ash/extended_desktop_unittest.cc - chromium/src - Git at Google

 // Copyright 2012 The Chromium Authors
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/system/status_area_widget_test_helper.h"
 #include "ash/system/unified/unified_system_tray.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/test_widget_builder.h"
 #include "ash/test/test_window_builder.h"
 #include "ash/wm/desks/desks_util.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_util.h"
 #include "base/memory/raw_ptr.h"
 #include "base/run_loop.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/aura/client/capture_client.h"
 #include "ui/aura/client/focus_client.h"
 #include "ui/aura/test/test_windows.h"
 #include "ui/aura/test/window_test_api.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/base/cursor/mojom/cursor_type.mojom-shared.h"
 #include "ui/display/display.h"
 #include "ui/display/display_layout.h"
 #include "ui/display/manager/display_manager.h"
 #include "ui/display/screen.h"
 #include "ui/events/event_handler.h"
 #include "ui/events/test/event_generator.h"
 #include "ui/views/controls/textfield/textfield.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 #include "ui/wm/core/window_util.h"
 #include "ui/wm/public/activation_client.h"

 namespace ash {
 namespace {

 void SetSecondaryDisplayLayout(display::DisplayPlacement::Position position) {
   std::unique_ptr<display::DisplayLayout> layout =
       Shell::Get()->display_manager()->GetCurrentDisplayLayout().Copy();
   layout->placement_list[0].position = position;
   Shell::Get()->display_manager()->SetLayoutForCurrentDisplays(
       std::move(layout));
 }

 // An event handler which moves the target window to the secondary root window
 // at pre-handle phase of a mouse release event.
 class MoveWindowByClickEventHandler : public ui::EventHandler {
  public:
   explicit MoveWindowByClickEventHandler(aura::Window* target)
       : target_(target) {}

   MoveWindowByClickEventHandler(const MoveWindowByClickEventHandler&) = delete;
   MoveWindowByClickEventHandler& operator=(
       const MoveWindowByClickEventHandler&) = delete;

   ~MoveWindowByClickEventHandler() override = default;

  private:
   // ui::EventHandler overrides:
   void OnMouseEvent(ui::MouseEvent* event) override {
     if (event->type() == ui::ET_MOUSE_RELEASED) {
       aura::Window::Windows root_windows = Shell::GetAllRootWindows();
       DCHECK_LT(1u, root_windows.size());
       root_windows[1]->AddChild(target_);
     }
   }

   raw_ptr<aura::Window> target_;
 };

 // An event handler which records the event's locations.
 class EventLocationRecordingEventHandler : public ui::EventHandler {
  public:
   EventLocationRecordingEventHandler() { Reset(); }

   EventLocationRecordingEventHandler(
       const EventLocationRecordingEventHandler&) = delete;
   EventLocationRecordingEventHandler& operator=(
       const EventLocationRecordingEventHandler&) = delete;

   ~EventLocationRecordingEventHandler() override = default;

   // |location_| is relative to the target window.
   std::string GetLocation() const { return location_.ToString(); }

   // |root_location_| is relative to the display where the event started.
   std::string GetRootLocation() const { return root_location_.ToString(); }

   void Reset() {
     location_.SetPoint(-999, -999);
     root_location_.SetPoint(-999, -999);
   }

  private:
   // ui::EventHandler overrides:
   void OnMouseEvent(ui::MouseEvent* event) override {
     if (event->type() == ui::ET_MOUSE_MOVED ||
         event->type() == ui::ET_MOUSE_DRAGGED) {
       location_ = event->location();
       root_location_ = event->root_location();
     }
   }

   gfx::Point root_location_;
   gfx::Point location_;
 };

 class EventLocationHandler : public ui::EventHandler {
  public:
   EventLocationHandler() = default;

   EventLocationHandler(const EventLocationHandler&) = delete;
   EventLocationHandler& operator=(const EventLocationHandler&) = delete;

   ~EventLocationHandler() override = default;

   const gfx::Point& press_location() const { return press_location_; }
   const gfx::Point& release_location() const { return release_location_; }

  private:
   // ui::EventHandler:
   void OnMouseEvent(ui::MouseEvent* event) override {
     if (event->type() == ui::ET_MOUSE_PRESSED)
       press_location_ = event->location();
     else if (event->type() == ui::ET_MOUSE_RELEASED)
       release_location_ = event->location();
   }

   gfx::Point press_location_;
   gfx::Point release_location_;
 };

 }  // namespace

 class ExtendedDesktopTest : public AshTestBase {
  public:
   ExtendedDesktopTest() = default;

   ExtendedDesktopTest(const ExtendedDesktopTest&) = delete;
   ExtendedDesktopTest& operator=(const ExtendedDesktopTest&) = delete;

   ~ExtendedDesktopTest() override = default;

   void SetUp() override {
     AshTestBase::SetUp();

     // Shell hides the cursor by default; show it for these tests.
     Shell::Get()->cursor_manager()->ShowCursor();
   }

   views::Widget* CreateTestWidget(const gfx::Rect& bounds) {
     return TestWidgetBuilder()
         .SetBounds(bounds)
         .SetContext(GetContext())
         .BuildOwnedByNativeWidget();
   }

  protected:
   bool IsBubbleShown() {
     return GetPrimaryUnifiedSystemTray()->IsBubbleShown();
   }

   gfx::Rect GetSystemTrayBoundsInScreen() {
     return GetPrimaryUnifiedSystemTray()->GetBoundsInScreen();
   }
 };

 // Test conditions that root windows in extended desktop mode must satisfy.
 TEST_F(ExtendedDesktopTest, Basic) {
   UpdateDisplay("1000x600,600x400");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();

