libs/gui/tests/EndToEndNativeInputTest.cpp - android_frameworks_native - Gitiles

 /*
  * Copyright 2018 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #include <gtest/gtest.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <stdio.h>
 #include <poll.h>

 #include <memory>

 #include <android/native_window.h>

 #include <binder/Binder.h>
 #include <binder/IServiceManager.h>
 #include <binder/Parcel.h>
 #include <binder/ProcessState.h>

 #include <gui/ISurfaceComposer.h>
 #include <gui/Surface.h>
 #include <gui/SurfaceComposerClient.h>
 #include <gui/SurfaceControl.h>

 #include <input/InputWindow.h>
 #include <input/IInputFlinger.h>
 #include <input/InputTransport.h>
 #include <input/Input.h>

 #include <ui/DisplayInfo.h>
 #include <ui/Rect.h>
 #include <ui/Region.h>


 namespace android {
 namespace test {

 using Transaction = SurfaceComposerClient::Transaction;

 sp<IInputFlinger> getInputFlinger() {
    sp<IBinder> input(defaultServiceManager()->getService(
             String16("inputflinger")));
     if (input == nullptr) {
         ALOGE("Failed to link to input service");
     } else { ALOGE("Linked to input"); }
     return interface_cast<IInputFlinger>(input);
 }

 // We use the top 10 layers as a way to haphazardly place ourselves above anything else.
 static const int LAYER_BASE = INT32_MAX - 10;

 class InputSurface {
 public:
     InputSurface(const sp<SurfaceControl> &sc, int width, int height) {
         mSurfaceControl = sc;

         InputChannel::openInputChannelPair("testchannels", mServerChannel, mClientChannel);
         mServerChannel->setToken(new BBinder());

         mInputFlinger = getInputFlinger();
         mInputFlinger->registerInputChannel(mServerChannel);

         populateInputInfo(width, height);

         mInputConsumer = new InputConsumer(mClientChannel);
     }

     static std::unique_ptr<InputSurface> makeColorInputSurface(const sp<SurfaceComposerClient> &scc,
                                                                int width, int height) {
         sp<SurfaceControl> surfaceControl =
                 scc->createSurface(String8("Test Surface"), 0 /* bufHeight */, 0 /* bufWidth */,
                                    PIXEL_FORMAT_RGBA_8888, ISurfaceComposerClient::eFXSurfaceColor);
         return std::make_unique<InputSurface>(surfaceControl, width, height);
     }

     static std::unique_ptr<InputSurface> makeBufferInputSurface(
             const sp<SurfaceComposerClient> &scc, int width, int height) {
         sp<SurfaceControl> surfaceControl =
                 scc->createSurface(String8("Test Buffer Surface"), width, height,
                                    PIXEL_FORMAT_RGBA_8888, 0 /* flags */);
         return std::make_unique<InputSurface>(surfaceControl, width, height);
     }

     static std::unique_ptr<InputSurface> makeContainerInputSurface(
             const sp<SurfaceComposerClient> &scc, int width, int height) {
         sp<SurfaceControl> surfaceControl =
                 scc->createSurface(String8("Test Container Surface"), 0 /* bufHeight */,
                                    0 /* bufWidth */, PIXEL_FORMAT_RGBA_8888,
                                    ISurfaceComposerClient::eFXSurfaceContainer);
         return std::make_unique<InputSurface>(surfaceControl, width, height);
     }

     InputEvent* consumeEvent() {
         waitForEventAvailable();

         InputEvent *ev;
         uint32_t seqId;
         status_t consumed = mInputConsumer->consume(&mInputEventFactory, true, -1, &seqId, &ev);
         if (consumed != OK) {
             return nullptr;
         }
         mInputConsumer->sendFinishedSignal(seqId, true);
         return ev;
     }

     void expectTap(int x, int y) {
         InputEvent* ev = consumeEvent();
         EXPECT_TRUE(ev != nullptr);
         EXPECT_TRUE(ev->getType() == AINPUT_EVENT_TYPE_MOTION);
         MotionEvent* mev = static_cast<MotionEvent*>(ev);
         EXPECT_EQ(AMOTION_EVENT_ACTION_DOWN, mev->getAction());
         EXPECT_EQ(x, mev->getX(0));
         EXPECT_EQ(y, mev->getY(0));

         ev = consumeEvent();
         EXPECT_TRUE(ev != nullptr);
         EXPECT_TRUE(ev->getType() == AINPUT_EVENT_TYPE_MOTION);
         mev = static_cast<MotionEvent*>(ev);
         EXPECT_EQ(AMOTION_EVENT_ACTION_UP, mev->getAction());
     }

