src/chrome/browser/ui/views/ash/tab_scrubber_browsertest.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 "chrome/browser/ui/views/ash/tab_scrubber.h"
   6
   7 #include "ash/display/event_transformation_handler.h"
   8 #include "ash/shell.h"
   9 #include "base/command_line.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/message_loop/message_loop.h"
  12 #include "base/message_loop/message_loop_proxy.h"
  13 #include "chrome/browser/ui/browser_tabstrip.h"
  14 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  15 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
  16 #include "chrome/browser/ui/views/frame/browser_view.h"
  17 #include "chrome/browser/ui/views/tabs/tab.h"
  18 #include "chrome/browser/ui/views/tabs/tab_strip.h"
  19 #include "chrome/common/chrome_switches.h"
  20 #include "chrome/test/base/in_process_browser_test.h"
  21 #include "content/public/browser/notification_service.h"
  22 #include "content/public/common/url_constants.h"
  23 #include "content/public/test/test_utils.h"
  24 #include "ui/aura/window.h"
  25 #include "ui/events/event_utils.h"
  26 #include "ui/events/test/event_generator.h"
  27
  28 #if defined(OS_CHROMEOS)
  29 #include "chromeos/chromeos_switches.h"
  30 #endif
  31
  32 namespace {
  33
  34 class TabScrubberTest : public InProcessBrowserTest,
  35                         public TabStripModelObserver {
  36  public:
  37   TabScrubberTest()
  38       : target_index_(-1) {
  39   }
  40
  41   void SetUpCommandLine(CommandLine* command_line) override {
  42 #if defined(OS_CHROMEOS)
  43     command_line->AppendSwitch(chromeos::switches::kNaturalScrollDefault);
  44 #endif
  45     command_line->AppendSwitch(switches::kOpenAsh);
  46   }
  47
  48   void SetUpOnMainThread() override {
  49     TabScrubber::GetInstance()->set_activation_delay(0);
  50
  51     // Disable external monitor scaling of coordinates.
  52     ash::Shell* shell = ash::Shell::GetInstance();
  53     shell->event_transformation_handler()->set_transformation_mode(
  54         ash::EventTransformationHandler::TRANSFORM_NONE);
  55   }
  56
  57   void TearDownOnMainThread() override {
  58     browser()->tab_strip_model()->RemoveObserver(this);
  59   }
  60
  61   TabStrip* GetTabStrip(Browser* browser) {
  62     aura::Window* window = browser->window()->GetNativeWindow();
  63     return BrowserView::GetBrowserViewForNativeWindow(window)->tabstrip();
  64   }
  65
  66   float GetStartX(Browser* browser,
  67                   int index,
  68                   TabScrubber::Direction direction) {
  69     return static_cast<float>(TabScrubber::GetStartPoint(
  70         GetTabStrip(browser), index, direction).x());
  71   }
  72
  73   float GetTabCenter(Browser* browser, int index) {
  74     return static_cast<float>(
  75         GetTabStrip(browser)->tab_at(index)->bounds().CenterPoint().x());
  76   }
  77
  78   // Sends one scroll event synchronously without initial or final
  79   // fling events.
  80   void SendScrubEvent(Browser* browser, int index) {
  81     aura::Window* window = browser->window()->GetNativeWindow();
  82     aura::Window* root = window->GetRootWindow();
  83     ui::test::EventGenerator event_generator(root, window);
  84     int active_index = browser->tab_strip_model()->active_index();
  85     TabScrubber::Direction direction = index < active_index ?
  86         TabScrubber::LEFT : TabScrubber::RIGHT;
  87     float offset = GetTabCenter(browser, index) -
  88         GetStartX(browser, active_index, direction);
  89     ui::ScrollEvent scroll_event(ui::ET_SCROLL,
  90                                  gfx::PointF(0, 0),
  91                                  ui::EventTimeForNow(),
  92                                  0,
  93                                  offset, 0,
  94                                  offset, 0,
  95                                  3);
  96     event_generator.Dispatch(&scroll_event);
  97   }
  98
  99   enum ScrubType {
 100     EACH_TAB,
 101     SKIP_TABS,
 102     REPEAT_TABS,
 103   };
 104
 105   // Sends asynchronous events and waits for tab at |index| to become
 106   // active.
