chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.h"

#include <stddef.h>

#include <algorithm>
#include <memory>

#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/callback.h"
#include "base/callback_helpers.h"
#include "base/command_line.h"
#include "base/location.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/string_number_conversions.h"
#include "base/threading/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_tabstrip.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/browser/ui/views/frame/native_browser_frame_factory.h"
#include "chrome/browser/ui/views/tabs/tab.h"
#include "chrome/browser/ui/views/tabs/tab_drag_controller.h"
#include "chrome/browser/ui/views/tabs/tab_strip.h"
#include "chrome/browser/ui/views/tabs/window_finder.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/interactive_test_utils.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/notification_source.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_switches.h"
#include "ui/base/test/ui_controls.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"

#if defined(USE_AURA)
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/test/test_window_delegate.h"
#include "ui/aura/test/test_windows.h"
#include "ui/aura/window_targeter.h"
#endif

#if defined(USE_AURA) && !defined(OS_CHROMEOS)
#include "chrome/browser/ui/views/frame/desktop_browser_frame_aura.h"
#include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
#endif

#if defined(OS_CHROMEOS)
#include "ash/public/cpp/ash_switches.h"
#include "ash/public/cpp/immersive/immersive_fullscreen_controller_test_api.h"
#include "ash/public/cpp/window_properties.h"
#include "ash/shell.h"
#include "ash/wm/cursor_manager_test_api.h"
#include "ash/wm/root_window_finder.h"
#include "ash/wm/window_state.h"
#include "ash/wm/window_util.h"
#include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
#include "chrome/browser/ui/views/frame/immersive_mode_controller_ash.h"
#include "ui/aura/client/screen_position_client.h"
#include "ui/aura/test/event_generator_delegate_aura.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/display/manager/display_manager.h"
#include "ui/events/test/event_generator.h"
#endif

using content::WebContents;

namespace test {

namespace {

const char kTabDragControllerInteractiveUITestUserDataKey[] =
    "TabDragControllerInteractiveUITestUserData";

class TabDragControllerInteractiveUITestUserData
    : public base::SupportsUserData::Data {
 public:
  explicit TabDragControllerInteractiveUITestUserData(int id) : id_(id) {}
  ~TabDragControllerInteractiveUITestUserData() override {}
  int id() { return id_; }

 private:
  int id_;
};

}  // namespace

class QuitDraggingObserver : public content::NotificationObserver {
 public:
  QuitDraggingObserver() {
    registrar_.Add(this, chrome::NOTIFICATION_TAB_DRAG_LOOP_DONE,
                   content::NotificationService::AllSources());
  }

  void Observe(int type,
               const content::NotificationSource& source,
               const content::NotificationDetails& details) override {
    DCHECK_EQ(chrome::NOTIFICATION_TAB_DRAG_LOOP_DONE, type);
    base::RunLoop::QuitCurrentWhenIdleDeprecated();
    delete this;
  }

 private:
  ~QuitDraggingObserver() override {}

  content::NotificationRegistrar registrar_;

  DISALLOW_COPY_AND_ASSIGN(QuitDraggingObserver);
};

void SetID(WebContents* web_contents, int id) {
  web_contents->SetUserData(
      &kTabDragControllerInteractiveUITestUserDataKey,
      std::make_unique<TabDragControllerInteractiveUITestUserData>(id));
}

void ResetIDs(TabStripModel* model, int start) {
  for (int i = 0; i < model->count(); ++i)
    SetID(model->GetWebContentsAt(i), start + i);
}

std::string IDString(TabStripModel* model) {
  std::string result;
  for (int i = 0; i < model->count(); ++i) {
    if (i != 0)
      result += " ";
    WebContents* contents = model->GetWebContentsAt(i);
    TabDragControllerInteractiveUITestUserData* user_data =
        static_cast<TabDragControllerInteractiveUITestUserData*>(
            contents->GetUserData(
                &kTabDragControllerInteractiveUITestUserDataKey));
    if (user_data)
      result += base::IntToString(user_data->id());
    else
      result += "?";
  }
  return result;
}

// Creates a listener that quits the message loop when no longer dragging.
void QuitWhenNotDraggingImpl() {
  new QuitDraggingObserver();  // QuitDraggingObserver deletes itself.
}

TabStrip* GetTabStripForBrowser(Browser* browser) {
  BrowserView* browser_view = BrowserView::GetBrowserViewForBrowser(browser);
  return browser_view->tabstrip();
}

}  // namespace test

using ui_test_utils::GetCenterInScreenCoordinates;
using test::SetID;
using test::ResetIDs;
using test::IDString;
using test::GetTabStripForBrowser;

TabDragControllerTest::TabDragControllerTest()
    : browser_list(BrowserList::GetInstance()) {}

TabDragControllerTest::~TabDragControllerTest() {
}

void TabDragControllerTest::StopAnimating(TabStrip* tab_strip) {
  tab_strip->StopAnimating(true);
}

void TabDragControllerTest::AddTabAndResetBrowser(Browser* browser) {
  AddBlankTabAndShow(browser);
  StopAnimating(GetTabStripForBrowser(browser));
  ResetIDs(browser->tab_strip_model(), 0);
}

Browser* TabDragControllerTest::CreateAnotherWindowBrowserAndRelayout() {
  // Create another browser.
  Browser* browser2 = CreateBrowser(browser()->profile());
  ResetIDs(browser2->tab_strip_model(), 100);

  // Resize the two windows so they're right next to each other.
  gfx::Rect work_area =
      display::Screen::GetScreen()
          ->GetDisplayNearestWindow(browser()->window()->GetNativeWindow())
          .work_area();
  gfx::Size half_size =
      gfx::Size(work_area.width() / 3 - 10, work_area.height() / 2 - 10);
  browser()->window()->SetBounds(gfx::Rect(work_area.origin(), half_size));
  browser2->window()->SetBounds(gfx::Rect(
      work_area.x() + half_size.width(), work_area.y(),
      half_size.width(), half_size.height()));
  return browser2;
}

void TabDragControllerTest::SetWindowFinderForTabStrip(
    TabStrip* tab_strip,
    std::unique_ptr<WindowFinder> window_finder) {
  ASSERT_TRUE(tab_strip->drag_controller_.get());
  tab_strip->drag_controller_->window_finder_ = std::move(window_finder);
}

void TabDragControllerTest::SetUpCommandLine(base::CommandLine* command_line) {
  command_line->AppendSwitch(switches::kDisableResizeLock);
}

namespace {

enum InputSource {
  INPUT_SOURCE_MOUSE = 0,
  INPUT_SOURCE_TOUCH = 1
};

int GetDetachY(TabStrip* tab_strip) {
  return std::max(TabDragController::kTouchVerticalDetachMagnetism,
                  TabDragController::kVerticalDetachMagnetism) +
      tab_strip->height() + 1;
}

bool GetIsDragged(Browser* browser) {
#if defined(OS_CHROMEOS)
  return ash::wm::GetWindowState(browser->window()->GetNativeWindow())->
      is_dragged();
#else
  return false;
#endif
}

}  // namespace

#if defined(OS_CHROMEOS)
class ScreenEventGeneratorDelegate
    : public aura::test::EventGeneratorDelegateAura {
 public:
  explicit ScreenEventGeneratorDelegate(aura::Window* root_window)
      : root_window_(root_window) {}
  ~ScreenEventGeneratorDelegate() override {}

  // EventGeneratorDelegateAura overrides:
  aura::WindowTreeHost* GetHostAt(const gfx::Point& point) const override {
    return root_window_->GetHost();
  }

  aura::client::ScreenPositionClient* GetScreenPositionClient(
      const aura::Window* window) const override {
    return aura::client::GetScreenPositionClient(root_window_);
  }

 private:
  aura::Window* root_window_;

  DISALLOW_COPY_AND_ASSIGN(ScreenEventGeneratorDelegate);
};

#endif

#if !defined(OS_CHROMEOS) && defined(USE_AURA)

// Following classes verify a crash scenario. Specifically on Windows when focus
// changes it can trigger capture being lost. This was causing a crash in tab
// dragging as it wasn't set up to handle this scenario. These classes
// synthesize this scenario.

// Allows making ClearNativeFocus() invoke ReleaseCapture().
class TestDesktopBrowserFrameAura : public DesktopBrowserFrameAura {
 public:
  TestDesktopBrowserFrameAura(
      BrowserFrame* browser_frame,
      BrowserView* browser_view)
      : DesktopBrowserFrameAura(browser_frame, browser_view),
        release_capture_(false) {}
  ~TestDesktopBrowserFrameAura() override {}

  void ReleaseCaptureOnNextClear() {
    release_capture_ = true;
  }

  void ClearNativeFocus() override {
    views::DesktopNativeWidgetAura::ClearNativeFocus();
    if (release_capture_) {
      release_capture_ = false;
      GetWidget()->ReleaseCapture();
    }
  }

 private:
  // If true ReleaseCapture() is invoked in ClearNativeFocus().
  bool release_capture_;

  DISALLOW_COPY_AND_ASSIGN(TestDesktopBrowserFrameAura);
};

// Factory for creating a TestDesktopBrowserFrameAura.
class TestNativeBrowserFrameFactory : public NativeBrowserFrameFactory {
 public:
  TestNativeBrowserFrameFactory() {}
  ~TestNativeBrowserFrameFactory() override {}

  NativeBrowserFrame* Create(BrowserFrame* browser_frame,
                             BrowserView* browser_view) override {
    return new TestDesktopBrowserFrameAura(browser_frame, browser_view);
  }

 private:
  DISALLOW_COPY_AND_ASSIGN(TestNativeBrowserFrameFactory);
};

class TabDragCaptureLostTest : public TabDragControllerTest {
 public:
  TabDragCaptureLostTest() {
    NativeBrowserFrameFactory::Set(new TestNativeBrowserFrameFactory);
  }

 private:
  DISALLOW_COPY_AND_ASSIGN(TabDragCaptureLostTest);
};

// See description above for details.
IN_PROC_BROWSER_TEST_F(TabDragCaptureLostTest, ReleaseCaptureOnDrag) {
  AddTabAndResetBrowser(browser());

  TabStrip* tab_strip = GetTabStripForBrowser(browser());
  gfx::Point tab_1_center(GetCenterInScreenCoordinates(tab_strip->tab_at(1)));
  ASSERT_TRUE(ui_test_utils::SendMouseMoveSync(tab_1_center) &&
              ui_test_utils::SendMouseEventsSync(
                  ui_controls::LEFT, ui_controls::DOWN));
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  TestDesktopBrowserFrameAura* frame =
      static_cast<TestDesktopBrowserFrameAura*>(
          BrowserView::GetBrowserViewForBrowser(browser())->GetWidget()->
          native_widget_private());
  // Invoke ReleaseCaptureOnDrag() so that when the drag happens and focus
  // changes capture is released and the drag cancels.
  frame->ReleaseCaptureOnNextClear();
  ASSERT_TRUE(ui_test_utils::SendMouseMoveSync(tab_0_center));
  EXPECT_FALSE(tab_strip->IsDragSessionActive());
}

IN_PROC_BROWSER_TEST_F(TabDragControllerTest, GestureEndShouldEndDragTest) {
  AddTabAndResetBrowser(browser());