     ~InputSurface() {
         mInputFlinger->unregisterInputChannel(mServerChannel);
     }

     void doTransaction(std::function<void(SurfaceComposerClient::Transaction&,
                     const sp<SurfaceControl>&)> transactionBody) {
         SurfaceComposerClient::Transaction t;
         transactionBody(t, mSurfaceControl);
         t.apply(true);
     }

     void showAt(int x, int y) {
         SurfaceComposerClient::Transaction t;
         t.show(mSurfaceControl);
         t.setInputWindowInfo(mSurfaceControl, mInputInfo);
         t.setLayer(mSurfaceControl, LAYER_BASE);
         t.setPosition(mSurfaceControl, x, y);
         t.setCrop_legacy(mSurfaceControl, Rect(0, 0, 100, 100));
         t.setAlpha(mSurfaceControl, 1);
         t.apply(true);
     }

 private:
     void waitForEventAvailable() {
         struct pollfd fd;

         fd.fd = mClientChannel->getFd();
         fd.events = POLLIN;
         poll(&fd, 1, 3000);
     }

     void populateInputInfo(int width, int height) {
         mInputInfo.token = mServerChannel->getToken();
         mInputInfo.name = "Test info";
         mInputInfo.layoutParamsFlags = InputWindowInfo::FLAG_NOT_TOUCH_MODAL;
         mInputInfo.layoutParamsType = InputWindowInfo::TYPE_BASE_APPLICATION;
         mInputInfo.dispatchingTimeout = 100000;
         mInputInfo.globalScaleFactor = 1.0;
         mInputInfo.canReceiveKeys = true;
         mInputInfo.hasFocus = true;
         mInputInfo.hasWallpaper = false;
         mInputInfo.paused = false;

         mInputInfo.touchableRegion.orSelf(Rect(0, 0, width, height));

         // TODO: Fill in from SF?
         mInputInfo.ownerPid = 11111;
         mInputInfo.ownerUid = 11111;
         mInputInfo.inputFeatures = 0;
         mInputInfo.displayId = 0;

         InputApplicationInfo aInfo;
         aInfo.token = new BBinder();
         aInfo.name = "Test app info";
         aInfo.dispatchingTimeout = 100000;

         mInputInfo.applicationInfo = aInfo;
     }
 public:
     sp<SurfaceControl> mSurfaceControl;
     sp<InputChannel> mServerChannel, mClientChannel;
     sp<IInputFlinger> mInputFlinger;

     InputWindowInfo mInputInfo;

     PreallocatedInputEventFactory mInputEventFactory;
     InputConsumer* mInputConsumer;
 };

 class InputSurfacesTest : public ::testing::Test {
 public:
     InputSurfacesTest() {
         ProcessState::self()->startThreadPool();
     }

     void SetUp() {
         mComposerClient = new SurfaceComposerClient;
         ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());

         const auto display = mComposerClient->getInternalDisplayToken();
         ASSERT_FALSE(display == nullptr);

         DisplayInfo info;
         ASSERT_EQ(NO_ERROR, mComposerClient->getDisplayInfo(display, &info));

         // After a new buffer is queued, SurfaceFlinger is notified and will
         // latch the new buffer on next vsync.  Let's heuristically wait for 3
         // vsyncs.
         mBufferPostDelay = int32_t(1e6 / info.fps) * 3;
     }

     void TearDown() {
         mComposerClient->dispose();
     }

     std::unique_ptr<InputSurface> makeSurface(int width, int height) {
         return InputSurface::makeColorInputSurface(mComposerClient, width, height);
     }

     void postBuffer(const sp<SurfaceControl> &layer) {
         // wait for previous transactions (such as setSize) to complete
         Transaction().apply(true);
         ANativeWindow_Buffer buffer = {};
         EXPECT_EQ(NO_ERROR, layer->getSurface()->lock(&buffer, nullptr));
         ASSERT_EQ(NO_ERROR, layer->getSurface()->unlockAndPost());
         // Request an empty transaction to get applied synchronously to ensure the buffer is
         // latched.
         Transaction().apply(true);
         usleep(mBufferPostDelay);
     }

     sp<SurfaceComposerClient> mComposerClient;
     int32_t mBufferPostDelay;
 };

 void injectTap(int x, int y) {
     char *buf1, *buf2;
     asprintf(&buf1, "%d", x);
     asprintf(&buf2, "%d", y);
     if (fork() == 0) {
         execlp("input", "input", "tap", buf1, buf2, NULL);
     }
 }

