1 /** 2 * Copyright (c) 2012, 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 package android.view; 18 19 import android.view.IInputFilterHost; 20 import android.view.InputEvent; 21 22 /** 23 * Interface for implementing an filter which observes and 24 * potentially transforms the input event stream in the system. 25 * 26 * @hide 27 */ 28 oneway interface IInputFilter { install(IInputFilterHost host)29 void install(IInputFilterHost host); uninstall()30 void uninstall(); filterInputEvent(in InputEvent event, int policyFlags)31 void filterInputEvent(in InputEvent event, int policyFlags); 32 } 33