ash/wm/workspace/workspace_layout_manager_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/wm/workspace/workspace_layout_manager.h"
   6
   7 #include "ash/display/display_layout.h"
   8 #include "ash/display/display_manager.h"
   9 #include "ash/root_window_controller.h"
  10 #include "ash/screen_util.h"
  11 #include "ash/session/session_state_delegate.h"
  12 #include "ash/shelf/shelf_layout_manager.h"
  13 #include "ash/shell.h"
  14 #include "ash/shell_observer.h"
  15 #include "ash/shell_window_ids.h"
  16 #include "ash/test/ash_test_base.h"
  17 #include "ash/wm/maximize_mode/workspace_backdrop_delegate.h"
  18 #include "ash/wm/window_state.h"
  19 #include "ash/wm/window_util.h"
  20 #include "ash/wm/wm_event.h"
  21 #include "ash/wm/workspace/workspace_window_resizer.h"
  22 #include "base/basictypes.h"
  23 #include "base/compiler_specific.h"
  24 #include "ui/aura/client/aura_constants.h"
  25 #include "ui/aura/test/test_windows.h"
  26 #include "ui/aura/window.h"
  27 #include "ui/aura/window_event_dispatcher.h"
  28 #include "ui/base/ui_base_types.h"
  29 #include "ui/gfx/insets.h"
  30 #include "ui/gfx/screen.h"
  31 #include "ui/views/widget/widget.h"
  32 #include "ui/views/widget/widget_delegate.h"
  33 #include "ui/wm/core/window_util.h"
  34
  35 namespace ash {
  36 namespace {
  37
  38 class MaximizeDelegateView : public views::WidgetDelegateView {
  39  public:
  40   MaximizeDelegateView(const gfx::Rect& initial_bounds)
  41       : initial_bounds_(initial_bounds) {
  42   }
  43   virtual ~MaximizeDelegateView() {}
  44
  45   virtual bool GetSavedWindowPlacement(
  46       const views::Widget* widget,
  47       gfx::Rect* bounds,
  48       ui::WindowShowState* show_state) const OVERRIDE {
  49     *bounds = initial_bounds_;
  50     *show_state = ui::SHOW_STATE_MAXIMIZED;
  51     return true;
  52   }
  53
  54  private:
  55   const gfx::Rect initial_bounds_;
  56
  57   DISALLOW_COPY_AND_ASSIGN(MaximizeDelegateView);
  58 };
  59
  60 class TestShellObserver : public ShellObserver {
  61  public:
  62   TestShellObserver() : call_count_(0),
  63                         is_fullscreen_(false) {
  64     Shell::GetInstance()->AddShellObserver(this);
  65   }
  66
  67   virtual ~TestShellObserver() {
  68     Shell::GetInstance()->RemoveShellObserver(this);
  69   }
  70
  71   virtual void OnFullscreenStateChanged(bool is_fullscreen,
  72                                         aura::Window* root_window) OVERRIDE {
  73     call_count_++;
  74     is_fullscreen_ = is_fullscreen;
  75   }
  76
  77   int call_count() const {
  78     return call_count_;
  79   }
  80
  81   bool is_fullscreen() const {
  82     return is_fullscreen_;
  83   }
  84
  85  private:
  86   int call_count_;
  87   bool is_fullscreen_;
  88
  89   DISALLOW_COPY_AND_ASSIGN(TestShellObserver);
  90 };
  91
  92 }  // namespace
  93
  94 typedef test::AshTestBase WorkspaceLayoutManagerTest;
  95
  96 // Verifies that a window containing a restore coordinate will be restored to
  97 // to the size prior to minimize, keeping the restore rectangle in tact (if
  98 // there is one).
  99 TEST_F(WorkspaceLayoutManagerTest, RestoreFromMinimizeKeepsRestore) {
 100   scoped_ptr<aura::Window> window(
 101       CreateTestWindowInShellWithBounds(gfx::Rect(1, 2, 3, 4)));
 102   gfx::Rect bounds(10, 15, 25, 35);
 103   window->SetBounds(bounds);
 104
 105   wm::WindowState* window_state = wm::GetWindowState(window.get());
 106
 107   // This will not be used for un-minimizing window.
 108   window_state->SetRestoreBoundsInScreen(gfx::Rect(0, 0, 100, 100));
 109   window_state->Minimize();
 110   window_state->Restore();
 111   EXPECT_EQ("0,0 100x100", window_state->GetRestoreBoundsInScreen().ToString());
 112   EXPECT_EQ("10,15 25x35", window.get()->bounds().ToString());
 113
 114   if (!SupportsMultipleDisplays())
 115     return;
 116
 117   UpdateDisplay("400x300,500x400");
 118   window->SetBoundsInScreen(gfx::Rect(600, 0, 100, 100),
 119                             ScreenUtil::GetSecondaryDisplay());
 120   EXPECT_EQ(Shell::GetAllRootWindows()[1], window->GetRootWindow());
 121   window_state->Minimize();
 122   // This will not be used for un-minimizing window.
 123   window_state->SetRestoreBoundsInScreen(gfx::Rect(0, 0, 100, 100));
 124   window_state->Restore();
 125   EXPECT_EQ("600,0 100x100", window->GetBoundsInScreen().ToString());
 126
 127   // Make sure the unminimized window moves inside the display when
 128   // 2nd display is disconnected.