 TEST_F(InputSurfacesTest, can_receive_input) {
     std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
     surface->showAt(100, 100);

     injectTap(101, 101);

     EXPECT_TRUE(surface->consumeEvent() != nullptr);
 }

 TEST_F(InputSurfacesTest, input_respects_positioning) {
     std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
     surface->showAt(100, 100);

     std::unique_ptr<InputSurface> surface2 = makeSurface(100, 100);
     surface2->showAt(200, 200);

     injectTap(201, 201);
     surface2->expectTap(1, 1);

     injectTap(101, 101);
     surface->expectTap(1, 1);

     surface2->doTransaction([](auto &t, auto &sc) {
          t.setPosition(sc, 100, 100);
     });
     surface->doTransaction([](auto &t, auto &sc) {
          t.setPosition(sc, 200, 200);
     });

     injectTap(101, 101);
     surface2->expectTap(1, 1);

     injectTap(201, 201);
     surface->expectTap(1, 1);
 }

 TEST_F(InputSurfacesTest, input_respects_layering) {
     std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
     std::unique_ptr<InputSurface> surface2 = makeSurface(100, 100);

     surface->showAt(10, 10);
     surface2->showAt(10, 10);

     surface->doTransaction([](auto &t, auto &sc) {
          t.setLayer(sc, LAYER_BASE + 1);
     });

     injectTap(11, 11);
     surface->expectTap(1, 1);

     surface2->doTransaction([](auto &t, auto &sc) {
          t.setLayer(sc, LAYER_BASE + 1);
     });

     injectTap(11, 11);
     surface2->expectTap(1, 1);

     surface2->doTransaction([](auto &t, auto &sc) {
          t.hide(sc);
     });

     injectTap(11, 11);
     surface->expectTap(1, 1);
 }

 // Surface Insets are set to offset the client content and draw a border around the client surface
 // (such as shadows in dialogs). Inputs sent to the client are offset such that 0,0 is the start
 // of the client content.
 TEST_F(InputSurfacesTest, input_respects_surface_insets) {
     std::unique_ptr<InputSurface> bgSurface = makeSurface(100, 100);
     std::unique_ptr<InputSurface> fgSurface = makeSurface(100, 100);
     bgSurface->showAt(100, 100);

     fgSurface->mInputInfo.surfaceInset = 5;
     fgSurface->showAt(100, 100);

     injectTap(106, 106);
     fgSurface->expectTap(1, 1);

     injectTap(101, 101);
     bgSurface->expectTap(1, 1);
 }

 // Ensure a surface whose insets are cropped, handles the touch offset correctly. ref:b/120413463
 TEST_F(InputSurfacesTest, input_respects_cropped_surface_insets) {
     std::unique_ptr<InputSurface> parentSurface = makeSurface(100, 100);
     std::unique_ptr<InputSurface> childSurface = makeSurface(100, 100);
     parentSurface->showAt(100, 100);

     childSurface->mInputInfo.surfaceInset = 10;
     childSurface->showAt(100, 100);

     childSurface->doTransaction([&](auto &t, auto &sc) {
         t.setPosition(sc, -5, -5);
         t.reparent(sc, parentSurface->mSurfaceControl->getHandle());
     });

     injectTap(106, 106);
     childSurface->expectTap(1, 1);

     injectTap(101, 101);
     parentSurface->expectTap(1, 1);
 }

 // Ensure a surface whose insets are scaled, handles the touch offset correctly.
 TEST_F(InputSurfacesTest, input_respects_scaled_surface_insets) {
     std::unique_ptr<InputSurface> bgSurface = makeSurface(100, 100);
     std::unique_ptr<InputSurface> fgSurface = makeSurface(100, 100);
     bgSurface->showAt(100, 100);

     fgSurface->mInputInfo.surfaceInset = 5;
     fgSurface->showAt(100, 100);

     fgSurface->doTransaction([&](auto &t, auto &sc) { t.setMatrix(sc, 2.0, 0, 0, 4.0); });

