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

   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 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_UI_INPUT_EVENTS_BLOCKER_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_UI_INPUT_EVENTS_BLOCKER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "ui/events/event_handler.h"
  10
  11 namespace chromeos {
  12
  13 // A simple input events blocker that just makes device unresponsive.
  14 // Should be used only for a (very) short time lock as it's confusing to the
  15 // user.
  16 class InputEventsBlocker : public ui::EventHandler {
  17  public:
  18   InputEventsBlocker();
  19   ~InputEventsBlocker() override;
  20
  21   void OnKeyEvent(ui::KeyEvent* event) override;
  22   void OnMouseEvent(ui::MouseEvent* event) override;
  23   void OnTouchEvent(ui::TouchEvent* event) override;
  24   void OnGestureEvent(ui::GestureEvent* event) override;
  25
  26  private:
  27   DISALLOW_COPY_AND_ASSIGN(InputEventsBlocker);
  28 };
  29
  30 }  // namespace chromeos
  31
  32 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_UI_INPUT_EVENTS_BLOCKER_H_