|  | /* | 
|  | * Copyright (C) 2020 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 <BnInputFlingerQuery.h> | 
|  | #include <IInputFlingerQuery.h> | 
|  |  | 
|  | #include <android/os/BnInputFlinger.h> | 
|  | #include <android/os/BnSetInputWindowsListener.h> | 
|  | #include <android/os/IInputFlinger.h> | 
|  | #include <android/os/ISetInputWindowsListener.h> | 
|  |  | 
|  | #include <binder/Binder.h> | 
|  | #include <binder/IPCThreadState.h> | 
|  | #include <binder/IServiceManager.h> | 
|  | #include <binder/Parcel.h> | 
|  | #include <binder/ProcessState.h> | 
|  |  | 
|  | #include <input/Input.h> | 
|  | #include <input/InputTransport.h> | 
|  | #include <input/InputWindow.h> | 
|  |  | 
|  | #include <gtest/gtest.h> | 
|  | #include <inttypes.h> | 
|  | #include <linux/uinput.h> | 
|  | #include <log/log.h> | 
|  | #include <ui/Rect.h> | 
|  | #include <ui/Region.h> | 
|  | #include <chrono> | 
|  | #include <thread> | 
|  | #include <unordered_map> | 
|  |  | 
|  | #define TAG "InputFlingerServiceTest" | 
|  |  | 
|  | using android::os::BnInputFlinger; | 
|  | using android::os::BnSetInputWindowsListener; | 
|  | using android::os::IInputFlinger; | 
|  | using android::os::ISetInputWindowsListener; | 
|  |  | 
|  | using std::chrono_literals::operator""ms; | 
|  | using std::chrono_literals::operator""s; | 
|  |  | 
|  | namespace android { | 
|  |  | 
|  | static const sp<IBinder> TestInfoToken = new BBinder(); | 
|  | static const sp<IBinder> FocusedTestInfoToken = new BBinder(); | 
|  | static constexpr int32_t TestInfoId = 1; | 
|  | static const std::string TestInfoName = "InputFlingerServiceTestInputWindowInfo"; | 
|  | static constexpr Flags<InputWindowInfo::Flag> TestInfoFlags = InputWindowInfo::Flag::NOT_FOCUSABLE; | 
|  | static constexpr InputWindowInfo::Type TestInfoType = InputWindowInfo::Type::INPUT_METHOD; | 
|  | static constexpr std::chrono::duration TestInfoDispatchingTimeout = 2532ms; | 
|  | static constexpr int32_t TestInfoFrameLeft = 93; | 
|  | static constexpr int32_t TestInfoFrameTop = 34; | 
|  | static constexpr int32_t TestInfoFrameRight = 16; | 
|  | static constexpr int32_t TestInfoFrameBottom = 19; | 
|  | static constexpr int32_t TestInfoSurfaceInset = 17; | 
|  | static constexpr float TestInfoGlobalScaleFactor = 0.3; | 
|  | static constexpr float TestInfoWindowXScale = 0.4; | 
|  | static constexpr float TestInfoWindowYScale = 0.5; | 
|  | static const Rect TestInfoTouchableRegionRect = {100 /* left */, 150 /* top */, 400 /* right */, | 
|  | 450 /* bottom */}; | 
|  | static const Region TestInfoTouchableRegion(TestInfoTouchableRegionRect); | 
|  | static constexpr bool TestInfoVisible = false; | 
|  | static constexpr bool TestInfoTrustedOverlay = true; | 
|  | static constexpr bool TestInfoFocusable = false; | 
|  | static constexpr bool TestInfoHasWallpaper = false; | 
|  | static constexpr bool TestInfoPaused = false; | 
|  | static constexpr int32_t TestInfoOwnerPid = 19; | 
|  | static constexpr int32_t TestInfoOwnerUid = 24; | 
|  | static constexpr InputWindowInfo::Feature TestInfoInputFeatures = | 
