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/*
* Copyright (C) 2018-2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(MEDIA_STREAM)
#include <wtf/CompletionHandler.h>
#include <wtf/WeakPtr.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class CaptureDevice;
class CaptureDeviceManager;
class DisplayCaptureManager;
class RealtimeMediaSource;
struct CaptureSourceOrError;
struct MediaConstraints;
class WEBCORE_EXPORT SingleSourceFactory {
public:
virtual ~SingleSourceFactory() = default;
virtual void setActiveSource(RealtimeMediaSource&);
virtual void unsetActiveSource(RealtimeMediaSource&);
virtual RealtimeMediaSource* activeSource() { return m_activeSource; }
private:
RealtimeMediaSource* m_activeSource { nullptr };
};
class AudioCaptureFactory
#if PLATFORM(IOS_FAMILY)
: public SingleSourceFactory
#endif
{
public:
virtual ~AudioCaptureFactory() = default;
virtual CaptureSourceOrError createAudioCaptureSource(const CaptureDevice&, String&&, const MediaConstraints*) = 0;
virtual CaptureDeviceManager& audioCaptureDeviceManager() = 0;
virtual const Vector<CaptureDevice>& speakerDevices() const = 0;
virtual void computeSpeakerDevices(CompletionHandler<void()>&& callback) const { callback(); }
class ExtensiveObserver : public CanMakeWeakPtr<ExtensiveObserver> { };
virtual void addExtensiveObserver(ExtensiveObserver&) { };
virtual void removeExtensiveObserver(ExtensiveObserver&) { };
protected:
AudioCaptureFactory() = default;
};
class VideoCaptureFactory
#if PLATFORM(IOS_FAMILY)
: public SingleSourceFactory
#endif
{
public:
virtual ~VideoCaptureFactory() = default;
virtual CaptureSourceOrError createVideoCaptureSource(const CaptureDevice&, String&&, const MediaConstraints*) = 0;
virtual CaptureDeviceManager& videoCaptureDeviceManager() = 0;
protected:
VideoCaptureFactory() = default;
};
class DisplayCaptureFactory
#if PLATFORM(IOS_FAMILY)
: public SingleSourceFactory
#endif
{
public:
virtual ~DisplayCaptureFactory() = default;
virtual CaptureSourceOrError createDisplayCaptureSource(const CaptureDevice&, String&&, const MediaConstraints*) = 0;
virtual DisplayCaptureManager& displayCaptureDeviceManager() = 0;
protected:
DisplayCaptureFactory() = default;
};
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)
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