  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  Tab* tab1 = tab_strip->tab_at(1);
  gfx::Point tab_1_center(tab1->width() / 2, tab1->height() / 2);

  ui::GestureEvent gesture_tap_down(
      tab_1_center.x(), tab_1_center.x(), 0, base::TimeTicks(),
      ui::GestureEventDetails(ui::ET_GESTURE_TAP_DOWN));
  tab_strip->MaybeStartDrag(tab1, gesture_tap_down,
    tab_strip->GetSelectionModel());
  EXPECT_TRUE(TabDragController::IsActive());

  ui::GestureEvent gesture_end(tab_1_center.x(), tab_1_center.x(), 0,
                               base::TimeTicks(),
                               ui::GestureEventDetails(ui::ET_GESTURE_END));
  tab_strip->OnGestureEvent(&gesture_end);
  EXPECT_FALSE(TabDragController::IsActive());
  EXPECT_FALSE(tab_strip->IsDragSessionActive());
}

#endif

class DetachToBrowserTabDragControllerTest
    : public TabDragControllerTest,
      public ::testing::WithParamInterface<const char*> {
 public:
  DetachToBrowserTabDragControllerTest() {}

  void SetUpOnMainThread() override {
#if defined(OS_CHROMEOS)
    event_generator_.reset(
        new ui::test::EventGenerator(ash::Shell::GetPrimaryRootWindow()));
#endif
#if defined(OS_MACOSX)
    // Currently MacViews' browser windows are shown in the background and could
    // be obscured by other windows if there are any. This should be fixed in
    // order to be consistent with other platforms.
    EXPECT_TRUE(ui_test_utils::BringBrowserWindowToFront(browser()));
#endif  // OS_MACOSX
  }

  InputSource input_source() const {
    return strstr(GetParam(), "mouse") ?
        INPUT_SOURCE_MOUSE : INPUT_SOURCE_TOUCH;
  }

  // Set root window from a point in screen coordinates
  void SetEventGeneratorRootWindow(const gfx::Point& point) {
    if (input_source() == INPUT_SOURCE_MOUSE)
      return;
#if defined(OS_CHROMEOS)
    event_generator_.reset(new ui::test::EventGenerator(
        new ScreenEventGeneratorDelegate(ash::wm::GetRootWindowAt(point))));
#endif
  }

  // The following methods update one of the mouse or touch input depending upon
  // the InputSource.
  bool PressInput(const gfx::Point& location) {
    if (input_source() == INPUT_SOURCE_MOUSE) {
      return ui_test_utils::SendMouseMoveSync(location) &&
          ui_test_utils::SendMouseEventsSync(
              ui_controls::LEFT, ui_controls::DOWN);
    }
#if defined(OS_CHROMEOS)
    event_generator_->set_current_location(location);
    event_generator_->PressTouch();
#else
    NOTREACHED();
#endif
    return true;
  }

  bool PressInput2() {
    // Second touch input is only used for touch sequence tests.
    EXPECT_EQ(INPUT_SOURCE_TOUCH, input_source());
#if defined(OS_CHROMEOS)
    event_generator_->set_current_location(
        event_generator_->current_location());
    event_generator_->PressTouchId(1);
#else
    NOTREACHED();
#endif
    return true;
  }

  bool DragInputTo(const gfx::Point& location) {
    if (input_source() == INPUT_SOURCE_MOUSE)
      return ui_test_utils::SendMouseMoveSync(location);
#if defined(OS_CHROMEOS)
    event_generator_->MoveTouch(location);
#else
    NOTREACHED();
#endif
    return true;
  }

  bool DragInputToAsync(const gfx::Point& location) {
    if (input_source() == INPUT_SOURCE_MOUSE)
      return ui_controls::SendMouseMove(location.x(), location.y());
#if defined(OS_CHROMEOS)
    event_generator_->MoveTouch(location);
#else
    NOTREACHED();
#endif
    return true;
  }

  bool DragInputToNotifyWhenDone(int x, int y, base::OnceClosure task) {
    if (input_source() == INPUT_SOURCE_MOUSE)
      return ui_controls::SendMouseMoveNotifyWhenDone(x, y, std::move(task));
#if defined(OS_CHROMEOS)
    base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, std::move(task));
    event_generator_->MoveTouch(gfx::Point(x, y));
#else
    NOTREACHED();
#endif
    return true;
  }

  bool DragInput2ToNotifyWhenDone(int x,
                                 int y,
                                 const base::Closure& task) {
    if (input_source() == INPUT_SOURCE_MOUSE)
      return ui_controls::SendMouseMoveNotifyWhenDone(x, y, task);
#if defined(OS_CHROMEOS)
    base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, task);
    event_generator_->MoveTouchId(gfx::Point(x, y), 1);
#else
    NOTREACHED();
#endif
    return true;
  }

  bool ReleaseInput() {
    if (input_source() == INPUT_SOURCE_MOUSE) {
      return ui_test_utils::SendMouseEventsSync(
              ui_controls::LEFT, ui_controls::UP);
    }
#if defined(OS_CHROMEOS)
    event_generator_->ReleaseTouch();
#else
    NOTREACHED();
#endif
    return true;
  }

  bool ReleaseInput2() {
    if (input_source() == INPUT_SOURCE_MOUSE) {
      return ui_test_utils::SendMouseEventsSync(
              ui_controls::LEFT, ui_controls::UP);
    }
#if defined(OS_CHROMEOS)
    event_generator_->ReleaseTouchId(1);
#else
    NOTREACHED();
#endif
    return true;
  }

  bool ReleaseMouseAsync() {
    return input_source() == INPUT_SOURCE_MOUSE &&
        ui_controls::SendMouseEvents(ui_controls::LEFT, ui_controls::UP);
  }

  void QuitWhenNotDragging() {
    if (input_source() == INPUT_SOURCE_MOUSE) {
      // Schedule observer to quit message loop when done dragging. This has to
      // be async so the message loop can run.
      test::QuitWhenNotDraggingImpl();
      base::RunLoop().Run();
    } else {
      // Touch events are sync, so we know we're not in a drag session. But some
      // tests rely on the browser fully closing, which is async. So, run all
      // pending tasks.
      base::RunLoop run_loop;
      run_loop.RunUntilIdle();
    }
  }

  void AddBlankTabAndShow(Browser* browser) {
    InProcessBrowserTest::AddBlankTabAndShow(browser);
  }

  Browser* browser() const { return InProcessBrowserTest::browser(); }

 private:
#if defined(OS_CHROMEOS)
  std::unique_ptr<ui::test::EventGenerator> event_generator_;
#endif

  DISALLOW_COPY_AND_ASSIGN(DetachToBrowserTabDragControllerTest);
};

// Creates a browser with two tabs, drags the second to the first.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest, DragInSameWindow) {
  // TODO(sky): this won't work with touch as it requires a long press.
  if (input_source() == INPUT_SOURCE_TOUCH) {
    VLOG(1) << "Test is DISABLED for touch input.";
    return;
  }

  AddTabAndResetBrowser(browser());

  TabStrip* tab_strip = GetTabStripForBrowser(browser());
  TabStripModel* model = browser()->tab_strip_model();

  gfx::Point tab_1_center(GetCenterInScreenCoordinates(tab_strip->tab_at(1)));
  ASSERT_TRUE(PressInput(tab_1_center));
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(DragInputTo(tab_0_center));
  ASSERT_TRUE(ReleaseInput());
  EXPECT_EQ("1 0", IDString(model));
  EXPECT_FALSE(TabDragController::IsActive());
  EXPECT_FALSE(tab_strip->IsDragSessionActive());

  // The tab strip should no longer have capture because the drag was ended and
  // mouse/touch was released.
  EXPECT_FALSE(tab_strip->GetWidget()->HasCapture());
}

#if defined(USE_AURA)
namespace {

// We need both MaskedWindowTargeter and MaskedWindowDelegate as they
// are used in two different pathes. crbug.com/493354.
class MaskedWindowTargeter : public aura::WindowTargeter {
 public:
  MaskedWindowTargeter() {}
  ~MaskedWindowTargeter() override {}

  // aura::WindowTargeter:
  bool EventLocationInsideBounds(aura::Window* target,
                                 const ui::LocatedEvent& event) const override {
    aura::Window* window = static_cast<aura::Window*>(target);
    gfx::Point local_point = event.location();
    if (window->parent())
      aura::Window::ConvertPointToTarget(window->parent(), window,
                                         &local_point);
    return window->GetEventHandlerForPoint(local_point);
  }

 private:
  DISALLOW_COPY_AND_ASSIGN(MaskedWindowTargeter);
};

}  // namespace

// The logic to find the target tabstrip should take the window mask into
// account. This test hangs without the fix. crbug.com/473080.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       DragWithMaskedWindows) {
  AddTabAndResetBrowser(browser());

  aura::Window* browser_window = browser()->window()->GetNativeWindow();
  const gfx::Rect bounds = browser_window->GetBoundsInScreen();
  aura::test::MaskedWindowDelegate masked_window_delegate(
      gfx::Rect(bounds.width() - 10, 0, 10, bounds.height()));
  gfx::Rect test(bounds);
  masked_window_delegate.set_can_focus(false);
  std::unique_ptr<aura::Window> masked_window(
      aura::test::CreateTestWindowWithDelegate(&masked_window_delegate, 10,
                                               test, browser_window->parent()));
  masked_window->SetEventTargeter(
      std::unique_ptr<ui::EventTargeter>(new MaskedWindowTargeter()));

  ASSERT_FALSE(masked_window->GetEventHandlerForPoint(
      gfx::Point(bounds.width() - 11, 0)));
  ASSERT_TRUE(masked_window->GetEventHandlerForPoint(
      gfx::Point(bounds.width() - 9, 0)));
  TabStrip* tab_strip = GetTabStripForBrowser(browser());
  TabStripModel* model = browser()->tab_strip_model();

  gfx::Point tab_1_center(GetCenterInScreenCoordinates(tab_strip->tab_at(1)));
  ASSERT_TRUE(PressInput(tab_1_center));
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(DragInputTo(tab_0_center));
  ASSERT_TRUE(ReleaseInput());
  EXPECT_EQ("1 0", IDString(model));
  EXPECT_FALSE(TabDragController::IsActive());
  EXPECT_FALSE(tab_strip->IsDragSessionActive());
}
#endif  // USE_AURA

namespace {

// Invoked from the nested run loop.
void DragToSeparateWindowStep2(DetachToBrowserTabDragControllerTest* test,
                               TabStrip* not_attached_tab_strip,
                               TabStrip* target_tab_strip) {
  ASSERT_FALSE(not_attached_tab_strip->IsDragSessionActive());
  ASSERT_FALSE(target_tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());

  // Drag to target_tab_strip. This should stop the nested loop from dragging
  // the window.
  gfx::Point target_point(target_tab_strip->width() -1,
                          target_tab_strip->height() / 2);
  views::View::ConvertPointToScreen(target_tab_strip, &target_point);
  ASSERT_TRUE(test->DragInputToAsync(target_point));
}

}  // namespace

// Creates two browsers, drags from first into second.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       DragToSeparateWindow) {
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Add another tab to browser().
  AddTabAndResetBrowser(browser());

  // Create another browser.
  Browser* browser2 = CreateAnotherWindowBrowserAndRelayout();
  TabStrip* tab_strip2 = GetTabStripForBrowser(browser2);

