content/browser/web_contents/web_contents_view_aura_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 "content/browser/web_contents/web_contents_view_aura.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/run_loop.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "base/test/test_timeouts.h"
  11 #include "base/values.h"
  12 #if defined(OS_WIN)
  13 #include "base/win/windows_version.h"
  14 #endif
  15 #include "content/browser/frame_host/navigation_controller_impl.h"
  16 #include "content/browser/frame_host/navigation_entry_impl.h"
  17 #include "content/browser/frame_host/navigation_entry_screenshot_manager.h"
  18 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
  19 #include "content/browser/web_contents/web_contents_impl.h"
  20 #include "content/browser/web_contents/web_contents_view.h"
  21 #include "content/common/input/synthetic_web_input_event_builders.h"
  22 #include "content/common/input_messages.h"
  23 #include "content/common/view_messages.h"
  24 #include "content/public/browser/browser_message_filter.h"
  25 #include "content/public/browser/render_frame_host.h"
  26 #include "content/public/browser/web_contents_delegate.h"
  27 #include "content/public/browser/web_contents_observer.h"
  28 #include "content/public/common/content_switches.h"
  29 #include "content/public/test/browser_test_utils.h"
  30 #include "content/public/test/content_browser_test.h"
  31 #include "content/public/test/content_browser_test_utils.h"
  32 #include "content/public/test/test_renderer_host.h"
  33 #include "content/public/test/test_utils.h"
  34 #include "content/shell/browser/shell.h"
  35 #include "ui/aura/window.h"
  36 #include "ui/aura/window_tree_host.h"
  37 #include "ui/compositor/scoped_animation_duration_scale_mode.h"
  38 #include "ui/events/event_processor.h"
  39 #include "ui/events/event_switches.h"
  40 #include "ui/events/event_utils.h"
  41 #include "ui/events/test/event_generator.h"
  42
  43 namespace {
  44
  45 // TODO(tdresser): Find a way to avoid sleeping like this. See crbug.com/405282
  46 // for details.
  47 void GiveItSomeTime() {
  48   base::RunLoop run_loop;
  49   base::MessageLoop::current()->PostDelayedTask(
  50       FROM_HERE,
  51       run_loop.QuitClosure(),
  52       base::TimeDelta::FromMillisecondsD(10));
  53   run_loop.Run();
  54 }
  55
  56 // WebContentsDelegate which tracks vertical overscroll updates.
  57 class VerticalOverscrollTracker : public content::WebContentsDelegate {
  58  public:
  59   VerticalOverscrollTracker() : count_(0), completed_(false) {}
  60   ~VerticalOverscrollTracker() override {}
  61
  62   int num_overscroll_updates() const {
  63     return count_;
  64   }
  65
  66   bool overscroll_completed() const {
  67     return completed_;
  68   }
  69
  70   void Reset() {
  71     count_ = 0;
  72     completed_ = false;
  73   }
  74
  75  private:
  76   bool CanOverscrollContent() const override { return true; }
  77
  78   void OverscrollUpdate(float delta_y) override { ++count_; }
  79
  80   void OverscrollComplete() override { completed_ = true; }
  81
  82   int count_;
  83   bool completed_;
  84
  85   DISALLOW_COPY_AND_ASSIGN(VerticalOverscrollTracker);
  86 };
  87
  88 }  //namespace
  89
  90
  91 namespace content {
  92
  93 // This class keeps track of the RenderViewHost whose screenshot was captured.
  94 class ScreenshotTracker : public NavigationEntryScreenshotManager {
  95  public:
  96   explicit ScreenshotTracker(NavigationControllerImpl* controller)
  97       : NavigationEntryScreenshotManager(controller),
  98         screenshot_taken_for_(NULL),
  99         waiting_for_screenshots_(0) {
 100   }
 101
 102   ~ScreenshotTracker() override {}
 103
 104   RenderViewHost* screenshot_taken_for() { return screenshot_taken_for_; }
 105
 106   void Reset() {
 107     screenshot_taken_for_ = NULL;
 108     screenshot_set_.clear();
 109   }
 110
 111   void SetScreenshotInterval(int interval_ms) {
 112     SetMinScreenshotIntervalMS(interval_ms);
 113   }
 114
 115   void WaitUntilScreenshotIsReady() {
 116     if (!waiting_for_screenshots_)
 117       return;
 118     message_loop_runner_ = new content::MessageLoopRunner;
 119     message_loop_runner_->Run();
 120   }
 121
 122   bool ScreenshotSetForEntry(NavigationEntryImpl* entry) const {
 123     return screenshot_set_.count(entry) > 0;
 124   }
 125
 126  private:
 127   // Overridden from NavigationEntryScreenshotManager:
 128   void TakeScreenshotImpl(RenderViewHost* host,
 129                           NavigationEntryImpl* entry) override {
 130     ++waiting_for_screenshots_;
 131     screenshot_taken_for_ = host;
 132     NavigationEntryScreenshotManager::TakeScreenshotImpl(host, entry);
 133   }
 134
 135   void OnScreenshotSet(NavigationEntryImpl* entry) override {
 136     --waiting_for_screenshots_;
 137     screenshot_set_[entry] = true;
 138     NavigationEntryScreenshotManager::OnScreenshotSet(entry);
 139     if (waiting_for_screenshots_ == 0 && message_loop_runner_.get())
 140       message_loop_runner_->Quit();
 141   }
 142
 143   RenderViewHost* screenshot_taken_for_;
 144   scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
 145   int waiting_for_screenshots_;
 146   std::map<NavigationEntryImpl*, bool> screenshot_set_;
 147
 148   DISALLOW_COPY_AND_ASSIGN(ScreenshotTracker);
 149 };
 150
 151 class NavigationWatcher : public WebContentsObserver {
 152  public:
 153   explicit NavigationWatcher(WebContents* contents)
 154       : WebContentsObserver(contents),
 155         navigated_(false),
 156         should_quit_loop_(false) {
 157   }
 158
 159   ~NavigationWatcher() override {}
 160
 161   void WaitUntilNavigationStarts() {
 162     if (navigated_)
 163       return;
 164     should_quit_loop_ = true;
 165     base::MessageLoop::current()->Run();
 166   }
 167
 168  private:
 169   // Overridden from WebContentsObserver:
 170   void AboutToNavigateRenderView(RenderViewHost* host) override {