     // expect = touch / scale - inset
     injectTap(112, 124);
     fgSurface->expectTap(1, 1);

     injectTap(101, 101);
     bgSurface->expectTap(1, 1);
 }

 TEST_F(InputSurfacesTest, input_respects_scaled_surface_insets_overflow) {
     std::unique_ptr<InputSurface> fgSurface = makeSurface(100, 100);
     // In case we pass the very big inset without any checking.
     fgSurface->mInputInfo.surfaceInset = INT32_MAX;
     fgSurface->showAt(100, 100);

     fgSurface->doTransaction([&](auto &t, auto &sc) { t.setMatrix(sc, 2.0, 0, 0, 2.0); });

     // expect no crash for overflow, and inset size to be clamped to surface size
     injectTap(202, 202);
     fgSurface->expectTap(1, 1);
 }

 // Ensure we ignore transparent region when getting screen bounds when positioning input frame.
 TEST_F(InputSurfacesTest, input_ignores_transparent_region) {
     std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
     surface->doTransaction([](auto &t, auto &sc) {
         Region transparentRegion(Rect(0, 0, 10, 10));
         t.setTransparentRegionHint(sc, transparentRegion);
     });
     surface->showAt(100, 100);
     injectTap(101, 101);
     surface->expectTap(1, 1);
 }

 // TODO(b/139494112) update tests once we define expected behavior
 // Ensure we still send input to the surface regardless of surface visibility changes due to the
 // first buffer being submitted or alpha changes.
 // Original bug ref: b/120839715
 TEST_F(InputSurfacesTest, input_ignores_buffer_layer_buffer) {
     std::unique_ptr<InputSurface> bgSurface = makeSurface(100, 100);
     std::unique_ptr<InputSurface> bufferSurface =
             InputSurface::makeBufferInputSurface(mComposerClient, 100, 100);

     bgSurface->showAt(10, 10);
     bufferSurface->showAt(10, 10);

     injectTap(11, 11);
     bufferSurface->expectTap(1, 1);

     postBuffer(bufferSurface->mSurfaceControl);
     injectTap(11, 11);
     bufferSurface->expectTap(1, 1);
 }

 TEST_F(InputSurfacesTest, input_ignores_buffer_layer_alpha) {
     std::unique_ptr<InputSurface> bgSurface = makeSurface(100, 100);
     std::unique_ptr<InputSurface> bufferSurface =
             InputSurface::makeBufferInputSurface(mComposerClient, 100, 100);
     postBuffer(bufferSurface->mSurfaceControl);

     bgSurface->showAt(10, 10);
     bufferSurface->showAt(10, 10);

     injectTap(11, 11);
     bufferSurface->expectTap(1, 1);

     bufferSurface->doTransaction([](auto &t, auto &sc) { t.setAlpha(sc, 0.0); });

     injectTap(11, 11);
     bufferSurface->expectTap(1, 1);
 }

 TEST_F(InputSurfacesTest, input_ignores_color_layer_alpha) {
     std::unique_ptr<InputSurface> bgSurface = makeSurface(100, 100);
     std::unique_ptr<InputSurface> fgSurface = makeSurface(100, 100);

     bgSurface->showAt(10, 10);
     fgSurface->showAt(10, 10);

     injectTap(11, 11);
     fgSurface->expectTap(1, 1);

     fgSurface->doTransaction([](auto &t, auto &sc) { t.setAlpha(sc, 0.0); });

     injectTap(11, 11);
     fgSurface->expectTap(1, 1);
 }

 TEST_F(InputSurfacesTest, input_respects_container_layer_visiblity) {
     std::unique_ptr<InputSurface> bgSurface = makeSurface(100, 100);
     std::unique_ptr<InputSurface> containerSurface =
             InputSurface::makeContainerInputSurface(mComposerClient, 100, 100);

     bgSurface->showAt(10, 10);
     containerSurface->showAt(10, 10);

     injectTap(11, 11);
     containerSurface->expectTap(1, 1);

     containerSurface->doTransaction([](auto &t, auto &sc) { t.hide(sc); });

     injectTap(11, 11);
     bgSurface->expectTap(1, 1);
 }

 TEST_F(InputSurfacesTest, input_respects_outscreen) {
     std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
     surface->showAt(-1, -1);

     injectTap(0, 0);
     surface->expectTap(1, 1);
 }
 }
 }
	/*
	* Copyright 2018 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#include <gtest/gtest.h>
	#include <stdlib.h>
	#include <unistd.h>
	#include <sys/time.h>
	#include <sys/types.h>
	#include <stdio.h>
	#include <poll.h>