  // Move to the first tab and drag it enough so that it detaches, but not
  // enough that it attaches to browser2.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
                  tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
                  base::Bind(&DragToSeparateWindowStep2,
                             this, tab_strip, tab_strip2)));
  QuitWhenNotDragging();

  // Should now be attached to tab_strip2.
  ASSERT_TRUE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());
  EXPECT_FALSE(GetIsDragged(browser()));

  // Release mouse or touch, stopping the drag session.
  ASSERT_TRUE(ReleaseInput());
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());
  EXPECT_EQ("100 0", IDString(browser2->tab_strip_model()));
  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));
  EXPECT_FALSE(GetIsDragged(browser2));

  // Both windows should not be maximized
  EXPECT_FALSE(browser()->window()->IsMaximized());
  EXPECT_FALSE(browser2->window()->IsMaximized());

  // The tab strip should no longer have capture because the drag was ended and
  // mouse/touch was released.
  EXPECT_FALSE(tab_strip->GetWidget()->HasCapture());
  EXPECT_FALSE(tab_strip2->GetWidget()->HasCapture());
}

namespace {

// WindowFinder that calls OnMouseCaptureLost() from
// GetLocalProcessWindowAtPoint().
class CaptureLoseWindowFinder : public WindowFinder {
 public:
  explicit CaptureLoseWindowFinder(TabStrip* tab_strip)
      : tab_strip_(tab_strip) {}
  ~CaptureLoseWindowFinder() override {}

  // WindowFinder:
  gfx::NativeWindow GetLocalProcessWindowAtPoint(
      const gfx::Point& screen_point,
      const std::set<gfx::NativeWindow>& ignore) override {
    static_cast<views::View*>(tab_strip_)->OnMouseCaptureLost();
    return nullptr;
  }

 private:
  TabStrip* tab_strip_;

  DISALLOW_COPY_AND_ASSIGN(CaptureLoseWindowFinder);
};

}  // namespace

#if defined(OS_CHROMEOS) || defined(OS_LINUX)
// TODO(sky,sad): Disabled as it fails due to resize locks with a real
// compositor. crbug.com/331924
#define MAYBE_CaptureLostDuringDrag DISABLED_CaptureLostDuringDrag
#else
#define MAYBE_CaptureLostDuringDrag CaptureLostDuringDrag
#endif
// Calls OnMouseCaptureLost() from WindowFinder::GetLocalProcessWindowAtPoint()
// and verifies we don't crash. This simulates a crash seen on windows.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_CaptureLostDuringDrag) {
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Add another tab to browser().
  AddTabAndResetBrowser(browser());

  // Press on first tab so drag is active. Reset WindowFinder to one that causes
  // capture to be lost from within GetLocalProcessWindowAtPoint(), then
  // continue drag. The capture lost should trigger the drag to cancel.
  ASSERT_TRUE(PressInput(GetCenterInScreenCoordinates(tab_strip->tab_at(0))));
  ASSERT_TRUE(tab_strip->IsDragSessionActive());
  SetWindowFinderForTabStrip(
      tab_strip, base::WrapUnique(new CaptureLoseWindowFinder(tab_strip)));
  ASSERT_TRUE(DragInputTo(GetCenterInScreenCoordinates(tab_strip->tab_at(1))));
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
}

namespace {

void DetachToOwnWindowStep2(DetachToBrowserTabDragControllerTest* test) {
  if (test->input_source() == INPUT_SOURCE_TOUCH)
    ASSERT_TRUE(test->ReleaseInput());
}

#if defined(OS_CHROMEOS)
bool IsWindowPositionManaged(aura::Window* window) {
  return window->GetProperty(ash::kWindowPositionManagedTypeKey);
}
bool HasUserChangedWindowPositionOrSize(aura::Window* window) {
  return ash::wm::GetWindowState(window)->bounds_changed_by_user();
}
#else
bool IsWindowPositionManaged(gfx::NativeWindow window) {
  return true;
}
bool HasUserChangedWindowPositionOrSize(gfx::NativeWindow window) {
  return false;
}
#endif

// Encapsulates waiting for the browser window to become maximized. This is
// needed for example on Chrome desktop linux, where window maximization is done
// asynchronously as an event received from a different process.
class MaximizedBrowserWindowWaiter {
 public:
  explicit MaximizedBrowserWindowWaiter(BrowserWindow* window)
      : window_(window) {}
  ~MaximizedBrowserWindowWaiter() = default;

  // Blocks until the browser window becomes maximized.
  void Wait() {
    if (CheckMaximized())
      return;

    base::RunLoop run_loop;
    quit_ = run_loop.QuitClosure();
    run_loop.Run();
  }

 private:
  bool CheckMaximized() {
    if (!window_->IsMaximized()) {
      base::MessageLoop::current()->task_runner()->PostTask(
          FROM_HERE,
          base::BindOnce(
              base::IgnoreResult(&MaximizedBrowserWindowWaiter::CheckMaximized),
              base::Unretained(this)));
      return false;
    }

    // Quit the run_loop to end the wait.
    if (!quit_.is_null())
      base::ResetAndReturn(&quit_).Run();
    return true;
  }

  // The browser window observed by this waiter.
  BrowserWindow* window_;

  // The waiter's RunLoop quit closure.
  base::Closure quit_;

  DISALLOW_COPY_AND_ASSIGN(MaximizedBrowserWindowWaiter);
};

}  // namespace

#if defined(OS_CHROMEOS)
#define MAYBE_DetachToOwnWindow DISABLED_DetachToOwnWindow
#else
#define MAYBE_DetachToOwnWindow DetachToOwnWindow
#endif
// Drags from browser to separate window and releases mouse.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_DetachToOwnWindow) {
  const gfx::Rect initial_bounds(browser()->window()->GetBounds());
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Move to the first tab and drag it enough so that it detaches.
  gfx::Point tab_0_center(
      GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
                  tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
                  base::Bind(&DetachToOwnWindowStep2, this)));
  if (input_source() == INPUT_SOURCE_MOUSE) {
    ASSERT_TRUE(ReleaseMouseAsync());
    QuitWhenNotDragging();
  }

  // Should no longer be dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  // There should now be another browser.
  ASSERT_EQ(2u, browser_list->size());
  Browser* new_browser = browser_list->get(1);
  ASSERT_TRUE(new_browser->window()->IsActive());
  TabStrip* tab_strip2 = GetTabStripForBrowser(new_browser);
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());

  EXPECT_EQ("0", IDString(new_browser->tab_strip_model()));
  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));

  // The bounds of the initial window should not have changed.
  EXPECT_EQ(initial_bounds.ToString(),
            browser()->window()->GetBounds().ToString());

  EXPECT_FALSE(GetIsDragged(browser()));
  EXPECT_FALSE(GetIsDragged(new_browser));
  // After this both windows should still be manageable.
  EXPECT_TRUE(IsWindowPositionManaged(browser()->window()->GetNativeWindow()));
  EXPECT_TRUE(IsWindowPositionManaged(
      new_browser->window()->GetNativeWindow()));

  // Both windows should not be maximized
  EXPECT_FALSE(browser()->window()->IsMaximized());
  EXPECT_FALSE(new_browser->window()->IsMaximized());

  // The tab strip should no longer have capture because the drag was ended and
  // mouse/touch was released.
  EXPECT_FALSE(tab_strip->GetWidget()->HasCapture());
  EXPECT_FALSE(tab_strip2->GetWidget()->HasCapture());
}

#if defined(OS_LINUX) || defined(OS_MACOSX)
// TODO(afakhry,varkha): Disabled on Linux as it fails on the bot because
// setting the window bounds to the work area bounds in
// DesktopWindowTreeHostX11::SetBounds() always insets it by one pixel in both
// width and height. This results in considering the source browser window not
// being full size, and the test is not as expected.
// crbug.com/626761, crbug.com/331924.
// TODO(tapted,mblsha): Disabled as the Mac IsMaximized() behavior is not
// consistent with other platforms. crbug.com/603562
#define MAYBE_DetachFromFullsizeWindow DISABLED_DetachFromFullsizeWindow
#else
#define MAYBE_DetachFromFullsizeWindow DetachFromFullsizeWindow
#endif
// Tests that a tab can be dragged from a browser window that is resized to full
// screen.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_DetachFromFullsizeWindow) {
  // Resize the browser window so that it is as big as the work area.
  gfx::Rect work_area =
      display::Screen::GetScreen()
          ->GetDisplayNearestWindow(browser()->window()->GetNativeWindow())
          .work_area();
  browser()->window()->SetBounds(work_area);
  const gfx::Rect initial_bounds(browser()->window()->GetBounds());
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Move to the first tab and drag it enough so that it detaches.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
      base::Bind(&DetachToOwnWindowStep2, this)));
  if (input_source() == INPUT_SOURCE_MOUSE) {
    ASSERT_TRUE(ReleaseMouseAsync());
    QuitWhenNotDragging();
  }

  // Should no longer be dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  // There should now be another browser.
  ASSERT_EQ(2u, browser_list->size());
  Browser* new_browser = browser_list->get(1);
  ASSERT_TRUE(new_browser->window()->IsActive());
  TabStrip* tab_strip2 = GetTabStripForBrowser(new_browser);
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());

  EXPECT_EQ("0", IDString(new_browser->tab_strip_model()));
  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));

  // The bounds of the initial window should not have changed.
  EXPECT_EQ(initial_bounds.ToString(),
            browser()->window()->GetBounds().ToString());

  EXPECT_FALSE(GetIsDragged(browser()));
  EXPECT_FALSE(GetIsDragged(new_browser));
  // After this both windows should still be manageable.
  EXPECT_TRUE(IsWindowPositionManaged(browser()->window()->GetNativeWindow()));
  EXPECT_TRUE(
      IsWindowPositionManaged(new_browser->window()->GetNativeWindow()));

  // Only second window should be maximized.
  EXPECT_FALSE(browser()->window()->IsMaximized());
  MaximizedBrowserWindowWaiter(new_browser->window()).Wait();
  EXPECT_TRUE(new_browser->window()->IsMaximized());

  // The tab strip should no longer have capture because the drag was ended and
  // mouse/touch was released.
  EXPECT_FALSE(tab_strip->GetWidget()->HasCapture());
  EXPECT_FALSE(tab_strip2->GetWidget()->HasCapture());
}

#if defined(OS_MACOSX)
// TODO(tapted,mblsha): Disabled as the Mac IsMaximized() behavior is not
// consistent with other platforms. crbug.com/603562
#define MAYBE_DetachToOwnWindowFromMaximizedWindow \
  DISABLED_DetachToOwnWindowFromMaximizedWindow
#else
#define MAYBE_DetachToOwnWindowFromMaximizedWindow \
  DetachToOwnWindowFromMaximizedWindow
#endif
// Drags from browser to a separate window and releases mouse.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_DetachToOwnWindowFromMaximizedWindow) {
  // Maximize the initial browser window.
  browser()->window()->Maximize();
  MaximizedBrowserWindowWaiter(browser()->window()).Wait();
  ASSERT_TRUE(browser()->window()->IsMaximized());

