1 /* 2 * Copyright (C) 2011 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 com.android.inputmethod.latin.utils; 18 19 import android.os.Handler; 20 import android.os.Looper; 21 22 import java.lang.ref.WeakReference; 23 24 public class StaticInnerHandlerWrapper<T> extends Handler { 25 private final WeakReference<T> mOuterInstanceRef; 26 27 public StaticInnerHandlerWrapper(final T outerInstance) { 28 this(outerInstance, Looper.myLooper()); 29 } 30 31 public StaticInnerHandlerWrapper(final T outerInstance, final Looper looper) { 32 super(looper); 33 if (outerInstance == null) { 34 throw new NullPointerException("outerInstance is null"); 35 } 36 mOuterInstanceRef = new WeakReference<T>(outerInstance); 37 } 38 39 public T getOuterInstance() { 40 return mOuterInstanceRef.get(); 41 } 42 } 43
