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Attempt to implement usage of Worker and WorkManager as this seems to…
… be necessary with api 34. ForegroundService is not allowed anymore in certain situations so need to use a slightly changed copy of this, the ForegroundWorker when we are on api34. This forces me to manually start the existing AsyncTask on the ui thread since I don't want to re-implement the whole thing...
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91 changes: 91 additions & 0 deletions
91
ttrssreader/src/main/java/org/ttrssreader/imageCache/ForegroundWorker.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| package org.ttrssreader.imageCache; | ||
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| import android.annotation.SuppressLint; | ||
| import android.content.Context; | ||
| import android.os.Handler; | ||
| import android.os.Looper; | ||
| import android.util.Log; | ||
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| import org.ttrssreader.gui.interfaces.ICacheEndListener; | ||
| import org.ttrssreader.utils.AsyncTask; | ||
| import org.ttrssreader.utils.Utils; | ||
| import org.ttrssreader.utils.WakeLocker; | ||
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| import androidx.annotation.NonNull; | ||
| import androidx.work.WorkInfo; | ||
| import androidx.work.Worker; | ||
| import androidx.work.WorkerParameters; | ||
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| public class ForegroundWorker extends Worker implements ICacheEndListener { | ||
| public static final String TAG = ForegroundWorker.class.getSimpleName(); | ||
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| private static final Object LOCK_INSTANCE = new Object(); | ||
| private static volatile ForegroundWorker instance = null; | ||
| private static ICacheEndListener parent; | ||
| private static ImageCacher imageCacher; | ||
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| public ForegroundWorker(@NonNull Context context, @NonNull WorkerParameters workerParams) { | ||
| super(context, workerParams); | ||
| instance = this; | ||
| } | ||
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| @NonNull | ||
| @Override | ||
| public Result doWork() { | ||
| Context ctx = getApplicationContext(); | ||
| androidx.work.Data data = getInputData(); | ||
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| //call methods to perform background task | ||
| synchronized (LOCK_INSTANCE) { | ||
| if (imageCacher == null) { | ||
| int networkType = data.getInt(ForegroundService.PARAM_NETWORK, Utils.NETWORK_NONE); | ||
| boolean onlyArticles = ForegroundService.ACTION_LOAD_ARTICLES.equals(data.getString(ForegroundService.PARAM_ACTION)); | ||
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| Log.i(TAG, String.format("Caching (%s) started", onlyArticles ? "articles" : "images")); | ||
| new Handler(Looper.getMainLooper()).post(() -> { | ||
| Log.d("UI thread", "I am the UI thread"); | ||
| imageCacher = new ImageCacher(instance, ctx, onlyArticles, networkType); | ||
| imageCacher.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR); | ||
| }); | ||
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| WakeLocker.acquire(ctx); | ||
| } | ||
| } | ||
| return Result.success(); | ||
| } | ||
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| @Override | ||
| public void onCacheStart() { | ||
| if (parent != null) | ||
| parent.onCacheStart(); | ||
| } | ||
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| /** | ||
| * Cleans up all running notifications, notifies waiting activities and clears the instance of the service. | ||
| */ | ||
| @SuppressLint("RestrictedApi") | ||
| @Override | ||
| public void onCacheEnd() { | ||
| WakeLocker.release(); | ||
| if (instance != null) { | ||
| imageCacher = null; | ||
| instance = null; | ||
| } | ||
| if (parent != null) | ||
| parent.onCacheEnd(); | ||
| this.stop(WorkInfo.STOP_REASON_CANCELLED_BY_APP); | ||
| } | ||
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| @Override | ||
| public void onCacheInterrupted() { | ||
| if (parent != null) | ||
| parent.onCacheInterrupted(); | ||
| } | ||
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| @Override | ||
| public void onCacheProgress(int taskCount, int progress) { | ||
| if (parent != null) | ||
| parent.onCacheProgress(taskCount, progress); | ||
| } | ||
| } |
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