 129   window_state->Minimize();
 130   UpdateDisplay("400x300");
 131   window_state->Restore();
 132   EXPECT_EQ(Shell::GetPrimaryRootWindow(), window->GetRootWindow());
 133   EXPECT_TRUE(
 134       Shell::GetPrimaryRootWindow()->bounds().Intersects(window->bounds()));
 135 }
 136
 137 TEST_F(WorkspaceLayoutManagerTest, KeepMinimumVisibilityInDisplays) {
 138   if (!SupportsMultipleDisplays())
 139     return;
 140
 141   UpdateDisplay("300x400,400x500");
 142   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 143
 144   DisplayLayout layout(DisplayLayout::TOP, 0);
 145   Shell::GetInstance()->display_manager()->
 146       SetLayoutForCurrentDisplays(layout);
 147   EXPECT_EQ("0,-500 400x500", root_windows[1]->GetBoundsInScreen().ToString());
 148
 149   scoped_ptr<aura::Window> window1(
 150       CreateTestWindowInShellWithBounds(gfx::Rect(10, -400, 200, 200)));
 151   EXPECT_EQ("10,-400 200x200", window1->GetBoundsInScreen().ToString());
 152
 153   // Make sure the caption is visible.
 154   scoped_ptr<aura::Window> window2(
 155       CreateTestWindowInShellWithBounds(gfx::Rect(10, -600, 200, 200)));
 156   EXPECT_EQ("10,-500 200x200", window2->GetBoundsInScreen().ToString());
 157 }
 158
 159 TEST_F(WorkspaceLayoutManagerTest, KeepRestoredWindowInDisplay) {
 160   if (!SupportsHostWindowResize())
 161     return;
 162   scoped_ptr<aura::Window> window(
 163       CreateTestWindowInShellWithBounds(gfx::Rect(1, 2, 30, 40)));
 164   wm::WindowState* window_state = wm::GetWindowState(window.get());
 165
 166   // Maximized -> Normal transition.
 167   window_state->Maximize();
 168   window_state->SetRestoreBoundsInScreen(gfx::Rect(-100, -100, 30, 40));
 169   window_state->Restore();
 170   EXPECT_TRUE(
 171       Shell::GetPrimaryRootWindow()->bounds().Intersects(window->bounds()));
 172   // Y bounds should not be negative.
 173   EXPECT_EQ("-20,0 30x40", window->bounds().ToString());
 174
 175   // Minimized -> Normal transition.
 176   window->SetBounds(gfx::Rect(-100, -100, 30, 40));
 177   window_state->Minimize();
 178   EXPECT_FALSE(
 179       Shell::GetPrimaryRootWindow()->bounds().Intersects(window->bounds()));
 180   EXPECT_EQ("-100,-100 30x40", window->bounds().ToString());
 181   window->Show();
 182   EXPECT_TRUE(
 183       Shell::GetPrimaryRootWindow()->bounds().Intersects(window->bounds()));
 184   // Y bounds should not be negative.
 185   EXPECT_EQ("-20,0 30x40", window->bounds().ToString());
 186
 187   // Fullscreen -> Normal transition.
 188   window->SetBounds(gfx::Rect(0, 0, 30, 40));  // reset bounds.
 189   ASSERT_EQ("0,0 30x40", window->bounds().ToString());
 190   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_FULLSCREEN);
 191   EXPECT_EQ(window->bounds(), window->GetRootWindow()->bounds());
 192   window_state->SetRestoreBoundsInScreen(gfx::Rect(-100, -100, 30, 40));
 193   window_state->Restore();
 194   EXPECT_TRUE(
 195       Shell::GetPrimaryRootWindow()->bounds().Intersects(window->bounds()));
 196   // Y bounds should not be negative.
 197   EXPECT_EQ("-20,0 30x40", window->bounds().ToString());
 198 }
 199
 200 TEST_F(WorkspaceLayoutManagerTest, MaximizeInDisplayToBeRestored) {
 201   if (!SupportsMultipleDisplays())
 202     return;
 203   UpdateDisplay("300x400,400x500");
 204
 205   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 206
 207   scoped_ptr<aura::Window> window(
 208       CreateTestWindowInShellWithBounds(gfx::Rect(1, 2, 30, 40)));
 209   EXPECT_EQ(root_windows[0], window->GetRootWindow());
 210
 211   wm::WindowState* window_state = wm::GetWindowState(window.get());
 212   window_state->SetRestoreBoundsInScreen(gfx::Rect(400, 0, 30, 40));
 213   // Maximize the window in 2nd display as the restore bounds
 214   // is inside 2nd display.
 215   window_state->Maximize();
 216   EXPECT_EQ(root_windows[1], window->GetRootWindow());
 217   EXPECT_EQ("300,0 400x453", window->GetBoundsInScreen().ToString());
 218
 219   window_state->Restore();
 220   EXPECT_EQ(root_windows[1], window->GetRootWindow());
 221   EXPECT_EQ("400,0 30x40", window->GetBoundsInScreen().ToString());
 222
 223   // If the restore bounds intersects with the current display,
 224   // don't move.
 225   window_state->SetRestoreBoundsInScreen(gfx::Rect(280, 0, 30, 40));
 226   window_state->Maximize();
 227   EXPECT_EQ(root_windows[1], window->GetRootWindow());
 228   EXPECT_EQ("300,0 400x453", window->GetBoundsInScreen().ToString());
 229
 230   window_state->Restore();
 231   EXPECT_EQ(root_windows[1], window->GetRootWindow());
 232   EXPECT_EQ("280,0 30x40", window->GetBoundsInScreen().ToString());
 233
 234   // Restoring widget state.