	#include <memory>

	#include <android/native_window.h>

	#include <binder/Binder.h>
	#include <binder/IServiceManager.h>
	#include <binder/Parcel.h>
	#include <binder/ProcessState.h>

	#include <gui/ISurfaceComposer.h>
	#include <gui/Surface.h>
	#include <gui/SurfaceComposerClient.h>
	#include <gui/SurfaceControl.h>

	#include <input/InputWindow.h>
	#include <input/IInputFlinger.h>
	#include <input/InputTransport.h>
	#include <input/Input.h>

	#include <ui/DisplayInfo.h>
	#include <ui/Rect.h>
	#include <ui/Region.h>


	namespace android {
	namespace test {

	using Transaction = SurfaceComposerClient::Transaction;

	sp<IInputFlinger> getInputFlinger() {
	sp<IBinder> input(defaultServiceManager()->getService(
	String16("inputflinger")));
	if (input == nullptr) {
	ALOGE("Failed to link to input service");
	} else { ALOGE("Linked to input"); }
	return interface_cast<IInputFlinger>(input);
	}

	// We use the top 10 layers as a way to haphazardly place ourselves above anything else.
	static const int LAYER_BASE = INT32_MAX - 10;

	class InputSurface {
	public:
	InputSurface(const sp<SurfaceControl> &sc, int width, int height) {
	mSurfaceControl = sc;

	InputChannel::openInputChannelPair("testchannels", mServerChannel, mClientChannel);
	mServerChannel->setToken(new BBinder());

	mInputFlinger = getInputFlinger();
	mInputFlinger->registerInputChannel(mServerChannel);

	populateInputInfo(width, height);

	mInputConsumer = new InputConsumer(mClientChannel);
	}

	static std::unique_ptr<InputSurface> makeColorInputSurface(const sp<SurfaceComposerClient> &scc,
	int width, int height) {
	sp<SurfaceControl> surfaceControl =
	scc->createSurface(String8("Test Surface"), 0 /* bufHeight /, 0 / bufWidth */,
	PIXEL_FORMAT_RGBA_8888, ISurfaceComposerClient::eFXSurfaceColor);
	return std::make_unique<InputSurface>(surfaceControl, width, height);
	}

	static std::unique_ptr<InputSurface> makeBufferInputSurface(
	const sp<SurfaceComposerClient> &scc, int width, int height) {
	sp<SurfaceControl> surfaceControl =
	scc->createSurface(String8("Test Buffer Surface"), width, height,
	PIXEL_FORMAT_RGBA_8888, 0 /* flags */);
	return std::make_unique<InputSurface>(surfaceControl, width, height);
	}

	static std::unique_ptr<InputSurface> makeContainerInputSurface(
	const sp<SurfaceComposerClient> &scc, int width, int height) {
	sp<SurfaceControl> surfaceControl =
	scc->createSurface(String8("Test Container Surface"), 0 /* bufHeight */,
	0 /* bufWidth */, PIXEL_FORMAT_RGBA_8888,
	ISurfaceComposerClient::eFXSurfaceContainer);
	return std::make_unique<InputSurface>(surfaceControl, width, height);
	}

	InputEvent* consumeEvent() {
	waitForEventAvailable();

	InputEvent *ev;
	uint32_t seqId;
	status_t consumed = mInputConsumer->consume(&mInputEventFactory, true, -1, &seqId, &ev);
	if (consumed != OK) {
	return nullptr;
	}
	mInputConsumer->sendFinishedSignal(seqId, true);
	return ev;
	}

	void expectTap(int x, int y) {
	InputEvent* ev = consumeEvent();
	EXPECT_TRUE(ev != nullptr);
	EXPECT_TRUE(ev->getType() == AINPUT_EVENT_TYPE_MOTION);
	MotionEvent* mev = static_cast<MotionEvent*>(ev);
	EXPECT_EQ(AMOTION_EVENT_ACTION_DOWN, mev->getAction());
	EXPECT_EQ(x, mev->getX(0));
	EXPECT_EQ(y, mev->getY(0));

	ev = consumeEvent();
	EXPECT_TRUE(ev != nullptr);
	EXPECT_TRUE(ev->getType() == AINPUT_EVENT_TYPE_MOTION);
	mev = static_cast<MotionEvent*>(ev);
	EXPECT_EQ(AMOTION_EVENT_ACTION_UP, mev->getAction());
	}