 107   void Scrub(Browser* browser, int index, ScrubType scrub_type) {
 108     aura::Window* window = browser->window()->GetNativeWindow();
 109     aura::Window* root = window->GetRootWindow();
 110     ui::test::EventGenerator event_generator(root, window);
 111     event_generator.set_async(true);
 112     activation_order_.clear();
 113     int active_index = browser->tab_strip_model()->active_index();
 114     ASSERT_NE(index, active_index);
 115     ASSERT_TRUE(scrub_type != SKIP_TABS || ((index - active_index) % 2) == 0);
 116     TabScrubber::Direction direction;
 117     int increment;
 118     if (index < active_index) {
 119       direction = TabScrubber::LEFT;
 120       increment = -1;
 121     } else {
 122       direction = TabScrubber::RIGHT;
 123       increment = 1;
 124     }
 125     if (scrub_type == SKIP_TABS)
 126       increment *= 2;
 127     float last = GetStartX(browser, active_index, direction);
 128     std::vector<gfx::PointF> offsets;
 129     for (int i = active_index + increment; i != (index + increment);
 130          i += increment) {
 131       float tab_center = GetTabCenter(browser, i);
 132       offsets.push_back(gfx::PointF(tab_center - last, 0));
 133       last = GetStartX(browser, i, direction);
 134       if (scrub_type == REPEAT_TABS) {
 135         offsets.push_back(gfx::PointF(static_cast<float>(increment), 0));
 136         last += increment;
 137       }
 138     }
 139     event_generator.ScrollSequence(gfx::Point(0, 0),
 140                                    base::TimeDelta::FromMilliseconds(100),
 141                                    offsets,
 142                                    3);
 143     RunUntilTabActive(browser, index);
 144   }
 145
 146   // Sends events and waits for tab at |index| to become active
 147   // if it's different from the currently active tab.
 148   // If the active tab is expected to stay the same, send events
 149   // synchronously (as we don't have anything to wait for).
 150   void SendScrubSequence(Browser* browser, float x_offset, int index) {
 151     aura::Window* window = browser->window()->GetNativeWindow();
 152     aura::Window* root = window->GetRootWindow();
 153     ui::test::EventGenerator event_generator(root, window);
 154     bool wait_for_active = false;
 155     if (index != browser->tab_strip_model()->active_index()) {
 156       wait_for_active = true;
 157       event_generator.set_async(true);
 158     }
 159     event_generator.ScrollSequence(gfx::Point(0, 0),
 160                                    ui::EventTimeForNow(),
 161                                    x_offset,
 162                                    0,
 163                                    1,
 164                                    3);
 165     if (wait_for_active)
 166       RunUntilTabActive(browser, index);
 167   }
 168
 169   void AddTabs(Browser* browser, int num_tabs) {
 170     TabStrip* tab_strip = GetTabStrip(browser);
 171     for (int i = 0; i < num_tabs; ++i)
 172       AddBlankTabAndShow(browser);
 173     ASSERT_EQ(num_tabs + 1, browser->tab_strip_model()->count());
 174     ASSERT_EQ(num_tabs, browser->tab_strip_model()->active_index());
 175     tab_strip->StopAnimating(true);
 176     ASSERT_FALSE(tab_strip->IsAnimating());
 177   }
 178
 179   // TabStripModelObserver overrides.
 180   void TabInsertedAt(content::WebContents* contents,
 181                      int index,
 182                      bool foreground) override {}
 183   void TabClosingAt(TabStripModel* tab_strip_model,
 184                     content::WebContents* contents,
 185                     int index) override {}
 186   void TabDetachedAt(content::WebContents* contents, int index) override {}
 187   void TabDeactivated(content::WebContents* contents) override {}
 188   void ActiveTabChanged(content::WebContents* old_contents,
 189                         content::WebContents* new_contents,
 190                         int index,
 191                         int reason) override {
 192     activation_order_.push_back(index);
 193     if (index == target_index_)
 194       quit_closure_.Run();
 195   }
 196
 197   void TabSelectionChanged(TabStripModel* tab_strip_model,
 198                            const ui::ListSelectionModel& old_model) override {}
 199   void TabMoved(content::WebContents* contents,
 200                 int from_index,
 201                 int to_index) override {}
 202   void TabChangedAt(content::WebContents* contents,
 203                     int index,
 204                     TabChangeType change_type) override {}
 205   void TabReplacedAt(TabStripModel* tab_strip_model,
 206                      content::WebContents* old_contents,
 207                      content::WebContents* new_contents,
 208                      int index) override {}
 209   void TabPinnedStateChanged(content::WebContents* contents,
 210                              int index) override {}
 211   void TabMiniStateChanged(content::WebContents* contents, int index) override {
 212   }
 213   void TabBlockedStateChanged(content::WebContents* contents,
 214                               int index) override {}
 215   void TabStripEmpty() override {}
 216   void TabStripModelDeleted() override {}
 217
 218   // History of tab activation. Scrub() resets it.