 171     navigated_ = true;
 172     if (should_quit_loop_)
 173       base::MessageLoop::current()->Quit();
 174   }
 175
 176   bool navigated_;
 177   bool should_quit_loop_;
 178
 179   DISALLOW_COPY_AND_ASSIGN(NavigationWatcher);
 180 };
 181
 182 class InputEventMessageFilterWaitsForAcks : public BrowserMessageFilter {
 183  public:
 184   InputEventMessageFilterWaitsForAcks()
 185       : BrowserMessageFilter(InputMsgStart),
 186         type_(blink::WebInputEvent::Undefined),
 187         state_(INPUT_EVENT_ACK_STATE_UNKNOWN) {}
 188
 189   void WaitForAck(blink::WebInputEvent::Type type) {
 190     base::RunLoop run_loop;
 191     base::AutoReset<base::Closure> reset_quit(&quit_, run_loop.QuitClosure());
 192     base::AutoReset<blink::WebInputEvent::Type> reset_type(&type_, type);
 193     run_loop.Run();
 194   }
 195
 196   InputEventAckState last_ack_state() const { return state_; }
 197
 198  protected:
 199   ~InputEventMessageFilterWaitsForAcks() override {}
 200
 201  private:
 202   void ReceivedEventAck(blink::WebInputEvent::Type type,
 203                         InputEventAckState state) {
 204     if (type_ == type) {
 205       state_ = state;
 206       quit_.Run();
 207     }
 208   }
 209
 210   // BrowserMessageFilter:
 211   bool OnMessageReceived(const IPC::Message& message) override {
 212     if (message.type() == InputHostMsg_HandleInputEvent_ACK::ID) {
 213       InputHostMsg_HandleInputEvent_ACK::Param params;
 214       InputHostMsg_HandleInputEvent_ACK::Read(&message, &params);
 215       blink::WebInputEvent::Type type = params.a.type;
 216       InputEventAckState ack = params.a.state;
 217       BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 218           base::Bind(&InputEventMessageFilterWaitsForAcks::ReceivedEventAck,
 219                      this, type, ack));
 220     }
 221     return false;
 222   }
 223
 224   base::Closure quit_;
 225   blink::WebInputEvent::Type type_;
 226   InputEventAckState state_;
 227
 228   DISALLOW_COPY_AND_ASSIGN(InputEventMessageFilterWaitsForAcks);
 229 };
 230
 231 class WebContentsViewAuraTest : public ContentBrowserTest {
 232  public:
 233   WebContentsViewAuraTest()
 234       : screenshot_manager_(NULL) {
 235   }
 236
 237   // Executes the javascript synchronously and makes sure the returned value is
 238   // freed properly.
 239   void ExecuteSyncJSFunction(RenderFrameHost* rfh, const std::string& jscript) {
 240     scoped_ptr<base::Value> value =
 241         content::ExecuteScriptAndGetValue(rfh, jscript);
 242   }
 243
 244   // Starts the test server and navigates to the given url. Sets a large enough
 245   // size to the root window.  Returns after the navigation to the url is
 246   // complete.
 247   void StartTestWithPage(const std::string& url) {
 248     ASSERT_TRUE(test_server()->Start());
 249     GURL test_url(test_server()->GetURL(url));
 250     NavigateToURL(shell(), test_url);
 251
 252     WebContentsImpl* web_contents =
 253         static_cast<WebContentsImpl*>(shell()->web_contents());
 254     NavigationControllerImpl* controller = &web_contents->GetController();
 255
 256     screenshot_manager_ = new ScreenshotTracker(controller);
 257     controller->SetScreenshotManager(screenshot_manager_);
 258   }
 259
 260   void SetUpCommandLine(CommandLine* cmd) override {
 261     cmd->AppendSwitchASCII(switches::kTouchEvents,
 262                            switches::kTouchEventsEnabled);
 263   }
 264
 265   void TestOverscrollNavigation(bool touch_handler) {
 266     ASSERT_NO_FATAL_FAILURE(
 267         StartTestWithPage("files/overscroll_navigation.html"));
 268     WebContentsImpl* web_contents =
 269         static_cast<WebContentsImpl*>(shell()->web_contents());
 270     NavigationController& controller = web_contents->GetController();
 271     RenderFrameHost* main_frame = web_contents->GetMainFrame();
 272
 273     EXPECT_FALSE(controller.CanGoBack());
 274     EXPECT_FALSE(controller.CanGoForward());
 275     int index = -1;
 276     scoped_ptr<base::Value> value =
 277         content::ExecuteScriptAndGetValue(main_frame, "get_current()");
 278     ASSERT_TRUE(value->GetAsInteger(&index));
 279     EXPECT_EQ(0, index);
 280
 281     if (touch_handler)
 282       ExecuteSyncJSFunction(main_frame, "install_touch_handler()");
 283
 284     ExecuteSyncJSFunction(main_frame, "navigate_next()");
 285     ExecuteSyncJSFunction(main_frame, "navigate_next()");
 286     value = content::ExecuteScriptAndGetValue(main_frame, "get_current()");
 287     ASSERT_TRUE(value->GetAsInteger(&index));
 288     EXPECT_EQ(2, index);
 289     EXPECT_TRUE(controller.CanGoBack());
 290     EXPECT_FALSE(controller.CanGoForward());
 291
 292     aura::Window* content = web_contents->GetContentNativeView();
 293     gfx::Rect bounds = content->GetBoundsInRootWindow();
 294     ui::test::EventGenerator generator(content->GetRootWindow(), content);
 295     const int kScrollDurationMs = 20;
 296     const int kScrollSteps = 10;
 297
 298     {
 299       // Do a swipe-right now. That should navigate backwards.
 300       base::string16 expected_title = base::ASCIIToUTF16("Title: #1");
 301       content::TitleWatcher title_watcher(web_contents, expected_title);
 302       generator.GestureScrollSequence(
 303           gfx::Point(bounds.x() + 2, bounds.y() + 10),
 304           gfx::Point(bounds.right() - 10, bounds.y() + 10),
 305           base::TimeDelta::FromMilliseconds(kScrollDurationMs),
 306           kScrollSteps);
 307       base::string16 actual_title = title_watcher.WaitAndGetTitle();
 308       EXPECT_EQ(expected_title, actual_title);
 309       value = content::ExecuteScriptAndGetValue(main_frame, "get_current()");
 310       ASSERT_TRUE(value->GetAsInteger(&index));
 311       EXPECT_EQ(1, index);
 312       EXPECT_TRUE(controller.CanGoBack());
 313       EXPECT_TRUE(controller.CanGoForward());
 314     }
 315
 316     {
 317       // Do a fling-right now. That should navigate backwards.
