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 "ui/base/ime/mock_input_method.h"
   8
   9 #if defined(OS_CHROMEOS) && defined(USE_X11)
  10 #include "ui/base/ime/input_method_ibus.h"
  11 #elif defined(OS_WIN)
  12 #include "base/win/metro.h"
  13 #include "ui/base/ime/input_method_imm32.h"
  14 #include "ui/base/ime/input_method_tsf.h"
  15 #include "ui/base/ime/remote_input_method_win.h"
  16 #elif defined(USE_AURA) && defined(OS_LINUX)
  17 #include "ui/base/ime/input_method_auralinux.h"
  18 #else
  19 #include "ui/base/ime/input_method_minimal.h"
  20 #endif
  21
  22 namespace {
  23
  24 bool g_input_method_set_for_testing = false;
  25
  26 bool g_create_input_method_called = false;
  27
  28 #if defined(OS_WIN)
  29 ui::InputMethod* g_shared_input_method = NULL;
  30 #endif
  31
  32 }  // namespace
  33
  34 namespace ui {
  35
  36 scoped_ptr<InputMethod> CreateInputMethod(
  37     internal::InputMethodDelegate* delegate,
  38     gfx::AcceleratedWidget widget) {
  39   if (!g_create_input_method_called)
  40     g_create_input_method_called = true;
  41
  42   if (g_input_method_set_for_testing)
  43     return scoped_ptr<InputMethod>(new MockInputMethod(delegate));
  44
  45 #if defined(OS_CHROMEOS) && defined(USE_X11)
  46   return scoped_ptr<InputMethod>(new InputMethodIBus(delegate));
  47 #elif defined(OS_WIN)
  48   if (base::win::IsTSFAwareRequired())
  49     return scoped_ptr<InputMethod>(new InputMethodTSF(delegate, widget));
  50   if (IsRemoteInputMethodWinRequired(widget))
  51     return CreateRemoteInputMethodWin(delegate);
  52   return scoped_ptr<InputMethod>(new InputMethodIMM32(delegate, widget));
  53 #elif defined(USE_AURA) && defined(OS_LINUX)
  54   return scoped_ptr<InputMethod>(new InputMethodAuraLinux(delegate));
  55 #else
  56   return scoped_ptr<InputMethod>(new InputMethodMinimal(delegate));
  57 #endif
  58 }
  59
  60 void SetUpInputMethodFactoryForTesting() {
  61   CHECK(!g_create_input_method_called)
  62       << "ui::SetUpInputMethodFactoryForTesting was called after use of "
  63       << "ui::CreateInputMethod.  You must call "
  64       << "ui::SetUpInputMethodFactoryForTesting earlier.";
  65
  66   g_input_method_set_for_testing = true;
  67 }
  68
  69 #if defined(OS_WIN)
  70 InputMethod* GetSharedInputMethod() {
  71   if (!g_shared_input_method)
  72     g_shared_input_method = CreateInputMethod(NULL, NULL).release();
  73   return g_shared_input_method;
  74 }
  75
  76 namespace internal {
  77
  78 void DestroySharedInputMethod() {
  79   delete g_shared_input_method;
  80   g_shared_input_method = NULL;
  81 }
  82
  83 }  // namespace internal
  84 #endif
  85
  86 }  // namespace ui