src/ui/wm/core/focus_controller_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/wm/core/focus_controller.h"
   6
   7 #include <map>
   8
   9 #include "ui/aura/client/aura_constants.h"
  10 #include "ui/aura/client/default_capture_client.h"
  11 #include "ui/aura/client/focus_change_observer.h"
  12 #include "ui/aura/test/aura_test_base.h"
  13 #include "ui/aura/test/test_window_delegate.h"
  14 #include "ui/aura/test/test_windows.h"
  15 #include "ui/aura/window.h"
  16 #include "ui/aura/window_event_dispatcher.h"
  17 #include "ui/aura/window_tracker.h"
  18 #include "ui/base/ime/dummy_text_input_client.h"
  19 #include "ui/base/ime/text_input_focus_manager.h"
  20 #include "ui/events/event.h"
  21 #include "ui/events/event_constants.h"
  22 #include "ui/events/event_handler.h"
  23 #include "ui/events/test/event_generator.h"
  24 #include "ui/wm/core/base_focus_rules.h"
  25 #include "ui/wm/core/wm_state.h"
  26 #include "ui/wm/public/activation_change_observer.h"
  27 #include "ui/wm/public/activation_client.h"
  28
  29 namespace wm {
  30
  31 class FocusNotificationObserver : public aura::client::ActivationChangeObserver,
  32                                   public aura::client::FocusChangeObserver {
  33  public:
  34   FocusNotificationObserver()
  35       : activation_changed_count_(0),
  36         focus_changed_count_(0),
  37         reactivation_count_(0),
  38         reactivation_requested_window_(NULL),
  39         reactivation_actual_window_(NULL) {}
  40   virtual ~FocusNotificationObserver() {}
  41
  42   void ExpectCounts(int activation_changed_count, int focus_changed_count) {
  43     EXPECT_EQ(activation_changed_count, activation_changed_count_);
  44     EXPECT_EQ(focus_changed_count, focus_changed_count_);
  45   }
  46   int reactivation_count() const {
  47     return reactivation_count_;
  48   }
  49   aura::Window* reactivation_requested_window() const {
  50     return reactivation_requested_window_;
  51   }
  52   aura::Window* reactivation_actual_window() const {
  53     return reactivation_actual_window_;
  54   }
  55
  56  private:
  57   // Overridden from aura::client::ActivationChangeObserver:
  58   virtual void OnWindowActivated(aura::Window* gained_active,
  59                                  aura::Window* lost_active) OVERRIDE {
  60     ++activation_changed_count_;
  61   }
  62   virtual void OnAttemptToReactivateWindow(
  63       aura::Window* request_active,
  64       aura::Window* actual_active) OVERRIDE {
  65     ++reactivation_count_;
  66     reactivation_requested_window_ = request_active;
  67     reactivation_actual_window_ = actual_active;
  68   }
  69
  70   // Overridden from aura::client::FocusChangeObserver:
  71   virtual void OnWindowFocused(aura::Window* gained_focus,
  72                                aura::Window* lost_focus) OVERRIDE {
  73     ++focus_changed_count_;
  74   }
  75
  76   int activation_changed_count_;
  77   int focus_changed_count_;
  78   int reactivation_count_;
  79   aura::Window* reactivation_requested_window_;
  80   aura::Window* reactivation_actual_window_;
  81
  82   DISALLOW_COPY_AND_ASSIGN(FocusNotificationObserver);
  83 };
  84
  85 class WindowDeleter {
  86  public:
  87   virtual aura::Window* GetDeletedWindow() = 0;
  88
  89  protected:
  90   virtual ~WindowDeleter() {}
  91 };
  92
  93 // ActivationChangeObserver and FocusChangeObserver that keeps track of whether
  94 // it was notified about activation changes or focus changes with a deleted
  95 // window.
  96 class RecordingActivationAndFocusChangeObserver
  97     : public aura::client::ActivationChangeObserver,
  98       public aura::client::FocusChangeObserver {
  99  public:
 100   RecordingActivationAndFocusChangeObserver(aura::Window* root,
 101                                             WindowDeleter* deleter)
 102       : root_(root),
 103         deleter_(deleter),
 104         was_notified_with_deleted_window_(false) {
 105     aura::client::GetActivationClient(root_)->AddObserver(this);
 106     aura::client::GetFocusClient(root_)->AddObserver(this);
 107   }
 108   virtual ~RecordingActivationAndFocusChangeObserver() {
 109     aura::client::GetActivationClient(root_)->RemoveObserver(this);
 110     aura::client::GetFocusClient(root_)->RemoveObserver(this);
 111   }
 112
 113   bool was_notified_with_deleted_window() const {
 114     return was_notified_with_deleted_window_;
 115   }
 116
 117   // Overridden from aura::client::ActivationChangeObserver:
 118   virtual void OnWindowActivated(aura::Window* gained_active,
 119                                  aura::Window* lost_active) OVERRIDE {
 120     if (lost_active && lost_active == deleter_->GetDeletedWindow())
 121       was_notified_with_deleted_window_ = true;
 122   }
 123
 124   // Overridden from aura::client::FocusChangeObserver:
 125   virtual void OnWindowFocused(aura::Window* gained_focus,
 126                                aura::Window* lost_focus) OVERRIDE {
 127     if (lost_focus && lost_focus == deleter_->GetDeletedWindow())
 128       was_notified_with_deleted_window_ = true;
 129   }
 130
 131  private:
 132   aura::Window* root_;
 133
 134   // Not owned.
 135   WindowDeleter* deleter_;
 136
 137   // Whether the observer was notified about the loss of activation or the
 138   // loss of focus with a window already deleted by |deleter_| as the
 139   // |lost_active| or |lost_focus| parameter.
 140   bool was_notified_with_deleted_window_;
 141
 142   DISALLOW_COPY_AND_ASSIGN(RecordingActivationAndFocusChangeObserver);
 143 };
 144
 145 // ActivationChangeObserver that deletes the window losing activation.
 146 class DeleteOnLoseActivationChangeObserver :
 147     public aura::client::ActivationChangeObserver,
 148     public WindowDeleter {
 149  public:
 150   explicit DeleteOnLoseActivationChangeObserver(aura::Window* window)
 151       : root_(window->GetRootWindow()),
 152         window_(window),
 153         did_delete_(false) {
 154     aura::client::GetActivationClient(root_)->AddObserver(this);
 155   }
 156   virtual ~DeleteOnLoseActivationChangeObserver() {
 157     aura::client::GetActivationClient(root_)->RemoveObserver(this);
 158   }
 159
 160   // Overridden from aura::client::ActivationChangeObserver:
 161   virtual void OnWindowActivated(aura::Window* gained_active,
 162                                  aura::Window* lost_active) OVERRIDE {
 163     if (window_ && lost_active == window_) {
 164       delete lost_active;
 165       did_delete_ = true;
 166     }
 167   }
 168
 169   // Overridden from WindowDeleter:
 170   virtual aura::Window* GetDeletedWindow() OVERRIDE {
 171     return did_delete_ ? window_ : NULL;
 172   }
 173
 174  private:
 175   aura::Window* root_;
 176   aura::Window* window_;
 177   bool did_delete_;
 178
 179   DISALLOW_COPY_AND_ASSIGN(DeleteOnLoseActivationChangeObserver);
 180 };
 181
 182 // FocusChangeObserver that deletes the window losing focus.
