ui/wm/core/compound_event_filter_unittest.cc - chromium/src.git - Git at Google

 // 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 "ui/wm/core/compound_event_filter.h"

 #include "build/build_config.h"
 #include "build/chromeos_buildflags.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/env.h"
 #include "ui/aura/test/aura_test_base.h"
 #include "ui/aura/test/test_cursor_client.h"
 #include "ui/aura/test/test_windows.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/keycodes/dom/dom_code.h"
 #include "ui/events/test/event_generator.h"
 #include "ui/wm/public/activation_client.h"

 namespace {

 #if BUILDFLAG(IS_CHROMEOS_ASH) || BUILDFLAG(IS_WIN)
 base::TimeTicks GetTime() {
   return ui::EventTimeForNow();
 }
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH) || BUILDFLAG(IS_WIN)
 }

 namespace wm {

 namespace {

 // An event filter that consumes all gesture events.
 class ConsumeGestureEventFilter : public ui::EventHandler {
  public:
   ConsumeGestureEventFilter() {}

   ConsumeGestureEventFilter(const ConsumeGestureEventFilter&) = delete;
   ConsumeGestureEventFilter& operator=(const ConsumeGestureEventFilter&) =
       delete;

   ~ConsumeGestureEventFilter() override {}

  private:
   // Overridden from ui::EventHandler:
   void OnGestureEvent(ui::GestureEvent* e) override { e->StopPropagation(); }
 };

 }  // namespace

 typedef aura::test::AuraTestBase CompoundEventFilterTest;

 #if BUILDFLAG(IS_CHROMEOS_ASH)
 // A keypress only hides the cursor on ChromeOS (crbug.com/304296).
 TEST_F(CompoundEventFilterTest, CursorVisibilityChange) {
   std::unique_ptr<CompoundEventFilter> compound_filter(new CompoundEventFilter);
   aura::Env::GetInstance()->AddPreTargetHandler(compound_filter.get());
   aura::test::TestWindowDelegate delegate;
   std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
       &delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
   window->Show();
   window->SetCapture();

   aura::test::TestCursorClient cursor_client(root_window());

   // Send key event to hide the cursor.
   ui::KeyEvent key('a', ui::VKEY_A, ui::DomCode::NONE, ui::EF_NONE);
   DispatchEventUsingWindowDispatcher(&key);
   EXPECT_FALSE(cursor_client.IsCursorVisible());

   // Synthesized mouse event should not show the cursor.
   ui::MouseEvent enter(ui::ET_MOUSE_ENTERED, gfx::Point(10, 10),
                        gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
   enter.set_flags(enter.flags() | ui::EF_IS_SYNTHESIZED);
   DispatchEventUsingWindowDispatcher(&enter);
   EXPECT_FALSE(cursor_client.IsCursorVisible());

   ui::MouseEvent move(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
                       gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
   move.set_flags(enter.flags() | ui::EF_IS_SYNTHESIZED);
   DispatchEventUsingWindowDispatcher(&move);
   EXPECT_FALSE(cursor_client.IsCursorVisible());

   // A real mouse event should show the cursor.
   ui::MouseEvent real_move(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
                            gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
   DispatchEventUsingWindowDispatcher(&real_move);
   EXPECT_TRUE(cursor_client.IsCursorVisible());

   // Disallow hiding the cursor on keypress.
   cursor_client.set_should_hide_cursor_on_key_event(false);
   key = ui::KeyEvent('a', ui::VKEY_A, ui::DomCode::NONE, ui::EF_NONE);
   DispatchEventUsingWindowDispatcher(&key);
   EXPECT_TRUE(cursor_client.IsCursorVisible());

   // Allow hiding the cursor on keypress.
   cursor_client.set_should_hide_cursor_on_key_event(true);
   key = ui::KeyEvent('a', ui::VKEY_A, ui::DomCode::NONE, ui::EF_NONE);
   DispatchEventUsingWindowDispatcher(&key);
   EXPECT_FALSE(cursor_client.IsCursorVisible());

   // Mouse synthesized exit event should not show the cursor.
   ui::MouseEvent exit(ui::ET_MOUSE_EXITED, gfx::Point(10, 10),
                       gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
   exit.set_flags(enter.flags() | ui::EF_IS_SYNTHESIZED);
   DispatchEventUsingWindowDispatcher(&exit);
   EXPECT_FALSE(cursor_client.IsCursorVisible());

   aura::Env::GetInstance()->RemovePreTargetHandler(compound_filter.get());
 }
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH)

