ash/wm/maximize_mode/maximize_mode_controller_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 <math.h>
   6
   7 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
   8
   9 #include "ash/ash_switches.h"
  10 #include "ash/display/display_manager.h"
  11 #include "ash/shell.h"
  12 #include "ash/system/tray/system_tray_delegate.h"
  13 #include "ash/test/ash_test_base.h"
  14 #include "ash/test/display_manager_test_api.h"
  15 #include "ash/test/test_system_tray_delegate.h"
  16 #include "ash/test/test_volume_control_delegate.h"
  17 #include "base/command_line.h"
  18 #include "base/test/simple_test_tick_clock.h"
  19 #include "chromeos/accelerometer/accelerometer_reader.h"
  20 #include "ui/accelerometer/accelerometer_types.h"
  21 #include "ui/events/event_handler.h"
  22 #include "ui/events/test/event_generator.h"
  23 #include "ui/gfx/geometry/vector3d_f.h"
  24 #include "ui/message_center/message_center.h"
  25
  26 #if defined(USE_X11)
  27 #include "ui/events/test/events_test_utils_x11.h"
  28 #endif
  29
  30 namespace ash {
  31
  32 namespace {
  33
  34 const float kDegreesToRadians = 3.1415926f / 180.0f;
  35 const float kMeanGravity = 9.8066f;
  36
  37 }  // namespace
  38
  39 // Test accelerometer data taken with the lid at less than 180 degrees while
  40 // shaking the device around. The data is to be interpreted in groups of 6 where
  41 // each 6 values corresponds to the X, Y, and Z readings from the base and lid
  42 // accelerometers in this order.
  43 extern const float kAccelerometerLaptopModeTestData[];
  44 extern const size_t kAccelerometerLaptopModeTestDataLength;
  45
  46 // Test accelerometer data taken with the lid open 360 degrees while
  47 // shaking the device around. The data is to be interpreted in groups of 6 where
  48 // each 6 values corresponds to the X, Y, and Z readings from the base and lid
  49 // accelerometers in this order.
  50 extern const float kAccelerometerFullyOpenTestData[];
  51 extern const size_t kAccelerometerFullyOpenTestDataLength;
  52
  53 class MaximizeModeControllerTest : public test::AshTestBase {
  54  public:
  55   MaximizeModeControllerTest() {}
  56   ~MaximizeModeControllerTest() override {}
  57
  58   void SetUp() override {
  59     test::AshTestBase::SetUp();
  60     Shell::GetInstance()->accelerometer_reader()->RemoveObserver(
  61         maximize_mode_controller());
  62
  63     // Set the first display to be the internal display for the accelerometer
  64     // screen rotation tests.
  65     test::DisplayManagerTestApi(Shell::GetInstance()->display_manager()).
  66         SetFirstDisplayAsInternalDisplay();
  67   }
  68
  69   void TearDown() override {
  70     Shell::GetInstance()->accelerometer_reader()->AddObserver(
  71         maximize_mode_controller());
  72     test::AshTestBase::TearDown();
  73   }
  74
  75   MaximizeModeController* maximize_mode_controller() {
  76     return Shell::GetInstance()->maximize_mode_controller();
  77   }
  78
  79   void TriggerLidUpdate(const gfx::Vector3dF& lid) {
  80     ui::AccelerometerUpdate update;
  81     update.Set(ui::ACCELEROMETER_SOURCE_SCREEN, lid.x(), lid.y(), lid.z());
  82     maximize_mode_controller()->OnAccelerometerUpdated(update);
  83   }
  84
  85   void TriggerBaseAndLidUpdate(const gfx::Vector3dF& base,
  86                                const gfx::Vector3dF& lid) {
  87     ui::AccelerometerUpdate update;
  88     update.Set(ui::ACCELEROMETER_SOURCE_ATTACHED_KEYBOARD,
  89         base.x(), base.y(), base.z());
  90     update.Set(ui::ACCELEROMETER_SOURCE_SCREEN,
  91         lid.x(), lid.y(), lid.z());
  92     maximize_mode_controller()->OnAccelerometerUpdated(update);
  93   }
  94
  95   bool IsMaximizeModeStarted() {
  96     return maximize_mode_controller()->IsMaximizeModeWindowManagerEnabled();
  97   }
  98
  99   gfx::Display::Rotation GetInternalDisplayRotation() const {
 100     return Shell::GetInstance()->display_manager()->GetDisplayInfo(
 101         gfx::Display::InternalDisplayId()).rotation();
 102   }
 103
 104   void SetInternalDisplayRotation(gfx::Display::Rotation rotation) const {
 105     Shell::GetInstance()->display_manager()->
 106         SetDisplayRotation(gfx::Display::InternalDisplayId(), rotation);
 107   }
 108
 109   // Attaches a SimpleTestTickClock to the MaximizeModeController with a non
 110   // null value initial value.
