1 /* 2 * Copyright (C) 2010 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 /** 20 * An input queue provides a mechanism for an application to receive incoming 21 * input events. Currently only usable from native code. 22 */ 23 public final class InputQueue { 24 /** 25 * Interface to receive notification of when an InputQueue is associated 26 * and dissociated with a thread. 27 */ 28 public static interface Callback { 29 /** 30 * Called when the given InputQueue is now associated with the 31 * thread making this call, so it can start receiving events from it. 32 */ onInputQueueCreated(InputQueue queue)33 void onInputQueueCreated(InputQueue queue); 34 35 /** 36 * Called when the given InputQueue is no longer associated with 37 * the thread and thus not dispatching events. 38 */ onInputQueueDestroyed(InputQueue queue)39 void onInputQueueDestroyed(InputQueue queue); 40 } 41 42 final InputChannel mChannel; 43 44 /** @hide */ InputQueue(InputChannel channel)45 public InputQueue(InputChannel channel) { 46 mChannel = channel; 47 } 48 49 /** @hide */ getInputChannel()50 public InputChannel getInputChannel() { 51 return mChannel; 52 } 53 } 54