| // Copyright 2015 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 PPAPI_PROXY_CAMERA_DEVICE_RESOURCE_H_ |
| #define PPAPI_PROXY_CAMERA_DEVICE_RESOURCE_H_ |
| |
| #include "base/basictypes.h" |
| #include "ppapi/c/pp_size.h" |
| #include "ppapi/c/private/pp_video_capture_format.h" |
| #include "ppapi/proxy/connection.h" |
| #include "ppapi/proxy/plugin_resource.h" |
| #include "ppapi/proxy/ppapi_proxy_export.h" |
| #include "ppapi/shared_impl/resource.h" |
| #include "ppapi/thunk/ppb_camera_device_api.h" |
| |
| namespace ppapi { |
| namespace proxy { |
| |
| class CameraCapabilitiesResource; |
| |
| class PPAPI_PROXY_EXPORT CameraDeviceResource |
| : public PluginResource, |
| public thunk::PPB_CameraDevice_API { |
| public: |
| CameraDeviceResource(Connection connection, PP_Instance instance); |
| ~CameraDeviceResource() override; |
| |
| // Resource overrides: |
| thunk::PPB_CameraDevice_API* AsPPB_CameraDevice_API() override { |
| return this; |
| } |
| |
| // PPB_CameraDevice_API implementation. |
| int32_t Open(PP_Var device_id, |
| const scoped_refptr<TrackedCallback>& callback) override; |
| void Close() override; |
| int32_t GetCameraCapabilities( |
| PP_Resource* capabilities, |
| const scoped_refptr<TrackedCallback>& callback) override; |
| |
| private: |
| enum class OpenState { BEFORE_OPEN, OPENED, CLOSED }; |
| |
| void OnPluginMsgGetVideoCaptureFormatsReply( |
| PP_Resource* capabilities_output, |
| const ResourceMessageReplyParams& params, |
| const std::vector<PP_VideoCaptureFormat>& formats); |
| |
| void OnPluginMsgOpenReply(const ResourceMessageReplyParams& params); |
| |
| bool is_opened() const { return open_state_ == OpenState::OPENED; } |
| |
| // Holds a reference of the callback so that Close() can cancel it. |
| scoped_refptr<TrackedCallback> open_callback_; |
| OpenState open_state_; |
| |
| scoped_refptr<TrackedCallback> get_capabilities_callback_; |
| scoped_refptr<CameraCapabilitiesResource> camera_capabilities_; |
| |
| DISALLOW_COPY_AND_ASSIGN(CameraDeviceResource); |
| }; |
| |
| } // namespace proxy |
| } // namespace ppapi |
| |
| #endif // PPAPI_PROXY_CAMERA_DEVICE_RESOURCE_H_ |