	~InputSurface() {
	mInputFlinger->unregisterInputChannel(mServerChannel);
	}

	void doTransaction(std::function<void(SurfaceComposerClient::Transaction&,
	const sp<SurfaceControl>&)> transactionBody) {
	SurfaceComposerClient::Transaction t;
	transactionBody(t, mSurfaceControl);
	t.apply(true);
	}

	void showAt(int x, int y) {
	SurfaceComposerClient::Transaction t;
	t.show(mSurfaceControl);
	t.setInputWindowInfo(mSurfaceControl, mInputInfo);
	t.setLayer(mSurfaceControl, LAYER_BASE);
	t.setPosition(mSurfaceControl, x, y);
	t.setCrop_legacy(mSurfaceControl, Rect(0, 0, 100, 100));
	t.setAlpha(mSurfaceControl, 1);
	t.apply(true);
	}

	private:
	void waitForEventAvailable() {
	struct pollfd fd;

	fd.fd = mClientChannel->getFd();
	fd.events = POLLIN;
	poll(&fd, 1, 3000);
	}

	void populateInputInfo(int width, int height) {
	mInputInfo.token = mServerChannel->getToken();
	mInputInfo.name = "Test info";
	mInputInfo.layoutParamsFlags = InputWindowInfo::FLAG_NOT_TOUCH_MODAL;
	mInputInfo.layoutParamsType = InputWindowInfo::TYPE_BASE_APPLICATION;
	mInputInfo.dispatchingTimeout = 100000;
	mInputInfo.globalScaleFactor = 1.0;
	mInputInfo.canReceiveKeys = true;
	mInputInfo.hasFocus = true;
	mInputInfo.hasWallpaper = false;
	mInputInfo.paused = false;

	mInputInfo.touchableRegion.orSelf(Rect(0, 0, width, height));

	// TODO: Fill in from SF?
	mInputInfo.ownerPid = 11111;
	mInputInfo.ownerUid = 11111;
	mInputInfo.inputFeatures = 0;
	mInputInfo.displayId = 0;

	InputApplicationInfo aInfo;
	aInfo.token = new BBinder();
	aInfo.name = "Test app info";
	aInfo.dispatchingTimeout = 100000;

	mInputInfo.applicationInfo = aInfo;
	}
	public:
	sp<SurfaceControl> mSurfaceControl;
	sp<InputChannel> mServerChannel, mClientChannel;
	sp<IInputFlinger> mInputFlinger;

	InputWindowInfo mInputInfo;

	PreallocatedInputEventFactory mInputEventFactory;
	InputConsumer* mInputConsumer;
	};

	class InputSurfacesTest : public ::testing::Test {
	public:
	InputSurfacesTest() {
	ProcessState::self()->startThreadPool();
	}

	void SetUp() {
	mComposerClient = new SurfaceComposerClient;
	ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());

	const auto display = mComposerClient->getInternalDisplayToken();
	ASSERT_FALSE(display == nullptr);

	DisplayInfo info;
	ASSERT_EQ(NO_ERROR, mComposerClient->getDisplayInfo(display, &info));

	// After a new buffer is queued, SurfaceFlinger is notified and will
	// latch the new buffer on next vsync. Let's heuristically wait for 3
	// vsyncs.
	mBufferPostDelay = int32_t(1e6 / info.fps) * 3;
	}

	void TearDown() {
	mComposerClient->dispose();
	}

	std::unique_ptr<InputSurface> makeSurface(int width, int height) {
	return InputSurface::makeColorInputSurface(mComposerClient, width, height);
	}

	void postBuffer(const sp<SurfaceControl> &layer) {
	// wait for previous transactions (such as setSize) to complete
	Transaction().apply(true);
	ANativeWindow_Buffer buffer = {};
	EXPECT_EQ(NO_ERROR, layer->getSurface()->lock(&buffer, nullptr));
	ASSERT_EQ(NO_ERROR, layer->getSurface()->unlockAndPost());
	// Request an empty transaction to get applied synchronously to ensure the buffer is
	// latched.
	Transaction().apply(true);
	usleep(mBufferPostDelay);
	}

	sp<SurfaceComposerClient> mComposerClient;
	int32_t mBufferPostDelay;
	};

	void injectTap(int x, int y) {
	char buf1, buf2;
	asprintf(&buf1, "%d", x);
	asprintf(&buf2, "%d", y);
	if (fork() == 0) {
	execlp("input", "input", "tap", buf1, buf2, NULL);
	}
	}