|  | InputWindowInfo::Feature::NO_INPUT_CHANNEL; | 
|  | static constexpr int32_t TestInfoDisplayId = 34; | 
|  | static constexpr int32_t TestInfoPortalToDisplayId = 2; | 
|  | static constexpr bool TestInfoReplaceTouchableRegionWithCrop = true; | 
|  | static const sp<IBinder> TestInfoTouchableRegionCropHandle = new BBinder(); | 
|  |  | 
|  | static const std::string TestAppInfoName = "InputFlingerServiceTestInputApplicationInfo"; | 
|  | static const sp<IBinder> TestAppInfoToken = new BBinder(); | 
|  | static constexpr std::chrono::duration TestAppInfoDispatchingTimeout = 12345678ms; | 
|  |  | 
|  | static const String16 kTestServiceName = String16("InputFlingerService"); | 
|  | static const String16 kQueryServiceName = String16("InputFlingerQueryService"); | 
|  |  | 
|  | struct SetInputWindowsListener; | 
|  | // --- InputFlingerServiceTest --- | 
|  | class InputFlingerServiceTest : public testing::Test { | 
|  | public: | 
|  | void SetUp() override; | 
|  | void TearDown() override; | 
|  |  | 
|  | protected: | 
|  | void InitializeInputFlinger(); | 
|  | void setInputWindowsByInfos(const std::vector<InputWindowInfo>& infos); | 
|  | void setFocusedWindow(const sp<IBinder> token, const sp<IBinder> focusedToken, | 
|  | nsecs_t timestampNanos); | 
|  |  | 
|  | void setInputWindowsFinished(); | 
|  | void verifyInputWindowInfo(const InputWindowInfo& info) const; | 
|  | InputWindowInfo& getInfo() const { return const_cast<InputWindowInfo&>(mInfo); } | 
|  |  | 
|  | sp<IInputFlinger> mService; | 
|  | sp<IInputFlingerQuery> mQuery; | 
|  |  | 
|  | private: | 
|  | sp<SetInputWindowsListener> mSetInputWindowsListener; | 
|  | std::unique_ptr<InputChannel> mServerChannel, mClientChannel; | 
|  | InputWindowInfo mInfo; | 
|  | std::mutex mLock; | 
|  | std::condition_variable mSetInputWindowsFinishedCondition; | 
|  | }; | 
|  |  | 
|  | struct SetInputWindowsListener : BnSetInputWindowsListener { | 
|  | explicit SetInputWindowsListener(std::function<void()> cbFunc) : mCbFunc(cbFunc) {} | 
|  |  | 
|  | binder::Status onSetInputWindowsFinished() override; | 
|  |  | 
|  | std::function<void()> mCbFunc; | 
|  | }; | 
|  |  | 
|  | class TestInputManager : public BnInputFlinger { | 
|  | protected: | 
|  | virtual ~TestInputManager(){}; | 
|  |  | 
|  | public: | 
|  | TestInputManager(){}; | 
|  | void checkFdFlags(const android::base::unique_fd& fd); | 
|  |  | 
|  | binder::Status getInputWindows(std::vector<::android::InputWindowInfo>* inputHandles); | 
|  | binder::Status getInputChannels(std::vector<::android::InputChannel>* channels); | 
|  | binder::Status getLastFocusRequest(FocusRequest*); | 
|  |  | 
|  | status_t dump(int fd, const Vector<String16>& args) override; | 
|  |  | 
|  | binder::Status setInputWindows( | 
|  | const std::vector<InputWindowInfo>& handles, | 
|  | const sp<ISetInputWindowsListener>& setInputWindowsListener) override; | 
|  |  | 
|  | binder::Status registerInputChannel(const InputChannel& channel) override; | 
|  | binder::Status unregisterInputChannel(const sp<IBinder>& connectionToken) override; | 
