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 float GetStoredUIScale(int64 id) {
 111   return Shell::GetInstance()->display_manager()->GetDisplayInfo(id).
 112       GetEffectiveUIScale();
 113 }
 114
 115 }  // namespace
 116
 117 typedef test::AshTestBase RootWindowTransformersTest;
 118
 119 #if defined(OS_WIN)
 120 // TODO(scottmg): RootWindow doesn't get resized on Windows
 121 // Ash. http://crbug.com/247916.
 122 #define MAYBE_RotateAndMagnify DISABLED_RotateAndMagniy
 123 #define MAYBE_TouchScaleAndMagnify DISABLED_TouchScaleAndMagnify
 124 #define MAYBE_ConvertHostToRootCoords DISABLED_ConvertHostToRootCoords
 125 #else
 126 #define MAYBE_RotateAndMagnify RotateAndMagniy
 127 #define MAYBE_TouchScaleAndMagnify TouchScaleAndMagnify
 128 #define MAYBE_ConvertHostToRootCoords ConvertHostToRootCoords
 129 #endif
 130
 131 TEST_F(RootWindowTransformersTest, MAYBE_RotateAndMagnify) {
 132   MagnificationController* magnifier =
 133       Shell::GetInstance()->magnification_controller();
 134   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 135
 136   TestEventHandler event_handler;
 137   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 138
 139   UpdateDisplay("120x200,300x400*2");
 140   gfx::Display display1 = Shell::GetScreen()->GetPrimaryDisplay();
 141   int64 display2_id = ScreenUtil::GetSecondaryDisplay().id();
 142
 143   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 144   ui::test::EventGenerator generator1(root_windows[0]);
 145   ui::test::EventGenerator generator2(root_windows[1]);
 146
 147   magnifier->SetEnabled(true);
 148   EXPECT_EQ(2.0f, magnifier->GetScale());
 149   EXPECT_EQ("120x200", root_windows[0]->bounds().size().ToString());
 150   EXPECT_EQ("150x200", root_windows[1]->bounds().size().ToString());
 151   EXPECT_EQ("120,0 150x200",
 152             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 153   generator1.MoveMouseToInHost(40, 80);
 154   EXPECT_EQ("50,90", event_handler.GetLocationAndReset());
 155   EXPECT_EQ("50,90",
 156             aura::Env::GetInstance()->last_mouse_location().ToString());
 157   EXPECT_EQ(gfx::Display::ROTATE_0, GetActiveDisplayRotation(display1.id()));
 158   EXPECT_EQ(gfx::Display::ROTATE_0, GetActiveDisplayRotation(display2_id));
 159   magnifier->SetEnabled(false);
 160
 161   display_manager->SetDisplayRotation(display1.id(), gfx::Display::ROTATE_90,
 162                                       gfx::Display::ROTATION_SOURCE_ACTIVE);
 163   // Move the cursor to the center of the first root window.
 164   generator1.MoveMouseToInHost(59, 100);
 165
 166   magnifier->SetEnabled(true);
 167   EXPECT_EQ(2.0f, magnifier->GetScale());
 168   EXPECT_EQ("200x120", root_windows[0]->bounds().size().ToString());
 169   EXPECT_EQ("150x200", root_windows[1]->bounds().size().ToString());
 170   EXPECT_EQ("200,0 150x200",
 171             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 172   generator1.MoveMouseToInHost(39, 120);
 173   EXPECT_EQ("110,70", event_handler.GetLocationAndReset());
 174   EXPECT_EQ("110,70",
 175             aura::Env::GetInstance()->last_mouse_location().ToString());
 176   EXPECT_EQ(gfx::Display::ROTATE_90, GetActiveDisplayRotation(display1.id()));
 177   EXPECT_EQ(gfx::Display::ROTATE_0, GetActiveDisplayRotation(display2_id));
 178   magnifier->SetEnabled(false);
 179
 180   DisplayLayout display_layout(DisplayLayout::BOTTOM, 50);
 181   display_manager->SetLayoutForCurrentDisplays(display_layout);
 182   EXPECT_EQ("50,120 150x200",
 183             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 184
 185   display_manager->SetDisplayRotation(display2_id, gfx::Display::ROTATE_270,
 186                                       gfx::Display::ROTATION_SOURCE_ACTIVE);
 187   // Move the cursor to the center of the second root window.
