/* * Copyright (C) 2010 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 "../InputDispatcher.h" #include #include namespace android { // An arbitrary time value. static const nsecs_t ARBITRARY_TIME = 1234; // An arbitrary device id. static const int32_t DEVICE_ID = 1; // An arbitrary display id. static const int32_t DISPLAY_ID = 0; // An arbitrary injector pid / uid pair that has permission to inject events. static const int32_t INJECTOR_PID = 999; static const int32_t INJECTOR_UID = 1001; // --- FakeInputDispatcherPolicy --- class FakeInputDispatcherPolicy : public InputDispatcherPolicyInterface { InputDispatcherConfiguration mConfig; protected: virtual ~FakeInputDispatcherPolicy() { } public: FakeInputDispatcherPolicy() { } private: virtual void notifyConfigurationChanged(nsecs_t) { } virtual nsecs_t notifyANR(const sp&, const sp&, const String8&) { return 0; } virtual void notifyInputChannelBroken(const sp&) { } virtual void getDispatcherConfiguration(InputDispatcherConfiguration* outConfig) { *outConfig = mConfig; } virtual bool filterInputEvent(const InputEvent*, uint32_t) { return true; } virtual void interceptKeyBeforeQueueing(const KeyEvent*, uint32_t&) { } virtual void interceptMotionBeforeQueueing(nsecs_t, uint32_t&) { } virtual nsecs_t interceptKeyBeforeDispatching(const sp&, const KeyEvent*, uint32_t) { return 0; } virtual bool dispatchUnhandledKey(const sp&, const KeyEvent*, uint32_t, KeyEvent*) { return false; } virtual void notifySwitch(nsecs_t, uint32_t, uint32_t, uint32_t) { } virtual void pokeUserActivity(nsecs_t, int32_t) { } virtual bool checkInjectEventsPermissionNonReentrant(int32_t, int32_t) { return false; } }; // --- InputDispatcherTest --- class InputDispatcherTest : public testing::Test { protected: sp mFakePolicy; sp mDispatcher; virtual void SetUp() { mFakePolicy = new FakeInputDispatcherPolicy(); mDispatcher = new InputDispatcher(mFakePolicy); } virtual void TearDown() { mFakePolicy.clear(); mDispatcher.clear(); } }; TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesKeyEvents) { KeyEvent event; // Rejects undefined key actions. event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD, /*action*/ -1, 0, AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME); ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( &event, DISPLAY_ID, INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) << "Should reject key events with undefined action."; // Rejects ACTION_MULTIPLE since it is not supported despite being defined in the API. event.initialize(DEVICE_ID, AINPUT_SOURCE_KEYBOARD, AKEY_EVENT_ACTION_MULTIPLE, 0, AKEYCODE_A, KEY_A, AMETA_NONE, 0, ARBITRARY_TIME, ARBITRARY_TIME); ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( &event, DISPLAY_ID, INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) << "Should reject key events with ACTION_MULTIPLE."; } TEST_F(InputDispatcherTest, InjectInputEvent_ValidatesMotionEvents) { MotionEvent event; PointerProperties pointerProperties[MAX_POINTERS + 1]; PointerCoords pointerCoords[MAX_POINTERS + 1]; for (int i = 0; i <= MAX_POINTERS; i++) { pointerProperties[i].clear(); pointerProperties[i].id = i; pointerCoords[i].clear(); } // Rejects undefined motion actions. event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, /*action*/ -1, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, ARBITRARY_TIME, ARBITRARY_TIME, /*pointerCount*/ 1, pointerProperties, pointerCoords); ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( &event, DISPLAY_ID, INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) << "Should reject motion events with undefined action."; // Rejects pointer down with invalid index. event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, AMOTION_EVENT_ACTION_POINTER_DOWN | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT), 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, ARBITRARY_TIME, ARBITRARY_TIME, /*pointerCount*/ 1, pointerProperties, pointerCoords); ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( &event, DISPLAY_ID, INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) << "Should reject motion events with pointer down index too large."; event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, AMOTION_EVENT_ACTION_POINTER_DOWN | (-1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT), 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, ARBITRARY_TIME, ARBITRARY_TIME, /*pointerCount*/ 1, pointerProperties, pointerCoords); ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( &event, DISPLAY_ID, INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) << "Should reject motion events with pointer down index too small."; // Rejects pointer up with invalid index. event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, AMOTION_EVENT_ACTION_POINTER_UP | (1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT), 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, ARBITRARY_TIME, ARBITRARY_TIME, /*pointerCount*/ 1, pointerProperties, pointerCoords); ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( &event, DISPLAY_ID, INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) << "Should reject motion events with pointer up index too large."; event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, AMOTION_EVENT_ACTION_POINTER_UP | (-1 << AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT), 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, ARBITRARY_TIME, ARBITRARY_TIME, /*pointerCount*/ 1, pointerProperties, pointerCoords); ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( &event, DISPLAY_ID, INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) << "Should reject motion events with pointer up index too small."; // Rejects motion events with invalid number of pointers. event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, ARBITRARY_TIME, ARBITRARY_TIME, /*pointerCount*/ 0, pointerProperties, pointerCoords); ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( &event, DISPLAY_ID, INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) << "Should reject motion events with 0 pointers."; event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, ARBITRARY_TIME, ARBITRARY_TIME, /*pointerCount*/ MAX_POINTERS + 1, pointerProperties, pointerCoords); ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( &event, DISPLAY_ID, INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) << "Should reject motion events with more than MAX_POINTERS pointers."; // Rejects motion events with invalid pointer ids. pointerProperties[0].id = -1; event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, ARBITRARY_TIME, ARBITRARY_TIME, /*pointerCount*/ 1, pointerProperties, pointerCoords); ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( &event, DISPLAY_ID, INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) << "Should reject motion events with pointer ids less than 0."; pointerProperties[0].id = MAX_POINTER_ID + 1; event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, ARBITRARY_TIME, ARBITRARY_TIME, /*pointerCount*/ 1, pointerProperties, pointerCoords); ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( &event, DISPLAY_ID, INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) << "Should reject motion events with pointer ids greater than MAX_POINTER_ID."; // Rejects motion events with duplicate pointer ids. pointerProperties[0].id = 1; pointerProperties[1].id = 1; event.initialize(DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN, AMOTION_EVENT_ACTION_DOWN, 0, 0, AMETA_NONE, 0, 0, 0, 0, 0, ARBITRARY_TIME, ARBITRARY_TIME, /*pointerCount*/ 2, pointerProperties, pointerCoords); ASSERT_EQ(INPUT_EVENT_INJECTION_FAILED, mDispatcher->injectInputEvent( &event, DISPLAY_ID, INJECTOR_PID, INJECTOR_UID, INPUT_EVENT_INJECTION_SYNC_NONE, 0, 0)) << "Should reject motion events with duplicate pointer ids."; } } // namespace android