|  | binder::Status setFocusedWindow(const FocusRequest&) override; | 
|  |  | 
|  | private: | 
|  | mutable Mutex mLock; | 
|  | std::unordered_map<int32_t, std::vector<sp<InputWindowHandle>>> mHandlesPerDisplay; | 
|  | std::vector<std::shared_ptr<InputChannel>> mInputChannels; | 
|  | FocusRequest mFocusRequest; | 
|  | }; | 
|  |  | 
|  | class TestInputQuery : public BnInputFlingerQuery { | 
|  | public: | 
|  | TestInputQuery(sp<android::TestInputManager> manager) : mManager(manager){}; | 
|  | binder::Status getInputWindows(std::vector<::android::InputWindowInfo>* inputHandles) override; | 
|  | binder::Status getInputChannels(std::vector<::android::InputChannel>* channels) override; | 
|  | binder::Status getLastFocusRequest(FocusRequest*) override; | 
|  |  | 
|  | private: | 
|  | sp<android::TestInputManager> mManager; | 
|  | }; | 
|  |  | 
|  | binder::Status TestInputQuery::getInputWindows( | 
|  | std::vector<::android::InputWindowInfo>* inputHandles) { | 
|  | return mManager->getInputWindows(inputHandles); | 
|  | } | 
|  |  | 
|  | binder::Status TestInputQuery::getInputChannels(std::vector<::android::InputChannel>* channels) { | 
|  | return mManager->getInputChannels(channels); | 
|  | } | 
|  |  | 
|  | binder::Status TestInputQuery::getLastFocusRequest(FocusRequest* request) { | 
|  | return mManager->getLastFocusRequest(request); | 
|  | } | 
|  |  | 
|  | binder::Status SetInputWindowsListener::onSetInputWindowsFinished() { | 
|  | if (mCbFunc != nullptr) { | 
|  | mCbFunc(); | 
|  | } | 
|  | return binder::Status::ok(); | 
|  | } | 
|  |  | 
|  | binder::Status TestInputManager::setInputWindows( | 
|  | const std::vector<InputWindowInfo>& infos, | 
|  | const sp<ISetInputWindowsListener>& setInputWindowsListener) { | 
|  | AutoMutex _l(mLock); | 
|  |  | 
|  | for (const auto& info : infos) { | 
|  | mHandlesPerDisplay.emplace(info.displayId, std::vector<sp<InputWindowHandle>>()); | 
|  | mHandlesPerDisplay[info.displayId].push_back(new InputWindowHandle(info)); | 
|  | } | 
|  | if (setInputWindowsListener) { | 
|  | setInputWindowsListener->onSetInputWindowsFinished(); | 
|  | } | 
|  | return binder::Status::ok(); | 
|  | } | 
|  |  | 
|  | void TestInputManager::checkFdFlags(const android::base::unique_fd& fd) { | 
|  | const int result = fcntl(fd, F_GETFL); | 
|  | EXPECT_NE(result, -1); | 
|  | EXPECT_EQ(result & O_NONBLOCK, O_NONBLOCK); | 
|  | } | 
|  |  | 
|  | binder::Status TestInputManager::registerInputChannel(const InputChannel& channel) { | 
|  | AutoMutex _l(mLock); | 
|  | // check Fd flags | 
|  | checkFdFlags(channel.getFd()); | 
|  |  | 
|  | mInputChannels.push_back(channel.dup()); | 
|  |  | 
|  | return binder::Status::ok(); | 
|  | } | 
|  |  | 
|  | binder::Status TestInputManager::unregisterInputChannel(const sp<IBinder>& connectionToken) { | 
|  | AutoMutex _l(mLock); | 
|  |  | 
|  | auto it = std::find_if(mInputChannels.begin(), mInputChannels.end(), | 
|  | [&](std::shared_ptr<InputChannel>& c) { | 
|  | return c->getConnectionToken() == connectionToken; | 
|  | }); | 
|  | if (it != mInputChannels.end()) { | 
|  | mInputChannels.erase(it); | 
