ash/display/screen_position_controller_unittest.cc

   1 // Copyright (c) 2012 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/screen_position_controller.h"
   6
   7 #include "ash/display/display_manager.h"
   8 #include "ash/screen_util.h"
   9 #include "ash/shell.h"
  10 #include "ash/shell_window_ids.h"
  11 #include "ash/test/ash_test_base.h"
  12 #include "ash/test/shell_test_api.h"
  13 #include "ui/aura/env.h"
  14 #include "ui/aura/test/test_window_delegate.h"
  15 #include "ui/aura/window_tracker.h"
  16 #include "ui/aura/window_tree_host.h"
  17 #include "ui/base/layout.h"
  18 #include "ui/events/test/event_generator.h"
  19 #include "ui/gfx/screen.h"
  20
  21 #if defined(OS_WIN)
  22 // TODO(scottmg): RootWindow doesn't get resized immediately on Windows
  23 // Ash. http://crbug.com/247916.
  24 #define MAYBE_ConvertHostPointToScreen DISABLED_ConvertHostPointToScreen
  25 #define MAYBE_ConvertHostPointToScreenHiDPI DISABLED_ConvertHostPointToScreenHiDPI
  26 #define MAYBE_ConvertHostPointToScreenRotate DISABLED_ConvertHostPointToScreenRotate
  27 #define MAYBE_ConvertHostPointToScreenUIScale DISABLED_ConvertHostPointToScreenUIScale
  28 #define MAYBE_ConvertToScreenWhileRemovingSecondaryDisplay \
  29   DISABLED_ConvertToScreenWhileRemovingSecondaryDisplay
  30 #else
  31 #define MAYBE_ConvertHostPointToScreen ConvertHostPointToScreen
  32 #define MAYBE_ConvertHostPointToScreenHiDPI ConvertHostPointToScreenHiDPI
  33 #define MAYBE_ConvertHostPointToScreenRotate ConvertHostPointToScreenRotate
  34 #define MAYBE_ConvertHostPointToScreenUIScale ConvertHostPointToScreenUIScale
  35 #define MAYBE_ConvertToScreenWhileRemovingSecondaryDisplay \
  36   ConvertToScreenWhileRemovingSecondaryDisplay
  37 #endif
  38
  39 namespace ash {
  40 namespace test {
  41
  42 namespace {
  43
  44 void SetSecondaryDisplayLayout(DisplayLayout::Position position) {
  45   DisplayLayout layout =
  46       Shell::GetInstance()->display_manager()->GetCurrentDisplayLayout();
  47   layout.position = position;
  48   Shell::GetInstance()->display_manager()->
  49       SetLayoutForCurrentDisplays(layout);
  50 }
  51
  52 ScreenPositionController* GetScreenPositionController() {
  53   ShellTestApi test_api(Shell::GetInstance());
  54   return test_api.screen_position_controller();
  55 }
  56
  57 class ScreenPositionControllerTest : public test::AshTestBase {
  58  public:
  59   ScreenPositionControllerTest() {}
  60   ~ScreenPositionControllerTest() override {}
  61
  62   void SetUp() override {
  63     AshTestBase::SetUp();
  64     window_.reset(new aura::Window(&window_delegate_));
  65     window_->SetType(ui::wm::WINDOW_TYPE_NORMAL);
  66     window_->Init(ui::LAYER_NOT_DRAWN);
  67     ParentWindowInPrimaryRootWindow(window_.get());
  68     window_->set_id(1);
  69   }
  70
  71   void TearDown() override {
  72     window_.reset();
  73     AshTestBase::TearDown();
  74   }
  75
  76   // Converts a point (x, y) in host window's coordinate to screen and
  77   // returns its string representation.
  78   std::string ConvertHostPointToScreen(int x, int y) const {
  79     gfx::Point point(x, y);
  80     GetScreenPositionController()->ConvertHostPointToScreen(
  81         window_->GetRootWindow(), &point);
  82     return point.ToString();
  83   }
  84
  85  protected:
  86   scoped_ptr<aura::Window> window_;
  87   aura::test::TestWindowDelegate window_delegate_;
  88
  89  private:
  90   DISALLOW_COPY_AND_ASSIGN(ScreenPositionControllerTest);
  91 };
  92
  93 }  // namespace
  94
  95 TEST_F(ScreenPositionControllerTest, MAYBE_ConvertHostPointToScreen) {
  96   UpdateDisplay("100+100-200x200,100+500-200x200");
  97
  98   aura::Window::Windows root_windows =
  99       Shell::GetInstance()->GetAllRootWindows();
 100   EXPECT_EQ("100,100",
 101             root_windows[0]->GetHost()->GetBounds().origin().ToString());
 102   EXPECT_EQ("200x200",
 103             root_windows[0]->GetHost()->GetBounds().size().ToString());
 104   EXPECT_EQ("100,500",
 105             root_windows[1]->GetHost()->GetBounds().origin().ToString());
 106   EXPECT_EQ("200x200",
 107             root_windows[1]->GetHost()->GetBounds().size().ToString());
 108
 109   const gfx::Point window_pos(100, 100);
 110   window_->SetBoundsInScreen(
 111       gfx::Rect(window_pos, gfx::Size(100, 100)),
 112       Shell::GetScreen()->GetDisplayNearestPoint(window_pos));
 113   SetSecondaryDisplayLayout(DisplayLayout::RIGHT);
 114   // The point is on the primary root window.
