1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _UI_INPUT_REPORTER_INTERFACE_H 18 #define _UI_INPUT_REPORTER_INTERFACE_H 19 20 #include <utils/RefBase.h> 21 22 namespace android { 23 24 /* 25 * The interface used by the InputDispatcher to report information about input events after 26 * it is sent to the application, such as if a key is unhandled or dropped. 27 */ 28 class InputReporterInterface : public virtual RefBase { 29 protected: 30 virtual ~InputReporterInterface() { } 31 32 public: 33 // Report a key that was not handled by the system or apps. 34 // A key event is unhandled if: 35 // - The event was not handled and there is no fallback key; or 36 // - The event was not handled and it has a fallback key, 37 // but the fallback key was not handled. 38 virtual void reportUnhandledKey(uint32_t sequenceNum) = 0; 39 40 // Report a key that was dropped by InputDispatcher. 41 // A key can be dropped for several reasons. See the enum 42 // InputDispatcher::DropReason for details. 43 virtual void reportDroppedKey(uint32_t sequenceNum) = 0; 44 }; 45 46 /* 47 * Factory method for InputReporter. 48 */ 49 sp<InputReporterInterface> createInputReporter(); 50 51 } // namespace android 52 53 #endif // _UI_INPUT_REPORTER_INTERFACE_H 54
