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; 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 final private WeakReference<T> mOuterInstanceRef; 26 27 public StaticInnerHandlerWrapper(T outerInstance) { 28 super(); 29 if (outerInstance == null) throw new NullPointerException("outerInstance is null"); 30 mOuterInstanceRef = new WeakReference<T>(outerInstance); 31 } 32 33 public StaticInnerHandlerWrapper(T outerInstance, Looper looper) { 34 super(looper); 35 if (outerInstance == null) throw new NullPointerException("outerInstance is null"); 36 mOuterInstanceRef = new WeakReference<T>(outerInstance); 37 } 38 39 public T getOuterInstance() { 40 return mOuterInstanceRef.get(); 41 } 42 } 43