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      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 #include "chrome/browser/chromeos/login/ui/input_events_blocker.h"
      6 
      7 #include "ash/shell.h"
      8 #include "base/logging.h"
      9 #include "ui/events/event.h"
     10 
     11 namespace chromeos {
     12 
     13 InputEventsBlocker::InputEventsBlocker() {
     14   ash::Shell::GetInstance()->PrependPreTargetHandler(this);
     15   VLOG(1) << "InputEventsBlocker " << this << " created.";
     16 }
     17 
     18 InputEventsBlocker::~InputEventsBlocker() {
     19   ash::Shell::GetInstance()->RemovePreTargetHandler(this);
     20   VLOG(1) << "InputEventsBlocker " << this << " destroyed.";
     21 }
     22 
     23 void InputEventsBlocker::OnKeyEvent(ui::KeyEvent* event) {
     24   event->StopPropagation();
     25 }
     26 
     27 void InputEventsBlocker::OnMouseEvent(ui::MouseEvent* event) {
     28   event->StopPropagation();
     29 }
     30 
     31 void InputEventsBlocker::OnTouchEvent(ui::TouchEvent* event) {
     32   event->StopPropagation();
     33 }
     34 
     35 void InputEventsBlocker::OnGestureEvent(ui::GestureEvent* event) {
     36   event->StopPropagation();
     37 }
     38 
     39 }  // namespace chromeos
     40