IME (input method editor) support for Aura, part 3 of 3: Use ui::InputMethod in ash.

ui/base/ime/input_method_base.cc

+// Copyright (c) 2011 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.
+
+#include "ui/base/ime/input_method_base.h"
+
+#include "base/logging.h"
+#include "ui/base/ime/text_input_client.h"
+#include "ui/base/ime/input_method_delegate.h"
+
+namespace ui {
+
+InputMethodBase::InputMethodBase()
+  : delegate_(NULL),
+    text_input_client_(NULL) {
+}
+
+InputMethodBase::~InputMethodBase() {
+}
+
+void InputMethodBase::set_delegate(
+    internal::InputMethodDelegate* delegate) {
+  DCHECK(delegate);
+  delegate_ = delegate;
+}
+
+void InputMethodBase::set_text_input_client(TextInputClient* client) {
+  text_input_client_ = client;  // NULL allowed.
+}
+
+TextInputClient* InputMethodBase::text_input_client() const {
+  return text_input_client_;
+}
+
+void InputMethodBase::OnTextInputTypeChanged(gfx::NativeWindow window) {
+  if (IsWindowFocused(window)) {
+    // TODO(yusukes): Support TextInputTypeTracker for TOUCH_UI.
+  }
+}
+
+TextInputType InputMethodBase::GetTextInputType() const {
+  return text_input_client_ ?
+      text_input_client_->GetTextInputType() : TEXT_INPUT_TYPE_NONE;
+}
+
+bool InputMethodBase::IsTextInputTypeNone() const {
+  return GetTextInputType() == TEXT_INPUT_TYPE_NONE;
+}
+
+void InputMethodBase::OnInputMethodChanged() const {
+  if (text_input_client_ &&
+      text_input_client_->GetTextInputType() != TEXT_INPUT_TYPE_NONE)
+    text_input_client_->OnInputMethodChanged();
+}
+
+void InputMethodBase::DispatchKeyEventPostIME(
+    gfx::NativeEvent native_key_event) const {
+  if (delegate_)
+    delegate_->DispatchKeyEventPostIME(native_key_event);
+}
+
+}  // namespace ui