LatinIME/java/src/com/android/inputmethod/latin/utils/LeakGuardHandlerWrapper.java

44 lines
1.3 KiB
Java

/*
* Copyright (C) 2011 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 com.android.inputmethod.latin.utils;
import android.os.Handler;
import android.os.Looper;
import java.lang.ref.WeakReference;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
public class LeakGuardHandlerWrapper<T> extends Handler {
private final WeakReference<T> mOwnerInstanceRef;
public LeakGuardHandlerWrapper(@Nonnull final T ownerInstance) {
this(ownerInstance, Looper.myLooper());
}
public LeakGuardHandlerWrapper(@Nonnull final T ownerInstance, final Looper looper) {
super(looper);
mOwnerInstanceRef = new WeakReference<>(ownerInstance);
}
@Nullable
public T getOwnerInstance() {
return mOwnerInstanceRef.get();
}
}