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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/wm/user_activity_detector.h"
#include "ash/shell.h"
#include "ash/test/ash_test_base.h"
#include "ash/wm/user_activity_observer.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/time/time.h"
#include "ui/aura/test/test_windows.h"
#include "ui/aura/window.h"
#include "ui/base/events/event.h"
#include "ui/base/events/event_constants.h"
#include "ui/base/keycodes/keyboard_codes.h"
#include "ui/gfx/point.h"
namespace {
void SetEventTarget(ui::EventTarget* target, ui::Event* event) {
ui::Event::DispatcherApi dispatch_helper(event);
dispatch_helper.set_target(target);
}
}
namespace ash {
namespace test {
// Implementation that just counts the number of times we've been told that the
// user is active.
class TestUserActivityObserver : public UserActivityObserver {
public:
TestUserActivityObserver() : num_invocations_(0) {}
int num_invocations() const { return num_invocations_; }
void reset_stats() { num_invocations_ = 0; }
// UserActivityObserver implementation.
virtual void OnUserActivity(const ui::Event* event) OVERRIDE {
num_invocations_++;
}
private:
// Number of times that OnUserActivity() has been called.
int num_invocations_;
DISALLOW_COPY_AND_ASSIGN(TestUserActivityObserver);
};
class UserActivityDetectorTest : public AshTestBase {
public:
UserActivityDetectorTest() {}
virtual ~UserActivityDetectorTest() {}
virtual void SetUp() OVERRIDE {
AshTestBase::SetUp();
observer_.reset(new TestUserActivityObserver);
detector_ = Shell::GetInstance()->user_activity_detector();
detector_->AddObserver(observer_.get());
now_ = base::TimeTicks::Now();
detector_->set_now_for_test(now_);
}
virtual void TearDown() OVERRIDE {
detector_->RemoveObserver(observer_.get());
AshTestBase::TearDown();
}
protected:
// Move |detector_|'s idea of the current time forward by |delta|.
void AdvanceTime(base::TimeDelta delta) {
now_ += delta;
detector_->set_now_for_test(now_);
}
UserActivityDetector* detector_; // not owned
scoped_ptr<TestUserActivityObserver> observer_;
base::TimeTicks now_;
private:
DISALLOW_COPY_AND_ASSIGN(UserActivityDetectorTest);
};
// Checks that the observer is notified in response to different types of input
// events.
TEST_F(UserActivityDetectorTest, Basic) {
scoped_ptr<aura::Window> window(CreateTestWindowInShellWithId(12345));
ui::KeyEvent key_event(ui::ET_KEY_PRESSED, ui::VKEY_A, ui::EF_NONE, false);
SetEventTarget(window.get(), &key_event);
detector_->OnKeyEvent(&key_event);
EXPECT_FALSE(key_event.handled());
EXPECT_EQ(now_.ToInternalValue(),
detector_->last_activity_time().ToInternalValue());
EXPECT_EQ(1, observer_->num_invocations());
observer_->reset_stats();
base::TimeDelta advance_delta = base::TimeDelta::FromMilliseconds(
UserActivityDetector::kNotifyIntervalMs);
AdvanceTime(advance_delta);
ui::MouseEvent mouse_event(
ui::ET_MOUSE_MOVED, gfx::Point(), gfx::Point(), ui::EF_NONE);
SetEventTarget(window.get(), &mouse_event);
detector_->OnMouseEvent(&mouse_event);
EXPECT_FALSE(mouse_event.handled());
EXPECT_EQ(now_.ToInternalValue(),
detector_->last_activity_time().ToInternalValue());
EXPECT_EQ(1, observer_->num_invocations());
observer_->reset_stats();
base::TimeTicks time_before_ignore = now_;
// Temporarily ignore mouse events when displays are turned on or off.
detector_->OnDisplayPowerChanging();
detector_->OnMouseEvent(&mouse_event);
EXPECT_FALSE(mouse_event.handled());
EXPECT_EQ(time_before_ignore.ToInternalValue(),
detector_->last_activity_time().ToInternalValue());
EXPECT_EQ(0, observer_->num_invocations());
observer_->reset_stats();
const base::TimeDelta kIgnoreMouseTime =
base::TimeDelta::FromMilliseconds(
UserActivityDetector::kDisplayPowerChangeIgnoreMouseMs);
AdvanceTime(kIgnoreMouseTime / 2);
detector_->OnMouseEvent(&mouse_event);
EXPECT_FALSE(mouse_event.handled());
EXPECT_EQ(time_before_ignore.ToInternalValue(),
detector_->last_activity_time().ToInternalValue());
EXPECT_EQ(0, observer_->num_invocations());
observer_->reset_stats();
// After enough time has passed, mouse events should be reported again.
