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