 115   EXPECT_EQ("50,50", ConvertHostPointToScreen(50, 50));
 116   // The point is out of the all root windows.
 117   EXPECT_EQ("250,250", ConvertHostPointToScreen(250, 250));
 118   // The point is on the secondary display.
 119   EXPECT_EQ("250,0", ConvertHostPointToScreen(50, 400));
 120
 121   SetSecondaryDisplayLayout(DisplayLayout::BOTTOM);
 122   // The point is on the primary root window.
 123   EXPECT_EQ("50,50", ConvertHostPointToScreen(50, 50));
 124   // The point is out of the all root windows.
 125   EXPECT_EQ("250,250", ConvertHostPointToScreen(250, 250));
 126   // The point is on the secondary display.
 127   EXPECT_EQ("50,200", ConvertHostPointToScreen(50, 400));
 128
 129   SetSecondaryDisplayLayout(DisplayLayout::LEFT);
 130   // The point is on the primary root window.
 131   EXPECT_EQ("50,50", ConvertHostPointToScreen(50, 50));
 132   // The point is out of the all root windows.
 133   EXPECT_EQ("250,250", ConvertHostPointToScreen(250, 250));
 134   // The point is on the secondary display.
 135   EXPECT_EQ("-150,0", ConvertHostPointToScreen(50, 400));
 136
 137   SetSecondaryDisplayLayout(DisplayLayout::TOP);
 138   // The point is on the primary root window.
 139   EXPECT_EQ("50,50", ConvertHostPointToScreen(50, 50));
 140   // The point is out of the all root windows.
 141   EXPECT_EQ("250,250", ConvertHostPointToScreen(250, 250));
 142   // The point is on the secondary display.
 143   EXPECT_EQ("50,-200", ConvertHostPointToScreen(50, 400));
 144
 145
 146   SetSecondaryDisplayLayout(DisplayLayout::RIGHT);
 147   const gfx::Point window_pos2(300, 100);
 148   window_->SetBoundsInScreen(
 149       gfx::Rect(window_pos2, gfx::Size(100, 100)),
 150       Shell::GetScreen()->GetDisplayNearestPoint(window_pos2));
 151   // The point is on the secondary display.
 152   EXPECT_EQ("250,50", ConvertHostPointToScreen(50, 50));
 153   // The point is out of the all root windows.
 154   EXPECT_EQ("450,250", ConvertHostPointToScreen(250, 250));
 155   // The point is on the primary root window.
 156   EXPECT_EQ("50,0", ConvertHostPointToScreen(50, -400));
 157
 158   SetSecondaryDisplayLayout(DisplayLayout::BOTTOM);
 159   // The point is on the secondary display.
 160   EXPECT_EQ("50,250", ConvertHostPointToScreen(50, 50));
 161   // The point is out of the all root windows.
 162   EXPECT_EQ("250,450", ConvertHostPointToScreen(250, 250));
 163   // The point is on the primary root window.
 164   EXPECT_EQ("50,0", ConvertHostPointToScreen(50, -400));
 165
 166   SetSecondaryDisplayLayout(DisplayLayout::LEFT);
 167   // The point is on the secondary display.
 168   EXPECT_EQ("-150,50", ConvertHostPointToScreen(50, 50));
 169   // The point is out of the all root windows.
 170   EXPECT_EQ("50,250", ConvertHostPointToScreen(250, 250));
 171   // The point is on the primary root window.
 172   EXPECT_EQ("50,0", ConvertHostPointToScreen(50, -400));
 173
 174   SetSecondaryDisplayLayout(DisplayLayout::TOP);
 175   // The point is on the secondary display.
 176   EXPECT_EQ("50,-150", ConvertHostPointToScreen(50, 50));
 177   // The point is out of the all root windows.
 178   EXPECT_EQ("250,50", ConvertHostPointToScreen(250, 250));
 179   // The point is on the primary root window.
