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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.
*/
#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 "Page.h"
#include "Settings.h"
#include "WebRTCProvider.h"
#include "WorkletParameters.h"
#include "WorkletPendingTasks.h"
namespace WebCore {
static WorkletParameters generateWorkletParameters(AudioWorklet& worklet)
{
auto* document = worklet.document();
auto jsRuntimeFlags = document->settings().javaScriptRuntimeFlags();
RELEASE_ASSERT(document->sessionID());
return {
document->url(),
jsRuntimeFlags,
worklet.audioContext() ? worklet.audioContext()->sampleRate() : 0.0f,
worklet.identifier(),
*document->sessionID(),
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()->webRTCProvider().createRTCDataChannelRemoteHandlerConnection();
}
void AudioWorkletMessagingProxy::postTaskToLoader(ScriptExecutionContext::Task&& task)
{
m_document->postTask(WTFMove(task));
}
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)
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