 188   generator2.MoveMouseToInHost(151, 199);
 189
 190   magnifier->SetEnabled(true);
 191   EXPECT_EQ("200x120", root_windows[0]->bounds().size().ToString());
 192   EXPECT_EQ("200x150", root_windows[1]->bounds().size().ToString());
 193   EXPECT_EQ("50,120 200x150",
 194             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 195   generator2.MoveMouseToInHost(172, 219);
 196   EXPECT_EQ("95,80", event_handler.GetLocationAndReset());
 197   EXPECT_EQ("145,200",
 198             aura::Env::GetInstance()->last_mouse_location().ToString());
 199   EXPECT_EQ(gfx::Display::ROTATE_90, GetActiveDisplayRotation(display1.id()));
 200   EXPECT_EQ(gfx::Display::ROTATE_270, GetActiveDisplayRotation(display2_id));
 201   magnifier->SetEnabled(false);
 202
 203   display_manager->SetDisplayRotation(display1.id(), gfx::Display::ROTATE_180,
 204                                       gfx::Display::ROTATION_SOURCE_ACTIVE);
 205   // Move the cursor to the center of the first root window.
 206   generator1.MoveMouseToInHost(59, 99);
 207
 208   magnifier->SetEnabled(true);
 209   EXPECT_EQ("120x200", root_windows[0]->bounds().size().ToString());
 210   EXPECT_EQ("200x150", root_windows[1]->bounds().size().ToString());
 211   // Dislay must share at least 100, so the x's offset becomes 20.
 212   EXPECT_EQ("20,200 200x150",
 213             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 214   generator1.MoveMouseToInHost(39, 59);
 215   EXPECT_EQ("70,120", event_handler.GetLocationAndReset());
 216   EXPECT_EQ(gfx::Display::ROTATE_180, GetActiveDisplayRotation(display1.id()));
 217   EXPECT_EQ(gfx::Display::ROTATE_270, GetActiveDisplayRotation(display2_id));
 218   magnifier->SetEnabled(false);
 219
 220   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 221 }
 222
 223 TEST_F(RootWindowTransformersTest, ScaleAndMagnify) {
 224   if (!SupportsMultipleDisplays())
 225     return;
 226
 227   TestEventHandler event_handler;
 228   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 229
 230   UpdateDisplay("600x400*2@1.5,500x300");
 231
 232   gfx::Display display1 = Shell::GetScreen()->GetPrimaryDisplay();
 233   test::DisplayManagerTestApi(Shell::GetInstance()->display_manager())
 234       .SetInternalDisplayId(display1.id());
 235   gfx::Display display2 = ScreenUtil::GetSecondaryDisplay();
 236   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 237   MagnificationController* magnifier =
 238       Shell::GetInstance()->magnification_controller();
 239
 240   magnifier->SetEnabled(true);
 241   EXPECT_EQ(2.0f, magnifier->GetScale());
 242   EXPECT_EQ("0,0 450x300", display1.bounds().ToString());
 243   EXPECT_EQ("0,0 450x300", root_windows[0]->bounds().ToString());
 244   EXPECT_EQ("450,0 500x300", display2.bounds().ToString());
 245   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 246   EXPECT_EQ(1.0f, GetStoredUIScale(display2.id()));
 247
 248   ui::test::EventGenerator generator(root_windows[0]);
 249   generator.MoveMouseToInHost(500, 200);
 250   EXPECT_EQ("299,150", event_handler.GetLocationAndReset());
 251   magnifier->SetEnabled(false);
 252
 253   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 254   display_manager->SetDisplayUIScale(display1.id(), 1.25);
 255   display1 = Shell::GetScreen()->GetPrimaryDisplay();
 256   display2 = ScreenUtil::GetSecondaryDisplay();
 257   magnifier->SetEnabled(true);
