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/*
* Copyright (C) 2012 Google Inc. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "Page.h"
#include "UserMediaClient.h"
#include <wtf/CompletionHandler.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakHashSet.h>
namespace WebCore {
class Exception;
class UserMediaRequest;
class UserMediaController : public Supplement<Page> {
WTF_MAKE_TZONE_ALLOCATED(UserMediaController);
public:
explicit UserMediaController(UserMediaClient*);
~UserMediaController();
UserMediaClient* client() const { return m_client; }
void requestUserMediaAccess(UserMediaRequest&);
void cancelUserMediaAccessRequest(UserMediaRequest&);
void enumerateMediaDevices(Document&, UserMediaClient::EnumerateDevicesCallback&&);
UserMediaClient::DeviceChangeObserverToken addDeviceChangeObserver(Function<void()>&&);
void removeDeviceChangeObserver(UserMediaClient::DeviceChangeObserverToken);
void updateCaptureState(const Document&, bool isActive, MediaProducerMediaCaptureKind, CompletionHandler<void(std::optional<Exception>&&)>&&);
void logGetUserMediaDenial(Document&);
void logGetDisplayMediaDenial(Document&);
void logEnumerateDevicesDenial(Document&);
void setShouldListenToVoiceActivity(Document&, bool);
void checkDocumentForVoiceActivity(const Document*);
void voiceActivityDetected();
WEBCORE_EXPORT static ASCIILiteral supplementName();
static UserMediaController* from(Page* page) { return static_cast<UserMediaController*>(Supplement<Page>::from(page, supplementName())); }
private:
UserMediaClient* m_client;
WeakHashSet<Document, WeakPtrImplWithEventTargetData> m_voiceActivityDocuments;
bool m_shouldListenToVoiceActivity { false };
};
inline void UserMediaController::requestUserMediaAccess(UserMediaRequest& request)
{
m_client->requestUserMediaAccess(request);
}
inline void UserMediaController::cancelUserMediaAccessRequest(UserMediaRequest& request)
{
m_client->cancelUserMediaAccessRequest(request);
}
inline void UserMediaController::enumerateMediaDevices(Document& document, UserMediaClient::EnumerateDevicesCallback&& completionHandler)
{
m_client->enumerateMediaDevices(document, WTFMove(completionHandler));
}
inline UserMediaClient::DeviceChangeObserverToken UserMediaController::addDeviceChangeObserver(Function<void()>&& observer)
{
return m_client->addDeviceChangeObserver(WTFMove(observer));
}
inline void UserMediaController::removeDeviceChangeObserver(UserMediaClient::DeviceChangeObserverToken token)
{
m_client->removeDeviceChangeObserver(token);
}
inline void UserMediaController::updateCaptureState(const Document& document, bool isActive, MediaProducerMediaCaptureKind kind, CompletionHandler<void(std::optional<Exception>&&)>&& completionHandler)
{
m_client->updateCaptureState(document, isActive, kind, WTFMove(completionHandler));
}
} // namespace WebCore
#endif // ENABLE(MEDIA_STREAM)
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