 183 class DeleteOnLoseFocusChangeObserver
 184     : public aura::client::FocusChangeObserver,
 185       public WindowDeleter {
 186  public:
 187   explicit DeleteOnLoseFocusChangeObserver(aura::Window* window)
 188       : root_(window->GetRootWindow()),
 189         window_(window),
 190         did_delete_(false) {
 191     aura::client::GetFocusClient(root_)->AddObserver(this);
 192   }
 193   virtual ~DeleteOnLoseFocusChangeObserver() {
 194     aura::client::GetFocusClient(root_)->RemoveObserver(this);
 195   }
 196
 197   // Overridden from aura::client::FocusChangeObserver:
 198   virtual void OnWindowFocused(aura::Window* gained_focus,
 199                                aura::Window* lost_focus) OVERRIDE {
 200     if (window_ && lost_focus == window_) {
 201       delete lost_focus;
 202       did_delete_ = true;
 203     }
 204   }
 205
 206   // Overridden from WindowDeleter:
 207   virtual aura::Window* GetDeletedWindow() OVERRIDE {
 208     return did_delete_ ? window_ : NULL;
 209   }
 210
 211  private:
 212   aura::Window* root_;
 213   aura::Window* window_;
 214   bool did_delete_;
 215
 216   DISALLOW_COPY_AND_ASSIGN(DeleteOnLoseFocusChangeObserver);
 217 };
 218
 219 class ScopedFocusNotificationObserver : public FocusNotificationObserver {
 220  public:
 221   ScopedFocusNotificationObserver(aura::Window* root_window)
 222       : root_window_(root_window) {
 223     aura::client::GetActivationClient(root_window_)->AddObserver(this);
 224     aura::client::GetFocusClient(root_window_)->AddObserver(this);
 225   }
 226   virtual ~ScopedFocusNotificationObserver() {
 227     aura::client::GetActivationClient(root_window_)->RemoveObserver(this);
 228     aura::client::GetFocusClient(root_window_)->RemoveObserver(this);
 229   }
 230
 231  private:
 232   aura::Window* root_window_;
 233
 234   DISALLOW_COPY_AND_ASSIGN(ScopedFocusNotificationObserver);
 235 };
 236
 237 class ScopedTargetFocusNotificationObserver : public FocusNotificationObserver {
 238  public:
 239   ScopedTargetFocusNotificationObserver(aura::Window* root_window, int id)
 240       : target_(root_window->GetChildById(id)) {
 241     aura::client::SetActivationChangeObserver(target_, this);
 242     aura::client::SetFocusChangeObserver(target_, this);
 243     tracker_.Add(target_);
 244   }
 245   virtual ~ScopedTargetFocusNotificationObserver() {
 246     if (tracker_.Contains(target_)) {
 247       aura::client::SetActivationChangeObserver(target_, NULL);
 248       aura::client::SetFocusChangeObserver(target_, NULL);
 249     }
 250   }
 251
 252  private:
 253   aura::Window* target_;
 254   aura::WindowTracker tracker_;
 255
 256   DISALLOW_COPY_AND_ASSIGN(ScopedTargetFocusNotificationObserver);
 257 };
 258
 259 class ScopedFocusedTextInputClientChanger
 260     : public ScopedFocusNotificationObserver {
 261  public:
 262   ScopedFocusedTextInputClientChanger(aura::Window* root_window,
 263                                       ui::TextInputClient* text_input_client)
 264       : ScopedFocusNotificationObserver(root_window),
 265         text_input_client_(text_input_client) {}
 266
 267  private:
 268   // Overridden from aura::client::FocusChangeObserver:
 269   virtual void OnWindowFocused(aura::Window* gained_focus,
 270                                aura::Window* lost_focus) OVERRIDE {
 271     ui::TextInputFocusManager::GetInstance()->FocusTextInputClient(
 272         text_input_client_);
 273   }
 274
 275   ui::TextInputClient* text_input_client_;
 276 };
 277
 278 // Used to fake the handling of events in the pre-target phase.
 279 class SimpleEventHandler : public ui::EventHandler {
 280  public:
 281   SimpleEventHandler() {}
 282   virtual ~SimpleEventHandler() {}
 283
 284   // Overridden from ui::EventHandler:
 285   virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE {
 286     event->SetHandled();
 287   }
 288   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
 289     event->SetHandled();
 290   }
 291
 292  private:
 293   DISALLOW_COPY_AND_ASSIGN(SimpleEventHandler);
 294 };
 295
 296 class FocusShiftingActivationObserver
 297     : public aura::client::ActivationChangeObserver {
 298  public:
 299   explicit FocusShiftingActivationObserver(aura::Window* activated_window)
 300       : activated_window_(activated_window),
 301         shift_focus_to_(NULL) {}
 302   virtual ~FocusShiftingActivationObserver() {}
 303
 304   void set_shift_focus_to(aura::Window* shift_focus_to) {
 305     shift_focus_to_ = shift_focus_to;
 306   }
 307
 308  private:
 309   // Overridden from aura::client::ActivationChangeObserver:
 310   virtual void OnWindowActivated(aura::Window* gained_active,
 311                                  aura::Window* lost_active) OVERRIDE {
 312     // Shift focus to a child. This should prevent the default focusing from
 313     // occurring in FocusController::FocusWindow().
 314     if (gained_active == activated_window_) {
 315       aura::client::FocusClient* client =
 316           aura::client::GetFocusClient(gained_active);
 317       client->FocusWindow(shift_focus_to_);
 318     }
 319   }
 320
 321   aura::Window* activated_window_;
 322   aura::Window* shift_focus_to_;
 323
 324   DISALLOW_COPY_AND_ASSIGN(FocusShiftingActivationObserver);
 325 };
 326
 327 // BaseFocusRules subclass that allows basic overrides of focus/activation to
 328 // be tested. This is intended more as a test that the override system works at
 329 // all, rather than as an exhaustive set of use cases, those should be covered
 330 // in tests for those FocusRules implementations.
 331 class TestFocusRules : public BaseFocusRules {
 332  public:
 333   TestFocusRules() : focus_restriction_(NULL) {}
 334
 335   // Restricts focus and activation to this window and its child hierarchy.
 336   void set_focus_restriction(aura::Window* focus_restriction) {
 337     focus_restriction_ = focus_restriction;
 338   }
 339
 340   // Overridden from BaseFocusRules:
 341   virtual bool SupportsChildActivation(aura::Window* window) const OVERRIDE {
 342     // In FocusControllerTests, only the RootWindow has activatable children.
 343     return window->GetRootWindow() == window;
 344   }
 345   virtual bool CanActivateWindow(aura::Window* window) const OVERRIDE {
 346     // Restricting focus to a non-activatable child window means the activatable
 347     // parent outside the focus restriction is activatable.
 348     bool can_activate =
 349         CanFocusOrActivate(window) || window->Contains(focus_restriction_);
 350     return can_activate ? BaseFocusRules::CanActivateWindow(window) : false;
 351   }
 352   virtual bool CanFocusWindow(aura::Window* window) const OVERRIDE {
 353     return CanFocusOrActivate(window) ?