   // All root windows must have a root window controller.
   ASSERT_EQ(2U, root_windows.size());
   EXPECT_TRUE(RootWindowController::ForWindow(root_windows[0]));
   EXPECT_TRUE(RootWindowController::ForWindow(root_windows[1]));
   // Make sure root windows share the same controllers.
   EXPECT_EQ(aura::client::GetFocusClient(root_windows[0]),
             aura::client::GetFocusClient(root_windows[1]));
   EXPECT_EQ(::wm::GetActivationClient(root_windows[0]),
             ::wm::GetActivationClient(root_windows[1]));
   EXPECT_EQ(aura::client::GetCaptureClient(root_windows[0]),
             aura::client::GetCaptureClient(root_windows[1]));
 }

 TEST_F(ExtendedDesktopTest, Activation) {
   UpdateDisplay("1000x600,600x400");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();

   views::Widget* widget_on_1st = CreateTestWidget(gfx::Rect(10, 10, 100, 100));
   views::Widget* widget_on_2nd =
       CreateTestWidget(gfx::Rect(1200, 10, 100, 100));
   EXPECT_EQ(root_windows[0], widget_on_1st->GetNativeView()->GetRootWindow());
   EXPECT_EQ(root_windows[1], widget_on_2nd->GetNativeView()->GetRootWindow());

   EXPECT_EQ(widget_on_2nd->GetNativeView(),
             aura::client::GetFocusClient(root_windows[0])->GetFocusedWindow());
   EXPECT_TRUE(wm::IsActiveWindow(widget_on_2nd->GetNativeView()));

   ui::test::EventGenerator* event_generator = GetEventGenerator();
   // Clicking a window changes the active window and active root window.
   event_generator->MoveMouseToCenterOf(widget_on_1st->GetNativeView());
   event_generator->ClickLeftButton();

   EXPECT_EQ(widget_on_1st->GetNativeView(),
             aura::client::GetFocusClient(root_windows[0])->GetFocusedWindow());
   EXPECT_TRUE(wm::IsActiveWindow(widget_on_1st->GetNativeView()));

   event_generator->MoveMouseToCenterOf(widget_on_2nd->GetNativeView());
   event_generator->ClickLeftButton();

   EXPECT_EQ(widget_on_2nd->GetNativeView(),
             aura::client::GetFocusClient(root_windows[0])->GetFocusedWindow());
   EXPECT_TRUE(wm::IsActiveWindow(widget_on_2nd->GetNativeView()));
 }

 TEST_F(ExtendedDesktopTest, SystemModal) {
   UpdateDisplay("1000x600,600x400");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();

   views::Widget* widget_on_1st = CreateTestWidget(gfx::Rect(10, 10, 100, 100));
   EXPECT_TRUE(wm::IsActiveWindow(widget_on_1st->GetNativeView()));
   EXPECT_EQ(root_windows[0], widget_on_1st->GetNativeView()->GetRootWindow());
   EXPECT_EQ(root_windows[0], Shell::GetRootWindowForNewWindows());

   // Open system modal. Make sure it's on 2nd root window and active.
   auto delegate = std::make_unique<views::WidgetDelegateView>();
   delegate->SetModalType(ui::MODAL_TYPE_SYSTEM);
   views::Widget* modal_widget = views::Widget::CreateWindowWithContext(
       delegate.release(), GetContext(), gfx::Rect(1200, 100, 100, 100));
   modal_widget->Show();
   EXPECT_TRUE(wm::IsActiveWindow(modal_widget->GetNativeView()));
   EXPECT_EQ(root_windows[1], modal_widget->GetNativeView()->GetRootWindow());
   EXPECT_EQ(root_windows[1], Shell::GetRootWindowForNewWindows());

   ui::test::EventGenerator* event_generator = GetEventGenerator();

   // Clicking a widget on widget_on_1st display should not change activation.
   event_generator->MoveMouseToCenterOf(widget_on_1st->GetNativeView());
   event_generator->ClickLeftButton();
   EXPECT_TRUE(wm::IsActiveWindow(modal_widget->GetNativeView()));
   EXPECT_EQ(root_windows[1], Shell::GetRootWindowForNewWindows());

   // Close system modal and so clicking a widget should work now.
   modal_widget->Close();
   event_generator->MoveMouseToCenterOf(widget_on_1st->GetNativeView());
   event_generator->ClickLeftButton();
   EXPECT_TRUE(wm::IsActiveWindow(widget_on_1st->GetNativeView()));
   EXPECT_EQ(root_windows[0], Shell::GetRootWindowForNewWindows());
 }

 TEST_F(ExtendedDesktopTest, TestCursor) {
   UpdateDisplay("1000x600,600x400");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   aura::WindowTreeHost* host0 = root_windows[0]->GetHost();
   aura::WindowTreeHost* host1 = root_windows[1]->GetHost();
   EXPECT_EQ(ui::mojom::CursorType::kPointer, host0->last_cursor().type());
   EXPECT_EQ(ui::mojom::CursorType::kNull, host1->last_cursor().type());
   Shell::Get()->cursor_manager()->SetCursor(ui::mojom::CursorType::kCopy);
   EXPECT_EQ(ui::mojom::CursorType::kCopy, host0->last_cursor().type());
   EXPECT_EQ(ui::mojom::CursorType::kCopy, host1->last_cursor().type());
 }

