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1 /* | 1 /* |
2 * Copyright (C) 2013 Apple Computer, Inc. All rights reserved. | 2 * Copyright (C) 2013 Apple Computer, Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef PlatformSpeechSynthesisUtterance_h | 26 #ifndef PlatformSpeechSynthesisUtterance_h |
27 #define PlatformSpeechSynthesisUtterance_h | 27 #define PlatformSpeechSynthesisUtterance_h |
28 | 28 |
29 #include "platform/PlatformExport.h" | 29 #include "platform/PlatformExport.h" |
30 #include "platform/heap/Handle.h" | 30 #include "platform/heap/Handle.h" |
31 #include "platform/speech/PlatformSpeechSynthesisVoice.h" | 31 #include "platform/speech/PlatformSpeechSynthesisVoice.h" |
| 32 #include "wtf/MathExtras.h" |
32 #include "wtf/text/WTFString.h" | 33 #include "wtf/text/WTFString.h" |
33 | 34 |
34 namespace blink { | 35 namespace blink { |
35 | 36 |
36 class PlatformSpeechSynthesisUtteranceClient : public GarbageCollectedMixin { | 37 class PlatformSpeechSynthesisUtteranceClient : public GarbageCollectedMixin { |
37 public: | 38 public: |
38 // Implement methods as needed. | 39 // Implement methods as needed. |
39 protected: | 40 protected: |
40 virtual ~PlatformSpeechSynthesisUtteranceClient() { } | 41 virtual ~PlatformSpeechSynthesisUtteranceClient() { } |
41 }; | 42 }; |
42 | 43 |
43 class PLATFORM_EXPORT PlatformSpeechSynthesisUtterance final : public GarbageCol
lectedFinalized<PlatformSpeechSynthesisUtterance> { | 44 class PLATFORM_EXPORT PlatformSpeechSynthesisUtterance final : public GarbageCol
lectedFinalized<PlatformSpeechSynthesisUtterance> { |
44 public: | 45 public: |
45 static PlatformSpeechSynthesisUtterance* create(PlatformSpeechSynthesisUtter
anceClient*); | 46 static PlatformSpeechSynthesisUtterance* create(PlatformSpeechSynthesisUtter
anceClient*); |
46 | 47 |
47 const String& text() const { return m_text; } | 48 const String& text() const { return m_text; } |
48 void setText(const String& text) { m_text = text; } | 49 void setText(const String& text) { m_text = text; } |
49 | 50 |
50 const String& lang() const { return m_lang; } | 51 const String& lang() const { return m_lang; } |
51 void setLang(const String& lang) { m_lang = lang; } | 52 void setLang(const String& lang) { m_lang = lang; } |
52 | 53 |
53 PlatformSpeechSynthesisVoice* voice() const { return m_voice; } | 54 PlatformSpeechSynthesisVoice* voice() const { return m_voice; } |
54 void setVoice(PlatformSpeechSynthesisVoice* voice) { m_voice = voice; } | 55 void setVoice(PlatformSpeechSynthesisVoice* voice) { m_voice = voice; } |
55 | 56 |
56 // Range = [0, 1] where 1 is the default. | 57 // Range = [0, 1] where 1 is the default. |
57 float volume() const { return m_volume; } | 58 float volume() const { return m_volume; } |
58 void setVolume(float volume) { m_volume = std::max(std::min(1.0f, volume), 0
.0f); } | 59 void setVolume(float volume) { m_volume = clampTo(volume, 0.0f, 1.0f); } |
59 | 60 |
60 // Range = [0.1, 10] where 1 is the default. | 61 // Range = [0.1, 10] where 1 is the default. |
61 float rate() const { return m_rate; } | 62 float rate() const { return m_rate; } |
62 void setRate(float rate) { m_rate = std::max(std::min(10.0f, rate), 0.1f); } | 63 void setRate(float rate) { m_rate = clampTo(rate, 0.1f, 10.0f); } |
63 | 64 |
64 // Range = [0, 2] where 1 is the default. | 65 // Range = [0, 2] where 1 is the default. |
65 float pitch() const { return m_pitch; } | 66 float pitch() const { return m_pitch; } |
66 void setPitch(float pitch) { m_pitch = std::max(std::min(2.0f, pitch), 0.0f)
; } | 67 void setPitch(float pitch) { m_pitch = clampTo(pitch, 0.0f, 2.0f); } |
67 | 68 |
68 double startTime() const { return m_startTime; } | 69 double startTime() const { return m_startTime; } |
69 void setStartTime(double startTime) { m_startTime = startTime; } | 70 void setStartTime(double startTime) { m_startTime = startTime; } |
70 | 71 |
71 PlatformSpeechSynthesisUtteranceClient* client() const { return m_client; } | 72 PlatformSpeechSynthesisUtteranceClient* client() const { return m_client; } |
72 | 73 |
73 DECLARE_TRACE(); | 74 DECLARE_TRACE(); |
74 | 75 |
75 private: | 76 private: |
76 explicit PlatformSpeechSynthesisUtterance(PlatformSpeechSynthesisUtteranceCl
ient*); | 77 explicit PlatformSpeechSynthesisUtterance(PlatformSpeechSynthesisUtteranceCl
ient*); |
77 | 78 |
78 Member<PlatformSpeechSynthesisUtteranceClient> m_client; | 79 Member<PlatformSpeechSynthesisUtteranceClient> m_client; |
79 String m_text; | 80 String m_text; |
80 String m_lang; | 81 String m_lang; |
81 Member<PlatformSpeechSynthesisVoice> m_voice; | 82 Member<PlatformSpeechSynthesisVoice> m_voice; |
82 float m_volume; | 83 float m_volume; |
83 float m_rate; | 84 float m_rate; |
84 float m_pitch; | 85 float m_pitch; |
85 double m_startTime; | 86 double m_startTime; |
86 }; | 87 }; |
87 | 88 |
88 } // namespace blink | 89 } // namespace blink |
89 | 90 |
90 #endif // PlatformSpeechSynthesisUtterance_h | 91 #endif // PlatformSpeechSynthesisUtterance_h |
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