ash/display/root_window_transformers_unittest.cc

   1 // Copyright 2013 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 "ash/display/root_window_transformers.h"
   6
   7 #include "ash/display/display_info.h"
   8 #include "ash/display/display_manager.h"
   9 #include "ash/host/root_window_transformer.h"
  10 #include "ash/magnifier/magnification_controller.h"
  11 #include "ash/screen_util.h"
  12 #include "ash/shelf/shelf.h"
  13 #include "ash/shelf/shelf_widget.h"
  14 #include "ash/shell.h"
  15 #include "ash/test/ash_test_base.h"
  16 #include "ash/test/cursor_manager_test_api.h"
  17 #include "ash/test/display_manager_test_api.h"
  18 #include "ash/test/mirror_window_test_api.h"
  19 #include "base/synchronization/waitable_event.h"
  20 #include "ui/aura/env.h"
  21 #include "ui/aura/window_event_dispatcher.h"
  22 #include "ui/aura/window_tracker.h"
  23 #include "ui/events/event_handler.h"
  24 #include "ui/events/test/event_generator.h"
  25 #include "ui/gfx/display.h"
  26 #include "ui/gfx/geometry/rect_conversions.h"
  27 #include "ui/gfx/screen.h"
  28 #include "ui/views/widget/widget.h"
  29
  30 namespace ash {
  31 namespace {
  32
  33 const char kDesktopBackgroundView[] = "DesktopBackgroundView";
  34
  35 class TestEventHandler : public ui::EventHandler {
  36  public:
  37   TestEventHandler() : target_root_(NULL),
  38                        touch_radius_x_(0.0),
  39                        touch_radius_y_(0.0),
  40                        scroll_x_offset_(0.0),
  41                        scroll_y_offset_(0.0),
  42                        scroll_x_offset_ordinal_(0.0),
  43                        scroll_y_offset_ordinal_(0.0) {}
  44   ~TestEventHandler() override {}
  45
  46   void OnMouseEvent(ui::MouseEvent* event) override {
  47     if (event->flags() & ui::EF_IS_SYNTHESIZED)
  48       return;
  49     aura::Window* target = static_cast<aura::Window*>(event->target());
  50     mouse_location_ = event->root_location();
  51     target_root_ = target->GetRootWindow();
  52     event->StopPropagation();
  53   }
  54
  55   void OnTouchEvent(ui::TouchEvent* event) override {
  56     aura::Window* target = static_cast<aura::Window*>(event->target());
  57     // Only record when the target is the background which covers
  58     // entire root window.
  59     if (target->name() != kDesktopBackgroundView)
  60       return;
  61     touch_radius_x_ = event->radius_x();
  62     touch_radius_y_ = event->radius_y();
  63     event->StopPropagation();
  64   }
  65
  66   void OnScrollEvent(ui::ScrollEvent* event) override {
  67     aura::Window* target = static_cast<aura::Window*>(event->target());
  68     // Only record when the target is the background which covers
  69     // entire root window.
  70     if (target->name() != kDesktopBackgroundView)
  71       return;
  72
  73     if (event->type() == ui::ET_SCROLL) {
  74       scroll_x_offset_ = event->x_offset();
  75       scroll_y_offset_ = event->y_offset();
  76       scroll_x_offset_ordinal_ = event->x_offset_ordinal();
  77       scroll_y_offset_ordinal_ = event->y_offset_ordinal();
  78     }
  79     event->StopPropagation();
  80   }
  81
  82   std::string GetLocationAndReset() {
  83     std::string result = mouse_location_.ToString();
  84     mouse_location_.SetPoint(0, 0);
  85     target_root_ = NULL;
  86     return result;
  87   }
  88
  89   float touch_radius_x() const { return touch_radius_x_; }
  90   float touch_radius_y() const { return touch_radius_y_; }
  91   float scroll_x_offset() const { return scroll_x_offset_; }
  92   float scroll_y_offset() const { return scroll_y_offset_; }
  93   float scroll_x_offset_ordinal() const { return scroll_x_offset_ordinal_; }
  94   float scroll_y_offset_ordinal() const { return scroll_y_offset_ordinal_; }
  95
  96  private:
  97   gfx::Point mouse_location_;
  98   aura::Window* target_root_;
  99
 100   float touch_radius_x_;
 101   float touch_radius_y_;
 102   float scroll_x_offset_;
 103   float scroll_y_offset_;
 104   float scroll_x_offset_ordinal_;
 105   float scroll_y_offset_ordinal_;
 106
 107   DISALLOW_COPY_AND_ASSIGN(TestEventHandler);
 108 };
 109
 110 gfx::Display::Rotation GetStoredRotation(int64 id) {
 111   return Shell::GetInstance()->display_manager()->GetDisplayInfo(id).rotation();
 112 }
 113
 114 float GetStoredUIScale(int64 id) {
 115   return Shell::GetInstance()->display_manager()->GetDisplayInfo(id).
