| // Copyright 2018 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_FUCHSIA_VIDEO_CAPTURE_DEVICE_FACTORY_FUCHSIA_H_ |
| #define MEDIA_CAPTURE_VIDEO_FUCHSIA_VIDEO_CAPTURE_DEVICE_FACTORY_FUCHSIA_H_ |
| |
| #include <fuchsia/camera3/cpp/fidl.h> |
| |
| #include <map> |
| |
| #include "base/containers/small_map.h" |
| #include "media/capture/video/video_capture_device_factory.h" |
| #include "third_party/abseil-cpp/absl/types/optional.h" |
| |
| namespace media { |
| |
| class CAPTURE_EXPORT VideoCaptureDeviceFactoryFuchsia |
| : public VideoCaptureDeviceFactory { |
| public: |
| VideoCaptureDeviceFactoryFuchsia(); |
| ~VideoCaptureDeviceFactoryFuchsia() override; |
| |
| VideoCaptureDeviceFactoryFuchsia(const VideoCaptureDeviceFactoryFuchsia&) = |
| delete; |
| VideoCaptureDeviceFactoryFuchsia& operator=( |
| const VideoCaptureDeviceFactoryFuchsia&) = delete; |
| |
| // VideoCaptureDeviceFactory implementation. |
| std::unique_ptr<VideoCaptureDevice> CreateDevice( |
| const VideoCaptureDeviceDescriptor& device_descriptor) override; |
| void GetDevicesInfo(GetDevicesInfoCallback callback) override; |
| |
| private: |
| // Helper class used to fetch per-device information. |
| class DeviceConfigFetcher; |
| |
| void Initialize(); |
| |
| void OnDeviceWatcherDisconnected(zx_status_t status); |
| |
| void WatchDevices(); |
| void OnWatchDevicesResult( |
| std::vector<fuchsia::camera3::WatchDevicesEvent> events); |
| |
| void OnDeviceInfoFetched(); |
| |
| std::vector<VideoCaptureDeviceInfo> MakeDevicesInfo(); |
| void MaybeResolvePendingDeviceInfoCallbacks(); |
| |
| fuchsia::camera3::DeviceWatcherPtr device_watcher_; |
| |
| // Current list of devices. Set to nullopt if the list hasn't been received |
| // yet. |
| absl::optional< |
| base::small_map<std::map<uint64_t, std::unique_ptr<DeviceConfigFetcher>>>> |
| devices_; |
| |
| size_t num_pending_device_info_requests_ = 0; |
| |
| std::vector<GetDevicesInfoCallback> pending_devices_info_requests_; |
| |
| base::WeakPtrFactory<VideoCaptureDeviceFactoryFuchsia> weak_factory_{this}; |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_CAPTURE_VIDEO_FUCHSIA_VIDEO_CAPTURE_DEVICE_FACTORY_FUCHSIA_H_ |