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      1 /*
      2  * Copyright (C) 2013 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "modules/speech/SpeechSynthesisUtterance.h"
     28 
     29 namespace WebCore {
     30 
     31 PassRefPtr<SpeechSynthesisUtterance> SpeechSynthesisUtterance::create(ExecutionContext* context, const String& text)
     32 {
     33     return adoptRef(new SpeechSynthesisUtterance(context, text));
     34 }
     35 
     36 SpeechSynthesisUtterance::SpeechSynthesisUtterance(ExecutionContext* context, const String& text)
     37     : ContextLifecycleObserver(context)
     38     , m_platformUtterance(PlatformSpeechSynthesisUtterance::create(this))
     39 {
     40     ScriptWrappable::init(this);
     41     m_platformUtterance->setText(text);
     42 }
     43 
     44 SpeechSynthesisUtterance::~SpeechSynthesisUtterance()
     45 {
     46     m_platformUtterance->setClient(0);
     47 }
     48 
     49 ExecutionContext* SpeechSynthesisUtterance::executionContext() const
     50 {
     51     return ContextLifecycleObserver::executionContext();
     52 }
     53 
     54 const AtomicString& SpeechSynthesisUtterance::interfaceName() const
     55 {
     56     return EventTargetNames::SpeechSynthesisUtterance;
     57 }
     58 
     59 SpeechSynthesisVoice* SpeechSynthesisUtterance::voice() const
     60 {
     61     return m_voice.get();
     62 }
     63 
     64 void SpeechSynthesisUtterance::setVoice(SpeechSynthesisVoice* voice)
     65 {
     66     // Cache our own version of the SpeechSynthesisVoice so that we don't have to do some lookup
     67     // to go from the platform voice back to the speech synthesis voice in the read property.
     68     m_voice = voice;
     69 
     70     if (voice)
     71         m_platformUtterance->setVoice(voice->platformVoice());
     72 }
     73 
     74 } // namespace WebCore
     75