CameraInfoGetter camera_info_getter_ GUARDED_BY(camera_info_getter_lock_); |
| |
| base::Lock virtual_device_controller_lock_; |
| VirtualDeviceController virtual_device_controller_ |
| GUARDED_BY(virtual_device_controller_lock_); |
| |
| mojo::ReceiverSet<cros::mojom::CameraAppDeviceBridge> receivers_; |
| |
| base::Lock device_map_lock_; |
| base::flat_map<std::string, std::unique_ptr<media::CameraAppDeviceImpl>> |
| camera_app_devices_ GUARDED_BY(device_map_lock_); |
| |
| base::Lock task_runner_map_lock_; |
| base::flat_map<std::string, scoped_refptr<base::SingleThreadTaskRunner>> |
| ipc_task_runners_ GUARDED_BY(task_runner_map_lock_); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_CAPTURE_VIDEO_CHROMEOS_CAMERA_APP_DEVICE_BRIDGE_IMPL_H_ |