 TEST_F(ExtendedDesktopTest, TestCursorLocation) {
   UpdateDisplay("1000x600,600x400");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   aura::test::WindowTestApi root_window0_test_api(root_windows[0]);
   aura::test::WindowTestApi root_window1_test_api(root_windows[1]);

   root_windows[0]->MoveCursorTo(gfx::Point(10, 10));
   EXPECT_EQ("10,10",
             display::Screen::GetScreen()->GetCursorScreenPoint().ToString());
   EXPECT_TRUE(root_window0_test_api.ContainsMouse());
   EXPECT_FALSE(root_window1_test_api.ContainsMouse());
   root_windows[1]->MoveCursorTo(gfx::Point(10, 20));
   EXPECT_EQ("1010,20",
             display::Screen::GetScreen()->GetCursorScreenPoint().ToString());
   EXPECT_FALSE(root_window0_test_api.ContainsMouse());
   EXPECT_TRUE(root_window1_test_api.ContainsMouse());
   root_windows[0]->MoveCursorTo(gfx::Point(20, 10));
   EXPECT_EQ("20,10",
             display::Screen::GetScreen()->GetCursorScreenPoint().ToString());
   EXPECT_TRUE(root_window0_test_api.ContainsMouse());
   EXPECT_FALSE(root_window1_test_api.ContainsMouse());
 }

 TEST_F(ExtendedDesktopTest, GetRootWindowAt) {
   UpdateDisplay("700x500,600x500");
   SetSecondaryDisplayLayout(display::DisplayPlacement::LEFT);
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();

   using window_util::GetRootWindowAt;
   EXPECT_EQ(root_windows[1], GetRootWindowAt(gfx::Point(-400, 100)));
   EXPECT_EQ(root_windows[1], GetRootWindowAt(gfx::Point(-1, 100)));
   EXPECT_EQ(root_windows[0], GetRootWindowAt(gfx::Point(0, 300)));
   EXPECT_EQ(root_windows[0], GetRootWindowAt(gfx::Point(700, 300)));

   // Zero origin.
   EXPECT_EQ(root_windows[0], GetRootWindowAt(gfx::Point(0, 0)));

   // Out of range point should return the nearest root window
   EXPECT_EQ(root_windows[1], GetRootWindowAt(gfx::Point(-600, 0)));
   EXPECT_EQ(root_windows[0], GetRootWindowAt(gfx::Point(701, 100)));
 }

 TEST_F(ExtendedDesktopTest, GetRootWindowMatching) {
   UpdateDisplay("700x500,600x500");
   SetSecondaryDisplayLayout(display::DisplayPlacement::LEFT);

   aura::Window::Windows root_windows = Shell::GetAllRootWindows();

   // Containing rect.
   using window_util::GetRootWindowMatching;
   EXPECT_EQ(root_windows[1],
             GetRootWindowMatching(gfx::Rect(-300, 10, 50, 50)));
   EXPECT_EQ(root_windows[0], GetRootWindowMatching(gfx::Rect(100, 10, 50, 50)));

   // Intersecting rect.
   EXPECT_EQ(root_windows[1],
             GetRootWindowMatching(gfx::Rect(-200, 0, 300, 300)));
   EXPECT_EQ(root_windows[0],
             GetRootWindowMatching(gfx::Rect(-100, 0, 300, 300)));

   // Zero origin.
   EXPECT_EQ(root_windows[0], GetRootWindowMatching(gfx::Rect(0, 0, 0, 0)));
   EXPECT_EQ(root_windows[0], GetRootWindowMatching(gfx::Rect(0, 0, 1, 1)));

   // Empty rect.
   EXPECT_EQ(root_windows[1], GetRootWindowMatching(gfx::Rect(-400, 100, 0, 0)));
   EXPECT_EQ(root_windows[0], GetRootWindowMatching(gfx::Rect(100, 100, 0, 0)));

   // Out of range rect should return the primary root window.
   EXPECT_EQ(root_windows[0],
             GetRootWindowMatching(gfx::Rect(-600, -300, 50, 50)));
   EXPECT_EQ(root_windows[0], GetRootWindowMatching(gfx::Rect(0, 1000, 50, 50)));
 }

 TEST_F(ExtendedDesktopTest, Capture) {
   // This test deals with input events but not visuals so don't throttle input
   // on visuals.
   aura::Env::GetInstance()->set_throttle_input_on_resize_for_testing(false);

   UpdateDisplay("1000x600,600x400");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();

   aura::test::EventCountDelegate r1_d1;
   aura::test::EventCountDelegate r1_d2;
   aura::test::EventCountDelegate r2_d1;

   std::unique_ptr<aura::Window> r1_w1(aura::test::CreateTestWindowWithDelegate(
       &r1_d1, 0, gfx::Rect(10, 10, 100, 100), root_windows[0]));
   std::unique_ptr<aura::Window> r1_w2(aura::test::CreateTestWindowWithDelegate(
       &r1_d2, 0, gfx::Rect(10, 100, 100, 100), root_windows[0]));
   std::unique_ptr<aura::Window> r2_w1(aura::test::CreateTestWindowWithDelegate(
       &r2_d1, 0, gfx::Rect(10, 10, 100, 100), root_windows[1]));

   r1_w1->SetCapture();

   EXPECT_EQ(r1_w1.get(),
             aura::client::GetCaptureWindow(r2_w1->GetRootWindow()));

   ui::test::EventGenerator* generator = GetEventGenerator();
   generator->MoveMouseToCenterOf(r2_w1.get());
   // |r1_w1| will receive the events because it has capture.
   EXPECT_EQ("1 1 0", r1_d1.GetMouseMotionCountsAndReset());
   EXPECT_EQ("0 0 0", r1_d2.GetMouseMotionCountsAndReset());
   EXPECT_EQ("0 0 0", r2_d1.GetMouseMotionCountsAndReset());

   generator->ClickLeftButton();
   EXPECT_EQ("0 0 0", r2_d1.GetMouseMotionCountsAndReset());
   EXPECT_EQ("0 0", r2_d1.GetMouseButtonCountsAndReset());
   // The mouse is outside. On chromeos, the mouse is warped to the
   // dest root window, but it's not implemented on Win yet, so
   // no mouse move event on Win.
   EXPECT_EQ("0 0 0", r1_d1.GetMouseMotionCountsAndReset());
   EXPECT_EQ("1 1", r1_d1.GetMouseButtonCountsAndReset());