  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Move to the first tab and drag it enough so that it detaches.
  gfx::Point tab_0_center(
      GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
                  tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
                  base::Bind(&DetachToOwnWindowStep2, this)));
  if (input_source() == INPUT_SOURCE_MOUSE) {
    ASSERT_TRUE(ReleaseMouseAsync());
    QuitWhenNotDragging();
  }

  // Should no longer be dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  // There should now be another browser.
  ASSERT_EQ(2u, browser_list->size());
  Browser* new_browser = browser_list->get(1);
  ASSERT_TRUE(new_browser->window()->IsActive());
  TabStrip* tab_strip2 = GetTabStripForBrowser(new_browser);
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());

  EXPECT_EQ("0", IDString(new_browser->tab_strip_model()));
  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));

  // The bounds of the initial window should not have changed.
  EXPECT_TRUE(browser()->window()->IsMaximized());

  EXPECT_FALSE(GetIsDragged(browser()));
  EXPECT_FALSE(GetIsDragged(new_browser));
  // After this both windows should still be manageable.
  EXPECT_TRUE(IsWindowPositionManaged(browser()->window()->GetNativeWindow()));
  EXPECT_TRUE(IsWindowPositionManaged(
      new_browser->window()->GetNativeWindow()));

  // The new window should be maximized.
  MaximizedBrowserWindowWaiter(new_browser->window()).Wait();
  EXPECT_TRUE(new_browser->window()->IsMaximized());
}

#if defined(OS_CHROMEOS)

// This test makes sense only on Chrome OS where we have the immersive
// fullscreen mode. The detached tab to a new browser window should remain in
// immersive fullscreen mode.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       DetachToOwnWindowWhileInImmersiveFullscreenMode) {
  // Toggle the immersive fullscreen mode for the initial browser.
  chrome::ToggleFullscreenMode(browser());
  ASSERT_TRUE(BrowserView::GetBrowserViewForBrowser(browser())
                  ->immersive_mode_controller()
                  ->IsEnabled());

  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Move to the first tab and drag it enough so that it detaches.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
      base::Bind(&DetachToOwnWindowStep2, this)));
  if (input_source() == INPUT_SOURCE_MOUSE) {
    ASSERT_TRUE(ReleaseMouseAsync());
    QuitWhenNotDragging();
  }

  // Should no longer be dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  // There should now be another browser.
  ASSERT_EQ(2u, browser_list->size());
  Browser* new_browser = browser_list->get(1);
  ASSERT_TRUE(new_browser->window()->IsActive());
  TabStrip* tab_strip2 = GetTabStripForBrowser(new_browser);
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());

  EXPECT_EQ("0", IDString(new_browser->tab_strip_model()));
  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));

  // The bounds of the initial window should not have changed.
  EXPECT_TRUE(browser()->window()->IsFullscreen());
  ASSERT_TRUE(BrowserView::GetBrowserViewForBrowser(browser())
                  ->immersive_mode_controller()
                  ->IsEnabled());

  EXPECT_FALSE(GetIsDragged(browser()));
  EXPECT_FALSE(GetIsDragged(new_browser));
  // After this both windows should still be manageable.
  EXPECT_TRUE(IsWindowPositionManaged(browser()->window()->GetNativeWindow()));
  EXPECT_TRUE(
      IsWindowPositionManaged(new_browser->window()->GetNativeWindow()));

  // The new browser should be in immersive fullscreen mode.
  ASSERT_TRUE(BrowserView::GetBrowserViewForBrowser(new_browser)
                  ->immersive_mode_controller()
                  ->IsEnabled());
  EXPECT_TRUE(new_browser->window()->IsFullscreen());
}

#endif

// Deletes a tab being dragged before the user moved enough to start a drag.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       DeleteBeforeStartedDragging) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Click on the first tab, but don't move it.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));

  // Should be dragging.
  ASSERT_TRUE(tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());

  // Delete the tab being dragged.
  delete browser()->tab_strip_model()->GetWebContentsAt(0);

  // Should have canceled dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));
  EXPECT_FALSE(GetIsDragged(browser()));
}

#if defined(OS_CHROMEOS)
// TODO(sky,sad): Disabled as it fails due to resize locks with a real
// compositor. crbug.com/331924
#define MAYBE_DeleteTabWhileAttached DISABLED_DeleteTabWhileAttached
#else
#define MAYBE_DeleteTabWhileAttached DeleteTabWhileAttached
#endif
// Deletes a tab being dragged while still attached.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_DeleteTabWhileAttached) {
  // TODO(sky,sad): Disabled as it fails due to resize locks with a real
  // compositor. crbug.com/331924
  if (input_source() == INPUT_SOURCE_MOUSE) {
    VLOG(1) << "Test is DISABLED for mouse input.";
    return;
  }

  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Click on the first tab and move it enough so that it starts dragging but is
  // still attached.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputTo(
                  gfx::Point(tab_0_center.x() + 20, tab_0_center.y())));

  // Should be dragging.
  ASSERT_TRUE(tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());

  // Delete the tab being dragged.
  delete browser()->tab_strip_model()->GetWebContentsAt(0);

  // Should have canceled dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));

  EXPECT_FALSE(GetIsDragged(browser()));
}

namespace {

void DeleteWhileDetachedStep2(WebContents* tab) {
  delete tab;
}

}  // namespace

#if defined(OS_CHROMEOS)
// TODO(sky,sad): Disabled as it fails due to resize locks with a real
// compositor. crbug.com/331924
#define MAYBE_DeleteTabWhileDetached DISABLED_DeleteTabWhileDetached
#else
#define MAYBE_DeleteTabWhileDetached DeleteTabWhileDetached
#endif
// Deletes a tab being dragged after dragging a tab so that a new window is
// created.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_DeleteTabWhileDetached) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Move to the first tab and drag it enough so that it detaches.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  WebContents* to_delete =
      browser()->tab_strip_model()->GetWebContentsAt(0);
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
      base::Bind(&DeleteWhileDetachedStep2, to_delete)));
  QuitWhenNotDragging();

  // Should not be dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));

  EXPECT_FALSE(GetIsDragged(browser()));
}

namespace {

void CloseTabsWhileDetachedStep2(const BrowserList* browser_list) {
  ASSERT_EQ(2u, browser_list->size());
  Browser* old_browser = browser_list->get(0);
  EXPECT_EQ("0 3", IDString(old_browser->tab_strip_model()));
  Browser* new_browser = browser_list->get(1);
  EXPECT_EQ("1 2", IDString(new_browser->tab_strip_model()));
  chrome::CloseTab(new_browser);
}

}  // namespace

#if defined(OS_CHROMEOS)
// TODO(sky,sad): Disabled as it fails due to resize locks with a real
// compositor. crbug.com/331924
#define MAYBE_DeleteTabsWhileDetached DISABLED_DeleteTabsWhileDetached
#else
#define MAYBE_DeleteTabsWhileDetached DeleteTabsWhileDetached
#endif
// Selects 2 tabs out of 4, drags them out and closes the new browser window
// while dragging tabs.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_DeleteTabsWhileDetached) {
  // Add 3 tabs for a total of 4 tabs.
  AddTabAndResetBrowser(browser());
  AddTabAndResetBrowser(browser());
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());
  EXPECT_EQ("0 1 2 3", IDString(browser()->tab_strip_model()));

  // Click the first tab and select two middle tabs.
  gfx::Point tab_1_center(GetCenterInScreenCoordinates(tab_strip->tab_at(1)));
  gfx::Point tab_2_center(GetCenterInScreenCoordinates(tab_strip->tab_at(2)));
  ASSERT_TRUE(PressInput(tab_1_center));
  ASSERT_TRUE(ReleaseInput());
  browser()->tab_strip_model()->AddTabAtToSelection(1);
  browser()->tab_strip_model()->AddTabAtToSelection(2);
  // Press mouse button in the second tab and drag it enough to detach.
  ASSERT_TRUE(PressInput(tab_2_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_2_center.x(), tab_2_center.y() + GetDetachY(tab_strip),
      base::Bind(&CloseTabsWhileDetachedStep2, browser_list)));
  QuitWhenNotDragging();

  // Should not be dragging.
  ASSERT_EQ(1u, browser_list->size());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  // Both tabs "1" and "2" get closed.
  EXPECT_EQ("0 3", IDString(browser()->tab_strip_model()));

  EXPECT_FALSE(GetIsDragged(browser()));
}

namespace {

void DeleteSourceDetachedStep2(WebContents* tab,
                               const BrowserList* browser_list) {
  ASSERT_EQ(2u, browser_list->size());
  Browser* new_browser = browser_list->get(1);
  // This ends up closing the source window.
  delete tab;
  // Cancel the drag.
  ui_controls::SendKeyPress(new_browser->window()->GetNativeWindow(),
                            ui::VKEY_ESCAPE, false, false, false, false);
}

}  // namespace

#if defined(OS_CHROMEOS) || defined(OS_LINUX)
// TODO(sky,sad): Disabled as it fails due to resize locks with a real
// compositor. crbug.com/331924
#define MAYBE_DeleteSourceDetached DISABLED_DeleteSourceDetached
#else
#define MAYBE_DeleteSourceDetached DeleteSourceDetached
#endif
// Detaches a tab and while detached deletes a tab from the source so that the
// source window closes then presses escape to cancel the drag.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_DeleteSourceDetached) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Move to the first tab and drag it enough so that it detaches.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  WebContents* to_delete = browser()->tab_strip_model()->GetWebContentsAt(1);
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
      base::Bind(&DeleteSourceDetachedStep2, to_delete, browser_list)));
  QuitWhenNotDragging();

  // Should not be dragging.
  ASSERT_EQ(1u, browser_list->size());
  Browser* new_browser = browser_list->get(0);
  ASSERT_FALSE(GetTabStripForBrowser(new_browser)->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  EXPECT_EQ("0", IDString(new_browser->tab_strip_model()));

  EXPECT_FALSE(GetIsDragged(new_browser));

  // Remaining browser window should not be maximized
  EXPECT_FALSE(new_browser->window()->IsMaximized());
}

namespace {

void PressEscapeWhileDetachedStep2(const BrowserList* browser_list) {
  ASSERT_EQ(2u, browser_list->size());
  Browser* new_browser = browser_list->get(1);
  ui_controls::SendKeyPress(
      new_browser->window()->GetNativeWindow(), ui::VKEY_ESCAPE, false, false,
      false, false);
}

}  // namespace

#if defined(OS_CHROMEOS) || defined(OS_LINUX)
// TODO(sky,sad): Disabled as it fails due to resize locks with a real
// compositor. crbug.com/331924
#define MAYBE_PressEscapeWhileDetached DISABLED_PressEscapeWhileDetached
#else
#define MAYBE_PressEscapeWhileDetached PressEscapeWhileDetached
#endif
// This is disabled until NativeViewHost::Detach really detaches.
// Detaches a tab and while detached presses escape to revert the drag.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_PressEscapeWhileDetached) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Move to the first tab and drag it enough so that it detaches.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
      base::Bind(&PressEscapeWhileDetachedStep2, browser_list)));
  QuitWhenNotDragging();

  // Should not be dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  // And there should only be one window.
  EXPECT_EQ(1u, browser_list->size());

  EXPECT_EQ("0 1", IDString(browser()->tab_strip_model()));

  // Remaining browser window should not be maximized
  EXPECT_FALSE(browser()->window()->IsMaximized());