 #if BUILDFLAG(IS_CHROMEOS_ASH) || BUILDFLAG(IS_WIN)
 // Touch visually hides the cursor on ChromeOS and Windows.
 TEST_F(CompoundEventFilterTest, TouchHidesCursor) {
   std::unique_ptr<CompoundEventFilter> compound_filter(new CompoundEventFilter);
   aura::Env::GetInstance()->AddPreTargetHandler(compound_filter.get());
   aura::test::TestWindowDelegate delegate;
   std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
       &delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
   window->Show();
   window->SetCapture();

   aura::test::TestCursorClient cursor_client(root_window());

   ui::MouseEvent mouse0(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
                         gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
   DispatchEventUsingWindowDispatcher(&mouse0);
   EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());
   EXPECT_TRUE(cursor_client.IsCursorVisible());

   // This press is required for the GestureRecognizer to associate a target
   // with kTouchId
   ui::TouchEvent press0(ui::ET_TOUCH_PRESSED, gfx::Point(90, 90), GetTime(),
                         ui::PointerDetails(ui::EventPointerType::kTouch, 1));
   DispatchEventUsingWindowDispatcher(&press0);
   EXPECT_FALSE(cursor_client.IsMouseEventsEnabled());
   EXPECT_FALSE(cursor_client.IsCursorVisible());

   ui::TouchEvent move(ui::ET_TOUCH_MOVED, gfx::Point(10, 10), GetTime(),
                       ui::PointerDetails(ui::EventPointerType::kTouch, 1));
   DispatchEventUsingWindowDispatcher(&move);
   EXPECT_FALSE(cursor_client.IsMouseEventsEnabled());
   EXPECT_FALSE(cursor_client.IsCursorVisible());

   ui::TouchEvent release(ui::ET_TOUCH_RELEASED, gfx::Point(10, 10), GetTime(),
                          ui::PointerDetails(ui::EventPointerType::kTouch, 1));
   DispatchEventUsingWindowDispatcher(&release);
   EXPECT_FALSE(cursor_client.IsMouseEventsEnabled());
   EXPECT_FALSE(cursor_client.IsCursorVisible());

   ui::MouseEvent mouse1(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
                         gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
   // Move the cursor again. The cursor should be visible.
   DispatchEventUsingWindowDispatcher(&mouse1);
   EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());
   EXPECT_TRUE(cursor_client.IsCursorVisible());

   // Now activate the window and press on it again.
   ui::TouchEvent press1(ui::ET_TOUCH_PRESSED, gfx::Point(90, 90), GetTime(),
                         ui::PointerDetails(ui::EventPointerType::kTouch, 1));
   GetActivationClient(root_window())->ActivateWindow(window.get());
   DispatchEventUsingWindowDispatcher(&press1);
   EXPECT_FALSE(cursor_client.IsMouseEventsEnabled());
   EXPECT_FALSE(cursor_client.IsCursorVisible());
   aura::Env::GetInstance()->RemovePreTargetHandler(compound_filter.get());
 }
 #endif  // BUILDFLAG(IS_CHROMEOS_ASH) || BUILDFLAG(IS_WIN)

 // Tests that if an event filter consumes a gesture, then it doesn't focus the
 // window.
 TEST_F(CompoundEventFilterTest, FilterConsumedGesture) {
   std::unique_ptr<CompoundEventFilter> compound_filter(new CompoundEventFilter);
   std::unique_ptr<ui::EventHandler> gesure_handler(
       new ConsumeGestureEventFilter);
   compound_filter->AddHandler(gesure_handler.get());
   aura::Env::GetInstance()->AddPreTargetHandler(compound_filter.get());
   aura::test::TestWindowDelegate delegate;
   DCHECK(root_window());
   std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
       &delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
   window->Show();

   EXPECT_TRUE(window->CanFocus());
   EXPECT_FALSE(window->HasFocus());

   // Tap on the window should not focus it since the filter will be consuming
   // the gestures.
   ui::test::EventGenerator generator(root_window(), gfx::Point(50, 50));
   generator.PressTouch();
   EXPECT_FALSE(window->HasFocus());

   compound_filter->RemoveHandler(gesure_handler.get());
   aura::Env::GetInstance()->RemovePreTargetHandler(compound_filter.get());
 }

 // Verifies we don't attempt to hide the mouse when the mouse is down and a
 // touch event comes in.
 TEST_F(CompoundEventFilterTest, DontHideWhenMouseDown) {
   ui::test::EventGenerator event_generator(root_window());

   std::unique_ptr<CompoundEventFilter> compound_filter(new CompoundEventFilter);
   aura::Env::GetInstance()->AddPreTargetHandler(compound_filter.get());
   aura::test::TestWindowDelegate delegate;
   std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
       &delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
   window->Show();

   aura::test::TestCursorClient cursor_client(root_window());