   generator->MoveMouseTo(15, 15);
   EXPECT_EQ("0 1 0", r1_d1.GetMouseMotionCountsAndReset());
   EXPECT_EQ("0 0 0", r1_d2.GetMouseMotionCountsAndReset());

   r1_w2->SetCapture();
   EXPECT_EQ(r1_w2.get(),
             aura::client::GetCaptureWindow(r2_w1->GetRootWindow()));
   generator->MoveMouseBy(10, 10);
   // |r1_w2| has the capture. So it will receive the mouse-move event.
   EXPECT_EQ("0 0 0", r1_d1.GetMouseMotionCountsAndReset());
   EXPECT_EQ("0 1 0", r1_d2.GetMouseMotionCountsAndReset());
   EXPECT_EQ("0 0 0", r2_d1.GetMouseMotionCountsAndReset());

   generator->ClickLeftButton();
   EXPECT_EQ("0 0 0", r2_d1.GetMouseMotionCountsAndReset());
   EXPECT_EQ("0 0", r2_d1.GetMouseButtonCountsAndReset());
   EXPECT_EQ("0 0 0", r1_d2.GetMouseMotionCountsAndReset());
   EXPECT_EQ("1 1", r1_d2.GetMouseButtonCountsAndReset());

   r1_w2->ReleaseCapture();
   EXPECT_EQ(nullptr, aura::client::GetCaptureWindow(r2_w1->GetRootWindow()));

   generator->MoveMouseToCenterOf(r2_w1.get());
   generator->ClickLeftButton();
   EXPECT_EQ("1 1 0", r2_d1.GetMouseMotionCountsAndReset());
   EXPECT_EQ("1 1", r2_d1.GetMouseButtonCountsAndReset());
   // Make sure the mouse_moved_handler_ is properly reset.
   EXPECT_EQ("0 0 0", r1_d2.GetMouseMotionCountsAndReset());
   EXPECT_EQ("0 0", r1_d2.GetMouseButtonCountsAndReset());
 }

 TEST_F(ExtendedDesktopTest, CaptureEventLocation) {
   UpdateDisplay("1000x600,600x400");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();

   aura::test::EventCountDelegate r1_d1;
   aura::test::EventCountDelegate r1_d2;
   aura::test::EventCountDelegate r2_d1;

   std::unique_ptr<aura::Window> r1_w1(aura::test::CreateTestWindowWithDelegate(
       &r1_d1, 0, gfx::Rect(10, 10, 100, 100), root_windows[0]));
   std::unique_ptr<aura::Window> r1_w2(aura::test::CreateTestWindowWithDelegate(
       &r1_d2, 0, gfx::Rect(10, 100, 100, 100), root_windows[0]));
   std::unique_ptr<aura::Window> r2_w1(aura::test::CreateTestWindowWithDelegate(
       &r2_d1, 0, gfx::Rect(10, 10, 100, 100), root_windows[1]));

   r1_w1->SetCapture();

   ui::test::EventGenerator* generator = GetEventGenerator();
   generator->MoveMouseToCenterOf(r2_w1.get());
   EXPECT_EQ(gfx::Point(1060, 60).ToString(),
             generator->current_screen_location().ToString());

   EventLocationHandler location_handler;
   r1_w1->AddPreTargetHandler(&location_handler);
   generator->ClickLeftButton();
   r1_w1->RemovePreTargetHandler(&location_handler);
   EXPECT_EQ(gfx::Point(1050, 50).ToString(),
             location_handler.press_location().ToString());
   EXPECT_EQ(gfx::Point(1050, 50).ToString(),
             location_handler.release_location().ToString());
 }

 TEST_F(ExtendedDesktopTest, CaptureEventLocationHighDPI) {
   UpdateDisplay("1000x600*2,600x400");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();

   aura::test::EventCountDelegate r1_d1;
   aura::test::EventCountDelegate r1_d2;
   aura::test::EventCountDelegate r2_d1;

   std::unique_ptr<aura::Window> r1_w1(aura::test::CreateTestWindowWithDelegate(
       &r1_d1, 0, gfx::Rect(10, 10, 100, 100), root_windows[0]));
   std::unique_ptr<aura::Window> r1_w2(aura::test::CreateTestWindowWithDelegate(
       &r1_d2, 0, gfx::Rect(10, 100, 100, 100), root_windows[0]));
   std::unique_ptr<aura::Window> r2_w1(aura::test::CreateTestWindowWithDelegate(
       &r2_d1, 0, gfx::Rect(10, 10, 100, 100), root_windows[1]));

   r1_w1->SetCapture();

   ui::test::EventGenerator* generator = GetEventGenerator();
   generator->MoveMouseToCenterOf(r2_w1.get());
   EXPECT_EQ(gfx::Point(560, 60).ToString(),
             generator->current_screen_location().ToString());

   EventLocationHandler location_handler;
   r1_w1->AddPreTargetHandler(&location_handler);
   generator->ClickLeftButton();
   r1_w1->RemovePreTargetHandler(&location_handler);
   EXPECT_EQ(gfx::Point(550, 50).ToString(),
             location_handler.press_location().ToString());
   EXPECT_EQ(gfx::Point(550, 50).ToString(),
             location_handler.release_location().ToString());
 }