 354         BaseFocusRules::CanFocusWindow(window) : false;
 355   }
 356   virtual aura::Window* GetActivatableWindow(
 357       aura::Window* window) const OVERRIDE {
 358     return BaseFocusRules::GetActivatableWindow(
 359         CanFocusOrActivate(window) ? window : focus_restriction_);
 360   }
 361   virtual aura::Window* GetFocusableWindow(
 362       aura::Window* window) const OVERRIDE {
 363     return BaseFocusRules::GetFocusableWindow(
 364         CanFocusOrActivate(window) ? window : focus_restriction_);
 365   }
 366   virtual aura::Window* GetNextActivatableWindow(
 367       aura::Window* ignore) const OVERRIDE {
 368     aura::Window* next_activatable =
 369         BaseFocusRules::GetNextActivatableWindow(ignore);
 370     return CanFocusOrActivate(next_activatable) ?
 371         next_activatable : GetActivatableWindow(focus_restriction_);
 372   }
 373
 374  private:
 375   bool CanFocusOrActivate(aura::Window* window) const {
 376     return !focus_restriction_ || focus_restriction_->Contains(window);
 377   }
 378
 379   aura::Window* focus_restriction_;
 380
 381   DISALLOW_COPY_AND_ASSIGN(TestFocusRules);
 382 };
 383
 384 // Common infrastructure shared by all FocusController test types.
 385 class FocusControllerTestBase : public aura::test::AuraTestBase {
 386  protected:
 387   FocusControllerTestBase() {}
 388
 389   // Overridden from aura::test::AuraTestBase:
 390   virtual void SetUp() OVERRIDE {
 391     wm_state_.reset(new wm::WMState);
 392     // FocusController registers itself as an Env observer so it can catch all
 393     // window initializations, including the root_window()'s, so we create it
 394     // before allowing the base setup.
 395     test_focus_rules_ = new TestFocusRules;
 396     focus_controller_.reset(new FocusController(test_focus_rules_));
 397     aura::test::AuraTestBase::SetUp();
 398     root_window()->AddPreTargetHandler(focus_controller_.get());
 399     aura::client::SetFocusClient(root_window(), focus_controller_.get());
 400     aura::client::SetActivationClient(root_window(), focus_controller_.get());
 401
 402     // Hierarchy used by all tests:
 403     // root_window
 404     //       +-- w1
 405     //       |    +-- w11
 406     //       |    +-- w12
 407     //       +-- w2
 408     //       |    +-- w21
 409     //       |         +-- w211
 410     //       +-- w3
 411     aura::Window* w1 = aura::test::CreateTestWindowWithDelegate(
 412         aura::test::TestWindowDelegate::CreateSelfDestroyingDelegate(), 1,
 413         gfx::Rect(0, 0, 50, 50), root_window());
 414     aura::test::CreateTestWindowWithDelegate(
 415         aura::test::TestWindowDelegate::CreateSelfDestroyingDelegate(), 11,
 416         gfx::Rect(5, 5, 10, 10), w1);
 417     aura::test::CreateTestWindowWithDelegate(
 418         aura::test::TestWindowDelegate::CreateSelfDestroyingDelegate(), 12,
 419         gfx::Rect(15, 15, 10, 10), w1);
 420     aura::Window* w2 = aura::test::CreateTestWindowWithDelegate(
 421         aura::test::TestWindowDelegate::CreateSelfDestroyingDelegate(), 2,
 422         gfx::Rect(75, 75, 50, 50), root_window());
 423     aura::Window* w21 = aura::test::CreateTestWindowWithDelegate(
 424         aura::test::TestWindowDelegate::CreateSelfDestroyingDelegate(), 21,
 425         gfx::Rect(5, 5, 10, 10), w2);
 426     aura::test::CreateTestWindowWithDelegate(
 427         aura::test::TestWindowDelegate::CreateSelfDestroyingDelegate(), 211,
 428         gfx::Rect(1, 1, 5, 5), w21);
 429     aura::test::CreateTestWindowWithDelegate(
 430         aura::test::TestWindowDelegate::CreateSelfDestroyingDelegate(), 3,
 431         gfx::Rect(125, 125, 50, 50), root_window());
 432   }
 433   virtual void TearDown() OVERRIDE {
 434     root_window()->RemovePreTargetHandler(focus_controller_.get());
 435     aura::test::AuraTestBase::TearDown();
 436     test_focus_rules_ = NULL;  // Owned by FocusController.
 437     focus_controller_.reset();
 438     wm_state_.reset();
 439   }
 440
 441   void FocusWindow(aura::Window* window) {
 442     aura::client::GetFocusClient(root_window())->FocusWindow(window);
 443   }
 444   aura::Window* GetFocusedWindow() {
 445     return aura::client::GetFocusClient(root_window())->GetFocusedWindow();
 446   }
 447   int GetFocusedWindowId() {
 448     aura::Window* focused_window = GetFocusedWindow();
 449     return focused_window ? focused_window->id() : -1;
 450   }
 451   void ActivateWindow(aura::Window* window) {
 452     aura::client::GetActivationClient(root_window())->ActivateWindow(window);
 453   }
 454   void DeactivateWindow(aura::Window* window) {
 455     aura::client::GetActivationClient(root_window())->DeactivateWindow(window);
 456   }
 457   aura::Window* GetActiveWindow() {
 458     return aura::client::GetActivationClient(root_window())->GetActiveWindow();
 459   }
 460   int GetActiveWindowId() {
 461     aura::Window* active_window = GetActiveWindow();
 462     return active_window ? active_window->id() : -1;
 463   }
 464
 465   TestFocusRules* test_focus_rules() { return test_focus_rules_; }
 466
 467   // Test functions.
 468   virtual void BasicFocus() = 0;
 469   virtual void BasicActivation() = 0;
 470   virtual void FocusEvents() = 0;
 471   virtual void DuplicateFocusEvents() {}
 472   virtual void ActivationEvents() = 0;
 473   virtual void ReactivationEvents() {}
 474   virtual void DuplicateActivationEvents() {}
 475   virtual void ShiftFocusWithinActiveWindow() {}
 476   virtual void ShiftFocusToChildOfInactiveWindow() {}
 477   virtual void ShiftFocusToParentOfFocusedWindow() {}
 478   virtual void FocusRulesOverride() = 0;
 479   virtual void ActivationRulesOverride() = 0;
 480   virtual void ShiftFocusOnActivation() {}
 481   virtual void ShiftFocusOnActivationDueToHide() {}
 482   virtual void NoShiftActiveOnActivation() {}
 483   virtual void NoFocusChangeOnClickOnCaptureWindow() {}
 484   virtual void ChangeFocusWhenNothingFocusedAndCaptured() {}
 485   virtual void DontPassDeletedWindow() {}
 486   virtual void FocusedTextInputClient() {}
 487
 488  private:
 489   scoped_ptr<FocusController> focus_controller_;
 490   TestFocusRules* test_focus_rules_;
 491   scoped_ptr<wm::WMState> wm_state_;
 492
 493   DISALLOW_COPY_AND_ASSIGN(FocusControllerTestBase);
 494 };
 495
 496 // Test base for tests where focus is directly set to a target window.
 497 class FocusControllerDirectTestBase : public FocusControllerTestBase {
 498  protected:
 499   FocusControllerDirectTestBase() {}
 500
 501   // Different test types shift focus in different ways.
 502   virtual void FocusWindowDirect(aura::Window* window) = 0;
 503   virtual void ActivateWindowDirect(aura::Window* window) = 0;
 504   virtual void DeactivateWindowDirect(aura::Window* window) = 0;
 505
 506   // Input events do not change focus if the window can not be focused.
