chromeos: Add DisplayPowerServiceProvider.

ash/wm/user_activity_detector_unittest.cc

 // 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"
@@ skipping 79 matching lines @@
 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(1, observer_->num_invocations());
   observer_->reset_stats();
 
-  base::TimeDelta advance_delta =
-      base::TimeDelta::FromSeconds(UserActivityDetector::kNotifyIntervalMs);
+  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(1, observer_->num_invocations());
   observer_->reset_stats();
 
-  // Ignore one mouse event when all displays are turned off.
-  detector_->OnAllOutputsTurnedOff();
-  AdvanceTime(advance_delta);
+  // Temporarily ignore mouse events when displays are turned on or off.
+  detector_->OnDisplayPowerChanging();
   detector_->OnMouseEvent(&mouse_event);
   EXPECT_FALSE(mouse_event.handled());
   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(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(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(1, observer_->num_invocations());
   observer_->reset_stats();
 
   AdvanceTime(advance_delta);
@@ skipping 52 matching lines @@
   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(0, observer_->num_invocations());
 }
 
 }  // namespace test
 }  // namespace ash