 TEST_F(ExtendedDesktopTest, CaptureEventLocationHighDPI_2) {
   UpdateDisplay("1000x600,600x400*2");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();

   aura::test::EventCountDelegate r1_d1;
   aura::test::EventCountDelegate r1_d2;
   aura::test::EventCountDelegate r2_d1;

   std::unique_ptr<aura::Window> r1_w1(aura::test::CreateTestWindowWithDelegate(
       &r1_d1, 0, gfx::Rect(10, 10, 100, 100), root_windows[0]));
   std::unique_ptr<aura::Window> r1_w2(aura::test::CreateTestWindowWithDelegate(
       &r1_d2, 0, gfx::Rect(10, 100, 100, 100), root_windows[0]));
   std::unique_ptr<aura::Window> r2_w1(aura::test::CreateTestWindowWithDelegate(
       &r2_d1, 0, gfx::Rect(10, 10, 100, 100), root_windows[1]));

   r1_w1->SetCapture();

   ui::test::EventGenerator* generator = GetEventGenerator();
   generator->MoveMouseToCenterOf(r2_w1.get());
   EXPECT_EQ(gfx::Point(1060, 60).ToString(),
             generator->current_screen_location().ToString());

   EventLocationHandler location_handler;
   r1_w1->AddPreTargetHandler(&location_handler);
   generator->ClickLeftButton();
   r1_w1->RemovePreTargetHandler(&location_handler);
   // Event-generator dispatches the event in the primary root-window's coord
   // space. Since the location is (1060, 60), it goes to the secondary
   // root-window as (30, 30) since the secondary root-window has a device scale
   // factor of 2.
   EXPECT_EQ(gfx::Point(1020, 20).ToString(),
             location_handler.press_location().ToString());
   EXPECT_EQ(gfx::Point(1020, 20).ToString(),
             location_handler.release_location().ToString());
 }

 TEST_F(ExtendedDesktopTest, MoveWindow) {
   UpdateDisplay("1000x600,600x400");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   views::Widget* d1 = CreateTestWidget(gfx::Rect(10, 10, 100, 100));

   EXPECT_EQ(root_windows[0], d1->GetNativeView()->GetRootWindow());

   d1->SetBounds(gfx::Rect(1010, 10, 100, 100));
   EXPECT_EQ("1010,10 100x100", d1->GetWindowBoundsInScreen().ToString());

   EXPECT_EQ(root_windows[1], d1->GetNativeView()->GetRootWindow());

   d1->SetBounds(gfx::Rect(10, 10, 100, 100));
   EXPECT_EQ("10,10 100x100", d1->GetWindowBoundsInScreen().ToString());

   EXPECT_EQ(root_windows[0], d1->GetNativeView()->GetRootWindow());

   // Make sure the bounds which doesn't fit to the root window
   // works correctly.
   d1->SetBounds(gfx::Rect(1560, 30, 100, 100));
   EXPECT_EQ(root_windows[1], d1->GetNativeView()->GetRootWindow());
   EXPECT_EQ("1560,30 100x100", d1->GetWindowBoundsInScreen().ToString());

   // Setting outside of root windows will be moved to primary root window.
   // TODO(oshima): This one probably should pick the closest root window.
   d1->SetBounds(gfx::Rect(200, 10, 100, 100));
   EXPECT_EQ(root_windows[0], d1->GetNativeView()->GetRootWindow());
 }

 // Verifies if the mouse event arrives to the window even when the window
 // moves to another root in a pre-target handler.  See: crbug.com/157583
 TEST_F(ExtendedDesktopTest, MoveWindowByMouseClick) {
   UpdateDisplay("1000x600,600x400");

   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   aura::test::EventCountDelegate delegate;
   std::unique_ptr<aura::Window> window(aura::test::CreateTestWindowWithDelegate(
       &delegate, 0, gfx::Rect(10, 10, 100, 100), root_windows[0]));
   MoveWindowByClickEventHandler event_handler(window.get());
   window->AddPreTargetHandler(&event_handler);

   ui::test::EventGenerator* event_generator = GetEventGenerator();

   event_generator->MoveMouseToCenterOf(window.get());
   event_generator->ClickLeftButton();
   // Both mouse pressed and released arrive at the window and its delegate.
   EXPECT_EQ("1 1", delegate.GetMouseButtonCountsAndReset());
   // Also event_handler moves the window to another root at mouse release.
   EXPECT_EQ(root_windows[1], window->GetRootWindow());
 }

 TEST_F(ExtendedDesktopTest, MoveWindowToDisplay) {
   UpdateDisplay("1000x900,1000x900");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();

   display::Display display0 = display::Screen::GetScreen()->GetDisplayMatching(
       root_windows[0]->GetBoundsInScreen());
   display::Display display1 = display::Screen::GetScreen()->GetDisplayMatching(
       root_windows[1]->GetBoundsInScreen());
   EXPECT_NE(display0.id(), display1.id());

   views::Widget* d1 = CreateTestWidget(gfx::Rect(10, 10, 1000, 100));
   EXPECT_EQ(root_windows[0], d1->GetNativeView()->GetRootWindow());

   // Move the window where the window spans both root windows. Since the second
   // parameter is |display1|, the window should be shown on the secondary root.
   d1->GetNativeWindow()->SetBoundsInScreen(gfx::Rect(500, 10, 1000, 100),
                                            display1);
   EXPECT_EQ("500,10 1000x100", d1->GetWindowBoundsInScreen().ToString());
   EXPECT_EQ(root_windows[1], d1->GetNativeView()->GetRootWindow());

   // Move to the primary root.
   d1->GetNativeWindow()->SetBoundsInScreen(gfx::Rect(500, 10, 1000, 100),
                                            display0);
   EXPECT_EQ("500,10 1000x100", d1->GetWindowBoundsInScreen().ToString());
   EXPECT_EQ(root_windows[0], d1->GetNativeView()->GetRootWindow());
 }

