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// 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_
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