ash/wm/dock/docked_window_resizer_unittest.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ash/wm/dock/docked_window_resizer.h"
   6
   7 #include "ash/ash_switches.h"
   8 #include "ash/display/window_tree_host_manager.h"
   9 #include "ash/root_window_controller.h"
  10 #include "ash/screen_util.h"
  11 #include "ash/shelf/shelf.h"
  12 #include "ash/shelf/shelf_layout_manager.h"
  13 #include "ash/shelf/shelf_model.h"
  14 #include "ash/shelf/shelf_types.h"
  15 #include "ash/shelf/shelf_widget.h"
  16 #include "ash/shell.h"
  17 #include "ash/shell_window_ids.h"
  18 #include "ash/test/ash_test_base.h"
  19 #include "ash/test/cursor_manager_test_api.h"
  20 #include "ash/test/shell_test_api.h"
  21 #include "ash/test/test_shelf_delegate.h"
  22 #include "ash/wm/dock/docked_window_layout_manager.h"
  23 #include "ash/wm/drag_window_resizer.h"
  24 #include "ash/wm/panels/panel_layout_manager.h"
  25 #include "ash/wm/window_state.h"
  26 #include "ash/wm/window_util.h"
  27 #include "ash/wm/wm_event.h"
  28 #include "base/command_line.h"
  29 #include "ui/aura/client/aura_constants.h"
  30 #include "ui/aura/client/window_tree_client.h"
  31 #include "ui/aura/test/test_window_delegate.h"
  32 #include "ui/aura/window_event_dispatcher.h"
  33 #include "ui/base/hit_test.h"
  34 #include "ui/base/ui_base_types.h"
  35 #include "ui/events/test/event_generator.h"
  36 #include "ui/views/widget/widget.h"
  37 #include "ui/wm/core/coordinate_conversion.h"
  38 #include "ui/wm/core/window_util.h"
  39
  40 namespace ash {
  41
  42 class DockedWindowResizerTest
  43     : public test::AshTestBase,
  44       public testing::WithParamInterface<ui::wm::WindowType> {
  45  public:
  46   DockedWindowResizerTest() : model_(NULL), window_type_(GetParam()) {}
  47   virtual ~DockedWindowResizerTest() {}
  48
  49   void SetUp() override {
  50     AshTestBase::SetUp();
  51     UpdateDisplay("600x400");
  52     test::ShellTestApi test_api(Shell::GetInstance());
  53     model_ = test_api.shelf_model();
  54   }
  55
  56   void TearDown() override { AshTestBase::TearDown(); }
  57
  58  protected:
  59   enum DockedEdge {
  60     DOCKED_EDGE_NONE,
  61     DOCKED_EDGE_LEFT,
  62     DOCKED_EDGE_RIGHT,
  63   };
  64
  65   int ideal_width() const { return DockedWindowLayoutManager::kIdealWidth; }
  66   int min_dock_gap() const { return DockedWindowLayoutManager::kMinDockGap; }
  67   int max_width() const { return DockedWindowLayoutManager::kMaxDockWidth; }
  68   int docked_width(const DockedWindowLayoutManager* layout_manager) const {
  69     return layout_manager->docked_width_;
  70   }
  71   int docked_alignment(const DockedWindowLayoutManager* layout_manager) const {
  72     return layout_manager->alignment_;
  73   }
  74   aura::Window* CreateTestWindow(const gfx::Rect& bounds) {
  75     aura::Window* window = CreateTestWindowInShellWithDelegateAndType(
  76         &delegate_,
  77         window_type_,
  78         0,
  79         bounds);
  80     if (window_type_ == ui::wm::WINDOW_TYPE_PANEL) {
  81       test::TestShelfDelegate* shelf_delegate =
  82           test::TestShelfDelegate::instance();
  83       shelf_delegate->AddShelfItem(window);
  84       PanelLayoutManager* manager = static_cast<PanelLayoutManager*>(
  85           Shell::GetContainer(window->GetRootWindow(),
  86                               kShellWindowId_PanelContainer)->layout_manager());
  87       manager->Relayout();
  88     }
  89     return window;
  90   }
  91
  92   aura::Window* CreateModalWindow(const gfx::Rect& bounds) {
  93     aura::Window* window = new aura::Window(&delegate_);
  94     window->SetProperty(aura::client::kModalKey, ui::MODAL_TYPE_SYSTEM);
  95     window->SetType(ui::wm::WINDOW_TYPE_NORMAL);
  96     window->Init(ui::LAYER_TEXTURED);
  97     window->Show();
  98
  99     if (bounds.IsEmpty()) {
 100       ParentWindowInPrimaryRootWindow(window);
 101     } else {
 102       gfx::Display display =
 103           Shell::GetScreen()->GetDisplayMatching(bounds);
 104       aura::Window* root = ash::Shell::GetInstance()
 105                                ->window_tree_host_manager()
 106                                ->GetRootWindowForDisplayId(display.id());
 107       gfx::Point origin = bounds.origin();
 108       ::wm::ConvertPointFromScreen(root, &origin);
 109       window->SetBounds(gfx::Rect(origin, bounds.size()));
 110       aura::client::ParentWindowWithContext(window, root, bounds);
 111     }
 112     return window;
 113   }
 114
 115   static WindowResizer* CreateSomeWindowResizer(
 116       aura::Window* window,
 117       const gfx::Point& point_in_parent,
 118       int window_component) {
 119     return CreateWindowResizer(
 120         window,
 121         point_in_parent,
 122         window_component,
 123         aura::client::WINDOW_MOVE_SOURCE_MOUSE).release();
 124   }
 125
 126   void DragStart(aura::Window* window) {
 127     DragStartAtOffsetFromWindowOrigin(window, 0, 0);
 128   }
 129
 130   void DragStartAtOffsetFromWindowOrigin(aura::Window* window,
 131                                          int dx, int dy) {
 132     initial_location_in_parent_ =
 133         window->bounds().origin() + gfx::Vector2d(dx, dy);
 134     resizer_.reset(CreateSomeWindowResizer(window,
 135                                            initial_location_in_parent_,
 136                                            HTCAPTION));
 137     ASSERT_TRUE(resizer_.get());
 138   }
 139
 140   void ResizeStartAtOffsetFromWindowOrigin(aura::Window* window,
 141                                            int dx, int dy,
 142                                            int window_component) {
 143     initial_location_in_parent_ =
 144         window->bounds().origin() + gfx::Vector2d(dx, dy);
 145     resizer_.reset(CreateSomeWindowResizer(window,
 146                                            initial_location_in_parent_,
 147                                            window_component));
 148     ASSERT_TRUE(resizer_.get());
 149   }
 150
 151   void DragMove(int dx, int dy) {
 152     resizer_->Drag(initial_location_in_parent_ + gfx::Vector2d(dx, dy), 0);
 153   }
 154
 155   void DragEnd() {
 156     resizer_->CompleteDrag();
 157     resizer_.reset();
 158   }
 159
 160   void DragRevert() {
 161     resizer_->RevertDrag();
 162     resizer_.reset();
 163   }
 164
 165   // Panels are parented by panel container during drags.
 166   // All other windows that are tested here are parented by dock container
 167   // during drags.
 168   int CorrectContainerIdDuringDrag() {
 169     if (window_type_ == ui::wm::WINDOW_TYPE_PANEL)
 170       return kShellWindowId_PanelContainer;
 171     return kShellWindowId_DockedContainer;
 172   }
 173
 174   // Test dragging the window vertically (to detach if it is a panel) and then
 175   // horizontally to the edge with an added offset from the edge of |dx|.
 176   void DragRelativeToEdge(DockedEdge edge,
 177                           aura::Window* window,
 178                           int dx) {
 179     DragVerticallyAndRelativeToEdge(
 180         edge,
 181         window,
 182         dx,
 183         window_type_ == ui::wm::WINDOW_TYPE_PANEL ? -100 : 20,
 184         25,
 185         5);
 186   }
 187
 188   void DragToVerticalPositionAndToEdge(DockedEdge edge,
 189                                        aura::Window* window,
 190                                        int y) {
 191     DragToVerticalPositionRelativeToEdge(edge, window, 0, y);
 192   }
 193
 194   void DragToVerticalPositionRelativeToEdge(DockedEdge edge,
 195                                             aura::Window* window,
 196                                             int dx,
 197                                             int y) {
 198     gfx::Rect initial_bounds = window->GetBoundsInScreen();
 199     DragVerticallyAndRelativeToEdge(edge,
 200                                     window,
 201                                     dx, y - initial_bounds.y(),
 202                                     25, 5);
 203   }
 204
 205   // Detach if our window is a panel, then drag it vertically by |dy| and
 206   // horizontally to the edge with an added offset from the edge of |dx|.
 207   void DragVerticallyAndRelativeToEdge(DockedEdge edge,
 208                                        aura::Window* window,
 209                                        int dx, int dy,
 210                                        int grab_x, int grab_y) {
 211     gfx::Rect initial_bounds = window->GetBoundsInScreen();
 212     // avoid snap by clicking away from the border
 213     ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(window,
 214                                                               grab_x, grab_y));
 215
 216     gfx::Rect work_area =
 217         Shell::GetScreen()->GetDisplayNearestWindow(window).work_area();
 218     gfx::Point initial_location_in_screen = initial_location_in_parent_;
 219     ::wm::ConvertPointToScreen(window->parent(), &initial_location_in_screen);
 220     // Drag the window left or right to the edge (or almost to it).