 111   void AttachTickClockForTest() {
 112     scoped_ptr<base::TickClock> tick_clock(
 113         test_tick_clock_ = new base::SimpleTestTickClock());
 114     test_tick_clock_->Advance(base::TimeDelta::FromSeconds(1));
 115     maximize_mode_controller()->SetTickClockForTest(tick_clock.Pass());
 116   }
 117
 118   void AdvanceTickClock(const base::TimeDelta& delta) {
 119     DCHECK(test_tick_clock_);
 120     test_tick_clock_->Advance(delta);
 121   }
 122
 123   void OpenLidToAngle(float degrees) {
 124     DCHECK(degrees >= 0.0f);
 125     DCHECK(degrees <= 360.0f);
 126
 127     float radians = degrees * kDegreesToRadians;
 128     gfx::Vector3dF base_vector(0.0f, -kMeanGravity, 0.0f);
 129     gfx::Vector3dF lid_vector(0.0f,
 130                               kMeanGravity * cos(radians),
 131                               kMeanGravity * sin(radians));
 132     TriggerBaseAndLidUpdate(base_vector, lid_vector);
 133   }
 134
 135   void OpenLid() {
 136     maximize_mode_controller()->LidEventReceived(true /* open */,
 137         maximize_mode_controller()->tick_clock_->NowTicks());
 138   }
 139
 140   void CloseLid() {
 141     maximize_mode_controller()->LidEventReceived(false /* open */,
 142         maximize_mode_controller()->tick_clock_->NowTicks());
 143   }
 144
 145   bool WasLidOpenedRecently() {
 146     return maximize_mode_controller()->WasLidOpenedRecently();
 147   }
 148
 149  private:
 150   base::SimpleTestTickClock* test_tick_clock_;
 151
 152   DISALLOW_COPY_AND_ASSIGN(MaximizeModeControllerTest);
 153 };
 154
 155 // Verify that closing the lid will exit maximize mode.
 156 TEST_F(MaximizeModeControllerTest, CloseLidWhileInMaximizeMode) {
 157   OpenLidToAngle(315.0f);
 158   ASSERT_TRUE(IsMaximizeModeStarted());
 159
 160   CloseLid();
 161   EXPECT_FALSE(IsMaximizeModeStarted());
 162 }
 163
 164 // Verify that maximize mode will not be entered when the lid is closed.
 165 TEST_F(MaximizeModeControllerTest,
 166     HingeAnglesWithLidClosed) {
 167   AttachTickClockForTest();
 168
 169   CloseLid();
 170
 171   OpenLidToAngle(270.0f);
 172   EXPECT_FALSE(IsMaximizeModeStarted());
 173
 174   OpenLidToAngle(315.0f);
 175   EXPECT_FALSE(IsMaximizeModeStarted());
 176
 177   OpenLidToAngle(355.0f);
 178   EXPECT_FALSE(IsMaximizeModeStarted());
 179 }
 180
 181 // Verify the maximize mode state for unstable hinge angles when the lid was
 182 // recently open.
 183 TEST_F(MaximizeModeControllerTest,
 184     UnstableHingeAnglesWhenLidRecentlyOpened) {
 185   AttachTickClockForTest();
 186
 187   OpenLid();
 188   ASSERT_TRUE(WasLidOpenedRecently());
 189
 190   OpenLidToAngle(5.0f);
 191   EXPECT_FALSE(IsMaximizeModeStarted());
 192
 193   OpenLidToAngle(355.0f);
 194   EXPECT_FALSE(IsMaximizeModeStarted());
 195
 196   // This is a stable reading and should clear the last lid opened time.
 197   OpenLidToAngle(45.0f);
 198   EXPECT_FALSE(IsMaximizeModeStarted());
 199   EXPECT_FALSE(WasLidOpenedRecently());
 200
 201   OpenLidToAngle(355.0f);
 202   EXPECT_TRUE(IsMaximizeModeStarted());
 203 }
 204
 205 // Verify the WasLidOpenedRecently signal with respect to time.
 206 TEST_F(MaximizeModeControllerTest, WasLidOpenedRecentlyOverTime) {
 207   AttachTickClockForTest();
 208
 209   // No lid open time initially.
