athena: Add support for virtual keyboard.

athena/virtual_keyboard/vk_message_handler.cc

Index: athena/virtual_keyboard/vk_message_handler.cc
diff --git a/athena/virtual_keyboard/vk_message_handler.cc b/athena/virtual_keyboard/vk_message_handler.cc
new file mode 100644
index 0000000000000000000000000000000000000000..fbd1e79495ac4db2802985d84c5ec5c2e010158b
--- /dev/null
+++ b/athena/virtual_keyboard/vk_message_handler.cc
@@ -0,0 +1,57 @@
+// 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 "athena/virtual_keyboard/vk_message_handler.h"
+
+#include "athena/screen/public/screen_manager.h"
+#include "base/bind.h"
+#include "base/values.h"
+#include "content/public/browser/web_ui.h"
+#include "ui/keyboard/keyboard_controller.h"
+#include "ui/keyboard/keyboard_util.h"
+
+namespace athena {
+
+VKMessageHandler::VKMessageHandler() {
+}
+VKMessageHandler::~VKMessageHandler() {
+}
+
+void VKMessageHandler::RegisterMessages() {
+  web_ui()->RegisterMessageCallback(
+      "sendKeyEvent",
+      base::Bind(&VKMessageHandler::SendKeyEvent, base::Unretained(this)));
+  web_ui()->RegisterMessageCallback(
+      "hideKeyboard",
+      base::Bind(&VKMessageHandler::HideKeyboard, base::Unretained(this)));
+}
+
+void VKMessageHandler::SendKeyEvent(const base::ListValue* params) {
+  std::string type;
+  int char_value;
+  int key_code;
+  std::string key_name;
+  int modifiers;
+  if (!params->GetString(0, &type))
+    return;
+  if (!params->GetInteger(1, &char_value))
+    return;
+  if (!params->GetInteger(2, &key_code))
+    return;
+  if (!params->GetString(3, &key_name))
+    return;
+  if (!params->GetInteger(4, &modifiers))
+    return;
+
+  aura::Window* window = ScreenManager::Get()->GetContext();
+  keyboard::SendKeyEvent(
+      type, char_value, key_code, key_name, modifiers, window->GetHost());
+}
+
+void VKMessageHandler::HideKeyboard(const base::ListValue* params) {
+  keyboard::KeyboardController::GetInstance()->HideKeyboard(
+      keyboard::KeyboardController::HIDE_REASON_MANUAL);
+}
+
+}  // namespace athena