 219   std::vector<int> activation_order_;
 220
 221  private:
 222   void RunUntilTabActive(Browser* browser, int target) {
 223     base::RunLoop run_loop;
 224     quit_closure_ = content::GetQuitTaskForRunLoop(&run_loop);
 225     browser->tab_strip_model()->AddObserver(this);
 226     target_index_ = target;
 227     content::RunThisRunLoop(&run_loop);
 228     browser->tab_strip_model()->RemoveObserver(this);
 229     target_index_ = -1;
 230   }
 231
 232   base::Closure quit_closure_;
 233   int target_index_;
 234
 235   DISALLOW_COPY_AND_ASSIGN(TabScrubberTest);
 236 };
 237
 238 }  // namespace
 239
 240 #if defined(OS_CHROMEOS)
 241 // Swipe a single tab in each direction.
 242 IN_PROC_BROWSER_TEST_F(TabScrubberTest, Single) {
 243   AddTabs(browser(), 1);
 244
 245   Scrub(browser(), 0, EACH_TAB);
 246   EXPECT_EQ(1U, activation_order_.size());
 247   EXPECT_EQ(0, activation_order_[0]);
 248   EXPECT_EQ(0, browser()->tab_strip_model()->active_index());
 249
 250   Scrub(browser(), 1, EACH_TAB);
 251   EXPECT_EQ(1U, activation_order_.size());
 252   EXPECT_EQ(1, activation_order_[0]);
 253   EXPECT_EQ(1, browser()->tab_strip_model()->active_index());
 254 }
 255
 256 // Swipe 4 tabs in each direction. Each of the tabs should become active.
 257 IN_PROC_BROWSER_TEST_F(TabScrubberTest, Multi) {
 258   AddTabs(browser(), 4);
 259
 260   Scrub(browser(), 0, EACH_TAB);
 261   ASSERT_EQ(4U, activation_order_.size());
 262   EXPECT_EQ(3, activation_order_[0]);
 263   EXPECT_EQ(2, activation_order_[1]);
 264   EXPECT_EQ(1, activation_order_[2]);
 265   EXPECT_EQ(0, activation_order_[3]);
 266   EXPECT_EQ(0, browser()->tab_strip_model()->active_index());
 267
 268   Scrub(browser(), 4, EACH_TAB);
 269   ASSERT_EQ(4U, activation_order_.size());
 270   EXPECT_EQ(1, activation_order_[0]);
 271   EXPECT_EQ(2, activation_order_[1]);
 272   EXPECT_EQ(3, activation_order_[2]);
 273   EXPECT_EQ(4, activation_order_[3]);
 274   EXPECT_EQ(4, browser()->tab_strip_model()->active_index());
 275 }
 276
 277 IN_PROC_BROWSER_TEST_F(TabScrubberTest, MultiBrowser) {
 278   AddTabs(browser(), 1);
 279   Scrub(browser(), 0, EACH_TAB);
 280   EXPECT_EQ(0, browser()->tab_strip_model()->active_index());
 281
 282   Browser* browser2 = CreateBrowser(browser()->profile());
 283   browser2->window()->Activate();
 284   ASSERT_TRUE(browser2->window()->IsActive());
 285   ASSERT_FALSE(browser()->window()->IsActive());
 286   AddTabs(browser2, 1);
 287
 288   Scrub(browser2, 0, EACH_TAB);
 289   EXPECT_EQ(0, browser2->tab_strip_model()->active_index());
 290 }
 291
 292 // Swipe 4 tabs in each direction with an extra swipe within each. The same
 293 // 4 tabs should become active.
 294 IN_PROC_BROWSER_TEST_F(TabScrubberTest, Repeated) {
 295   AddTabs(browser(), 4);
 296
 297   Scrub(browser(), 0, REPEAT_TABS);
 298   ASSERT_EQ(4U, activation_order_.size());
 299   EXPECT_EQ(3, activation_order_[0]);
 300   EXPECT_EQ(2, activation_order_[1]);
 301   EXPECT_EQ(1, activation_order_[2]);
 302   EXPECT_EQ(0, activation_order_[3]);
 303   EXPECT_EQ(0, browser()->tab_strip_model()->active_index());
 304
 305   Scrub(browser(), 4, REPEAT_TABS);
 306   ASSERT_EQ(4U, activation_order_.size());
 307   EXPECT_EQ(1, activation_order_[0]);
 308   EXPECT_EQ(2, activation_order_[1]);
 309   EXPECT_EQ(3, activation_order_[2]);
 310   EXPECT_EQ(4, activation_order_[3]);
 311   EXPECT_EQ(4, browser()->tab_strip_model()->active_index());
 312 }
 313
 314 // Confirm that we get the last tab made active when we skip tabs.
 315 // These tests have 5 total tabs. We will only received scroll events
 316 // on tabs 0, 2 and 4.
