chrome/browser/chromeos/login/ui/input_events_blocker.cc

   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