ui/wm/core/transient_window_manager_unittest.cc

   1 // Copyright 2014 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 "ui/wm/core/transient_window_manager.h"
   6
   7 #include "ui/aura/client/window_tree_client.h"
   8 #include "ui/aura/test/aura_test_base.h"
   9 #include "ui/aura/test/test_windows.h"
  10 #include "ui/aura/window.h"
  11 #include "ui/wm/core/transient_window_observer.h"
  12 #include "ui/wm/core/window_util.h"
  13 #include "ui/wm/core/wm_state.h"
  14
  15 using aura::Window;
  16
  17 using aura::test::ChildWindowIDsAsString;
  18 using aura::test::CreateTestWindowWithId;
  19
  20 namespace wm {
  21
  22 class TestTransientWindowObserver : public TransientWindowObserver {
  23  public:
  24   TestTransientWindowObserver() : add_count_(0), remove_count_(0) {
  25   }
  26
  27   ~TestTransientWindowObserver() override {}
  28
  29   int add_count() const { return add_count_; }
  30   int remove_count() const { return remove_count_; }
  31
  32   // TransientWindowObserver overrides:
  33   void OnTransientChildAdded(Window* window, Window* transient) override {
  34     add_count_++;
  35   }
  36   void OnTransientChildRemoved(Window* window, Window* transient) override {
  37     remove_count_++;
  38   }
  39
  40  private:
  41   int add_count_;
  42   int remove_count_;
  43
  44   DISALLOW_COPY_AND_ASSIGN(TestTransientWindowObserver);
  45 };
  46
  47 class TransientWindowManagerTest : public aura::test::AuraTestBase {
  48  public:
  49   TransientWindowManagerTest() {}
  50   ~TransientWindowManagerTest() override {}
  51
  52   void SetUp() override {
  53     AuraTestBase::SetUp();
  54     wm_state_.reset(new wm::WMState);
  55   }
  56
  57   void TearDown() override {
  58     wm_state_.reset();
  59     AuraTestBase::TearDown();
  60   }
  61
  62  protected:
  63   // Creates a transient window that is transient to |parent|.
  64   Window* CreateTransientChild(int id, Window* parent) {
  65     Window* window = new Window(NULL);
  66     window->set_id(id);
  67     window->SetType(ui::wm::WINDOW_TYPE_NORMAL);
  68     window->Init(ui::LAYER_TEXTURED);
  69     AddTransientChild(parent, window);
  70     aura::client::ParentWindowWithContext(window, root_window(), gfx::Rect());
  71     return window;
  72   }
  73
  74  private:
  75   scoped_ptr<wm::WMState> wm_state_;
  76
  77   DISALLOW_COPY_AND_ASSIGN(TransientWindowManagerTest);
  78 };
  79
  80 // Various assertions for transient children.
  81 TEST_F(TransientWindowManagerTest, TransientChildren) {
  82   scoped_ptr<Window> parent(CreateTestWindowWithId(0, root_window()));
  83   scoped_ptr<Window> w1(CreateTestWindowWithId(1, parent.get()));
  84   scoped_ptr<Window> w3(CreateTestWindowWithId(3, parent.get()));
  85   Window* w2 = CreateTestWindowWithId(2, parent.get());
  86   // w2 is now owned by w1.
  87   AddTransientChild(w1.get(), w2);
  88   // Stack w1 at the top (end), this should force w2 to be last (on top of w1).
  89   parent->StackChildAtTop(w1.get());
  90   ASSERT_EQ(3u, parent->children().size());
  91   EXPECT_EQ(w2, parent->children().back());
  92
  93   // Destroy w1, which should also destroy w3 (since it's a transient child).
  94   w1.reset();
  95   w2 = NULL;
  96   ASSERT_EQ(1u, parent->children().size());
  97   EXPECT_EQ(w3.get(), parent->children()[0]);
  98
  99   w1.reset(CreateTestWindowWithId(4, parent.get()));
 100   w2 = CreateTestWindowWithId(5, w3.get());
 101   AddTransientChild(w1.get(), w2);
 102   parent->StackChildAtTop(w3.get());
 103   // Stack w1 at the top (end), this shouldn't affect w2 since it has a
 104   // different parent.
