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/*
* Copyright (C) 2011 Ericsson AB. All rights reserved.
* Copyright (C) 2016-2018 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.
* 3. Neither the name of Ericsson nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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/ObjectIdentifier.h>
namespace WebCore {
class CaptureDevice;
class Document;
class Page;
class UserMediaRequest;
class UserMediaClient {
public:
virtual void pageDestroyed() = 0;
virtual void requestUserMediaAccess(UserMediaRequest&) = 0;
virtual void cancelUserMediaAccessRequest(UserMediaRequest&) = 0;
virtual void enumerateMediaDevices(Document&, CompletionHandler<void(const Vector<CaptureDevice>&, const String&)>&&) = 0;
enum DeviceChangeObserverTokenType { };
using DeviceChangeObserverToken = ObjectIdentifier<DeviceChangeObserverTokenType>;
virtual DeviceChangeObserverToken addDeviceChangeObserver(WTF::Function<void()>&&) = 0;
virtual void removeDeviceChangeObserver(DeviceChangeObserverToken) = 0;
protected:
virtual ~UserMediaClient() = default;
};
WEBCORE_EXPORT void provideUserMediaTo(Page*, UserMediaClient*);
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)