 318       base::string16 expected_title = base::ASCIIToUTF16("Title:");
 319       content::TitleWatcher title_watcher(web_contents, expected_title);
 320       generator.GestureScrollSequence(
 321           gfx::Point(bounds.x() + 2, bounds.y() + 10),
 322           gfx::Point(bounds.right() - 10, bounds.y() + 10),
 323           base::TimeDelta::FromMilliseconds(kScrollDurationMs),
 324           kScrollSteps);
 325       base::string16 actual_title = title_watcher.WaitAndGetTitle();
 326       EXPECT_EQ(expected_title, actual_title);
 327       value = content::ExecuteScriptAndGetValue(main_frame, "get_current()");
 328       ASSERT_TRUE(value->GetAsInteger(&index));
 329       EXPECT_EQ(0, index);
 330       EXPECT_FALSE(controller.CanGoBack());
 331       EXPECT_TRUE(controller.CanGoForward());
 332     }
 333
 334     {
 335       // Do a swipe-left now. That should navigate forward.
 336       base::string16 expected_title = base::ASCIIToUTF16("Title: #1");
 337       content::TitleWatcher title_watcher(web_contents, expected_title);
 338       generator.GestureScrollSequence(
 339           gfx::Point(bounds.right() - 10, bounds.y() + 10),
 340           gfx::Point(bounds.x() + 2, bounds.y() + 10),
 341           base::TimeDelta::FromMilliseconds(kScrollDurationMs),
 342           kScrollSteps);
 343       base::string16 actual_title = title_watcher.WaitAndGetTitle();
 344       EXPECT_EQ(expected_title, actual_title);
 345       value = content::ExecuteScriptAndGetValue(main_frame, "get_current()");
 346       ASSERT_TRUE(value->GetAsInteger(&index));
 347       EXPECT_EQ(1, index);
 348       EXPECT_TRUE(controller.CanGoBack());
 349       EXPECT_TRUE(controller.CanGoForward());
 350     }
 351   }
 352
 353   int GetCurrentIndex() {
 354     WebContentsImpl* web_contents =
 355         static_cast<WebContentsImpl*>(shell()->web_contents());
 356     RenderFrameHost* main_frame = web_contents->GetMainFrame();
 357     int index = -1;
 358     scoped_ptr<base::Value> value;
 359     value = content::ExecuteScriptAndGetValue(main_frame, "get_current()");
 360     if (!value->GetAsInteger(&index))
 361       index = -1;
 362     return index;
 363   }
 364
 365   int ExecuteScriptAndExtractInt(const std::string& script) {
 366     int value = 0;
 367     EXPECT_TRUE(content::ExecuteScriptAndExtractInt(
 368         shell()->web_contents(),
 369         "domAutomationController.send(" + script + ")",
 370         &value));
 371     return value;
 372   }
 373
 374   RenderViewHost* GetRenderViewHost() const {
 375     RenderViewHost* const rvh = shell()->web_contents()->GetRenderViewHost();
 376     CHECK(rvh);
 377     return rvh;
 378   }
 379
 380   RenderWidgetHostImpl* GetRenderWidgetHost() const {
 381     RenderWidgetHostImpl* const rwh =
 382         RenderWidgetHostImpl::From(shell()
 383                                        ->web_contents()
 384                                        ->GetRenderWidgetHostView()
 385                                        ->GetRenderWidgetHost());
 386     CHECK(rwh);
 387     return rwh;
 388   }
 389
 390   RenderWidgetHostViewBase* GetRenderWidgetHostView() const {
 391     return static_cast<RenderWidgetHostViewBase*>(
 392         GetRenderViewHost()->GetView());
 393   }
 394
 395   InputEventMessageFilterWaitsForAcks* filter() {
 396     return filter_.get();
 397   }
 398
 399   void WaitAFrame() {
 400     uint32 frame = GetRenderWidgetHostView()->RendererFrameNumber();
 401     while (!GetRenderWidgetHost()->ScheduleComposite())
 402       GiveItSomeTime();
 403     while (GetRenderWidgetHostView()->RendererFrameNumber() == frame)
 404       GiveItSomeTime();
 405   }
 406
 407  protected:
 408   ScreenshotTracker* screenshot_manager() { return screenshot_manager_; }
 409   void set_min_screenshot_interval(int interval_ms) {
 410     screenshot_manager_->SetScreenshotInterval(interval_ms);
 411   }
 412
 413   void AddInputEventMessageFilter() {
 414     filter_ = new InputEventMessageFilterWaitsForAcks();
 415     GetRenderWidgetHost()->GetProcess()->AddFilter(filter_.get());
 416   }
 417
 418  private:
 419   ScreenshotTracker* screenshot_manager_;
 420   scoped_refptr<InputEventMessageFilterWaitsForAcks> filter_;
 421
 422   DISALLOW_COPY_AND_ASSIGN(WebContentsViewAuraTest);
 423 };
 424
 425 // Flaky on Windows: http://crbug.com/305722
 426 #if defined(OS_WIN)
 427 #define MAYBE_OverscrollNavigation DISABLED_OverscrollNavigation
 428 #else
 429 #define MAYBE_OverscrollNavigation OverscrollNavigation
 430 #endif
 431
 432 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, MAYBE_OverscrollNavigation) {
 433   TestOverscrollNavigation(false);
 434 }
 435
 436 // Flaky on Windows (might be related to the above test):
 437 // http://crbug.com/305722
 438 #if defined(OS_WIN)
 439 #define MAYBE_OverscrollNavigationWithTouchHandler \
 440         DISABLED_OverscrollNavigationWithTouchHandler
 441 #else
 442 #define MAYBE_OverscrollNavigationWithTouchHandler \
 443         OverscrollNavigationWithTouchHandler
 444 #endif
 445 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 446                        MAYBE_OverscrollNavigationWithTouchHandler) {
 447   TestOverscrollNavigation(true);
 448 }
 449
 450 // Disabled because the test always fails the first time it runs on the Win Aura
 451 // bots, and usually but not always passes second-try (See crbug.com/179532).
 452 #if defined(OS_WIN)
 453 #define MAYBE_QuickOverscrollDirectionChange \
 454         DISABLED_QuickOverscrollDirectionChange
 455 #else
 456 #define MAYBE_QuickOverscrollDirectionChange QuickOverscrollDirectionChange
 457 #endif
 458 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 459                        MAYBE_QuickOverscrollDirectionChange) {
 460   ASSERT_NO_FATAL_FAILURE(
 461       StartTestWithPage("files/overscroll_navigation.html"));
 462   WebContentsImpl* web_contents =
 463       static_cast<WebContentsImpl*>(shell()->web_contents());
 464   RenderFrameHost* main_frame = web_contents->GetMainFrame();
 465
 466   // This test triggers a large number of animations. Speed them up to ensure
 467   // the test completes within its time limit.
 468   ui::ScopedAnimationDurationScaleMode fast_duration_mode(
 469       ui::ScopedAnimationDurationScaleMode::FAST_DURATION);
 470
 471   // Make sure the page has both back/forward history.
