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 "chrome/test/base/ui_test_utils.h"
  22 #include "content/public/browser/notification_service.h"
  23 #include "content/public/common/url_constants.h"
  24 #include "content/public/test/test_utils.h"
  25 #include "ui/aura/window.h"
  26 #include "ui/events/event_utils.h"
  27 #include "ui/events/test/event_generator.h"
  28
  29 #if defined(OS_CHROMEOS)
  30 #include "chromeos/chromeos_switches.h"
  31 #endif
  32
  33 namespace {
  34
  35 class TabScrubberTest : public InProcessBrowserTest,
  36                         public TabStripModelObserver {
  37  public:
  38   TabScrubberTest()
  39       : target_index_(-1) {
  40   }
  41
  42   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
  43 #if defined(OS_CHROMEOS)
  44     command_line->AppendSwitch(chromeos::switches::kNaturalScrollDefault);
  45 #endif
  46     command_line->AppendSwitch(switches::kOpenAsh);
  47   }
  48
  49   virtual void SetUpOnMainThread() OVERRIDE {
  50     TabScrubber::GetInstance()->set_activation_delay(0);
  51
  52     // Disable external monitor scaling of coordinates.
  53     ash::Shell* shell = ash::Shell::GetInstance();
  54     shell->event_transformation_handler()->set_transformation_mode(
  55         ash::EventTransformationHandler::TRANSFORM_NONE);
  56   }
  57
  58   virtual void TearDownOnMainThread() OVERRIDE {
  59     browser()->tab_strip_model()->RemoveObserver(this);
  60   }
  61
  62   TabStrip* GetTabStrip(Browser* browser) {
  63     aura::Window* window = browser->window()->GetNativeWindow();
  64     return BrowserView::GetBrowserViewForNativeWindow(window)->tabstrip();
  65   }
  66
  67   int GetStartX(Browser* browser,
  68                 int index,
  69                 TabScrubber::Direction direction) {
  70     return TabScrubber::GetStartPoint(
  71         GetTabStrip(browser), index, direction).x();
  72   }
  73
  74   int GetTabCenter(Browser* browser, int index) {
  75     return 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     int offset = GetTabCenter(browser, index) -
  88         GetStartX(browser, active_index, direction);
  89     ui::ScrollEvent scroll_event(ui::ET_SCROLL,
  90                                  gfx::Point(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     int last = GetStartX(browser, active_index, direction);
 128     std::vector<gfx::Point> offsets;
 129     for (int i = active_index + increment; i != (index + increment);
 130         i += increment) {
 131       int tab_center = GetTabCenter(browser, i);
 132       offsets.push_back(gfx::Point(tab_center - last, 0));
 133       last = GetStartX(browser, i, direction);
 134       if (scrub_type == REPEAT_TABS) {
 135         offsets.push_back(gfx::Point(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, int 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   virtual void TabInsertedAt(content::WebContents* contents,
 181                              int index,
 182                              bool foreground) OVERRIDE {}
 183   virtual void TabClosingAt(TabStripModel* tab_strip_model,
 184                             content::WebContents* contents,
 185                             int index) OVERRIDE {}
 186   virtual void TabDetachedAt(content::WebContents* contents,
 187                              int index) OVERRIDE {}
 188   virtual void TabDeactivated(content::WebContents* contents) OVERRIDE {}
 189   virtual void ActiveTabChanged(content::WebContents* old_contents,
 190                                 content::WebContents* new_contents,
 191                                 int index,
 192                                 int reason) OVERRIDE {
 193     activation_order_.push_back(index);
 194     if (index == target_index_)
 195       quit_closure_.Run();
 196   }
 197
 198   virtual void TabSelectionChanged(
 199       TabStripModel* tab_strip_model,
 200       const ui::ListSelectionModel& old_model) OVERRIDE {}
 201   virtual void TabMoved(content::WebContents* contents,
 202                         int from_index,
 203                         int to_index) OVERRIDE {}
 204   virtual void TabChangedAt(content::WebContents* contents,
 205                             int index,
 206                             TabChangeType change_type) OVERRIDE {}
 207   virtual void TabReplacedAt(TabStripModel* tab_strip_model,
 208                              content::WebContents* old_contents,
 209                              content::WebContents* new_contents,
 210                              int index) OVERRIDE {}
 211   virtual void TabPinnedStateChanged(content::WebContents* contents,
 212                                      int index) OVERRIDE {}
 213   virtual void TabMiniStateChanged(content::WebContents* contents,
 214                                    int index) OVERRIDE {
 215   }
 216   virtual void TabBlockedStateChanged(content::WebContents* contents,
 217                                       int index) OVERRIDE {}
 218   virtual void TabStripEmpty() OVERRIDE {}
 219   virtual void TabStripModelDeleted() OVERRIDE {}
 220
 221   // History of tab activation. Scrub() resets it.