  // The tab strip should no longer have capture because the drag was ended and
  // mouse/touch was released.
  EXPECT_FALSE(tab_strip->GetWidget()->HasCapture());
}

namespace {

void DragAllStep2(DetachToBrowserTabDragControllerTest* test,
                  const BrowserList* browser_list) {
  // Should only be one window.
  ASSERT_EQ(1u, browser_list->size());
  if (test->input_source() == INPUT_SOURCE_TOUCH) {
    ASSERT_TRUE(test->ReleaseInput());
  } else {
    ASSERT_TRUE(test->ReleaseMouseAsync());
  }
}

}  // namespace

#if defined(OS_CHROMEOS) || defined(OS_LINUX)
// TODO(sky,sad): Disabled as it fails due to resize locks with a real
// compositor. crbug.com/331924
#define MAYBE_DragAll DISABLED_DragAll
#else
#define MAYBE_DragAll DragAll
#endif
// Selects multiple tabs and starts dragging the window.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest, MAYBE_DragAll) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());
  browser()->tab_strip_model()->AddTabAtToSelection(0);
  browser()->tab_strip_model()->AddTabAtToSelection(1);
  const gfx::Rect initial_bounds = browser()->window()->GetBounds();

  // Move to the first tab and drag it enough so that it would normally
  // detach.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
      base::Bind(&DragAllStep2, this, browser_list)));
  QuitWhenNotDragging();

  // Should not be dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  // And there should only be one window.
  EXPECT_EQ(1u, browser_list->size());

  EXPECT_EQ("0 1", IDString(browser()->tab_strip_model()));

  EXPECT_FALSE(GetIsDragged(browser()));

  // Remaining browser window should not be maximized
  EXPECT_FALSE(browser()->window()->IsMaximized());

  const gfx::Rect final_bounds = browser()->window()->GetBounds();
  // Size unchanged, but it should have moved down.
  EXPECT_EQ(initial_bounds.size(), final_bounds.size());
  EXPECT_EQ(initial_bounds.origin().x(), final_bounds.origin().x());
  EXPECT_EQ(initial_bounds.origin().y() + GetDetachY(tab_strip),
            final_bounds.origin().y());
}

namespace {

// Invoked from the nested run loop.
void DragAllToSeparateWindowStep2(DetachToBrowserTabDragControllerTest* test,
                                  TabStrip* attached_tab_strip,
                                  TabStrip* target_tab_strip,
                                  const BrowserList* browser_list) {
  ASSERT_TRUE(attached_tab_strip->IsDragSessionActive());
  ASSERT_FALSE(target_tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());
  ASSERT_EQ(2u, browser_list->size());

  // Drag to target_tab_strip. This should stop the nested loop from dragging
  // the window.
  gfx::Point target_point(target_tab_strip->width() - 1,
                          target_tab_strip->height() / 2);
  views::View::ConvertPointToScreen(target_tab_strip, &target_point);
  ASSERT_TRUE(test->DragInputToAsync(target_point));
}

}  // namespace

#if defined(OS_CHROMEOS) || defined(OS_LINUX)
// TODO(sky,sad): Disabled as it fails due to resize locks with a real
// compositor. crbug.com/331924
#define MAYBE_DragAllToSeparateWindow DISABLED_DragAllToSeparateWindow
#else
#define MAYBE_DragAllToSeparateWindow DragAllToSeparateWindow
#endif
// Creates two browsers, selects all tabs in first and drags into second.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_DragAllToSeparateWindow) {
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Add another tab to browser().
  AddTabAndResetBrowser(browser());

  // Create another browser.
  Browser* browser2 = CreateAnotherWindowBrowserAndRelayout();
  TabStrip* tab_strip2 = GetTabStripForBrowser(browser2);

  browser()->tab_strip_model()->AddTabAtToSelection(0);
  browser()->tab_strip_model()->AddTabAtToSelection(1);

  // Move to the first tab and drag it enough so that it detaches, but not
  // enough that it attaches to browser2.
  gfx::Point tab_0_center(
      GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
      base::Bind(&DragAllToSeparateWindowStep2, this, tab_strip, tab_strip2,
                 browser_list)));
  QuitWhenNotDragging();

  // Should now be attached to tab_strip2.
  ASSERT_TRUE(tab_strip2->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());
  ASSERT_EQ(1u, browser_list->size());

  // Release the mouse, stopping the drag session.
  ASSERT_TRUE(ReleaseInput());
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());
  EXPECT_EQ("100 0 1", IDString(browser2->tab_strip_model()));

  EXPECT_FALSE(GetIsDragged(browser2));

  // Remaining browser window should not be maximized
  EXPECT_FALSE(browser2->window()->IsMaximized());
}

namespace {

// Invoked from the nested run loop.
void DragAllToSeparateWindowAndCancelStep2(
    DetachToBrowserTabDragControllerTest* test,
    TabStrip* attached_tab_strip,
    TabStrip* target_tab_strip,
    const BrowserList* browser_list) {
  ASSERT_TRUE(attached_tab_strip->IsDragSessionActive());
  ASSERT_FALSE(target_tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());
  ASSERT_EQ(2u, browser_list->size());

  // Drag to target_tab_strip. This should stop the nested loop from dragging
  // the window.
  gfx::Point target_point(target_tab_strip->width() - 1,
                          target_tab_strip->height() / 2);
  views::View::ConvertPointToScreen(target_tab_strip, &target_point);
  ASSERT_TRUE(test->DragInputToAsync(target_point));
}

}  // namespace

#if defined(OS_CHROMEOS) || defined(OS_LINUX)
// TODO(sky,sad): Disabled as it fails due to resize locks with a real
// compositor. crbug.com/331924
#define MAYBE_DragAllToSeparateWindowAndCancel \
  DISABLED_DragAllToSeparateWindowAndCancel
#else
#define MAYBE_DragAllToSeparateWindowAndCancel DragAllToSeparateWindowAndCancel
#endif
// Creates two browsers, selects all tabs in first, drags into second, then hits
// escape.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_DragAllToSeparateWindowAndCancel) {
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Add another tab to browser().
  AddTabAndResetBrowser(browser());

  // Create another browser.
  Browser* browser2 = CreateAnotherWindowBrowserAndRelayout();
  TabStrip* tab_strip2 = GetTabStripForBrowser(browser2);

  browser()->tab_strip_model()->AddTabAtToSelection(0);
  browser()->tab_strip_model()->AddTabAtToSelection(1);

  // Move to the first tab and drag it enough so that it detaches, but not
  // enough that it attaches to browser2.
  gfx::Point tab_0_center(
      GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
                  tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
                  base::Bind(&DragAllToSeparateWindowAndCancelStep2, this,
                             tab_strip, tab_strip2, browser_list)));
  QuitWhenNotDragging();

  // Should now be attached to tab_strip2.
  ASSERT_TRUE(tab_strip2->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());
  ASSERT_EQ(1u, browser_list->size());

  // Cancel the drag.
  ASSERT_TRUE(ui_test_utils::SendKeyPressSync(
      browser2, ui::VKEY_ESCAPE, false, false, false, false));

  ASSERT_FALSE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());
  EXPECT_EQ("100 0 1", IDString(browser2->tab_strip_model()));

  // browser() will have been destroyed, but browser2 should remain.
  ASSERT_EQ(1u, browser_list->size());

  EXPECT_FALSE(GetIsDragged(browser2));

  // Remaining browser window should not be maximized
  EXPECT_FALSE(browser2->window()->IsMaximized());
}

#if defined(OS_CHROMEOS) || defined(OS_LINUX) || defined(OS_WIN)
// TODO(sky,sad): Disabled as it fails due to resize locks with a real
// compositor. crbug.com/331924
#define MAYBE_DragDirectlyToSecondWindow DISABLED_DragDirectlyToSecondWindow
#else
#define MAYBE_DragDirectlyToSecondWindow DragDirectlyToSecondWindow
#endif
// Creates two browsers, drags from first into the second in such a way that
// no detaching should happen.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_DragDirectlyToSecondWindow) {
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Add another tab to browser().
  AddTabAndResetBrowser(browser());

  // Create another browser.
  Browser* browser2 = CreateAnotherWindowBrowserAndRelayout();
  TabStrip* tab_strip2 = GetTabStripForBrowser(browser2);

  // Move the tabstrip down enough so that we can detach.
  gfx::Rect bounds(browser2->window()->GetBounds());
  bounds.Offset(0, 100);
  browser2->window()->SetBounds(bounds);

  // Move to the first tab and drag it enough so that it detaches, but not
  // enough that it attaches to browser2.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));

  gfx::Point b2_location(5, 0);
  views::View::ConvertPointToScreen(tab_strip2, &b2_location);
  ASSERT_TRUE(DragInputTo(b2_location));

  // Should now be attached to tab_strip2.
  ASSERT_TRUE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());

  // Release the mouse, stopping the drag session.
  ASSERT_TRUE(ReleaseInput());
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());
  EXPECT_EQ("0 100", IDString(browser2->tab_strip_model()));
  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));

  EXPECT_FALSE(GetIsDragged(browser()));
  EXPECT_FALSE(GetIsDragged(browser2));

  // Both windows should not be maximized
  EXPECT_FALSE(browser()->window()->IsMaximized());
  EXPECT_FALSE(browser2->window()->IsMaximized());
}

#if defined(OS_CHROMEOS) || defined(OS_LINUX)
// TODO(sky,sad): Disabled as it fails due to resize locks with a real
// compositor. crbug.com/331924
#define MAYBE_DragSingleTabToSeparateWindow \
  DISABLED_DragSingleTabToSeparateWindow
#else
#define MAYBE_DragSingleTabToSeparateWindow DragSingleTabToSeparateWindow
#endif
// Creates two browsers, the first browser has a single tab and drags into the
// second browser.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_DragSingleTabToSeparateWindow) {
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  ResetIDs(browser()->tab_strip_model(), 0);

  // Create another browser.
  Browser* browser2 = CreateAnotherWindowBrowserAndRelayout();
  TabStrip* tab_strip2 = GetTabStripForBrowser(browser2);
  const gfx::Rect initial_bounds(browser2->window()->GetBounds());

  // Move to the first tab and drag it enough so that it detaches, but not
  // enough that it attaches to browser2.
  gfx::Point tab_0_center(
      GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
      base::Bind(&DragAllToSeparateWindowStep2, this, tab_strip, tab_strip2,
                 browser_list)));
  QuitWhenNotDragging();

  // Should now be attached to tab_strip2.
  ASSERT_TRUE(tab_strip2->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());
  ASSERT_EQ(1u, browser_list->size());

  // Release the mouse, stopping the drag session.
  ASSERT_TRUE(ReleaseInput());
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());
  EXPECT_EQ("100 0", IDString(browser2->tab_strip_model()));

  EXPECT_FALSE(GetIsDragged(browser2));

  // Remaining browser window should not be maximized
  EXPECT_FALSE(browser2->window()->IsMaximized());