 TEST_F(ExtendedDesktopTest, MoveWindowWithTransient) {
   UpdateDisplay("1000x600,600x400");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   // Create and activate a normal window |w1|.
   aura::Window* w1 =
       CreateTestWindowInShellWithBounds(gfx::Rect(10, 10, 100, 100));
   wm::ActivateWindow(w1);
   // |w1_t1| is a transient child window of |w1|.
   std::unique_ptr<aura::Window> w1_t1 =
       ChildTestWindowBuilder(w1, gfx::Rect(50, 50, 50, 50),
                              desks_util::GetActiveDeskContainerId())
           .Build();
   ::wm::AddTransientChild(w1, w1_t1.get());
   // |w1_t11| is a transient child window of transient child window |w1_t1|.
   std::unique_ptr<aura::Window> w1_t11 =
       ChildTestWindowBuilder(w1_t1.get(), gfx::Rect(2, 7, 35, 35),
                              desks_util::GetActiveDeskContainerId())
           .Build();
   ::wm::AddTransientChild(w1_t1.get(), w1_t11.get());

   // |w11| is a non-transient child window of |w1|.
   std::unique_ptr<aura::Window> w11 =
       ChildTestWindowBuilder(w1, gfx::Rect(10, 10, 40, 40),
                              desks_util::GetActiveDeskContainerId())
           .Build();
   // |w11_t1| is a transient child window of |w11|.
   std::unique_ptr<aura::Window> w11_t1 =
       ChildTestWindowBuilder(w11.get(), gfx::Rect(30, 10, 80, 80),
                              desks_util::GetActiveDeskContainerId())
           .Build();
   ::wm::AddTransientChild(w11.get(), w11_t1.get());

   EXPECT_EQ(root_windows[0], w1->GetRootWindow());
   EXPECT_EQ(root_windows[0], w1_t1->GetRootWindow());
   EXPECT_EQ(root_windows[0], w1_t11->GetRootWindow());
   EXPECT_EQ(root_windows[0], w11->GetRootWindow());
   EXPECT_EQ(root_windows[0], w11_t1->GetRootWindow());
   EXPECT_EQ("10,10 100x100", w1->GetBoundsInScreen().ToString());
   EXPECT_EQ("60,60 50x50", w1_t1->GetBoundsInScreen().ToString());
   EXPECT_EQ("62,67 35x35", w1_t11->GetBoundsInScreen().ToString());
   EXPECT_EQ("20,20 40x40", w11->GetBoundsInScreen().ToString());
   EXPECT_EQ("50,30 80x80", w11_t1->GetBoundsInScreen().ToString());

   w1->SetBoundsInScreen(gfx::Rect(1200, 10, 100, 100), GetSecondaryDisplay());

   EXPECT_EQ(root_windows[1], w1->GetRootWindow());
   EXPECT_EQ(root_windows[1], w1_t1->GetRootWindow());
   EXPECT_EQ(root_windows[1], w1_t11->GetRootWindow());
   EXPECT_EQ(root_windows[1], w11->GetRootWindow());
   EXPECT_EQ(root_windows[1], w11_t1->GetRootWindow());

   EXPECT_EQ("1200,10 100x100", w1->GetBoundsInScreen().ToString());
   EXPECT_EQ("1250,60 50x50", w1_t1->GetBoundsInScreen().ToString());
   EXPECT_EQ("1252,67 35x35", w1_t11->GetBoundsInScreen().ToString());
   EXPECT_EQ("1210,20 40x40", w11->GetBoundsInScreen().ToString());
   EXPECT_EQ("1240,30 80x80", w11_t1->GetBoundsInScreen().ToString());
 }

 // Test transient child is parented after its transient parent moved to another
 // root window.
 TEST_F(ExtendedDesktopTest, PostMoveParentTransientChild) {
   UpdateDisplay("600x400,600x400");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   // Create and activate a normal window.
   aura::Window* window =
       CreateTestWindowInShellWithBounds(gfx::Rect(10, 10, 100, 100));
   wm::ActivateWindow(window);
   // Create a transient child window of |window| without parenting to |window|
   // yet.
   std::unique_ptr<aura::Window> child = std::make_unique<aura::Window>(nullptr);
   child->SetType(aura::client::WINDOW_TYPE_NORMAL);
   child->Init(ui::LAYER_TEXTURED);
   child->SetBounds(gfx::Rect(50, 50, 50, 50));
   child->Show();
   ::wm::AddTransientChild(window, child.get());

   // Move |window| to another display and ensure that crash doesn't happen.
   window->SetBoundsInScreen(gfx::Rect(610, 10, 100, 100),
                             GetSecondaryDisplay());

   // Parent |child| to |window| now.
   window->AddChild(child.get());

   EXPECT_EQ(root_windows[1], window->GetRootWindow());
   EXPECT_EQ(root_windows[1], child->GetRootWindow());
   EXPECT_EQ("610,10 100x100", window->GetBoundsInScreen().ToString());
   EXPECT_EQ("660,60 50x50", child->GetBoundsInScreen().ToString());
 }

 // Test if the Window::ConvertPointToTarget works across root windows.
 TEST_F(ExtendedDesktopTest, ConvertPoint) {
   display::Screen* screen = display::Screen::GetScreen();
   UpdateDisplay("1000x600,600x400");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   display::Display display_1 = screen->GetDisplayNearestWindow(root_windows[0]);
   EXPECT_EQ("0,0", display_1.bounds().origin().ToString());
   display::Display display_2 = screen->GetDisplayNearestWindow(root_windows[1]);
   EXPECT_EQ("1000,0", display_2.bounds().origin().ToString());

   aura::Window* d1 =
       CreateTestWidget(gfx::Rect(10, 10, 100, 100))->GetNativeView();
   aura::Window* d2 =
       CreateTestWidget(gfx::Rect(1020, 20, 100, 100))->GetNativeView();
   EXPECT_EQ(root_windows[0], d1->GetRootWindow());
   EXPECT_EQ(root_windows[1], d2->GetRootWindow());

