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/*
* Copyright (C) 2020 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 Apple Inc. ("Apple") 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 APPLE 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 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(WEB_AUDIO)
#include "WorkerLoaderProxy.h"
#include "WorkletGlobalScopeProxy.h"
namespace WebCore {
class AudioWorklet;
class AudioWorkletThread;
class Document;
class AudioWorkletMessagingProxy final : public WorkletGlobalScopeProxy, public WorkerLoaderProxy, public CanMakeThreadSafeCheckedPtr<AudioWorkletMessagingProxy> {
WTF_MAKE_FAST_ALLOCATED;
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(AudioWorkletMessagingProxy);
public:
static Ref<AudioWorkletMessagingProxy> create(AudioWorklet& worklet)
{
return adoptRef(*new AudioWorkletMessagingProxy(worklet));
}
~AudioWorkletMessagingProxy();
// This method is used in the main thread to post task back to the worklet thread.
bool postTaskForModeToWorkletGlobalScope(ScriptExecutionContext::Task&&, const String& mode) final;
AudioWorkletThread& workletThread() { return m_workletThread.get(); }
void postTaskToAudioWorklet(Function<void(AudioWorklet&)>&&);
ScriptExecutionContextIdentifier loaderContextIdentifier() const final;
uint32_t checkedPtrCount() const final { return CanMakeThreadSafeCheckedPtr<AudioWorkletMessagingProxy>::checkedPtrCount(); }
uint32_t checkedPtrCountWithoutThreadCheck() const final { return CanMakeThreadSafeCheckedPtr<AudioWorkletMessagingProxy>::checkedPtrCountWithoutThreadCheck(); }
void incrementCheckedPtrCount() const final { CanMakeThreadSafeCheckedPtr<AudioWorkletMessagingProxy>::incrementCheckedPtrCount(); }
void decrementCheckedPtrCount() const final { CanMakeThreadSafeCheckedPtr<AudioWorkletMessagingProxy>::decrementCheckedPtrCount(); }
private:
explicit AudioWorkletMessagingProxy(AudioWorklet&);
// WorkerLoaderProxy.
RefPtr<CacheStorageConnection> createCacheStorageConnection() final;
RefPtr<RTCDataChannelRemoteHandlerConnection> createRTCDataChannelRemoteHandlerConnection() final;
void postTaskToLoader(ScriptExecutionContext::Task&&) final;
bool isAudioWorkletMessagingProxy() const final { return true; }
WeakPtr<AudioWorklet> m_worklet;
Ref<Document> m_document;
Ref<AudioWorkletThread> m_workletThread;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::AudioWorkletMessagingProxy)
static bool isType(const WebCore::WorkletGlobalScopeProxy& proxy) { return proxy.isAudioWorkletMessagingProxy(); }
SPECIALIZE_TYPE_TRAITS_END()
#endif // ENABLE(WEB_AUDIO)
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