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Side by Side Diff: content/browser/speech/speech_input_manager.h

Issue 7729001: Get rid of link dependency from content to chrome. Make it get the SpeechInputManager through the... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 3 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 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 #ifndef CONTENT_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_ 5 #ifndef CONTENT_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_
6 #define CONTENT_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_ 6 #define CONTENT_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
9 #include "content/common/speech_input_result.h" 9 #include "content/common/speech_input_result.h"
10 #include "ui/gfx/rect.h" 10 #include "ui/gfx/rect.h"
11 11
12 namespace speech_input { 12 namespace speech_input {
13 13
14 // This is the gatekeeper for speech recognition in the browser process. It 14 // This is the gatekeeper for speech recognition in the browser process. It
15 // handles requests received from various render views and makes sure only one 15 // handles requests received from various render views and makes sure only one
16 // of them can use speech recognition at a time. It also sends recognition 16 // of them can use speech recognition at a time. It also sends recognition
17 // results and status events to the render views when required. 17 // results and status events to the render views when required.
18 // This class is a singleton and accessed via the Get method. 18 // This class is a singleton and accessed via the Get method.
Satish 2011/08/25 09:08:52 Need to update this comment since the Get() method
jam 2011/08/25 16:36:43 done (moved it to the chrome impl)
19 class SpeechInputManager { 19 class SpeechInputManager {
20 public: 20 public:
21 // Implemented by the dispatcher host to relay events to the render views. 21 // Implemented by the dispatcher host to relay events to the render views.
22 class Delegate { 22 class Delegate {
23 public: 23 public:
24 virtual void SetRecognitionResult( 24 virtual void SetRecognitionResult(
25 int caller_id, 25 int caller_id,
26 const SpeechInputResultArray& result) = 0; 26 const SpeechInputResultArray& result) = 0;
27 virtual void DidCompleteRecording(int caller_id) = 0; 27 virtual void DidCompleteRecording(int caller_id) = 0;
28 virtual void DidCompleteRecognition(int caller_id) = 0; 28 virtual void DidCompleteRecognition(int caller_id) = 0;
29 29
30 protected: 30 protected:
31 virtual ~Delegate() {} 31 virtual ~Delegate() {}
32 }; 32 };
33 33
34 SpeechInputManager() : censor_results_(true) {} 34 SpeechInputManager();
35 35
36 // Invokes the platform provided microphone settings UI in a non-blocking way, 36 // Invokes the platform provided microphone settings UI in a non-blocking way,
37 // via the BrowserThread::FILE thread. 37 // via the BrowserThread::FILE thread.
38 static void ShowAudioInputSettings(); 38 static void ShowAudioInputSettings();
39 39
40 // Factory method to access the singleton. We have this method here instead of 40 virtual ~SpeechInputManager();
41 // using Singleton directly in the calling code to aid tests in injection
42 // mocks.
43 static SpeechInputManager* Get();
44 // Factory method definition useful for tests.
45 typedef SpeechInputManager* (AccessorMethod)();
46
47 virtual ~SpeechInputManager() {}
48 41
49 // Handlers for requests from render views. 42 // Handlers for requests from render views.
50 43
51 // |delegate| is a weak pointer and should remain valid until 44 // |delegate| is a weak pointer and should remain valid until
52 // its |DidCompleteRecognition| method is called or recognition is cancelled. 45 // its |DidCompleteRecognition| method is called or recognition is cancelled.
53 // |render_process_id| is the ID of the renderer process initiating the 46 // |render_process_id| is the ID of the renderer process initiating the
54 // request. 47 // request.
55 // |element_rect| is the display bounds of the html element requesting speech 48 // |element_rect| is the display bounds of the html element requesting speech
56 // input (in page coordinates). 49 // input (in page coordinates).
57 virtual void StartRecognition(Delegate* delegate, 50 virtual void StartRecognition(Delegate* delegate,
58 int caller_id, 51 int caller_id,
59 int render_process_id, 52 int render_process_id,
60 int render_view_id, 53 int render_view_id,
61 const gfx::Rect& element_rect, 54 const gfx::Rect& element_rect,
62 const std::string& language, 55 const std::string& language,
63 const std::string& grammar, 56 const std::string& grammar,
64 const std::string& origin_url) = 0; 57 const std::string& origin_url) = 0;
65 virtual void CancelRecognition(int caller_id) = 0; 58 virtual void CancelRecognition(int caller_id) = 0;
66 virtual void StopRecording(int caller_id) = 0; 59 virtual void StopRecording(int caller_id) = 0;
67 60
68 virtual void CancelAllRequestsWithDelegate(Delegate* delegate) = 0; 61 virtual void CancelAllRequestsWithDelegate(Delegate* delegate) = 0;
69 62
70 void set_censor_results(bool censor) { censor_results_ = censor; } 63 void set_censor_results(bool censor) { censor_results_ = censor; }
71 64
72 bool censor_results() { return censor_results_; } 65 bool censor_results() { return censor_results_; }
66
73 private: 67 private:
74 bool censor_results_; 68 bool censor_results_;
75 }; 69 };
76 70
77 // This typedef is to workaround the issue with certain versions of 71 // This typedef is to workaround the issue with certain versions of
78 // Visual Studio where it gets confused between multiple Delegate 72 // Visual Studio where it gets confused between multiple Delegate
79 // classes and gives a C2500 error. (I saw this error on the try bots - 73 // classes and gives a C2500 error. (I saw this error on the try bots -
80 // the workaround was not needed for my machine). 74 // the workaround was not needed for my machine).
81 typedef SpeechInputManager::Delegate SpeechInputManagerDelegate; 75 typedef SpeechInputManager::Delegate SpeechInputManagerDelegate;
82 76
83 } // namespace speech_input 77 } // namespace speech_input
84 78
85 #endif // CONTENT_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_ 79 #endif // CONTENT_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_
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