Signal-Android/app/src/main/java/org/thoughtcrime/securesms/util/WakeLockUtil.java

72 lines
2.1 KiB
Java

package org.thoughtcrime.securesms.util;
import android.content.Context;
import android.os.PowerManager;
import android.os.PowerManager.WakeLock;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import org.thoughtcrime.securesms.logging.Log;
public class WakeLockUtil {
private static final String TAG = WakeLockUtil.class.getSimpleName();
/**
* Run a runnable with a wake lock. Ensures that the lock is safely acquired and released.
*
* @param tag will be prefixed with "signal:" if it does not already start with it.
*/
public static void runWithLock(@NonNull Context context, int lockType, long timeout, @NonNull String tag, @NonNull Runnable task) {
WakeLock wakeLock = null;
try {
wakeLock = acquire(context, lockType, timeout, tag);
task.run();
} finally {
if (wakeLock != null) {
release(wakeLock, tag);
}
}
}
/**
* @param tag will be prefixed with "signal:" if it does not already start with it.
*/
public static WakeLock acquire(@NonNull Context context, int lockType, long timeout, @NonNull String tag) {
tag = prefixTag(tag);
try {
PowerManager powerManager = ServiceUtil.getPowerManager(context);
WakeLock wakeLock = powerManager.newWakeLock(lockType, tag);
wakeLock.acquire(timeout);
return wakeLock;
} catch (Exception e) {
Log.w(TAG, "Failed to acquire wakelock with tag: " + tag, e);
return null;
}
}
/**
* @param tag will be prefixed with "signal:" if it does not already start with it.
*/
public static void release(@Nullable WakeLock wakeLock, @NonNull String tag) {
tag = prefixTag(tag);
try {
if (wakeLock == null) {
Log.d(TAG, "Wakelock was null. Skipping. Tag: " + tag);
} else if (wakeLock.isHeld()) {
wakeLock.release();
} else {
Log.d(TAG, "Wakelock wasn't held at time of release: " + tag);
}
} catch (Exception e) {
Log.w(TAG, "Failed to release wakelock with tag: " + tag, e);
}
}
private static String prefixTag(@NonNull String tag) {
return tag.startsWith("signal:") ? tag : "signal:" + tag;
}
}