src/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/input_method_delegate.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 #elif defined(USE_AURA) && defined(USE_X11)
  17 #include "ui/base/ime/input_method_linux_x11.h"
  18 #else
  19 #include "ui/base/ime/fake_input_method.h"
  20 #endif
  21
  22 namespace ui {
  23 namespace {
  24
  25 bool g_input_method_set_for_testing = false;
  26 InputMethod* g_shared_input_method = NULL;
  27
  28 #if defined(OS_WIN)
  29 // Returns a new instance of input method object for IMM32 or TSF.
  30 InputMethod* CreateInputMethodWinInternal(
  31     internal::InputMethodDelegate* delegate,
  32     gfx::AcceleratedWidget widget) {
  33   if (base::win::IsTSFAwareRequired())
  34     return new InputMethodTSF(delegate, widget);
  35   else
  36     return new InputMethodIMM32(delegate, widget);
  37 }
  38 #endif
  39
  40 }  // namespace
  41
  42 InputMethod* CreateInputMethod(internal::InputMethodDelegate* delegate,
  43                                gfx::AcceleratedWidget widget) {
  44   if (g_input_method_set_for_testing)
  45     return new MockInputMethod(delegate);
  46 #if defined(OS_CHROMEOS) && defined(USE_X11)
  47   return new InputMethodIBus(delegate);
  48 #elif defined(OS_WIN)
  49   return CreateInputMethodWinInternal(delegate, widget);
  50 #elif defined(USE_AURA) && defined(USE_X11)
  51   return new InputMethodLinuxX11(delegate);
  52 #else
  53   return new FakeInputMethod(delegate);
  54 #endif
  55 }
  56
  57 void SetUpInputMethodFactoryForTesting() {
  58   g_input_method_set_for_testing = true;
  59 }
  60
  61 InputMethod* GetSharedInputMethod() {
  62 #if defined(OS_WIN)
  63   if (!g_shared_input_method)
  64     g_shared_input_method = CreateInputMethod(NULL, NULL);
  65 #else
  66   NOTREACHED();
  67 #endif
  68   return g_shared_input_method;
  69 }
  70
  71 namespace internal {
  72
  73 void DestroySharedInputMethod() {
  74   delete g_shared_input_method;
  75   g_shared_input_method = NULL;
  76 }
  77
  78 }  // namespace internal
  79 }  // namespace ui