 116       GetEffectiveUIScale();
 117 }
 118
 119 }  // namespace
 120
 121 typedef test::AshTestBase RootWindowTransformersTest;
 122
 123 #if defined(OS_WIN)
 124 // TODO(scottmg): RootWindow doesn't get resized on Windows
 125 // Ash. http://crbug.com/247916.
 126 #define MAYBE_RotateAndMagnify DISABLED_RotateAndMagniy
 127 #define MAYBE_TouchScaleAndMagnify DISABLED_TouchScaleAndMagnify
 128 #define MAYBE_ConvertHostToRootCoords DISABLED_ConvertHostToRootCoords
 129 #else
 130 #define MAYBE_RotateAndMagnify RotateAndMagniy
 131 #define MAYBE_TouchScaleAndMagnify TouchScaleAndMagnify
 132 #define MAYBE_ConvertHostToRootCoords ConvertHostToRootCoords
 133 #endif
 134
 135 TEST_F(RootWindowTransformersTest, MAYBE_RotateAndMagnify) {
 136   MagnificationController* magnifier =
 137       Shell::GetInstance()->magnification_controller();
 138   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 139
 140   TestEventHandler event_handler;
 141   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 142
 143   UpdateDisplay("120x200,300x400*2");
 144   gfx::Display display1 = Shell::GetScreen()->GetPrimaryDisplay();
 145   int64 display2_id = ScreenUtil::GetSecondaryDisplay().id();
 146
 147   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 148   ui::test::EventGenerator generator1(root_windows[0]);
 149   ui::test::EventGenerator generator2(root_windows[1]);
 150
 151   magnifier->SetEnabled(true);
 152   EXPECT_EQ(2.0f, magnifier->GetScale());
 153   EXPECT_EQ("120x200", root_windows[0]->bounds().size().ToString());
 154   EXPECT_EQ("150x200", root_windows[1]->bounds().size().ToString());
 155   EXPECT_EQ("120,0 150x200",
 156             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 157   generator1.MoveMouseToInHost(40, 80);
 158   EXPECT_EQ("50,90", event_handler.GetLocationAndReset());
 159   EXPECT_EQ("50,90",
 160             aura::Env::GetInstance()->last_mouse_location().ToString());
 161   EXPECT_EQ(gfx::Display::ROTATE_0, GetStoredRotation(display1.id()));
 162   EXPECT_EQ(gfx::Display::ROTATE_0, GetStoredRotation(display2_id));
 163   magnifier->SetEnabled(false);
 164
 165   display_manager->SetDisplayRotation(display1.id(),
 166                                       gfx::Display::ROTATE_90);
 167   // Move the cursor to the center of the first root window.
