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/display/display_util.h"
  10 #include "ash/host/root_window_transformer.h"
  11 #include "ash/magnifier/magnification_controller.h"
  12 #include "ash/screen_util.h"
  13 #include "ash/shelf/shelf.h"
  14 #include "ash/shelf/shelf_widget.h"
  15 #include "ash/shell.h"
  16 #include "ash/test/ash_test_base.h"
  17 #include "ash/test/cursor_manager_test_api.h"
  18 #include "ash/test/display_manager_test_api.h"
  19 #include "ash/test/mirror_window_test_api.h"
  20 #include "base/synchronization/waitable_event.h"
  21 #include "ui/aura/env.h"
  22 #include "ui/aura/window_event_dispatcher.h"
  23 #include "ui/aura/window_tracker.h"
  24 #include "ui/events/event_handler.h"
  25 #include "ui/events/test/event_generator.h"
  26 #include "ui/gfx/display.h"
  27 #include "ui/gfx/geometry/rect_conversions.h"
  28 #include "ui/gfx/screen.h"
  29 #include "ui/views/widget/widget.h"
  30
  31 namespace ash {
  32 namespace {
  33
  34 const char kDesktopBackgroundView[] = "DesktopBackgroundView";
  35
  36 class TestEventHandler : public ui::EventHandler {
  37  public:
  38   TestEventHandler() : target_root_(NULL),
  39                        touch_radius_x_(0.0),
  40                        touch_radius_y_(0.0),
  41                        scroll_x_offset_(0.0),
  42                        scroll_y_offset_(0.0),
  43                        scroll_x_offset_ordinal_(0.0),
  44                        scroll_y_offset_ordinal_(0.0) {}
  45   ~TestEventHandler() override {}
  46
  47   void OnMouseEvent(ui::MouseEvent* event) override {
  48     if (event->flags() & ui::EF_IS_SYNTHESIZED)
  49       return;
  50     aura::Window* target = static_cast<aura::Window*>(event->target());
  51     mouse_location_ = event->root_location();
  52     target_root_ = target->GetRootWindow();
  53     event->StopPropagation();
  54   }
  55
  56   void OnTouchEvent(ui::TouchEvent* event) override {
  57     aura::Window* target = static_cast<aura::Window*>(event->target());
  58     // Only record when the target is the background which covers
  59     // entire root window.
  60     if (target->name() != kDesktopBackgroundView)
  61       return;
  62     touch_radius_x_ = event->pointer_details().radius_x();
  63     touch_radius_y_ = event->pointer_details().radius_y();
  64     event->StopPropagation();
  65   }
  66
  67   void OnScrollEvent(ui::ScrollEvent* event) override {
  68     aura::Window* target = static_cast<aura::Window*>(event->target());
  69     // Only record when the target is the background which covers
  70     // entire root window.
  71     if (target->name() != kDesktopBackgroundView)
  72       return;
  73
  74     if (event->type() == ui::ET_SCROLL) {
  75       scroll_x_offset_ = event->x_offset();
  76       scroll_y_offset_ = event->y_offset();
  77       scroll_x_offset_ordinal_ = event->x_offset_ordinal();
  78       scroll_y_offset_ordinal_ = event->y_offset_ordinal();
  79     }
  80     event->StopPropagation();
  81   }
  82
  83   std::string GetLocationAndReset() {
  84     std::string result = mouse_location_.ToString();
  85     mouse_location_.SetPoint(0, 0);
  86     target_root_ = NULL;
  87     return result;
  88   }
  89
  90   float touch_radius_x() const { return touch_radius_x_; }
  91   float touch_radius_y() const { return touch_radius_y_; }
  92   float scroll_x_offset() const { return scroll_x_offset_; }
  93   float scroll_y_offset() const { return scroll_y_offset_; }
  94   float scroll_x_offset_ordinal() const { return scroll_x_offset_ordinal_; }
  95   float scroll_y_offset_ordinal() const { return scroll_y_offset_ordinal_; }
  96
  97  private:
  98   gfx::Point mouse_location_;
  99   aura::Window* target_root_;
 100
 101   float touch_radius_x_;
 102   float touch_radius_y_;
 103   float scroll_x_offset_;
 104   float scroll_y_offset_;
 105   float scroll_x_offset_ordinal_;
 106   float scroll_y_offset_ordinal_;
 107
 108   DISALLOW_COPY_AND_ASSIGN(TestEventHandler);
 109 };
 110
 111 float GetStoredUIScale(int64 id) {
 112   return Shell::GetInstance()->display_manager()->GetDisplayInfo(id).