 507   virtual bool IsInputEvent() = 0;
 508
 509   void FocusWindowById(int id) {
 510     aura::Window* window = root_window()->GetChildById(id);
 511     DCHECK(window);
 512     FocusWindowDirect(window);
 513   }
 514   void ActivateWindowById(int id) {
 515     aura::Window* window = root_window()->GetChildById(id);
 516     DCHECK(window);
 517     ActivateWindowDirect(window);
 518   }
 519
 520   // Overridden from FocusControllerTestBase:
 521   virtual void BasicFocus() OVERRIDE {
 522     EXPECT_EQ(NULL, GetFocusedWindow());
 523     FocusWindowById(1);
 524     EXPECT_EQ(1, GetFocusedWindowId());
 525     FocusWindowById(2);
 526     EXPECT_EQ(2, GetFocusedWindowId());
 527   }
 528   virtual void BasicActivation() OVERRIDE {
 529     EXPECT_EQ(NULL, GetActiveWindow());
 530     ActivateWindowById(1);
 531     EXPECT_EQ(1, GetActiveWindowId());
 532     ActivateWindowById(2);
 533     EXPECT_EQ(2, GetActiveWindowId());
 534     // Verify that attempting to deactivate NULL does not crash and does not
 535     // change activation.
 536     DeactivateWindow(NULL);
 537     EXPECT_EQ(2, GetActiveWindowId());
 538     DeactivateWindow(GetActiveWindow());
 539     EXPECT_EQ(1, GetActiveWindowId());
 540   }
 541   virtual void FocusEvents() OVERRIDE {
 542     ScopedFocusNotificationObserver root_observer(root_window());
 543     ScopedTargetFocusNotificationObserver observer1(root_window(), 1);
 544     ScopedTargetFocusNotificationObserver observer2(root_window(), 2);
 545
 546     root_observer.ExpectCounts(0, 0);
 547     observer1.ExpectCounts(0, 0);
 548     observer2.ExpectCounts(0, 0);
 549
 550     FocusWindowById(1);
 551     root_observer.ExpectCounts(1, 1);
 552     observer1.ExpectCounts(1, 1);
 553     observer2.ExpectCounts(0, 0);
 554
 555     FocusWindowById(2);
 556     root_observer.ExpectCounts(2, 2);
 557     observer1.ExpectCounts(2, 2);
 558     observer2.ExpectCounts(1, 1);
 559   }
 560   virtual void DuplicateFocusEvents() OVERRIDE {
 561     // Focusing an existing focused window should not resend focus events.
 562     ScopedFocusNotificationObserver root_observer(root_window());
 563     ScopedTargetFocusNotificationObserver observer1(root_window(), 1);
 564
 565     root_observer.ExpectCounts(0, 0);
 566     observer1.ExpectCounts(0, 0);
 567
 568     FocusWindowById(1);
 569     root_observer.ExpectCounts(1, 1);
 570     observer1.ExpectCounts(1, 1);
 571
 572     FocusWindowById(1);
 573     root_observer.ExpectCounts(1, 1);
 574     observer1.ExpectCounts(1, 1);
 575   }
 576   virtual void ActivationEvents() OVERRIDE {
 577     ActivateWindowById(1);
 578
 579     ScopedFocusNotificationObserver root_observer(root_window());
 580     ScopedTargetFocusNotificationObserver observer1(root_window(), 1);
 581     ScopedTargetFocusNotificationObserver observer2(root_window(), 2);
 582
 583     root_observer.ExpectCounts(0, 0);
 584     observer1.ExpectCounts(0, 0);
 585     observer2.ExpectCounts(0, 0);
 586
 587     ActivateWindowById(2);
 588     root_observer.ExpectCounts(1, 1);
 589     observer1.ExpectCounts(1, 1);
 590     observer2.ExpectCounts(1, 1);
 591   }
 592   virtual void ReactivationEvents() OVERRIDE {
 593     ActivateWindowById(1);
 594     ScopedFocusNotificationObserver root_observer(root_window());
 595     EXPECT_EQ(0, root_observer.reactivation_count());
 596     root_window()->GetChildById(2)->Hide();
 597     // When we attempt to activate "2", which cannot be activated because it
 598     // is not visible, "1" will be reactivated.
 599     ActivateWindowById(2);
 600     EXPECT_EQ(1, root_observer.reactivation_count());
 601     EXPECT_EQ(root_window()->GetChildById(2),
 602               root_observer.reactivation_requested_window());
 603     EXPECT_EQ(root_window()->GetChildById(1),
 604               root_observer.reactivation_actual_window());
 605   }
 606   virtual void DuplicateActivationEvents() OVERRIDE {
 607     // Activating an existing active window should not resend activation events.
 608     ActivateWindowById(1);
 609
 610     ScopedFocusNotificationObserver root_observer(root_window());
 611     ScopedTargetFocusNotificationObserver observer1(root_window(), 1);
 612     ScopedTargetFocusNotificationObserver observer2(root_window(), 2);
 613
 614     root_observer.ExpectCounts(0, 0);
 615     observer1.ExpectCounts(0, 0);
 616     observer2.ExpectCounts(0, 0);
 617
 618     ActivateWindowById(2);
 619     root_observer.ExpectCounts(1, 1);
 620     observer1.ExpectCounts(1, 1);
 621     observer2.ExpectCounts(1, 1);
 622
 623     ActivateWindowById(2);
 624     root_observer.ExpectCounts(1, 1);
 625     observer1.ExpectCounts(1, 1);
 626     observer2.ExpectCounts(1, 1);
 627   }
 628   virtual void ShiftFocusWithinActiveWindow() OVERRIDE {
 629     ActivateWindowById(1);
 630     EXPECT_EQ(1, GetActiveWindowId());
 631     EXPECT_EQ(1, GetFocusedWindowId());
 632     FocusWindowById(11);
 633     EXPECT_EQ(11, GetFocusedWindowId());
 634     FocusWindowById(12);
 635     EXPECT_EQ(12, GetFocusedWindowId());
 636   }
 637   virtual void ShiftFocusToChildOfInactiveWindow() OVERRIDE {
 638     ActivateWindowById(2);
 639     EXPECT_EQ(2, GetActiveWindowId());
 640     EXPECT_EQ(2, GetFocusedWindowId());
 641     FocusWindowById(11);
 642     EXPECT_EQ(1, GetActiveWindowId());
 643     EXPECT_EQ(11, GetFocusedWindowId());
 644   }
 645   virtual void ShiftFocusToParentOfFocusedWindow() OVERRIDE {
 646     ActivateWindowById(1);
 647     EXPECT_EQ(1, GetFocusedWindowId());
 648     FocusWindowById(11);
 649     EXPECT_EQ(11, GetFocusedWindowId());
 650     FocusWindowById(1);
 651     // Focus should _not_ shift to the parent of the already-focused window.
 652     EXPECT_EQ(11, GetFocusedWindowId());
 653   }
 654   virtual void FocusRulesOverride() OVERRIDE {
 655     EXPECT_EQ(NULL, GetFocusedWindow());
 656     FocusWindowById(11);
 657     EXPECT_EQ(11, GetFocusedWindowId());
 658
 659     test_focus_rules()->set_focus_restriction(root_window()->GetChildById(211));
 660     FocusWindowById(12);
 661     // Input events leave focus unchanged; direct API calls will change focus
 662     // to the restricted window.
