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 scoped_ptr<RootWindowTransformer>
 116 CreateCurrentRootWindowTransformerForMirroring() {
 117   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 118   DCHECK(display_manager->IsInMirrorMode());
 119   const DisplayInfo& mirror_display_info =
 120       display_manager->GetDisplayInfo(display_manager->mirroring_display_id());
 121   const DisplayInfo& source_display_info = display_manager->GetDisplayInfo(
 122       Shell::GetScreen()->GetPrimaryDisplay().id());
 123   return scoped_ptr<RootWindowTransformer>(
 124       CreateRootWindowTransformerForMirroredDisplay(source_display_info,
 125                                                     mirror_display_info));
 126 }
 127
 128 }  // namespace
 129
 130 typedef test::AshTestBase RootWindowTransformersTest;
 131
 132 #if defined(OS_WIN)
 133 // TODO(scottmg): RootWindow doesn't get resized on Windows
 134 // Ash. http://crbug.com/247916.
 135 #define MAYBE_RotateAndMagnify DISABLED_RotateAndMagniy
 136 #define MAYBE_TouchScaleAndMagnify DISABLED_TouchScaleAndMagnify
 137 #define MAYBE_ConvertHostToRootCoords DISABLED_ConvertHostToRootCoords
 138 #else
 139 #define MAYBE_RotateAndMagnify RotateAndMagniy
 140 #define MAYBE_TouchScaleAndMagnify TouchScaleAndMagnify
 141 #define MAYBE_ConvertHostToRootCoords ConvertHostToRootCoords
 142 #endif
 143
 144 TEST_F(RootWindowTransformersTest, MAYBE_RotateAndMagnify) {
 145   MagnificationController* magnifier =
 146       Shell::GetInstance()->magnification_controller();
 147   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 148
 149   TestEventHandler event_handler;
 150   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 151
 152   UpdateDisplay("120x200,300x400*2");
 153   gfx::Display display1 = Shell::GetScreen()->GetPrimaryDisplay();
 154   int64 display2_id = ScreenUtil::GetSecondaryDisplay().id();
 155
 156   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 157   ui::test::EventGenerator generator1(root_windows[0]);
 158   ui::test::EventGenerator generator2(root_windows[1]);
 159
 160   magnifier->SetEnabled(true);
 161   EXPECT_EQ(2.0f, magnifier->GetScale());
 162   EXPECT_EQ("120x200", root_windows[0]->bounds().size().ToString());
 163   EXPECT_EQ("150x200", root_windows[1]->bounds().size().ToString());
 164   EXPECT_EQ("120,0 150x200",
 165             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 166   generator1.MoveMouseToInHost(40, 80);
 167   EXPECT_EQ("50,90", event_handler.GetLocationAndReset());
 168   EXPECT_EQ("50,90",
 169             aura::Env::GetInstance()->last_mouse_location().ToString());
 170   EXPECT_EQ(gfx::Display::ROTATE_0, GetActiveDisplayRotation(display1.id()));
 171   EXPECT_EQ(gfx::Display::ROTATE_0, GetActiveDisplayRotation(display2_id));
 172   magnifier->SetEnabled(false);
 173
 174   display_manager->SetDisplayRotation(display1.id(), gfx::Display::ROTATE_90,
 175                                       gfx::Display::ROTATION_SOURCE_ACTIVE);
 176   // Move the cursor to the center of the first root window.
