Implement chrome.input.ime.setComposition/commitText API.

ui/base/ime/input_method_chromeos.h

 // 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.
 
 #ifndef UI_BASE_IME_INPUT_METHOD_CHROMEOS_H_
 #define UI_BASE_IME_INPUT_METHOD_CHROMEOS_H_
 
 #include <stdint.h>
 
 #include <set>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/base/ime/chromeos/character_composer.h"
 #include "ui/base/ime/composition_text.h"
 #include "ui/base/ime/ime_input_context_handler_interface.h"
 #include "ui/base/ime/input_method_base.h"
 
 namespace ui {
 
 // A ui::InputMethod implementation based on IBus.
-class UI_BASE_IME_EXPORT InputMethodChromeOS
-    : public InputMethodBase,
-      public ui::IMEInputContextHandlerInterface {
+class UI_BASE_IME_EXPORT InputMethodChromeOS : public InputMethodBase {
  public:
   explicit InputMethodChromeOS(internal::InputMethodDelegate* delegate);
   ~InputMethodChromeOS() override;
 
   // Overridden from InputMethod:
   bool OnUntranslatedIMEMessage(const base::NativeEvent& event,
                                 NativeEventResult* result) override;
   void DispatchKeyEvent(ui::KeyEvent* event) override;
   void OnTextInputTypeChanged(const TextInputClient* client) override;
   void OnCaretBoundsChanged(const TextInputClient* client) override;
@@ skipping 44 matching lines @@
   // input client.
   void ProcessInputMethodResult(ui::KeyEvent* event, bool filtered);
 
   // Checks if the pending input method result needs inserting into the focused
   // text input client as a single character.
   bool NeedInsertChar() const;
 
   // Checks if there is pending input method result.
   bool HasInputMethodResult() const;
 
-  // Sends a fake key event for IME composing without physical key events.
-  // Returns true if the faked key event is stopped propagation.
-  bool SendFakeProcessKeyEvent(bool pressed) const;
-
   // Passes keyevent and executes character composition if necessary. Returns
   // true if character composer comsumes key event.
   bool ExecuteCharacterComposer(const ui::KeyEvent& event);
 
   // ui::IMEInputContextHandlerInterface overrides:
   void CommitText(const std::string& text) override;
   void UpdateCompositionText(const CompositionText& text,
                              uint32_t cursor_pos,
                              bool visible) override;
   void DeleteSurroundingText(int32_t offset, uint32_t length) override;
@@ skipping 26 matching lines @@
   // Indicates if there is an ongoing composition text.
   bool composing_text_;
 
   // Indicates if the composition text is changed or deleted.
   bool composition_changed_;
 
   // An object to compose a character from a sequence of key presses
   // including dead key etc.
   CharacterComposer character_composer_;
 
-  // Indicates whether currently is handling a physical key event.
-  // This is used in CommitText/UpdateCompositionText/etc.
-  bool handling_key_event_;
-
   // Used for making callbacks.
   base::WeakPtrFactory<InputMethodChromeOS> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodChromeOS);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_INPUT_METHOD_CHROMEOS_H_