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/*
* Copyright (C) 2014 Igalia S.L.
* Copyright (C) 2016-2018 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#if ENABLE(MEDIA_STREAM)
#include "IdentifierTypes.h"
#include "SandboxExtension.h"
#include <WebCore/MediaCanStartListener.h>
#include <WebCore/MediaConstraints.h>
#include <WebCore/RealtimeMediaSourceCenter.h>
#include <WebCore/UserMediaClient.h>
#include <WebCore/UserMediaRequest.h>
#include <wtf/HashMap.h>
#include <wtf/Ref.h>
#include <wtf/RefPtr.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakRef.h>
namespace WebKit {
class WebPage;
class UserMediaPermissionRequestManager : public WebCore::MediaCanStartListener
#if USE(GSTREAMER)
, public WebCore::RealtimeMediaSourceCenterObserver
#endif
{
WTF_MAKE_TZONE_ALLOCATED(UserMediaPermissionRequestManager);
public:
USING_CAN_MAKE_WEAKPTR(WebCore::MediaCanStartListener);
explicit UserMediaPermissionRequestManager(WebPage&);
~UserMediaPermissionRequestManager() = default;
void ref() const final;
void deref() const final;
void startUserMediaRequest(WebCore::UserMediaRequest&);
void cancelUserMediaRequest(WebCore::UserMediaRequest&);
void userMediaAccessWasGranted(WebCore::UserMediaRequestIdentifier, WebCore::CaptureDevice&& audioDevice, WebCore::CaptureDevice&& videoDevice, WebCore::MediaDeviceHashSalts&&, CompletionHandler<void()>&&);
void userMediaAccessWasDenied(WebCore::UserMediaRequestIdentifier, WebCore::MediaAccessDenialReason, String&&, WebCore::MediaConstraintType);
void enumerateMediaDevices(WebCore::Document&, CompletionHandler<void(Vector<WebCore::CaptureDeviceWithCapabilities>&&, WebCore::MediaDeviceHashSalts&&)>&&);
WebCore::UserMediaClient::DeviceChangeObserverToken addDeviceChangeObserver(WTF::Function<void()>&&);
void removeDeviceChangeObserver(WebCore::UserMediaClient::DeviceChangeObserverToken);
void updateCaptureState(const WebCore::Document&, bool isActive, WebCore::MediaProducerMediaCaptureKind, CompletionHandler<void(std::optional<WebCore::Exception>&&)>&&);
void captureDevicesChanged();
private:
#if USE(GSTREAMER)
// WebCore::RealtimeMediaSourceCenterObserver
void devicesChanged() final;
void deviceWillBeRemoved(const String& persistentId) final { }
#endif
void sendUserMediaRequest(WebCore::UserMediaRequest&);
// WebCore::MediaCanStartListener
void mediaCanStart(WebCore::Document&) final;
Ref<WebPage> protectedPage() const;
WeakRef<WebPage> m_page;
HashMap<WebCore::UserMediaRequestIdentifier, Ref<WebCore::UserMediaRequest>> m_ongoingUserMediaRequests;
HashMap<RefPtr<WebCore::Document>, Vector<Ref<WebCore::UserMediaRequest>>> m_pendingUserMediaRequests;
HashMap<WebCore::UserMediaClient::DeviceChangeObserverToken, Function<void()>> m_deviceChangeObserverMap;
bool m_monitoringDeviceChange { false };
#if USE(GSTREAMER)
enum class ShouldNotify : bool { No, Yes };
void updateCaptureDevices(ShouldNotify);
Vector<WebCore::CaptureDevice> m_captureDevices;
#endif
};
} // namespace WebKit
namespace WTF {
} // namespace WTF
#endif // ENABLE(MEDIA_STREAM)
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