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

chrome/browser/chromeos/input_method/input_method_engine.h

 // Copyright 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 CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_ENGINE_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_ENGINE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 133 matching lines @@
   bool UpdateMenuItems(const std::vector<MenuItem>& items);
 
  private:
   // Converts MenuItem to InputMethodMenuItem.
   void MenuItemToProperty(const MenuItem& item,
                           ui::ime::InputMethodMenuItem* property);
 
   // Enables overriding input view page to Virtual Keyboard window.
   void EnableInputView();
 
+  // input_method::InputMethodEngineBase:
+  void UpdateComposition(const ui::CompositionText& composition_text,
+                         uint32_t cursor_pos,
+                         bool is_visible) override;
+  void CommitTextToInputContext(int context_id, const char* text) override;

[Devlin, 2016/02/04 00:09:17]

Is there a reason this has to be a const char* instead of a const std::string&?

[Azure Wei, 2016/02/04 03:21:19]

Yeah, it's more convenient to use const std::string&. Thanks.

+
   // The current candidate window.
   scoped_ptr<ui::CandidateWindow> candidate_window_;
 
   // The current candidate window property.
   CandidateWindowProperty candidate_window_property_;
 
   // Indicates whether the candidate window is visible.
   bool window_visible_;
 
   // Mapping of candidate index to candidate id.
   std::vector<int> candidate_ids_;
 
   // Mapping of candidate id to index.
   std::map<int, int> candidate_indexes_;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_ENGINE_H_