   // Move and press the mouse over the window.
   event_generator.MoveMouseTo(10, 10);
   EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());
   event_generator.PressLeftButton();
   EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());
   EXPECT_TRUE(aura::Env::GetInstance()->IsMouseButtonDown());

   // Do a touch event. As the mouse button is down this should not disable mouse
   // events.
   event_generator.PressTouch();
   EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());
   aura::Env::GetInstance()->RemovePreTargetHandler(compound_filter.get());
 }

 #if BUILDFLAG(IS_WIN)
 // Windows synthesizes mouse messages for touch events. We should not be
 // showing the cursor when we receive such messages.
 TEST_F(CompoundEventFilterTest, DontShowCursorOnMouseMovesFromTouch) {
   std::unique_ptr<CompoundEventFilter> compound_filter(new CompoundEventFilter);
   aura::Env::GetInstance()->AddPreTargetHandler(compound_filter.get());
   aura::test::TestWindowDelegate delegate;
   std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
       &delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
   window->Show();
   window->SetCapture();

   aura::test::TestCursorClient cursor_client(root_window());
   cursor_client.DisableMouseEvents();
   EXPECT_FALSE(cursor_client.IsMouseEventsEnabled());

   ui::MouseEvent mouse0(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
                         gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
   mouse0.set_flags(mouse0.flags() | ui::EF_FROM_TOUCH);

   DispatchEventUsingWindowDispatcher(&mouse0);
   EXPECT_FALSE(cursor_client.IsMouseEventsEnabled());

   mouse0.set_flags(mouse0.flags() & ~ui::EF_FROM_TOUCH);
   DispatchEventUsingWindowDispatcher(&mouse0);
   EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());

   aura::Env::GetInstance()->RemovePreTargetHandler(compound_filter.get());
 }
 #endif

 }  // namespace wm
	// 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 "ui/wm/core/compound_event_filter.h"

	#include "build/build_config.h"
	#include "build/chromeos_buildflags.h"
	#include "ui/aura/client/cursor_client.h"
	#include "ui/aura/env.h"
	#include "ui/aura/test/aura_test_base.h"
	#include "ui/aura/test/test_cursor_client.h"
	#include "ui/aura/test/test_windows.h"
	#include "ui/aura/window.h"
	#include "ui/aura/window_event_dispatcher.h"
	#include "ui/events/event.h"
	#include "ui/events/event_utils.h"
	#include "ui/events/keycodes/dom/dom_code.h"
	#include "ui/events/test/event_generator.h"
	#include "ui/wm/public/activation_client.h"

	namespace {

	#if BUILDFLAG(IS_CHROMEOS_ASH) \|\| BUILDFLAG(IS_WIN)
	base::TimeTicks GetTime() {
	return ui::EventTimeForNow();
	}
	#endif // BUILDFLAG(IS_CHROMEOS_ASH) \|\| BUILDFLAG(IS_WIN)
	}

	namespace wm {

	namespace {

	// An event filter that consumes all gesture events.
	class ConsumeGestureEventFilter : public ui::EventHandler {
	public:
	ConsumeGestureEventFilter() {}

	ConsumeGestureEventFilter(const ConsumeGestureEventFilter&) = delete;
	ConsumeGestureEventFilter& operator=(const ConsumeGestureEventFilter&) =
	delete;

	~ConsumeGestureEventFilter() override {}

	private:
	// Overridden from ui::EventHandler:
	void OnGestureEvent(ui::GestureEvent* e) override { e->StopPropagation(); }
	};

	} // namespace

	typedef aura::test::AuraTestBase CompoundEventFilterTest;

	#if BUILDFLAG(IS_CHROMEOS_ASH)
	// A keypress only hides the cursor on ChromeOS (crbug.com/304296).
	TEST_F(CompoundEventFilterTest, CursorVisibilityChange) {
	std::unique_ptr<CompoundEventFilter> compound_filter(new CompoundEventFilter);
	aura::Env::GetInstance()->AddPreTargetHandler(compound_filter.get());
	aura::test::TestWindowDelegate delegate;
	std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
	&delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
	window->Show();
	window->SetCapture();

	aura::test::TestCursorClient cursor_client(root_window());

	// Send key event to hide the cursor.
	ui::KeyEvent key('a', ui::VKEY_A, ui::DomCode::NONE, ui::EF_NONE);
	DispatchEventUsingWindowDispatcher(&key);
	EXPECT_FALSE(cursor_client.IsCursorVisible());