 235   scoped_ptr<views::Widget> w1(new views::Widget);
 236   views::Widget::InitParams params;
 237   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
 238   params.delegate = new MaximizeDelegateView(gfx::Rect(400, 0, 30, 40));
 239   params.context = root_windows[0];
 240   w1->Init(params);
 241   w1->Show();
 242   EXPECT_TRUE(w1->IsMaximized());
 243   EXPECT_EQ(root_windows[1], w1->GetNativeView()->GetRootWindow());
 244   EXPECT_EQ("300,0 400x453", w1->GetWindowBoundsInScreen().ToString());
 245   w1->Restore();
 246   EXPECT_EQ(root_windows[1], w1->GetNativeView()->GetRootWindow());
 247   EXPECT_EQ("400,0 30x40", w1->GetWindowBoundsInScreen().ToString());
 248 }
 249
 250 TEST_F(WorkspaceLayoutManagerTest, FullscreenInDisplayToBeRestored) {
 251   if (!SupportsMultipleDisplays())
 252     return;
 253   UpdateDisplay("300x400,400x500");
 254
 255   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 256
 257   scoped_ptr<aura::Window> window(
 258       CreateTestWindowInShellWithBounds(gfx::Rect(1, 2, 30, 40)));
 259   EXPECT_EQ(root_windows[0], window->GetRootWindow());
 260
 261   wm::WindowState* window_state = wm::GetWindowState(window.get());
 262   window_state->SetRestoreBoundsInScreen(gfx::Rect(400, 0, 30, 40));
 263   // Maximize the window in 2nd display as the restore bounds
 264   // is inside 2nd display.
 265   window->SetProperty(aura::client::kShowStateKey,
 266                       ui::SHOW_STATE_FULLSCREEN);
 267   EXPECT_EQ(root_windows[1], window->GetRootWindow());
 268   EXPECT_EQ("300,0 400x500", window->GetBoundsInScreen().ToString());
 269
 270   window_state->Restore();
 271   EXPECT_EQ(root_windows[1], window->GetRootWindow());
 272   EXPECT_EQ("400,0 30x40", window->GetBoundsInScreen().ToString());
 273
 274   // If the restore bounds intersects with the current display,
 275   // don't move.
 276   window_state->SetRestoreBoundsInScreen(gfx::Rect(280, 0, 30, 40));
 277   window->SetProperty(aura::client::kShowStateKey,
 278                       ui::SHOW_STATE_FULLSCREEN);
 279   EXPECT_EQ(root_windows[1], window->GetRootWindow());
 280   EXPECT_EQ("300,0 400x500", window->GetBoundsInScreen().ToString());
 281
 282   window_state->Restore();
 283   EXPECT_EQ(root_windows[1], window->GetRootWindow());
 284   EXPECT_EQ("280,0 30x40", window->GetBoundsInScreen().ToString());
 285 }
 286
 287 // WindowObserver implementation used by DontClobberRestoreBoundsWindowObserver.
 288 // This code mirrors what BrowserFrameAsh does. In particular when this code
 289 // sees the window was maximized it changes the bounds of a secondary
 290 // window. The secondary window mirrors the status window.
 291 class DontClobberRestoreBoundsWindowObserver : public aura::WindowObserver {
 292  public:
 293   DontClobberRestoreBoundsWindowObserver() : window_(NULL) {}
 294
 295   void set_window(aura::Window* window) { window_ = window; }
 296
 297   virtual void OnWindowPropertyChanged(aura::Window* window,
 298                                        const void* key,
 299                                        intptr_t old) OVERRIDE {
 300     if (!window_)
 301       return;
 302
 303     if (wm::GetWindowState(window)->IsMaximized()) {
 304       aura::Window* w = window_;
 305       window_ = NULL;
 306
 307       gfx::Rect shelf_bounds(Shell::GetPrimaryRootWindowController()->
 308                              GetShelfLayoutManager()->GetIdealBounds());
 309       const gfx::Rect& window_bounds(w->bounds());
 310       w->SetBounds(gfx::Rect(window_bounds.x(), shelf_bounds.y() - 1,
 311                              window_bounds.width(), window_bounds.height()));
 312     }
 313   }
 314
 315  private:
 316   aura::Window* window_;
 317
 318   DISALLOW_COPY_AND_ASSIGN(DontClobberRestoreBoundsWindowObserver);
 319 };
 320
 321 // Creates a window, maximized the window and from within the maximized
 322 // notification sets the bounds of a window to overlap the shelf. Verifies this
 323 // doesn't effect the restore bounds.
 324 TEST_F(WorkspaceLayoutManagerTest, DontClobberRestoreBounds) {
 325   DontClobberRestoreBoundsWindowObserver window_observer;
 326   scoped_ptr<aura::Window> window(new aura::Window(NULL));
 327   window->SetType(ui::wm::WINDOW_TYPE_NORMAL);
 328   window->Init(aura::WINDOW_LAYER_TEXTURED);
 329   window->SetBounds(gfx::Rect(10, 20, 30, 40));
 330   // NOTE: for this test to exercise the failure the observer needs to be added
 331   // before the parent set. This mimics what BrowserFrameAsh does.
 332   window->AddObserver(&window_observer);
 333   ParentWindowInPrimaryRootWindow(window.get());
 334   window->Show();
 335
 336   wm::WindowState* window_state = wm::GetWindowState(window.get());
 337   window_state->Activate();
 338
 339   scoped_ptr<aura::Window> window2(
 340       CreateTestWindowInShellWithBounds(gfx::Rect(12, 20, 30, 40)));
 341   ::wm::AddTransientChild(window.get(), window2.get());
 342   window2->Show();
 343
 344   window_observer.set_window(window2.get());
 345   window_state->Maximize();
 346   EXPECT_EQ("10,20 30x40",
 347             window_state->GetRestoreBoundsInScreen().ToString());
 348   window->RemoveObserver(&window_observer);
 349 }
 350
 351 // Verifies when a window is maximized all descendant windows have a size.
 352 TEST_F(WorkspaceLayoutManagerTest, ChildBoundsResetOnMaximize) {
 353   scoped_ptr<aura::Window> window(
 354       CreateTestWindowInShellWithBounds(gfx::Rect(10, 20, 30, 40)));
 355   window->Show();
 356   wm::WindowState* window_state = wm::GetWindowState(window.get());
 357   window_state->Activate();
 358   scoped_ptr<aura::Window> child_window(
 359       aura::test::CreateTestWindowWithBounds(gfx::Rect(5, 6, 7, 8),
 360                                              window.get()));
 361   child_window->Show();
 362   window_state->Maximize();
 363   EXPECT_EQ("5,6 7x8", child_window->bounds().ToString());
 364 }
 365
 366 // Verifies a window created with maximized state has the maximized
 367 // bounds.