 472   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 473   EXPECT_EQ(1, GetCurrentIndex());
 474   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 475   EXPECT_EQ(2, GetCurrentIndex());
 476   web_contents->GetController().GoBack();
 477   EXPECT_EQ(1, GetCurrentIndex());
 478
 479   aura::Window* content = web_contents->GetContentNativeView();
 480   ui::EventProcessor* dispatcher = content->GetHost()->event_processor();
 481   gfx::Rect bounds = content->GetBoundsInRootWindow();
 482
 483   base::TimeDelta timestamp = ui::EventTimeForNow();
 484   ui::TouchEvent press(ui::ET_TOUCH_PRESSED,
 485       gfx::Point(bounds.x() + bounds.width() / 2, bounds.y() + 5),
 486       0, timestamp);
 487   ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&press);
 488   ASSERT_FALSE(details.dispatcher_destroyed);
 489   EXPECT_EQ(1, GetCurrentIndex());
 490
 491   timestamp += base::TimeDelta::FromMilliseconds(10);
 492   ui::TouchEvent move1(ui::ET_TOUCH_MOVED,
 493       gfx::Point(bounds.right() - 10, bounds.y() + 5),
 494       0, timestamp);
 495   details = dispatcher->OnEventFromSource(&move1);
 496   ASSERT_FALSE(details.dispatcher_destroyed);
 497   EXPECT_EQ(1, GetCurrentIndex());
 498
 499   // Swipe back from the right edge, back to the left edge, back to the right
 500   // edge.
 501
 502   for (int x = bounds.right() - 10; x >= bounds.x() + 10; x-= 10) {
 503     timestamp += base::TimeDelta::FromMilliseconds(10);
 504     ui::TouchEvent inc(ui::ET_TOUCH_MOVED,
 505         gfx::Point(x, bounds.y() + 5),
 506         0, timestamp);
 507     details = dispatcher->OnEventFromSource(&inc);
 508     ASSERT_FALSE(details.dispatcher_destroyed);
 509     EXPECT_EQ(1, GetCurrentIndex());
 510   }
 511
 512   for (int x = bounds.x() + 10; x <= bounds.width() - 10; x+= 10) {
 513     timestamp += base::TimeDelta::FromMilliseconds(10);
 514     ui::TouchEvent inc(ui::ET_TOUCH_MOVED,
 515         gfx::Point(x, bounds.y() + 5),
 516         0, timestamp);
 517     details = dispatcher->OnEventFromSource(&inc);
 518     ASSERT_FALSE(details.dispatcher_destroyed);
 519     EXPECT_EQ(1, GetCurrentIndex());
 520   }
 521
 522   for (int x = bounds.width() - 10; x >= bounds.x() + 10; x-= 10) {
 523     timestamp += base::TimeDelta::FromMilliseconds(10);
 524     ui::TouchEvent inc(ui::ET_TOUCH_MOVED,
 525         gfx::Point(x, bounds.y() + 5),
 526         0, timestamp);
 527     details = dispatcher->OnEventFromSource(&inc);
 528     ASSERT_FALSE(details.dispatcher_destroyed);
 529     EXPECT_EQ(1, GetCurrentIndex());
 530   }
 531
 532   // Do not end the overscroll sequence.
 533 }
 534
 535 // Tests that the page has has a screenshot when navigation happens:
 536 //  - from within the page (from a JS function)
 537 //  - interactively, when user does an overscroll gesture
 538 //  - interactively, when user navigates in history without the overscroll
 539 //    gesture.
 540 // Flaky on Windows (http://crbug.com/357311). Might be related to
 541 // OverscrollNavigation test.
 542 // Flaky on Ozone (http://crbug.com/399676).
 543 // Flaky on ChromeOS (http://crbug.com/405945).
 544 #if defined(OS_WIN) || defined(USE_OZONE) || defined(OS_CHROMEOS)
 545 #define MAYBE_OverscrollScreenshot DISABLED_OverscrollScreenshot
 546 #else
 547 #define MAYBE_OverscrollScreenshot OverscrollScreenshot
 548 #endif
 549 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, MAYBE_OverscrollScreenshot) {
 550   // Disable the test for WinXP.  See http://crbug/294116.
 551 #if defined(OS_WIN)
 552   if (base::win::GetVersion() < base::win::VERSION_VISTA) {
 553     LOG(WARNING) << "Test disabled due to unknown bug on WinXP.";
 554     return;
 555   }
 556 #endif
 557
 558   ASSERT_NO_FATAL_FAILURE(
 559       StartTestWithPage("files/overscroll_navigation.html"));
 560   WebContentsImpl* web_contents =
 561       static_cast<WebContentsImpl*>(shell()->web_contents());
 562   RenderFrameHost* main_frame = web_contents->GetMainFrame();
 563
 564   set_min_screenshot_interval(0);
 565
 566   // Do a few navigations initiated by the page.
 567   // Screenshots should never be captured since these are all in-page
 568   // navigations.
 569   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 570   EXPECT_EQ(1, GetCurrentIndex());
 571   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 572   EXPECT_EQ(2, GetCurrentIndex());
 573   screenshot_manager()->WaitUntilScreenshotIsReady();
 574
 575   NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
 576       web_contents->GetController().GetEntryAtIndex(2));
 577   EXPECT_FALSE(entry->screenshot().get());
 578
 579   entry = NavigationEntryImpl::FromNavigationEntry(
 580       web_contents->GetController().GetEntryAtIndex(1));
 581   EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 582
 583   entry = NavigationEntryImpl::FromNavigationEntry(
 584       web_contents->GetController().GetEntryAtIndex(0));
 585   EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 586
 587   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 588   screenshot_manager()->WaitUntilScreenshotIsReady();
 589
 590   entry = NavigationEntryImpl::FromNavigationEntry(
 591       web_contents->GetController().GetEntryAtIndex(2));
 592   EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 593
 594   entry = NavigationEntryImpl::FromNavigationEntry(
 595       web_contents->GetController().GetEntryAtIndex(3));
 596   EXPECT_FALSE(entry->screenshot().get());
 597   {
 598     // Now, swipe right to navigate backwards. This should navigate away from
 599     // index 3 to index 2.
 600     base::string16 expected_title = base::ASCIIToUTF16("Title: #2");
 601     content::TitleWatcher title_watcher(web_contents, expected_title);
 602     aura::Window* content = web_contents->GetContentNativeView();
 603     gfx::Rect bounds = content->GetBoundsInRootWindow();
 604     ui::test::EventGenerator generator(content->GetRootWindow(), content);
 605     generator.GestureScrollSequence(
 606         gfx::Point(bounds.x() + 2, bounds.y() + 10),
 607         gfx::Point(bounds.right() - 10, bounds.y() + 10),
 608         base::TimeDelta::FromMilliseconds(20),
 609         1);
 610     base::string16 actual_title = title_watcher.WaitAndGetTitle();
 611     EXPECT_EQ(expected_title, actual_title);
 612     EXPECT_EQ(2, GetCurrentIndex());
 613     screenshot_manager()->WaitUntilScreenshotIsReady();
 614     entry = NavigationEntryImpl::FromNavigationEntry(
 615         web_contents->GetController().GetEntryAtIndex(3));
 616     EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 617   }
 618
 619   // Navigate a couple more times.
