| /* |
| * 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. |
| */ |
| |
| #include "config.h" |
| #if ENABLE(WEB_AUDIO) |
| #include "AudioWorkletMessagingProxy.h" |
| |
| #include "AudioWorklet.h" |
| #include "AudioWorkletGlobalScope.h" |
| #include "AudioWorkletThread.h" |
| #include "BaseAudioContext.h" |
| #include "CacheStorageConnection.h" |
| #include "Document.h" |
| #include "Frame.h" |
| #include "LibWebRTCProvider.h" |
| #include "Page.h" |
| #include "Settings.h" |
| #include "WorkletParameters.h" |
| #include "WorkletPendingTasks.h" |
| |
| namespace WebCore { |
| |
| static WorkletParameters generateWorkletParameters(AudioWorklet& worklet) |
| { |
| auto* document = worklet.document(); |
| auto jsRuntimeFlags = document->settings().javaScriptRuntimeFlags(); |
| |
| return { |
| document->url(), |
| jsRuntimeFlags, |
| worklet.audioContext() ? worklet.audioContext()->sampleRate() : 0.0f, |
| worklet.identifier(), |
| document->settingsValues(), |
| worklet.audioContext() ? !worklet.audioContext()->isOfflineContext() : false |
| }; |
| } |
| |
| AudioWorkletMessagingProxy::AudioWorkletMessagingProxy(AudioWorklet& worklet) |
| : m_worklet(worklet) |
| , m_document(*worklet.document()) |
| , m_workletThread(AudioWorkletThread::create(*this, generateWorkletParameters(worklet))) |
| { |
| ASSERT(isMainThread()); |
| |
| m_workletThread->start(); |
| } |
| |
| AudioWorkletMessagingProxy::~AudioWorkletMessagingProxy() |
| { |
| m_workletThread->stop(); |
| } |
| |
| bool AudioWorkletMessagingProxy::postTaskForModeToWorkletGlobalScope(ScriptExecutionContext::Task&& task, const String& mode) |
| { |
| m_workletThread->runLoop().postTaskForMode(WTFMove(task), mode); |
| return true; |
| } |
| |
| RefPtr<CacheStorageConnection> AudioWorkletMessagingProxy::createCacheStorageConnection() |
| { |
| ASSERT_NOT_REACHED(); |
| return nullptr; |
| } |
| |
| RefPtr<RTCDataChannelRemoteHandlerConnection> AudioWorkletMessagingProxy::createRTCDataChannelRemoteHandlerConnection() |
| { |
| ASSERT(isMainThread()); |
| if (!m_document->page()) |
| return nullptr; |
| return m_document->page()->libWebRTCProvider().createRTCDataChannelRemoteHandlerConnection(); |
| } |
| |
| void AudioWorkletMessagingProxy::postTaskToLoader(ScriptExecutionContext::Task&& task) |
| { |
| m_document->postTask(WTFMove(task)); |
| } |
| |
| bool AudioWorkletMessagingProxy::postTaskForModeToWorkerOrWorkletGlobalScope(ScriptExecutionContext::Task&& task, const String& mode) |
| { |
| return postTaskForModeToWorkletGlobalScope(WTFMove(task), mode); |
| } |
| |
| void AudioWorkletMessagingProxy::postTaskToAudioWorklet(Function<void(AudioWorklet&)>&& task) |
| { |
| m_document->postTask([this, protectedThis = Ref { *this }, task = WTFMove(task)](ScriptExecutionContext&) { |
| if (m_worklet) |
| task(*m_worklet); |
| }); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEB_AUDIO) |