ui/base/ime/input_method_factory.cc

   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 "ui/base/ime/input_method_factory.h"
   6
   7 #include "base/memory/singleton.h"
   8 #include "ui/base/ime/mock_input_method.h"
   9
  10 #if defined(OS_CHROMEOS) && defined(USE_X11)
  11 #include "ui/base/ime/input_method_ibus.h"
  12 #elif defined(OS_WIN)
  13 #include "base/win/metro.h"
  14 #include "ui/base/ime/input_method_imm32.h"
  15 #include "ui/base/ime/input_method_tsf.h"
  16 #include "ui/base/ime/remote_input_method_win.h"
  17 #elif defined(USE_AURA) && defined(USE_X11)
  18 #include "ui/base/ime/input_method_auralinux.h"
  19 #else
  20 #include "ui/base/ime/input_method_minimal.h"
  21 #endif
  22
  23 namespace {
  24
  25 ui::InputMethodFactory* g_input_method_factory = NULL;
  26
  27 #if defined(OS_WIN)
  28 ui::InputMethod* g_shared_input_method = NULL;
  29 #endif
  30
  31 }  // namespace
  32
  33 namespace ui {
  34
  35 // static
  36 InputMethodFactory* InputMethodFactory::GetInstance() {
  37   if (!g_input_method_factory)
  38     SetInstance(DefaultInputMethodFactory::GetInstance());
  39
  40   return g_input_method_factory;
  41 }
  42
  43 // static
  44 void InputMethodFactory::SetInstance(InputMethodFactory* instance) {
  45   g_input_method_factory = instance;
  46 }
  47
  48 // DefaultInputMethodFactory
  49
  50 // static
  51 DefaultInputMethodFactory* DefaultInputMethodFactory::GetInstance() {
  52   return Singleton<DefaultInputMethodFactory>::get();
  53 }
  54
  55 scoped_ptr<InputMethod> DefaultInputMethodFactory::CreateInputMethod(
  56     internal::InputMethodDelegate* delegate,
  57     gfx::AcceleratedWidget widget) {
  58 #if defined(OS_CHROMEOS) && defined(USE_X11)
  59   return scoped_ptr<InputMethod>(new InputMethodIBus(delegate));
  60 #elif defined(OS_WIN)
  61   if (base::win::IsTSFAwareRequired())
  62     return scoped_ptr<InputMethod>(new InputMethodTSF(delegate, widget));
  63   if (IsRemoteInputMethodWinRequired(widget))
  64     return CreateRemoteInputMethodWin(delegate);
  65   return scoped_ptr<InputMethod>(new InputMethodIMM32(delegate, widget));
  66 #elif defined(USE_AURA) && defined(USE_X11)
  67   return scoped_ptr<InputMethod>(new InputMethodAuraLinux(delegate));
  68 #else
  69   return scoped_ptr<InputMethod>(new InputMethodMinimal(delegate));
  70 #endif
  71 }
  72
  73 // MockInputMethodFactory
  74
  75 // static
  76 MockInputMethodFactory* MockInputMethodFactory::GetInstance() {
  77   return Singleton<MockInputMethodFactory>::get();
  78 }
  79
  80 scoped_ptr<InputMethod> MockInputMethodFactory::CreateInputMethod(
  81     internal::InputMethodDelegate* delegate,
  82     gfx::AcceleratedWidget /* widget */) {
  83   return scoped_ptr<InputMethod>(new MockInputMethod(delegate));
  84 }
  85
  86 // Shorthands
  87
  88 scoped_ptr<InputMethod> CreateInputMethod(
  89     internal::InputMethodDelegate* delegate,
  90     gfx::AcceleratedWidget widget) {
  91   return InputMethodFactory::GetInstance()->CreateInputMethod(delegate, widget);
  92 }
  93
  94 void SetUpInputMethodFactoryForTesting() {
  95   InputMethodFactory::SetInstance(MockInputMethodFactory::GetInstance());
  96 }
  97
  98 #if defined(OS_WIN)
  99 InputMethod* GetSharedInputMethod() {
 100   if (!g_shared_input_method)
 101     g_shared_input_method = CreateInputMethod(NULL, NULL).release();
 102   return g_shared_input_method;
 103 }
 104
 105 namespace internal {
 106
 107 void DestroySharedInputMethod() {
 108   delete g_shared_input_method;
 109   g_shared_input_method = NULL;
 110 }
 111
 112 }  // namespace internal
 113 #endif
 114
 115 }  // namespace ui