 177   generator1.MoveMouseToInHost(59, 100);
 178
 179   magnifier->SetEnabled(true);
 180   EXPECT_EQ(2.0f, magnifier->GetScale());
 181   EXPECT_EQ("200x120", root_windows[0]->bounds().size().ToString());
 182   EXPECT_EQ("150x200", root_windows[1]->bounds().size().ToString());
 183   EXPECT_EQ("200,0 150x200",
 184             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 185   generator1.MoveMouseToInHost(39, 120);
 186   EXPECT_EQ("110,70", event_handler.GetLocationAndReset());
 187   EXPECT_EQ("110,70",
 188             aura::Env::GetInstance()->last_mouse_location().ToString());
 189   EXPECT_EQ(gfx::Display::ROTATE_90, GetActiveDisplayRotation(display1.id()));
 190   EXPECT_EQ(gfx::Display::ROTATE_0, GetActiveDisplayRotation(display2_id));
 191   magnifier->SetEnabled(false);
 192
 193   DisplayLayout display_layout(DisplayLayout::BOTTOM, 50);
 194   display_manager->SetLayoutForCurrentDisplays(display_layout);
 195   EXPECT_EQ("50,120 150x200",
 196             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 197
 198   display_manager->SetDisplayRotation(display2_id, gfx::Display::ROTATE_270,
 199                                       gfx::Display::ROTATION_SOURCE_ACTIVE);
 200   // Move the cursor to the center of the second root window.
 201   generator2.MoveMouseToInHost(151, 199);
 202
 203   magnifier->SetEnabled(true);
 204   EXPECT_EQ("200x120", root_windows[0]->bounds().size().ToString());
 205   EXPECT_EQ("200x150", root_windows[1]->bounds().size().ToString());
 206   EXPECT_EQ("50,120 200x150",
 207             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 208   generator2.MoveMouseToInHost(172, 219);
 209   EXPECT_EQ("95,80", event_handler.GetLocationAndReset());
 210   EXPECT_EQ("145,200",
 211             aura::Env::GetInstance()->last_mouse_location().ToString());
 212   EXPECT_EQ(gfx::Display::ROTATE_90, GetActiveDisplayRotation(display1.id()));
 213   EXPECT_EQ(gfx::Display::ROTATE_270, GetActiveDisplayRotation(display2_id));
 214   magnifier->SetEnabled(false);
 215
 216   display_manager->SetDisplayRotation(display1.id(), gfx::Display::ROTATE_180,
 217                                       gfx::Display::ROTATION_SOURCE_ACTIVE);
 218   // Move the cursor to the center of the first root window.
 219   generator1.MoveMouseToInHost(59, 99);
 220
 221   magnifier->SetEnabled(true);
 222   EXPECT_EQ("120x200", root_windows[0]->bounds().size().ToString());
 223   EXPECT_EQ("200x150", root_windows[1]->bounds().size().ToString());
 224   // Dislay must share at least 100, so the x's offset becomes 20.
 225   EXPECT_EQ("20,200 200x150",
 226             ScreenUtil::GetSecondaryDisplay().bounds().ToString());
 227   generator1.MoveMouseToInHost(39, 59);
 228   EXPECT_EQ("70,120", event_handler.GetLocationAndReset());
 229   EXPECT_EQ(gfx::Display::ROTATE_180, GetActiveDisplayRotation(display1.id()));
 230   EXPECT_EQ(gfx::Display::ROTATE_270, GetActiveDisplayRotation(display2_id));
 231   magnifier->SetEnabled(false);
 232
 233   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 234 }
 235
 236 TEST_F(RootWindowTransformersTest, ScaleAndMagnify) {
 237   if (!SupportsMultipleDisplays())
 238     return;
 239
 240   TestEventHandler event_handler;
 241   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 242
 243   UpdateDisplay("600x400*2@1.5,500x300");
 244
 245   gfx::Display display1 = Shell::GetScreen()->GetPrimaryDisplay();
 246   test::DisplayManagerTestApi(Shell::GetInstance()->display_manager())