 663     int focused_window = IsInputEvent() ? 11 : 211;
 664     EXPECT_EQ(focused_window, GetFocusedWindowId());
 665
 666     test_focus_rules()->set_focus_restriction(NULL);
 667     FocusWindowById(12);
 668     EXPECT_EQ(12, GetFocusedWindowId());
 669   }
 670   virtual void ActivationRulesOverride() OVERRIDE {
 671     ActivateWindowById(1);
 672     EXPECT_EQ(1, GetActiveWindowId());
 673     EXPECT_EQ(1, GetFocusedWindowId());
 674
 675     aura::Window* w3 = root_window()->GetChildById(3);
 676     test_focus_rules()->set_focus_restriction(w3);
 677
 678     ActivateWindowById(2);
 679     // Input events leave activation unchanged; direct API calls will activate
 680     // the restricted window.
 681     int active_window = IsInputEvent() ? 1 : 3;
 682     EXPECT_EQ(active_window, GetActiveWindowId());
 683     EXPECT_EQ(active_window, GetFocusedWindowId());
 684
 685     test_focus_rules()->set_focus_restriction(NULL);
 686     ActivateWindowById(2);
 687     EXPECT_EQ(2, GetActiveWindowId());
 688     EXPECT_EQ(2, GetFocusedWindowId());
 689   }
 690   virtual void ShiftFocusOnActivation() OVERRIDE {
 691     // When a window is activated, by default that window is also focused.
 692     // An ActivationChangeObserver may shift focus to another window within the
 693     // same activatable window.
 694     ActivateWindowById(2);
 695     EXPECT_EQ(2, GetFocusedWindowId());
 696     ActivateWindowById(1);
 697     EXPECT_EQ(1, GetFocusedWindowId());
 698
 699     ActivateWindowById(2);
 700
 701     aura::Window* target = root_window()->GetChildById(1);
 702     aura::client::ActivationClient* client =
 703         aura::client::GetActivationClient(root_window());
 704
 705     scoped_ptr<FocusShiftingActivationObserver> observer(
 706         new FocusShiftingActivationObserver(target));
 707     observer->set_shift_focus_to(target->GetChildById(11));
 708     client->AddObserver(observer.get());
 709
 710     ActivateWindowById(1);
 711
 712     // w1's ActivationChangeObserver shifted focus to this child, pre-empting
 713     // FocusController's default setting.
 714     EXPECT_EQ(11, GetFocusedWindowId());
 715
 716     ActivateWindowById(2);
 717     EXPECT_EQ(2, GetFocusedWindowId());
 718
 719     // Simulate a focus reset by the ActivationChangeObserver. This should
 720     // trigger the default setting in FocusController.
 721     observer->set_shift_focus_to(NULL);
 722     ActivateWindowById(1);
 723     EXPECT_EQ(1, GetFocusedWindowId());
 724
 725     client->RemoveObserver(observer.get());
 726
 727     ActivateWindowById(2);
 728     EXPECT_EQ(2, GetFocusedWindowId());
 729     ActivateWindowById(1);
 730     EXPECT_EQ(1, GetFocusedWindowId());
 731   }
 732   virtual void ShiftFocusOnActivationDueToHide() OVERRIDE {
 733     // Similar to ShiftFocusOnActivation except the activation change is
 734     // triggered by hiding the active window.
 735     ActivateWindowById(1);
 736     EXPECT_EQ(1, GetFocusedWindowId());
 737
 738     // Removes window 3 as candidate for next activatable window.
 739     root_window()->GetChildById(3)->Hide();
 740     EXPECT_EQ(1, GetFocusedWindowId());
 741
 742     aura::Window* target = root_window()->GetChildById(2);
 743     aura::client::ActivationClient* client =
 744         aura::client::GetActivationClient(root_window());
 745
 746     scoped_ptr<FocusShiftingActivationObserver> observer(
 747         new FocusShiftingActivationObserver(target));
 748     observer->set_shift_focus_to(target->GetChildById(21));
 749     client->AddObserver(observer.get());
 750
 751     // Hide the active window.
 752     root_window()->GetChildById(1)->Hide();
 753
 754     EXPECT_EQ(21, GetFocusedWindowId());
 755
 756     client->RemoveObserver(observer.get());
 757   }
 758   virtual void NoShiftActiveOnActivation() OVERRIDE {
 759     // When a window is activated, we need to prevent any change to activation
 760     // from being made in response to an activation change notification.
 761   }
 762
 763   virtual void NoFocusChangeOnClickOnCaptureWindow() OVERRIDE {
 764     scoped_ptr<aura::client::DefaultCaptureClient> capture_client(
 765         new aura::client::DefaultCaptureClient(root_window()));
 766     // Clicking on a window which has capture should not cause a focus change
 767     // to the window. This test verifies whether that is indeed the case.
 768     ActivateWindowById(1);
 769
 770     EXPECT_EQ(1, GetActiveWindowId());
 771     EXPECT_EQ(1, GetFocusedWindowId());
 772
 773     aura::Window* w2 = root_window()->GetChildById(2);
 774     aura::client::GetCaptureClient(root_window())->SetCapture(w2);
 775     ui::test::EventGenerator generator(root_window(), w2);
 776     generator.ClickLeftButton();
 777
 778     EXPECT_EQ(1, GetActiveWindowId());
 779     EXPECT_EQ(1, GetFocusedWindowId());
 780     aura::client::GetCaptureClient(root_window())->ReleaseCapture(w2);
 781   }
 782
 783   // Verifies focus change is honored while capture held.
 784   virtual void ChangeFocusWhenNothingFocusedAndCaptured() OVERRIDE {
 785     scoped_ptr<aura::client::DefaultCaptureClient> capture_client(
 786         new aura::client::DefaultCaptureClient(root_window()));
 787     aura::Window* w1 = root_window()->GetChildById(1);
 788     aura::client::GetCaptureClient(root_window())->SetCapture(w1);
 789
 790     EXPECT_EQ(-1, GetActiveWindowId());
 791     EXPECT_EQ(-1, GetFocusedWindowId());
 792
 793     FocusWindowById(1);
 794
 795     EXPECT_EQ(1, GetActiveWindowId());
 796     EXPECT_EQ(1, GetFocusedWindowId());
 797
 798     aura::client::GetCaptureClient(root_window())->ReleaseCapture(w1);
 799   }
 800
 801   // Verifies if a window that loses activation or focus is deleted during
 802   // observer notification we don't pass the deleted window to other observers.
 803   virtual void DontPassDeletedWindow() OVERRIDE {
 804     FocusWindowById(1);
 805
 806     EXPECT_EQ(1, GetActiveWindowId());
 807     EXPECT_EQ(1, GetFocusedWindowId());
 808
 809     {
 810       aura::Window* to_delete = root_window()->GetChildById(1);
 811       DeleteOnLoseActivationChangeObserver observer1(to_delete);
 812       RecordingActivationAndFocusChangeObserver observer2(root_window(),
 813                                                           &observer1);
 814
 815       FocusWindowById(2);
 816
 817       EXPECT_EQ(2, GetActiveWindowId());
 818       EXPECT_EQ(2, GetFocusedWindowId());
 819
 820       EXPECT_EQ(to_delete, observer1.GetDeletedWindow());
 821       EXPECT_FALSE(observer2.was_notified_with_deleted_window());
 822     }
 823
 824     {
 825       aura::Window* to_delete = root_window()->GetChildById(2);
 826       DeleteOnLoseFocusChangeObserver observer1(to_delete);
 827       RecordingActivationAndFocusChangeObserver observer2(root_window(),
 828                                                           &observer1);
 829
 830       FocusWindowById(3);
 831
 832       EXPECT_EQ(3, GetActiveWindowId());
 833       EXPECT_EQ(3, GetFocusedWindowId());
 834
 835       EXPECT_EQ(to_delete, observer1.GetDeletedWindow());
 836       EXPECT_FALSE(observer2.was_notified_with_deleted_window());
 837     }
 838   }
 839
 840   // Verifies if the focused text input client is cleared when a window gains
 841   // or loses the focus.