 180   EXPECT_EQ("50,0", ConvertHostPointToScreen(50, -400));
 181 }
 182
 183 TEST_F(ScreenPositionControllerTest, MAYBE_ConvertHostPointToScreenHiDPI) {
 184   UpdateDisplay("100+100-200x200*2,100+500-200x200");
 185
 186   aura::Window::Windows root_windows =
 187       Shell::GetInstance()->GetAllRootWindows();
 188   EXPECT_EQ("100,100",
 189             root_windows[0]->GetHost()->
 190                 GetBounds().origin().ToString());
 191   EXPECT_EQ("200x200",
 192             root_windows[0]->GetHost()->
 193                 GetBounds().size().ToString());
 194   EXPECT_EQ("100,500",
 195             root_windows[1]->GetHost()->
 196                 GetBounds().origin().ToString());
 197   EXPECT_EQ("200x200",
 198             root_windows[1]->GetHost()->
 199                 GetBounds().size().ToString());
 200
 201   // Put |window_| to the primary 2x display.
 202   window_->SetBoundsInScreen(gfx::Rect(20, 20, 50, 50),
 203                              Shell::GetScreen()->GetPrimaryDisplay());
 204   // (30, 30) means the host coordinate, so the point is still on the primary
 205   // root window.  Since it's 2x, the specified native point was halved.
 206   EXPECT_EQ("15,15", ConvertHostPointToScreen(30, 30));
 207   // Similar to above but the point is out of the all root windows.
 208   EXPECT_EQ("200,200", ConvertHostPointToScreen(400, 400));
 209   // Similar to above but the point is on the secondary display.
 210   EXPECT_EQ("100,15", ConvertHostPointToScreen(200, 30));
 211
 212   // On secondary display. The position on the 2nd host window is (150,50)
 213   // so the screen position is (100,0) + (150,50).
 214   EXPECT_EQ("250,50", ConvertHostPointToScreen(150, 450));
 215
 216   // At the edge but still in the primary display.  Remaining of the primary
 217   // display is (50, 50) but adding ~100 since it's 2x-display.
 218   EXPECT_EQ("79,79", ConvertHostPointToScreen(158, 158));
 219   // At the edge of the secondary display.
 220   EXPECT_EQ("80,80", ConvertHostPointToScreen(160, 160));
 221 }
 222
 223 TEST_F(ScreenPositionControllerTest, MAYBE_ConvertHostPointToScreenRotate) {
 224   // 1st display is rotated 90 clockise, and 2nd display is rotated
 225   // 270 clockwise.
 226   UpdateDisplay("100+100-200x200/r,100+500-200x200/l");
 227   // Put |window_| to the 1st.
 228   window_->SetBoundsInScreen(gfx::Rect(20, 20, 50, 50),
 229                              Shell::GetScreen()->GetPrimaryDisplay());
 230
 231   // The point is on the 1st host.
 232   EXPECT_EQ("70,149", ConvertHostPointToScreen(50, 70));
 233   // The point is out of the host windows.
 234   EXPECT_EQ("250,-51", ConvertHostPointToScreen(250, 250));
 235   // The point is on the 2nd host. Point on 2nd host (30,150) -
 236   // rotate 270 clockwise -> (149, 30) - layout [+(200,0)] -> (349,30).
 237   EXPECT_EQ("349,30", ConvertHostPointToScreen(30, 450));
 238
 239   // Move |window_| to the 2nd.
 240   window_->SetBoundsInScreen(gfx::Rect(300, 20, 50, 50),
 241                              ScreenUtil::GetSecondaryDisplay());
 242   aura::Window::Windows root_windows =
 243       Shell::GetInstance()->GetAllRootWindows();
 244   EXPECT_EQ(root_windows[1], window_->GetRootWindow());
 245
 246   // The point is on the 2nd host. (50,70) on 2n host -
 247   // roatate 270 clockwise -> (129,50) -layout [+(200,0)] -> (329,50)
 248   EXPECT_EQ("329,50", ConvertHostPointToScreen(50, 70));
 249   // The point is out of the host windows.
 250   EXPECT_EQ("449,50", ConvertHostPointToScreen(50, -50));
 251   // The point is on the 2nd host. Point on 2nd host (50,50) -
 252   // rotate 90 clockwise -> (50, 149)
 253   EXPECT_EQ("50,149", ConvertHostPointToScreen(50, -350));
 254 }
 255
 256 TEST_F(ScreenPositionControllerTest, MAYBE_ConvertHostPointToScreenUIScale) {
 257   // 1st display is 2x density with 1.5 UI scale.
 258   UpdateDisplay("100+100-200x200*2@1.5,100+500-200x200");
 259   // Put |window_| to the 1st.
 260   window_->SetBoundsInScreen(gfx::Rect(20, 20, 50, 50),
 261                              Shell::GetScreen()->GetPrimaryDisplay());
 262
 263   // The point is on the 1st host.
 264   EXPECT_EQ("45,45", ConvertHostPointToScreen(60, 60));
 265   // The point is out of the host windows.