	// Synthesized mouse event should not show the cursor.
	ui::MouseEvent enter(ui::ET_MOUSE_ENTERED, gfx::Point(10, 10),
	gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
	enter.set_flags(enter.flags() \| ui::EF_IS_SYNTHESIZED);
	DispatchEventUsingWindowDispatcher(&enter);
	EXPECT_FALSE(cursor_client.IsCursorVisible());

	ui::MouseEvent move(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
	gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
	move.set_flags(enter.flags() \| ui::EF_IS_SYNTHESIZED);
	DispatchEventUsingWindowDispatcher(&move);
	EXPECT_FALSE(cursor_client.IsCursorVisible());

	// A real mouse event should show the cursor.
	ui::MouseEvent real_move(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
	gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
	DispatchEventUsingWindowDispatcher(&real_move);
	EXPECT_TRUE(cursor_client.IsCursorVisible());

	// Disallow hiding the cursor on keypress.
	cursor_client.set_should_hide_cursor_on_key_event(false);
	key = ui::KeyEvent('a', ui::VKEY_A, ui::DomCode::NONE, ui::EF_NONE);
	DispatchEventUsingWindowDispatcher(&key);
	EXPECT_TRUE(cursor_client.IsCursorVisible());

	// Allow hiding the cursor on keypress.
	cursor_client.set_should_hide_cursor_on_key_event(true);
	key = ui::KeyEvent('a', ui::VKEY_A, ui::DomCode::NONE, ui::EF_NONE);
	DispatchEventUsingWindowDispatcher(&key);
	EXPECT_FALSE(cursor_client.IsCursorVisible());

	// Mouse synthesized exit event should not show the cursor.
	ui::MouseEvent exit(ui::ET_MOUSE_EXITED, gfx::Point(10, 10),
	gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
	exit.set_flags(enter.flags() \| ui::EF_IS_SYNTHESIZED);
	DispatchEventUsingWindowDispatcher(&exit);
	EXPECT_FALSE(cursor_client.IsCursorVisible());

	aura::Env::GetInstance()->RemovePreTargetHandler(compound_filter.get());
	}
	#endif // BUILDFLAG(IS_CHROMEOS_ASH)

	#if BUILDFLAG(IS_CHROMEOS_ASH) \|\| BUILDFLAG(IS_WIN)
	// Touch visually hides the cursor on ChromeOS and Windows.
	TEST_F(CompoundEventFilterTest, TouchHidesCursor) {
	std::unique_ptr<CompoundEventFilter> compound_filter(new CompoundEventFilter);
	aura::Env::GetInstance()->AddPreTargetHandler(compound_filter.get());
	aura::test::TestWindowDelegate delegate;
	std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
	&delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
	window->Show();
	window->SetCapture();

	aura::test::TestCursorClient cursor_client(root_window());

	ui::MouseEvent mouse0(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
	gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
	DispatchEventUsingWindowDispatcher(&mouse0);
	EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());
	EXPECT_TRUE(cursor_client.IsCursorVisible());

	// This press is required for the GestureRecognizer to associate a target
	// with kTouchId
	ui::TouchEvent press0(ui::ET_TOUCH_PRESSED, gfx::Point(90, 90), GetTime(),
	ui::PointerDetails(ui::EventPointerType::kTouch, 1));
	DispatchEventUsingWindowDispatcher(&press0);
	EXPECT_FALSE(cursor_client.IsMouseEventsEnabled());
	EXPECT_FALSE(cursor_client.IsCursorVisible());

	ui::TouchEvent move(ui::ET_TOUCH_MOVED, gfx::Point(10, 10), GetTime(),
	ui::PointerDetails(ui::EventPointerType::kTouch, 1));
	DispatchEventUsingWindowDispatcher(&move);
	EXPECT_FALSE(cursor_client.IsMouseEventsEnabled());
	EXPECT_FALSE(cursor_client.IsCursorVisible());

	ui::TouchEvent release(ui::ET_TOUCH_RELEASED, gfx::Point(10, 10), GetTime(),
	ui::PointerDetails(ui::EventPointerType::kTouch, 1));
	DispatchEventUsingWindowDispatcher(&release);
	EXPECT_FALSE(cursor_client.IsMouseEventsEnabled());
	EXPECT_FALSE(cursor_client.IsCursorVisible());

	ui::MouseEvent mouse1(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
	gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
	// Move the cursor again. The cursor should be visible.
	DispatchEventUsingWindowDispatcher(&mouse1);
	EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());
	EXPECT_TRUE(cursor_client.IsCursorVisible());

