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

ui/base/ime/input_method_auralinux.cc

 // 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.
 
 #include "ui/base/ime/input_method_auralinux.h"
 
 #include "base/auto_reset.h"
 #include "base/environment.h"
 #include "ui/base/ime/ime_bridge.h"
 #include "ui/base/ime/ime_engine_handler_interface.h"
@@ skipping 72 matching lines @@
   // If there's an active IME extension is listening to the key event, and the
   // current text input client is not password input client, the key event
   // should be dispatched to the extension engine in the two conditions:
   // 1) |filtered| == false: the ET_KEY_PRESSED event of non-character key,
   // or the ET_KEY_RELEASED event of all key.
   // 2) |filtered| == true && NeedInsertChar(): the ET_KEY_PRESSED event of
   // character key.
   if (text_input_type_ != TEXT_INPUT_TYPE_PASSWORD &&
       GetEngine() && GetEngine()->IsInterestedInKeyEvent() &&
       (!filtered || NeedInsertChar())) {
+    // Make true that we don't handle IME API calling of setComposition and
+    // commitText while the extension is processing key event.
+    handling_key_event_ = true;
     ui::IMEEngineHandlerInterface::KeyEventDoneCallback callback =
         base::Bind(&InputMethodAuraLinux::ProcessKeyEventDone,
                    weak_ptr_factory_.GetWeakPtr(),
                    base::Owned(new ui::KeyEvent(*event)), filtered);
     GetEngine()->ProcessKeyEvent(*event, callback);
   } else {
     ProcessKeyEventDone(event, filtered, false);
   }
 }
 
 void InputMethodAuraLinux::ProcessKeyEventDone(ui::KeyEvent* event,
                                                bool filtered,
                                                bool is_handled) {
+  handling_key_event_ = false;
+
   DCHECK(event);
   if (is_handled)
     return;
 
   // If the IME extension has not handled the key event, passes the keyevent
   // back to the previous processing flow. Preconditions for this situation:
   // 1) |filtered| == false
   // 2) |filtered| == true && NeedInsertChar()
   ui::EventDispatchDetails details;
   if (event->type() == ui::ET_KEY_PRESSED && filtered) {
@@ skipping 296 matching lines @@
     client->ConfirmCompositionText();
 
     if (GetEngine())
       GetEngine()->Reset();
   }
 
   ResetContext();
 }
 
 }  // namespace ui