 620   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 621   EXPECT_EQ(3, GetCurrentIndex());
 622   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 623   EXPECT_EQ(4, GetCurrentIndex());
 624   screenshot_manager()->WaitUntilScreenshotIsReady();
 625   entry = NavigationEntryImpl::FromNavigationEntry(
 626       web_contents->GetController().GetEntryAtIndex(4));
 627   EXPECT_FALSE(entry->screenshot().get());
 628
 629   {
 630     // Navigate back in history.
 631     base::string16 expected_title = base::ASCIIToUTF16("Title: #3");
 632     content::TitleWatcher title_watcher(web_contents, expected_title);
 633     web_contents->GetController().GoBack();
 634     base::string16 actual_title = title_watcher.WaitAndGetTitle();
 635     EXPECT_EQ(expected_title, actual_title);
 636     EXPECT_EQ(3, GetCurrentIndex());
 637     screenshot_manager()->WaitUntilScreenshotIsReady();
 638     entry = NavigationEntryImpl::FromNavigationEntry(
 639         web_contents->GetController().GetEntryAtIndex(4));
 640     EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 641   }
 642 }
 643
 644 // Crashes under ThreadSanitizer, http://crbug.com/356758.
 645 #if defined(THREAD_SANITIZER)
 646 #define MAYBE_ScreenshotForSwappedOutRenderViews \
 647     DISABLED_ScreenshotForSwappedOutRenderViews
 648 #else
 649 #define MAYBE_ScreenshotForSwappedOutRenderViews \
 650     ScreenshotForSwappedOutRenderViews
 651 #endif
 652 // Tests that screenshot is taken correctly when navigation causes a
 653 // RenderViewHost to be swapped out.
 654 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 655                        MAYBE_ScreenshotForSwappedOutRenderViews) {
 656   ASSERT_NO_FATAL_FAILURE(
 657       StartTestWithPage("files/overscroll_navigation.html"));
 658   // Create a new server with a different site.
 659   net::SpawnedTestServer https_server(
 660       net::SpawnedTestServer::TYPE_HTTPS,
 661       net::SpawnedTestServer::kLocalhost,
 662       base::FilePath(FILE_PATH_LITERAL("content/test/data")));
 663   ASSERT_TRUE(https_server.Start());
 664
 665   WebContentsImpl* web_contents =
 666       static_cast<WebContentsImpl*>(shell()->web_contents());
 667   set_min_screenshot_interval(0);
 668
 669   struct {
 670     GURL url;
 671     int transition;
 672   } navigations[] = {
 673     { https_server.GetURL("files/title1.html"),
 674       ui::PAGE_TRANSITION_TYPED | ui::PAGE_TRANSITION_FROM_ADDRESS_BAR },
 675     { test_server()->GetURL("files/title2.html"),
 676       ui::PAGE_TRANSITION_AUTO_BOOKMARK },
 677     { https_server.GetURL("files/title3.html"),
 678       ui::PAGE_TRANSITION_TYPED | ui::PAGE_TRANSITION_FROM_ADDRESS_BAR },
 679     { GURL(), 0 }
 680   };
 681
 682   screenshot_manager()->Reset();
 683   for (int i = 0; !navigations[i].url.is_empty(); ++i) {
 684     // Navigate via the user initiating a navigation from the UI.
 685     NavigationController::LoadURLParams params(navigations[i].url);
 686     params.transition_type =
 687         ui::PageTransitionFromInt(navigations[i].transition);
 688
 689     RenderViewHost* old_host = web_contents->GetRenderViewHost();
 690     web_contents->GetController().LoadURLWithParams(params);
 691     WaitForLoadStop(web_contents);
 692     screenshot_manager()->WaitUntilScreenshotIsReady();
 693
 694     EXPECT_NE(old_host, web_contents->GetRenderViewHost())
 695         << navigations[i].url.spec();
 696     EXPECT_EQ(old_host, screenshot_manager()->screenshot_taken_for());
 697
 698     NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
 699         web_contents->GetController().GetEntryAtOffset(-1));
 700     EXPECT_TRUE(screenshot_manager()->ScreenshotSetForEntry(entry));
 701
 702     entry = NavigationEntryImpl::FromNavigationEntry(
 703         web_contents->GetController().GetLastCommittedEntry());
 704     EXPECT_FALSE(screenshot_manager()->ScreenshotSetForEntry(entry));
 705     EXPECT_FALSE(entry->screenshot().get());
 706     screenshot_manager()->Reset();
 707   }
 708
 709   // Increase the minimum interval between taking screenshots.
 710   set_min_screenshot_interval(60000);
 711
 712   // Navigate again. This should not take any screenshot because of the
 713   // increased screenshot interval.
 714   NavigationController::LoadURLParams params(navigations[0].url);
 715   params.transition_type = ui::PageTransitionFromInt(navigations[0].transition);
 716   web_contents->GetController().LoadURLWithParams(params);
 717   WaitForLoadStop(web_contents);
 718   screenshot_manager()->WaitUntilScreenshotIsReady();
 719
 720   EXPECT_EQ(NULL, screenshot_manager()->screenshot_taken_for());
 721 }
 722
 723 // Tests that navigations resulting from reloads, history.replaceState,
 724 // and history.pushState do not capture screenshots.
 725 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, ReplaceStateReloadPushState) {
 726   ASSERT_NO_FATAL_FAILURE(
 727       StartTestWithPage("files/overscroll_navigation.html"));
 728   WebContentsImpl* web_contents =
 729       static_cast<WebContentsImpl*>(shell()->web_contents());
 730   RenderFrameHost* main_frame = web_contents->GetMainFrame();
 731
 732   set_min_screenshot_interval(0);
 733   screenshot_manager()->Reset();
 734   ExecuteSyncJSFunction(main_frame, "use_replace_state()");
 735   screenshot_manager()->WaitUntilScreenshotIsReady();
 736   // history.replaceState shouldn't capture a screenshot
 737   EXPECT_FALSE(screenshot_manager()->screenshot_taken_for());
 738   screenshot_manager()->Reset();
 739   web_contents->GetController().Reload(true);
 740   WaitForLoadStop(web_contents);
 741   // reloading the page shouldn't capture a screenshot
 742   // TODO (mfomitchev): currently broken. Uncomment when
 743   // FrameHostMsg_DidCommitProvisionalLoad_Params.was_within_same_page
 744   // is populated properly when reloading the page.