 221     if (edge == DOCKED_EDGE_LEFT)
 222       dx += work_area.x() - initial_location_in_screen.x();
 223     else if (edge == DOCKED_EDGE_RIGHT)
 224       dx += work_area.right() - 1 - initial_location_in_screen.x();
 225     DragMove(dx, dy);
 226     EXPECT_EQ(CorrectContainerIdDuringDrag(), window->parent()->id());
 227     // Release the mouse and the panel should be attached to the dock.
 228     DragEnd();
 229
 230     // x-coordinate can get adjusted by snapping or sticking.
 231     // y-coordinate could be changed by possible automatic layout if docked.
 232     if (window->parent()->id() != kShellWindowId_DockedContainer &&
 233         !wm::GetWindowState(window)->HasRestoreBounds()) {
 234       EXPECT_EQ(initial_bounds.y() + dy, window->GetBoundsInScreen().y());
 235     }
 236   }
 237
 238   bool test_panels() const { return window_type_ == ui::wm::WINDOW_TYPE_PANEL; }
 239
 240   aura::test::TestWindowDelegate* delegate() {
 241     return &delegate_;
 242   }
 243
 244   const gfx::Point& initial_location_in_parent() const {
 245     return initial_location_in_parent_;
 246   }
 247
 248  private:
 249   scoped_ptr<WindowResizer> resizer_;
 250   ShelfModel* model_;
 251   ui::wm::WindowType window_type_;
 252   aura::test::TestWindowDelegate delegate_;
 253
 254   // Location at start of the drag in |window->parent()|'s coordinates.
 255   gfx::Point initial_location_in_parent_;
 256
 257   DISALLOW_COPY_AND_ASSIGN(DockedWindowResizerTest);
 258 };
 259
 260 // Verifies a window can be dragged and attached to the dock.
 261 TEST_P(DockedWindowResizerTest, AttachRightPrecise) {
 262   if (!SupportsHostWindowResize())
 263     return;
 264
 265   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 266   DragRelativeToEdge(DOCKED_EDGE_RIGHT, window.get(), 0);
 267
 268   // The window should be docked at the right edge.
 269   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 270             window->GetBoundsInScreen().right());
 271   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 272 }
 273
 274 // Verifies a window can be dragged and attached to the dock
 275 // even if pointer overshoots the screen edge by a few pixels (sticky edge)
 276 TEST_P(DockedWindowResizerTest, AttachRightOvershoot) {
 277   if (!SupportsHostWindowResize())
 278     return;
 279
 280   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 281   DragRelativeToEdge(DOCKED_EDGE_RIGHT, window.get(), +4);
 282
 283   // The window should be docked at the right edge.
 284   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 285             window->GetBoundsInScreen().right());
 286   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 287 }
 288
 289 // Verifies a window can be dragged and then if a pointer is not quite reaching
 290 // the screen edge the window does not get docked and stays in the desktop.
 291 TEST_P(DockedWindowResizerTest, AttachRightUndershoot) {
 292   if (!SupportsHostWindowResize())
 293     return;
 294
 295   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 296   // Grabbing at 70px ensures that at least 30% of the window is in screen,
 297   // otherwise the window would be adjusted in
 298   // WorkspaceLayoutManager::AdjustWindowBoundsWhenAdded.
 299   const int kGrabOffsetX = 70;
 300   const int kUndershootBy = 1;
 301   DragVerticallyAndRelativeToEdge(DOCKED_EDGE_RIGHT,
 302                                   window.get(),
 303                                   -kUndershootBy, test_panels() ? -100 : 20,
 304                                   kGrabOffsetX, 5);
 305
 306   // The window right should be past the screen edge but not docked.
 307   // Initial touch point is 70px to the right which helps to find where the edge
 308   // should be.
 309   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right() +
 310             window->bounds().width() - kGrabOffsetX - kUndershootBy - 1,
 311             window->GetBoundsInScreen().right());
 312   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
 313 }
 314
 315 // Verifies a window can be dragged and attached to the dock.
 316 TEST_P(DockedWindowResizerTest, AttachLeftPrecise) {
 317   if (!SupportsHostWindowResize())
 318     return;
 319
 320   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 321   DragRelativeToEdge(DOCKED_EDGE_LEFT, window.get(), 0);
 322
 323   // The window should be docked at the left edge.
 324   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().x(),
 325             window->GetBoundsInScreen().x());
 326   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 327 }
 328
 329 // Verifies a window can be dragged and attached to the dock
 330 // even if pointer overshoots the screen edge by a few pixels (sticky edge)
 331 TEST_P(DockedWindowResizerTest, AttachLeftOvershoot) {
 332   if (!SupportsHostWindowResize())
 333     return;
 334
 335   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 336   DragRelativeToEdge(DOCKED_EDGE_LEFT, window.get(), -4);
 337
 338   // The window should be docked at the left edge.
 339   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().x(),
 340             window->GetBoundsInScreen().x());
 341   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 342 }
 343
 344 // Verifies a window can be dragged and then if a pointer is not quite reaching
 345 // the screen edge the window does not get docked and stays in the desktop.
 346 TEST_P(DockedWindowResizerTest, AttachLeftUndershoot) {
 347   if (!SupportsHostWindowResize())
 348     return;
 349
 350   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 351   gfx::Rect initial_bounds(window->bounds());
 352   DragRelativeToEdge(DOCKED_EDGE_LEFT, window.get(), 1);
 353
 354   // The window should be crossing the screen edge but not docked.
 355   int expected_x = initial_bounds.x() - initial_location_in_parent().x() + 1;
 356   EXPECT_EQ(expected_x, window->GetBoundsInScreen().x());
 357   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
 358 }
 359
 360 // Dock on the right side, change shelf alignment, check that windows move to
 361 // the opposite side.
 362 TEST_P(DockedWindowResizerTest, AttachRightChangeShelf) {
 363   if (!SupportsHostWindowResize())
 364     return;
 365
 366   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 367   DragRelativeToEdge(DOCKED_EDGE_RIGHT, window.get(), 0);
 368
 369   // The window should be docked at the right edge.
 370   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 371             window->GetBoundsInScreen().right());
 372   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 373
 374   // set launcher shelf to be aligned on the right
 375   ash::Shell* shell = ash::Shell::GetInstance();
 376   shell->SetShelfAlignment(SHELF_ALIGNMENT_RIGHT,
 377                            shell->GetPrimaryRootWindow());
 378   // The window should have moved and get attached to the left dock.
 379   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().x(),
 380             window->GetBoundsInScreen().x());
 381   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 382
 383   // set launcher shelf to be aligned on the left
 384   shell->SetShelfAlignment(SHELF_ALIGNMENT_LEFT,
 385                            shell->GetPrimaryRootWindow());
 386   // The window should have moved and get attached to the right edge.
 387   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 388             window->GetBoundsInScreen().right());
 389   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 390
 391   // set launcher shelf to be aligned at the bottom
 392   shell->SetShelfAlignment(SHELF_ALIGNMENT_BOTTOM,
 393                            shell->GetPrimaryRootWindow());
 394   // The window should stay in the right edge.
 395   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 396             window->GetBoundsInScreen().right());
 397   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 398 }
 399
 400 // Dock on the right side, try to undock, then drag more to really undock
 401 TEST_P(DockedWindowResizerTest, AttachTryDetach) {
 402   if (!SupportsHostWindowResize())
 403     return;
 404
 405   scoped_ptr<aura::Window> window(CreateTestWindow(
 406       gfx::Rect(0, 0, ideal_width() + 10, 201)));
 407   DragRelativeToEdge(DOCKED_EDGE_RIGHT, window.get(), 0);
 408
 409   // The window should be docked at the right edge.
 410   // Its width should shrink to ideal width.
 411   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 412             window->GetBoundsInScreen().right());
 413   EXPECT_EQ(ideal_width(), window->GetBoundsInScreen().width());
 414   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 415
 416   // Try to detach by dragging left less than kSnapToDockDistance.
 417   // The window should stay docked.
 418   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(
 419       window.get(), 10, 0));
 420   DragMove(-4, -10);
 421   // Release the mouse and the window should be still attached to the dock.
 422   DragEnd();
 423
 424   // The window should be still attached to the right edge.
 425   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 426             window->GetBoundsInScreen().right());
 427   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 428
 429   // Try to detach by dragging left by kSnapToDockDistance or more.
 430   // The window should get undocked.
 431   const int left_edge = window->bounds().x();
 432   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(
 433       window.get(), 10, 0));
 434   DragMove(-32, -10);
 435   // Release the mouse and the window should be no longer attached to the dock.
 436   DragEnd();
 437
 438   // The window should be floating on the desktop again and moved to the left.
 439   EXPECT_EQ(left_edge - 32, window->GetBoundsInScreen().x());
 440   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
 441 }
 442
 443 // Dock on the right side, and undock by dragging the right edge of the window
 444 // header. This test is useful because both the position of the dragged window
 445 // and the position of the mouse are used in determining whether a window should
 446 // be undocked.
