ui/wm/core/user_activity_detector_unittest.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 "ui/wm/core/user_activity_detector.h"
   6
   7 #include "base/compiler_specific.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/time/time.h"
  10 #include "ui/aura/test/aura_test_base.h"
  11 #include "ui/events/event.h"
  12 #include "ui/events/event_constants.h"
  13 #include "ui/events/keycodes/keyboard_codes.h"
  14 #include "ui/gfx/point.h"
  15 #include "ui/wm/core/user_activity_observer.h"
  16
  17 namespace wm {
  18
  19 // Implementation that just counts the number of times we've been told that the
  20 // user is active.
  21 class TestUserActivityObserver : public UserActivityObserver {
  22  public:
  23   TestUserActivityObserver() : num_invocations_(0) {}
  24
  25   int num_invocations() const { return num_invocations_; }
  26   void reset_stats() { num_invocations_ = 0; }
  27
  28   // UserActivityObserver implementation.
  29   void OnUserActivity(const ui::Event* event) override { num_invocations_++; }
  30
  31  private:
  32   // Number of times that OnUserActivity() has been called.
  33   int num_invocations_;
  34
  35   DISALLOW_COPY_AND_ASSIGN(TestUserActivityObserver);
  36 };
  37
  38 class UserActivityDetectorTest : public aura::test::AuraTestBase {
  39  public:
  40   UserActivityDetectorTest() {}
  41   ~UserActivityDetectorTest() override {}
  42
  43   void SetUp() override {
  44     AuraTestBase::SetUp();
  45     observer_.reset(new TestUserActivityObserver);
  46     detector_.reset(new UserActivityDetector);
  47     detector_->AddObserver(observer_.get());
  48
  49     now_ = base::TimeTicks::Now();
  50     detector_->set_now_for_test(now_);
  51   }
  52
  53   void TearDown() override {
  54     detector_->RemoveObserver(observer_.get());
  55     AuraTestBase::TearDown();
  56   }
  57
  58  protected:
  59   // Move |detector_|'s idea of the current time forward by |delta|.
  60   void AdvanceTime(base::TimeDelta delta) {
  61     now_ += delta;
  62     detector_->set_now_for_test(now_);
  63   }
  64
  65   scoped_ptr<UserActivityDetector> detector_;
  66   scoped_ptr<TestUserActivityObserver> observer_;
  67
  68   base::TimeTicks now_;
  69
  70  private:
  71   DISALLOW_COPY_AND_ASSIGN(UserActivityDetectorTest);
  72 };
  73
  74 // Checks that the observer is notified in response to different types of input
  75 // events.
  76 TEST_F(UserActivityDetectorTest, Basic) {
  77   ui::KeyEvent key_event(ui::ET_KEY_PRESSED, ui::VKEY_A, ui::EF_NONE);
  78   detector_->OnKeyEvent(&key_event);
  79   EXPECT_FALSE(key_event.handled());
  80   EXPECT_EQ(now_.ToInternalValue(),
  81             detector_->last_activity_time().ToInternalValue());
  82   EXPECT_EQ(1, observer_->num_invocations());
  83   observer_->reset_stats();
  84
  85   base::TimeDelta advance_delta = base::TimeDelta::FromMilliseconds(
  86       UserActivityDetector::kNotifyIntervalMs);
  87   AdvanceTime(advance_delta);
  88   ui::MouseEvent mouse_event(
  89       ui::ET_MOUSE_MOVED, gfx::Point(), gfx::Point(), ui::EF_NONE, ui::EF_NONE);
  90   detector_->OnMouseEvent(&mouse_event);
  91   EXPECT_FALSE(mouse_event.handled());
  92   EXPECT_EQ(now_.ToInternalValue(),
  93             detector_->last_activity_time().ToInternalValue());
  94   EXPECT_EQ(1, observer_->num_invocations());
  95   observer_->reset_stats();
  96
  97   base::TimeTicks time_before_ignore = now_;
  98
  99   // Temporarily ignore mouse events when displays are turned on or off.
 100   detector_->OnDisplayPowerChanging();
 101   detector_->OnMouseEvent(&mouse_event);
 102   EXPECT_FALSE(mouse_event.handled());
 103   EXPECT_EQ(time_before_ignore.ToInternalValue(),
 104             detector_->last_activity_time().ToInternalValue());
 105   EXPECT_EQ(0, observer_->num_invocations());
 106   observer_->reset_stats();
 107
 108   const base::TimeDelta kIgnoreMouseTime =
 109       base::TimeDelta::FromMilliseconds(
 110           UserActivityDetector::kDisplayPowerChangeIgnoreMouseMs);
 111   AdvanceTime(kIgnoreMouseTime / 2);
 112   detector_->OnMouseEvent(&mouse_event);
 113   EXPECT_FALSE(mouse_event.handled());
 114   EXPECT_EQ(time_before_ignore.ToInternalValue(),
 115             detector_->last_activity_time().ToInternalValue());
 116   EXPECT_EQ(0, observer_->num_invocations());
 117   observer_->reset_stats();
 118
 119   // After enough time has passed, mouse events should be reported again.