 368 TEST_F(WorkspaceLayoutManagerTest, MaximizeWithEmptySize) {
 369   scoped_ptr<aura::Window> window(
 370       aura::test::CreateTestWindowWithBounds(gfx::Rect(0, 0, 0, 0),
 371                                              NULL));
 372   wm::GetWindowState(window.get())->Maximize();
 373   aura::Window* default_container = Shell::GetContainer(
 374       Shell::GetPrimaryRootWindow(), kShellWindowId_DefaultContainer);
 375   default_container->AddChild(window.get());
 376   window->Show();
 377   gfx::Rect work_area(
 378       Shell::GetScreen()->GetPrimaryDisplay().work_area());
 379   EXPECT_EQ(work_area.ToString(), window->GetBoundsInScreen().ToString());
 380 }
 381
 382 TEST_F(WorkspaceLayoutManagerTest, WindowShouldBeOnScreenWhenAdded) {
 383   // Normal window bounds shouldn't be changed.
 384   gfx::Rect window_bounds(100, 100, 200, 200);
 385   scoped_ptr<aura::Window> window(
 386       CreateTestWindowInShellWithBounds(window_bounds));
 387   EXPECT_EQ(window_bounds, window->bounds());
 388
 389   // If the window is out of the workspace, it would be moved on screen.
 390   gfx::Rect root_window_bounds =
 391       Shell::GetInstance()->GetPrimaryRootWindow()->bounds();
 392   window_bounds.Offset(root_window_bounds.width(), root_window_bounds.height());
 393   ASSERT_FALSE(window_bounds.Intersects(root_window_bounds));
 394   scoped_ptr<aura::Window> out_window(
 395       CreateTestWindowInShellWithBounds(window_bounds));
 396   EXPECT_EQ(window_bounds.size(), out_window->bounds().size());
 397   gfx::Rect bounds = out_window->bounds();
 398   bounds.Intersect(root_window_bounds);
 399
 400   // 30% of the window edge must be visible.
 401   EXPECT_GT(bounds.width(), out_window->bounds().width() * 0.29);
 402   EXPECT_GT(bounds.height(), out_window->bounds().height() * 0.29);
 403
 404   aura::Window* parent = out_window->parent();
 405   parent->RemoveChild(out_window.get());
 406   out_window->SetBounds(gfx::Rect(-200, -200, 200, 200));
 407   // UserHasChangedWindowPositionOrSize flag shouldn't turn off this behavior.
 408   wm::GetWindowState(window.get())->set_bounds_changed_by_user(true);
 409   parent->AddChild(out_window.get());
 410   EXPECT_GT(bounds.width(), out_window->bounds().width() * 0.29);
 411   EXPECT_GT(bounds.height(), out_window->bounds().height() * 0.29);
 412
 413   // Make sure we always make more than 1/3 of the window edge visible even
 414   // if the initial bounds intersects with display.
 415   window_bounds.SetRect(-150, -150, 200, 200);
 416   bounds = window_bounds;
 417   bounds.Intersect(root_window_bounds);
 418
 419   // Make sure that the initial bounds' visible area is less than 26%
 420   // so that the auto adjustment logic kicks in.
 421   ASSERT_LT(bounds.width(), out_window->bounds().width() * 0.26);
 422   ASSERT_LT(bounds.height(), out_window->bounds().height() * 0.26);
 423   ASSERT_TRUE(window_bounds.Intersects(root_window_bounds));
 424
 425   scoped_ptr<aura::Window> partially_out_window(
 426       CreateTestWindowInShellWithBounds(window_bounds));
 427   EXPECT_EQ(window_bounds.size(), partially_out_window->bounds().size());
 428   bounds = partially_out_window->bounds();
 429   bounds.Intersect(root_window_bounds);
 430   EXPECT_GT(bounds.width(), out_window->bounds().width() * 0.29);
 431   EXPECT_GT(bounds.height(), out_window->bounds().height() * 0.29);
 432
 433   // Make sure the window whose 30% width/height is bigger than display
 434   // will be placed correctly.
 435   window_bounds.SetRect(-1900, -1900, 3000, 3000);
 436   scoped_ptr<aura::Window> window_bigger_than_display(
 437       CreateTestWindowInShellWithBounds(window_bounds));
 438   EXPECT_GE(root_window_bounds.width(),
 439             window_bigger_than_display->bounds().width());
 440   EXPECT_GE(root_window_bounds.height(),
 441             window_bigger_than_display->bounds().height());
 442
 443   bounds = window_bigger_than_display->bounds();
 444   bounds.Intersect(root_window_bounds);
 445   EXPECT_GT(bounds.width(), out_window->bounds().width() * 0.29);
 446   EXPECT_GT(bounds.height(), out_window->bounds().height() * 0.29);
 447 }
 448
 449 // Verifies the size of a window is enforced to be smaller than the work area.
 450 TEST_F(WorkspaceLayoutManagerTest, SizeToWorkArea) {
 451   // Normal window bounds shouldn't be changed.
 452   gfx::Size work_area(
 453       Shell::GetScreen()->GetPrimaryDisplay().work_area().size());
 454   const gfx::Rect window_bounds(
 455       100, 101, work_area.width() + 1, work_area.height() + 2);
 456   scoped_ptr<aura::Window> window(
 457       CreateTestWindowInShellWithBounds(window_bounds));
 458   EXPECT_EQ(gfx::Rect(gfx::Point(100, 101), work_area).ToString(),
 459       window->bounds().ToString());
 460
 461   // Directly setting the bounds triggers a slightly different code path. Verify
 462   // that too.