  // Make sure that the window is still managed and not user moved.
  EXPECT_TRUE(IsWindowPositionManaged(browser2->window()->GetNativeWindow()));
  EXPECT_FALSE(HasUserChangedWindowPositionOrSize(
      browser2->window()->GetNativeWindow()));
  // Also make sure that the drag to window position has not changed.
  EXPECT_EQ(initial_bounds.ToString(),
            browser2->window()->GetBounds().ToString());
}

namespace {

// Invoked from the nested run loop.
void CancelOnNewTabWhenDraggingStep2(
    DetachToBrowserTabDragControllerTest* test,
    const BrowserList* browser_list) {
  ASSERT_TRUE(TabDragController::IsActive());
  ASSERT_EQ(2u, browser_list->size());

  chrome::AddTabAt(browser_list->GetLastActive(), GURL(url::kAboutBlankURL),
                   0, false);
}

}  // namespace

#if defined(OS_CHROMEOS) || defined(OS_LINUX)
// TODO(sky,sad): Disabled as it fails due to resize locks with a real
// compositor. crbug.com/331924
#define MAYBE_CancelOnNewTabWhenDragging DISABLED_CancelOnNewTabWhenDragging
#else
#define MAYBE_CancelOnNewTabWhenDragging CancelOnNewTabWhenDragging
#endif
// Adds another tab, detaches into separate window, adds another tab and
// verifies the run loop ends.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       MAYBE_CancelOnNewTabWhenDragging) {
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Add another tab to browser().
  AddTabAndResetBrowser(browser());

  // Move to the first tab and drag it enough so that it detaches.
  gfx::Point tab_0_center(
      GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));

  // Add another tab. This should trigger exiting the nested loop. Add at the
  // beginning to exercise past crash when model/tabstrip got out of sync.
  // crbug.com/474082
  content::WindowedNotificationObserver observer(
      content::NOTIFICATION_LOAD_STOP,
      content::NotificationService::AllSources());
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
      base::Bind(&CancelOnNewTabWhenDraggingStep2, this, browser_list)));
  observer.Wait();

  // Should be two windows and not dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());
  ASSERT_EQ(2u, browser_list->size());
  for (auto* browser : *BrowserList::GetInstance()) {
    EXPECT_FALSE(GetIsDragged(browser));
    // Should not be maximized
    EXPECT_FALSE(browser->window()->IsMaximized());
  }
}

#if defined(OS_CHROMEOS)
// TODO(sky,sad): A number of tests below are disabled as they fail due to
// resize locks with a real compositor. crbug.com/331924
namespace {

void DragInMaximizedWindowStep2(DetachToBrowserTabDragControllerTest* test,
                                Browser* browser,
                                TabStrip* tab_strip,
                                const BrowserList* browser_list) {
  // There should be another browser.
  ASSERT_EQ(2u, browser_list->size());
  Browser* new_browser = browser_list->get(1);
  EXPECT_NE(browser, new_browser);
  ASSERT_TRUE(new_browser->window()->IsActive());
  TabStrip* tab_strip2 = GetTabStripForBrowser(new_browser);

  ASSERT_TRUE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());

  // Both windows should be visible.
  EXPECT_TRUE(tab_strip->GetWidget()->IsVisible());
  EXPECT_TRUE(tab_strip2->GetWidget()->IsVisible());

  // Stops dragging.
  ASSERT_TRUE(test->ReleaseInput());
}

}  // namespace

// Creates a browser with two tabs, maximizes it, drags the tab out.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTest,
                       DISABLED_DragInMaximizedWindow) {
  AddTabAndResetBrowser(browser());
  browser()->window()->Maximize();

  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Move to the first tab and drag it enough so that it detaches.
  gfx::Point tab_0_center(
      GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
      base::Bind(&DragInMaximizedWindowStep2, this, browser(), tab_strip,
                 browser_list)));
  QuitWhenNotDragging();

  ASSERT_FALSE(TabDragController::IsActive());

  // Should be two browsers.
  ASSERT_EQ(2u, browser_list->size());
  Browser* new_browser = browser_list->get(1);
  ASSERT_TRUE(new_browser->window()->IsActive());

  EXPECT_TRUE(browser()->window()->GetNativeWindow()->IsVisible());
  EXPECT_TRUE(new_browser->window()->GetNativeWindow()->IsVisible());

  EXPECT_FALSE(GetIsDragged(browser()));
  EXPECT_FALSE(GetIsDragged(new_browser));

  // The source window should be maximized.
  EXPECT_TRUE(browser()->window()->IsMaximized());
  // The new window should be maximized.
  EXPECT_TRUE(new_browser->window()->IsMaximized());
}

// Subclass of DetachToBrowserTabDragControllerTest that
// creates multiple displays.
class DetachToBrowserInSeparateDisplayTabDragControllerTest
    : public DetachToBrowserTabDragControllerTest {
 public:
  DetachToBrowserInSeparateDisplayTabDragControllerTest() {}
  virtual ~DetachToBrowserInSeparateDisplayTabDragControllerTest() {}

  void SetUpCommandLine(base::CommandLine* command_line) override {
    DetachToBrowserTabDragControllerTest::SetUpCommandLine(command_line);
    // Make screens sufficiently wide to host 2 browsers side by side.
    command_line->AppendSwitchASCII("ash-host-window-bounds",
                                    "0+0-600x600,601+0-600x600");
  }

 private:
  DISALLOW_COPY_AND_ASSIGN(
      DetachToBrowserInSeparateDisplayTabDragControllerTest);
};

// Subclass of DetachToBrowserTabDragControllerTest that runs tests only with
// touch input.
class DetachToBrowserTabDragControllerTestTouch
    : public DetachToBrowserTabDragControllerTest {
 public:
  DetachToBrowserTabDragControllerTestTouch() {}
  virtual ~DetachToBrowserTabDragControllerTestTouch() {}

 private:
  DISALLOW_COPY_AND_ASSIGN(DetachToBrowserTabDragControllerTestTouch);
};

namespace {

void DragSingleTabToSeparateWindowInSecondDisplayStep3(
    DetachToBrowserTabDragControllerTest* test) {
  ASSERT_TRUE(test->ReleaseInput());
}

void DragSingleTabToSeparateWindowInSecondDisplayStep2(
    DetachToBrowserTabDragControllerTest* test,
    const gfx::Point& target_point) {
  ASSERT_TRUE(test->DragInputToNotifyWhenDone(
      target_point.x(), target_point.y(),
      base::Bind(&DragSingleTabToSeparateWindowInSecondDisplayStep3, test)));
}

}  // namespace

// Drags from browser to a second display and releases input.
IN_PROC_BROWSER_TEST_P(DetachToBrowserInSeparateDisplayTabDragControllerTest,
                       DragSingleTabToSeparateWindowInSecondDisplay) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Move to the first tab and drag it enough so that it detaches.
  // Then drag it to the final destination on the second screen.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
                  tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
                  base::Bind(&DragSingleTabToSeparateWindowInSecondDisplayStep2,
                             this, gfx::Point(600 + tab_0_center.x(),
                                              tab_0_center.y()
                                              + GetDetachY(tab_strip)))));
  QuitWhenNotDragging();

  // Should no longer be dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  // There should now be another browser.
  ASSERT_EQ(2u, browser_list->size());
  Browser* new_browser = browser_list->get(1);
  ASSERT_TRUE(new_browser->window()->IsActive());
  TabStrip* tab_strip2 = GetTabStripForBrowser(new_browser);
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());

  // This other browser should be on the second screen (with mouse drag)
  // With the touch input the browser cannot be dragged from one screen
  // to another and the window stays on the first screen.
  if (input_source() == INPUT_SOURCE_MOUSE) {
    aura::Window::Windows roots = ash::Shell::GetAllRootWindows();
    ASSERT_EQ(2u, roots.size());
    aura::Window* second_root = roots[1];
    EXPECT_EQ(second_root,
              new_browser->window()->GetNativeWindow()->GetRootWindow());
  }

  EXPECT_EQ("0", IDString(new_browser->tab_strip_model()));
  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));

  // Both windows should not be maximized
  EXPECT_FALSE(browser()->window()->IsMaximized());
  EXPECT_FALSE(new_browser->window()->IsMaximized());
}

namespace {

// Invoked from the nested run loop.
void DragTabToWindowInSeparateDisplayStep2(
    DetachToBrowserTabDragControllerTest* test,
    TabStrip* not_attached_tab_strip,
    TabStrip* target_tab_strip) {
  ASSERT_FALSE(not_attached_tab_strip->IsDragSessionActive());
  ASSERT_FALSE(target_tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());

  // Drag to target_tab_strip. This should stop the nested loop from dragging
  // the window.
  gfx::Point target_point(
      GetCenterInScreenCoordinates(target_tab_strip->tab_at(0)));

  // Move it close to the beginning of the target tabstrip.
  target_point.set_x(
      target_point.x() - target_tab_strip->tab_at(0)->width() / 2 + 10);
  ASSERT_TRUE(test->DragInputToAsync(target_point));
}

}  // namespace

// Drags from browser to another browser on a second display and releases input.
IN_PROC_BROWSER_TEST_P(DetachToBrowserInSeparateDisplayTabDragControllerTest,
                       DragTabToWindowInSeparateDisplay) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Create another browser.
  Browser* browser2 = CreateBrowser(browser()->profile());
  TabStrip* tab_strip2 = GetTabStripForBrowser(browser2);
  ResetIDs(browser2->tab_strip_model(), 100);

  // Move the second browser to the second display.
  aura::Window::Windows roots = ash::Shell::GetAllRootWindows();
  ASSERT_EQ(2u, roots.size());
  aura::Window* second_root = roots[1];
  gfx::Rect work_area = display::Screen::GetScreen()
                            ->GetDisplayNearestWindow(second_root)
                            .work_area();
  browser2->window()->SetBounds(work_area);
  EXPECT_EQ(second_root,
            browser2->window()->GetNativeWindow()->GetRootWindow());

  // Move to the first tab and drag it enough so that it detaches, but not
  // enough that it attaches to browser2.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
                  tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
                  base::Bind(&DragTabToWindowInSeparateDisplayStep2,
                             this, tab_strip, tab_strip2)));
  QuitWhenNotDragging();

  // Should now be attached to tab_strip2.
  ASSERT_TRUE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());

  // Release the mouse, stopping the drag session.
  ASSERT_TRUE(ReleaseInput());
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());
  EXPECT_EQ("0 100", IDString(browser2->tab_strip_model()));
  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));

  // Both windows should not be maximized
  EXPECT_FALSE(browser()->window()->IsMaximized());
  EXPECT_FALSE(browser2->window()->IsMaximized());
}

IN_PROC_BROWSER_TEST_P(DetachToBrowserInSeparateDisplayTabDragControllerTest,
                       DragBrowserWindowWhenMajorityOfBoundsInSecondDisplay) {
  // Set the browser's window bounds such that the majority of its bounds
  // resides in the second display.
  aura::Window::Windows roots = ash::Shell::GetAllRootWindows();
  ASSERT_EQ(2u, roots.size());
  gfx::Rect browser_bounds =
      browser()->window()->GetNativeWindow()->GetBoundsInScreen();
  browser_bounds.set_x(roots[0]->GetBoundsInScreen().right() -
                       (browser_bounds.width() / 2) + 20);
  browser()->window()->GetNativeWindow()->SetBounds(browser_bounds);
  EXPECT_EQ(roots[0], browser()->window()->GetNativeWindow()->GetRootWindow());