 120   AdvanceTime(std::max(kIgnoreMouseTime, advance_delta));
 121   detector_->OnMouseEvent(&mouse_event);
 122   EXPECT_FALSE(mouse_event.handled());
 123   EXPECT_EQ(now_.ToInternalValue(),
 124             detector_->last_activity_time().ToInternalValue());
 125   EXPECT_EQ(1, observer_->num_invocations());
 126   observer_->reset_stats();
 127
 128   AdvanceTime(advance_delta);
 129   ui::TouchEvent touch_event(
 130       ui::ET_TOUCH_PRESSED, gfx::Point(), 0, base::TimeDelta());
 131   detector_->OnTouchEvent(&touch_event);
 132   EXPECT_FALSE(touch_event.handled());
 133   EXPECT_EQ(now_.ToInternalValue(),
 134             detector_->last_activity_time().ToInternalValue());
 135   EXPECT_EQ(1, observer_->num_invocations());
 136   observer_->reset_stats();
 137
 138   AdvanceTime(advance_delta);
 139   ui::GestureEvent gesture_event(
 140       0,
 141       0,
 142       ui::EF_NONE,
 143       base::TimeDelta::FromMilliseconds(base::Time::Now().ToDoubleT() * 1000),
 144       ui::GestureEventDetails(ui::ET_GESTURE_TAP));
 145   detector_->OnGestureEvent(&gesture_event);
 146   EXPECT_FALSE(gesture_event.handled());
 147   EXPECT_EQ(now_.ToInternalValue(),
 148             detector_->last_activity_time().ToInternalValue());
 149   EXPECT_EQ(1, observer_->num_invocations());
 150   observer_->reset_stats();
 151 }
 152
 153 // Checks that observers aren't notified too frequently.
 154 TEST_F(UserActivityDetectorTest, RateLimitNotifications) {
 155   // The observer should be notified about a key event.
 156   ui::KeyEvent event(ui::ET_KEY_PRESSED, ui::VKEY_A, ui::EF_NONE);
 157   detector_->OnKeyEvent(&event);
 158   EXPECT_FALSE(event.handled());
 159   EXPECT_EQ(1, observer_->num_invocations());
 160   observer_->reset_stats();
 161
 162   // It shouldn't be notified if a second event occurs in the same instant in
 163   // time.
 164   detector_->OnKeyEvent(&event);
 165   EXPECT_FALSE(event.handled());
 166   EXPECT_EQ(0, observer_->num_invocations());
 167   observer_->reset_stats();
 168
 169   // Advance the time, but not quite enough for another notification to be sent.
 170   AdvanceTime(
 171       base::TimeDelta::FromMilliseconds(
 172           UserActivityDetector::kNotifyIntervalMs - 100));
 173   detector_->OnKeyEvent(&event);
 174   EXPECT_FALSE(event.handled());
 175   EXPECT_EQ(0, observer_->num_invocations());
 176   observer_->reset_stats();
 177
 178   // Advance time by the notification interval, definitely moving out of the
 179   // rate limit. This should let us trigger another notification.
 180   AdvanceTime(base::TimeDelta::FromMilliseconds(
 181       UserActivityDetector::kNotifyIntervalMs));
 182
 183   detector_->OnKeyEvent(&event);
 184   EXPECT_FALSE(event.handled());
 185   EXPECT_EQ(1, observer_->num_invocations());
 186 }
 187
 188 // Checks that the detector ignores synthetic mouse events.
 189 TEST_F(UserActivityDetectorTest, IgnoreSyntheticMouseEvents) {
 190   ui::MouseEvent mouse_event(
 191       ui::ET_MOUSE_MOVED, gfx::Point(), gfx::Point(), ui::EF_IS_SYNTHESIZED,
 192       ui::EF_NONE);
 193   detector_->OnMouseEvent(&mouse_event);
 194   EXPECT_FALSE(mouse_event.handled());
 195   EXPECT_EQ(base::TimeTicks().ToInternalValue(),
 196             detector_->last_activity_time().ToInternalValue());
 197   EXPECT_EQ(0, observer_->num_invocations());
 198 }
 199
 200 }  // namespace wm