AdvanceTime(std::max(kIgnoreMouseTime, advance_delta));
detector_->OnMouseEvent(&mouse_event);
EXPECT_FALSE(mouse_event.handled());
EXPECT_EQ(now_.ToInternalValue(),
detector_->last_activity_time().ToInternalValue());
EXPECT_EQ(1, observer_->num_invocations());
observer_->reset_stats();
AdvanceTime(advance_delta);
ui::TouchEvent touch_event(
ui::ET_TOUCH_PRESSED, gfx::Point(), 0, base::TimeDelta());
SetEventTarget(window.get(), &touch_event);
detector_->OnTouchEvent(&touch_event);
EXPECT_FALSE(touch_event.handled());
EXPECT_EQ(now_.ToInternalValue(),
detector_->last_activity_time().ToInternalValue());
EXPECT_EQ(1, observer_->num_invocations());
observer_->reset_stats();
AdvanceTime(advance_delta);
ui::GestureEvent gesture_event(
ui::ET_GESTURE_TAP, 0, 0, ui::EF_NONE,
base::TimeDelta::FromMilliseconds(base::Time::Now().ToDoubleT() * 1000),
ui::GestureEventDetails(ui::ET_GESTURE_TAP, 0, 0), 0U);
SetEventTarget(window.get(), &gesture_event);
detector_->OnGestureEvent(&gesture_event);
EXPECT_FALSE(gesture_event.handled());
EXPECT_EQ(now_.ToInternalValue(),
detector_->last_activity_time().ToInternalValue());
EXPECT_EQ(1, observer_->num_invocations());
observer_->reset_stats();
}
// Checks that observers aren't notified too frequently.
TEST_F(UserActivityDetectorTest, RateLimitNotifications) {
scoped_ptr<aura::Window> window(CreateTestWindowInShellWithId(12345));
// The observer should be notified about a key event.
ui::KeyEvent event(ui::ET_KEY_PRESSED, ui::VKEY_A, ui::EF_NONE, false);
SetEventTarget(window.get(), &event);
detector_->OnKeyEvent(&event);
EXPECT_FALSE(event.handled());
EXPECT_EQ(1, observer_->num_invocations());
observer_->reset_stats();
// It shouldn't be notified if a second event occurs
// in the same instant in time.
detector_->OnKeyEvent(&event);
EXPECT_FALSE(event.handled());
EXPECT_EQ(0, observer_->num_invocations());
observer_->reset_stats();
// Advance the time, but not quite enough for another notification to be sent.
AdvanceTime(
base::TimeDelta::FromMilliseconds(
UserActivityDetector::kNotifyIntervalMs - 100));
detector_->OnKeyEvent(&event);
EXPECT_FALSE(event.handled());
EXPECT_EQ(0, observer_->num_invocations());
observer_->reset_stats();
// Advance time by the notification interval, definitely moving out of the
// rate limit. This should let us trigger another notification.
AdvanceTime(base::TimeDelta::FromMilliseconds(
UserActivityDetector::kNotifyIntervalMs));
detector_->OnKeyEvent(&event);
EXPECT_FALSE(event.handled());
EXPECT_EQ(1, observer_->num_invocations());
}
// Checks that the detector ignores synthetic mouse events.
TEST_F(UserActivityDetectorTest, IgnoreSyntheticMouseEvents) {
scoped_ptr<aura::Window> window(CreateTestWindowInShellWithId(12345));
ui::MouseEvent mouse_event(
ui::ET_MOUSE_MOVED, gfx::Point(), gfx::Point(), ui::EF_IS_SYNTHESIZED);
SetEventTarget(window.get(), &mouse_event);
detector_->OnMouseEvent(&mouse_event);
EXPECT_FALSE(mouse_event.handled());
EXPECT_EQ(base::TimeTicks().ToInternalValue(),
detector_->last_activity_time().ToInternalValue());
EXPECT_EQ(0, observer_->num_invocations());
}
} // namespace test
} // namespace ash
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