 258   EXPECT_EQ(2.0f, magnifier->GetScale());
 259   EXPECT_EQ("0,0 375x250", display1.bounds().ToString());
 260   EXPECT_EQ("0,0 375x250", root_windows[0]->bounds().ToString());
 261   EXPECT_EQ("375,0 500x300", display2.bounds().ToString());
 262   EXPECT_EQ(1.25f, GetStoredUIScale(display1.id()));
 263   EXPECT_EQ(1.0f, GetStoredUIScale(display2.id()));
 264   magnifier->SetEnabled(false);
 265
 266   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 267 }
 268
 269 TEST_F(RootWindowTransformersTest, MAYBE_TouchScaleAndMagnify) {
 270   TestEventHandler event_handler;
 271   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 272
 273   UpdateDisplay("200x200*2");
 274   gfx::Display display = Shell::GetScreen()->GetPrimaryDisplay();
 275   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 276   aura::Window* root_window = root_windows[0];
 277   ui::test::EventGenerator generator(root_window);
 278   MagnificationController* magnifier =
 279       Shell::GetInstance()->magnification_controller();
 280
 281   magnifier->SetEnabled(true);
 282   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 283   magnifier->SetScale(2.5f, false);
 284   EXPECT_FLOAT_EQ(2.5f, magnifier->GetScale());
 285   generator.PressMoveAndReleaseTouchTo(50, 50);
 286   // Default test touches have radius_x/y = 1.0, with device scale
 287   // factor = 2, the scaled radius_x/y should be 0.5.
 288   EXPECT_FLOAT_EQ(0.2f, event_handler.touch_radius_x());
 289   EXPECT_FLOAT_EQ(0.2f, event_handler.touch_radius_y());
 290
 291   generator.ScrollSequence(gfx::Point(0,0),
 292                            base::TimeDelta::FromMilliseconds(100),
 293                            10.0, 1.0, 5, 1);
 294
 295   // ordinal_offset is invariant to the device scale factor.
 296   EXPECT_FLOAT_EQ(event_handler.scroll_x_offset(),
 297                   event_handler.scroll_x_offset_ordinal());
 298   EXPECT_FLOAT_EQ(event_handler.scroll_y_offset(),
 299                   event_handler.scroll_y_offset_ordinal());
 300   magnifier->SetEnabled(false);
 301
 302   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 303 }
 304
 305 TEST_F(RootWindowTransformersTest, MAYBE_ConvertHostToRootCoords) {
 306   TestEventHandler event_handler;
 307   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 308   MagnificationController* magnifier =
 309       Shell::GetInstance()->magnification_controller();
 310
 311   // Test 1
 312   UpdateDisplay("600x400*2/r@1.5");
 313
 314   gfx::Display display1 = Shell::GetScreen()->GetPrimaryDisplay();
 315   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 316   EXPECT_EQ("0,0 300x450", display1.bounds().ToString());
 317   EXPECT_EQ("0,0 300x450", root_windows[0]->bounds().ToString());
 318   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 319
 320   ui::test::EventGenerator generator(root_windows[0]);
 321   generator.MoveMouseToInHost(300, 200);
 322   magnifier->SetEnabled(true);
 323   EXPECT_EQ("150,224", event_handler.GetLocationAndReset());
 324   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 325
 326   generator.MoveMouseToInHost(300, 200);
 327   EXPECT_EQ("150,224", event_handler.GetLocationAndReset());
 328   generator.MoveMouseToInHost(200, 300);
 329   EXPECT_EQ("187,261", event_handler.GetLocationAndReset());
 330   generator.MoveMouseToInHost(100, 400);
 331   EXPECT_EQ("237,299", event_handler.GetLocationAndReset());