 463   window->SetBounds(window_bounds);
 464   EXPECT_EQ(gfx::Rect(gfx::Point(100, 101), work_area).ToString(),
 465       window->bounds().ToString());
 466 }
 467
 468 TEST_F(WorkspaceLayoutManagerTest, NotifyFullscreenChanges) {
 469   TestShellObserver observer;
 470   scoped_ptr<aura::Window> window1(
 471       CreateTestWindowInShellWithBounds(gfx::Rect(1, 2, 30, 40)));
 472   scoped_ptr<aura::Window> window2(
 473       CreateTestWindowInShellWithBounds(gfx::Rect(1, 2, 30, 40)));
 474   wm::WindowState* window_state1 = wm::GetWindowState(window1.get());
 475   wm::WindowState* window_state2 = wm::GetWindowState(window2.get());
 476   window_state2->Activate();
 477
 478   const wm::WMEvent toggle_fullscreen_event(wm::WM_EVENT_TOGGLE_FULLSCREEN);
 479   window_state2->OnWMEvent(&toggle_fullscreen_event);
 480   EXPECT_EQ(1, observer.call_count());
 481   EXPECT_TRUE(observer.is_fullscreen());
 482
 483   // When window1 moves to the front the fullscreen state should change.
 484   window_state1->Activate();
 485   EXPECT_EQ(2, observer.call_count());
 486   EXPECT_FALSE(observer.is_fullscreen());
 487
 488   // It should change back if window2 becomes active again.
 489   window_state2->Activate();
 490   EXPECT_EQ(3, observer.call_count());
 491   EXPECT_TRUE(observer.is_fullscreen());
 492
 493   window_state2->OnWMEvent(&toggle_fullscreen_event);
 494   EXPECT_EQ(4, observer.call_count());
 495   EXPECT_FALSE(observer.is_fullscreen());
 496
 497   window_state2->OnWMEvent(&toggle_fullscreen_event);
 498   EXPECT_EQ(5, observer.call_count());
 499   EXPECT_TRUE(observer.is_fullscreen());
 500
 501   // Closing the window should change the fullscreen state.
 502   window2.reset();
 503   EXPECT_EQ(6, observer.call_count());
 504   EXPECT_FALSE(observer.is_fullscreen());
 505 }
 506
 507 // Following tests were originally written for BaseLayoutManager.
 508
 509 namespace {
 510
 511 class WorkspaceLayoutManagerSoloTest : public test::AshTestBase {
 512  public:
 513   WorkspaceLayoutManagerSoloTest() {}
 514   virtual ~WorkspaceLayoutManagerSoloTest() {}
 515
 516   virtual void SetUp() OVERRIDE {
 517     test::AshTestBase::SetUp();
 518     UpdateDisplay("800x600");
 519     aura::Window* default_container = Shell::GetContainer(
 520         Shell::GetPrimaryRootWindow(), kShellWindowId_DefaultContainer);
 521     default_container->SetLayoutManager(
 522         new WorkspaceLayoutManager(Shell::GetPrimaryRootWindow()));
 523   }
 524
 525   aura::Window* CreateTestWindow(const gfx::Rect& bounds) {
 526     return CreateTestWindowInShellWithBounds(bounds);
 527   }
 528
 529  private:
 530   DISALLOW_COPY_AND_ASSIGN(WorkspaceLayoutManagerSoloTest);
 531 };
 532
 533 }  // namespace
 534
 535 // Tests normal->maximize->normal.
 536 TEST_F(WorkspaceLayoutManagerSoloTest, Maximize) {
 537   gfx::Rect bounds(100, 100, 200, 200);
 538   scoped_ptr<aura::Window> window(CreateTestWindow(bounds));
 539   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
 540   // Maximized window fills the work area, not the whole display.
 541   EXPECT_EQ(
 542       ScreenUtil::GetMaximizedWindowBoundsInParent(window.get()).ToString(),
 543       window->bounds().ToString());
 544   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
 545   EXPECT_EQ(bounds.ToString(), window->bounds().ToString());
 546 }
 547
 548 // Tests normal->minimize->normal.
 549 TEST_F(WorkspaceLayoutManagerSoloTest, Minimize) {
 550   gfx::Rect bounds(100, 100, 200, 200);
 551   scoped_ptr<aura::Window> window(CreateTestWindow(bounds));
 552   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MINIMIZED);
 553   // Note: Currently minimize doesn't do anything except set the state.
 554   // See crbug.com/104571.
 555   EXPECT_EQ(bounds.ToString(), window->bounds().ToString());
 556   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
 557   EXPECT_EQ(bounds.ToString(), window->bounds().ToString());
 558 }
 559
 560 // A WindowDelegate which sets the focus when the window
 561 // becomes visible.
 562 class FocusDelegate : public aura::test::TestWindowDelegate {
 563  public:
 564   FocusDelegate()
 565       : window_(NULL),
 566         show_state_(ui::SHOW_STATE_END) {
 567   }
 568   virtual ~FocusDelegate() {}
 569
 570   void set_window(aura::Window* window) { window_ = window; }
 571
 572   // aura::test::TestWindowDelegate overrides:
 573   virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE {
 574     if (window_) {
 575       if (visible)
 576         window_->Focus();
 577       show_state_ = window_->GetProperty(aura::client::kShowStateKey);
 578     }
 579   }
 580
 581   ui::WindowShowState GetShowStateAndReset() {
 582     ui::WindowShowState ret = show_state_;
 583     show_state_ = ui::SHOW_STATE_END;
 584     return ret;
 585   }
 586
 587  private:
 588   aura::Window* window_;
 589   ui::WindowShowState show_state_;
 590
 591   DISALLOW_COPY_AND_ASSIGN(FocusDelegate);
 592 };
 593
 594 // Make sure that the window's show state is correct in
 595 // |WindowDelegate::OnWindowTargetVisibilityChanged|, and setting
 596 // focus in this callback doesn't cause DCHECK error.  See
 597 // crbug.com/168383.
