Android Open Source - GalDroid Syncronize Cache Task

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License

The source code is released under:

GNU General Public License

Java Source Code

package de.raptor2101.GalDroid.WebGallery.Tasks;
/*from w w  w.  jav a2s.  c  o  m*/
import java.io.File;
import java.lang.ref.WeakReference;

import de.raptor2101.GalDroid.Config.GalDroidPreference;
import de.raptor2101.GalDroid.WebGallery.ImageCache;
import android.os.AsyncTask;

public class SyncronizeCacheTask extends AsyncTask<Void, Integer, Void> {
  private WeakReference<CacheTaskListener> mListener;
  private File[] mFiles;

  public SyncronizeCacheTask(ImageCache cache, CacheTaskListener listener) {
    mListener = new WeakReference<CacheTaskListener>(listener);
    mFiles = cache.ListCachedFiles();
  }

  @Override
  protected void onPreExecute() {
    CacheTaskListener listener = mListener.get();
    if (listener != null) {
      listener.onCacheOperationStart(mFiles.length);
    }
  }

  @Override
  protected Void doInBackground(Void... params) {
    GalDroidPreference preference = GalDroidPreference.GetAsyncAccess();
    try {
      preference.clearCacheTable();
      int length = mFiles.length;
      for (int i = 0; i < length; i++) {
        preference.insertCacheObject(mFiles[i]);
        publishProgress(i);
      }
    } finally {
      preference.close();
    }
    return null;
  }

  @Override
  protected void onProgressUpdate(Integer... values) {
    CacheTaskListener listener = mListener.get();
    if (listener != null) {
      listener.onCacheOperationProgress(values[0]);
    }
  }

  @Override
  protected void onPostExecute(Void result) {
    CacheTaskListener listener = mListener.get();
    if (listener != null) {
      listener.onCacheOperationDone();
    }
  }
}

Java Source Code List

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