 447 TEST_P(DockedWindowResizerTest, AttachTryDetachDragRightEdgeOfHeader) {
 448   if (!SupportsHostWindowResize())
 449     return;
 450
 451   scoped_ptr<aura::Window> window(CreateTestWindow(
 452       gfx::Rect(0, 0, ideal_width() + 10, 201)));
 453   DragRelativeToEdge(DOCKED_EDGE_RIGHT, window.get(), 0);
 454
 455   // The window should be docked at the right edge.
 456   // Its width should shrink to ideal width.
 457   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 458             window->GetBoundsInScreen().right());
 459   EXPECT_EQ(ideal_width(), window->GetBoundsInScreen().width());
 460   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 461
 462   // Try to detach by dragging left less than kSnapToDockDistance.
 463   // The window should stay docked.
 464   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(
 465       window.get(), ideal_width() - 10, 0));
 466   DragMove(-4, -10);
 467   // Release the mouse and the window should be still attached to the dock.
 468   DragEnd();
 469
 470   // The window should be still attached to the right edge.
 471   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 472             window->GetBoundsInScreen().right());
 473   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 474
 475   // Try to detach by dragging left by kSnapToDockDistance or more.
 476   // The window should get undocked.
 477   const int left_edge = window->bounds().x();
 478   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(
 479       window.get(), ideal_width() - 10, 0));
 480   DragMove(-32, -10);
 481   // Release the mouse and the window should be no longer attached to the dock.
 482   DragEnd();
 483
 484   // The window should be floating on the desktop again and moved to the left.
 485   EXPECT_EQ(left_edge - 32, window->GetBoundsInScreen().x());
 486   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
 487 }
 488
 489 // Minimize a docked window, then restore it and check that it is still docked.
 490 TEST_P(DockedWindowResizerTest, AttachMinimizeRestore) {
 491   if (!SupportsHostWindowResize())
 492     return;
 493
 494   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 495   DragRelativeToEdge(DOCKED_EDGE_RIGHT, window.get(), 0);
 496
 497   // The window should be docked at the right edge.
 498   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 499             window->GetBoundsInScreen().right());
 500   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 501
 502   wm::WindowState* window_state = wm::GetWindowState(window.get());
 503   // Minimize the window, it should be hidden.
 504   window_state->Minimize();
 505   RunAllPendingInMessageLoop();
 506   EXPECT_FALSE(window->IsVisible());
 507   EXPECT_TRUE(window_state->IsMinimized());
 508   // Restore the window; window should be visible.
 509   window_state->Restore();
 510   RunAllPendingInMessageLoop();
 511   EXPECT_TRUE(window->IsVisible());
 512   EXPECT_TRUE(window_state->IsDocked());
 513 }
 514
 515 // Maximize a docked window and check that it is maximized and no longer docked.
 516 TEST_P(DockedWindowResizerTest, AttachMaximize) {
 517   if (!SupportsHostWindowResize())
 518     return;
 519
 520   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 521   DragRelativeToEdge(DOCKED_EDGE_RIGHT, window.get(), 0);
 522
 523   // The window should be docked at the right edge.
 524   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 525             window->GetBoundsInScreen().right());
 526   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 527
 528   wm::WindowState* window_state = wm::GetWindowState(window.get());
 529   // Maximize the window, it should get undocked and maximized in a desktop.
 530   window_state->Maximize();
 531   RunAllPendingInMessageLoop();
 532   EXPECT_TRUE(window->IsVisible());
 533   EXPECT_TRUE(window_state->IsMaximized());
 534   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
 535 }
 536
 537 // Dock two windows, undock one, check that the other one is still docked.
 538 TEST_P(DockedWindowResizerTest, AttachTwoWindows) {
 539   if (!SupportsHostWindowResize())
 540     return;
 541   UpdateDisplay("600x600");
 542
 543   scoped_ptr<aura::Window> w1(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 544   scoped_ptr<aura::Window> w2(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 545   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
 546   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w2.get(), 50);
 547
 548   // Docking second window should not minimize the first.
 549   wm::WindowState* window_state1 = wm::GetWindowState(w1.get());
 550   EXPECT_FALSE(window_state1->IsMinimized());
 551
 552   // Both windows should be docked at the right edge.
 553   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
 554             w1->GetBoundsInScreen().right());
 555   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 556
 557   EXPECT_EQ(w2->GetRootWindow()->GetBoundsInScreen().right(),
 558             w2->GetBoundsInScreen().right());
 559   EXPECT_EQ(kShellWindowId_DockedContainer, w2->parent()->id());
 560
 561   // Detach by dragging left (should get undocked).
 562   const int left_edge = w2->bounds().x();
 563   ASSERT_NO_FATAL_FAILURE(DragStart(w2.get()));
 564   // Drag up as well to avoid attaching panels to launcher shelf.
 565   DragMove(-32, -100);
 566   // Release the mouse and the window should be no longer attached to the edge.
 567   DragEnd();
 568
 569   // The first window should be still docked.
 570   EXPECT_FALSE(window_state1->IsMinimized());
 571   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
 572             w1->GetBoundsInScreen().right());
 573   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 574
 575   // The window should be floating on the desktop again and moved to the left.
 576   EXPECT_EQ(left_edge - 32, w2->GetBoundsInScreen().x());
 577   EXPECT_EQ(kShellWindowId_DefaultContainer, w2->parent()->id());
 578 }
 579
 580 // Create two windows, dock one and change shelf to auto-hide.
 581 TEST_P(DockedWindowResizerTest, AttachOneAutoHideShelf) {
 582   if (!SupportsHostWindowResize())
 583     return;
 584
 585   scoped_ptr<aura::Window> w1(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 586   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
 587
 588   // w1 should be docked at the right edge.
 589   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
 590             w1->GetBoundsInScreen().right());
 591   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 592
 593   scoped_ptr<aura::Window> w2(CreateTestWindowInShellWithDelegateAndType(
 594       NULL, ui::wm::WINDOW_TYPE_NORMAL, 0, gfx::Rect(20, 20, 150, 20)));
 595   wm::GetWindowState(w2.get())->Maximize();
 596   EXPECT_EQ(kShellWindowId_DefaultContainer, w2->parent()->id());
 597   EXPECT_TRUE(wm::GetWindowState(w2.get())->IsMaximized());
 598
 599   gfx::Rect work_area =
 600       Shell::GetScreen()->GetDisplayNearestWindow(w1.get()).work_area();
 601   DockedWindowLayoutManager* manager =
 602       static_cast<DockedWindowLayoutManager*>(w1->parent()->layout_manager());
 603
 604   // Docked window should be centered vertically in the work area.
 605   EXPECT_EQ(work_area.CenterPoint().y(), w1->bounds().CenterPoint().y());
 606   // Docked background should extend to the bottom of work area.
 607   EXPECT_EQ(work_area.bottom(), manager->docked_bounds().bottom());
 608
 609   // set launcher shelf to be aligned on the right
 610   ash::Shell* shell = ash::Shell::GetInstance();
 611   shell->SetShelfAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS,
 612                                   shell->GetPrimaryRootWindow());
 613   work_area =
 614         Shell::GetScreen()->GetDisplayNearestWindow(w1.get()).work_area();
 615   // Docked window should be centered vertically in the work area.
 616   EXPECT_EQ(work_area.CenterPoint().y(), w1->bounds().CenterPoint().y());
 617   // Docked background should extend to the bottom of work area.
 618   EXPECT_EQ(work_area.bottom(), manager->docked_bounds().bottom());
 619 }
 620
 621 // Dock one window, try to dock another window on the opposite side (should not
 622 // dock).
 623 TEST_P(DockedWindowResizerTest, AttachOnTwoSides) {
 624   if (!SupportsHostWindowResize())
 625     return;
 626
 627   scoped_ptr<aura::Window> w1(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 628   scoped_ptr<aura::Window> w2(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 629   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
 630   gfx::Rect initial_bounds(w2->bounds());
 631   DragToVerticalPositionAndToEdge(DOCKED_EDGE_LEFT, w2.get(), 50);
 632
 633   // The first window should be docked at the right edge.
 634   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
 635             w1->GetBoundsInScreen().right());
 636   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 637
 638   // The second window should be near the left edge but not snapped.
 639   // Normal window will get side-maximized while panels will not.
 640   int expected_x = test_panels() ?
 641       (initial_bounds.x() - initial_location_in_parent().x()) : 0;
 642   EXPECT_EQ(expected_x, w2->GetBoundsInScreen().x());
 643   EXPECT_EQ(kShellWindowId_DefaultContainer, w2->parent()->id());
 644 }
 645
 646 // Tests that reverting a drag restores docked state if a window was docked.
 647 TEST_P(DockedWindowResizerTest, RevertDragRestoresAttachment) {
 648   if (!SupportsHostWindowResize())
 649     return;
 650
 651   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 652   DragRelativeToEdge(DOCKED_EDGE_RIGHT, window.get(), 0);
 653
 654   // The window should be docked at the right edge.