|  | } | 
|  |  | 
|  | return binder::Status::ok(); | 
|  | } | 
|  |  | 
|  | status_t TestInputManager::dump(int fd, const Vector<String16>& args) { | 
|  | std::string dump; | 
|  |  | 
|  | dump += " InputFlinger dump\n"; | 
|  |  | 
|  | ::write(fd, dump.c_str(), dump.size()); | 
|  | return NO_ERROR; | 
|  | } | 
|  |  | 
|  | binder::Status TestInputManager::getInputWindows( | 
|  | std::vector<::android::InputWindowInfo>* inputInfos) { | 
|  | for (auto& [displayId, inputHandles] : mHandlesPerDisplay) { | 
|  | for (auto& inputHandle : inputHandles) { | 
|  | inputInfos->push_back(*inputHandle->getInfo()); | 
|  | } | 
|  | } | 
|  | return binder::Status::ok(); | 
|  | } | 
|  |  | 
|  | binder::Status TestInputManager::getInputChannels(std::vector<::android::InputChannel>* channels) { | 
|  | channels->clear(); | 
|  | for (std::shared_ptr<InputChannel>& channel : mInputChannels) { | 
|  | channels->push_back(*channel); | 
|  | } | 
|  | return binder::Status::ok(); | 
|  | } | 
|  |  | 
|  | binder::Status TestInputManager::getLastFocusRequest(FocusRequest* request) { | 
|  | *request = mFocusRequest; | 
|  | return binder::Status::ok(); | 
|  | } | 
|  |  | 
|  | binder::Status TestInputManager::setFocusedWindow(const FocusRequest& request) { | 
|  | mFocusRequest = request; | 
|  | return binder::Status::ok(); | 
|  | } | 
|  |  | 
|  | void InputFlingerServiceTest::SetUp() { | 
|  | mSetInputWindowsListener = new SetInputWindowsListener([&]() { | 
|  | std::unique_lock<std::mutex> lock(mLock); | 
|  | mSetInputWindowsFinishedCondition.notify_all(); | 
|  | }); | 
|  | InputChannel::openInputChannelPair("testchannels", mServerChannel, mClientChannel); | 
|  |  | 
|  | mInfo.token = TestInfoToken; | 
|  | mInfo.id = TestInfoId; | 
|  | mInfo.name = TestInfoName; | 
|  | mInfo.flags = TestInfoFlags; | 
|  | mInfo.type = TestInfoType; | 
|  | mInfo.dispatchingTimeout = TestInfoDispatchingTimeout; | 
|  | mInfo.frameLeft = TestInfoFrameLeft; | 
|  | mInfo.frameTop = TestInfoFrameTop; | 
|  | mInfo.frameRight = TestInfoFrameRight; | 
|  | mInfo.frameBottom = TestInfoFrameBottom; | 
|  | mInfo.surfaceInset = TestInfoSurfaceInset; | 
|  | mInfo.globalScaleFactor = TestInfoGlobalScaleFactor; | 
|  | mInfo.transform.set({TestInfoWindowXScale, 0, TestInfoFrameLeft, 0, TestInfoWindowYScale, | 
|  | TestInfoFrameTop, 0, 0, 1}); | 
|  | mInfo.touchableRegion = TestInfoTouchableRegion; | 
|  | mInfo.visible = TestInfoVisible; | 
|  | mInfo.trustedOverlay = TestInfoTrustedOverlay; | 
|  | mInfo.focusable = TestInfoFocusable; | 
|  |  | 
|  | mInfo.hasWallpaper = TestInfoHasWallpaper; | 
|  | mInfo.paused = TestInfoPaused; | 
|  | mInfo.ownerPid = TestInfoOwnerPid; | 
|  | mInfo.ownerUid = TestInfoOwnerUid; | 
|  | mInfo.inputFeatures = TestInfoInputFeatures; | 
|  | mInfo.displayId = TestInfoDisplayId; | 
|  | mInfo.portalToDisplayId = TestInfoPortalToDisplayId; | 
|  | mInfo.replaceTouchableRegionWithCrop = TestInfoReplaceTouchableRegionWithCrop; | 
|  | mInfo.touchableRegionCropHandle = TestInfoTouchableRegionCropHandle; | 
|  |  | 
|  | mInfo.applicationInfo.name = TestAppInfoName; | 