 317 IN_PROC_BROWSER_TEST_F(TabScrubberTest, Skipped) {
 318   AddTabs(browser(), 4);
 319
 320   Scrub(browser(), 0, SKIP_TABS);
 321   EXPECT_EQ(2U, activation_order_.size());
 322   EXPECT_EQ(2, activation_order_[0]);
 323   EXPECT_EQ(0, activation_order_[1]);
 324   EXPECT_EQ(0, browser()->tab_strip_model()->active_index());
 325
 326   Scrub(browser(), 4, SKIP_TABS);
 327   EXPECT_EQ(2U, activation_order_.size());
 328   EXPECT_EQ(2, activation_order_[0]);
 329   EXPECT_EQ(4, activation_order_[1]);
 330   EXPECT_EQ(4, browser()->tab_strip_model()->active_index());
 331 }
 332
 333 // Confirm that nothing happens when the swipe is small.
 334 IN_PROC_BROWSER_TEST_F(TabScrubberTest, NoChange) {
 335   AddTabs(browser(), 1);
 336
 337   SendScrubSequence(browser(), -1, 1);
 338   EXPECT_EQ(1, browser()->tab_strip_model()->active_index());
 339
 340   SendScrubSequence(browser(), 1, 1);
 341   EXPECT_EQ(1, browser()->tab_strip_model()->active_index());
 342 }
 343
 344 // Confirm that very large swipes go to the beginning and and of the tabstrip.
 345 IN_PROC_BROWSER_TEST_F(TabScrubberTest, Bounds) {
 346   AddTabs(browser(), 1);
 347
 348   SendScrubSequence(browser(), -10000, 0);
 349   EXPECT_EQ(0, browser()->tab_strip_model()->active_index());
 350
 351   SendScrubSequence(browser(), 10000, 1);
 352   EXPECT_EQ(1, browser()->tab_strip_model()->active_index());
 353 }
 354
 355 IN_PROC_BROWSER_TEST_F(TabScrubberTest, DeleteHighlighted) {
 356   AddTabs(browser(), 1);
 357
 358   SendScrubEvent(browser(), 0);
 359   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
 360   browser()->tab_strip_model()->CloseWebContentsAt(0,
 361                                                    TabStripModel::CLOSE_NONE);
 362   EXPECT_FALSE(TabScrubber::GetInstance()->IsActivationPending());
 363 }
 364
 365 // Delete the currently highlighted tab. Make sure the TabScrubber is aware.
 366 IN_PROC_BROWSER_TEST_F(TabScrubberTest, DeleteBeforeHighlighted) {
 367   AddTabs(browser(), 2);
 368
 369   SendScrubEvent(browser(), 1);
 370   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
 371   browser()->tab_strip_model()->CloseWebContentsAt(0,
 372                                                    TabStripModel::CLOSE_NONE);
 373   EXPECT_EQ(0, TabScrubber::GetInstance()->highlighted_tab());
 374 }
 375
 376 // Move the currently highlighted tab and confirm it gets tracked.
 377 IN_PROC_BROWSER_TEST_F(TabScrubberTest, MoveHighlighted) {
 378   AddTabs(browser(), 1);
 379
 380   SendScrubEvent(browser(), 0);
 381   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
 382   browser()->tab_strip_model()->ToggleSelectionAt(0);
 383   browser()->tab_strip_model()->ToggleSelectionAt(1);
 384   browser()->tab_strip_model()->MoveSelectedTabsTo(1);
 385   EXPECT_EQ(1, TabScrubber::GetInstance()->highlighted_tab());
 386 }
 387
 388 // Move a tab to before  the highlighted one.
 389 IN_PROC_BROWSER_TEST_F(TabScrubberTest, MoveBefore) {
 390   AddTabs(browser(), 2);
 391
 392   SendScrubEvent(browser(), 1);
 393   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
 394   browser()->tab_strip_model()->ToggleSelectionAt(0);
 395   browser()->tab_strip_model()->ToggleSelectionAt(2);
 396   browser()->tab_strip_model()->MoveSelectedTabsTo(2);
 397   EXPECT_EQ(0, TabScrubber::GetInstance()->highlighted_tab());
 398 }
 399
 400 // Move a tab to after the highlighted one.
 401 IN_PROC_BROWSER_TEST_F(TabScrubberTest, MoveAfter) {
 402   AddTabs(browser(), 2);
 403
 404   SendScrubEvent(browser(), 1);
 405   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
 406   browser()->tab_strip_model()->MoveSelectedTabsTo(0);
 407   EXPECT_EQ(2, TabScrubber::GetInstance()->highlighted_tab());
 408 }
 409
 410 // Close the browser while an activation is pending.
 411 IN_PROC_BROWSER_TEST_F(TabScrubberTest, CloseBrowser) {
 412   AddTabs(browser(), 1);
 413
 414   SendScrubEvent(browser(), 0);
 415   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
 416   browser()->window()->Close();
 417   EXPECT_FALSE(TabScrubber::GetInstance()->IsActivationPending());
 418 }
 419
 420 #endif  // defined(OS_CHROMEOS)