 745   //EXPECT_FALSE(screenshot_manager()->screenshot_taken_for());
 746   screenshot_manager()->Reset();
 747   ExecuteSyncJSFunction(main_frame, "use_push_state()");
 748   screenshot_manager()->WaitUntilScreenshotIsReady();
 749   // pushing a state shouldn't capture a screenshot
 750   // TODO (mfomitchev): currently broken. Uncomment when
 751   // FrameHostMsg_DidCommitProvisionalLoad_Params.was_within_same_page
 752   // is populated properly when pushState is used.
 753   //EXPECT_FALSE(screenshot_manager()->screenshot_taken_for());
 754 }
 755
 756 // TODO(sadrul): This test is disabled because it reparents in a way the
 757 //               FocusController does not support. This code would crash in
 758 //               a production build. It only passed prior to this revision
 759 //               because testing used the old FocusManager which did some
 760 //               different (osbolete) processing. TODO(sadrul) to figure out
 761 //               how this test should work that mimics production code a bit
 762 //               better.
 763 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 764                        DISABLED_ContentWindowReparent) {
 765   ASSERT_NO_FATAL_FAILURE(
 766       StartTestWithPage("files/overscroll_navigation.html"));
 767
 768   scoped_ptr<aura::Window> window(new aura::Window(NULL));
 769   window->Init(aura::WINDOW_LAYER_NOT_DRAWN);
 770
 771   WebContentsImpl* web_contents =
 772       static_cast<WebContentsImpl*>(shell()->web_contents());
 773   ExecuteSyncJSFunction(web_contents->GetMainFrame(), "navigate_next()");
 774   EXPECT_EQ(1, GetCurrentIndex());
 775
 776   aura::Window* content = web_contents->GetContentNativeView();
 777   gfx::Rect bounds = content->GetBoundsInRootWindow();
 778   ui::test::EventGenerator generator(content->GetRootWindow(), content);
 779   generator.GestureScrollSequence(
 780       gfx::Point(bounds.x() + 2, bounds.y() + 10),
 781       gfx::Point(bounds.right() - 10, bounds.y() + 10),
 782       base::TimeDelta::FromMilliseconds(20),
 783       1);
 784
 785   window->AddChild(shell()->web_contents()->GetContentNativeView());
 786 }
 787
 788 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, ContentWindowClose) {
 789   ASSERT_NO_FATAL_FAILURE(
 790       StartTestWithPage("files/overscroll_navigation.html"));
 791
 792   WebContentsImpl* web_contents =
 793       static_cast<WebContentsImpl*>(shell()->web_contents());
 794   ExecuteSyncJSFunction(web_contents->GetMainFrame(), "navigate_next()");
 795   EXPECT_EQ(1, GetCurrentIndex());
 796
 797   aura::Window* content = web_contents->GetContentNativeView();
 798   gfx::Rect bounds = content->GetBoundsInRootWindow();
 799   ui::test::EventGenerator generator(content->GetRootWindow(), content);
 800   generator.GestureScrollSequence(
 801       gfx::Point(bounds.x() + 2, bounds.y() + 10),
 802       gfx::Point(bounds.right() - 10, bounds.y() + 10),
 803       base::TimeDelta::FromMilliseconds(20),
 804       1);
 805
 806   delete web_contents->GetContentNativeView();
 807 }
 808
 809
 810 #if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
 811 // This appears to be flaky in the same was as the other overscroll
 812 // tests. Enabling for non-Windows platforms.
 813 // See http://crbug.com/369871.
 814 // For linux, see http://crbug.com/381294
 815 #define MAYBE_RepeatedQuickOverscrollGestures DISABLED_RepeatedQuickOverscrollGestures
 816 #else
 817 #define MAYBE_RepeatedQuickOverscrollGestures RepeatedQuickOverscrollGestures
 818 #endif
 819
 820 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 821                        MAYBE_RepeatedQuickOverscrollGestures) {
 822   ASSERT_NO_FATAL_FAILURE(
 823       StartTestWithPage("files/overscroll_navigation.html"));
 824
 825   WebContentsImpl* web_contents =
 826       static_cast<WebContentsImpl*>(shell()->web_contents());
 827   NavigationController& controller = web_contents->GetController();
 828   RenderFrameHost* main_frame = web_contents->GetMainFrame();
 829   ExecuteSyncJSFunction(main_frame, "install_touch_handler()");
 830
 831   // Navigate twice, then navigate back in history once.
 832   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 833   ExecuteSyncJSFunction(main_frame, "navigate_next()");
 834   EXPECT_EQ(2, GetCurrentIndex());
 835   EXPECT_TRUE(controller.CanGoBack());
 836   EXPECT_FALSE(controller.CanGoForward());
 837
 838   web_contents->GetController().GoBack();
 839   WaitForLoadStop(web_contents);
 840   EXPECT_EQ(1, GetCurrentIndex());
 841   EXPECT_EQ(base::ASCIIToUTF16("Title: #1"), web_contents->GetTitle());
 842   EXPECT_TRUE(controller.CanGoBack());
 843   EXPECT_TRUE(controller.CanGoForward());
 844
 845   aura::Window* content = web_contents->GetContentNativeView();
 846   gfx::Rect bounds = content->GetBoundsInRootWindow();
 847   ui::test::EventGenerator generator(content->GetRootWindow(), content);
 848
 849   // Do a swipe left to start a forward navigation. Then quickly do a swipe
 850   // right.
 851   base::string16 expected_title = base::ASCIIToUTF16("Title: #2");
 852   content::TitleWatcher title_watcher(web_contents, expected_title);
 853   NavigationWatcher nav_watcher(web_contents);
 854
 855   generator.GestureScrollSequence(
 856       gfx::Point(bounds.right() - 10, bounds.y() + 10),
 857       gfx::Point(bounds.x() + 2, bounds.y() + 10),
 858       base::TimeDelta::FromMilliseconds(2000),
 859       10);
 860   nav_watcher.WaitUntilNavigationStarts();
 861
 862   generator.GestureScrollSequence(
 863       gfx::Point(bounds.x() + 2, bounds.y() + 10),
 864       gfx::Point(bounds.right() - 10, bounds.y() + 10),
 865       base::TimeDelta::FromMilliseconds(2000),
 866       10);
 867   base::string16 actual_title = title_watcher.WaitAndGetTitle();
 868   EXPECT_EQ(expected_title, actual_title);
 869
 870   EXPECT_EQ(2, GetCurrentIndex());
 871   EXPECT_TRUE(controller.CanGoBack());
 872   EXPECT_FALSE(controller.CanGoForward());
 873 }
 874
 875 // Verify that hiding a parent of the renderer will hide the content too.
