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