Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(92)

Side by Side Diff: chrome/browser/speech/speech_input_bubble_controller.h

Issue 9568002: Renamed speech input implementation from to speech_recognition_*. The namespace has been renamed fr… (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: Rebased from master. Created 8 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
(Empty)
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
3 // found in the LICENSE file.
4
5 #ifndef CHROME_BROWSER_SPEECH_SPEECH_INPUT_BUBBLE_CONTROLLER_H_
6 #define CHROME_BROWSER_SPEECH_SPEECH_INPUT_BUBBLE_CONTROLLER_H_
7
8 #include <map>
9
10 #include "base/basictypes.h"
11 #include "base/memory/ref_counted.h"
12 #include "base/memory/scoped_ptr.h"
13 #include "chrome/browser/speech/speech_input_bubble.h"
14 #include "content/public/browser/notification_observer.h"
15
16 namespace gfx {
17 class Rect;
18 }
19
20 namespace content {
21 class NotificationRegistrar;
22 }
23
24 namespace speech_input {
25
26 // This class handles the speech input popup UI on behalf of SpeechInputManager.
27 // SpeechInputManager invokes methods in the IO thread and this class processes
28 // those requests in the UI thread. There could be multiple bubble objects alive
29 // at the same time but only one of them is visible to the user. User actions on
30 // that bubble are reported to the delegate.
31 class SpeechInputBubbleController
32 : public base::RefCountedThreadSafe<SpeechInputBubbleController>,
33 public SpeechInputBubbleDelegate,
34 public content::NotificationObserver {
35 public:
36 // All methods of this delegate are called in the IO thread.
37 class Delegate {
38 public:
39 // Invoked when the user clicks on a button in the speech input UI.
40 virtual void InfoBubbleButtonClicked(int caller_id,
41 SpeechInputBubble::Button button) = 0;
42
43 // Invoked when the user clicks outside the speech input info bubble causing
44 // it to close and input focus to change.
45 virtual void InfoBubbleFocusChanged(int caller_id) = 0;
46
47 protected:
48 virtual ~Delegate() {}
49 };
50
51 explicit SpeechInputBubbleController(Delegate* delegate);
52 virtual ~SpeechInputBubbleController();
53
54 // Creates a new speech input UI bubble. One of the SetXxxx methods below need
55 // to be called to specify what to display.
56 void CreateBubble(int caller_id,
57 int render_process_id,
58 int render_view_id,
59 const gfx::Rect& element_rect);
60
61 // Indicates to the user that audio hardware is warming up. This also makes
62 // the bubble visible if not already visible.
63 void SetBubbleWarmUpMode(int caller_id);
64
65 // Indicates to the user that audio recording is in progress. This also makes
66 // the bubble visible if not already visible.
67 void SetBubbleRecordingMode(int caller_id);
68
69 // Indicates to the user that recognition is in progress. If the bubble is
70 // hidden, |Show| must be called to make it appear on screen.
71 void SetBubbleRecognizingMode(int caller_id);
72
73 // Displays the given string with the 'Try again' and 'Cancel' buttons. If the
74 // bubble is hidden, |Show| must be called to make it appear on screen.
75 void SetBubbleMessage(int caller_id, const string16& text);
76
77 // Updates the current captured audio volume displayed on screen.
78 void SetBubbleInputVolume(int caller_id, float volume, float noise_volume);
79
80 void CloseBubble(int caller_id);
81
82 // SpeechInputBubble::Delegate methods.
83 virtual void InfoBubbleButtonClicked(
84 SpeechInputBubble::Button button) OVERRIDE;
85 virtual void InfoBubbleFocusChanged() OVERRIDE;
86
87 // content::NotificationObserver implementation.
88 virtual void Observe(int type,
89 const content::NotificationSource& source,
90 const content::NotificationDetails& details) OVERRIDE;
91
92 private:
93 // The various calls received by this object and handled in the UI thread.
94 enum RequestType {
95 REQUEST_SET_WARM_UP_MODE,
96 REQUEST_SET_RECORDING_MODE,
97 REQUEST_SET_RECOGNIZING_MODE,
98 REQUEST_SET_MESSAGE,
99 REQUEST_SET_INPUT_VOLUME,
100 REQUEST_CLOSE,
101 };
102
103 enum ManageSubscriptionAction {
104 BUBBLE_ADDED,
105 BUBBLE_REMOVED
106 };
107
108 void InvokeDelegateButtonClicked(int caller_id,
109 SpeechInputBubble::Button button);
110 void InvokeDelegateFocusChanged(int caller_id);
111 void ProcessRequestInUiThread(int caller_id,
112 RequestType type,
113 const string16& text,
114 float volume,
115 float noise_volume);
116
117 // Called whenever a bubble was added to or removed from the list. If the
118 // bubble was being added, this method registers for close notifications with
119 // the TabContents if this was the first bubble for the tab. Similarly if the
120 // bubble was being removed, this method unregisters from TabContents if this
121 // was the last bubble associated with that tab.
122 void UpdateTabContentsSubscription(int caller_id,
123 ManageSubscriptionAction action);
124
125 // Only accessed in the IO thread.
126 Delegate* delegate_;
127
128 // *** The following are accessed only in the UI thread.
129
130 // The caller id for currently visible bubble (since only one bubble is
131 // visible at any time).
132 int current_bubble_caller_id_;
133
134 // Map of caller-ids to bubble objects. The bubbles are weak pointers owned by
135 // this object and get destroyed by |CloseBubble|.
136 typedef std::map<int, SpeechInputBubble*> BubbleCallerIdMap;
137 BubbleCallerIdMap bubbles_;
138
139 scoped_ptr<content::NotificationRegistrar> registrar_;
140 };
141
142 // This typedef is to workaround the issue with certain versions of
143 // Visual Studio where it gets confused between multiple Delegate
144 // classes and gives a C2500 error. (I saw this error on the try bots -
145 // the workaround was not needed for my machine).
146 typedef SpeechInputBubbleController::Delegate
147 SpeechInputBubbleControllerDelegate;
148
149 } // namespace speech_input
150
151 #endif // CHROME_BROWSER_SPEECH_SPEECH_INPUT_BUBBLE_CONTROLLER_H_
OLDNEW
« no previous file with comments | « chrome/browser/speech/speech_input_bubble_browsertest.cc ('k') | chrome/browser/speech/speech_input_bubble_controller.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698