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/*
* Copyright (C) 2019 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(WIRELESS_PLAYBACK_TARGET)
#include "ActiveDOMObject.h"
#include "EventTarget.h"
#include "WebCoreOpaqueRoot.h"
#include <wtf/HashMap.h>
#include <wtf/LoggerHelper.h>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class DeferredPromise;
class HTMLMediaElement;
class MediaPlaybackTarget;
class Node;
class RemotePlaybackAvailabilityCallback;
class RemotePlayback final
: public RefCounted<RemotePlayback>
, public ActiveDOMObject
, public EventTarget
{
WTF_MAKE_ISO_ALLOCATED(RemotePlayback);
public:
static Ref<RemotePlayback> create(HTMLMediaElement&);
~RemotePlayback();
void watchAvailability(Ref<RemotePlaybackAvailabilityCallback>&&, Ref<DeferredPromise>&&);
void cancelWatchAvailability(std::optional<int32_t> id, Ref<DeferredPromise>&&);
void prompt(Ref<DeferredPromise>&&);
bool hasAvailabilityCallbacks() const;
void availabilityChanged(bool);
void playbackTargetPickerWasDismissed();
void shouldPlayToRemoteTargetChanged(bool);
void isPlayingToRemoteTargetChanged(bool);
enum class State {
Connecting,
Connected,
Disconnected,
};
State state() const { return m_state; }
void invalidate();
using RefCounted::ref;
using RefCounted::deref;
WebCoreOpaqueRoot opaqueRootConcurrently() const;
Node* ownerNode() const;
private:
explicit RemotePlayback(HTMLMediaElement&);
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
void setState(State);
void establishConnection();
void disconnect();
// ActiveDOMObject.
const char* activeDOMObjectName() const final;
// EventTarget.
EventTargetInterface eventTargetInterface() const final { return RemotePlaybackEventTargetInterfaceType; }
ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); }
#if !RELEASE_LOG_DISABLED
const Logger& logger() const { return m_logger.get(); }
const void* logIdentifier() const { return m_logIdentifier; }
WTFLogChannel& logChannel() const;
const char* logClassName() const { return "RemotePlayback"; }
Ref<const Logger> m_logger;
const void* m_logIdentifier { nullptr };
#endif
WeakPtr<HTMLMediaElement, WeakPtrImplWithEventTargetData> m_mediaElement;
uint32_t m_nextId { 0 };
using CallbackMap = HashMap<int32_t, Ref<RemotePlaybackAvailabilityCallback>>;
CallbackMap m_callbackMap;
using PromiseVector = Vector<Ref<DeferredPromise>>;
PromiseVector m_availabilityPromises;
PromiseVector m_cancelAvailabilityPromises;
PromiseVector m_promptPromises;
State m_state { State::Disconnected };
bool m_available { false };
};
}
#endif // ENABLE(WIRELESS_PLAYBACK_TARGET)
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