|  | mInfo.applicationInfo.token = TestAppInfoToken; | 
|  | mInfo.applicationInfo.dispatchingTimeoutMillis = | 
|  | std::chrono::duration_cast<std::chrono::milliseconds>(TestAppInfoDispatchingTimeout) | 
|  | .count(); | 
|  |  | 
|  | InitializeInputFlinger(); | 
|  | } | 
|  |  | 
|  | void InputFlingerServiceTest::TearDown() {} | 
|  |  | 
|  | void InputFlingerServiceTest::verifyInputWindowInfo(const InputWindowInfo& info) const { | 
|  | EXPECT_EQ(mInfo, info); | 
|  | } | 
|  |  | 
|  | void InputFlingerServiceTest::InitializeInputFlinger() { | 
|  | sp<IBinder> input(defaultServiceManager()->waitForService(kTestServiceName)); | 
|  | ASSERT_TRUE(input != nullptr); | 
|  | mService = interface_cast<IInputFlinger>(input); | 
|  |  | 
|  | input = defaultServiceManager()->waitForService(kQueryServiceName); | 
|  | ASSERT_TRUE(input != nullptr); | 
|  | mQuery = interface_cast<IInputFlingerQuery>(input); | 
|  | } | 
|  |  | 
|  | void InputFlingerServiceTest::setInputWindowsByInfos(const std::vector<InputWindowInfo>& infos) { | 
|  | std::unique_lock<std::mutex> lock(mLock); | 
|  | mService->setInputWindows(infos, mSetInputWindowsListener); | 
|  | // Verify listener call | 
|  | EXPECT_NE(mSetInputWindowsFinishedCondition.wait_for(lock, 1s), std::cv_status::timeout); | 
|  | } | 
|  |  | 
|  | void InputFlingerServiceTest::setFocusedWindow(const sp<IBinder> token, | 
|  | const sp<IBinder> focusedToken, | 
|  | nsecs_t timestampNanos) { | 
|  | FocusRequest request; | 
|  | request.token = TestInfoToken; | 
|  | request.focusedToken = focusedToken; | 
|  | request.timestamp = timestampNanos; | 
|  | mService->setFocusedWindow(request); | 
|  | // call set input windows and wait for the callback to drain the queue. | 
|  | setInputWindowsByInfos(std::vector<InputWindowInfo>()); | 
|  | } | 
|  |  | 
|  | /** | 
|  | *  Test InputFlinger service interface SetInputWindows | 
|  | */ | 
|  | TEST_F(InputFlingerServiceTest, InputWindow_SetInputWindows) { | 
|  | std::vector<InputWindowInfo> infos = {getInfo()}; | 
|  | setInputWindowsByInfos(infos); | 
|  |  | 
|  | // Verify input windows from service | 
|  | std::vector<::android::InputWindowInfo> windowInfos; | 
|  | mQuery->getInputWindows(&windowInfos); | 
|  | for (const ::android::InputWindowInfo& windowInfo : windowInfos) { | 
|  | verifyInputWindowInfo(windowInfo); | 
|  | } | 
|  | } | 
|  |  | 
|  | /** | 
|  | *  Test InputFlinger service interface registerInputChannel | 
|  | */ | 
|  | TEST_F(InputFlingerServiceTest, InputWindow_RegisterInputChannel) { | 
|  | std::unique_ptr<InputChannel> serverChannel, clientChannel; | 
|  |  | 
|  | InputChannel::openInputChannelPair("testchannels", serverChannel, clientChannel); | 
|  | mService->registerInputChannel(*serverChannel); | 
|  |  | 
|  | std::vector<::android::InputChannel> channels; | 
|  | mQuery->getInputChannels(&channels); | 
|  | ASSERT_EQ(channels.size(), 1UL); | 
|  | EXPECT_EQ(channels[0], *serverChannel); | 
|  |  | 
|  | mService->unregisterInputChannel(serverChannel->getConnectionToken()); | 
|  | mQuery->getInputChannels(&channels); | 