 105   parent->StackChildAtTop(w1.get());
 106   ASSERT_EQ(2u, parent->children().size());
 107   EXPECT_EQ(w3.get(), parent->children()[0]);
 108   EXPECT_EQ(w1.get(), parent->children()[1]);
 109
 110   // Hiding parent should hide transient children.
 111   EXPECT_TRUE(w2->IsVisible());
 112   w1->Hide();
 113   EXPECT_FALSE(w2->IsVisible());
 114
 115   // And they should stay hidden even after the parent became visible.
 116   w1->Show();
 117   EXPECT_FALSE(w2->IsVisible());
 118
 119   // Hidden transient child should stay hidden regardless of
 120   // parent's visibility.
 121   w2->Hide();
 122   EXPECT_FALSE(w2->IsVisible());
 123   w1->Hide();
 124   EXPECT_FALSE(w2->IsVisible());
 125   w1->Show();
 126   EXPECT_FALSE(w2->IsVisible());
 127
 128   // Transient child can be shown even if the transient parent is hidden.
 129   w1->Hide();
 130   EXPECT_FALSE(w2->IsVisible());
 131   w2->Show();
 132   EXPECT_TRUE(w2->IsVisible());
 133   w1->Show();
 134   EXPECT_TRUE(w2->IsVisible());
 135
 136   // When the parent_controls_visibility is true, TransientWindowManager
 137   // controls the children's visibility. It stays invisible even if
 138   // Window::Show() is called, and gets shown when the parent becomes visible.
 139   wm::TransientWindowManager::Get(w2)->set_parent_controls_visibility(true);
 140   w1->Hide();
 141   EXPECT_FALSE(w2->IsVisible());
 142   w2->Show();
 143   EXPECT_FALSE(w2->IsVisible());
 144   w1->Show();
 145   EXPECT_TRUE(w2->IsVisible());
 146
 147   // Hiding a transient child that is hidden by the transient parent
 148   // is not currently handled and will be shown anyway.
 149   w1->Hide();
 150   EXPECT_FALSE(w2->IsVisible());
 151   w2->Hide();
 152   EXPECT_FALSE(w2->IsVisible());
 153   w1->Show();
 154   EXPECT_TRUE(w2->IsVisible());
 155 }
 156
 157 // Tests that transient children are stacked as a unit when using stack above.
 158 TEST_F(TransientWindowManagerTest, TransientChildrenGroupAbove) {
 159   scoped_ptr<Window> parent(CreateTestWindowWithId(0, root_window()));
 160   scoped_ptr<Window> w1(CreateTestWindowWithId(1, parent.get()));
 161   Window* w11 = CreateTestWindowWithId(11, parent.get());
 162   scoped_ptr<Window> w2(CreateTestWindowWithId(2, parent.get()));
 163   Window* w21 = CreateTestWindowWithId(21, parent.get());
 164   Window* w211 = CreateTestWindowWithId(211, parent.get());
 165   Window* w212 = CreateTestWindowWithId(212, parent.get());
 166   Window* w213 = CreateTestWindowWithId(213, parent.get());
 167   Window* w22 = CreateTestWindowWithId(22, parent.get());
 168   ASSERT_EQ(8u, parent->children().size());
 169
 170   // w11 is now owned by w1.
 171   AddTransientChild(w1.get(), w11);
 172   // w21 is now owned by w2.
 173   AddTransientChild(w2.get(), w21);
 174   // w22 is now owned by w2.
 175   AddTransientChild(w2.get(), w22);
 176   // w211 is now owned by w21.
 177   AddTransientChild(w21, w211);
 178   // w212 is now owned by w21.
 179   AddTransientChild(w21, w212);
 180   // w213 is now owned by w21.
 181   AddTransientChild(w21, w213);
 182   EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
 183
 184   // Stack w1 at the top (end), this should force w11 to be last (on top of w1).