 842   virtual void FocusedTextInputClient() OVERRIDE {
 843     ui::TextInputFocusManager* text_input_focus_manager =
 844         ui::TextInputFocusManager::GetInstance();
 845     ui::DummyTextInputClient text_input_client;
 846     ui::TextInputClient* null_text_input_client = NULL;
 847
 848     EXPECT_EQ(null_text_input_client,
 849               text_input_focus_manager->GetFocusedTextInputClient());
 850
 851     text_input_focus_manager->FocusTextInputClient(&text_input_client);
 852     EXPECT_EQ(&text_input_client,
 853               text_input_focus_manager->GetFocusedTextInputClient());
 854     FocusWindowById(1);
 855     // The focused text input client gets cleared when a window gets focused
 856     // unless any of observers sets the focused text input client.
 857     EXPECT_EQ(null_text_input_client,
 858               text_input_focus_manager->GetFocusedTextInputClient());
 859
 860     ScopedFocusedTextInputClientChanger text_input_focus_changer(
 861         root_window(), &text_input_client);
 862     EXPECT_EQ(null_text_input_client,
 863               text_input_focus_manager->GetFocusedTextInputClient());
 864     FocusWindowById(2);
 865     // |text_input_focus_changer| sets the focused text input client.
 866     EXPECT_EQ(&text_input_client,
 867               text_input_focus_manager->GetFocusedTextInputClient());
 868
 869     FocusWindow(NULL);
 870     // The focused text input client gets cleared when a window loses the focus.
 871     EXPECT_EQ(null_text_input_client,
 872               text_input_focus_manager->GetFocusedTextInputClient());
 873   }
 874
 875  private:
 876   DISALLOW_COPY_AND_ASSIGN(FocusControllerDirectTestBase);
 877 };
 878
 879 // Focus and Activation changes via aura::client::ActivationClient API.
 880 class FocusControllerApiTest : public FocusControllerDirectTestBase {
 881  public:
 882   FocusControllerApiTest() {}
 883
 884  private:
 885   // Overridden from FocusControllerTestBase:
 886   virtual void FocusWindowDirect(aura::Window* window) OVERRIDE {
 887     FocusWindow(window);
 888   }
 889   virtual void ActivateWindowDirect(aura::Window* window) OVERRIDE {
 890     ActivateWindow(window);
 891   }
 892   virtual void DeactivateWindowDirect(aura::Window* window) OVERRIDE {
 893     DeactivateWindow(window);
 894   }
 895   virtual bool IsInputEvent() OVERRIDE { return false; }
 896
 897   DISALLOW_COPY_AND_ASSIGN(FocusControllerApiTest);
 898 };
 899
 900 // Focus and Activation changes via input events.
 901 class FocusControllerMouseEventTest : public FocusControllerDirectTestBase {
 902  public:
 903   FocusControllerMouseEventTest() {}
 904
 905   // Tests that a handled mouse or gesture event does not trigger a window
 906   // activation.
 907   void IgnoreHandledEvent() {
 908     EXPECT_EQ(NULL, GetActiveWindow());
 909     aura::Window* w1 = root_window()->GetChildById(1);
 910     SimpleEventHandler handler;
 911     root_window()->PrependPreTargetHandler(&handler);
 912     ui::test::EventGenerator generator(root_window(), w1);
 913     generator.ClickLeftButton();
 914     EXPECT_EQ(NULL, GetActiveWindow());
 915     generator.GestureTapAt(w1->bounds().CenterPoint());
 916     EXPECT_EQ(NULL, GetActiveWindow());
 917     root_window()->RemovePreTargetHandler(&handler);
 918     generator.ClickLeftButton();
 919     EXPECT_EQ(1, GetActiveWindowId());
 920   }
 921
 922  private:
 923   // Overridden from FocusControllerTestBase:
 924   virtual void FocusWindowDirect(aura::Window* window) OVERRIDE {
 925     ui::test::EventGenerator generator(root_window(), window);
 926     generator.ClickLeftButton();
 927   }
 928   virtual void ActivateWindowDirect(aura::Window* window) OVERRIDE {
 929     ui::test::EventGenerator generator(root_window(), window);
 930     generator.ClickLeftButton();
 931   }
 932   virtual void DeactivateWindowDirect(aura::Window* window) OVERRIDE {
 933     aura::Window* next_activatable =
 934         test_focus_rules()->GetNextActivatableWindow(window);
 935     ui::test::EventGenerator generator(root_window(), next_activatable);
 936     generator.ClickLeftButton();
 937   }
 938   virtual bool IsInputEvent() OVERRIDE { return true; }
 939
 940   DISALLOW_COPY_AND_ASSIGN(FocusControllerMouseEventTest);
 941 };
 942
 943 class FocusControllerGestureEventTest : public FocusControllerDirectTestBase {
 944  public:
 945   FocusControllerGestureEventTest() {}
 946
 947  private:
 948   // Overridden from FocusControllerTestBase:
 949   virtual void FocusWindowDirect(aura::Window* window) OVERRIDE {
 950     ui::test::EventGenerator generator(root_window(), window);
 951     generator.GestureTapAt(window->bounds().CenterPoint());
 952   }
 953   virtual void ActivateWindowDirect(aura::Window* window) OVERRIDE {
 954     ui::test::EventGenerator generator(root_window(), window);
 955     generator.GestureTapAt(window->bounds().CenterPoint());
 956   }
 957   virtual void DeactivateWindowDirect(aura::Window* window) OVERRIDE {
 958     aura::Window* next_activatable =
 959         test_focus_rules()->GetNextActivatableWindow(window);
 960     ui::test::EventGenerator generator(root_window(), next_activatable);
 961     generator.GestureTapAt(window->bounds().CenterPoint());
 962   }
 963   virtual bool IsInputEvent() OVERRIDE { return true; }
 964
 965   DISALLOW_COPY_AND_ASSIGN(FocusControllerGestureEventTest);
 966 };
 967
 968 // Test base for tests where focus is implicitly set to a window as the result
 969 // of a disposition change to the focused window or the hierarchy that contains
 970 // it.
 971 class FocusControllerImplicitTestBase : public FocusControllerTestBase {
 972  protected:
 973   explicit FocusControllerImplicitTestBase(bool parent) : parent_(parent) {}
 974
 975   aura::Window* GetDispositionWindow(aura::Window* window) {
 976     return parent_ ? window->parent() : window;
 977   }
 978
 979   // Change the disposition of |window| in such a way as it will lose focus.
 980   virtual void ChangeWindowDisposition(aura::Window* window) = 0;
 981
 982   // Allow each disposition change test to add additional post-disposition
 983   // change expectations.