 598 TEST_F(WorkspaceLayoutManagerSoloTest, FocusDuringUnminimize) {
 599   FocusDelegate delegate;
 600   scoped_ptr<aura::Window> window(CreateTestWindowInShellWithDelegate(
 601       &delegate, 0, gfx::Rect(100, 100, 100, 100)));
 602   delegate.set_window(window.get());
 603   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MINIMIZED);
 604   EXPECT_FALSE(window->IsVisible());
 605   EXPECT_EQ(ui::SHOW_STATE_MINIMIZED, delegate.GetShowStateAndReset());
 606   window->Show();
 607   EXPECT_TRUE(window->IsVisible());
 608   EXPECT_EQ(ui::SHOW_STATE_NORMAL, delegate.GetShowStateAndReset());
 609 }
 610
 611 // Tests maximized window size during root window resize.
 612 TEST_F(WorkspaceLayoutManagerSoloTest, MaximizeRootWindowResize) {
 613   gfx::Rect bounds(100, 100, 200, 200);
 614   scoped_ptr<aura::Window> window(CreateTestWindow(bounds));
 615   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
 616   gfx::Rect initial_work_area_bounds =
 617       ScreenUtil::GetMaximizedWindowBoundsInParent(window.get());
 618   EXPECT_EQ(initial_work_area_bounds.ToString(), window->bounds().ToString());
 619   // Enlarge the root window.  We should still match the work area size.
 620   UpdateDisplay("900x700");
 621   EXPECT_EQ(
 622       ScreenUtil::GetMaximizedWindowBoundsInParent(window.get()).ToString(),
 623       window->bounds().ToString());
 624   EXPECT_NE(
 625       initial_work_area_bounds.ToString(),
 626       ScreenUtil::GetMaximizedWindowBoundsInParent(window.get()).ToString());
 627 }
 628
 629 // Tests normal->fullscreen->normal.
 630 TEST_F(WorkspaceLayoutManagerSoloTest, Fullscreen) {
 631   gfx::Rect bounds(100, 100, 200, 200);
 632   scoped_ptr<aura::Window> window(CreateTestWindow(bounds));
 633   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_FULLSCREEN);
 634   // Fullscreen window fills the whole display.
 635   EXPECT_EQ(Shell::GetScreen()->GetDisplayNearestWindow(
 636                 window.get()).bounds().ToString(),
 637             window->bounds().ToString());
 638   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
 639   EXPECT_EQ(bounds.ToString(), window->bounds().ToString());
 640 }
 641
 642 // Tests fullscreen window size during root window resize.
 643 TEST_F(WorkspaceLayoutManagerSoloTest, FullscreenRootWindowResize) {
 644   gfx::Rect bounds(100, 100, 200, 200);
 645   scoped_ptr<aura::Window> window(CreateTestWindow(bounds));
 646   // Fullscreen window fills the whole display.
 647   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_FULLSCREEN);
 648   EXPECT_EQ(Shell::GetScreen()->GetDisplayNearestWindow(
 649                 window.get()).bounds().ToString(),
 650             window->bounds().ToString());
 651   // Enlarge the root window.  We should still match the display size.
 652   UpdateDisplay("800x600");
 653   EXPECT_EQ(Shell::GetScreen()->GetDisplayNearestWindow(
 654                 window.get()).bounds().ToString(),
 655             window->bounds().ToString());
 656 }
 657
 658 // Tests that when the screen gets smaller the windows aren't bigger than
 659 // the screen.
 660 TEST_F(WorkspaceLayoutManagerSoloTest, RootWindowResizeShrinksWindows) {
 661   scoped_ptr<aura::Window> window(
 662       CreateTestWindow(gfx::Rect(10, 20, 500, 400)));
 663   gfx::Rect work_area = Shell::GetScreen()->GetDisplayNearestWindow(
 664       window.get()).work_area();
 665   // Invariant: Window is smaller than work area.
 666   EXPECT_LE(window->bounds().width(), work_area.width());
 667   EXPECT_LE(window->bounds().height(), work_area.height());
 668
 669   // Make the root window narrower than our window.
 670   UpdateDisplay("300x400");
 671   work_area = Shell::GetScreen()->GetDisplayNearestWindow(
 672       window.get()).work_area();
 673   EXPECT_LE(window->bounds().width(), work_area.width());
 674   EXPECT_LE(window->bounds().height(), work_area.height());
 675
 676   // Make the root window shorter than our window.
 677   UpdateDisplay("300x200");
 678   work_area = Shell::GetScreen()->GetDisplayNearestWindow(
 679       window.get()).work_area();
 680   EXPECT_LE(window->bounds().width(), work_area.width());
 681   EXPECT_LE(window->bounds().height(), work_area.height());
 682
 683   // Enlarging the root window does not change the window bounds.
 684   gfx::Rect old_bounds = window->bounds();
 685   UpdateDisplay("800x600");
 686   EXPECT_EQ(old_bounds.width(), window->bounds().width());
 687   EXPECT_EQ(old_bounds.height(), window->bounds().height());
 688 }
 689
 690 // Verifies maximizing sets the restore bounds, and restoring
 691 // restores the bounds.
 692 TEST_F(WorkspaceLayoutManagerSoloTest, MaximizeSetsRestoreBounds) {
 693   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(10, 20, 30, 40)));
 694   wm::WindowState* window_state = wm::GetWindowState(window.get());
 695
 696   // Maximize it, which will keep the previous restore bounds.