 332   generator.MoveMouseToInHost(0, 0);
 333   EXPECT_EQ("137,348", event_handler.GetLocationAndReset());
 334
 335   magnifier->SetEnabled(false);
 336   EXPECT_FLOAT_EQ(1.0f, magnifier->GetScale());
 337
 338   // Test 2
 339   UpdateDisplay("600x400*2/u@1.5");
 340   display1 = Shell::GetScreen()->GetPrimaryDisplay();
 341   root_windows = Shell::GetAllRootWindows();
 342   EXPECT_EQ("0,0 450x300", display1.bounds().ToString());
 343   EXPECT_EQ("0,0 450x300", root_windows[0]->bounds().ToString());
 344   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 345
 346   generator.MoveMouseToInHost(300, 200);
 347   magnifier->SetEnabled(true);
 348   EXPECT_EQ("224,149", event_handler.GetLocationAndReset());
 349   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 350
 351   generator.MoveMouseToInHost(300, 200);
 352   EXPECT_EQ("224,148", event_handler.GetLocationAndReset());
 353   generator.MoveMouseToInHost(200, 300);
 354   EXPECT_EQ("261,111", event_handler.GetLocationAndReset());
 355   generator.MoveMouseToInHost(100, 400);
 356   EXPECT_EQ("299,60", event_handler.GetLocationAndReset());
 357   generator.MoveMouseToInHost(0, 0);
 358   EXPECT_EQ("348,159", event_handler.GetLocationAndReset());
 359
 360   magnifier->SetEnabled(false);
 361   EXPECT_FLOAT_EQ(1.0f, magnifier->GetScale());
 362
 363   // Test 3
 364   UpdateDisplay("600x400*2/l@1.5");
 365   display1 = Shell::GetScreen()->GetPrimaryDisplay();
 366   root_windows = Shell::GetAllRootWindows();
 367   EXPECT_EQ("0,0 300x450", display1.bounds().ToString());
 368   EXPECT_EQ("0,0 300x450", root_windows[0]->bounds().ToString());
 369   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 370
 371   generator.MoveMouseToInHost(300, 200);
 372   magnifier->SetEnabled(true);
 373   EXPECT_EQ("149,225", event_handler.GetLocationAndReset());
 374   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 375
 376   generator.MoveMouseToInHost(300, 200);
 377   EXPECT_EQ("148,224", event_handler.GetLocationAndReset());
 378   generator.MoveMouseToInHost(200, 300);
 379   EXPECT_EQ("111,187", event_handler.GetLocationAndReset());
 380   generator.MoveMouseToInHost(100, 400);
 381   EXPECT_EQ("60,149", event_handler.GetLocationAndReset());
 382   generator.MoveMouseToInHost(0, 0);
 383   EXPECT_EQ("159,99", event_handler.GetLocationAndReset());
 384
 385   magnifier->SetEnabled(false);
 386   EXPECT_FLOAT_EQ(1.0f, magnifier->GetScale());
 387
 388   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 389 }
 390
 391 TEST_F(RootWindowTransformersTest, LetterBoxPillarBox) {
 392   if (!SupportsMultipleDisplays())
 393     return;
 394   test::MirrorWindowTestApi test_api;
 395   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 396   display_manager->SetMultiDisplayMode(DisplayManager::MIRRORING);
 397   UpdateDisplay("400x200,500x500");
 398   scoped_ptr<RootWindowTransformer> transformer(
 399       test_api.CreateCurrentRootWindowTransformer());
 400   // Y margin must be margin is (500 - 500/400 * 200) / 2 = 125.
 401   EXPECT_EQ("0,125,0,125", transformer->GetHostInsets().ToString());
 402
 403   UpdateDisplay("200x400,500x500");
 404   // The aspect ratio is flipped, so X margin is now 125.
 405   transformer = test_api.CreateCurrentRootWindowTransformer();
 406   EXPECT_EQ("125,0,125,0", transformer->GetHostInsets().ToString());
 407 }
 408
 409 }  // namespace ash