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      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 #include "chrome/browser/chromeos/input_method/input_method_configuration.h"
      6 
      7 #include "base/bind.h"
      8 #include "base/logging.h"
      9 #include "base/memory/scoped_ptr.h"
     10 #include "chrome/browser/chromeos/input_method/accessibility.h"
     11 #include "chrome/browser/chromeos/input_method/browser_state_monitor.h"
     12 #include "chrome/browser/chromeos/input_method/input_method_delegate_impl.h"
     13 #include "chrome/browser/chromeos/input_method/input_method_manager_impl.h"
     14 #include "chrome/browser/chromeos/input_method/input_method_persistence.h"
     15 #include "ui/base/ime/chromeos/ime_bridge.h"
     16 
     17 namespace chromeos {
     18 namespace input_method {
     19 
     20 namespace {
     21 void OnSessionStateChange(InputMethodManagerImpl* input_method_manager_impl,
     22                           InputMethodPersistence* input_method_persistence,
     23                           InputMethodManager::UISessionState new_ui_session) {
     24   input_method_persistence->OnSessionStateChange(new_ui_session);
     25   input_method_manager_impl->SetUISessionState(new_ui_session);
     26 }
     27 
     28 bool g_disable_extension_loading = false;
     29 
     30 class InputMethodConfiguration {
     31  public:
     32   InputMethodConfiguration() {}
     33   virtual ~InputMethodConfiguration() {}
     34 
     35   void Initialize() {
     36     IMEBridge::Initialize();
     37 
     38     InputMethodManagerImpl* impl = new InputMethodManagerImpl(
     39         scoped_ptr<InputMethodDelegate>(new InputMethodDelegateImpl),
     40         !g_disable_extension_loading);
     41     InputMethodManager::Initialize(impl);
     42 
     43     DCHECK(InputMethodManager::Get());
     44 
     45     accessibility_.reset(new Accessibility(impl));
     46     input_method_persistence_.reset(new InputMethodPersistence(impl));
     47     browser_state_monitor_.reset(new BrowserStateMonitor(
     48         base::Bind(&OnSessionStateChange,
     49                    impl,
     50                    input_method_persistence_.get())));
     51 
     52     DVLOG(1) << "InputMethodManager initialized";
     53   }
     54 
     55   void InitializeForTesting(InputMethodManager* mock_manager) {
     56     InputMethodManager::Initialize(mock_manager);
     57     DVLOG(1) << "InputMethodManager for testing initialized";
     58   }
     59 
     60   void Shutdown() {
     61     accessibility_.reset();
     62     browser_state_monitor_.reset();
     63     input_method_persistence_.reset();
     64 
     65     InputMethodManager::Shutdown();
     66 
     67     IMEBridge::Shutdown();
     68 
     69     DVLOG(1) << "InputMethodManager shutdown";
     70   }
     71 
     72  private:
     73   scoped_ptr<Accessibility> accessibility_;
     74   scoped_ptr<BrowserStateMonitor> browser_state_monitor_;
     75   scoped_ptr<InputMethodPersistence> input_method_persistence_;
     76 };
     77 
     78 InputMethodConfiguration* g_input_method_configuration = NULL;
     79 
     80 }  // namespace
     81 
     82 void Initialize() {
     83   if (!g_input_method_configuration)
     84     g_input_method_configuration = new InputMethodConfiguration();
     85   g_input_method_configuration->Initialize();
     86 }
     87 
     88 void InitializeForTesting(InputMethodManager* mock_manager) {
     89   if (!g_input_method_configuration)
     90     g_input_method_configuration = new InputMethodConfiguration();
     91   g_input_method_configuration->InitializeForTesting(mock_manager);
     92 }
     93 
     94 void DisableExtensionLoading() {
     95   g_disable_extension_loading = true;
     96 }
     97 
     98 void Shutdown() {
     99   if (!g_input_method_configuration)
    100     return;
    101 
    102   g_input_method_configuration->Shutdown();
    103   delete g_input_method_configuration;
    104   g_input_method_configuration = NULL;
    105 }
    106 
    107 }  // namespace input_method
    108 }  // namespace chromeos
    109