WebUIHandler for chrome://keyboard

ui/keyboard/keyboard_ui_handler.h

+// Copyright (c) 2013 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.
+
+#ifndef UI_KEYBOARD_KEYBOARD_UI_HANDLER_H_
+#define UI_KEYBOARD_KEYBOARD_UI_HANDLER_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "content/public/browser/web_ui_message_handler.h"
+
+namespace aura {
+class RootWindow;
+}
+
+namespace keyboard {
+
+// The WebUI handler for chrome://keyboard.
+class KeyboardUIHandler : public content::WebUIMessageHandler {
+ public:
+  // Construct a handler that will deliver events to |root_window|.  If
+  // |root_window| is null, the events will be logged and then ignored.
+  explicit KeyboardUIHandler(aura::RootWindow* root_window);
+
+  virtual ~KeyboardUIHandler();
+
+  // |content::WebUIMessageHandler| implementation:
+  virtual void RegisterMessages() OVERRIDE;
+
+ private:
+  // Callback for the "sendKeyEvent" message.
+  void HandleSendKeyEventMessage(const base::ListValue* args);
+
+  aura::RootWindow* root_window_;
+
+  DISALLOW_COPY_AND_ASSIGN(KeyboardUIHandler);
+};
+
+}  // namespace keyboard
+
+#endif  // UI_KEYBOARD_KEYBOARD_UI_HANDLER_H_