 984   virtual void PostDispostionChangeExpectations() {}
 985
 986   // Overridden from FocusControllerTestBase:
 987   virtual void BasicFocus() OVERRIDE {
 988     EXPECT_EQ(NULL, GetFocusedWindow());
 989
 990     aura::Window* w211 = root_window()->GetChildById(211);
 991     FocusWindow(w211);
 992     EXPECT_EQ(211, GetFocusedWindowId());
 993
 994     ChangeWindowDisposition(w211);
 995     // BasicFocusRules passes focus to the parent.
 996     EXPECT_EQ(parent_ ? 2 : 21, GetFocusedWindowId());
 997   }
 998   virtual void BasicActivation() OVERRIDE {
 999     DCHECK(!parent_) << "Activation tests don't support parent changes.";
1000
1001     EXPECT_EQ(NULL, GetActiveWindow());
1002
1003     aura::Window* w2 = root_window()->GetChildById(2);
1004     ActivateWindow(w2);
1005     EXPECT_EQ(2, GetActiveWindowId());
1006
1007     ChangeWindowDisposition(w2);
1008     EXPECT_EQ(3, GetActiveWindowId());
1009     PostDispostionChangeExpectations();
1010   }
1011   virtual void FocusEvents() OVERRIDE {
1012     aura::Window* w211 = root_window()->GetChildById(211);
1013     FocusWindow(w211);
1014
1015     ScopedFocusNotificationObserver root_observer(root_window());
1016     ScopedTargetFocusNotificationObserver observer211(root_window(), 211);
1017     root_observer.ExpectCounts(0, 0);
1018     observer211.ExpectCounts(0, 0);
1019
1020     ChangeWindowDisposition(w211);
1021     root_observer.ExpectCounts(0, 1);
1022     observer211.ExpectCounts(0, 1);
1023   }
1024   virtual void ActivationEvents() OVERRIDE {
1025     DCHECK(!parent_) << "Activation tests don't support parent changes.";
1026
1027     aura::Window* w2 = root_window()->GetChildById(2);
1028     ActivateWindow(w2);
1029
1030     ScopedFocusNotificationObserver root_observer(root_window());
1031     ScopedTargetFocusNotificationObserver observer2(root_window(), 2);
1032     ScopedTargetFocusNotificationObserver observer3(root_window(), 3);
1033     root_observer.ExpectCounts(0, 0);
1034     observer2.ExpectCounts(0, 0);
1035     observer3.ExpectCounts(0, 0);
1036
1037     ChangeWindowDisposition(w2);
1038     root_observer.ExpectCounts(1, 1);
1039     observer2.ExpectCounts(1, 1);
1040     observer3.ExpectCounts(1, 1);
1041   }
1042   virtual void FocusRulesOverride() OVERRIDE {
1043     EXPECT_EQ(NULL, GetFocusedWindow());
1044     aura::Window* w211 = root_window()->GetChildById(211);
1045     FocusWindow(w211);
1046     EXPECT_EQ(211, GetFocusedWindowId());
1047
1048     test_focus_rules()->set_focus_restriction(root_window()->GetChildById(11));
1049     ChangeWindowDisposition(w211);
1050     // Normally, focus would shift to the parent (w21) but the override shifts
1051     // it to 11.
1052     EXPECT_EQ(11, GetFocusedWindowId());
1053
1054     test_focus_rules()->set_focus_restriction(NULL);
1055   }
1056   virtual void ActivationRulesOverride() OVERRIDE {
1057     DCHECK(!parent_) << "Activation tests don't support parent changes.";
1058
1059     aura::Window* w1 = root_window()->GetChildById(1);
1060     ActivateWindow(w1);
1061
1062     EXPECT_EQ(1, GetActiveWindowId());
1063     EXPECT_EQ(1, GetFocusedWindowId());
1064
1065     aura::Window* w3 = root_window()->GetChildById(3);
1066     test_focus_rules()->set_focus_restriction(w3);
1067
1068     // Normally, activation/focus would move to w2, but since we have a focus
1069     // restriction, it should move to w3 instead.
1070     ChangeWindowDisposition(w1);
1071     EXPECT_EQ(3, GetActiveWindowId());
1072     EXPECT_EQ(3, GetFocusedWindowId());
1073
1074     test_focus_rules()->set_focus_restriction(NULL);
1075     ActivateWindow(root_window()->GetChildById(2));
1076     EXPECT_EQ(2, GetActiveWindowId());
1077     EXPECT_EQ(2, GetFocusedWindowId());
1078   }
1079
1080  private:
1081   // When true, the disposition change occurs to the parent of the window
1082   // instead of to the window. This verifies that changes occurring in the
1083   // hierarchy that contains the window affect the window's focus.
1084   bool parent_;
1085
1086   DISALLOW_COPY_AND_ASSIGN(FocusControllerImplicitTestBase);
1087 };
1088
1089 // Focus and Activation changes in response to window visibility changes.
1090 class FocusControllerHideTest : public FocusControllerImplicitTestBase {
1091  public:
1092   FocusControllerHideTest() : FocusControllerImplicitTestBase(false) {}
1093
1094  protected:
1095   FocusControllerHideTest(bool parent)
1096       : FocusControllerImplicitTestBase(parent) {}
1097
1098   // Overridden from FocusControllerImplicitTestBase:
1099   virtual void ChangeWindowDisposition(aura::Window* window) OVERRIDE {
1100     GetDispositionWindow(window)->Hide();
1101   }
1102
1103  private:
1104   DISALLOW_COPY_AND_ASSIGN(FocusControllerHideTest);
1105 };
1106
1107 // Focus and Activation changes in response to window parent visibility
1108 // changes.
1109 class FocusControllerParentHideTest : public FocusControllerHideTest {
1110  public:
1111   FocusControllerParentHideTest() : FocusControllerHideTest(true) {}
1112
1113  private:
1114   DISALLOW_COPY_AND_ASSIGN(FocusControllerParentHideTest);
1115 };
1116
1117 // Focus and Activation changes in response to window destruction.
1118 class FocusControllerDestructionTest : public FocusControllerImplicitTestBase {
1119  public:
1120   FocusControllerDestructionTest() : FocusControllerImplicitTestBase(false) {}
1121
1122  protected:
1123   FocusControllerDestructionTest(bool parent)
1124       : FocusControllerImplicitTestBase(parent) {}
1125
1126   // Overridden from FocusControllerImplicitTestBase:
1127   virtual void ChangeWindowDisposition(aura::Window* window) OVERRIDE {
1128     delete GetDispositionWindow(window);
1129   }
1130
1131  private:
1132   DISALLOW_COPY_AND_ASSIGN(FocusControllerDestructionTest);
1133 };
1134
1135 // Focus and Activation changes in response to window parent destruction.
1136 class FocusControllerParentDestructionTest
1137     : public FocusControllerDestructionTest {
1138  public:
1139   FocusControllerParentDestructionTest()
1140       : FocusControllerDestructionTest(true) {}
1141
1142  private:
1143   DISALLOW_COPY_AND_ASSIGN(FocusControllerParentDestructionTest);
1144 };
1145
1146 // Focus and Activation changes in response to window removal.