  // Start dragging the window by the tab strip, and move it only to the edge
  // of the first display. Expect at that point mouse would warp and the window
  // will therefore reside in the second display when mouse is released.
  TabStrip* tab_strip = GetTabStripForBrowser(browser());
  const gfx::Point tab_0_center =
      GetCenterInScreenCoordinates(tab_strip->tab_at(0));
  gfx::Point target_point = tab_0_center;
  target_point.Offset(0, GetDetachY(tab_strip));
  const int first_display_warp_edge_x =
      roots[0]->GetBoundsInScreen().right() - 1;
  target_point.set_x(first_display_warp_edge_x);

  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
      base::Bind(&DragSingleTabToSeparateWindowInSecondDisplayStep2, this,
                 target_point)));

  QuitWhenNotDragging();

  // Should no longer be dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  // There should only be a single browser.
  ASSERT_EQ(1u, browser_list->size());
  ASSERT_EQ(browser(), browser_list->get(0));
  ASSERT_TRUE(browser()->window()->IsActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());

  // Browser now resides in display 2.
  EXPECT_EQ(roots[1], browser()->window()->GetNativeWindow()->GetRootWindow());
  display::Screen* screen = display::Screen::GetScreen();
  const int64_t second_display_id =
      screen->GetDisplayNearestWindow(roots[1]).id();
  const int64_t current_browser_display_id =
      screen->GetDisplayNearestWindow(browser()->window()->GetNativeWindow())
          .id();
  EXPECT_EQ(second_display_id, current_browser_display_id);
}

// Drags from browser to another browser on a second display and releases input.
IN_PROC_BROWSER_TEST_P(DetachToBrowserInSeparateDisplayTabDragControllerTest,
                       DragTabToWindowOnSecondDisplay) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Create another browser.
  Browser* browser2 = CreateBrowser(browser()->profile());
  TabStrip* tab_strip2 = GetTabStripForBrowser(browser2);
  ResetIDs(browser2->tab_strip_model(), 100);

  // Move both browsers to the second display.
  aura::Window::Windows roots = ash::Shell::GetAllRootWindows();
  ASSERT_EQ(2u, roots.size());
  aura::Window* second_root = roots[1];
  gfx::Rect work_area = display::Screen::GetScreen()
                            ->GetDisplayNearestWindow(second_root)
                            .work_area();
  browser()->window()->SetBounds(work_area);

  // position both browser windows side by side on the second screen.
  gfx::Rect work_area2(work_area);
  work_area.set_width(work_area.width()/2);
  browser()->window()->SetBounds(work_area);
  work_area2.set_x(work_area2.x() + work_area2.width()/2);
  work_area2.set_width(work_area2.width()/2);
  browser2->window()->SetBounds(work_area2);
  EXPECT_EQ(second_root,
            browser()->window()->GetNativeWindow()->GetRootWindow());
  EXPECT_EQ(second_root,
            browser2->window()->GetNativeWindow()->GetRootWindow());

  // Move to the first tab and drag it enough so that it detaches, but not
  // enough that it attaches to browser2.
  // SetEventGeneratorRootWindow sets correct (second) RootWindow
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  SetEventGeneratorRootWindow(tab_0_center);
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
                  tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
                  base::Bind(&DragTabToWindowInSeparateDisplayStep2,
                             this, tab_strip, tab_strip2)));
  QuitWhenNotDragging();

  // Should now be attached to tab_strip2.
  ASSERT_TRUE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());

  // Release the mouse, stopping the drag session.
  ASSERT_TRUE(ReleaseInput());
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());
  EXPECT_EQ("0 100", IDString(browser2->tab_strip_model()));
  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));

  // Both windows should not be maximized
  EXPECT_FALSE(browser()->window()->IsMaximized());
  EXPECT_FALSE(browser2->window()->IsMaximized());
}

// Drags from a maximized browser to another non-maximized browser on a second
// display and releases input.
IN_PROC_BROWSER_TEST_P(DetachToBrowserInSeparateDisplayTabDragControllerTest,
                       DragMaxTabToNonMaxWindowInSeparateDisplay) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  browser()->window()->Maximize();
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Create another browser on the second display.
  aura::Window::Windows roots = ash::Shell::GetAllRootWindows();
  ASSERT_EQ(2u, roots.size());
  aura::Window* first_root = roots[0];
  aura::Window* second_root = roots[1];
  gfx::Rect work_area = display::Screen::GetScreen()
                            ->GetDisplayNearestWindow(second_root)
                            .work_area();
  work_area.Inset(20, 20, 20, 60);
  Browser::CreateParams params(browser()->profile(), true);
  params.initial_show_state = ui::SHOW_STATE_NORMAL;
  params.initial_bounds = work_area;
  Browser* browser2 = new Browser(params);
  AddBlankTabAndShow(browser2);

  TabStrip* tab_strip2 = GetTabStripForBrowser(browser2);
  ResetIDs(browser2->tab_strip_model(), 100);

  EXPECT_EQ(second_root,
            browser2->window()->GetNativeWindow()->GetRootWindow());
  EXPECT_EQ(first_root,
            browser()->window()->GetNativeWindow()->GetRootWindow());
  EXPECT_EQ(2, tab_strip->tab_count());
  EXPECT_EQ(1, tab_strip2->tab_count());

  // Move to the first tab and drag it enough so that it detaches, but not
  // enough that it attaches to browser2.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
                  tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
                  base::Bind(&DragTabToWindowInSeparateDisplayStep2,
                             this, tab_strip, tab_strip2)));
  QuitWhenNotDragging();

  // Should now be attached to tab_strip2.
  ASSERT_TRUE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());

  // Release the mouse, stopping the drag session.
  ASSERT_TRUE(ReleaseInput());

  // tab should have moved
  EXPECT_EQ(1, tab_strip->tab_count());
  EXPECT_EQ(2, tab_strip2->tab_count());

  ASSERT_FALSE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());
  EXPECT_EQ("0 100", IDString(browser2->tab_strip_model()));
  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));

  // Source browser should still be maximized, target should not
  EXPECT_TRUE(browser()->window()->IsMaximized());
  EXPECT_FALSE(browser2->window()->IsMaximized());
}

// Drags from a restored browser to an immersive fullscreen browser on a
// second display and releases input.
IN_PROC_BROWSER_TEST_P(DetachToBrowserInSeparateDisplayTabDragControllerTest,
                       DISABLED_DragTabToImmersiveBrowserOnSeparateDisplay) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Create another browser.
  Browser* browser2 = CreateBrowser(browser()->profile());
  TabStrip* tab_strip2 = GetTabStripForBrowser(browser2);
  ResetIDs(browser2->tab_strip_model(), 100);

  // Move the second browser to the second display.
  aura::Window::Windows roots = ash::Shell::GetAllRootWindows();
  ASSERT_EQ(2u, roots.size());
  aura::Window* second_root = roots[1];
  gfx::Rect work_area = display::Screen::GetScreen()
                            ->GetDisplayNearestWindow(second_root)
                            .work_area();
  browser2->window()->SetBounds(work_area);
  EXPECT_EQ(second_root,
            browser2->window()->GetNativeWindow()->GetRootWindow());

  // Put the second browser into immersive fullscreen.
  BrowserView* browser_view2 = BrowserView::GetBrowserViewForBrowser(browser2);
  ImmersiveModeController* immersive_controller2 =
      browser_view2->immersive_mode_controller();
  ASSERT_EQ(ImmersiveModeController::Type::ASH, immersive_controller2->type());
  ash::ImmersiveFullscreenControllerTestApi(
      static_cast<ImmersiveModeControllerAsh*>(immersive_controller2)
          ->controller())
      .SetupForTest();
  chrome::ToggleFullscreenMode(browser2);
  // For MD, the browser's top chrome is completely offscreen, with tabstrip
  // visible.
  ASSERT_TRUE(immersive_controller2->IsEnabled());
  ASSERT_FALSE(immersive_controller2->IsRevealed());
  ASSERT_TRUE(tab_strip2->visible());

  // Move to the first tab and drag it enough so that it detaches, but not
  // enough that it attaches to browser2.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
                  tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
                  base::Bind(&DragTabToWindowInSeparateDisplayStep2,
                             this, tab_strip, tab_strip2)));
  QuitWhenNotDragging();

  // Should now be attached to tab_strip2.
  ASSERT_TRUE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());

  // browser2's top chrome should be revealed and the tab strip should be
  // at normal height while user is tragging tabs_strip2's tabs.
  ASSERT_TRUE(immersive_controller2->IsRevealed());
  ASSERT_TRUE(tab_strip2->visible());

  // Release the mouse, stopping the drag session.
  ASSERT_TRUE(ReleaseInput());
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());
  EXPECT_EQ("0 100", IDString(browser2->tab_strip_model()));
  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));

  // Move the mouse off of browser2's top chrome.
  aura::Window* primary_root = roots[0];
  ASSERT_TRUE(ui_test_utils::SendMouseMoveSync(
                  primary_root->GetBoundsInScreen().CenterPoint()));

  // The first browser window should not be in immersive fullscreen.
  // browser2 should still be in immersive fullscreen, but the top chrome should
  // no longer be revealed.
  BrowserView* browser_view = BrowserView::GetBrowserViewForBrowser(browser());
  EXPECT_FALSE(browser_view->immersive_mode_controller()->IsEnabled());

  EXPECT_TRUE(immersive_controller2->IsEnabled());
  EXPECT_FALSE(immersive_controller2->IsRevealed());
  EXPECT_TRUE(tab_strip2->visible());
}

// Subclass of DetachToBrowserTabDragControllerTest that
// creates multiple displays with different device scale factors.
class DifferentDeviceScaleFactorDisplayTabDragControllerTest
    : public DetachToBrowserTabDragControllerTest {
 public:
  DifferentDeviceScaleFactorDisplayTabDragControllerTest() {}
  virtual ~DifferentDeviceScaleFactorDisplayTabDragControllerTest() {}

  void SetUpCommandLine(base::CommandLine* command_line) override {
    DetachToBrowserTabDragControllerTest::SetUpCommandLine(command_line);
    command_line->AppendSwitchASCII("ash-host-window-bounds",
                                    "400x400,0+400-800x800*2");
  }

  float GetCursorDeviceScaleFactor() const {
    ash::CursorManagerTestApi cursor_test_api(
        ash::Shell::Get()->cursor_manager());
    return cursor_test_api.GetCurrentCursor().device_scale_factor();
  }

 private:
  DISALLOW_COPY_AND_ASSIGN(
      DifferentDeviceScaleFactorDisplayTabDragControllerTest);
};

namespace {

// The points where a tab is dragged in CursorDeviceScaleFactorStep.
const struct DragPoint {
  int x;
  int y;
} kDragPoints[] = {
  {300, 200},
  {399, 200},
  {500, 200},
  {400, 200},
  {300, 200},
};

// The expected device scale factors before the cursor is moved to the
// corresponding kDragPoints in CursorDeviceScaleFactorStep.
const float kDeviceScaleFactorExpectations[] = {
  1.0f,
  1.0f,
  2.0f,
  2.0f,
  1.0f,
};

static_assert(
    arraysize(kDragPoints) == arraysize(kDeviceScaleFactorExpectations),
    "kDragPoints and kDeviceScaleFactorExpectations must have the same "
    "number of elements");