 247       .SetInternalDisplayId(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   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 267   display_manager->SetDisplayUIScale(display1.id(), 1.25);
 268   display1 = Shell::GetScreen()->GetPrimaryDisplay();
 269   display2 = ScreenUtil::GetSecondaryDisplay();
 270   magnifier->SetEnabled(true);
 271   EXPECT_EQ(2.0f, magnifier->GetScale());
 272   EXPECT_EQ("0,0 375x250", display1.bounds().ToString());
 273   EXPECT_EQ("0,0 375x250", root_windows[0]->bounds().ToString());
 274   EXPECT_EQ("375,0 500x300", display2.bounds().ToString());
 275   EXPECT_EQ(1.25f, GetStoredUIScale(display1.id()));
 276   EXPECT_EQ(1.0f, GetStoredUIScale(display2.id()));
 277   magnifier->SetEnabled(false);
 278
 279   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 280 }
 281
 282 TEST_F(RootWindowTransformersTest, MAYBE_TouchScaleAndMagnify) {
 283   TestEventHandler event_handler;
 284   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 285
 286   UpdateDisplay("200x200*2");
 287   gfx::Display display = Shell::GetScreen()->GetPrimaryDisplay();
 288   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 289   aura::Window* root_window = root_windows[0];
 290   ui::test::EventGenerator generator(root_window);
 291   MagnificationController* magnifier =
 292       Shell::GetInstance()->magnification_controller();
 293
 294   magnifier->SetEnabled(true);
 295   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 296   magnifier->SetScale(2.5f, false);
 297   EXPECT_FLOAT_EQ(2.5f, magnifier->GetScale());
 298   generator.PressMoveAndReleaseTouchTo(50, 50);
 299   // Default test touches have radius_x/y = 1.0, with device scale
 300   // factor = 2, the scaled radius_x/y should be 0.5.
 301   EXPECT_FLOAT_EQ(0.2f, event_handler.touch_radius_x());
 302   EXPECT_FLOAT_EQ(0.2f, event_handler.touch_radius_y());
 303
 304   generator.ScrollSequence(gfx::Point(0,0),
 305                            base::TimeDelta::FromMilliseconds(100),
 306                            10.0, 1.0, 5, 1);
 307
 308   // ordinal_offset is invariant to the device scale factor.
 309   EXPECT_FLOAT_EQ(event_handler.scroll_x_offset(),
 310                   event_handler.scroll_x_offset_ordinal());
 311   EXPECT_FLOAT_EQ(event_handler.scroll_y_offset(),
 312                   event_handler.scroll_y_offset_ordinal());
 313   magnifier->SetEnabled(false);
 314
 315   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 316 }
 317
 318 TEST_F(RootWindowTransformersTest, MAYBE_ConvertHostToRootCoords) {
 319   TestEventHandler event_handler;
 320   Shell::GetInstance()->AddPreTargetHandler(&event_handler);
 321   MagnificationController* magnifier =
 322       Shell::GetInstance()->magnification_controller();
 323
 324   // Test 1
 325   UpdateDisplay("600x400*2/r@1.5");
 326
 327   gfx::Display display1 = Shell::GetScreen()->GetPrimaryDisplay();
 328   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 329   EXPECT_EQ("0,0 300x450", display1.bounds().ToString());
 330   EXPECT_EQ("0,0 300x450", root_windows[0]->bounds().ToString());
 331   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 332
 333   ui::test::EventGenerator generator(root_windows[0]);
 334   generator.MoveMouseToInHost(300, 200);
 335   magnifier->SetEnabled(true);
 336   EXPECT_EQ("150,224", event_handler.GetLocationAndReset());
 337   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 338
 339   generator.MoveMouseToInHost(300, 200);
 340   EXPECT_EQ("150,224", event_handler.GetLocationAndReset());
 341   generator.MoveMouseToInHost(200, 300);
 342   EXPECT_EQ("187,261", event_handler.GetLocationAndReset());