 876 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, HideContentOnParenHide) {
 877   ASSERT_NO_FATAL_FAILURE(StartTestWithPage("files/title1.html"));
 878   WebContentsImpl* web_contents =
 879       static_cast<WebContentsImpl*>(shell()->web_contents());
 880   aura::Window* content = web_contents->GetNativeView()->parent();
 881   EXPECT_TRUE(web_contents->should_normally_be_visible());
 882   content->Hide();
 883   EXPECT_FALSE(web_contents->should_normally_be_visible());
 884   content->Show();
 885   EXPECT_TRUE(web_contents->should_normally_be_visible());
 886 }
 887
 888 // Ensure that SnapToPhysicalPixelBoundary() is called on WebContentsView parent
 889 // change. This is a regression test for http://crbug.com/388908.
 890 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, WebContentsViewReparent) {
 891   ASSERT_NO_FATAL_FAILURE(
 892       StartTestWithPage("files/overscroll_navigation.html"));
 893
 894   scoped_ptr<aura::Window> window(new aura::Window(NULL));
 895   window->Init(aura::WINDOW_LAYER_NOT_DRAWN);
 896
 897   RenderWidgetHostViewAura* rwhva =
 898       static_cast<RenderWidgetHostViewAura*>(
 899           shell()->web_contents()->GetRenderWidgetHostView());
 900   rwhva->ResetHasSnappedToBoundary();
 901   EXPECT_FALSE(rwhva->has_snapped_to_boundary());
 902   window->AddChild(shell()->web_contents()->GetNativeView());
 903   EXPECT_TRUE(rwhva->has_snapped_to_boundary());
 904 }
 905
 906 // Flaky on some platforms, likely for the same reason as other flaky overscroll
 907 // tests. http://crbug.com/305722
 908 // TODO(tdresser): Re-enable this once eager GR is back on. See
 909 // crbug.com/410280.
 910 #if defined(OS_WIN) || (defined(OS_LINUX) && !defined(OS_CHROMEOS))
 911 #define MAYBE_OverscrollNavigationTouchThrottling \
 912         DISABLED_OverscrollNavigationTouchThrottling
 913 #else
 914 #define MAYBE_OverscrollNavigationTouchThrottling \
 915         DISABLED_OverscrollNavigationTouchThrottling
 916 #endif
 917
 918 // Tests that touch moves are not throttled when performing a scroll gesture on
 919 // a non-scrollable area, except during gesture-nav.
 920 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
 921                        MAYBE_OverscrollNavigationTouchThrottling) {
 922   ASSERT_NO_FATAL_FAILURE(
 923       StartTestWithPage("files/overscroll_navigation.html"));
 924
 925   AddInputEventMessageFilter();
 926
 927   WebContentsImpl* web_contents =
 928       static_cast<WebContentsImpl*>(shell()->web_contents());
 929   aura::Window* content = web_contents->GetContentNativeView();
 930   gfx::Rect bounds = content->GetBoundsInRootWindow();
 931   const int dx = 20;
 932
 933   ExecuteSyncJSFunction(web_contents->GetMainFrame(),
 934                         "install_touchmove_handler()");
 935
 936   WaitAFrame();
 937
 938   for (int navigated = 0; navigated <= 1; ++navigated) {
 939     if (navigated) {
 940       ExecuteSyncJSFunction(web_contents->GetMainFrame(), "navigate_next()");
 941       ExecuteSyncJSFunction(web_contents->GetMainFrame(),
 942                             "reset_touchmove_count()");
 943     }
 944     // Send touch press.
 945     SyntheticWebTouchEvent touch;
 946     touch.PressPoint(bounds.x() + 2, bounds.y() + 10);
 947     GetRenderWidgetHost()->ForwardTouchEventWithLatencyInfo(touch,
 948                                                             ui::LatencyInfo());
 949     filter()->WaitForAck(blink::WebInputEvent::TouchStart);
 950     WaitAFrame();
 951
 952     // Assert on the ack, because we'll end up waiting for acks that will never
 953     // come if this is not true.
 954     ASSERT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
 955
 956     // Send first touch move, and then a scroll begin.
 957     touch.MovePoint(0, bounds.x() + 20 + 1 * dx, bounds.y() + 100);
 958     GetRenderWidgetHost()->ForwardTouchEventWithLatencyInfo(touch,
 959                                                             ui::LatencyInfo());
 960     filter()->WaitForAck(blink::WebInputEvent::TouchMove);
 961     ASSERT_EQ(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, filter()->last_ack_state());
 962
 963     blink::WebGestureEvent scroll_begin =
 964         SyntheticWebGestureEventBuilder::BuildScrollBegin(1, 1);
 965     GetRenderWidgetHost()->ForwardGestureEventWithLatencyInfo(
 966         scroll_begin, ui::LatencyInfo());
 967     // Scroll begin ignores ack disposition, so don't wait for the ack.
 968     WaitAFrame();
 969
 970     // First touchmove already sent, start at 2.
 971     for (int i = 2; i <= 10; ++i) {
 972       // Send a touch move, followed by a scroll update
 973       touch.MovePoint(0, bounds.x() + 20 + i * dx, bounds.y() + 100);
 974       GetRenderWidgetHost()->ForwardTouchEventWithLatencyInfo(
 975           touch, ui::LatencyInfo());
 976       WaitAFrame();
 977
 978       blink::WebGestureEvent scroll_update =
 979           SyntheticWebGestureEventBuilder::BuildScrollUpdate(dx, 5, 0);
 980
 981       GetRenderWidgetHost()->ForwardGestureEventWithLatencyInfo(
 982           scroll_update, ui::LatencyInfo());
 983
 984       WaitAFrame();
 985     }
 986
 987     touch.ReleasePoint(0);
 988     GetRenderWidgetHost()->ForwardTouchEventWithLatencyInfo(touch,
 989                                                             ui::LatencyInfo());
 990     WaitAFrame();
 991
 992     blink::WebGestureEvent scroll_end;
 993     scroll_end.type = blink::WebInputEvent::GestureScrollEnd;
 994     GetRenderWidgetHost()->ForwardGestureEventWithLatencyInfo(
 995         scroll_end, ui::LatencyInfo());
 996     WaitAFrame();
 997
 998     if (!navigated)
 999       EXPECT_EQ(10, ExecuteScriptAndExtractInt("touchmoveCount"));
1000     else
1001       EXPECT_GT(10, ExecuteScriptAndExtractInt("touchmoveCount"));
1002   }
1003 }
1004
1005 // Test that vertical overscroll updates are sent only when a user overscrolls
1006 // vertically.