// Drags tab to |kDragPoints[index]|, then calls the next step function.
void CursorDeviceScaleFactorStep(
    DifferentDeviceScaleFactorDisplayTabDragControllerTest* test,
    TabStrip* not_attached_tab_strip,
    size_t index) {
  ASSERT_FALSE(not_attached_tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());

  if (index < arraysize(kDragPoints)) {
    EXPECT_EQ(kDeviceScaleFactorExpectations[index],
              test->GetCursorDeviceScaleFactor());
    const DragPoint p = kDragPoints[index];
    ASSERT_TRUE(test->DragInputToNotifyWhenDone(
        p.x, p.y, base::Bind(&CursorDeviceScaleFactorStep,
                             test, not_attached_tab_strip, index + 1)));
  } else {
    // Finishes a serise of CursorDeviceScaleFactorStep calls and ends drag.
    EXPECT_EQ(1.0f, test->GetCursorDeviceScaleFactor());
    ASSERT_TRUE(ui_test_utils::SendMouseEventsSync(
        ui_controls::LEFT, ui_controls::UP));
  }
}

}  // namespace

// Verifies cursor's device scale factor is updated when a tab is moved across
// displays with different device scale factors (http://crbug.com/154183).
IN_PROC_BROWSER_TEST_P(DifferentDeviceScaleFactorDisplayTabDragControllerTest,
                       DISABLED_CursorDeviceScaleFactor) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  // Move the second browser to the second display.
  aura::Window::Windows roots = ash::Shell::GetAllRootWindows();
  ASSERT_EQ(2u, roots.size());

  // Move to the first tab and drag it enough so that it detaches.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
                  tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
                  base::Bind(&CursorDeviceScaleFactorStep,
                             this, tab_strip, 0)));
  QuitWhenNotDragging();
}

namespace {

class DetachToBrowserInSeparateDisplayAndCancelTabDragControllerTest
    : public TabDragControllerTest {
 public:
  DetachToBrowserInSeparateDisplayAndCancelTabDragControllerTest() {}

  void SetUpCommandLine(base::CommandLine* command_line) override {
    TabDragControllerTest::SetUpCommandLine(command_line);
    command_line->AppendSwitchASCII("ash-host-window-bounds",
                                    "0+0-250x250,251+0-250x250");
  }

  bool Press(const gfx::Point& position) {
    return ui_test_utils::SendMouseMoveSync(position) &&
        ui_test_utils::SendMouseEventsSync(ui_controls::LEFT,
                                           ui_controls::DOWN);
  }

  bool DragTabAndExecuteTaskWhenDone(const gfx::Point& position,
                                     base::Closure task) {
    return ui_controls::SendMouseMoveNotifyWhenDone(position.x(), position.y(),
                                                    std::move(task));
  }

  void QuitWhenNotDragging() {
    DCHECK(TabDragController::IsActive());
    test::QuitWhenNotDraggingImpl();
    base::RunLoop().Run();
  }

 private:
  DISALLOW_COPY_AND_ASSIGN(
      DetachToBrowserInSeparateDisplayAndCancelTabDragControllerTest);
};

// Invoked from the nested run loop.
void CancelDragTabToWindowInSeparateDisplayStep3(
    TabStrip* tab_strip,
    const BrowserList* browser_list) {
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());
  ASSERT_EQ(2u, browser_list->size());

  // Switching display mode should cancel the drag operation.
  display::DisplayManager* display_manager =
      ash::Shell::Get()->display_manager();
  display_manager->AddRemoveDisplay();
}

// Invoked from the nested run loop.
void CancelDragTabToWindowInSeparateDisplayStep2(
    DetachToBrowserInSeparateDisplayAndCancelTabDragControllerTest* test,
    TabStrip* tab_strip,
    aura::Window* current_root,
    gfx::Point final_destination,
    const BrowserList* browser_list) {
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_TRUE(TabDragController::IsActive());
  ASSERT_EQ(2u, browser_list->size());

  Browser* new_browser = browser_list->get(1);
  EXPECT_EQ(current_root,
            new_browser->window()->GetNativeWindow()->GetRootWindow());

  ASSERT_TRUE(test->DragTabAndExecuteTaskWhenDone(
      final_destination,
      base::Bind(&CancelDragTabToWindowInSeparateDisplayStep3,
                 tab_strip, browser_list)));
}

}  // namespace

// Drags from browser to a second display and releases input.
IN_PROC_BROWSER_TEST_F(
    DetachToBrowserInSeparateDisplayAndCancelTabDragControllerTest,
    CancelDragTabToWindowIn2ndDisplay) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  EXPECT_EQ("0 1", IDString(browser()->tab_strip_model()));

  // Move the second browser to the second display.
  aura::Window::Windows roots = ash::Shell::GetAllRootWindows();
  ASSERT_EQ(2u, roots.size());
  gfx::Point final_destination = display::Screen::GetScreen()
                                     ->GetDisplayNearestWindow(roots[1])
                                     .work_area()
                                     .CenterPoint();

  // Move to the first tab and drag it enough so that it detaches, but not
  // enough to move to another display.
  gfx::Point tab_0_dst(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(Press(tab_0_dst));
  tab_0_dst.Offset(0, GetDetachY(tab_strip));
  ASSERT_TRUE(DragTabAndExecuteTaskWhenDone(
      tab_0_dst, base::Bind(&CancelDragTabToWindowInSeparateDisplayStep2,
                            this, tab_strip, roots[0], final_destination,
                            browser_list)));
  QuitWhenNotDragging();

  ASSERT_EQ(1u, browser_list->size());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());
  EXPECT_EQ("0 1", IDString(browser()->tab_strip_model()));

  // Release the mouse
  ASSERT_TRUE(ui_test_utils::SendMouseEventsSync(
      ui_controls::LEFT, ui_controls::UP));
}

// Drags from browser from a second display to primary and releases input.
IN_PROC_BROWSER_TEST_F(
    DetachToBrowserInSeparateDisplayAndCancelTabDragControllerTest,
    CancelDragTabToWindowIn1stDisplay) {
  aura::Window::Windows roots = ash::Shell::GetAllRootWindows();
  ASSERT_EQ(2u, roots.size());

  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());

  EXPECT_EQ("0 1", IDString(browser()->tab_strip_model()));
  EXPECT_EQ(roots[0], browser()->window()->GetNativeWindow()->GetRootWindow());

  gfx::Rect work_area = display::Screen::GetScreen()
                            ->GetDisplayNearestWindow(roots[1])
                            .work_area();
  browser()->window()->SetBounds(work_area);
  EXPECT_EQ(roots[1], browser()->window()->GetNativeWindow()->GetRootWindow());

  // Move the second browser to the display.
  gfx::Point final_destination = display::Screen::GetScreen()
                                     ->GetDisplayNearestWindow(roots[0])
                                     .work_area()
                                     .CenterPoint();

  // Move to the first tab and drag it enough so that it detaches, but not
  // enough to move to another display.
  gfx::Point tab_0_dst(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(Press(tab_0_dst));
  tab_0_dst.Offset(0, GetDetachY(tab_strip));
  ASSERT_TRUE(DragTabAndExecuteTaskWhenDone(
      tab_0_dst, base::Bind(&CancelDragTabToWindowInSeparateDisplayStep2,
                            this, tab_strip, roots[1], final_destination,
                            browser_list)));
  QuitWhenNotDragging();

  ASSERT_EQ(1u, browser_list->size());
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());
  EXPECT_EQ("0 1", IDString(browser()->tab_strip_model()));

  // Release the mouse
  ASSERT_TRUE(ui_test_utils::SendMouseEventsSync(
      ui_controls::LEFT, ui_controls::UP));
}

namespace {
void PressSecondFingerWhileDetachedStep3(
    DetachToBrowserTabDragControllerTest* test) {
  ASSERT_TRUE(TabDragController::IsActive());
  ASSERT_EQ(2u, test->browser_list->size());
  ASSERT_TRUE(test->browser_list->get(1)->window()->IsActive());

  ASSERT_TRUE(test->ReleaseInput());
  ASSERT_TRUE(test->ReleaseInput2());
}

void PressSecondFingerWhileDetachedStep2(
    DetachToBrowserTabDragControllerTest* test,
    const gfx::Point& target_point) {
  ASSERT_TRUE(TabDragController::IsActive());
  ASSERT_EQ(2u, test->browser_list->size());
  ASSERT_TRUE(test->browser_list->get(1)->window()->IsActive());

  // Continue dragging after adding a second finger.
  ASSERT_TRUE(test->PressInput2());
  ASSERT_TRUE(test->DragInputToNotifyWhenDone(
      target_point.x(), target_point.y(),
      base::Bind(&PressSecondFingerWhileDetachedStep3, test)));
}

}  // namespace

// Detaches a tab and while detached presses a second finger.
IN_PROC_BROWSER_TEST_P(DetachToBrowserTabDragControllerTestTouch,
                       PressSecondFingerWhileDetached) {
  // Add another tab.
  AddTabAndResetBrowser(browser());
  TabStrip* tab_strip = GetTabStripForBrowser(browser());
  EXPECT_EQ("0 1", IDString(browser()->tab_strip_model()));

  // Move to the first tab and drag it enough so that it detaches.
  gfx::Point tab_0_center(GetCenterInScreenCoordinates(tab_strip->tab_at(0)));
  ASSERT_TRUE(PressInput(tab_0_center));
  ASSERT_TRUE(DragInputToNotifyWhenDone(
      tab_0_center.x(), tab_0_center.y() + GetDetachY(tab_strip),
      base::Bind(&PressSecondFingerWhileDetachedStep2, this,
                 gfx::Point(tab_0_center.x(),
                            tab_0_center.y() + 2 * GetDetachY(tab_strip)))));
  QuitWhenNotDragging();

  // Should no longer be dragging.
  ASSERT_FALSE(tab_strip->IsDragSessionActive());
  ASSERT_FALSE(TabDragController::IsActive());

  // There should now be another browser.
  ASSERT_EQ(2u, browser_list->size());
  Browser* new_browser = browser_list->get(1);
  ASSERT_TRUE(new_browser->window()->IsActive());
  TabStrip* tab_strip2 = GetTabStripForBrowser(new_browser);
  ASSERT_FALSE(tab_strip2->IsDragSessionActive());

  EXPECT_EQ("0", IDString(new_browser->tab_strip_model()));
  EXPECT_EQ("1", IDString(browser()->tab_strip_model()));
}

#endif  // OS_CHROMEOS

#if defined(OS_CHROMEOS)
INSTANTIATE_TEST_CASE_P(TabDragging,
                        DetachToBrowserInSeparateDisplayTabDragControllerTest,
                        ::testing::Values("mouse"));
INSTANTIATE_TEST_CASE_P(TabDragging,
                        DifferentDeviceScaleFactorDisplayTabDragControllerTest,
                        ::testing::Values("mouse"));
INSTANTIATE_TEST_CASE_P(TabDragging,
                        DetachToBrowserTabDragControllerTest,
                        ::testing::Values("mouse", "touch"));
INSTANTIATE_TEST_CASE_P(TabDragging,
                        DetachToBrowserTabDragControllerTestTouch,
                        ::testing::Values("touch"));
#else
INSTANTIATE_TEST_CASE_P(TabDragging,
                        DetachToBrowserTabDragControllerTest,
                        ::testing::Values("mouse"));
#endif