|  | EXPECT_EQ(channels.size(), 0UL); | 
|  | } | 
|  |  | 
|  | /** | 
|  | *  Test InputFlinger service interface registerInputChannel with invalid cases | 
|  | */ | 
|  | TEST_F(InputFlingerServiceTest, InputWindow_RegisterInputChannelInvalid) { | 
|  | std::unique_ptr<InputChannel> serverChannel, clientChannel; | 
|  | InputChannel::openInputChannelPair("testchannels", serverChannel, clientChannel); | 
|  |  | 
|  | std::vector<::android::InputChannel> channels; | 
|  | mQuery->getInputChannels(&channels); | 
|  | EXPECT_EQ(channels.size(), 0UL); | 
|  |  | 
|  | mService->registerInputChannel(InputChannel()); | 
|  | mService->unregisterInputChannel(clientChannel->getConnectionToken()); | 
|  |  | 
|  | mService->registerInputChannel(*serverChannel); | 
|  | mService->registerInputChannel(*clientChannel); | 
|  | mQuery->getInputChannels(&channels); | 
|  | EXPECT_EQ(channels.size(), 2UL); | 
|  |  | 
|  | mService->unregisterInputChannel(clientChannel->getConnectionToken()); | 
|  | mService->unregisterInputChannel(serverChannel->getConnectionToken()); | 
|  | mQuery->getInputChannels(&channels); | 
|  | EXPECT_EQ(channels.size(), 0UL); | 
|  | } | 
|  |  | 
|  | TEST_F(InputFlingerServiceTest, InputWindow_setFocusedWindow) { | 
|  | nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC); | 
|  | setFocusedWindow(TestInfoToken, nullptr /* focusedToken */, now); | 
|  |  | 
|  | FocusRequest request; | 
|  | mQuery->getLastFocusRequest(&request); | 
|  |  | 
|  | EXPECT_EQ(request.token, TestInfoToken); | 
|  | EXPECT_EQ(request.focusedToken, nullptr); | 
|  | EXPECT_EQ(request.timestamp, now); | 
|  | } | 
|  |  | 
|  | TEST_F(InputFlingerServiceTest, InputWindow_setFocusedWindowWithFocusedToken) { | 
|  | nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC); | 
|  | setFocusedWindow(TestInfoToken, FocusedTestInfoToken, now); | 
|  |  | 
|  | FocusRequest request; | 
|  | mQuery->getLastFocusRequest(&request); | 
|  |  | 
|  | EXPECT_EQ(request.token, TestInfoToken); | 
|  | EXPECT_EQ(request.focusedToken, FocusedTestInfoToken); | 
|  | EXPECT_EQ(request.timestamp, now); | 
|  | } | 
|  |  | 
|  | } // namespace android | 
|  |  | 
|  | int main(int argc, char** argv) { | 
|  | pid_t forkPid = fork(); | 
|  |  | 
|  | if (forkPid == 0) { | 
|  | // Server process | 
|  | android::sp<android::TestInputManager> manager = new android::TestInputManager(); | 
|  | android::sp<android::TestInputQuery> query = new android::TestInputQuery(manager); | 
|  |  | 
|  | android::defaultServiceManager()->addService(android::kTestServiceName, manager, | 
|  | false /*allowIsolated*/); | 
|  | android::defaultServiceManager()->addService(android::kQueryServiceName, query, | 
|  | false /*allowIsolated*/); | 
|  | android::ProcessState::self()->startThreadPool(); | 
|  | android::IPCThreadState::self()->joinThreadPool(); | 
|  | } else { | 
|  | android::ProcessState::self()->startThreadPool(); | 
|  | ::testing::InitGoogleTest(&argc, argv); | 
|  | int result = RUN_ALL_TESTS(); | 
|  | kill(forkPid, SIGKILL); | 
|  | return result; | 
|  | } | 
|  | return 0; | 
|  | } |