Introduced SpeechRecognitionDispatcher(Host) classes, handling dispatch of IPC messages for continu…

content/browser/speech/speech_recognition_dispatcher_host.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_BROWSER_SPEECH_INPUT_TAG_SPEECH_DISPATCHER_HOST_H_
-#define CONTENT_BROWSER_SPEECH_INPUT_TAG_SPEECH_DISPATCHER_HOST_H_
+#ifndef CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_DISPATCHER_HOST_H_
+#define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_DISPATCHER_HOST_H_
 #pragma once
 
-#include "base/compiler_specific.h"
-#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/browser/speech_recognition_event_listener.h"
 #include "net/url_request/url_request_context_getter.h"
 
-struct InputTagSpeechHostMsg_StartRecognition_Params;
+struct SpeechRecognitionHostMsg_StartRequest_Params;
 
 namespace content {
 class SpeechRecognitionManager;
 class SpeechRecognitionPreferences;
 struct SpeechRecognitionResult;
 }
 
 namespace speech {
 
-// InputTagSpeechDispatcherHost is a delegate for Speech API messages used by
+// SpeechRecognitionDispatcherHost is a delegate for Speech API messages used by
 // RenderMessageFilter. Basically it acts as a proxy, relaying the events coming
 // from the SpeechRecognitionManager to IPC messages (and vice versa).
 // It's the complement of SpeechRecognitionDispatcher (owned by RenderView).
-class CONTENT_EXPORT InputTagSpeechDispatcherHost
+class CONTENT_EXPORT SpeechRecognitionDispatcherHost
     : public content::BrowserMessageFilter,
       public content::SpeechRecognitionEventListener {
  public:
-  InputTagSpeechDispatcherHost(
+  SpeechRecognitionDispatcherHost(
       int render_process_id,
-      net::URLRequestContextGetter* url_request_context_getter,
+      net::URLRequestContextGetter* context_getter,
       content::SpeechRecognitionPreferences* recognition_preferences);
 
   // SpeechRecognitionEventListener methods.
   virtual void OnRecognitionStart(int session_id) OVERRIDE;
   virtual void OnAudioStart(int session_id) OVERRIDE;
   virtual void OnEnvironmentEstimationComplete(int session_id) OVERRIDE;
   virtual void OnSoundStart(int session_id) OVERRIDE;
   virtual void OnSoundEnd(int session_id) OVERRIDE;
   virtual void OnAudioEnd(int session_id) OVERRIDE;
   virtual void OnRecognitionEnd(int session_id) OVERRIDE;
   virtual void OnRecognitionResult(
       int session_id, const content::SpeechRecognitionResult& result) OVERRIDE;
   virtual void OnRecognitionError(
       int session_id, const content::SpeechRecognitionError& error) OVERRIDE;
   virtual void OnAudioLevelsChange(
       int session_id, float volume, float noise_volume) OVERRIDE;
 
   // content::BrowserMessageFilter implementation.
   virtual bool OnMessageReceived(const IPC::Message& message,
                                  bool* message_was_ok) OVERRIDE;
 
   // Singleton manager setter useful for tests.
   static void SetManagerForTests(content::SpeechRecognitionManager* manager);
 
  private:
-  virtual ~InputTagSpeechDispatcherHost();
+  virtual ~SpeechRecognitionDispatcherHost();
 
-  void OnStartRecognition(
-      const InputTagSpeechHostMsg_StartRecognition_Params &params);
-  void OnCancelRecognition(int render_view_id, int request_id);
-  void OnStopRecording(int render_view_id, int request_id);
+  void OnStartRequest(
+      const SpeechRecognitionHostMsg_StartRequest_Params& params);
+  void OnAbortRequest(int render_view_id, int request_id);
+  void OnStopCaptureRequest(int render_view_id, int request_id);
 
-  // Returns the speech recognition manager to forward events to, creating one
-  // if needed.
+  // Returns the speech recognition manager to forward requests to.
   content::SpeechRecognitionManager* manager();
 
   int render_process_id_;
-  bool may_have_pending_requests_;  // Set if we received any speech IPC request
-
-  scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_;
+  scoped_refptr<net::URLRequestContextGetter> context_getter_;
   scoped_refptr<content::SpeechRecognitionPreferences> recognition_preferences_;
 
   static content::SpeechRecognitionManager* manager_for_tests_;
 
-  DISALLOW_COPY_AND_ASSIGN(InputTagSpeechDispatcherHost);
+  DISALLOW_COPY_AND_ASSIGN(SpeechRecognitionDispatcherHost);
 };
 
 }  // namespace speech
 
-#endif  // CONTENT_BROWSER_SPEECH_INPUT_TAG_SPEECH_DISPATCHER_HOST_H_
+#endif  // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_DISPATCHER_HOST_H_