 697   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
 698   EXPECT_EQ("10,20 30x40", window_state->GetRestoreBoundsInParent().ToString());
 699
 700   // Restore it, which should restore bounds and reset restore bounds.
 701   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_NORMAL);
 702   EXPECT_EQ("10,20 30x40", window->bounds().ToString());
 703   EXPECT_FALSE(window_state->HasRestoreBounds());
 704 }
 705
 706 // Verifies maximizing keeps the restore bounds if set.
 707 TEST_F(WorkspaceLayoutManagerSoloTest, MaximizeResetsRestoreBounds) {
 708   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(1, 2, 3, 4)));
 709
 710   wm::WindowState* window_state = wm::GetWindowState(window.get());
 711   window_state->SetRestoreBoundsInParent(gfx::Rect(10, 11, 12, 13));
 712
 713   // Maximize it, which will keep the previous restore bounds.
 714   window->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
 715   EXPECT_EQ("10,11 12x13", window_state->GetRestoreBoundsInParent().ToString());
 716 }
 717
 718 // Verifies that the restore bounds do not get reset when restoring to a
 719 // maximzied state from a minimized state.
 720 TEST_F(WorkspaceLayoutManagerSoloTest,
 721        BoundsAfterRestoringToMaximizeFromMinimize) {
 722   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(1, 2, 3, 4)));
 723   gfx::Rect bounds(10, 15, 25, 35);
 724   window->SetBounds(bounds);
 725
 726   wm::WindowState* window_state = wm::GetWindowState(window.get());
 727   // Maximize it, which should reset restore bounds.
 728   window_state->Maximize();
 729   EXPECT_EQ(bounds.ToString(),
 730             window_state->GetRestoreBoundsInParent().ToString());
 731   // Minimize the window. The restore bounds should not change.
 732   window_state->Minimize();
 733   EXPECT_EQ(bounds.ToString(),
 734             window_state->GetRestoreBoundsInParent().ToString());
 735
 736   // Show the window again. The window should be maximized, and the restore
 737   // bounds should not change.
 738   window->Show();
 739   EXPECT_EQ(bounds.ToString(),
 740             window_state->GetRestoreBoundsInParent().ToString());
 741   EXPECT_TRUE(window_state->IsMaximized());
 742
 743   window_state->Restore();
 744   EXPECT_EQ(bounds.ToString(), window->bounds().ToString());
 745 }
 746
 747 // Verify if the window is not resized during screen lock. See: crbug.com/173127
 748 TEST_F(WorkspaceLayoutManagerSoloTest, NotResizeWhenScreenIsLocked) {
 749   SetCanLockScreen(true);
 750   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(1, 2, 3, 4)));
 751   // window with AlwaysOnTop will be managed by BaseLayoutManager.
 752   window->SetProperty(aura::client::kAlwaysOnTopKey, true);
 753   window->Show();
 754
 755   ShelfLayoutManager* shelf = ShelfLayoutManager::ForShelf(window.get());
 756   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
 757
 758   window->SetBounds(ScreenUtil::GetMaximizedWindowBoundsInParent(window.get()));
 759   gfx::Rect window_bounds = window->bounds();
 760   EXPECT_EQ(
 761       ScreenUtil::GetMaximizedWindowBoundsInParent(window.get()).ToString(),
 762       window_bounds.ToString());
 763
 764   Shell::GetInstance()->session_state_delegate()->LockScreen();
 765   shelf->UpdateVisibilityState();
 766   EXPECT_NE(
 767       ScreenUtil::GetMaximizedWindowBoundsInParent(window.get()).ToString(),
 768       window_bounds.ToString());
 769
 770   Shell::GetInstance()->session_state_delegate()->UnlockScreen();
 771   shelf->UpdateVisibilityState();
 772   EXPECT_EQ(window_bounds.ToString(), window->bounds().ToString());
 773 }
 774
 775 // Following tests are written to test the backdrop functionality.
 776
 777 namespace {
 778
 779 class WorkspaceLayoutManagerBackdropTest : public test::AshTestBase {
 780  public:
 781   WorkspaceLayoutManagerBackdropTest() {}
 782   virtual ~WorkspaceLayoutManagerBackdropTest() {}
 783
 784   virtual void SetUp() OVERRIDE {
 785     test::AshTestBase::SetUp();
 786     UpdateDisplay("800x600");
 787     default_container_ = Shell::GetContainer(Shell::GetPrimaryRootWindow(),
 788                                              kShellWindowId_DefaultContainer);
 789     // We set the size to something smaller then the display to avoid resizing
 790     // issues with the shelf.
 791     default_container_->SetBounds(gfx::Rect(0, 0, 800, 500));
 792   }
 793
 794   aura::Window* CreateTestWindow(const gfx::Rect& bounds) {
 795     aura::Window* window = CreateTestWindowInShellWithBounds(bounds);
 796     return window;
 797   }
 798
 799   // Turn the top window back drop on / off.
 800   void ShowTopWindowBackdrop(bool show) {
 801     scoped_ptr<ash::WorkspaceLayoutManagerDelegate> backdrop;
 802     if (show) {
 803       backdrop.reset(new ash::WorkspaceBackdropDelegate(default_container_));
 804     }
 805     (static_cast<WorkspaceLayoutManager*>(default_container_->layout_manager()))
 806         ->SetMaximizeBackdropDelegate(backdrop.Pass());
 807     // Closing and / or opening can be a delayed operation.
 808     base::MessageLoop::current()->RunUntilIdle();
 809   }
 810
 811   // Return the default container.
 812   aura::Window* default_container() { return default_container_; }
 813
 814   // Return the order of windows (top most first) as they are in the default
 815   // container. If the window is visible it will be a big letter, otherwise a
 816   // small one. The backdrop will be an X and unknown windows will be shown as
 817   // '!'.