 185   parent->StackChildAtTop(w1.get());
 186   EXPECT_EQ(w11, parent->children().back());
 187   EXPECT_EQ("2 21 211 212 213 22 1 11", ChildWindowIDsAsString(parent.get()));
 188
 189   // This tests that the order in children_ array rather than in
 190   // transient_children_ array is used when reinserting transient children.
 191   // If transient_children_ array was used '22' would be following '21'.
 192   parent->StackChildAtTop(w2.get());
 193   EXPECT_EQ(w22, parent->children().back());
 194   EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
 195
 196   parent->StackChildAbove(w11, w2.get());
 197   EXPECT_EQ(w11, parent->children().back());
 198   EXPECT_EQ("2 21 211 212 213 22 1 11", ChildWindowIDsAsString(parent.get()));
 199
 200   parent->StackChildAbove(w21, w1.get());
 201   EXPECT_EQ(w22, parent->children().back());
 202   EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
 203
 204   parent->StackChildAbove(w21, w22);
 205   EXPECT_EQ(w213, parent->children().back());
 206   EXPECT_EQ("1 11 2 22 21 211 212 213", ChildWindowIDsAsString(parent.get()));
 207
 208   parent->StackChildAbove(w11, w21);
 209   EXPECT_EQ(w11, parent->children().back());
 210   EXPECT_EQ("2 22 21 211 212 213 1 11", ChildWindowIDsAsString(parent.get()));
 211
 212   parent->StackChildAbove(w213, w21);
 213   EXPECT_EQ(w11, parent->children().back());
 214   EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
 215
 216   // No change when stacking a transient parent above its transient child.
 217   parent->StackChildAbove(w21, w211);
 218   EXPECT_EQ(w11, parent->children().back());
 219   EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
 220
 221   // This tests that the order in children_ array rather than in
 222   // transient_children_ array is used when reinserting transient children.
 223   // If transient_children_ array was used '22' would be following '21'.
 224   parent->StackChildAbove(w2.get(), w1.get());
 225   EXPECT_EQ(w212, parent->children().back());
 226   EXPECT_EQ("1 11 2 22 21 213 211 212", ChildWindowIDsAsString(parent.get()));
 227
 228   parent->StackChildAbove(w11, w213);
 229   EXPECT_EQ(w11, parent->children().back());
 230   EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
 231 }
 232
 233 // Tests that transient children are stacked as a unit when using stack below.
 234 TEST_F(TransientWindowManagerTest, TransientChildrenGroupBelow) {
 235   scoped_ptr<Window> parent(CreateTestWindowWithId(0, root_window()));
 236   scoped_ptr<Window> w1(CreateTestWindowWithId(1, parent.get()));
 237   Window* w11 = CreateTestWindowWithId(11, parent.get());
 238   scoped_ptr<Window> w2(CreateTestWindowWithId(2, parent.get()));
 239   Window* w21 = CreateTestWindowWithId(21, parent.get());
 240   Window* w211 = CreateTestWindowWithId(211, parent.get());
 241   Window* w212 = CreateTestWindowWithId(212, parent.get());
 242   Window* w213 = CreateTestWindowWithId(213, parent.get());
 243   Window* w22 = CreateTestWindowWithId(22, parent.get());
 244   ASSERT_EQ(8u, parent->children().size());
 245
 246   // w11 is now owned by w1.
 247   AddTransientChild(w1.get(), w11);
 248   // w21 is now owned by w2.
 249   AddTransientChild(w2.get(), w21);
 250   // w22 is now owned by w2.
 251   AddTransientChild(w2.get(), w22);
 252   // w211 is now owned by w21.
 253   AddTransientChild(w21, w211);
 254   // w212 is now owned by w21.
 255   AddTransientChild(w21, w212);
 256   // w213 is now owned by w21.
 257   AddTransientChild(w21, w213);
 258   EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
 259
 260   // Stack w2 at the bottom, this should force w11 to be last (on top of w1).
 261   // This also tests that the order in children_ array rather than in
 262   // transient_children_ array is used when reinserting transient children.
 263   // If transient_children_ array was used '22' would be following '21'.
