1 // Copyright (c) 2011 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 #include "chrome/browser/chromeos/xinput_hierarchy_changed_event_listener.h" 6 7 namespace chromeos { 8 9 void XInputHierarchyChangedEventListener::Init() { 10 base::MessageLoopForUI::current()->AddObserver(this); 11 } 12 13 void XInputHierarchyChangedEventListener::StopImpl() { 14 base::MessageLoopForUI::current()->RemoveObserver(this); 15 } 16 17 base::EventStatus XInputHierarchyChangedEventListener::WillProcessEvent( 18 const base::NativeEvent& event) { 19 // There may be multiple listeners for the XI_HierarchyChanged event. So 20 // always return EVENT_CONTINUE to make sure all the listeners receive the 21 // event. 22 ProcessedXEvent(event); 23 return base::EVENT_CONTINUE; 24 } 25 26 void XInputHierarchyChangedEventListener::DidProcessEvent( 27 const base::NativeEvent& event) { 28 } 29 30 } // namespace chromeos 31
