1// Copyright (c) 2013 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#ifndef UI_KEYBOARD_KEYBOARD_UI_HANDLER_H_
6#define UI_KEYBOARD_KEYBOARD_UI_HANDLER_H_
7
8#include "base/basictypes.h"
9#include "base/compiler_specific.h"
10#include "content/public/browser/web_ui_message_handler.h"
11
12namespace keyboard {
13
14// The WebUI handler for chrome://keyboard.  Inserts text into the currently
15// focused TextInputClient.
16class KeyboardUIHandler : public content::WebUIMessageHandler {
17 public:
18  KeyboardUIHandler();
19  virtual ~KeyboardUIHandler();
20
21 private:
22  // |content::WebUIMessageHandler| implementation:
23  virtual void RegisterMessages() OVERRIDE;
24
25  // Callback for the "insertText" message.
26  void HandleInsertTextMessage(const base::ListValue* args);
27
28  // Callback for the "getInputContext" message. The first element in
29  // |args| should be an integer representing request ID.
30  void HandleGetInputContextMessage(const base::ListValue* args);
31
32  // Callback for the "sendKeyEvent" message. The first element in |args| is a
33  // dictionary containing an event type, the character being pressed or
34  // released, a virtual key code, and the state of the shift key.
35  void HandleSendKeyEventMessage(const base::ListValue* args);
36
37  // Callback for the "hideKeyboard" message.
38  void HandleHideKeyboard(const base::ListValue* args);
39
40  DISALLOW_COPY_AND_ASSIGN(KeyboardUIHandler);
41};
42
43}  // namespace keyboard
44
45#endif  // UI_KEYBOARD_KEYBOARD_UI_HANDLER_H_
46