1007 #if defined(OS_WIN)
1008 #define MAYBE_VerticalOverscroll DISABLED_VerticalOverscroll
1009 #else
1010 #define MAYBE_VerticalOverscroll VerticalOverscroll
1011 #endif
1012
1013 IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest, MAYBE_VerticalOverscroll) {
1014   base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
1015       switches::kScrollEndEffect, "1");
1016
1017   ASSERT_NO_FATAL_FAILURE(StartTestWithPage("about:blank"));
1018   WebContentsImpl* web_contents =
1019       static_cast<WebContentsImpl*>(shell()->web_contents());
1020   VerticalOverscrollTracker tracker;
1021   web_contents->SetDelegate(&tracker);
1022
1023   // This test triggers a large number of animations. Speed them up to ensure
1024   // the test completes within its time limit.
1025   ui::ScopedAnimationDurationScaleMode fast_duration_mode(
1026       ui::ScopedAnimationDurationScaleMode::FAST_DURATION);
1027
1028   aura::Window* content = web_contents->GetContentNativeView();
1029   ui::EventProcessor* dispatcher = content->GetHost()->event_processor();
1030   gfx::Rect bounds = content->GetBoundsInRootWindow();
1031
1032   // Overscroll horizontally.
1033   {
1034     int kXStep = bounds.width() / 10;
1035     gfx::Point location(bounds.right() - kXStep, bounds.y() + 5);
1036     base::TimeDelta timestamp = ui::EventTimeForNow();
1037     ui::TouchEvent press(
1038         ui::ET_TOUCH_PRESSED,
1039         location,
1040         0,
1041         timestamp);
1042     ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&press);
1043     ASSERT_FALSE(details.dispatcher_destroyed);
1044     WaitAFrame();
1045     location -= gfx::Vector2d(kXStep, 0);
1046     timestamp += base::TimeDelta::FromMilliseconds(10);
1047
1048     while (location.x() > bounds.x() + kXStep) {
1049       ui::TouchEvent inc(ui::ET_TOUCH_MOVED, location, 0, timestamp);
1050       details = dispatcher->OnEventFromSource(&inc);
1051       ASSERT_FALSE(details.dispatcher_destroyed);
1052       WaitAFrame();
1053       location -= gfx::Vector2d(10, 0);
1054       timestamp += base::TimeDelta::FromMilliseconds(10);
1055     }
1056
1057     ui::TouchEvent release(ui::ET_TOUCH_RELEASED, location, 0, timestamp);
1058     details = dispatcher->OnEventFromSource(&press);
1059     ASSERT_FALSE(details.dispatcher_destroyed);
1060     WaitAFrame();
1061
1062     EXPECT_EQ(0, tracker.num_overscroll_updates());
1063     EXPECT_FALSE(tracker.overscroll_completed());
1064   }
1065
1066   // Overscroll vertically.
1067   {
1068     tracker.Reset();
1069
1070     int kYStep = bounds.height() / 10;
1071     gfx::Point location(bounds.x() + 10, bounds.y() + kYStep);
1072     base::TimeDelta timestamp = ui::EventTimeForNow();
1073     ui::TouchEvent press(
1074         ui::ET_TOUCH_PRESSED,
1075         location,
1076         0,
1077         timestamp);
1078     ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&press);
1079     ASSERT_FALSE(details.dispatcher_destroyed);
1080     WaitAFrame();
1081     location += gfx::Vector2d(0, kYStep);
1082     timestamp += base::TimeDelta::FromMilliseconds(10);
1083
1084     while (location.y() < bounds.bottom() - kYStep) {
1085       ui::TouchEvent inc(ui::ET_TOUCH_MOVED, location, 0, timestamp);
1086       details = dispatcher->OnEventFromSource(&inc);
1087       ASSERT_FALSE(details.dispatcher_destroyed);
1088       WaitAFrame();
1089       location += gfx::Vector2d(0, kYStep);
1090       timestamp += base::TimeDelta::FromMilliseconds(10);
1091     }
1092
1093     ui::TouchEvent release(ui::ET_TOUCH_RELEASED, location, 0, timestamp);
1094     details = dispatcher->OnEventFromSource(&release);
1095     ASSERT_FALSE(details.dispatcher_destroyed);
1096     WaitAFrame();
1097
1098     EXPECT_LT(0, tracker.num_overscroll_updates());
1099     EXPECT_TRUE(tracker.overscroll_completed());
1100   }
1101
1102   // Start out overscrolling vertically, then switch directions and finish
1103   // overscrolling horizontally.
1104   {
1105     tracker.Reset();
1106
1107     int kXStep = bounds.width() / 10;
1108     int kYStep = bounds.height() / 10;
1109     gfx::Point location = bounds.origin() + gfx::Vector2d(0, kYStep);
1110     base::TimeDelta timestamp = ui::EventTimeForNow();
1111     ui::TouchEvent press(
1112         ui::ET_TOUCH_PRESSED,
1113         location,
1114         0,
1115         timestamp);
1116     ui::EventDispatchDetails details = dispatcher->OnEventFromSource(&press);
1117     ASSERT_FALSE(details.dispatcher_destroyed);
1118     WaitAFrame();
1119     location += gfx::Vector2d(0, kYStep);
1120     timestamp += base::TimeDelta::FromMilliseconds(10);
1121
1122     for (size_t i = 0; i < 3; ++i) {
1123       ui::TouchEvent inc(ui::ET_TOUCH_MOVED, location, 0, timestamp);
1124       details = dispatcher->OnEventFromSource(&inc);
1125       ASSERT_FALSE(details.dispatcher_destroyed);
1126       WaitAFrame();
1127       location += gfx::Vector2d(0, kYStep);
1128       timestamp += base::TimeDelta::FromMilliseconds(10);
1129     }
1130
1131     while (location.x() < bounds.right() - kXStep) {
1132       ui::TouchEvent inc(ui::ET_TOUCH_MOVED, location, 0, timestamp);
1133       details = dispatcher->OnEventFromSource(&inc);
1134       ASSERT_FALSE(details.dispatcher_destroyed);
1135       WaitAFrame();
1136       location += gfx::Vector2d(kXStep, 0);
1137       timestamp += base::TimeDelta::FromMilliseconds(10);
1138     }
1139
1140     ui::TouchEvent release(ui::ET_TOUCH_RELEASED, location, 0, timestamp);
1141     details = dispatcher->OnEventFromSource(&release);
1142     ASSERT_FALSE(details.dispatcher_destroyed);
1143     WaitAFrame();
1144
1145     EXPECT_LT(0, tracker.num_overscroll_updates());
1146     EXPECT_FALSE(tracker.overscroll_completed());
1147   }
1148 }
1149
1150 }  // namespace content