 113       GetEffectiveUIScale();
 114 }
 115
 116 scoped_ptr<RootWindowTransformer>
 117 CreateCurrentRootWindowTransformerForMirroring() {
 118   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 119   DCHECK(display_manager->IsInMirrorMode());
 120   const DisplayInfo& mirror_display_info =
 121       display_manager->GetDisplayInfo(display_manager->mirroring_display_id());
 122   const DisplayInfo& source_display_info = display_manager->GetDisplayInfo(
 123       Shell::GetScreen()->GetPrimaryDisplay().id());
 124   return scoped_ptr<RootWindowTransformer>(
 125       CreateRootWindowTransformerForMirroredDisplay(source_display_info,
 126                                                     mirror_display_info));
 127 }
 128
 129 }  // namespace
 130
 131 typedef test::AshTestBase RootWindowTransformersTest;
 132
 133 #if defined(OS_WIN)
 134 // TODO(scottmg): RootWindow doesn't get resized on Windows
 135 // Ash. http://crbug.com/247916.
 136 #define MAYBE_RotateAndMagnify DISABLED_RotateAndMagniy
 137 #define MAYBE_TouchScaleAndMagnify DISABLED_TouchScaleAndMagnify
 138 #define MAYBE_ConvertHostToRootCoords DISABLED_ConvertHostToRootCoords
 139 #else
 140 #define MAYBE_RotateAndMagnify RotateAndMagniy
 141 #define MAYBE_TouchScaleAndMagnify TouchScaleAndMagnify
 142 #define MAYBE_ConvertHostToRootCoords ConvertHostToRootCoords
 143 #endif
 144
 145 TEST_F(RootWindowTransformersTest, MAYBE_RotateAndMagnify) {
 146   MagnificationController* magnifier =
 147       Shell::GetInstance()->magnification_controller();
 148   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 149
 150   TestEventHandler event_handler;
 151   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 152
 153   UpdateDisplay("120x200,300x400*2");
 154   gfx::Display display1 = Shell::GetScreen()->GetPrimaryDisplay();
 155   int64 display2_id = ScreenUtil::GetSecondaryDisplay().id();
 156
 157   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 158   ui::test::EventGenerator generator1(root_windows[0]);
 159   ui::test::EventGenerator generator2(root_windows[1]);
 160
 161   magnifier->SetEnabled(true);
 162   EXPECT_EQ(2.0f, magnifier->GetScale());
 163   EXPECT_EQ("120x200", root_windows[0]->bounds().size().ToString());
 164   EXPECT_EQ("150x200", root_windows[1]->bounds().size().ToString());
 165   EXPECT_EQ("120,0 150x200",
 166             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 167   generator1.MoveMouseToInHost(40, 80);
 168   EXPECT_EQ("50,90", event_handler.GetLocationAndReset());
 169   EXPECT_EQ("50,90",
 170             aura::Env::GetInstance()->last_mouse_location().ToString());
 171   EXPECT_EQ(gfx::Display::ROTATE_0, GetActiveDisplayRotation(display1.id()));
 172   EXPECT_EQ(gfx::Display::ROTATE_0, GetActiveDisplayRotation(display2_id));
 173   magnifier->SetEnabled(false);
 174
 175   display_manager->SetDisplayRotation(display1.id(), gfx::Display::ROTATE_90,
 176                                       gfx::Display::ROTATION_SOURCE_ACTIVE);
 177   // Move the cursor to the center of the first root window.
