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

content/browser/speech/speech_recognition_manager_impl.cc

 // 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.
 
 #include "content/browser/speech/speech_recognition_manager_impl.h"
 
 #include "base/bind.h"
 #include "content/browser/browser_main_loop.h"
 #include "content/browser/speech/google_one_shot_remote_engine.h"
 #include "content/browser/speech/speech_recognition_engine.h"
@@ skipping 266 matching lines @@
 
   if (SpeechRecognitionEventListener* delegate_listener = GetDelegateListener())
     delegate_listener->OnRecognitionEnd(session_id);
   if (SpeechRecognitionEventListener* listener = GetListener(session_id))
     listener->OnRecognitionEnd(session_id);
   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
       base::Bind(&SpeechRecognitionManagerImpl::DispatchEvent, Unretained(this),
                  session_id, EVENT_RECOGNITION_ENDED));
 }
 
-// TODO(primiano) After CL2: if we see that both InputTagDispatcherHost and
-// SpeechRecognitionDispatcherHost do the same lookup operations, implement the
-// lookup method directly here.
 int SpeechRecognitionManagerImpl::LookupSessionByContext(
-    Callback<bool(const SpeechRecognitionSessionContext&)> matcher) const {
+    int render_process_id, int render_view_id, int request_id) const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   SessionsTable::const_iterator iter;
-  // Note: the callback (matcher) must NEVER perform non-const calls on us.
   for(iter = sessions_.begin(); iter != sessions_.end(); ++iter) {
     const int session_id = iter->first;
-    const Session& session = iter->second;
-    bool matches = matcher.Run(session.context);
-    if (matches)
+    const SpeechRecognitionSessionContext& context = iter->second.context;
+    if (context.render_process_id == render_process_id &&
+        context.render_view_id == render_view_id &&
+        context.request_id == request_id) {
       return session_id;
+    }
   }
   return kSessionIDInvalid;
 }
 
 SpeechRecognitionSessionContext
 SpeechRecognitionManagerImpl::GetSessionContext(int session_id) const {
   return GetSession(session_id).context;
 }
 
 void SpeechRecognitionManagerImpl::AbortAllSessionsForListener(
@@ skipping 207 matching lines @@
 
 SpeechRecognitionManagerImpl::Session::Session()
   : id(kSessionIDInvalid),
     listener_is_active(true) {
 }
 
 SpeechRecognitionManagerImpl::Session::~Session() {
 }
 
 }  // namespace speech