 210   ASSERT_FALSE(WasLidOpenedRecently());
 211
 212   CloseLid();
 213   EXPECT_FALSE(WasLidOpenedRecently());
 214
 215   OpenLid();
 216   EXPECT_TRUE(WasLidOpenedRecently());
 217
 218   // 1 second after lid open.
 219   AdvanceTickClock(base::TimeDelta::FromSeconds(1));
 220   EXPECT_TRUE(WasLidOpenedRecently());
 221
 222   // 3 seconds after lid open.
 223   AdvanceTickClock(base::TimeDelta::FromSeconds(2));
 224   EXPECT_FALSE(WasLidOpenedRecently());
 225 }
 226
 227 // Verify the maximize mode enter/exit thresholds for stable angles.
 228 TEST_F(MaximizeModeControllerTest, StableHingeAnglesWithLidOpened) {
 229   ASSERT_FALSE(IsMaximizeModeStarted());
 230   ASSERT_FALSE(WasLidOpenedRecently());
 231
 232   OpenLidToAngle(180.0f);
 233   EXPECT_FALSE(IsMaximizeModeStarted());
 234
 235   OpenLidToAngle(315.0f);
 236   EXPECT_TRUE(IsMaximizeModeStarted());
 237
 238   OpenLidToAngle(180.0f);
 239   EXPECT_TRUE(IsMaximizeModeStarted());
 240
 241   OpenLidToAngle(45.0f);
 242   EXPECT_FALSE(IsMaximizeModeStarted());
 243
 244   OpenLidToAngle(270.0f);
 245   EXPECT_TRUE(IsMaximizeModeStarted());
 246
 247   OpenLidToAngle(90.0f);
 248   EXPECT_FALSE(IsMaximizeModeStarted());
 249 }
 250
 251 // Verify the maximize mode state for unstable hinge angles when the lid is open
 252 // but not recently.
 253 TEST_F(MaximizeModeControllerTest, UnstableHingeAnglesWithLidOpened) {
 254   AttachTickClockForTest();
 255
 256   ASSERT_FALSE(WasLidOpenedRecently());
 257   ASSERT_FALSE(IsMaximizeModeStarted());
 258
 259   OpenLidToAngle(5.0f);
 260   EXPECT_FALSE(IsMaximizeModeStarted());
 261
 262   OpenLidToAngle(355.0f);
 263   EXPECT_TRUE(IsMaximizeModeStarted());
 264
 265   OpenLidToAngle(5.0f);
 266   EXPECT_TRUE(IsMaximizeModeStarted());
 267 }
 268
 269 // Tests that when the hinge is nearly vertically aligned, the current state
 270 // persists as the computed angle is highly inaccurate in this orientation.
 271 TEST_F(MaximizeModeControllerTest, HingeAligned) {
 272   // Laptop in normal orientation lid open 90 degrees.
 273   TriggerBaseAndLidUpdate(gfx::Vector3dF(0.0f, 0.0f, -kMeanGravity),
 274                           gfx::Vector3dF(0.0f, -kMeanGravity, 0.0f));
 275   EXPECT_FALSE(IsMaximizeModeStarted());
 276
 277   // Completely vertical.
 278   TriggerBaseAndLidUpdate(gfx::Vector3dF(kMeanGravity, 0.0f, 0.0f),
 279                           gfx::Vector3dF(kMeanGravity, 0.0f, 0.0f));
 280   EXPECT_FALSE(IsMaximizeModeStarted());
 281
 282   // Close to vertical but with hinge appearing to be open 270 degrees.
 283   TriggerBaseAndLidUpdate(gfx::Vector3dF(kMeanGravity, 0.0f, -0.1f),
 284                           gfx::Vector3dF(kMeanGravity, 0.1f, 0.0f));
 285   EXPECT_FALSE(IsMaximizeModeStarted());
 286
 287   // Flat and open 270 degrees should start maximize mode.
 288   TriggerBaseAndLidUpdate(gfx::Vector3dF(0.0f, 0.0f, -kMeanGravity),
 289                           gfx::Vector3dF(0.0f, kMeanGravity, 0.0f));
 290   EXPECT_TRUE(IsMaximizeModeStarted());
 291
 292   // Normal 90 degree orientation but near vertical should stay in maximize
 293   // mode.