 222   std::vector<int> activation_order_;
 223
 224  private:
 225   void RunUntilTabActive(Browser* browser, int target) {
 226     base::RunLoop run_loop;
 227     quit_closure_ = content::GetQuitTaskForRunLoop(&run_loop);
 228     browser->tab_strip_model()->AddObserver(this);
 229     target_index_ = target;
 230     content::RunThisRunLoop(&run_loop);
 231     browser->tab_strip_model()->RemoveObserver(this);
 232     target_index_ = -1;
 233   }
 234
 235   base::Closure quit_closure_;
 236   int target_index_;
 237
 238   DISALLOW_COPY_AND_ASSIGN(TabScrubberTest);
 239 };
 240
 241 }  // namespace
 242
 243 #if defined(OS_CHROMEOS)
 244 // Swipe a single tab in each direction.
 245 IN_PROC_BROWSER_TEST_F(TabScrubberTest, Single) {
 246   AddTabs(browser(), 1);
 247
 248   Scrub(browser(), 0, EACH_TAB);
 249   EXPECT_EQ(1U, activation_order_.size());
 250   EXPECT_EQ(0, activation_order_[0]);
 251   EXPECT_EQ(0, browser()->tab_strip_model()->active_index());
 252
 253   Scrub(browser(), 1, EACH_TAB);
 254   EXPECT_EQ(1U, activation_order_.size());
 255   EXPECT_EQ(1, activation_order_[0]);
 256   EXPECT_EQ(1, browser()->tab_strip_model()->active_index());
 257 }
 258
 259 // Swipe 4 tabs in each direction. Each of the tabs should become active.
 260 IN_PROC_BROWSER_TEST_F(TabScrubberTest, Multi) {
 261   AddTabs(browser(), 4);
 262
 263   Scrub(browser(), 0, EACH_TAB);
 264   ASSERT_EQ(4U, activation_order_.size());
 265   EXPECT_EQ(3, activation_order_[0]);
 266   EXPECT_EQ(2, activation_order_[1]);
 267   EXPECT_EQ(1, activation_order_[2]);
 268   EXPECT_EQ(0, activation_order_[3]);
 269   EXPECT_EQ(0, browser()->tab_strip_model()->active_index());
 270
 271   Scrub(browser(), 4, EACH_TAB);
 272   ASSERT_EQ(4U, activation_order_.size());
 273   EXPECT_EQ(1, activation_order_[0]);
 274   EXPECT_EQ(2, activation_order_[1]);
 275   EXPECT_EQ(3, activation_order_[2]);
 276   EXPECT_EQ(4, activation_order_[3]);
 277   EXPECT_EQ(4, browser()->tab_strip_model()->active_index());
 278 }
 279
 280 IN_PROC_BROWSER_TEST_F(TabScrubberTest, MultiBrowser) {
 281   AddTabs(browser(), 1);
 282   Scrub(browser(), 0, EACH_TAB);
 283   EXPECT_EQ(0, browser()->tab_strip_model()->active_index());
 284
 285   Browser* browser2 = CreateBrowser(browser()->profile());
 286   browser2->window()->Activate();
 287   ASSERT_TRUE(browser2->window()->IsActive());
 288   ASSERT_FALSE(browser()->window()->IsActive());
 289   AddTabs(browser2, 1);
 290
 291   Scrub(browser2, 0, EACH_TAB);
 292   EXPECT_EQ(0, browser2->tab_strip_model()->active_index());
 293 }
 294
 295 // Swipe 4 tabs in each direction with an extra swipe within each. The same
 296 // 4 tabs should become active.
 297 IN_PROC_BROWSER_TEST_F(TabScrubberTest, Repeated) {
 298   AddTabs(browser(), 4);
 299
 300   Scrub(browser(), 0, REPEAT_TABS);
 301   ASSERT_EQ(4U, activation_order_.size());
 302   EXPECT_EQ(3, activation_order_[0]);
 303   EXPECT_EQ(2, activation_order_[1]);
 304   EXPECT_EQ(1, activation_order_[2]);
 305   EXPECT_EQ(0, activation_order_[3]);
 306   EXPECT_EQ(0, browser()->tab_strip_model()->active_index());
 307
 308   Scrub(browser(), 4, REPEAT_TABS);
 309   ASSERT_EQ(4U, activation_order_.size());
 310   EXPECT_EQ(1, activation_order_[0]);
 311   EXPECT_EQ(2, activation_order_[1]);
 312   EXPECT_EQ(3, activation_order_[2]);
 313   EXPECT_EQ(4, activation_order_[3]);
 314   EXPECT_EQ(4, browser()->tab_strip_model()->active_index());
 315 }
 316
 317 // Confirm that we get the last tab made active when we skip tabs.
 318 // These tests have 5 total tabs. We will only received scroll events
 319 // on tabs 0, 2 and 4.