 655   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 656             window->GetBoundsInScreen().right());
 657   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 658
 659   // Drag the window out but revert the drag
 660   ASSERT_NO_FATAL_FAILURE(DragStart(window.get()));
 661   DragMove(-50, 0);
 662   DragRevert();
 663   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 664
 665   // Detach window.
 666   ASSERT_NO_FATAL_FAILURE(DragStart(window.get()));
 667   DragMove(-50, 0);
 668   DragEnd();
 669   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
 670 }
 671
 672 // Tests that reverting drag restores undocked state if a window was not docked.
 673 TEST_P(DockedWindowResizerTest, RevertDockedDragRevertsAttachment) {
 674   if (!SupportsHostWindowResize())
 675     return;
 676   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 677   aura::Window* dock_container = Shell::GetContainer(
 678       window->GetRootWindow(),
 679       kShellWindowId_DockedContainer);
 680   DockedWindowLayoutManager* manager =
 681       static_cast<DockedWindowLayoutManager*>(dock_container->layout_manager());
 682   int previous_container_id = window->parent()->id();
 683   // Drag the window out but revert the drag
 684   ASSERT_NO_FATAL_FAILURE(DragStart(window.get()));
 685   DragMove(-50 - window->bounds().x(), 50 - window->bounds().y());
 686   EXPECT_EQ(CorrectContainerIdDuringDrag(), window->parent()->id());
 687   DragRevert();
 688   EXPECT_EQ(previous_container_id, window->parent()->id());
 689   EXPECT_EQ(DOCKED_ALIGNMENT_NONE, docked_alignment(manager));
 690
 691   // Drag a window to the left so that it overlaps the screen edge.
 692   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(
 693       window.get(),
 694       window->bounds().width()/2 + 10,
 695       0));
 696   DragMove(-50 - window->bounds().x(), 50 - window->bounds().y());
 697   DragEnd();
 698   // The window now overlaps the left screen edge but is not docked.
 699   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
 700   EXPECT_EQ(DOCKED_ALIGNMENT_NONE, docked_alignment(manager));
 701   EXPECT_LT(window->bounds().x(), 0);
 702   EXPECT_GT(window->bounds().right(), 0);
 703
 704   // Drag the window further left and revert the drag.
 705   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(
 706       window.get(),
 707       window->bounds().width()/2 + 10,
 708       0));
 709   DragMove(-10, 10);
 710   DragRevert();
 711   // The window should be in default container and not docked.
 712   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
 713   // Docked area alignment should be cleared.
 714   EXPECT_EQ(DOCKED_ALIGNMENT_NONE, docked_alignment(manager));
 715 }
 716
 717 // Move a docked window to the second display
 718 TEST_P(DockedWindowResizerTest, DragAcrossDisplays) {
 719   if (!SupportsMultipleDisplays())
 720     return;
 721
 722   UpdateDisplay("800x800,800x800");
 723   aura::Window::Windows root_windows = Shell::GetAllRootWindows();
 724   EXPECT_EQ(2, static_cast<int>(root_windows.size()));
 725   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 726   gfx::Rect initial_bounds = window->GetBoundsInScreen();
 727   EXPECT_EQ(root_windows[0], window->GetRootWindow());
 728
 729   DragRelativeToEdge(DOCKED_EDGE_RIGHT, window.get(), 0);
 730   // The window should be docked at the right edge.
 731   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 732             window->GetBoundsInScreen().right());
 733   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 734
 735   // Try dragging to the right - enough to get it peeking at the other screen
 736   // but not enough to land in the other screen.
 737   // The window should stay on the left screen.
 738   ASSERT_NO_FATAL_FAILURE(DragStart(window.get()));
 739   DragMove(100, 0);
 740   EXPECT_EQ(CorrectContainerIdDuringDrag(), window->parent()->id());
 741   DragEnd();
 742   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
 743             window->GetBoundsInScreen().right());
 744   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
 745   EXPECT_EQ(root_windows[0], window->GetRootWindow());
 746
 747   // Undock and move to the right - enough to get the mouse pointer past the
 748   // edge of the screen and into the second screen. The window should now be
 749   // in the second screen and not docked.
 750   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(
 751       window.get(),
 752       window->bounds().width()/2 + 10,
 753       0));
 754   DragMove(window->bounds().width()/2 - 5, 0);
 755   EXPECT_EQ(CorrectContainerIdDuringDrag(), window->parent()->id());
 756   DragEnd();
 757   EXPECT_NE(window->GetRootWindow()->GetBoundsInScreen().right(),
 758             window->GetBoundsInScreen().right());
 759   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
 760   EXPECT_EQ(root_windows[1], window->GetRootWindow());
 761
 762   // Keep dragging it to the right until its left edge touches the screen edge.
 763   // The window should now be in the second screen and not docked.
 764   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(
 765       window.get(),
 766       window->bounds().width()/2 + 10,
 767       0));
 768   DragMove(window->GetRootWindow()->GetBoundsInScreen().x() -
 769            window->GetBoundsInScreen().x(),
 770            0);
 771   EXPECT_EQ(CorrectContainerIdDuringDrag(), window->parent()->id());
 772   DragEnd();
 773   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().x(),
 774             window->GetBoundsInScreen().x());
 775   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
 776   EXPECT_EQ(root_windows[1], window->GetRootWindow());
 777 }
 778
 779 // Dock two windows, undock one.
 780 // Test the docked windows area size and default container resizing.
 781 TEST_P(DockedWindowResizerTest, AttachTwoWindowsDetachOne) {
 782   if (!SupportsHostWindowResize())
 783     return;
 784   UpdateDisplay("600x600");
 785
 786   scoped_ptr<aura::Window> w1(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 787   scoped_ptr<aura::Window> w2(CreateTestWindow(gfx::Rect(0, 0, 210, 201)));
 788   // Work area should cover the whole screen.
 789   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w2.get()).width(),
 790             ScreenUtil::GetDisplayWorkAreaBoundsInParent(w2.get()).width());
 791
 792   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
 793   // A window should be docked at the right edge.
 794   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
 795             w1->GetBoundsInScreen().right());
 796   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 797   DockedWindowLayoutManager* manager =
 798       static_cast<DockedWindowLayoutManager*>(w1->parent()->layout_manager());
 799   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
 800   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
 801
 802   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w2.get(), 100);
 803   // Both windows should now be docked at the right edge.
 804   EXPECT_EQ(w2->GetRootWindow()->GetBoundsInScreen().right(),
 805             w2->GetBoundsInScreen().right());
 806   EXPECT_EQ(kShellWindowId_DockedContainer, w2->parent()->id());
 807   // Dock width should be set to a wider window.
 808   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
 809   EXPECT_EQ(std::max(w1->bounds().width(), w2->bounds().width()),
 810             docked_width(manager));
 811
 812   // Try to detach by dragging left a bit (should not get undocked).
 813   // This would normally detach a single docked window but since we have another
 814   // window and the mouse pointer does not leave the dock area the window
 815   // should stay docked.
 816   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(w2.get(), 60, 0));
 817   // Drag up as well as left to avoid attaching panels to launcher shelf.
 818   DragMove(-40, -40);
 819   // Release the mouse and the window should be still attached to the edge.
 820   DragEnd();
 821
 822   // The first window should be still docked.
 823   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
 824             w1->GetBoundsInScreen().right());
 825   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 826
 827   // The second window should be still docked.
 828   EXPECT_EQ(w2->GetRootWindow()->GetBoundsInScreen().right(),
 829             w2->GetBoundsInScreen().right());
 830   EXPECT_EQ(kShellWindowId_DockedContainer, w2->parent()->id());
 831
 832   // Detach by dragging left more (should get undocked).
 833   const int left_edge = w2->bounds().x();
 834   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(
 835       w2.get(),
 836       w2->bounds().width()/2 + 10,
 837       0));
 838   // Drag up as well to avoid attaching panels to launcher shelf.
 839   const int drag_x = -(w2->bounds().width()/2 + 20);
 840   DragMove(drag_x, -100);
 841   // Release the mouse and the window should be no longer attached to the edge.
 842   DragEnd();
 843
 844   // The second window should be floating on the desktop again.
 845   EXPECT_EQ(left_edge + drag_x, w2->bounds().x());
 846   EXPECT_EQ(kShellWindowId_DefaultContainer, w2->parent()->id());
 847   // Dock width should be set to remaining single docked window.
 848   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 849   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
 850   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
 851 }
 852
 853 // Dock one of the windows. Maximize other testing desktop resizing.
 854 TEST_P(DockedWindowResizerTest, AttachWindowMaximizeOther) {
 855   if (!SupportsHostWindowResize())
 856     return;
 857
 858   scoped_ptr<aura::Window> w1(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 859   scoped_ptr<aura::Window> w2(CreateTestWindow(gfx::Rect(0, 0, 210, 201)));
 860   // Work area should cover the whole screen.
 861   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w2.get()).width(),
 862             ScreenUtil::GetDisplayWorkAreaBoundsInParent(w2.get()).width());
 863
 864   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
 865   // A window should be docked at the right edge.