 178   generator1.MoveMouseToInHost(59, 100);
 179
 180   magnifier->SetEnabled(true);
 181   EXPECT_EQ(2.0f, magnifier->GetScale());
 182   EXPECT_EQ("200x120", root_windows[0]->bounds().size().ToString());
 183   EXPECT_EQ("150x200", root_windows[1]->bounds().size().ToString());
 184   EXPECT_EQ("200,0 150x200",
 185             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 186   generator1.MoveMouseToInHost(39, 120);
 187   EXPECT_EQ("110,70", event_handler.GetLocationAndReset());
 188   EXPECT_EQ("110,70",
 189             aura::Env::GetInstance()->last_mouse_location().ToString());
 190   EXPECT_EQ(gfx::Display::ROTATE_90, GetActiveDisplayRotation(display1.id()));
 191   EXPECT_EQ(gfx::Display::ROTATE_0, GetActiveDisplayRotation(display2_id));
 192   magnifier->SetEnabled(false);
 193
 194   DisplayLayout display_layout(DisplayLayout::BOTTOM, 50);
 195   display_manager->SetLayoutForCurrentDisplays(display_layout);
 196   EXPECT_EQ("50,120 150x200",
 197             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 198
 199   display_manager->SetDisplayRotation(display2_id, gfx::Display::ROTATE_270,
 200                                       gfx::Display::ROTATION_SOURCE_ACTIVE);
 201   // Move the cursor to the center of the second root window.
 202   generator2.MoveMouseToInHost(151, 199);
 203
 204   magnifier->SetEnabled(true);
 205   EXPECT_EQ("200x120", root_windows[0]->bounds().size().ToString());
 206   EXPECT_EQ("200x150", root_windows[1]->bounds().size().ToString());
 207   EXPECT_EQ("50,120 200x150",
 208             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 209   generator2.MoveMouseToInHost(172, 219);
 210   EXPECT_EQ("95,80", event_handler.GetLocationAndReset());
 211   EXPECT_EQ("145,200",
 212             aura::Env::GetInstance()->last_mouse_location().ToString());
 213   EXPECT_EQ(gfx::Display::ROTATE_90, GetActiveDisplayRotation(display1.id()));
 214   EXPECT_EQ(gfx::Display::ROTATE_270, GetActiveDisplayRotation(display2_id));
 215   magnifier->SetEnabled(false);
 216
 217   display_manager->SetDisplayRotation(display1.id(), gfx::Display::ROTATE_180,
 218                                       gfx::Display::ROTATION_SOURCE_ACTIVE);
 219   // Move the cursor to the center of the first root window.
 220   generator1.MoveMouseToInHost(59, 99);
 221
 222   magnifier->SetEnabled(true);
 223   EXPECT_EQ("120x200", root_windows[0]->bounds().size().ToString());
 224   EXPECT_EQ("200x150", root_windows[1]->bounds().size().ToString());
 225   // Dislay must share at least 100, so the x's offset becomes 20.
 226   EXPECT_EQ("20,200 200x150",
 227             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 228   generator1.MoveMouseToInHost(39, 59);
 229   EXPECT_EQ("70,120", event_handler.GetLocationAndReset());
 230   EXPECT_EQ(gfx::Display::ROTATE_180, GetActiveDisplayRotation(display1.id()));
 231   EXPECT_EQ(gfx::Display::ROTATE_270, GetActiveDisplayRotation(display2_id));
 232   magnifier->SetEnabled(false);
 233
 234   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 235 }
 236
 237 TEST_F(RootWindowTransformersTest, ScaleAndMagnify) {
 238   if (!SupportsMultipleDisplays())
 239     return;
 240
 241   TestEventHandler event_handler;
 242   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 243
 244   UpdateDisplay("600x400*2@1.5,500x300");
 245
 246   gfx::Display display1 = Shell::GetScreen()->GetPrimaryDisplay();
 247   test::ScopedSetInternalDisplayId set_internal(display1.id());
 248   gfx::Display display2 = ScreenUtil::GetSecondaryDisplay();
 249   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 250   MagnificationController* magnifier =
 251       Shell::GetInstance()->magnification_controller();
 252
 253   magnifier->SetEnabled(true);
