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      1 /*
      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 SpeechInputClientImpl_h
     32 #define SpeechInputClientImpl_h
     33 
     34 #if ENABLE(INPUT_SPEECH)
     35 
     36 #include "WebSpeechInputListener.h"
     37 #include "core/speech/SpeechInputClient.h"
     38 #include "wtf/Forward.h"
     39 #include "wtf/OwnPtr.h"
     40 #include "wtf/PassOwnPtr.h"
     41 
     42 namespace WebCore {
     43 class SecurityOrigin;
     44 class SpeechInputListener;
     45 }
     46 
     47 namespace blink {
     48 
     49 class WebSpeechInputController;
     50 class WebViewClient;
     51 
     52 class SpeechInputClientImpl
     53     : public WebCore::SpeechInputClient,
     54       public WebSpeechInputListener {
     55 public:
     56     static PassOwnPtr<SpeechInputClientImpl> create(WebViewClient*);
     57     virtual ~SpeechInputClientImpl();
     58 
     59     // SpeechInputClient methods.
     60     void setListener(WebCore::SpeechInputListener*);
     61     bool startRecognition(int requestId, const WebCore::IntRect& elementRect, const AtomicString& language, const String& grammar, WebCore::SecurityOrigin*);
     62     void stopRecording(int);
     63     void cancelRecognition(int);
     64 
     65     // WebSpeechInputListener methods.
     66     void didCompleteRecording(int);
     67     void setRecognitionResult(int, const WebSpeechInputResultArray&);
     68     void didCompleteRecognition(int);
     69 
     70 private:
     71     SpeechInputClientImpl(WebViewClient*);
     72 
     73     WebSpeechInputController* m_controller; // To call into the embedder.
     74     WebCore::SpeechInputListener* m_listener;
     75 };
     76 
     77 } // namespace blink
     78 
     79 #endif // ENABLE(INPUT_SPEECH)
     80 
     81 #endif // SpeechInputClientImpl_h
     82