Merge "Dispatch cancel event to the correct target display" into main (478532c0) · Commits · e / devices / smdk4412 / android_frameworks_native

services/inputflinger/dispatcher/InputDispatcher.cpp

+7 −2

Original line number	Diff line number	Diff line
		@@ -3924,8 +3924,13 @@ void InputDispatcher::synthesizeCancelationEventsForConnectionLocked(
		<< connection->getInputChannelName().c_str() << reason << LOG_ID_EVENTS;

		InputTarget target;
		sp<WindowInfoHandle> windowHandle =
		getWindowHandleLocked(connection->inputChannel->getConnectionToken());
		sp<WindowInfoHandle> windowHandle;
		if (options.displayId) {
		windowHandle = getWindowHandleLocked(connection->inputChannel->getConnectionToken(),
		options.displayId.value());
		} else {
		windowHandle = getWindowHandleLocked(connection->inputChannel->getConnectionToken());
		}
		if (windowHandle != nullptr) {
		const WindowInfo* windowInfo = windowHandle->getInfo();
		target.setDefaultPointerTransform(windowInfo->transform);

services/inputflinger/tests/InputDispatcher_test.cpp

+55 −0

Original line number	Diff line number	Diff line
		@@ -4152,6 +4152,61 @@ TEST_F(InputDispatcherTest, TouchpadThreeFingerSwipeNotSentToSingleWindow) {
		window->assertNoEvents();
		}

		/**
		* When there are multiple screens, such as screen projection to TV or screen recording, if the
		* cancel event occurs, the coordinates of the cancel event should be sent to the target screen, and
		* its coordinates should be converted by the transform of the windows of target screen.
		*/
		TEST_F(InputDispatcherTest, WhenMultiDisplayWindowSameToken_DispatchCancelToTargetDisplay) {
		// This case will create a window and a spy window on the default display and mirror
		// window on the second display. cancel event is sent through spy window pilferPointers
		std::shared_ptr<FakeApplicationHandle> application = std::make_shared<FakeApplicationHandle>();

		sp<FakeWindowHandle> spyWindowDefaultDisplay =
		sp<FakeWindowHandle>::make(application, mDispatcher, "Spy", ADISPLAY_ID_DEFAULT);
		spyWindowDefaultDisplay->setTrustedOverlay(true);
		spyWindowDefaultDisplay->setSpy(true);

		sp<FakeWindowHandle> windowDefaultDisplay =
		sp<FakeWindowHandle>::make(application, mDispatcher, "DefaultDisplay",
		ADISPLAY_ID_DEFAULT);
		windowDefaultDisplay->setWindowTransform(1, 0, 0, 1);

		sp<FakeWindowHandle> windowSecondDisplay =
		windowDefaultDisplay->clone(application, mDispatcher, SECOND_DISPLAY_ID);
		windowSecondDisplay->setWindowTransform(2, 0, 0, 2);

		// Add the windows to the dispatcher
		mDispatcher->onWindowInfosChanged(
		{{spyWindowDefaultDisplay->getInfo(), windowDefaultDisplay->getInfo(),
		*windowSecondDisplay->getInfo()},
		{},
		0,
		0});

		// Send down to ADISPLAY_ID_DEFAULT
		ASSERT_EQ(InputEventInjectionResult::SUCCEEDED,
		injectMotionDown(mDispatcher, AINPUT_SOURCE_TOUCHSCREEN, ADISPLAY_ID_DEFAULT,
		{100, 100}))
		<< "Inject motion event should return InputEventInjectionResult::SUCCEEDED";

		spyWindowDefaultDisplay->consumeMotionDown();
		windowDefaultDisplay->consumeMotionDown();

		EXPECT_EQ(OK, mDispatcher->pilferPointers(spyWindowDefaultDisplay->getToken()));

		// windowDefaultDisplay gets cancel
		MotionEvent* event = windowDefaultDisplay->consumeMotion();
		EXPECT_EQ(AMOTION_EVENT_ACTION_CANCEL, event->getAction());

		// The cancel event is sent to windowDefaultDisplay of the ADISPLAY_ID_DEFAULT display, so the
		// coordinates of the cancel are converted by windowDefaultDisplay's transform, the x and y
		// coordinates are both 100, otherwise if the cancel event is sent to windowSecondDisplay of
		// SECOND_DISPLAY_ID, the x and y coordinates are 200
		EXPECT_EQ(100, event->getX(0));
		EXPECT_EQ(100, event->getY(0));
		}

		/**
		* Ensure the correct coordinate spaces are used by InputDispatcher.
		*