src/third_party/WebKit/Source/platform/exported/WebSpeechSynthesizerClientImpl.h

   1 /*
   2  * Copyright (C) 2013 Google 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  *  * Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  *  * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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 #ifndef WebSpeechSynthesizerClientImpl_h
  27 #define WebSpeechSynthesizerClientImpl_h
  28
  29 #include "platform/heap/Handle.h"
  30 #include "platform/speech/PlatformSpeechSynthesizer.h"
  31 #include "public/platform/WebSpeechSynthesisUtterance.h"
  32 #include "public/platform/WebSpeechSynthesisVoice.h"
  33 #include "public/platform/WebSpeechSynthesizerClient.h"
  34
  35 namespace blink {
  36
  37 class PlatformSpeechSynthesizer;
  38 class PlatformSpeechSynthesizerClient;
  39
  40 class WebSpeechSynthesizerClientImpl final : public GarbageCollectedFinalized<WebSpeechSynthesizerClientImpl>, public WebSpeechSynthesizerClient {
  41 public:
  42     WebSpeechSynthesizerClientImpl(PlatformSpeechSynthesizer*, PlatformSpeechSynthesizerClient*);
  43     virtual ~WebSpeechSynthesizerClientImpl();
  44
  45     virtual void setVoiceList(const WebVector<WebSpeechSynthesisVoice>& voices);
  46     virtual void didStartSpeaking(const WebSpeechSynthesisUtterance&);
  47     virtual void didFinishSpeaking(const WebSpeechSynthesisUtterance&);
  48     virtual void didPauseSpeaking(const WebSpeechSynthesisUtterance&);
  49     virtual void didResumeSpeaking(const WebSpeechSynthesisUtterance&);
  50     virtual void speakingErrorOccurred(const WebSpeechSynthesisUtterance&);
  51     virtual void wordBoundaryEventOccurred(const WebSpeechSynthesisUtterance&, unsigned charIndex);
  52     virtual void sentenceBoundaryEventOccurred(const WebSpeechSynthesisUtterance&, unsigned charIndex);
  53
  54     void trace(Visitor*);
  55
  56 private:
  57     Member<PlatformSpeechSynthesizer> m_synthesizer;
  58     Member<PlatformSpeechSynthesizerClient> m_client;
  59 };
  60
  61 } // namespace blink
  62
  63 #endif // WebSpeechSynthesizerClientImpl_h