 168   generator1.MoveMouseToInHost(59, 100);
 169
 170   magnifier->SetEnabled(true);
 171   EXPECT_EQ(2.0f, magnifier->GetScale());
 172   EXPECT_EQ("200x120", root_windows[0]->bounds().size().ToString());
 173   EXPECT_EQ("150x200", root_windows[1]->bounds().size().ToString());
 174   EXPECT_EQ("200,0 150x200",
 175             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 176   generator1.MoveMouseToInHost(39, 120);
 177   EXPECT_EQ("110,70", event_handler.GetLocationAndReset());
 178   EXPECT_EQ("110,70",
 179             aura::Env::GetInstance()->last_mouse_location().ToString());
 180   EXPECT_EQ(gfx::Display::ROTATE_90, GetStoredRotation(display1.id()));
 181   EXPECT_EQ(gfx::Display::ROTATE_0, GetStoredRotation(display2_id));
 182   magnifier->SetEnabled(false);
 183
 184   DisplayLayout display_layout(DisplayLayout::BOTTOM, 50);
 185   display_manager->SetLayoutForCurrentDisplays(display_layout);
 186   EXPECT_EQ("50,120 150x200",
 187             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 188
 189   display_manager->SetDisplayRotation(display2_id,
 190                                       gfx::Display::ROTATE_270);
 191   // Move the cursor to the center of the second root window.
 192   generator2.MoveMouseToInHost(151, 199);
 193
 194   magnifier->SetEnabled(true);
 195   EXPECT_EQ("200x120", root_windows[0]->bounds().size().ToString());
 196   EXPECT_EQ("200x150", root_windows[1]->bounds().size().ToString());
 197   EXPECT_EQ("50,120 200x150",
 198             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 199   generator2.MoveMouseToInHost(172, 219);
 200   EXPECT_EQ("95,80", event_handler.GetLocationAndReset());
 201   EXPECT_EQ("145,200",
 202             aura::Env::GetInstance()->last_mouse_location().ToString());
 203   EXPECT_EQ(gfx::Display::ROTATE_90, GetStoredRotation(display1.id()));
 204   EXPECT_EQ(gfx::Display::ROTATE_270, GetStoredRotation(display2_id));
 205   magnifier->SetEnabled(false);
 206
 207   display_manager->SetDisplayRotation(display1.id(),
 208                                       gfx::Display::ROTATE_180);
 209   // Move the cursor to the center of the first root window.
 210   generator1.MoveMouseToInHost(59, 99);
 211
 212   magnifier->SetEnabled(true);
 213   EXPECT_EQ("120x200", root_windows[0]->bounds().size().ToString());
 214   EXPECT_EQ("200x150", root_windows[1]->bounds().size().ToString());
 215   // Dislay must share at least 100, so the x's offset becomes 20.
 216   EXPECT_EQ("20,200 200x150",
 217             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 218   generator1.MoveMouseToInHost(39, 59);
 219   EXPECT_EQ("70,120", event_handler.GetLocationAndReset());
 220   EXPECT_EQ(gfx::Display::ROTATE_180, GetStoredRotation(display1.id()));
 221   EXPECT_EQ(gfx::Display::ROTATE_270, GetStoredRotation(display2_id));
 222   magnifier->SetEnabled(false);
 223
 224   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 225 }
 226
 227 TEST_F(RootWindowTransformersTest, ScaleAndMagnify) {
 228   if (!SupportsMultipleDisplays())
 229     return;
 230
 231   TestEventHandler event_handler;
 232   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 233
 234   UpdateDisplay("600x400*2@1.5,500x300");
 235
 236   gfx::Display display1 = Shell::GetScreen()->GetPrimaryDisplay();
 237   test::DisplayManagerTestApi(Shell::GetInstance()->display_manager())
 238       .SetInternalDisplayId(display1.id());
 239   gfx::Display display2 = ScreenUtil::GetSecondaryDisplay();
 240   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 241   MagnificationController* magnifier =
 242       Shell::GetInstance()->magnification_controller();
 243
 244   magnifier->SetEnabled(true);
 245   EXPECT_EQ(2.0f, magnifier->GetScale());
 246   EXPECT_EQ("0,0 450x300", display1.bounds().ToString());