	TEST_F(InputSurfacesTest, can_receive_input) {
	std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
	surface->showAt(100, 100);

	injectTap(101, 101);

	EXPECT_TRUE(surface->consumeEvent() != nullptr);
	}

	TEST_F(InputSurfacesTest, input_respects_positioning) {
	std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
	surface->showAt(100, 100);

	std::unique_ptr<InputSurface> surface2 = makeSurface(100, 100);
	surface2->showAt(200, 200);

	injectTap(201, 201);
	surface2->expectTap(1, 1);

	injectTap(101, 101);
	surface->expectTap(1, 1);

	surface2->doTransaction([](auto &t, auto &sc) {
	t.setPosition(sc, 100, 100);
	});
	surface->doTransaction([](auto &t, auto &sc) {
	t.setPosition(sc, 200, 200);
	});

	injectTap(101, 101);
	surface2->expectTap(1, 1);

	injectTap(201, 201);
	surface->expectTap(1, 1);
	}

	TEST_F(InputSurfacesTest, input_respects_layering) {
	std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
	std::unique_ptr<InputSurface> surface2 = makeSurface(100, 100);

	surface->showAt(10, 10);
	surface2->showAt(10, 10);

	surface->doTransaction([](auto &t, auto &sc) {
	t.setLayer(sc, LAYER_BASE + 1);
	});

	injectTap(11, 11);
	surface->expectTap(1, 1);

	surface2->doTransaction([](auto &t, auto &sc) {
	t.setLayer(sc, LAYER_BASE + 1);
	});

	injectTap(11, 11);
	surface2->expectTap(1, 1);

	surface2->doTransaction([](auto &t, auto &sc) {
	t.hide(sc);
	});

	injectTap(11, 11);
	surface->expectTap(1, 1);
	}

	// Surface Insets are set to offset the client content and draw a border around the client surface
	// (such as shadows in dialogs). Inputs sent to the client are offset such that 0,0 is the start
	// of the client content.
	TEST_F(InputSurfacesTest, input_respects_surface_insets) {
	std::unique_ptr<InputSurface> bgSurface = makeSurface(100, 100);
	std::unique_ptr<InputSurface> fgSurface = makeSurface(100, 100);
	bgSurface->showAt(100, 100);

	fgSurface->mInputInfo.surfaceInset = 5;
	fgSurface->showAt(100, 100);

	injectTap(106, 106);
	fgSurface->expectTap(1, 1);

	injectTap(101, 101);
	bgSurface->expectTap(1, 1);
	}

	// Ensure a surface whose insets are cropped, handles the touch offset correctly. ref:b/120413463
	TEST_F(InputSurfacesTest, input_respects_cropped_surface_insets) {
	std::unique_ptr<InputSurface> parentSurface = makeSurface(100, 100);
	std::unique_ptr<InputSurface> childSurface = makeSurface(100, 100);
	parentSurface->showAt(100, 100);

	childSurface->mInputInfo.surfaceInset = 10;
	childSurface->showAt(100, 100);

	childSurface->doTransaction([&](auto &t, auto &sc) {
	t.setPosition(sc, -5, -5);
	t.reparent(sc, parentSurface->mSurfaceControl->getHandle());
	});

	injectTap(106, 106);
	childSurface->expectTap(1, 1);

	injectTap(101, 101);
	parentSurface->expectTap(1, 1);
	}

	// Ensure a surface whose insets are scaled, handles the touch offset correctly.
	TEST_F(InputSurfacesTest, input_respects_scaled_surface_insets) {
	std::unique_ptr<InputSurface> bgSurface = makeSurface(100, 100);
	std::unique_ptr<InputSurface> fgSurface = makeSurface(100, 100);
	bgSurface->showAt(100, 100);

	fgSurface->mInputInfo.surfaceInset = 5;
	fgSurface->showAt(100, 100);

	fgSurface->doTransaction([&](auto &t, auto &sc) { t.setMatrix(sc, 2.0, 0, 0, 4.0); });

