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// 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 CONTENT_PUBLIC_BROWSER_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_
#define CONTENT_PUBLIC_BROWSER_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_
#include <memory>
#include <string>
#include "content/common/content_export.h"
#include "content/public/common/media_stream_request.h"
#include "media/capture/video/video_capture_device.h"
#include "media/capture/video/video_capture_device_info.h"
#include "media/capture/video/video_frame_receiver.h"
#include "media/capture/video_capture_types.h"
namespace content {
class LaunchedVideoCaptureDevice;
// Asynchronously launches video capture devices. After a call to
// LaunchDeviceAsync() it is illegal to call LaunchDeviceAsync() again until
// |callbacks| has been notified about the outcome of the asynchronous launch.
class CONTENT_EXPORT VideoCaptureDeviceLauncher {
public:
class CONTENT_EXPORT Callbacks {
public:
virtual ~Callbacks() {}
virtual void OnDeviceLaunched(
std::unique_ptr<LaunchedVideoCaptureDevice> device) = 0;
virtual void OnDeviceLaunchFailed(media::VideoCaptureError error) = 0;
virtual void OnDeviceLaunchAborted() = 0;
};
virtual ~VideoCaptureDeviceLauncher() {}
// Creates an InProcessVideoCaptureDeviceLauncher.
static std::unique_ptr<VideoCaptureDeviceLauncher>
CreateInProcessVideoCaptureDeviceLauncher(
scoped_refptr<base::SingleThreadTaskRunner> device_task_runner);
// The passed-in |done_cb| must guarantee that the context relevant
// during the asynchronous processing stays alive.
virtual void LaunchDeviceAsync(
const std::string& device_id,
MediaStreamType stream_type,
const media::VideoCaptureParams& params,
base::WeakPtr<media::VideoFrameReceiver> receiver,
base::OnceClosure connection_lost_cb,
Callbacks* callbacks,
base::OnceClosure done_cb) = 0;
virtual void AbortLaunch() = 0;
};
class CONTENT_EXPORT LaunchedVideoCaptureDevice
: public media::VideoFrameConsumerFeedbackObserver {
public:
// Device operation methods.
virtual void GetPhotoState(
media::VideoCaptureDevice::GetPhotoStateCallback callback) const = 0;
virtual void SetPhotoOptions(
media::mojom::PhotoSettingsPtr settings,
media::VideoCaptureDevice::SetPhotoOptionsCallback callback) = 0;
virtual void TakePhoto(
media::VideoCaptureDevice::TakePhotoCallback callback) = 0;
virtual void MaybeSuspendDevice() = 0;
virtual void ResumeDevice() = 0;
virtual void RequestRefreshFrame() = 0;
// Methods for specific types of devices.
virtual void SetDesktopCaptureWindowIdAsync(gfx::NativeViewId window_id,
base::OnceClosure done_cb) = 0;
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_VIDEO_CAPTURE_DEVICE_LAUNCHER_H_