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Move ListenableFutureTask up to parent.
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6 changes: 0 additions & 6 deletions
6
libtextsecure/src/main/java/org/whispersystems/textsecure/util/FutureTaskListener.java
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libtextsecure/src/main/java/org/whispersystems/textsecure/util/ListenableFutureTask.java
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22 changes: 22 additions & 0 deletions
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src/org/thoughtcrime/securesms/util/FutureTaskListener.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| /** | ||
| * Copyright (C) 2014 Open Whisper Systems | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.thoughtcrime.securesms.util; | ||
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| public interface FutureTaskListener<V> { | ||
| public void onSuccess(V result); | ||
| public void onFailure(Throwable error); | ||
| } |
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src/org/thoughtcrime/securesms/util/ListenableFutureTask.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /** | ||
| * Copyright (C) 2014 Open Whisper Systems | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.thoughtcrime.securesms.util; | ||
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|
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| import java.util.LinkedList; | ||
| import java.util.List; | ||
| import java.util.concurrent.Callable; | ||
| import java.util.concurrent.ExecutionException; | ||
| import java.util.concurrent.FutureTask; | ||
|
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| public class ListenableFutureTask<V> extends FutureTask<V> { | ||
|
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| private final List<FutureTaskListener<V>> listeners = new LinkedList<>(); | ||
|
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| public ListenableFutureTask(Callable<V> callable) { | ||
| super(callable); | ||
| } | ||
|
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| public synchronized void addListener(FutureTaskListener<V> listener) { | ||
| if (this.isDone()) { | ||
| callback(listener); | ||
| } else { | ||
| this.listeners.add(listener); | ||
| } | ||
| } | ||
|
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| public synchronized void removeListener(FutureTaskListener<V> listener) { | ||
| this.listeners.remove(listener); | ||
| } | ||
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| @Override | ||
| protected synchronized void done() { | ||
| callback(); | ||
| } | ||
|
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| private void callback() { | ||
| for (FutureTaskListener<V> listener : listeners) { | ||
| callback(listener); | ||
| } | ||
| } | ||
|
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| private void callback(FutureTaskListener<V> listener) { | ||
| if (listener != null) { | ||
| try { | ||
| listener.onSuccess(get()); | ||
| } catch (InterruptedException e) { | ||
| throw new AssertionError(e); | ||
| } catch (ExecutionException e) { | ||
| listener.onFailure(e); | ||
| } | ||
| } | ||
| } | ||
| } |