content/renderer/idle_user_detector.h

   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 #ifndef CONTENT_RENDERER_IDLE_USER_DETECTOR_H_
   6 #define CONTENT_RENDERER_IDLE_USER_DETECTOR_H_
   7
   8 #include "base/basictypes.h"
   9 #include "content/public/renderer/render_view_observer.h"
  10
  11 namespace blink {
  12 class WebInputEvent;
  13 }
  14
  15 namespace ui {
  16 struct LatencyInfo;
  17 }
  18
  19 namespace content {
  20
  21 // Class which observes user input events and postpones
  22 // idle notifications if the user is active.
  23 class IdleUserDetector : public RenderViewObserver {
  24  public:
  25   IdleUserDetector(RenderView* render_view);
  26   ~IdleUserDetector() override;
  27
  28  private:
  29   // RenderViewObserver implementation:
  30   bool OnMessageReceived(const IPC::Message& message) override;
  31
  32   void OnHandleInputEvent(const blink::WebInputEvent* event,
  33                           const ui::LatencyInfo& latency_info,
  34                           bool is_keyboard_shortcut);
  35
  36   DISALLOW_COPY_AND_ASSIGN(IdleUserDetector);
  37 };
  38
  39 }  // namespace content
  40
  41 #endif  // CONTENT_RENDERER_IDLE_USER_DETECTOR_H_