 247   EXPECT_EQ("0,0 450x300", root_windows[0]->bounds().ToString());
 248   EXPECT_EQ("450,0 500x300", display2.bounds().ToString());
 249   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 250   EXPECT_EQ(1.0f, GetStoredUIScale(display2.id()));
 251
 252   ui::test::EventGenerator generator(root_windows[0]);
 253   generator.MoveMouseToInHost(500, 200);
 254   EXPECT_EQ("299,150", event_handler.GetLocationAndReset());
 255   magnifier->SetEnabled(false);
 256
 257   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 258   display_manager->SetDisplayUIScale(display1.id(), 1.25);
 259   display1 = Shell::GetScreen()->GetPrimaryDisplay();
 260   display2 = ScreenUtil::GetSecondaryDisplay();
 261   magnifier->SetEnabled(true);
 262   EXPECT_EQ(2.0f, magnifier->GetScale());
 263   EXPECT_EQ("0,0 375x250", display1.bounds().ToString());
 264   EXPECT_EQ("0,0 375x250", root_windows[0]->bounds().ToString());
 265   EXPECT_EQ("375,0 500x300", display2.bounds().ToString());
 266   EXPECT_EQ(1.25f, GetStoredUIScale(display1.id()));
 267   EXPECT_EQ(1.0f, GetStoredUIScale(display2.id()));
 268   magnifier->SetEnabled(false);
 269
 270   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 271 }
 272
 273 TEST_F(RootWindowTransformersTest, MAYBE_TouchScaleAndMagnify) {
 274   TestEventHandler event_handler;
 275   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 276
 277   UpdateDisplay("200x200*2");
 278   gfx::Display display = Shell::GetScreen()->GetPrimaryDisplay();
 279   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 280   aura::Window* root_window = root_windows[0];
 281   ui::test::EventGenerator generator(root_window);
 282   MagnificationController* magnifier =
 283       Shell::GetInstance()->magnification_controller();
 284
 285   magnifier->SetEnabled(true);
 286   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 287   magnifier->SetScale(2.5f, false);
 288   EXPECT_FLOAT_EQ(2.5f, magnifier->GetScale());
 289   generator.PressMoveAndReleaseTouchTo(50, 50);
 290   // Default test touches have radius_x/y = 1.0, with device scale
 291   // factor = 2, the scaled radius_x/y should be 0.5.
 292   EXPECT_FLOAT_EQ(0.2f, event_handler.touch_radius_x());
 293   EXPECT_FLOAT_EQ(0.2f, event_handler.touch_radius_y());
 294
 295   generator.ScrollSequence(gfx::Point(0,0),
 296                            base::TimeDelta::FromMilliseconds(100),
 297                            10.0, 1.0, 5, 1);
 298
 299   // ordinal_offset is invariant to the device scale factor.
 300   EXPECT_FLOAT_EQ(event_handler.scroll_x_offset(),
 301                   event_handler.scroll_x_offset_ordinal());
 302   EXPECT_FLOAT_EQ(event_handler.scroll_y_offset(),
 303                   event_handler.scroll_y_offset_ordinal());
 304   magnifier->SetEnabled(false);
 305
 306   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 307 }
 308
 309 TEST_F(RootWindowTransformersTest, MAYBE_ConvertHostToRootCoords) {
 310   TestEventHandler event_handler;
 311   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 312   MagnificationController* magnifier =
 313       Shell::GetInstance()->magnification_controller();
 314
 315   // Test 1
 316   UpdateDisplay("600x400*2/r@1.5");
 317
 318   gfx::Display display1 = Shell::GetScreen()->GetPrimaryDisplay();
 319   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 320   EXPECT_EQ("0,0 300x450", display1.bounds().ToString());
 321   EXPECT_EQ("0,0 300x450", root_windows[0]->bounds().ToString());
 322   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 323
 324   ui::test::EventGenerator generator(root_windows[0]);
 325   generator.MoveMouseToInHost(300, 200);
 326   magnifier->SetEnabled(true);
 327   EXPECT_EQ("150,224", event_handler.GetLocationAndReset());