 266   EXPECT_EQ("45,225", ConvertHostPointToScreen(60, 300));
 267   // The point is on the 2nd host. Point on 2nd host (60,150) -
 268   // - screen [+(150,0)]
 269   EXPECT_EQ("210,49", ConvertHostPointToScreen(60, 450));
 270
 271   // Move |window_| to the 2nd.
 272   window_->SetBoundsInScreen(gfx::Rect(300, 20, 50, 50),
 273                              ScreenUtil::GetSecondaryDisplay());
 274   aura::Window::Windows root_windows =
 275       Shell::GetInstance()->GetAllRootWindows();
 276   EXPECT_EQ(root_windows[1], window_->GetRootWindow());
 277
 278   // The point is on the 2nd host. (50,70) - ro
 279   EXPECT_EQ("210,70", ConvertHostPointToScreen(60, 70));
 280   // The point is out of the host windows.
 281   EXPECT_EQ("210,-50", ConvertHostPointToScreen(60, -50));
 282   // The point is on the 2nd host. Point on 1nd host (60, 60)
 283   // 1/2 * 1.5 = (45,45)
 284   EXPECT_EQ("45,45", ConvertHostPointToScreen(60, -340));
 285 }
 286
 287 namespace {
 288
 289 // EventHandler which tracks whether it got any MouseEvents whose location could
 290 // not be converted to screen coordinates.
 291 class ConvertToScreenEventHandler : public ui::EventHandler {
 292  public:
 293   ConvertToScreenEventHandler() : could_convert_to_screen_(true) {
 294     aura::Env::GetInstance()->AddPreTargetHandler(this);
 295   }
 296   ~ConvertToScreenEventHandler() override {
 297     aura::Env::GetInstance()->RemovePreTargetHandler(this);
 298   }
 299
 300   bool could_convert_to_screen() const { return could_convert_to_screen_; }
 301
 302  private:
 303   void OnMouseEvent(ui::MouseEvent* event) override {
 304     if (event->type() == ui::ET_MOUSE_CAPTURE_CHANGED)
 305       return;
 306
 307     aura::Window* root =
 308         static_cast<aura::Window*>(event->target())->GetRootWindow();
 309     if (!aura::client::GetScreenPositionClient(root))
 310       could_convert_to_screen_ = false;
 311   }
 312
 313   bool could_convert_to_screen_;
 314
 315   DISALLOW_COPY_AND_ASSIGN(ConvertToScreenEventHandler);
 316 };
 317
 318 }  // namespace
 319
 320 // Test that events are only dispatched when a ScreenPositionClient is available
 321 // to convert the event to screen coordinates. The ScreenPositionClient is
 322 // detached from the root window prior to the root window being destroyed. Test
 323 // that no events are dispatched at this time.
 324 TEST_F(ScreenPositionControllerTest,
 325        MAYBE_ConvertToScreenWhileRemovingSecondaryDisplay) {
 326   UpdateDisplay("600x600,600x600");
 327   RunAllPendingInMessageLoop();
 328
 329   // Create a window on the secondary display.
 330   window_->SetBoundsInScreen(gfx::Rect(600, 0, 400, 400),
 331                              ScreenUtil::GetSecondaryDisplay());
 332
 333   // Move the mouse cursor over |window_|. Synthetic mouse moves are dispatched
 334   // asynchronously when a window which contains the mouse cursor is destroyed.
 335   // We want to check that none of these synthetic events are dispatched after
 336   // ScreenPositionClient has been detached from the root window.
 337   GetEventGenerator().MoveMouseTo(800, 200);
 338   EXPECT_TRUE(window_->GetBoundsInScreen().Contains(
 339       aura::Env::GetInstance()->last_mouse_location()));
 340
 341   aura::Window::Windows root_windows =
 342       Shell::GetInstance()->GetAllRootWindows();
 343   aura::WindowTracker tracker;
 344   tracker.Add(root_windows[1]);
 345   scoped_ptr<ConvertToScreenEventHandler> event_handler(
 346       new ConvertToScreenEventHandler);
 347
 348   // Remove the secondary monitor.
 349   UpdateDisplay("600x600");
 350
 351   // The secondary root window is not immediately destroyed.
 352   EXPECT_TRUE(tracker.Contains(root_windows[1]));
 353
 354   RunAllPendingInMessageLoop();
 355
 356   // Check that we waited long enough and that the secondary root window was
 357   // destroyed.
 358   EXPECT_FALSE(tracker.Contains(root_windows[1]));
 359
 360   // Check that we could convert all of the mouse events we got to screen
 361   // coordinates.
 362   EXPECT_TRUE(event_handler->could_convert_to_screen());
 363 }
 364
 365 }  // namespace test
 366 }  // namespace ash