 866   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
 867             w1->GetBoundsInScreen().right());
 868   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 869   DockedWindowLayoutManager* manager =
 870       static_cast<DockedWindowLayoutManager*>(w1->parent()->layout_manager());
 871   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
 872   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
 873
 874   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(w2.get(), 25, 5));
 875   DragMove(w2->GetRootWindow()->bounds().width()
 876            -w2->bounds().width()
 877            -(w2->bounds().width()/2 + 20)
 878            -w2->bounds().x(),
 879            50 - w2->bounds().y());
 880   DragEnd();
 881   // The first window should be still docked.
 882   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
 883             w1->GetBoundsInScreen().right());
 884   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 885
 886   // The second window should be floating on the desktop.
 887   EXPECT_EQ(w2->GetRootWindow()->GetBoundsInScreen().right() -
 888             (w2->bounds().width()/2 + 20),
 889             w2->GetBoundsInScreen().right());
 890   EXPECT_EQ(kShellWindowId_DefaultContainer, w2->parent()->id());
 891   // Dock width should be set to remaining single docked window.
 892   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 893   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
 894   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
 895   // Desktop work area should now shrink.
 896   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w2.get()).width() -
 897             docked_width(manager) - min_dock_gap(),
 898             ScreenUtil::GetDisplayWorkAreaBoundsInParent(w2.get()).width());
 899
 900   // Maximize the second window - Maximized area should be shrunk.
 901   const gfx::Rect restored_bounds = w2->bounds();
 902   wm::WindowState* w2_state = wm::GetWindowState(w2.get());
 903   w2_state->Maximize();
 904   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w2.get()).width() -
 905             docked_width(manager) - min_dock_gap(),
 906             w2->bounds().width());
 907
 908   // Detach the first window (this should require very little drag).
 909   ASSERT_NO_FATAL_FAILURE(DragStart(w1.get()));
 910   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
 911   DragMove(-35, 10);
 912   // Alignment is set to "NONE" when drag starts.
 913   EXPECT_EQ(DOCKED_ALIGNMENT_NONE, docked_alignment(manager));
 914   // Release the mouse and the window should be no longer attached to the edge.
 915   DragEnd();
 916   EXPECT_EQ(DOCKED_ALIGNMENT_NONE, docked_alignment(manager));
 917   // Dock should get shrunk and desktop should get expanded.
 918   EXPECT_EQ(kShellWindowId_DefaultContainer, w1->parent()->id());
 919   EXPECT_EQ(kShellWindowId_DefaultContainer, w2->parent()->id());
 920   EXPECT_EQ(DOCKED_ALIGNMENT_NONE, docked_alignment(manager));
 921   EXPECT_EQ(0, docked_width(manager));
 922   // The second window should now get resized and take up the whole screen.
 923   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w2.get()).width(),
 924             w2->bounds().width());
 925
 926   // Dock the first window to the left edge.
 927   // Click at an offset from origin to prevent snapping.
 928   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(w1.get(), 10, 0));
 929   // Drag left to get pointer touching the screen edge.
 930   DragMove(-w1->bounds().x() - 10, 0);
 931   // Alignment set to "NONE" during the drag of the window when none are docked.
 932   EXPECT_EQ(DOCKED_ALIGNMENT_NONE, docked_alignment(manager));
 933   // Release the mouse and the window should be now attached to the edge.
 934   DragEnd();
 935   // Dock should get expanded and desktop should get shrunk.
 936   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 937   EXPECT_EQ(DOCKED_ALIGNMENT_LEFT, docked_alignment(manager));
 938   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
 939   // Second window should still be in the desktop.
 940   EXPECT_EQ(kShellWindowId_DefaultContainer, w2->parent()->id());
 941   // Maximized window should be shrunk.
 942   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w2.get()).width() -
 943             docked_width(manager) - min_dock_gap(),
 944             w2->bounds().width());
 945
 946   // Unmaximize the second window.
 947   w2_state->Restore();
 948   // Its bounds should get restored.
 949   EXPECT_EQ(restored_bounds, w2->bounds());
 950 }
 951
 952 // Dock one window. Test the sticky behavior near screen or desktop edge.
 953 TEST_P(DockedWindowResizerTest, AttachOneTestSticky) {
 954   if (!SupportsHostWindowResize())
 955     return;
 956
 957   scoped_ptr<aura::Window> w1(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
 958   scoped_ptr<aura::Window> w2(CreateTestWindow(gfx::Rect(0, 0, 210, 201)));
 959   // Work area should cover the whole screen.
 960   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w2.get()).width(),
 961             ScreenUtil::GetDisplayWorkAreaBoundsInParent(w2.get()).width());
 962
 963   DragToVerticalPositionAndToEdge(DOCKED_EDGE_LEFT, w1.get(), 20);
 964   // A window should be docked at the left edge.
 965   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().x(),
 966             w1->GetBoundsInScreen().x());
 967   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 968   DockedWindowLayoutManager* manager =
 969       static_cast<DockedWindowLayoutManager*>(w1->parent()->layout_manager());
 970   // The first window should be docked.
 971   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().x(),
 972             w1->GetBoundsInScreen().x());
 973   // Dock width should be set to that of a single docked window.
 974   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 975   EXPECT_EQ(DOCKED_ALIGNMENT_LEFT, docked_alignment(manager));
 976   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
 977
 978   // Position second window in the desktop 20px to the right of the docked w1.
 979   DragToVerticalPositionRelativeToEdge(DOCKED_EDGE_LEFT,
 980                                        w2.get(),
 981                                        20 + 25 -
 982                                        min_dock_gap(),
 983                                        50);
 984   // The second window should be floating on the desktop.
 985   EXPECT_EQ(w2->GetRootWindow()->GetBoundsInScreen().x() +
 986                 (w1->bounds().right() + 20),
 987             w2->GetBoundsInScreen().x());
 988   EXPECT_EQ(kShellWindowId_DefaultContainer, w2->parent()->id());
 989   // Dock width should be set to that of a single docked window.
 990   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
 991   EXPECT_EQ(DOCKED_ALIGNMENT_LEFT, docked_alignment(manager));
 992   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
 993
 994   // Drag w2 almost to the dock, the mouse pointer not quite reaching the dock.
 995   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(w2.get(), 10, 0));
 996   DragMove(1 + docked_width(manager) - w2->bounds().x(), 0);
 997   // Alignment set to "LEFT" during the drag because dock has a window in it.
 998   EXPECT_EQ(DOCKED_ALIGNMENT_LEFT, docked_alignment(manager));
 999   // Release the mouse and the window should not be attached to the edge.
1000   DragEnd();
1001   // Dock should still have only one window in it.
1002   EXPECT_EQ(DOCKED_ALIGNMENT_LEFT, docked_alignment(manager));
1003   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1004   // The second window should still be in the desktop.
1005   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1006   EXPECT_EQ(kShellWindowId_DefaultContainer, w2->parent()->id());
1007
1008   // Drag w2 by a bit more - it should resist the drag (stuck edges)
1009   int start_x = w2->bounds().x();
1010   ASSERT_NO_FATAL_FAILURE(DragStartAtOffsetFromWindowOrigin(w2.get(), 100, 5));
1011   DragMove(-2, 0);
1012   // Window should not actually move.
1013   EXPECT_EQ(start_x, w2->bounds().x());
1014   // Alignment set to "LEFT" during the drag because dock has a window in it.
1015   EXPECT_EQ(DOCKED_ALIGNMENT_LEFT, docked_alignment(manager));
1016   // Release the mouse and the window should not be attached to the edge.
1017   DragEnd();
1018   // Window should be still where it was before the last drag started.
1019   EXPECT_EQ(start_x, w2->bounds().x());
1020   // Dock should still have only one window in it
1021   EXPECT_EQ(DOCKED_ALIGNMENT_LEFT, docked_alignment(manager));
1022   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1023   // The second window should still be in the desktop
1024   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1025   EXPECT_EQ(kShellWindowId_DefaultContainer, w2->parent()->id());
1026
1027   // Drag w2 by more than the stuck threshold and drop it into the dock.
1028   ASSERT_NO_FATAL_FAILURE(DragStart(w2.get()));
1029   DragMove(-100, 0);
1030   // Window should actually move.
1031   EXPECT_NE(start_x, w2->bounds().x());
1032   // Alignment set to "LEFT" during the drag because dock has a window in it.
1033   EXPECT_EQ(DOCKED_ALIGNMENT_LEFT, docked_alignment(manager));
1034   // Release the mouse and the window should be attached to the edge.
1035   DragEnd();
1036   // Both windows are docked now.
1037   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1038   EXPECT_EQ(kShellWindowId_DockedContainer, w2->parent()->id());
1039   // Dock should get expanded and desktop should get shrunk.
1040   EXPECT_EQ(DOCKED_ALIGNMENT_LEFT, docked_alignment(manager));
1041   EXPECT_EQ(std::max(w1->bounds().width(), w2->bounds().width()),
1042             docked_width(manager));
1043   // Desktop work area should now shrink by dock width.
1044   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w2.get()).width() -
1045             docked_width(manager) - min_dock_gap(),
1046             ScreenUtil::GetDisplayWorkAreaBoundsInParent(w2.get()).width());
1047 }
1048
1049 // Dock two windows, resize one.
1050 // Test the docked windows area size and remaining desktop resizing.
1051 TEST_P(DockedWindowResizerTest, ResizeOneOfTwoWindows) {
1052   if (!SupportsHostWindowResize())
1053     return;
1054
1055   // Wider display to start since panels are limited to half the display width.