 320 IN_PROC_BROWSER_TEST_F(TabScrubberTest, Skipped) {
 321   AddTabs(browser(), 4);
 322
 323   Scrub(browser(), 0, SKIP_TABS);
 324   EXPECT_EQ(2U, activation_order_.size());
 325   EXPECT_EQ(2, activation_order_[0]);
 326   EXPECT_EQ(0, activation_order_[1]);
 327   EXPECT_EQ(0, browser()->tab_strip_model()->active_index());
 328
 329   Scrub(browser(), 4, SKIP_TABS);
 330   EXPECT_EQ(2U, activation_order_.size());
 331   EXPECT_EQ(2, activation_order_[0]);
 332   EXPECT_EQ(4, activation_order_[1]);
 333   EXPECT_EQ(4, browser()->tab_strip_model()->active_index());
 334 }
 335
 336 // Confirm that nothing happens when the swipe is small.
 337 IN_PROC_BROWSER_TEST_F(TabScrubberTest, NoChange) {
 338   AddTabs(browser(), 1);
 339
 340   SendScrubSequence(browser(), -1, 1);
 341   EXPECT_EQ(1, browser()->tab_strip_model()->active_index());
 342
 343   SendScrubSequence(browser(), 1, 1);
 344   EXPECT_EQ(1, browser()->tab_strip_model()->active_index());
 345 }
 346
 347 // Confirm that very large swipes go to the beginning and and of the tabstrip.
 348 IN_PROC_BROWSER_TEST_F(TabScrubberTest, Bounds) {
 349   AddTabs(browser(), 1);
 350
 351   SendScrubSequence(browser(), -10000, 0);
 352   EXPECT_EQ(0, browser()->tab_strip_model()->active_index());
 353
 354   SendScrubSequence(browser(), 10000, 1);
 355   EXPECT_EQ(1, browser()->tab_strip_model()->active_index());
 356 }
 357
 358 IN_PROC_BROWSER_TEST_F(TabScrubberTest, DeleteHighlighted) {
 359   AddTabs(browser(), 1);
 360
 361   SendScrubEvent(browser(), 0);
 362   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
 363   browser()->tab_strip_model()->CloseWebContentsAt(0,
 364                                                    TabStripModel::CLOSE_NONE);
 365   EXPECT_FALSE(TabScrubber::GetInstance()->IsActivationPending());
 366 }
 367
 368 // Delete the currently highlighted tab. Make sure the TabScrubber is aware.
 369 IN_PROC_BROWSER_TEST_F(TabScrubberTest, DeleteBeforeHighlighted) {
 370   AddTabs(browser(), 2);
 371
 372   SendScrubEvent(browser(), 1);
 373   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
 374   browser()->tab_strip_model()->CloseWebContentsAt(0,
 375                                                    TabStripModel::CLOSE_NONE);
 376   EXPECT_EQ(0, TabScrubber::GetInstance()->highlighted_tab());
 377 }
 378
 379 // Move the currently highlighted tab and confirm it gets tracked.
 380 IN_PROC_BROWSER_TEST_F(TabScrubberTest, MoveHighlighted) {
 381   AddTabs(browser(), 1);
 382
 383   SendScrubEvent(browser(), 0);
 384   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
 385   browser()->tab_strip_model()->ToggleSelectionAt(0);
 386   browser()->tab_strip_model()->ToggleSelectionAt(1);
 387   browser()->tab_strip_model()->MoveSelectedTabsTo(1);
 388   EXPECT_EQ(1, TabScrubber::GetInstance()->highlighted_tab());
 389 }
 390
 391 // Move a tab to before  the highlighted one.
 392 IN_PROC_BROWSER_TEST_F(TabScrubberTest, MoveBefore) {
 393   AddTabs(browser(), 2);
 394
 395   SendScrubEvent(browser(), 1);
 396   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
 397   browser()->tab_strip_model()->ToggleSelectionAt(0);
 398   browser()->tab_strip_model()->ToggleSelectionAt(2);
 399   browser()->tab_strip_model()->MoveSelectedTabsTo(2);
 400   EXPECT_EQ(0, TabScrubber::GetInstance()->highlighted_tab());
 401 }
 402
 403 // Move a tab to after the highlighted one.
 404 IN_PROC_BROWSER_TEST_F(TabScrubberTest, MoveAfter) {
 405   AddTabs(browser(), 2);
 406
 407   SendScrubEvent(browser(), 1);
 408   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
 409   browser()->tab_strip_model()->MoveSelectedTabsTo(0);
 410   EXPECT_EQ(2, TabScrubber::GetInstance()->highlighted_tab());
 411 }
 412
 413 // Close the browser while an activation is pending.
 414 IN_PROC_BROWSER_TEST_F(TabScrubberTest, CloseBrowser) {
 415   AddTabs(browser(), 1);
 416
 417   SendScrubEvent(browser(), 0);
 418   EXPECT_TRUE(TabScrubber::GetInstance()->IsActivationPending());
 419   browser()->window()->Close();
 420   EXPECT_FALSE(TabScrubber::GetInstance()->IsActivationPending());
 421 }
 422
 423 #endif  // defined(OS_CHROMEOS)