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/*
* Copyright (C) 2025 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(VIDEO) || ENABLE(WEB_AUDIO)
#include "MessageReceiver.h"
#include "MessageSender.h"
#include "RemoteMediaSessionState.h"
#include "SharedPreferencesForWebProcess.h"
#include "WebPageProxyIdentifier.h"
#include <WebCore/MediaSessionIdentifier.h>
#include <WebCore/PageIdentifier.h>
#include <WebCore/PlatformMediaSessionManager.h>
#include <wtf/HashMap.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/Vector.h>
#include <wtf/WeakListHashSet.h>
namespace WebKit {
class WebPage;
class RemoteMediaSessionManager
: public WebCore::PlatformMediaSessionManager
, public IPC::MessageReceiver
, public IPC::MessageSender {
WTF_MAKE_TZONE_ALLOCATED(RemoteMediaSessionManager);
public:
static RefPtr<RemoteMediaSessionManager> create(WebPage& topPage, WebPage& localPage);
virtual ~RemoteMediaSessionManager();
void ref() const final { ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr::ref(); }
void deref() const final { ThreadSafeRefCountedAndCanMakeThreadSafeWeakPtr::deref(); }
protected:
RemoteMediaSessionManager(WebPage& topPage, WebPage& localPage);
void addSession(WebCore::PlatformMediaSessionInterface&) final;
void removeSession(WebCore::PlatformMediaSessionInterface&) final;
void setCurrentSession(WebCore::PlatformMediaSessionInterface&) final;
void clientShouldResumeAutoplaying(WebCore::MediaSessionIdentifier);
void clientMayResumePlayback(WebCore::MediaSessionIdentifier, bool);
void clientShouldSuspendPlayback(WebCore::MediaSessionIdentifier);
void clientSetShouldPlayToPlaybackTarget(WebCore::MediaSessionIdentifier, bool);
void clientDidReceiveRemoteControlCommand(WebCore::MediaSessionIdentifier, WebCore::PlatformMediaSessionRemoteControlCommandType, WebCore::PlatformMediaSessionRemoteCommandArgument);
void didReceiveMessage(IPC::Connection&, IPC::Decoder&);
// IPC::MessageSender.
IPC::Connection* messageSenderConnection() const final;
uint64_t messageSenderDestinationID() const final;
std::optional<SharedPreferencesForWebProcess> sharedPreferencesForWebProcess() const;
private:
RemoteMediaSessionState& currentSessionState(const WebCore::PlatformMediaSessionInterface&);
RemoteMediaSessionState fullSessionState(const WebCore::PlatformMediaSessionInterface&);
void updateCachedSessionState(const WebCore::PlatformMediaSessionInterface&, RemoteMediaSessionState&);
void updateSessionState() final;
RefPtr<WebCore::PlatformMediaSessionInterface> sessionWithIdentifier(WebCore::MediaSessionIdentifier);
WeakPtr<WebPage> m_topPage;
WeakPtr<WebPage> m_localPage;
WebCore::PageIdentifier m_topPageID;
WebCore::PageIdentifier m_localPageID;
HashMap<WebCore::MediaSessionIdentifier, UniqueRef<RemoteMediaSessionState>> m_cachedSessionState;
};
} // namespace WebKit
#endif // ENABLE(VIDEO) || ENABLE(WEB_AUDIO)
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