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1 /* | 1 #include "../../../../public/webview/WebSpeechInputController.h" |
2 * Copyright (C) 2010 Google 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 are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #ifndef WebSpeechInputController_h | |
32 #define WebSpeechInputController_h | |
33 | |
34 #include "../../../../public/platform/WebCommon.h" | |
35 | |
36 namespace WebKit { | |
37 | |
38 struct WebRect; | |
39 class WebSecurityOrigin; | |
40 class WebString; | |
41 | |
42 // Provides an embedder API called by WebKit. | |
43 class WebSpeechInputController { | |
44 public: | |
45 // Starts speech recognition. Speech will get recorded until the endpointer
detects silence, | |
46 // runs to the limit or stopRecording is called. Progress indications and th
e recognized | |
47 // text are returned via the listener interface. elementRect is the position | |
48 // of the element where the user clicked in the RootView coordinate system. | |
49 virtual bool startRecognition(int requestId, const WebRect& elementRect, con
st WebString& language, const WebString& grammar, const WebSecurityOrigin& origi
n) | |
50 { | |
51 WEBKIT_ASSERT_NOT_REACHED(); | |
52 return false; | |
53 } | |
54 | |
55 // Cancels an ongoing recognition and discards any audio recorded so far. No
partial | |
56 // recognition results are returned to the listener. | |
57 virtual void cancelRecognition(int) { WEBKIT_ASSERT_NOT_REACHED(); } | |
58 | |
59 // Stops audio recording and performs recognition with the audio recorded un
til now | |
60 // (does not discard audio). This is an optional call and is typically invok
ed if the user | |
61 // wants to stop recording audio as soon as they finished speaking. Otherwis
e, the speech | |
62 // recording 'endpointer' should detect silence in the input and stop record
ing automatically. | |
63 // Call startRecognition() to record audio and recognize speech again. | |
64 virtual void stopRecording(int) { WEBKIT_ASSERT_NOT_REACHED(); } | |
65 | |
66 protected: | |
67 virtual ~WebSpeechInputController() { } | |
68 }; | |
69 | |
70 } // namespace WebKit | |
71 | |
72 #endif // WebSpeechInputController_h | |
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