athena: Use mojo to provide the bindings for the virtual keyboard.

ui/keyboard/webui/vk_mojo_handler.cc

+// Copyright 2014 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/keyboard/webui/vk_mojo_handler.h"
+
+#include "ui/aura/window.h"
+#include "ui/base/ime/input_method.h"
+#include "ui/base/ime/text_input_client.h"
+#include "ui/keyboard/keyboard_controller.h"
+#include "ui/keyboard/keyboard_controller_proxy.h"
+#include "ui/keyboard/keyboard_util.h"
+#include "ui/keyboard/webui/keyboard.mojom.h"
+
+namespace keyboard {
+
+VKMojoHandler::VKMojoHandler() {
+  GetInputMethod()->AddObserver(this);
+}
+
+VKMojoHandler::~VKMojoHandler() {
+  GetInputMethod()->RemoveObserver(this);
+}
+
+ui::InputMethod* VKMojoHandler::GetInputMethod() {
+  return KeyboardController::GetInstance()->proxy()->GetInputMethod();
+}
+
+void VKMojoHandler::OnConnectionEstablished() {
+  OnTextInputStateChanged(GetInputMethod()->GetTextInputClient());
+}
+
+void VKMojoHandler::SendKeyEvent(const mojo::String& event_type,
+                                 int32_t char_value,
+                                 int32_t key_code,
+                                 const mojo::String& key_name,
+                                 int32_t modifiers) {
+  aura::Window* window =
+      KeyboardController::GetInstance()->GetContainerWindow();
+  std::string type = event_type.To<std::string>();
+  std::string name = key_name.To<std::string>();
+  keyboard::SendKeyEvent(
+      type, char_value, key_code, name, modifiers, window->GetHost());
+}
+
+void VKMojoHandler::HideKeyboard() {
+  KeyboardController::GetInstance()->HideKeyboard(
+      KeyboardController::HIDE_REASON_MANUAL);
+}
+
+void VKMojoHandler::OnTextInputTypeChanged(const ui::TextInputClient* client) {
+}
+
+void VKMojoHandler::OnFocus() {
+}
+
+void VKMojoHandler::OnBlur() {
+}
+
+void VKMojoHandler::OnCaretBoundsChanged(const ui::TextInputClient* client) {
+}
+
+void VKMojoHandler::OnTextInputStateChanged(
+    const ui::TextInputClient* text_client) {
+  ui::TextInputType type =
+      text_client ? text_client->GetTextInputType() : ui::TEXT_INPUT_TYPE_NONE;
+  std::string type_name = "none";
+  switch (type) {
+    case ui::TEXT_INPUT_TYPE_NONE:
+      type_name = "none";
+      break;
+
+    case ui::TEXT_INPUT_TYPE_PASSWORD:
+      type_name = "password";
+      break;
+
+    case ui::TEXT_INPUT_TYPE_EMAIL:
+      type_name = "email";
+      break;
+
+    case ui::TEXT_INPUT_TYPE_NUMBER:
+      type_name = "number";
+      break;
+
+    case ui::TEXT_INPUT_TYPE_TELEPHONE:
+      type_name = "tel";
+      break;
+
+    case ui::TEXT_INPUT_TYPE_URL:
+      type_name = "url";
+      break;
+
+    case ui::TEXT_INPUT_TYPE_DATE:
+      type_name = "date";
+      break;
+
+    case ui::TEXT_INPUT_TYPE_TEXT:
+    case ui::TEXT_INPUT_TYPE_SEARCH:
+    case ui::TEXT_INPUT_TYPE_DATE_TIME:
+    case ui::TEXT_INPUT_TYPE_DATE_TIME_LOCAL:
+    case ui::TEXT_INPUT_TYPE_MONTH:
+    case ui::TEXT_INPUT_TYPE_TIME:
+    case ui::TEXT_INPUT_TYPE_WEEK:
+    case ui::TEXT_INPUT_TYPE_TEXT_AREA:
+    case ui::TEXT_INPUT_TYPE_CONTENT_EDITABLE:
+    case ui::TEXT_INPUT_TYPE_DATE_TIME_FIELD:
+      type_name = "text";
+      break;
+  }
+  client()->OnTextInputTypeChanged(type_name);
+}
+
+void VKMojoHandler::OnInputMethodDestroyed(
+    const ui::InputMethod* input_method) {
+}
+
+void VKMojoHandler::OnShowImeIfNeeded() {
+}
+
+}  // namespace keyboard