 254   EXPECT_EQ(2.0f, magnifier->GetScale());
 255   EXPECT_EQ("0,0 450x300", display1.bounds().ToString());
 256   EXPECT_EQ("0,0 450x300", root_windows[0]->bounds().ToString());
 257   EXPECT_EQ("450,0 500x300", display2.bounds().ToString());
 258   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 259   EXPECT_EQ(1.0f, GetStoredUIScale(display2.id()));
 260
 261   ui::test::EventGenerator generator(root_windows[0]);
 262   generator.MoveMouseToInHost(500, 200);
 263   EXPECT_EQ("299,150", event_handler.GetLocationAndReset());
 264   magnifier->SetEnabled(false);
 265
 266   SetDisplayUIScale(display1.id(), 1.25f);
 267   display1 = Shell::GetScreen()->GetPrimaryDisplay();
 268   display2 = ScreenUtil::GetSecondaryDisplay();
 269   magnifier->SetEnabled(true);
 270   EXPECT_EQ(2.0f, magnifier->GetScale());
 271   EXPECT_EQ("0,0 375x250", display1.bounds().ToString());
 272   EXPECT_EQ("0,0 375x250", root_windows[0]->bounds().ToString());
 273   EXPECT_EQ("375,0 500x300", display2.bounds().ToString());
 274   EXPECT_EQ(1.25f, GetStoredUIScale(display1.id()));
 275   EXPECT_EQ(1.0f, GetStoredUIScale(display2.id()));
 276   magnifier->SetEnabled(false);
 277
 278   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 279 }
 280
 281 TEST_F(RootWindowTransformersTest, MAYBE_TouchScaleAndMagnify) {
 282   TestEventHandler event_handler;
 283   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 284
 285   UpdateDisplay("200x200*2");
 286   gfx::Display display = Shell::GetScreen()->GetPrimaryDisplay();
 287   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 288   aura::Window* root_window = root_windows[0];
 289   ui::test::EventGenerator generator(root_window);
 290   MagnificationController* magnifier =
 291       Shell::GetInstance()->magnification_controller();
 292
 293   magnifier->SetEnabled(true);
 294   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 295   magnifier->SetScale(2.5f, false);
 296   EXPECT_FLOAT_EQ(2.5f, magnifier->GetScale());
 297   generator.PressMoveAndReleaseTouchTo(50, 50);
 298   // Default test touches have radius_x/y = 1.0, with device scale
 299   // factor = 2, the scaled radius_x/y should be 0.5.
 300   EXPECT_FLOAT_EQ(0.2f, event_handler.touch_radius_x());
 301   EXPECT_FLOAT_EQ(0.2f, event_handler.touch_radius_y());
 302
 303   generator.ScrollSequence(gfx::Point(0,0),
 304                            base::TimeDelta::FromMilliseconds(100),
 305                            10.0, 1.0, 5, 1);
 306
 307   // ordinal_offset is invariant to the device scale factor.
 308   EXPECT_FLOAT_EQ(event_handler.scroll_x_offset(),
 309                   event_handler.scroll_x_offset_ordinal());
 310   EXPECT_FLOAT_EQ(event_handler.scroll_y_offset(),
 311                   event_handler.scroll_y_offset_ordinal());
 312   magnifier->SetEnabled(false);
 313
 314   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 315 }
 316
 317 TEST_F(RootWindowTransformersTest, MAYBE_ConvertHostToRootCoords) {
 318   TestEventHandler event_handler;
 319   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 320   MagnificationController* magnifier =
 321       Shell::GetInstance()->magnification_controller();
 322
 323   // Test 1
 324   UpdateDisplay("600x400*2/r@1.5");
 325
 326   gfx::Display display1 = Shell::GetScreen()->GetPrimaryDisplay();
 327   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 328   EXPECT_EQ("0,0 300x450", display1.bounds().ToString());
 329   EXPECT_EQ("0,0 300x450", root_windows[0]->bounds().ToString());
 330   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 331
 332   ui::test::EventGenerator generator(root_windows[0]);
 333   generator.MoveMouseToInHost(300, 200);
 334   magnifier->SetEnabled(true);
 335   EXPECT_EQ("150,224", event_handler.GetLocationAndReset());