 264   parent->StackChildAtBottom(w2.get());
 265   EXPECT_EQ(w11, parent->children().back());
 266   EXPECT_EQ("2 21 211 212 213 22 1 11", ChildWindowIDsAsString(parent.get()));
 267
 268   parent->StackChildAtBottom(w1.get());
 269   EXPECT_EQ(w22, parent->children().back());
 270   EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
 271
 272   parent->StackChildBelow(w21, w1.get());
 273   EXPECT_EQ(w11, parent->children().back());
 274   EXPECT_EQ("2 21 211 212 213 22 1 11", ChildWindowIDsAsString(parent.get()));
 275
 276   parent->StackChildBelow(w11, w2.get());
 277   EXPECT_EQ(w22, parent->children().back());
 278   EXPECT_EQ("1 11 2 21 211 212 213 22", ChildWindowIDsAsString(parent.get()));
 279
 280   parent->StackChildBelow(w22, w21);
 281   EXPECT_EQ(w213, parent->children().back());
 282   EXPECT_EQ("1 11 2 22 21 211 212 213", ChildWindowIDsAsString(parent.get()));
 283
 284   parent->StackChildBelow(w21, w11);
 285   EXPECT_EQ(w11, parent->children().back());
 286   EXPECT_EQ("2 22 21 211 212 213 1 11", ChildWindowIDsAsString(parent.get()));
 287
 288   parent->StackChildBelow(w213, w211);
 289   EXPECT_EQ(w11, parent->children().back());
 290   EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
 291
 292   // No change when stacking a transient parent below its transient child.
 293   parent->StackChildBelow(w21, w211);
 294   EXPECT_EQ(w11, parent->children().back());
 295   EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
 296
 297   parent->StackChildBelow(w1.get(), w2.get());
 298   EXPECT_EQ(w212, parent->children().back());
 299   EXPECT_EQ("1 11 2 22 21 213 211 212", ChildWindowIDsAsString(parent.get()));
 300
 301   parent->StackChildBelow(w213, w11);
 302   EXPECT_EQ(w11, parent->children().back());
 303   EXPECT_EQ("2 22 21 213 211 212 1 11", ChildWindowIDsAsString(parent.get()));
 304 }
 305
 306 // Tests that transient windows are stacked properly when created.
 307 TEST_F(TransientWindowManagerTest, StackUponCreation) {
 308   scoped_ptr<Window> window0(CreateTestWindowWithId(0, root_window()));
 309   scoped_ptr<Window> window1(CreateTestWindowWithId(1, root_window()));
 310
 311   scoped_ptr<Window> window2(CreateTransientChild(2, window0.get()));
 312   EXPECT_EQ("0 2 1", ChildWindowIDsAsString(root_window()));
 313 }
 314
 315 // Tests that windows are restacked properly after a call to AddTransientChild()
 316 // or RemoveTransientChild().
 317 TEST_F(TransientWindowManagerTest, RestackUponAddOrRemoveTransientChild) {
 318   scoped_ptr<Window> windows[4];
 319   for (int i = 0; i < 4; i++)
 320     windows[i].reset(CreateTestWindowWithId(i, root_window()));
 321   EXPECT_EQ("0 1 2 3", ChildWindowIDsAsString(root_window()));
 322
 323   AddTransientChild(windows[0].get(), windows[2].get());
 324   EXPECT_EQ("0 2 1 3", ChildWindowIDsAsString(root_window()));
 325
 326   AddTransientChild(windows[0].get(), windows[3].get());
 327   EXPECT_EQ("0 2 3 1", ChildWindowIDsAsString(root_window()));
 328
 329   RemoveTransientChild(windows[0].get(), windows[2].get());
 330   EXPECT_EQ("0 3 2 1", ChildWindowIDsAsString(root_window()));
 331
 332   RemoveTransientChild(windows[0].get(), windows[3].get());
 333   EXPECT_EQ("0 3 2 1", ChildWindowIDsAsString(root_window()));
 334 }
 335
 336 namespace {
 337
 338 // Used by NotifyDelegateAfterDeletingTransients. Adds a string to a vector when
 339 // OnWindowDestroyed() is invoked so that destruction order can be verified.