	// expect = touch / scale - inset
	injectTap(112, 124);
	fgSurface->expectTap(1, 1);

	injectTap(101, 101);
	bgSurface->expectTap(1, 1);
	}

	TEST_F(InputSurfacesTest, input_respects_scaled_surface_insets_overflow) {
	std::unique_ptr<InputSurface> fgSurface = makeSurface(100, 100);
	// In case we pass the very big inset without any checking.
	fgSurface->mInputInfo.surfaceInset = INT32_MAX;
	fgSurface->showAt(100, 100);

	fgSurface->doTransaction([&](auto &t, auto &sc) { t.setMatrix(sc, 2.0, 0, 0, 2.0); });

	// expect no crash for overflow, and inset size to be clamped to surface size
	injectTap(202, 202);
	fgSurface->expectTap(1, 1);
	}

	// Ensure we ignore transparent region when getting screen bounds when positioning input frame.
	TEST_F(InputSurfacesTest, input_ignores_transparent_region) {
	std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
	surface->doTransaction([](auto &t, auto &sc) {
	Region transparentRegion(Rect(0, 0, 10, 10));
	t.setTransparentRegionHint(sc, transparentRegion);
	});
	surface->showAt(100, 100);
	injectTap(101, 101);
	surface->expectTap(1, 1);
	}

	// TODO(b/139494112) update tests once we define expected behavior
	// Ensure we still send input to the surface regardless of surface visibility changes due to the
	// first buffer being submitted or alpha changes.
	// Original bug ref: b/120839715
	TEST_F(InputSurfacesTest, input_ignores_buffer_layer_buffer) {
	std::unique_ptr<InputSurface> bgSurface = makeSurface(100, 100);
	std::unique_ptr<InputSurface> bufferSurface =
	InputSurface::makeBufferInputSurface(mComposerClient, 100, 100);

	bgSurface->showAt(10, 10);
	bufferSurface->showAt(10, 10);

	injectTap(11, 11);
	bufferSurface->expectTap(1, 1);

	postBuffer(bufferSurface->mSurfaceControl);
	injectTap(11, 11);
	bufferSurface->expectTap(1, 1);
	}

	TEST_F(InputSurfacesTest, input_ignores_buffer_layer_alpha) {
	std::unique_ptr<InputSurface> bgSurface = makeSurface(100, 100);
	std::unique_ptr<InputSurface> bufferSurface =
	InputSurface::makeBufferInputSurface(mComposerClient, 100, 100);
	postBuffer(bufferSurface->mSurfaceControl);

	bgSurface->showAt(10, 10);
	bufferSurface->showAt(10, 10);

	injectTap(11, 11);
	bufferSurface->expectTap(1, 1);

	bufferSurface->doTransaction([](auto &t, auto &sc) { t.setAlpha(sc, 0.0); });

	injectTap(11, 11);
	bufferSurface->expectTap(1, 1);
	}

	TEST_F(InputSurfacesTest, input_ignores_color_layer_alpha) {
	std::unique_ptr<InputSurface> bgSurface = makeSurface(100, 100);
	std::unique_ptr<InputSurface> fgSurface = makeSurface(100, 100);

	bgSurface->showAt(10, 10);
	fgSurface->showAt(10, 10);

	injectTap(11, 11);
	fgSurface->expectTap(1, 1);

	fgSurface->doTransaction([](auto &t, auto &sc) { t.setAlpha(sc, 0.0); });

	injectTap(11, 11);
	fgSurface->expectTap(1, 1);
	}

	TEST_F(InputSurfacesTest, input_respects_container_layer_visiblity) {
	std::unique_ptr<InputSurface> bgSurface = makeSurface(100, 100);
	std::unique_ptr<InputSurface> containerSurface =
	InputSurface::makeContainerInputSurface(mComposerClient, 100, 100);

	bgSurface->showAt(10, 10);
	containerSurface->showAt(10, 10);

	injectTap(11, 11);
	containerSurface->expectTap(1, 1);

	containerSurface->doTransaction([](auto &t, auto &sc) { t.hide(sc); });

	injectTap(11, 11);
	bgSurface->expectTap(1, 1);
	}

	TEST_F(InputSurfacesTest, input_respects_outscreen) {
	std::unique_ptr<InputSurface> surface = makeSurface(100, 100);
	surface->showAt(-1, -1);

	injectTap(0, 0);
	surface->expectTap(1, 1);
	}
	}
	}