   // Convert point in the Root2's window to the Root1's window Coord.
   gfx::Point p(0, 0);
   aura::Window::ConvertPointToTarget(root_windows[1], root_windows[0], &p);
   EXPECT_EQ("1000,0", p.ToString());
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToTarget(d2, d1, &p);
   EXPECT_EQ("1010,10", p.ToString());

   // Convert point in the Root1's window to the Root2's window Coord.
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToTarget(root_windows[0], root_windows[1], &p);
   EXPECT_EQ("-1000,0", p.ToString());
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToTarget(d1, d2, &p);
   EXPECT_EQ("-1010,-10", p.ToString());

   // Move the 2nd display to the bottom and test again.
   SetSecondaryDisplayLayout(display::DisplayPlacement::BOTTOM);

   display_2 = screen->GetDisplayNearestWindow(root_windows[1]);
   EXPECT_EQ("0,600", display_2.bounds().origin().ToString());

   // Convert point in Root2's window to Root1's window Coord.
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToTarget(root_windows[1], root_windows[0], &p);
   EXPECT_EQ("0,600", p.ToString());
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToTarget(d2, d1, &p);
   EXPECT_EQ("10,610", p.ToString());

   // Convert point in Root1's window to Root2's window Coord.
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToTarget(root_windows[0], root_windows[1], &p);
   EXPECT_EQ("0,-600", p.ToString());
   p.SetPoint(0, 0);
   aura::Window::ConvertPointToTarget(d1, d2, &p);
   EXPECT_EQ("-10,-610", p.ToString());
 }

 TEST_F(ExtendedDesktopTest, OpenSystemTray) {
   // Two displays side by side and both are high enough for tray bubble.
   UpdateDisplay("500x600,600x700");
   ASSERT_FALSE(IsBubbleShown());

   ui::test::EventGenerator* event_generator = GetEventGenerator();

   // Opens the tray by a dummy click event and makes sure that adding/removing
   // displays doesn't break anything.
   event_generator->MoveMouseTo(GetSystemTrayBoundsInScreen().CenterPoint());
   event_generator->ClickLeftButton();
   EXPECT_TRUE(IsBubbleShown());

   // Verifies that the bubble is within the primary display.
   const gfx::Rect primary_display_bounds = GetPrimaryDisplay().bounds();
   const gfx::Rect tray_bubble_bounds =
       GetPrimaryUnifiedSystemTray()->GetBubbleBoundsInScreen();
   EXPECT_TRUE(primary_display_bounds.Contains(tray_bubble_bounds))
       << "primary display bounds=" << primary_display_bounds.ToString()
       << ", tray bubble bounds=" << tray_bubble_bounds.ToString();

   UpdateDisplay("500x600");
   EXPECT_TRUE(IsBubbleShown());
   UpdateDisplay("500x600,600x700");
   EXPECT_TRUE(IsBubbleShown());

   // Closes the tray and again makes sure that adding/removing displays doesn't
   // break anything.
   event_generator->ClickLeftButton();
   base::RunLoop().RunUntilIdle();

   EXPECT_FALSE(IsBubbleShown());

   UpdateDisplay("500x600");
   EXPECT_FALSE(IsBubbleShown());
   UpdateDisplay("500x600,600x700");
   EXPECT_FALSE(IsBubbleShown());
 }

 TEST_F(ExtendedDesktopTest, StayInSameRootWindow) {
   UpdateDisplay("200x100,300x200");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
   views::Widget* w1 = CreateTestWidget(gfx::Rect(10, 10, 50, 50));
   EXPECT_EQ(root_windows[0], w1->GetNativeView()->GetRootWindow());
   w1->SetBounds(gfx::Rect(250, 10, 50, 50));
   EXPECT_EQ(root_windows[1], w1->GetNativeView()->GetRootWindow());

   // The widget stays in the same root if kLockedToRootKey is set to true.
   w1->GetNativeView()->SetProperty(kLockedToRootKey, true);
   w1->SetBounds(gfx::Rect(10, 10, 50, 50));
   EXPECT_EQ(root_windows[1], w1->GetNativeView()->GetRootWindow());

   // The widget should now move to the 1st root window without the property.
   w1->GetNativeView()->ClearProperty(kLockedToRootKey);
   w1->SetBounds(gfx::Rect(10, 10, 50, 50));
   EXPECT_EQ(root_windows[0], w1->GetNativeView()->GetRootWindow());

   // a window in SettingsBubbleContainer, ShelfControlContainer and
   // OverviewFocusContainer should not move to another root window
   // regardless of the bounds specified.
   aura::Window* settings_bubble_container =
       Shell::GetPrimaryRootWindowController()->GetContainer(
           kShellWindowId_SettingBubbleContainer);
   aura::Window* window =
       aura::test::CreateTestWindowWithId(100, settings_bubble_container);
   window->SetBoundsInScreen(gfx::Rect(250, 10, 50, 50), GetSecondaryDisplay());
   EXPECT_EQ(root_windows[0], window->GetRootWindow());

   aura::Window* status_container =
       Shell::GetPrimaryRootWindowController()->GetContainer(
           kShellWindowId_ShelfContainer);
   window = aura::test::CreateTestWindowWithId(100, status_container);
   window->SetBoundsInScreen(gfx::Rect(250, 10, 50, 50), GetSecondaryDisplay());
   EXPECT_EQ(root_windows[0], window->GetRootWindow());
 }