 340 class DestroyedTrackingDelegate : public aura::test::TestWindowDelegate {
 341  public:
 342   explicit DestroyedTrackingDelegate(const std::string& name,
 343                                      std::vector<std::string>* results)
 344       : name_(name),
 345         results_(results) {}
 346
 347   void OnWindowDestroyed(aura::Window* window) override {
 348     results_->push_back(name_);
 349   }
 350
 351  private:
 352   const std::string name_;
 353   std::vector<std::string>* results_;
 354
 355   DISALLOW_COPY_AND_ASSIGN(DestroyedTrackingDelegate);
 356 };
 357
 358 }  // namespace
 359
 360 // Verifies the delegate is notified of destruction after transients are
 361 // destroyed.
 362 TEST_F(TransientWindowManagerTest, NotifyDelegateAfterDeletingTransients) {
 363   std::vector<std::string> destruction_order;
 364
 365   DestroyedTrackingDelegate parent_delegate("parent", &destruction_order);
 366   scoped_ptr<Window> parent(new Window(&parent_delegate));
 367   parent->Init(ui::LAYER_NOT_DRAWN);
 368
 369   DestroyedTrackingDelegate transient_delegate("transient", &destruction_order);
 370   Window* transient = new Window(&transient_delegate);  // Owned by |parent|.
 371   transient->Init(ui::LAYER_NOT_DRAWN);
 372   AddTransientChild(parent.get(), transient);
 373   parent.reset();
 374
 375   ASSERT_EQ(2u, destruction_order.size());
 376   EXPECT_EQ("transient", destruction_order[0]);
 377   EXPECT_EQ("parent", destruction_order[1]);
 378 }
 379
 380 TEST_F(TransientWindowManagerTest,
 381        StackTransientsLayersRelativeToOtherTransients) {
 382   // Create a window with several transients, then a couple windows on top.
 383   scoped_ptr<Window> window1(CreateTestWindowWithId(1, root_window()));
 384   scoped_ptr<Window> window11(CreateTransientChild(11, window1.get()));
 385   scoped_ptr<Window> window12(CreateTransientChild(12, window1.get()));
 386   scoped_ptr<Window> window13(CreateTransientChild(13, window1.get()));
 387
 388   EXPECT_EQ("1 11 12 13", ChildWindowIDsAsString(root_window()));
 389
 390   // Stack 11 above 12.
 391   root_window()->StackChildAbove(window11.get(), window12.get());
 392   EXPECT_EQ("1 12 11 13", ChildWindowIDsAsString(root_window()));
 393
 394   // Stack 13 below 12.
 395   root_window()->StackChildBelow(window13.get(), window12.get());
 396   EXPECT_EQ("1 13 12 11", ChildWindowIDsAsString(root_window()));
 397
 398   // Stack 11 above 1.
 399   root_window()->StackChildAbove(window11.get(), window1.get());
 400   EXPECT_EQ("1 11 13 12", ChildWindowIDsAsString(root_window()));
 401
 402   // Stack 12 below 13.
 403   root_window()->StackChildBelow(window12.get(), window13.get());
 404   EXPECT_EQ("1 11 12 13", ChildWindowIDsAsString(root_window()));
 405 }
 406
 407 // Verifies TransientWindowObserver is notified appropriately.
 408 TEST_F(TransientWindowManagerTest, TransientWindowObserverNotified) {
 409   scoped_ptr<Window> parent(CreateTestWindowWithId(0, root_window()));
 410   scoped_ptr<Window> w1(CreateTestWindowWithId(1, parent.get()));
 411
 412   TestTransientWindowObserver test_observer;
 413   TransientWindowManager::Get(parent.get())->AddObserver(&test_observer);
 414
 415   AddTransientChild(parent.get(), w1.get());
 416   EXPECT_EQ(1, test_observer.add_count());
 417   EXPECT_EQ(0, test_observer.remove_count());
 418
 419   RemoveTransientChild(parent.get(), w1.get());
 420   EXPECT_EQ(1, test_observer.add_count());
 421   EXPECT_EQ(1, test_observer.remove_count());
 422
 423   TransientWindowManager::Get(parent.get())->RemoveObserver(&test_observer);
 424 }
 425
 426 }  // namespace wm