1147 class FocusControllerRemovalTest : public FocusControllerImplicitTestBase {
1148  public:
1149   FocusControllerRemovalTest() : FocusControllerImplicitTestBase(false) {}
1150
1151  protected:
1152   FocusControllerRemovalTest(bool parent)
1153       : FocusControllerImplicitTestBase(parent) {}
1154
1155   // Overridden from FocusControllerImplicitTestBase:
1156   virtual void ChangeWindowDisposition(aura::Window* window) OVERRIDE {
1157     aura::Window* disposition_window = GetDispositionWindow(window);
1158     disposition_window->parent()->RemoveChild(disposition_window);
1159     window_owner_.reset(disposition_window);
1160   }
1161   virtual void TearDown() OVERRIDE {
1162     window_owner_.reset();
1163     FocusControllerImplicitTestBase::TearDown();
1164   }
1165
1166  private:
1167   scoped_ptr<aura::Window> window_owner_;
1168
1169   DISALLOW_COPY_AND_ASSIGN(FocusControllerRemovalTest);
1170 };
1171
1172 // Focus and Activation changes in response to window parent removal.
1173 class FocusControllerParentRemovalTest : public FocusControllerRemovalTest {
1174  public:
1175   FocusControllerParentRemovalTest() : FocusControllerRemovalTest(true) {}
1176
1177  private:
1178   DISALLOW_COPY_AND_ASSIGN(FocusControllerParentRemovalTest);
1179 };
1180
1181
1182 #define FOCUS_CONTROLLER_TEST(TESTCLASS, TESTNAME) \
1183     TEST_F(TESTCLASS, TESTNAME) { TESTNAME(); }
1184
1185 // Runs direct focus change tests (input events and API calls).
1186 #define DIRECT_FOCUS_CHANGE_TESTS(TESTNAME) \
1187     FOCUS_CONTROLLER_TEST(FocusControllerApiTest, TESTNAME) \
1188     FOCUS_CONTROLLER_TEST(FocusControllerMouseEventTest, TESTNAME) \
1189     FOCUS_CONTROLLER_TEST(FocusControllerGestureEventTest, TESTNAME)
1190
1191 // Runs implicit focus change tests for disposition changes to target.
1192 #define IMPLICIT_FOCUS_CHANGE_TARGET_TESTS(TESTNAME) \
1193     FOCUS_CONTROLLER_TEST(FocusControllerHideTest, TESTNAME) \
1194     FOCUS_CONTROLLER_TEST(FocusControllerDestructionTest, TESTNAME) \
1195     FOCUS_CONTROLLER_TEST(FocusControllerRemovalTest, TESTNAME)
1196
1197 // Runs implicit focus change tests for disposition changes to target's parent
1198 // hierarchy.
1199 #define IMPLICIT_FOCUS_CHANGE_PARENT_TESTS(TESTNAME) \
1200     /* TODO(beng): parent destruction tests are not supported at
1201        present due to workspace manager issues. \
1202     FOCUS_CONTROLLER_TEST(FocusControllerParentDestructionTest, TESTNAME) */ \
1203     FOCUS_CONTROLLER_TEST(FocusControllerParentHideTest, TESTNAME) \
1204     FOCUS_CONTROLLER_TEST(FocusControllerParentRemovalTest, TESTNAME)
1205
1206 // Runs all implicit focus change tests (changes to the target and target's
1207 // parent hierarchy)
1208 #define IMPLICIT_FOCUS_CHANGE_TESTS(TESTNAME) \
1209     IMPLICIT_FOCUS_CHANGE_TARGET_TESTS(TESTNAME) \
1210     IMPLICIT_FOCUS_CHANGE_PARENT_TESTS(TESTNAME)
1211
1212 // Runs all possible focus change tests.
1213 #define ALL_FOCUS_TESTS(TESTNAME) \
1214     DIRECT_FOCUS_CHANGE_TESTS(TESTNAME) \
1215     IMPLICIT_FOCUS_CHANGE_TESTS(TESTNAME)
1216
1217 // Runs focus change tests that apply only to the target. For example,
1218 // implicit activation changes caused by window disposition changes do not
1219 // occur when changes to the containing hierarchy happen.
1220 #define TARGET_FOCUS_TESTS(TESTNAME) \
1221     DIRECT_FOCUS_CHANGE_TESTS(TESTNAME) \
1222     IMPLICIT_FOCUS_CHANGE_TARGET_TESTS(TESTNAME)
1223
1224 // - Focuses a window, verifies that focus changed.
1225 ALL_FOCUS_TESTS(BasicFocus);
1226
1227 // - Activates a window, verifies that activation changed.
1228 TARGET_FOCUS_TESTS(BasicActivation);
1229
1230 // - Focuses a window, verifies that focus events were dispatched.
1231 ALL_FOCUS_TESTS(FocusEvents);
1232
1233 // - Focuses or activates a window multiple times, verifies that events are only
1234 //   dispatched when focus/activation actually changes.
1235 DIRECT_FOCUS_CHANGE_TESTS(DuplicateFocusEvents);
1236 DIRECT_FOCUS_CHANGE_TESTS(DuplicateActivationEvents);
1237
1238 // - Activates a window, verifies that activation events were dispatched.
1239 TARGET_FOCUS_TESTS(ActivationEvents);
1240
1241 // - Attempts to active a hidden window, verifies that current window is
1242 //   attempted to be reactivated and the appropriate event dispatched.
1243 FOCUS_CONTROLLER_TEST(FocusControllerApiTest, ReactivationEvents);
1244
1245 // - Input events/API calls shift focus between focusable windows within the
1246 //   active window.
1247 DIRECT_FOCUS_CHANGE_TESTS(ShiftFocusWithinActiveWindow);
1248
1249 // - Input events/API calls to a child window of an inactive window shifts
1250 //   activation to the activatable parent and focuses the child.
1251 DIRECT_FOCUS_CHANGE_TESTS(ShiftFocusToChildOfInactiveWindow);
1252
1253 // - Input events/API calls to focus the parent of the focused window do not
1254 //   shift focus away from the child.
1255 DIRECT_FOCUS_CHANGE_TESTS(ShiftFocusToParentOfFocusedWindow);
1256
1257 // - Verifies that FocusRules determine what can be focused.
1258 ALL_FOCUS_TESTS(FocusRulesOverride);
1259
1260 // - Verifies that FocusRules determine what can be activated.
1261 TARGET_FOCUS_TESTS(ActivationRulesOverride);
1262
1263 // - Verifies that attempts to change focus or activation from a focus or
1264 //   activation change observer are ignored.
1265 DIRECT_FOCUS_CHANGE_TESTS(ShiftFocusOnActivation);
1266 DIRECT_FOCUS_CHANGE_TESTS(ShiftFocusOnActivationDueToHide);
1267 DIRECT_FOCUS_CHANGE_TESTS(NoShiftActiveOnActivation);
1268
1269 // Clicking on a window which has capture should not result in a focus change.
1270 DIRECT_FOCUS_CHANGE_TESTS(NoFocusChangeOnClickOnCaptureWindow);
1271
1272 FOCUS_CONTROLLER_TEST(FocusControllerApiTest,
1273                       ChangeFocusWhenNothingFocusedAndCaptured);
1274
1275 // See description above DontPassDeletedWindow() for details.
1276 FOCUS_CONTROLLER_TEST(FocusControllerApiTest, DontPassDeletedWindow);
1277
1278 // - Verifies that the focused text input client is cleard when the window focus
1279 //   changes.
1280 ALL_FOCUS_TESTS(FocusedTextInputClient);
1281
1282 // If a mouse event was handled, it should not activate a window.
1283 FOCUS_CONTROLLER_TEST(FocusControllerMouseEventTest, IgnoreHandledEvent);
1284
1285 }  // namespace wm