core/java/android/view/IInputFilter.aidl

/**
 * Copyright (c) 2012, 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.
 */

package android.view;

import android.view.IInputFilterHost;
import android.view.InputEvent;

/**
 * Interface for implementing an filter which observes and
 * potentially transforms the input event stream in the system.
 *
 * @hide
 */
oneway interface IInputFilter {
    void install(IInputFilterHost host);
    void uninstall();
    void filterInputEvent(in InputEvent event, int policyFlags);
}