 328   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 329
 330   generator.MoveMouseToInHost(300, 200);
 331   EXPECT_EQ("150,224", event_handler.GetLocationAndReset());
 332   generator.MoveMouseToInHost(200, 300);
 333   EXPECT_EQ("187,261", event_handler.GetLocationAndReset());
 334   generator.MoveMouseToInHost(100, 400);
 335   EXPECT_EQ("237,299", event_handler.GetLocationAndReset());
 336   generator.MoveMouseToInHost(0, 0);
 337   EXPECT_EQ("137,348", event_handler.GetLocationAndReset());
 338
 339   magnifier->SetEnabled(false);
 340   EXPECT_FLOAT_EQ(1.0f, magnifier->GetScale());
 341
 342   // Test 2
 343   UpdateDisplay("600x400*2/u@1.5");
 344   display1 = Shell::GetScreen()->GetPrimaryDisplay();
 345   root_windows = Shell::GetAllRootWindows();
 346   EXPECT_EQ("0,0 450x300", display1.bounds().ToString());
 347   EXPECT_EQ("0,0 450x300", root_windows[0]->bounds().ToString());
 348   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 349
 350   generator.MoveMouseToInHost(300, 200);
 351   magnifier->SetEnabled(true);
 352   EXPECT_EQ("224,149", event_handler.GetLocationAndReset());
 353   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 354
 355   generator.MoveMouseToInHost(300, 200);
 356   EXPECT_EQ("224,148", event_handler.GetLocationAndReset());
 357   generator.MoveMouseToInHost(200, 300);
 358   EXPECT_EQ("261,111", event_handler.GetLocationAndReset());
 359   generator.MoveMouseToInHost(100, 400);
 360   EXPECT_EQ("299,60", event_handler.GetLocationAndReset());
 361   generator.MoveMouseToInHost(0, 0);
 362   EXPECT_EQ("348,159", event_handler.GetLocationAndReset());
 363
 364   magnifier->SetEnabled(false);
 365   EXPECT_FLOAT_EQ(1.0f, magnifier->GetScale());
 366
 367   // Test 3
 368   UpdateDisplay("600x400*2/l@1.5");
 369   display1 = Shell::GetScreen()->GetPrimaryDisplay();
 370   root_windows = Shell::GetAllRootWindows();
 371   EXPECT_EQ("0,0 300x450", display1.bounds().ToString());
 372   EXPECT_EQ("0,0 300x450", root_windows[0]->bounds().ToString());
 373   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 374
 375   generator.MoveMouseToInHost(300, 200);
 376   magnifier->SetEnabled(true);
 377   EXPECT_EQ("149,225", event_handler.GetLocationAndReset());
 378   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 379
 380   generator.MoveMouseToInHost(300, 200);
 381   EXPECT_EQ("148,224", event_handler.GetLocationAndReset());
 382   generator.MoveMouseToInHost(200, 300);
 383   EXPECT_EQ("111,187", event_handler.GetLocationAndReset());
 384   generator.MoveMouseToInHost(100, 400);
 385   EXPECT_EQ("60,149", event_handler.GetLocationAndReset());
 386   generator.MoveMouseToInHost(0, 0);
 387   EXPECT_EQ("159,99", event_handler.GetLocationAndReset());
 388
 389   magnifier->SetEnabled(false);
 390   EXPECT_FLOAT_EQ(1.0f, magnifier->GetScale());
 391
 392   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 393 }
 394
 395 TEST_F(RootWindowTransformersTest, LetterBoxPillarBox) {
 396   if (!SupportsMultipleDisplays())
 397     return;
 398   test::MirrorWindowTestApi test_api;
 399   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 400   display_manager->SetSecondDisplayMode(DisplayManager::MIRRORING);
 401   UpdateDisplay("400x200,500x500");
 402   scoped_ptr<RootWindowTransformer> transformer(
 403       test_api.CreateCurrentRootWindowTransformer());
 404   // Y margin must be margin is (500 - 500/400 * 200) / 2 = 125.
 405   EXPECT_EQ("0,125,0,125", transformer->GetHostInsets().ToString());
 406
 407   UpdateDisplay("200x400,500x500");
 408   // The aspect ratio is flipped, so X margin is now 125.
 409   transformer = test_api.CreateCurrentRootWindowTransformer();
 410   EXPECT_EQ("125,0,125,0", transformer->GetHostInsets().ToString());
 411 }
 412
 413 }  // namespace ash