1056   UpdateDisplay("1000x600");
1057   scoped_ptr<aura::Window> w1(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
1058   scoped_ptr<aura::Window> w2(CreateTestWindow(gfx::Rect(0, 0, 210, 201)));
1059   // Work area should cover the whole screen.
1060   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w2.get()).width(),
1061             ScreenUtil::GetDisplayWorkAreaBoundsInParent(w2.get()).width());
1062
1063   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
1064   // A window should be docked at the right edge.
1065   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
1066             w1->GetBoundsInScreen().right());
1067   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1068   DockedWindowLayoutManager* manager =
1069       static_cast<DockedWindowLayoutManager*>(w1->parent()->layout_manager());
1070   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1071   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1072
1073   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w2.get(), 100);
1074   // Both windows should now be docked at the right edge.
1075   EXPECT_EQ(w2->GetRootWindow()->GetBoundsInScreen().right(),
1076             w2->GetBoundsInScreen().right());
1077   EXPECT_EQ(kShellWindowId_DockedContainer, w2->parent()->id());
1078   // Dock width should be set to a wider window.
1079   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1080   EXPECT_EQ(std::max(w1->bounds().width(), w2->bounds().width()),
1081             docked_width(manager));
1082
1083   // Resize the first window left by a bit and test that the dock expands.
1084   int previous_width = w1->bounds().width();
1085   const int kResizeSpan1 = 30;
1086   ASSERT_NO_FATAL_FAILURE(ResizeStartAtOffsetFromWindowOrigin(w1.get(),
1087                                                               0, 20,
1088                                                               HTLEFT));
1089   DragMove(-kResizeSpan1, 0);
1090   // Alignment set to "RIGHT" during the drag because dock has a window in it.
1091   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1092   // Release the mouse and the window should be attached to the edge.
1093   DragEnd();
1094   // Dock should still have both windows in it.
1095   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1096   EXPECT_EQ(kShellWindowId_DockedContainer, w2->parent()->id());
1097   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1098   // w1 is now wider than before. The dock should expand and be as wide as w1.
1099   EXPECT_EQ(previous_width + kResizeSpan1, w1->bounds().width());
1100   // Both windows should get resized since they both don't have min/max size.
1101   EXPECT_EQ(w1->bounds().width(), w2->bounds().width());
1102   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1103   // Desktop work area should shrink.
1104   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w2.get()).width() -
1105             docked_width(manager) - min_dock_gap(),
1106             ScreenUtil::GetDisplayWorkAreaBoundsInParent(w2.get()).width());
1107
1108   // Resize the first window left by more than the dock maximum width.
1109   // This should cause the window width to be restricted by maximum dock width.
1110   previous_width = w1->bounds().width();
1111   const int kResizeSpan2 = 250;
1112   ASSERT_NO_FATAL_FAILURE(ResizeStartAtOffsetFromWindowOrigin(w1.get(),
1113                                                               0, 20,
1114                                                               HTLEFT));
1115   DragMove(-kResizeSpan2, 0);
1116   // Alignment set to "RIGHT" during the drag because dock has a window in it.
1117   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1118   // Release the mouse and the window should be attached to the edge.
1119   DragEnd();
1120   // Dock should still have both windows in it.
1121   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1122   EXPECT_EQ(kShellWindowId_DockedContainer, w2->parent()->id());
1123   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1124   // w1 is now as wide as the maximum dock width and the dock should get
1125   // resized to the maximum width.
1126   EXPECT_EQ(max_width(), w1->bounds().width());
1127   // Both windows should get resized since they both don't have min/max size.
1128   EXPECT_EQ(w1->bounds().width(), w2->bounds().width());
1129   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1130   // Desktop work area should shrink.
1131   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w2.get()).width() -
1132             docked_width(manager) - min_dock_gap(),
1133             ScreenUtil::GetDisplayWorkAreaBoundsInParent(w2.get()).width());
1134
1135   // Resize the first window right to get it completely inside the docked area.
1136   previous_width = w1->bounds().width();
1137   const int kResizeSpan3 = 100;
1138   ASSERT_NO_FATAL_FAILURE(ResizeStartAtOffsetFromWindowOrigin(w1.get(),
1139                                                               0, 20,
1140                                                               HTLEFT));
1141   DragMove(kResizeSpan3, 0);
1142   // Alignment set to "RIGHT" during the drag because dock has a window in it.
1143   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1144   // Release the mouse and the window should be docked.
1145   DragEnd();
1146   // Dock should still have both windows in it.
1147   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1148   EXPECT_EQ(kShellWindowId_DockedContainer, w2->parent()->id());
1149   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1150   // w1 should be narrower than before by the length of the drag.
1151   EXPECT_EQ(previous_width - kResizeSpan3, w1->bounds().width());
1152   // Both windows should get resized since they both don't have min/max size.
1153   EXPECT_EQ(w1->bounds().width(), w2->bounds().width());
1154   // The dock should be as wide as w1 or w2.
1155   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1156   // Desktop work area should shrink.
1157   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w2.get()).width() -
1158             docked_width(manager) - min_dock_gap(),
1159             ScreenUtil::GetDisplayWorkAreaBoundsInParent(w2.get()).width());
1160
1161   // Resize the first window left to be overhang again.
1162   previous_width = w1->bounds().width();
1163   ASSERT_NO_FATAL_FAILURE(ResizeStartAtOffsetFromWindowOrigin(w1.get(),
1164                                                               0, 20,
1165                                                               HTLEFT));
1166   DragMove(-kResizeSpan3, 0);
1167   DragEnd();
1168   EXPECT_EQ(previous_width + kResizeSpan3, w1->bounds().width());
1169   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1170   // Docked area should be as wide as possible (maximum) and same as w1.
1171   EXPECT_EQ(max_width(), docked_width(manager));
1172   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1173
1174   // Undock the first window. Docked area should shrink to its ideal size.
1175   ASSERT_NO_FATAL_FAILURE(DragStart(w1.get()));
1176   // Drag up as well to avoid attaching panels to launcher shelf.
1177   DragMove(-(400 - 210), -100);
1178   // Alignment set to "RIGHT" since we have another window docked.
1179   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1180   // Release the mouse and the window should be no longer attached to the edge.
1181   DragEnd();
1182   EXPECT_EQ(kShellWindowId_DefaultContainer, w1->parent()->id());
1183   // Dock should be as wide as w2 (and same as ideal width).
1184   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1185   EXPECT_EQ(ideal_width(), docked_width(manager));
1186   EXPECT_EQ(w2->bounds().width(), docked_width(manager));
1187   // The second window should be still docked.
1188   EXPECT_EQ(kShellWindowId_DockedContainer, w2->parent()->id());
1189   // Desktop work area should be inset.
1190   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w1.get()).width() -
1191             docked_width(manager) - min_dock_gap(),
1192             ScreenUtil::GetDisplayWorkAreaBoundsInParent(w1.get()).width());
1193 }
1194
1195 // Dock a window, resize it and test that undocking it restores the pre-docked
1196 // size.
1197 TEST_P(DockedWindowResizerTest, ResizingKeepsSize) {
1198   if (!SupportsHostWindowResize())
1199     return;
1200
1201   // Wider display to start since panels are limited to half the display width.
1202   UpdateDisplay("1000x600");
1203   const gfx::Size original_size(201, 201);
1204   scoped_ptr<aura::Window> w1(
1205       CreateTestWindow(gfx::Rect(gfx::Point(), original_size)));
1206
1207   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
1208   // Window should be docked at the right edge.
1209   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
1210             w1->GetBoundsInScreen().right());
1211   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1212   DockedWindowLayoutManager* manager =
1213       static_cast<DockedWindowLayoutManager*>(w1->parent()->layout_manager());
1214   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1215   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1216
1217   // Resize the window left by a bit and test that the dock expands.
1218   int previous_width = w1->bounds().width();
1219   const int kResizeSpan1 = 30;
1220   ASSERT_NO_FATAL_FAILURE(ResizeStartAtOffsetFromWindowOrigin(w1.get(),
1221                                                               0, 20,
1222                                                               HTLEFT));
1223   DragMove(-kResizeSpan1, 0);
1224   // Alignment stays "RIGHT" during the drag because the only docked window
1225   // is being resized.
1226   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1227   // Release the mouse and the window should be attached to the edge.
1228   DragEnd();
1229   // The window should get docked.
1230   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1231   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1232   // w1 is now wider and the dock should expand to be as wide as w1.
1233   EXPECT_EQ(previous_width + kResizeSpan1, w1->bounds().width());
1234   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1235
1236   // Undock by dragging almost to the left edge.
1237   DragToVerticalPositionRelativeToEdge(DOCKED_EDGE_LEFT, w1.get(), 100, 20);
1238   // Size should be restored to what it was originally.
1239   EXPECT_EQ(original_size.ToString(), w1->bounds().size().ToString());
1240
1241   // Dock again.
1242   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
1243   // Width should be reset to initial ideal width (25px).
1244   EXPECT_EQ(ideal_width(), w1->bounds().width());
1245
1246   // Undock again by dragging left.