 343   generator.MoveMouseToInHost(100, 400);
 344   EXPECT_EQ("237,299", event_handler.GetLocationAndReset());
 345   generator.MoveMouseToInHost(0, 0);
 346   EXPECT_EQ("137,348", event_handler.GetLocationAndReset());
 347
 348   magnifier->SetEnabled(false);
 349   EXPECT_FLOAT_EQ(1.0f, magnifier->GetScale());
 350
 351   // Test 2
 352   UpdateDisplay("600x400*2/u@1.5");
 353   display1 = Shell::GetScreen()->GetPrimaryDisplay();
 354   root_windows = Shell::GetAllRootWindows();
 355   EXPECT_EQ("0,0 450x300", display1.bounds().ToString());
 356   EXPECT_EQ("0,0 450x300", root_windows[0]->bounds().ToString());
 357   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 358
 359   generator.MoveMouseToInHost(300, 200);
 360   magnifier->SetEnabled(true);
 361   EXPECT_EQ("224,149", event_handler.GetLocationAndReset());
 362   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 363
 364   generator.MoveMouseToInHost(300, 200);
 365   EXPECT_EQ("224,148", event_handler.GetLocationAndReset());
 366   generator.MoveMouseToInHost(200, 300);
 367   EXPECT_EQ("261,111", event_handler.GetLocationAndReset());
 368   generator.MoveMouseToInHost(100, 400);
 369   EXPECT_EQ("299,60", event_handler.GetLocationAndReset());
 370   generator.MoveMouseToInHost(0, 0);
 371   EXPECT_EQ("348,159", event_handler.GetLocationAndReset());
 372
 373   magnifier->SetEnabled(false);
 374   EXPECT_FLOAT_EQ(1.0f, magnifier->GetScale());
 375
 376   // Test 3
 377   UpdateDisplay("600x400*2/l@1.5");
 378   display1 = Shell::GetScreen()->GetPrimaryDisplay();
 379   root_windows = Shell::GetAllRootWindows();
 380   EXPECT_EQ("0,0 300x450", display1.bounds().ToString());
 381   EXPECT_EQ("0,0 300x450", root_windows[0]->bounds().ToString());
 382   EXPECT_EQ(1.5f, GetStoredUIScale(display1.id()));
 383
 384   generator.MoveMouseToInHost(300, 200);
 385   magnifier->SetEnabled(true);
 386   EXPECT_EQ("149,225", event_handler.GetLocationAndReset());
 387   EXPECT_FLOAT_EQ(2.0f, magnifier->GetScale());
 388
 389   generator.MoveMouseToInHost(300, 200);
 390   EXPECT_EQ("148,224", event_handler.GetLocationAndReset());
 391   generator.MoveMouseToInHost(200, 300);
 392   EXPECT_EQ("111,187", event_handler.GetLocationAndReset());
 393   generator.MoveMouseToInHost(100, 400);
 394   EXPECT_EQ("60,149", event_handler.GetLocationAndReset());
 395   generator.MoveMouseToInHost(0, 0);
 396   EXPECT_EQ("159,99", event_handler.GetLocationAndReset());
 397
 398   magnifier->SetEnabled(false);
 399   EXPECT_FLOAT_EQ(1.0f, magnifier->GetScale());
 400
 401   Shell::GetInstance()->RemovePreTargetHandler(&event_handler);
 402 }
 403
 404 TEST_F(RootWindowTransformersTest, LetterBoxPillarBox) {
 405   if (!SupportsMultipleDisplays())
 406     return;
 407   test::MirrorWindowTestApi test_api;
 408   DisplayManager* display_manager = Shell::GetInstance()->display_manager();
 409   display_manager->SetMultiDisplayMode(DisplayManager::MIRRORING);
 410   UpdateDisplay("400x200,500x500");
 411   scoped_ptr<RootWindowTransformer> transformer(
 412       CreateCurrentRootWindowTransformerForMirroring());
 413   // Y margin must be margin is (500 - 500/400 * 200) / 2 = 125.
 414   EXPECT_EQ("0,125,0,125", transformer->GetHostInsets().ToString());
 415
 416   UpdateDisplay("200x400,500x500");
 417   // The aspect ratio is flipped, so X margin is now 125.
 418   transformer = CreateCurrentRootWindowTransformerForMirroring();
 419   EXPECT_EQ("125,0,125,0", transformer->GetHostInsets().ToString());
 420 }
 421
 422 }  // namespace ash