OfflineAudioContext.cpp   [plain text]

/*
 * Copyright (C) 2012, Google Inc. All rights reserved.
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 *
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 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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#include "config.h"

#if ENABLE(WEB_AUDIO)

#include "OfflineAudioContext.h"

#include "Document.h"

namespace WebCore {

inline OfflineAudioContext::OfflineAudioContext(Document& document, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate)
    : AudioContext(document, numberOfChannels, numberOfFrames, sampleRate)
{
}

ExceptionOr<Ref<OfflineAudioContext>> OfflineAudioContext::create(ScriptExecutionContext& context, unsigned numberOfChannels, size_t numberOfFrames, float sampleRate)
{
    // FIXME: Add support for workers.
    if (!is<Document>(context))
        return Exception { NOT_SUPPORTED_ERR };
    if (!numberOfChannels || numberOfChannels > 10 || !numberOfFrames || !isSampleRateRangeGood(sampleRate))
        return Exception { SYNTAX_ERR };
    auto audioContext = adoptRef(*new OfflineAudioContext(downcast<Document>(context), numberOfChannels, numberOfFrames, sampleRate));
    audioContext->suspendIfNeeded();
    return WTFMove(audioContext);
}

} // namespace WebCore

#endif // ENABLE(WEB_AUDIO)