1247   DragToVerticalPositionRelativeToEdge(DOCKED_EDGE_LEFT, w1.get(), 100, 20);
1248   // Size should be restored to what it was originally.
1249   EXPECT_EQ(original_size.ToString(), w1->bounds().size().ToString());
1250 }
1251
1252 // Dock a window, resize it and test that it stays docked.
1253 TEST_P(DockedWindowResizerTest, ResizingKeepsDockedState) {
1254   if (!SupportsHostWindowResize())
1255     return;
1256
1257   // Wider display to start since panels are limited to half the display width.
1258   UpdateDisplay("1000x600");
1259   scoped_ptr<aura::Window> w1(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
1260
1261   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
1262   // Window should be docked at the right edge.
1263   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
1264             w1->GetBoundsInScreen().right());
1265   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1266   DockedWindowLayoutManager* manager =
1267       static_cast<DockedWindowLayoutManager*>(w1->parent()->layout_manager());
1268   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1269   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1270
1271   // Resize the window left by a bit and test that the dock expands.
1272   int previous_width = w1->bounds().width();
1273   const int kResizeSpan1 = 30;
1274   ASSERT_NO_FATAL_FAILURE(ResizeStartAtOffsetFromWindowOrigin(
1275       w1.get(), 0, 20, HTLEFT));
1276   DragMove(-kResizeSpan1, 0);
1277   // Normally alignment would be reset to "NONE" during the drag when there is
1278   // only a single window docked and it is being dragged. However because that
1279   // window is being resized rather than moved the alignment is not changed.
1280   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1281   // Release the mouse and the window should be attached to the edge.
1282   DragEnd();
1283   // The window should stay docked.
1284   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1285   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1286   // w1 is now wider and the dock should expand to be as wide as w1.
1287   EXPECT_EQ(previous_width + kResizeSpan1, w1->bounds().width());
1288   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1289
1290   // Resize the window by dragging its right edge left a bit and test that the
1291   // window stays docked.
1292   previous_width = w1->bounds().width();
1293   const int kResizeSpan2 = 15;
1294   ASSERT_NO_FATAL_FAILURE(ResizeStartAtOffsetFromWindowOrigin(
1295       w1.get(), w1->bounds().width(), 20, HTRIGHT));
1296   DragMove(-kResizeSpan2, 0);
1297   // Alignment stays "RIGHT" during the drag because the window is being
1298   // resized rather than dragged.
1299   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1300   // Release the mouse and the window should be attached to the edge.
1301   DragEnd();
1302   // The window should stay docked.
1303   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1304   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1305   // The dock should stay as wide as w1 is now (a bit less than before).
1306   EXPECT_EQ(previous_width - kResizeSpan2, w1->bounds().width());
1307   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1308 }
1309
1310 // Dock two windows, resize one. Test the docked windows area size.
1311 TEST_P(DockedWindowResizerTest, ResizeTwoWindows) {
1312   if (!SupportsHostWindowResize())
1313     return;
1314
1315   // Wider display to start since panels are limited to half the display width.
1316   UpdateDisplay("1000x600");
1317   scoped_ptr<aura::Window> w1(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
1318   scoped_ptr<aura::Window> w2(CreateTestWindow(gfx::Rect(0, 0, 210, 201)));
1319
1320   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
1321   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w2.get(), 100);
1322   // Both windows should now be docked at the right edge.
1323   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1324   EXPECT_EQ(kShellWindowId_DockedContainer, w2->parent()->id());
1325   // Dock width should be set to ideal width.
1326   DockedWindowLayoutManager* manager =
1327       static_cast<DockedWindowLayoutManager*>(w1->parent()->layout_manager());
1328   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1329   EXPECT_EQ(ideal_width(), docked_width(manager));
1330
1331   // Resize the first window left by a bit and test that the dock expands.
1332   int previous_width = w1->bounds().width();
1333   const int kResizeSpan1 = 30;
1334   ASSERT_NO_FATAL_FAILURE(ResizeStartAtOffsetFromWindowOrigin(w1.get(),
1335                                                               0, 20,
1336                                                               HTLEFT));
1337   DragMove(-kResizeSpan1, 0);
1338   DragEnd();
1339   // w1 is now wider than before.
1340   EXPECT_EQ(previous_width + kResizeSpan1, w1->bounds().width());
1341   // Both windows should get resized since they both don't have min/max size.
1342   EXPECT_EQ(w1->bounds().width(), w2->bounds().width());
1343   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1344
1345   // Resize the second window left by a bit more and test that the dock expands.
1346   previous_width = w2->bounds().width();
1347   ASSERT_NO_FATAL_FAILURE(ResizeStartAtOffsetFromWindowOrigin(w2.get(),
1348                                                               0, 20,
1349                                                               HTLEFT));
1350   DragMove(-kResizeSpan1, 0);
1351   DragEnd();
1352   // w2 should get wider since it was resized by a user.
1353   EXPECT_EQ(previous_width + kResizeSpan1, w2->bounds().width());
1354   // w1 should stay as wide as w2 since both were flush with the dock edge.
1355   EXPECT_EQ(w2->bounds().width(), w1->bounds().width());
1356   EXPECT_EQ(w2->bounds().width(), docked_width(manager));
1357
1358   // Undock w2 and then dock it back.
1359   DragToVerticalPositionRelativeToEdge(DOCKED_EDGE_RIGHT, w2.get(), -400, 100);
1360   EXPECT_EQ(kShellWindowId_DefaultContainer, w2->parent()->id());
1361   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w2.get(), 100);
1362   EXPECT_EQ(kShellWindowId_DockedContainer, w2->parent()->id());
1363   // w2 should become same width as w1.
1364   EXPECT_EQ(w1->bounds().width(), w2->bounds().width());
1365   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1366
1367   // Make w1 even wider.
1368   ASSERT_NO_FATAL_FAILURE(ResizeStartAtOffsetFromWindowOrigin(w1.get(),
1369                                                               0, 20,
1370                                                               HTLEFT));
1371   DragMove(-kResizeSpan1, 0);
1372   DragEnd();
1373   // Making w1 wider should make both windows wider since w2 no longer remembers
1374   // user width.
1375   EXPECT_EQ(w1->bounds().width(), w2->bounds().width());
1376   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1377 }
1378
1379 // Tests that dragging a window down to shelf attaches a panel but does not
1380 // attach a regular window.
1381 TEST_P(DockedWindowResizerTest, DragToShelf) {
1382   if (!SupportsHostWindowResize())
1383     return;
1384
1385   scoped_ptr<aura::Window> w1(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
1386   // Work area should cover the whole screen.
1387   EXPECT_EQ(ScreenUtil::GetDisplayBoundsInParent(w1.get()).width(),
1388             ScreenUtil::GetDisplayWorkAreaBoundsInParent(w1.get()).width());
1389
1390   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
1391   // A window should be docked at the right edge.
1392   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
1393             w1->GetBoundsInScreen().right());
1394   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1395   DockedWindowLayoutManager* manager =
1396       static_cast<DockedWindowLayoutManager*>(w1->parent()->layout_manager());
1397   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1398   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1399
1400   // Detach and drag down to shelf.
1401   ASSERT_NO_FATAL_FAILURE(DragStart(w1.get()));
1402   DragMove(-40, 0);
1403   // Alignment is set to "NONE" when drag starts.
1404   EXPECT_EQ(DOCKED_ALIGNMENT_NONE, docked_alignment(manager));
1405   // Release the mouse and the window should be no longer attached to the edge.
1406   DragEnd();
1407   EXPECT_EQ(DOCKED_ALIGNMENT_NONE, docked_alignment(manager));
1408
1409   // Drag down almost to shelf. A panel will snap, a regular window won't.
1410   ShelfWidget* shelf = Shelf::ForPrimaryDisplay()->shelf_widget();
1411   const int shelf_y = shelf->GetWindowBoundsInScreen().y();
1412   const int kDistanceFromShelf = 10;
1413   ASSERT_NO_FATAL_FAILURE(DragStart(w1.get()));
1414   DragMove(0, -kDistanceFromShelf + shelf_y - w1->bounds().bottom());
1415   DragEnd();
1416   if (test_panels()) {
1417     // The panel should be touching the shelf and attached.
1418     EXPECT_EQ(shelf_y, w1->bounds().bottom());
1419     EXPECT_TRUE(wm::GetWindowState(w1.get())->panel_attached());
1420   } else {
1421     // The window should not be touching the shelf.
1422     EXPECT_EQ(shelf_y - kDistanceFromShelf, w1->bounds().bottom());
1423   }
1424 }
1425
1426 // Tests that docking and undocking a |window| with a transient child properly
1427 // maintains the parent of that transient child to be the same as the |window|.
1428 TEST_P(DockedWindowResizerTest, DragWindowWithTransientChild) {
1429   if (!SupportsHostWindowResize())
1430     return;
1431
1432   // Create a window with a transient child.
1433   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
1434   scoped_ptr<aura::Window> child(CreateTestWindowInShellWithDelegateAndType(
1435       NULL, ui::wm::WINDOW_TYPE_NORMAL, 0, gfx::Rect(20, 20, 150, 20)));
1436   ::wm::AddTransientChild(window.get(), child.get());
1437   if (window->parent() != child->parent())
1438     window->parent()->AddChild(child.get());
1439   EXPECT_EQ(window.get(), ::wm::GetTransientParent(child.get()));
1440
1441   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, window.get(), 20);
1442
1443   // A window should be docked at the right edge.
