diff options
Diffstat (limited to 'app/src/main/java/org/lineageos/yahooweatherprovider/yahoo/WeakReferenceHandler.java')
-rw-r--r-- | app/src/main/java/org/lineageos/yahooweatherprovider/yahoo/WeakReferenceHandler.java | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/app/src/main/java/org/lineageos/yahooweatherprovider/yahoo/WeakReferenceHandler.java b/app/src/main/java/org/lineageos/yahooweatherprovider/yahoo/WeakReferenceHandler.java new file mode 100644 index 0000000..88302c5 --- /dev/null +++ b/app/src/main/java/org/lineageos/yahooweatherprovider/yahoo/WeakReferenceHandler.java @@ -0,0 +1,40 @@ +/** + * Copyright (C) 2016 The CyanogenMod Project + * <p/> + * 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 + * <p/> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p/> + * 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 org.lineageos.yahooweatherprovider.yahoo; + +import android.os.Handler; +import android.os.Message; + +import java.lang.ref.WeakReference; + +public abstract class WeakReferenceHandler<T> extends Handler { + private WeakReference<T> mReference; + + public WeakReferenceHandler(T reference) { + mReference = new WeakReference<T>(reference); + } + + @Override + public void handleMessage(Message msg) { + T reference = mReference.get(); + if (reference == null) + return; + handleMessage(reference, msg); + } + + protected abstract void handleMessage(T reference, Message msg); +} |