 294   TriggerBaseAndLidUpdate(gfx::Vector3dF(kMeanGravity, 0.0f, -0.1f),
 295                           gfx::Vector3dF(kMeanGravity, -0.1f, 0.0f));
 296   EXPECT_TRUE(IsMaximizeModeStarted());
 297 }
 298
 299 TEST_F(MaximizeModeControllerTest, LaptopTest) {
 300   // Feeds in sample accelerometer data and verifies that there are no
 301   // transitions into touchview / maximize mode while shaking the device around
 302   // with the hinge at less than 180 degrees. Note the conversion from device
 303   // data to accelerometer updates consistent with accelerometer_reader.cc.
 304   ASSERT_EQ(0u, kAccelerometerLaptopModeTestDataLength % 6);
 305   for (size_t i = 0; i < kAccelerometerLaptopModeTestDataLength / 6; ++i) {
 306     gfx::Vector3dF base(-kAccelerometerLaptopModeTestData[i * 6 + 1],
 307                         -kAccelerometerLaptopModeTestData[i * 6],
 308                         -kAccelerometerLaptopModeTestData[i * 6 + 2]);
 309     base.Scale(kMeanGravity);
 310     gfx::Vector3dF lid(-kAccelerometerLaptopModeTestData[i * 6 + 4],
 311                        kAccelerometerLaptopModeTestData[i * 6 + 3],
 312                        kAccelerometerLaptopModeTestData[i * 6 + 5]);
 313     lid.Scale(kMeanGravity);
 314     TriggerBaseAndLidUpdate(base, lid);
 315     // There are a lot of samples, so ASSERT rather than EXPECT to only generate
 316     // one failure rather than potentially hundreds.
 317     ASSERT_FALSE(IsMaximizeModeStarted());
 318   }
 319 }
 320
 321 TEST_F(MaximizeModeControllerTest, MaximizeModeTest) {
 322   // Trigger maximize mode by opening to 270 to begin the test in maximize mode.
 323   TriggerBaseAndLidUpdate(gfx::Vector3dF(0.0f, 0.0f, kMeanGravity),
 324                           gfx::Vector3dF(0.0f, -kMeanGravity, 0.0f));
 325   ASSERT_TRUE(IsMaximizeModeStarted());
 326
 327   // Feeds in sample accelerometer data and verifies that there are no
 328   // transitions out of touchview / maximize mode while shaking the device
 329   // around. Note the conversion from device data to accelerometer updates
 330   // consistent with accelerometer_reader.cc.
 331   ASSERT_EQ(0u, kAccelerometerFullyOpenTestDataLength % 6);
 332   for (size_t i = 0; i < kAccelerometerFullyOpenTestDataLength / 6; ++i) {
 333     gfx::Vector3dF base(-kAccelerometerFullyOpenTestData[i * 6 + 1],
 334                         -kAccelerometerFullyOpenTestData[i * 6],
 335                         -kAccelerometerFullyOpenTestData[i * 6 + 2]);
 336     base.Scale(kMeanGravity);
 337     gfx::Vector3dF lid(-kAccelerometerFullyOpenTestData[i * 6 + 4],
 338                        kAccelerometerFullyOpenTestData[i * 6 + 3],
 339                        kAccelerometerFullyOpenTestData[i * 6 + 5]);
 340     lid.Scale(kMeanGravity);
 341     TriggerBaseAndLidUpdate(base, lid);
 342     // There are a lot of samples, so ASSERT rather than EXPECT to only generate
 343     // one failure rather than potentially hundreds.
 344     ASSERT_TRUE(IsMaximizeModeStarted());
 345   }
 346 }
 347
 348 class MaximizeModeControllerSwitchesTest : public MaximizeModeControllerTest {
 349  public:
 350   MaximizeModeControllerSwitchesTest() {}
 351   ~MaximizeModeControllerSwitchesTest() override {}
 352
 353   void SetUp() override {
 354     base::CommandLine::ForCurrentProcess()->AppendSwitch(
 355         switches::kAshEnableTouchViewTesting);
 356     MaximizeModeControllerTest::SetUp();
 357   }
 358  private:
 359   DISALLOW_COPY_AND_ASSIGN(MaximizeModeControllerSwitchesTest);
 360 };
 361
 362 // Tests that when the command line switch for testing maximize mode is on, that
 363 // accelerometer updates which would normally cause it to exit do not.
 364 TEST_F(MaximizeModeControllerSwitchesTest, IgnoreHingeAngles) {
 365   maximize_mode_controller()->EnableMaximizeModeWindowManager(true);
 366
 367   // Would normally trigger an exit from maximize mode.
 368   OpenLidToAngle(90.0f);
 369   EXPECT_TRUE(IsMaximizeModeStarted());
 370 }
 371
 372 }  // namespace ash