1 /* 2 * Copyright (C) 2013 Apple Computer, 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 #ifndef PlatformSpeechSynthesisUtterance_h 27 #define PlatformSpeechSynthesisUtterance_h 28 29 #include "platform/PlatformExport.h" 30 #include "platform/heap/Handle.h" 31 #include "platform/speech/PlatformSpeechSynthesisVoice.h" 32 #include "wtf/text/WTFString.h" 33 34 namespace WebCore { 35 36 class PlatformSpeechSynthesisUtteranceClient : public GarbageCollectedMixin { 37 public: 38 // Implement methods as needed. 39 protected: 40 virtual ~PlatformSpeechSynthesisUtteranceClient() { } 41 }; 42 43 class PLATFORM_EXPORT PlatformSpeechSynthesisUtterance FINAL : public GarbageCollectedFinalized<PlatformSpeechSynthesisUtterance> { 44 public: 45 static PlatformSpeechSynthesisUtterance* create(PlatformSpeechSynthesisUtteranceClient*); 46 47 const String& text() const { return m_text; } 48 void setText(const String& text) { m_text = text; } 49 50 const String& lang() const { return m_lang; } 51 void setLang(const String& lang) { m_lang = lang; } 52 53 PlatformSpeechSynthesisVoice* voice() const { return m_voice; } 54 void setVoice(PlatformSpeechSynthesisVoice* voice) { m_voice = voice; } 55 56 // Range = [0, 1] where 1 is the default. 57 float volume() const { return m_volume; } 58 void setVolume(float volume) { m_volume = std::max(std::min(1.0f, volume), 0.0f); } 59 60 // Range = [0.1, 10] where 1 is the default. 61 float rate() const { return m_rate; } 62 void setRate(float rate) { m_rate = std::max(std::min(10.0f, rate), 0.1f); } 63 64 // Range = [0, 2] where 1 is the default. 65 float pitch() const { return m_pitch; } 66 void setPitch(float pitch) { m_pitch = std::max(std::min(2.0f, pitch), 0.0f); } 67 68 double startTime() const { return m_startTime; } 69 void setStartTime(double startTime) { m_startTime = startTime; } 70 71 PlatformSpeechSynthesisUtteranceClient* client() const { return m_client; } 72 73 void trace(Visitor*); 74 75 private: 76 explicit PlatformSpeechSynthesisUtterance(PlatformSpeechSynthesisUtteranceClient*); 77 78 Member<PlatformSpeechSynthesisUtteranceClient> m_client; 79 String m_text; 80 String m_lang; 81 Member<PlatformSpeechSynthesisVoice> m_voice; 82 float m_volume; 83 float m_rate; 84 float m_pitch; 85 double m_startTime; 86 }; 87 88 } // namespace WebCore 89 90 #endif // PlatformSpeechSynthesisUtterance_h 91
