Home | History | Annotate | Download | only in renderer 
      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
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_RENDERER_INPUT_TAG_SPEECH_DISPATCHER_H_
      6 #define CONTENT_RENDERER_INPUT_TAG_SPEECH_DISPATCHER_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "content/public/common/speech_recognition_result.h"
     10 #include "content/public/renderer/render_view_observer.h"
     11 #include "third_party/WebKit/public/web/WebSpeechInputController.h"
     12 
     13 namespace WebKit {
     14 class WebSpeechInputListener;
     15 }
     16 
     17 namespace content {
     18 class RenderViewImpl;
     19 struct SpeechRecognitionResult;
     20 
     21 // InputTagSpeechDispatcher is a delegate for messages used by WebKit. It's
     22 // the complement of InputTagSpeechDispatcherHost (owned by RenderViewHost).
     23 class InputTagSpeechDispatcher : public RenderViewObserver,
     24                                  public WebKit::WebSpeechInputController {
     25  public:
     26   InputTagSpeechDispatcher(RenderViewImpl* render_view,
     27                            WebKit::WebSpeechInputListener* listener);
     28 
     29  private:
     30   // RenderView::Observer implementation.
     31   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
     32 
     33   // WebKit::WebSpeechInputController.
     34   virtual bool startRecognition(int request_id,
     35                                 const WebKit::WebRect& element_rect,
     36                                 const WebKit::WebString& language,
     37                                 const WebKit::WebString& grammar,
     38                                 const WebKit::WebSecurityOrigin& origin);
     39 
     40   virtual void cancelRecognition(int request_id);
     41   virtual void stopRecording(int request_id);
     42 
     43   void OnSpeechRecognitionResults(
     44       int request_id, const SpeechRecognitionResults& results);
     45   void OnSpeechRecordingComplete(int request_id);
     46   void OnSpeechRecognitionComplete(int request_id);
     47   void OnSpeechRecognitionToggleSpeechInput();
     48 
     49   WebKit::WebSpeechInputListener* listener_;
     50 
     51   DISALLOW_COPY_AND_ASSIGN(InputTagSpeechDispatcher);
     52 };
     53 
     54 }  // namespace content
     55 
     56 #endif  // CONTENT_RENDERER_INPUT_TAG_SPEECH_DISPATCHER_H_
     57