 818   std::string GetWindowOrderAsString(aura::Window* backdrop,
 819                                      aura::Window* wa,
 820                                      aura::Window* wb,
 821                                      aura::Window* wc) {
 822     std::string result;
 823     for (int i = static_cast<int>(default_container()->children().size()) - 1;
 824          i >= 0;
 825          --i) {
 826       if (!result.empty())
 827         result += ",";
 828       if (default_container()->children()[i] == wa)
 829         result += default_container()->children()[i]->IsVisible() ? "A" : "a";
 830       else if (default_container()->children()[i] == wb)
 831         result += default_container()->children()[i]->IsVisible() ? "B" : "b";
 832       else if (default_container()->children()[i] == wc)
 833         result += default_container()->children()[i]->IsVisible() ? "C" : "c";
 834       else if (default_container()->children()[i] == backdrop)
 835         result += default_container()->children()[i]->IsVisible() ? "X" : "x";
 836       else
 837         result += "!";
 838     }
 839     return result;
 840   }
 841
 842  private:
 843   // The default container.
 844   aura::Window* default_container_;
 845
 846   DISALLOW_COPY_AND_ASSIGN(WorkspaceLayoutManagerBackdropTest);
 847 };
 848
 849 }  // namespace
 850
 851 // Check that creating the BackDrop without destroying it does not lead into
 852 // a crash.
 853 TEST_F(WorkspaceLayoutManagerBackdropTest, BackdropCrashTest) {
 854   ShowTopWindowBackdrop(true);
 855 }
 856
 857 // Verify basic assumptions about the backdrop.
 858 TEST_F(WorkspaceLayoutManagerBackdropTest, BasicBackdropTests) {
 859   // Create a backdrop and see that there is one window (the backdrop) and
 860   // that the size is the same as the default container as well as that it is
 861   // not visible.
 862   ShowTopWindowBackdrop(true);
 863   ASSERT_EQ(1U, default_container()->children().size());
 864   EXPECT_FALSE(default_container()->children()[0]->IsVisible());
 865
 866   {
 867     // Add a window and make sure that the backdrop is the second child.
 868     scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(1, 2, 3, 4)));
 869     window->Show();
 870     ASSERT_EQ(2U, default_container()->children().size());
 871     EXPECT_TRUE(default_container()->children()[0]->IsVisible());
 872     EXPECT_TRUE(default_container()->children()[1]->IsVisible());
 873     EXPECT_EQ(window.get(), default_container()->children()[1]);
 874     EXPECT_EQ(default_container()->bounds().ToString(),
 875               default_container()->children()[0]->bounds().ToString());
 876   }
 877
 878   // With the window gone the backdrop should be invisible again.
 879   ASSERT_EQ(1U, default_container()->children().size());
 880   EXPECT_FALSE(default_container()->children()[0]->IsVisible());
 881
 882   // Destroying the Backdrop should empty the container.
 883   ShowTopWindowBackdrop(false);
 884   ASSERT_EQ(0U, default_container()->children().size());
 885 }
 886
 887 // Verify that the backdrop gets properly created and placed.
 888 TEST_F(WorkspaceLayoutManagerBackdropTest, VerifyBackdropAndItsStacking) {
 889   scoped_ptr<aura::Window> window1(CreateTestWindow(gfx::Rect(1, 2, 3, 4)));
 890   window1->Show();
 891
 892   // Get the default container and check that only a single window is in there.
 893   ASSERT_EQ(1U, default_container()->children().size());
 894   EXPECT_EQ(window1.get(), default_container()->children()[0]);
 895   EXPECT_EQ("A", GetWindowOrderAsString(NULL, window1.get(), NULL, NULL));
 896
 897   // Create 2 more windows and check that they are also in the container.
 898   scoped_ptr<aura::Window> window2(CreateTestWindow(gfx::Rect(10, 2, 3, 4)));
 899   scoped_ptr<aura::Window> window3(CreateTestWindow(gfx::Rect(20, 2, 3, 4)));
 900   window2->Show();
 901   window3->Show();
 902
 903   aura::Window* backdrop = NULL;
 904   EXPECT_EQ("C,B,A",
 905             GetWindowOrderAsString(backdrop, window1.get(), window2.get(),
 906                                    window3.get()));
 907
 908   // Turn on the backdrop mode and check that the window shows up where it
 909   // should be (second highest number).
 910   ShowTopWindowBackdrop(true);
 911   backdrop = default_container()->children()[2];
 912   EXPECT_EQ("C,X,B,A",
 913             GetWindowOrderAsString(backdrop, window1.get(), window2.get(),
 914                                    window3.get()));
 915
 916   // Switch the order of windows and check that it still remains in that
 917   // location.
 918   default_container()->StackChildAtTop(window2.get());
 919   EXPECT_EQ("B,X,C,A",
 920             GetWindowOrderAsString(backdrop, window1.get(), window2.get(),
 921                                    window3.get()));
 922
 923   // Make the top window invisible and check.
 924   window2.get()->Hide();
 925   EXPECT_EQ("b,C,X,A",
 926             GetWindowOrderAsString(backdrop, window1.get(), window2.get(),
 927                                    window3.get()));
 928   // Then delete window after window and see that everything is in order.
 929   window1.reset();
 930   EXPECT_EQ("b,C,X",
 931             GetWindowOrderAsString(backdrop, window1.get(), window2.get(),
 932                                    window3.get()));
 933   window3.reset();
 934   EXPECT_EQ("b,x",
 935             GetWindowOrderAsString(backdrop, window1.get(), window2.get(),
 936                                    window3.get()));
 937   ShowTopWindowBackdrop(false);
 938   EXPECT_EQ("b",
 939             GetWindowOrderAsString(NULL, window1.get(), window2.get(),
 940                                    window3.get()));
 941 }
 942
 943 }  // namespace ash