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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/macros.h" | 5 #include "base/macros.h" |
6 #include "chrome/browser/speech/tts_platform.h" | 6 #include "chrome/browser/speech/tts_platform.h" |
7 #include "components/arc/arc_bridge_service.h" | 7 #include "components/arc/arc_bridge_service.h" |
8 #include "components/arc/common/tts.mojom.h" | 8 #include "components/arc/common/tts.mojom.h" |
9 #include "content/public/browser/browser_thread.h" | 9 #include "content/public/browser/browser_thread.h" |
10 | 10 |
11 namespace { | 11 namespace { |
12 | 12 |
| 13 // For Speak and Stop. |
| 14 constexpr uint32_t kDefaultMinVersion = 0; |
| 15 |
13 // Helper returning an ARC tts instance. | 16 // Helper returning an ARC tts instance. |
14 arc::mojom::TtsInstance* GetArcTts() { | 17 arc::mojom::TtsInstance* GetArcTts(const std::string& method_name_for_logging, |
| 18 uint32_t min_version) { |
15 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); | 19 DCHECK_CURRENTLY_ON(content::BrowserThread::UI); |
16 return arc::ArcBridgeService::Get() | 20 return arc::ArcBridgeService::Get() |
17 ? arc::ArcBridgeService::Get()->tts()->instance() | 21 ? arc::ArcBridgeService::Get()->tts()->GetInstanceForMethod( |
| 22 method_name_for_logging, min_version) |
18 : nullptr; | 23 : nullptr; |
19 } | 24 } |
20 | 25 |
21 } // namespace | 26 } // namespace |
22 | 27 |
23 // This class includes extension-based tts through LoadBuiltInTtsExtension and | 28 // This class includes extension-based tts through LoadBuiltInTtsExtension and |
24 // native tts through ARC. | 29 // native tts through ARC. |
25 class TtsPlatformImplChromeOs : public TtsPlatformImpl { | 30 class TtsPlatformImplChromeOs : public TtsPlatformImpl { |
26 public: | 31 public: |
27 // TtsPlatformImpl overrides: | 32 // TtsPlatformImpl overrides: |
28 bool PlatformImplAvailable() override { return GetArcTts() != nullptr; } | 33 bool PlatformImplAvailable() override { |
| 34 return arc::ArcBridgeService::Get() && |
| 35 arc::ArcBridgeService::Get()->tts()->has_instance(); |
| 36 } |
29 | 37 |
30 bool LoadBuiltInTtsExtension( | 38 bool LoadBuiltInTtsExtension( |
31 content::BrowserContext* browser_context) override { | 39 content::BrowserContext* browser_context) override { |
32 TtsEngineDelegate* tts_engine_delegate = | 40 TtsEngineDelegate* tts_engine_delegate = |
33 TtsController::GetInstance()->GetTtsEngineDelegate(); | 41 TtsController::GetInstance()->GetTtsEngineDelegate(); |
34 if (tts_engine_delegate) | 42 if (tts_engine_delegate) |
35 return tts_engine_delegate->LoadBuiltInTtsExtension(browser_context); | 43 return tts_engine_delegate->LoadBuiltInTtsExtension(browser_context); |
36 return false; | 44 return false; |
37 } | 45 } |
38 | 46 |
39 bool Speak(int utterance_id, | 47 bool Speak(int utterance_id, |
40 const std::string& utterance, | 48 const std::string& utterance, |
41 const std::string& lang, | 49 const std::string& lang, |
42 const VoiceData& voice, | 50 const VoiceData& voice, |
43 const UtteranceContinuousParameters& params) override { | 51 const UtteranceContinuousParameters& params) override { |
44 arc::mojom::TtsInstance* tts = GetArcTts(); | 52 arc::mojom::TtsInstance* tts = GetArcTts("Speak", kDefaultMinVersion); |
45 if (!tts) | 53 if (!tts) |
46 return false; | 54 return false; |
47 | 55 |
48 arc::mojom::TtsUtterancePtr arc_utterance = arc::mojom::TtsUtterance::New(); | 56 arc::mojom::TtsUtterancePtr arc_utterance = arc::mojom::TtsUtterance::New(); |
49 arc_utterance->utteranceId = utterance_id; | 57 arc_utterance->utteranceId = utterance_id; |
50 arc_utterance->text = utterance; | 58 arc_utterance->text = utterance; |
51 arc_utterance->rate = params.rate; | 59 arc_utterance->rate = params.rate; |
52 arc_utterance->pitch = params.pitch; | 60 arc_utterance->pitch = params.pitch; |
53 tts->Speak(std::move(arc_utterance)); | 61 tts->Speak(std::move(arc_utterance)); |
54 return true; | 62 return true; |
55 } | 63 } |
56 | 64 |
57 bool StopSpeaking() override { | 65 bool StopSpeaking() override { |
58 arc::mojom::TtsInstance* tts = GetArcTts(); | 66 arc::mojom::TtsInstance* tts = GetArcTts("Stop", kDefaultMinVersion); |
59 if (!tts) | 67 if (!tts) |
60 return false; | 68 return false; |
61 | 69 |
62 tts->Stop(); | 70 tts->Stop(); |
63 return true; | 71 return true; |
64 } | 72 } |
65 | 73 |
66 void GetVoices(std::vector<VoiceData>* out_voices) override { | 74 void GetVoices(std::vector<VoiceData>* out_voices) override { |
67 out_voices->push_back(VoiceData()); | 75 out_voices->push_back(VoiceData()); |
68 VoiceData& voice = out_voices->back(); | 76 VoiceData& voice = out_voices->back(); |
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92 // static | 100 // static |
93 TtsPlatformImpl* TtsPlatformImpl::GetInstance() { | 101 TtsPlatformImpl* TtsPlatformImpl::GetInstance() { |
94 return TtsPlatformImplChromeOs::GetInstance(); | 102 return TtsPlatformImplChromeOs::GetInstance(); |
95 } | 103 } |
96 | 104 |
97 // static | 105 // static |
98 TtsPlatformImplChromeOs* | 106 TtsPlatformImplChromeOs* |
99 TtsPlatformImplChromeOs::GetInstance() { | 107 TtsPlatformImplChromeOs::GetInstance() { |
100 return base::Singleton<TtsPlatformImplChromeOs>::get(); | 108 return base::Singleton<TtsPlatformImplChromeOs>::get(); |
101 } | 109 } |
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