 TEST_F(ExtendedDesktopTest, KeyEventsOnLockScreen) {
   UpdateDisplay("200x100,300x200");
   aura::Window::Windows root_windows = Shell::GetAllRootWindows();

   // Create normal windows on both displays.
   views::Widget* widget1 = CreateTestWidget(
       display::Screen::GetScreen()->GetPrimaryDisplay().bounds());
   widget1->Show();
   EXPECT_EQ(root_windows[0], widget1->GetNativeView()->GetRootWindow());
   views::Widget* widget2 = CreateTestWidget(GetSecondaryDisplay().bounds());
   widget2->Show();
   EXPECT_EQ(root_windows[1], widget2->GetNativeView()->GetRootWindow());

   // Create a LockScreen window.
   views::Widget* lock_widget = CreateTestWidget(
       display::Screen::GetScreen()->GetPrimaryDisplay().bounds());
   views::Textfield* textfield = new views::Textfield;
   lock_widget->client_view()->AddChildView(textfield);

   Shell::GetContainer(Shell::GetPrimaryRootWindow(),
                       kShellWindowId_LockScreenContainer)
       ->AddChild(lock_widget->GetNativeView());
   lock_widget->Show();
   textfield->RequestFocus();

   aura::client::FocusClient* focus_client =
       aura::client::GetFocusClient(root_windows[0]);
   EXPECT_EQ(lock_widget->GetNativeView(), focus_client->GetFocusedWindow());

   // The lock window should get events on both root windows.
   ui::test::EventGenerator* event_generator = GetEventGenerator();

   event_generator->set_current_target(root_windows[0]);
   event_generator->PressAndReleaseKey(ui::VKEY_A);
   EXPECT_EQ(lock_widget->GetNativeView(), focus_client->GetFocusedWindow());
   EXPECT_EQ("a", base::UTF16ToASCII(textfield->GetText()));

   event_generator->set_current_target(root_windows[1]);
   event_generator->PressAndReleaseKey(ui::VKEY_B);
   EXPECT_EQ(lock_widget->GetNativeView(), focus_client->GetFocusedWindow());
   EXPECT_EQ("ab", base::UTF16ToASCII(textfield->GetText()));

   // Deleting 2nd display. The lock window still should get the events.
   UpdateDisplay("200x100");
   event_generator->set_current_target(root_windows[0]);
   event_generator->PressAndReleaseKey(ui::VKEY_C);
   EXPECT_EQ(lock_widget->GetNativeView(), focus_client->GetFocusedWindow());
   EXPECT_EQ("abc", base::UTF16ToASCII(textfield->GetText()));

   // Creating 2nd display again, and lock window still should get events
   // on both root windows.
   UpdateDisplay("200x100,300x200");
   root_windows = Shell::GetAllRootWindows();
   event_generator->set_current_target(root_windows[0]);
   event_generator->PressAndReleaseKey(ui::VKEY_D);
   EXPECT_EQ(lock_widget->GetNativeView(), focus_client->GetFocusedWindow());
   EXPECT_EQ("abcd", base::UTF16ToASCII(textfield->GetText()));

   event_generator->set_current_target(root_windows[1]);
   event_generator->PressAndReleaseKey(ui::VKEY_E);
   EXPECT_EQ(lock_widget->GetNativeView(), focus_client->GetFocusedWindow());
   EXPECT_EQ("abcde", base::UTF16ToASCII(textfield->GetText()));
 }

 // Verifies that clicking in the primary display and dragging to the secondary
 // display correctly sets the event location (window local) and root_location
 // (in screen coordinates) for the mouse event. https://crrev.com/11691010
 TEST_F(ExtendedDesktopTest, PassiveGrab) {
   // This test deals with input events but not visuals so don't throttle input
   // on visuals.
   aura::Env::GetInstance()->set_throttle_input_on_resize_for_testing(false);
   EventLocationRecordingEventHandler event_handler;
   Shell::Get()->AddPreTargetHandler(&event_handler);

   // Create large displays so the widget won't be moved after creation.
   // https://crbug.com/890633
   UpdateDisplay("1000x900,1000x900");

   views::Widget* widget = CreateTestWidget(gfx::Rect(50, 50, 200, 200));
   widget->Show();
   ASSERT_EQ("50,50 200x200", widget->GetWindowBoundsInScreen().ToString());

   // Move the mouse to the center of the window.
   ui::test::EventGenerator* generator = GetEventGenerator();
   generator->MoveMouseTo(150, 150);

   // Location is relative to the window.
   EXPECT_EQ("100,100", event_handler.GetLocation());

   // Root location is relative to the display.
   EXPECT_EQ("150,150", event_handler.GetRootLocation());
   event_handler.Reset();

   // Drag the mouse to the secondary display. Does not drag the window.
   generator->PressLeftButton();
   generator->MoveMouseBy(1000, 0);

   // Location is relative to the original window.
   EXPECT_EQ("1100,100", event_handler.GetLocation());

   // Root location is relative to the original display.
   EXPECT_EQ("1150,150", event_handler.GetRootLocation());
   event_handler.Reset();

   // End the drag.
   generator->ReleaseLeftButton();
   EXPECT_EQ("-999,-999", event_handler.GetRootLocation());
   EXPECT_EQ("-999,-999", event_handler.GetLocation());
   event_handler.Reset();

   // Move the mouse to the top-left of the secondary display.
   generator->MoveMouseTo(1001, 1);

   // Location is relative to the new display.
   EXPECT_EQ("1,1", event_handler.GetLocation());

   // Root location is relative to the new display.
   EXPECT_EQ("1,1", event_handler.GetRootLocation());
   event_handler.Reset();

   Shell::Get()->RemovePreTargetHandler(&event_handler);
 }

 }  // namespace ash