ui/keyboard/webui/vk_mojo_handler.h

   1 // Copyright 2014 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_WEBUI_VK_MOJO_HANDLER_H_
   6 #define UI_KEYBOARD_WEBUI_VK_MOJO_HANDLER_H_
   7
   8 #include "base/macros.h"
   9 #include "third_party/mojo/src/mojo/public/cpp/bindings/binding.h"
  10 #include "ui/base/ime/input_method_observer.h"
  11 #include "ui/keyboard/webui/keyboard.mojom.h"
  12
  13 namespace keyboard {
  14
  15 class VKMojoHandler : public KeyboardUIHandlerMojo,
  16                       public ui::InputMethodObserver {
  17  public:
  18   explicit VKMojoHandler(mojo::InterfaceRequest<KeyboardUIHandlerMojo> request);
  19   ~VKMojoHandler() override;
  20
  21  private:
  22   ui::InputMethod* GetInputMethod();
  23
  24   // KeyboardUIHandlerMojo:
  25   void SendKeyEvent(const mojo::String& event_type,
  26                     int32_t char_value,
  27                     int32_t key_code,
  28                     const mojo::String& key_name,
  29                     int32_t modifiers) override;
  30   void HideKeyboard() override;
  31
  32   // ui::InputMethodObserver:
  33   void OnTextInputTypeChanged(const ui::TextInputClient* client) override;
  34   void OnFocus() override;
  35   void OnBlur() override;
  36   void OnCaretBoundsChanged(const ui::TextInputClient* client) override;
  37   void OnTextInputStateChanged(const ui::TextInputClient* text_client) override;
  38   void OnInputMethodDestroyed(const ui::InputMethod* input_method) override;
  39   void OnShowImeIfNeeded() override;
  40
  41   mojo::Binding<KeyboardUIHandlerMojo> binding_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(VKMojoHandler);
  44 };
  45
  46 }  // namespace keyboard
  47
  48 #endif  // UI_KEYBOARD_WEBUI_VK_MOJO_HANDLER_H_