Adding speech synthesis library to access TTS feature in libcros.

chrome/browser/chromeos/cros/cros_library.h

 // Copyright (c) 2009 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 CHROME_BROWSER_CHROMEOS_CROS_CROS_LIBRARY_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_CROS_LIBRARY_H_
 
 #include <string>
 #include "base/basictypes.h"
 #include "base/singleton.h"
 
 namespace chromeos {
 
 class CryptohomeLibrary;
 class LanguageLibrary;
 class LibraryLoader;
 class LoginLibrary;
 class MountLibrary;
 class NetworkLibrary;
 class PowerLibrary;
+class SpeechSynthesisLibrary;
 class SynapticsLibrary;
 
 // This class handles access to sub-parts of ChromeOS library. it provides
 // a level of indirection so individual libraries that it exposes can
 // be mocked for testing.
 class CrosLibrary {
  public:
 
   // This class provides access to internal members of CrosLibrary class for
   // purpose of testing (i.e. replacement of members' implementation with
   // mock objects).
   class TestApi {
    public:
     // Passing true for own for these setters will cause them to be deleted
     // when the CrosLibrary is deleted (or other mocks are set).
     // Setter for LibraryLoader.
     void SetLibraryLoader(LibraryLoader* loader, bool own);
     // Setter for CryptohomeLibrary.
     void SetCryptohomeLibrary(CryptohomeLibrary* library, bool own);
     // Setter for LanguageLibrary
     void SetLanguageLibrary(LanguageLibrary* library, bool own);
     // Setter for LoginLibrary.
     void SetLoginLibrary(LoginLibrary* library, bool own);
     // Setter for MountLibrary.
     void SetMountLibrary(MountLibrary* library, bool own);
     // Setter for NetworkLibrary.
     void SetNetworkLibrary(NetworkLibrary* library, bool own);
     // Setter for PowerLibrary.
     void SetPowerLibrary(PowerLibrary* library, bool own);
+    // Setter for SpeechSynthesisLibrary.
+    void SetSpeechSynthesisLibrary(SpeechSynthesisLibrary* library, bool own);
     // Setter for SynapticsLibrary.
     void SetSynapticsLibrary(SynapticsLibrary* library, bool own);
 
    private:
     friend class CrosLibrary;
     explicit TestApi(CrosLibrary* library) : library_(library) {}
     CrosLibrary* library_;
   };
 
   // This gets the CrosLibrary.
@@ skipping 10 matching lines @@
 
   // Getter for MountLibrary
   MountLibrary* GetMountLibrary();
 
   // Getter for NetworkLibrary
   NetworkLibrary* GetNetworkLibrary();
 
   // Getter for PowerLibrary
   PowerLibrary* GetPowerLibrary();
 
+  // This gets the singleton SpeechSynthesisLibrary.
+  SpeechSynthesisLibrary* GetSpeechSynthesisLibrary();
+
   // This gets the singleton SynapticsLibrary.
   SynapticsLibrary* GetSynapticsLibrary();
 
   // Getter for Test API that gives access to internal members of this class.
   TestApi* GetTestApi();
 
   // Ensures that the library is loaded, loading it if needed. If the library
   // could not be loaded, returns false.
   bool EnsureLoaded();
 
   // Returns an unlocalized string describing the last load error (if any).
   const std::string& load_error_string() {
     return load_error_string_;
   }
 
  private:
   friend struct DefaultSingletonTraits<chromeos::CrosLibrary>;
   friend class CrosLibrary::TestApi;
 
   CrosLibrary();
   virtual ~CrosLibrary();
 
   LibraryLoader* library_loader_;
   CryptohomeLibrary* crypto_lib_;
   LanguageLibrary* language_lib_;
   LoginLibrary* login_lib_;
   MountLibrary* mount_lib_;
   NetworkLibrary* network_lib_;
   PowerLibrary* power_lib_;
+  SpeechSynthesisLibrary* speech_synthesis_lib_;
   SynapticsLibrary* synaptics_lib_;
 
   bool own_library_loader_;
   bool own_cryptohome_loader_;
   bool own_language_loader_;
   bool own_login_loader_;
   bool own_mount_loader_;
   bool own_network_loader_;
   bool own_power_loader_;
+  bool own_speech_synthesis_library_;
   bool own_synaptics_library_;
 
   // True if libcros was successfully loaded.
   bool loaded_;
   // True if the last load attempt had an error.
   bool load_error_;
   // Contains the error string from the last load attempt.
   std::string load_error_string_;
   TestApi* test_api_;
 
   DISALLOW_COPY_AND_ASSIGN(CrosLibrary);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_CROS_LIBRARY_H_