/* * 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 : public WorkletGlobalScopeProxy, public WorkerLoaderProxy { 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&)>&&); private: explicit AudioWorkletMessagingProxy(AudioWorklet&); // WorkerLoaderProxy. RefPtr<CacheStorageConnection> createCacheStorageConnection() final; void postTaskToLoader(ScriptExecutionContext::Task&&) final; bool postTaskForModeToWorkerOrWorkletGlobalScope(ScriptExecutionContext::Task&&, const String& mode) 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)