1444   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
1445   EXPECT_EQ(kShellWindowId_DockedContainer, child->parent()->id());
1446
1447   // Drag the child - it should move freely and stay where it is dragged.
1448   ASSERT_NO_FATAL_FAILURE(DragStart(child.get()));
1449   DragMove(500, 20);
1450   DragEnd();
1451   EXPECT_EQ(gfx::Point(20 + 500, 20 + 20).ToString(),
1452             child->GetBoundsInScreen().origin().ToString());
1453
1454   // Undock the window by dragging left.
1455   ASSERT_NO_FATAL_FAILURE(DragStart(window.get()));
1456   DragMove(-32, -10);
1457   DragEnd();
1458
1459   // The window should be undocked and the transient child should be reparented.
1460   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
1461   EXPECT_EQ(kShellWindowId_DefaultContainer, child->parent()->id());
1462   // The child should not have moved.
1463   EXPECT_EQ(gfx::Point(20 + 500, 20 + 20).ToString(),
1464             child->GetBoundsInScreen().origin().ToString());
1465 }
1466
1467 // Tests that reparenting windows during the drag does not affect system modal
1468 // windows that are transient children of the dragged windows.
1469 TEST_P(DockedWindowResizerTest, DragWindowWithModalTransientChild) {
1470   if (!SupportsHostWindowResize())
1471     return;
1472
1473   // Create a window.
1474   scoped_ptr<aura::Window> window(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
1475   gfx::Rect bounds(window->bounds());
1476
1477   // Start dragging the window.
1478   ASSERT_NO_FATAL_FAILURE(DragStart(window.get()));
1479   gfx::Vector2d move_vector(40, test_panels() ? -60 : 60);
1480   DragMove(move_vector.x(), move_vector.y());
1481   EXPECT_EQ(CorrectContainerIdDuringDrag(), window->parent()->id());
1482
1483   // While still dragging create a modal window and make it a transient child of
1484   // the |window|.
1485   scoped_ptr<aura::Window> child(CreateModalWindow(gfx::Rect(20, 20, 150, 20)));
1486   ::wm::AddTransientChild(window.get(), child.get());
1487   EXPECT_EQ(window.get(), ::wm::GetTransientParent(child.get()));
1488   EXPECT_EQ(kShellWindowId_SystemModalContainer, child->parent()->id());
1489
1490   // End the drag, the |window| should have moved (if it is a panel it will
1491   // no longer be attached to the shelf since we dragged it above).
1492   DragEnd();
1493   bounds.Offset(move_vector);
1494   EXPECT_EQ(bounds.ToString(), window->GetBoundsInScreen().ToString());
1495
1496   // The original |window| should be in the default container (not docked or
1497   // attached).
1498   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
1499   // The transient |child| should still be in system modal container.
1500   EXPECT_EQ(kShellWindowId_SystemModalContainer, child->parent()->id());
1501   // The |child| should not have moved.
1502   EXPECT_EQ(gfx::Point(20, 20).ToString(),
1503             child->GetBoundsInScreen().origin().ToString());
1504   // The |child| should still be a transient child of |window|.
1505   EXPECT_EQ(window.get(), ::wm::GetTransientParent(child.get()));
1506 }
1507
1508 // Tests that side snapping a window undocks it, closes the dock and then snaps.
1509 TEST_P(DockedWindowResizerTest, SideSnapDocked) {
1510   if (!SupportsHostWindowResize() || test_panels())
1511     return;
1512
1513   scoped_ptr<aura::Window> w1(CreateTestWindow(gfx::Rect(0, 0, 201, 201)));
1514   wm::WindowState* window_state = wm::GetWindowState(w1.get());
1515   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
1516   // A window should be docked at the right edge.
1517   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
1518             w1->GetBoundsInScreen().right());
1519   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1520   DockedWindowLayoutManager* manager =
1521       static_cast<DockedWindowLayoutManager*>(w1->parent()->layout_manager());
1522   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1523   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1524   EXPECT_TRUE(window_state->IsDocked());
1525   EXPECT_FALSE(window_state->IsSnapped());
1526
1527   // Side snap at right edge.
1528   const wm::WMEvent snap_right(wm::WM_EVENT_SNAP_RIGHT);
1529   window_state->OnWMEvent(&snap_right);
1530   // The window should be snapped at the right edge and the dock should close.
1531   gfx::Rect work_area(ScreenUtil::GetDisplayWorkAreaBoundsInParent(w1.get()));
1532   EXPECT_EQ(0, docked_width(manager));
1533   EXPECT_EQ(work_area.height(), w1->bounds().height());
1534   EXPECT_EQ(work_area.right(), w1->bounds().right());
1535   EXPECT_EQ(kShellWindowId_DefaultContainer, w1->parent()->id());
1536   EXPECT_FALSE(window_state->IsDocked());
1537   EXPECT_TRUE(window_state->IsSnapped());
1538
1539   // Dock again.
1540   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, w1.get(), 20);
1541   // A window should be docked at the right edge.
1542   EXPECT_EQ(w1->GetRootWindow()->GetBoundsInScreen().right(),
1543             w1->GetBoundsInScreen().right());
1544   EXPECT_EQ(kShellWindowId_DockedContainer, w1->parent()->id());
1545   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1546   EXPECT_EQ(w1->bounds().width(), docked_width(manager));
1547   EXPECT_TRUE(window_state->IsDocked());
1548   EXPECT_FALSE(window_state->IsSnapped());
1549
1550   // Side snap at left edge.
1551   const wm::WMEvent snap_left(wm::WM_EVENT_SNAP_LEFT);
1552   window_state->OnWMEvent(&snap_left);
1553   // The window should be snapped at the right edge and the dock should close.
1554   EXPECT_EQ(work_area.ToString(),
1555             ScreenUtil::GetDisplayWorkAreaBoundsInParent(w1.get()).ToString());
1556   EXPECT_EQ(0, docked_width(manager));
1557   EXPECT_EQ(work_area.height(), w1->bounds().height());
1558   EXPECT_EQ(work_area.x(), w1->bounds().x());
1559   EXPECT_EQ(kShellWindowId_DefaultContainer, w1->parent()->id());
1560   EXPECT_FALSE(window_state->IsDocked());
1561   EXPECT_TRUE(window_state->IsSnapped());
1562 }
1563
1564 // Tests that a window is undocked if the window is maximized via a keyboard
1565 // accelerator during a drag.
1566 TEST_P(DockedWindowResizerTest, MaximizedDuringDrag) {
1567   if (!SupportsHostWindowResize() || test_panels())
1568     return;
1569
1570   scoped_ptr<aura::Window> window(CreateTestWindow(
1571       gfx::Rect(0, 0, ideal_width(), 201)));
1572   wm::WindowState* window_state = wm::GetWindowState(window.get());
1573
1574   // Dock the window to the right edge.
1575   DragToVerticalPositionAndToEdge(DOCKED_EDGE_RIGHT, window.get(), 20);
1576   EXPECT_EQ(window->GetRootWindow()->GetBoundsInScreen().right(),
1577             window->GetBoundsInScreen().right());
1578   EXPECT_EQ(kShellWindowId_DockedContainer, window->parent()->id());
1579   DockedWindowLayoutManager* manager =
1580       static_cast<DockedWindowLayoutManager*>(
1581           window->parent()->layout_manager());
1582   EXPECT_EQ(DOCKED_ALIGNMENT_RIGHT, docked_alignment(manager));
1583   EXPECT_EQ(window->bounds().width(), docked_width(manager));
1584   EXPECT_TRUE(window_state->IsDocked());
1585
1586   // Maximize the window while in a real drag. In particular,
1587   // ToplevelWindowEventHandler::ScopedWindowResizer::OnWindowStateTypeChanged()
1588   // must be called in order for the maximized window's size to be correct.
1589   delegate()->set_window_component(HTCAPTION);
1590   ui::test::EventGenerator& generator = GetEventGenerator();
1591   generator.MoveMouseTo(window->GetBoundsInScreen().origin());
1592   generator.PressLeftButton();
1593   generator.MoveMouseBy(10, 10);
1594   window_state->Maximize();
1595   generator.ReleaseLeftButton();
1596
1597   // |window| should get undocked.
1598   EXPECT_EQ(kShellWindowId_DefaultContainer, window->parent()->id());
1599   EXPECT_EQ(0, docked_width(manager));
1600   EXPECT_EQ(
1601       ScreenUtil::GetMaximizedWindowBoundsInParent(window.get()).ToString(),
1602       window->bounds().ToString());
1603   EXPECT_TRUE(window_state->IsMaximized());
1604 }
1605
1606 // Tests run twice - on both panels and normal windows
1607 INSTANTIATE_TEST_CASE_P(NormalOrPanel,
1608                         DockedWindowResizerTest,
1609                         testing::Values(ui::wm::WINDOW_TYPE_NORMAL,
1610                                         ui::wm::WINDOW_TYPE_PANEL));
1611
1612 }  // namespace ash