	// Now activate the window and press on it again.
	ui::TouchEvent press1(ui::ET_TOUCH_PRESSED, gfx::Point(90, 90), GetTime(),
	ui::PointerDetails(ui::EventPointerType::kTouch, 1));
	GetActivationClient(root_window())->ActivateWindow(window.get());
	DispatchEventUsingWindowDispatcher(&press1);
	EXPECT_FALSE(cursor_client.IsMouseEventsEnabled());
	EXPECT_FALSE(cursor_client.IsCursorVisible());
	aura::Env::GetInstance()->RemovePreTargetHandler(compound_filter.get());
	}
	#endif // BUILDFLAG(IS_CHROMEOS_ASH) \|\| BUILDFLAG(IS_WIN)

	// Tests that if an event filter consumes a gesture, then it doesn't focus the
	// window.
	TEST_F(CompoundEventFilterTest, FilterConsumedGesture) {
	std::unique_ptr<CompoundEventFilter> compound_filter(new CompoundEventFilter);
	std::unique_ptr<ui::EventHandler> gesure_handler(
	new ConsumeGestureEventFilter);
	compound_filter->AddHandler(gesure_handler.get());
	aura::Env::GetInstance()->AddPreTargetHandler(compound_filter.get());
	aura::test::TestWindowDelegate delegate;
	DCHECK(root_window());
	std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
	&delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
	window->Show();

	EXPECT_TRUE(window->CanFocus());
	EXPECT_FALSE(window->HasFocus());

	// Tap on the window should not focus it since the filter will be consuming
	// the gestures.
	ui::test::EventGenerator generator(root_window(), gfx::Point(50, 50));
	generator.PressTouch();
	EXPECT_FALSE(window->HasFocus());

	compound_filter->RemoveHandler(gesure_handler.get());
	aura::Env::GetInstance()->RemovePreTargetHandler(compound_filter.get());
	}

	// Verifies we don't attempt to hide the mouse when the mouse is down and a
	// touch event comes in.
	TEST_F(CompoundEventFilterTest, DontHideWhenMouseDown) {
	ui::test::EventGenerator event_generator(root_window());

	std::unique_ptr<CompoundEventFilter> compound_filter(new CompoundEventFilter);
	aura::Env::GetInstance()->AddPreTargetHandler(compound_filter.get());
	aura::test::TestWindowDelegate delegate;
	std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
	&delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
	window->Show();

	aura::test::TestCursorClient cursor_client(root_window());

	// Move and press the mouse over the window.
	event_generator.MoveMouseTo(10, 10);
	EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());
	event_generator.PressLeftButton();
	EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());
	EXPECT_TRUE(aura::Env::GetInstance()->IsMouseButtonDown());

	// Do a touch event. As the mouse button is down this should not disable mouse
	// events.
	event_generator.PressTouch();
	EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());
	aura::Env::GetInstance()->RemovePreTargetHandler(compound_filter.get());
	}

	#if BUILDFLAG(IS_WIN)
	// Windows synthesizes mouse messages for touch events. We should not be
	// showing the cursor when we receive such messages.
	TEST_F(CompoundEventFilterTest, DontShowCursorOnMouseMovesFromTouch) {
	std::unique_ptr<CompoundEventFilter> compound_filter(new CompoundEventFilter);
	aura::Env::GetInstance()->AddPreTargetHandler(compound_filter.get());
	aura::test::TestWindowDelegate delegate;
	std::unique_ptr<aura::Window> window(CreateTestWindowWithDelegate(
	&delegate, 1234, gfx::Rect(5, 5, 100, 100), root_window()));
	window->Show();
	window->SetCapture();

	aura::test::TestCursorClient cursor_client(root_window());
	cursor_client.DisableMouseEvents();
	EXPECT_FALSE(cursor_client.IsMouseEventsEnabled());

	ui::MouseEvent mouse0(ui::ET_MOUSE_MOVED, gfx::Point(10, 10),
	gfx::Point(10, 10), ui::EventTimeForNow(), 0, 0);
	mouse0.set_flags(mouse0.flags() \| ui::EF_FROM_TOUCH);

	DispatchEventUsingWindowDispatcher(&mouse0);
	EXPECT_FALSE(cursor_client.IsMouseEventsEnabled());

	mouse0.set_flags(mouse0.flags() & ~ui::EF_FROM_TOUCH);
	DispatchEventUsingWindowDispatcher(&mouse0);
	EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());

	aura::Env::GetInstance()->RemovePreTargetHandler(compound_filter.get());
	}
	#endif

	} // namespace wm