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/*
* Copyright (C) 2019 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
* 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(SPEECH_SYNTHESIS)
#include <WebCore/PlatformSpeechSynthesisUtterance.h>
#include <WebCore/PlatformSpeechSynthesisVoice.h>
#include <WebCore/SpeechSynthesisClient.h>
#include <wtf/RefCounted.h>
#include <wtf/TZoneMalloc.h>
namespace WebKit {
class WebPage;
class WebSpeechSynthesisClient final : public RefCounted<WebSpeechSynthesisClient>, public WebCore::SpeechSynthesisClient {
WTF_MAKE_TZONE_ALLOCATED(WebSpeechSynthesisClient);
public:
static Ref<WebSpeechSynthesisClient> create(WebPage& webPage)
{
return adoptRef(*new WebSpeechSynthesisClient(webPage));
}
virtual ~WebSpeechSynthesisClient() { }
void ref() const final { RefCounted::ref(); }
void deref() const final { RefCounted::deref(); }
const Vector<RefPtr<WebCore::PlatformSpeechSynthesisVoice>>& voiceList() override;
void speak(RefPtr<WebCore::PlatformSpeechSynthesisUtterance>) override;
void cancel() override;
void pause() override;
void resume() override;
private:
explicit WebSpeechSynthesisClient(WebPage&);
void setObserver(WeakPtr<WebCore::SpeechSynthesisClientObserver> observer) override { m_observer = observer; }
WeakPtr<WebCore::SpeechSynthesisClientObserver> observer() const override { return m_observer; }
void resetState() override;
WebCore::SpeechSynthesisClientObserver* corePageObserver() const;
WeakPtr<WebPage> m_page;
WeakPtr<WebCore::SpeechSynthesisClientObserver> m_observer;
Vector<RefPtr<WebCore::PlatformSpeechSynthesisVoice>> m_voices;
};
} // namespace WebKit
#endif // ENABLE(SPEECH_SYNTHESIS)
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