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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 #if !defined(USE_ATHENA)
     15   // TODO(dpolukhin): crbug.com/411884
     16   ash::Shell::GetInstance()->PrependPreTargetHandler(this);
     17 #endif
     18   VLOG(1) << "InputEventsBlocker " << this << " created.";
     19 }
     20 
     21 InputEventsBlocker::~InputEventsBlocker() {
     22 #if !defined(USE_ATHENA)
     23   // TODO(dpolukhin): crbug.com/411884
     24   ash::Shell::GetInstance()->RemovePreTargetHandler(this);
     25 #endif
     26   VLOG(1) << "InputEventsBlocker " << this << " destroyed.";
     27 }
     28 
     29 void InputEventsBlocker::OnKeyEvent(ui::KeyEvent* event) {
     30   event->StopPropagation();
     31 }
     32 
     33 void InputEventsBlocker::OnMouseEvent(ui::MouseEvent* event) {
     34   event->StopPropagation();
     35 }
     36 
     37 void InputEventsBlocker::OnTouchEvent(ui::TouchEvent* event) {
     38   event->StopPropagation();
     39 }
     40 
     41 void InputEventsBlocker::OnGestureEvent(ui::GestureEvent* event) {
     42   event->StopPropagation();
     43 }
     44 
     45 }  // namespace chromeos
     46