 336   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 337
 338   generator.MoveMouseToInHost(300, 200);
 339   EXPECT_EQ("150,224", event_handler.GetLocationAndReset());
 340   generator.MoveMouseToInHost(200, 300);
 341   EXPECT_EQ("187,261", event_handler.GetLocationAndReset());
 342   generator.MoveMouseToInHost(100, 400);
 343   EXPECT_EQ("237,299", event_handler.GetLocationAndReset());
 344   generator.MoveMouseToInHost(0, 0);
 345   EXPECT_EQ("137,348", event_handler.GetLocationAndReset());
 346
 347   magnifier->SetEnabled(false);
 348   EXPECT_FLOAT_EQ(1.0f, magnifier->GetScale());
 349
 350   // Test 2
 351   UpdateDisplay("600x400*2/u@1.5");
 352   display1 = Shell::GetScreen()->GetPrimaryDisplay();
 353   root_windows = Shell::GetAllRootWindows();
 354   EXPECT_EQ("0,0 450x300", display1.bounds().ToString());
 355   EXPECT_EQ("0,0 450x300", root_windows[0]->bounds().ToString());
 356   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 357
 358   generator.MoveMouseToInHost(300, 200);
 359   magnifier->SetEnabled(true);
 360   EXPECT_EQ("224,149", event_handler.GetLocationAndReset());
 361   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 362
 363   generator.MoveMouseToInHost(300, 200);
 364   EXPECT_EQ("224,148", event_handler.GetLocationAndReset());
 365   generator.MoveMouseToInHost(200, 300);
 366   EXPECT_EQ("261,111", event_handler.GetLocationAndReset());
 367   generator.MoveMouseToInHost(100, 400);
 368   EXPECT_EQ("299,60", event_handler.GetLocationAndReset());
 369   generator.MoveMouseToInHost(0, 0);
 370   EXPECT_EQ("348,159", event_handler.GetLocationAndReset());
 371
 372   magnifier->SetEnabled(false);
 373   EXPECT_FLOAT_EQ(1.0f, magnifier->GetScale());
 374
 375   // Test 3
 376   UpdateDisplay("600x400*2/l@1.5");
 377   display1 = Shell::GetScreen()->GetPrimaryDisplay();
 378   root_windows = Shell::GetAllRootWindows();
 379   EXPECT_EQ("0,0 300x450", display1.bounds().ToString());
 380   EXPECT_EQ("0,0 300x450", root_windows[0]->bounds().ToString());
 381   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 382
 383   generator.MoveMouseToInHost(300, 200);
 384   magnifier->SetEnabled(true);
 385   EXPECT_EQ("149,225", event_handler.GetLocationAndReset());
 386   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 387
 388   generator.MoveMouseToInHost(300, 200);
 389   EXPECT_EQ("148,224", event_handler.GetLocationAndReset());
 390   generator.MoveMouseToInHost(200, 300);
 391   EXPECT_EQ("111,187", event_handler.GetLocationAndReset());
 392   generator.MoveMouseToInHost(100, 400);
 393   EXPECT_EQ("60,149", event_handler.GetLocationAndReset());
 394   generator.MoveMouseToInHost(0, 0);
 395   EXPECT_EQ("159,99", event_handler.GetLocationAndReset());
 396
 397   magnifier->SetEnabled(false);
 398   EXPECT_FLOAT_EQ(1.0f, magnifier->GetScale());
 399
 400   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 401 }
 402
 403 TEST_F(RootWindowTransformersTest, LetterBoxPillarBox) {
 404   if (!SupportsMultipleDisplays())
 405     return;
 406   test::MirrorWindowTestApi test_api;
 407   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 408   display_manager->SetMultiDisplayMode(DisplayManager::MIRRORING);
 409   UpdateDisplay("400x200,500x500");
 410   scoped_ptr<RootWindowTransformer> transformer(
 411       CreateCurrentRootWindowTransformerForMirroring());
 412   // Y margin must be margin is (500 - 500/400 * 200) / 2 = 125.
 413   EXPECT_EQ("0,125,0,125", transformer->GetHostInsets().ToString());
 414
 415   UpdateDisplay("200x400,500x500");
 416   // The aspect ratio is flipped, so X margin is now 125.
 417   transformer = CreateCurrentRootWindowTransformerForMirroring();
 418   EXPECT_EQ("125,0,125,0", transformer->GetHostInsets().ToString());
 419 }
 420
 421 }  // namespace ash