purge unused methods from ApkDownloader and AsyncDownloadWrapper

F-Droid/src/org/fdroid/fdroid/net/ApkDownloader.java

@@ -232,18 +232,6 @@ public class ApkDownloader implements AsyncDownloadWrapper.Listener {
         }
     }
 
-    @Override
-    public void onReceiveTotalDownloadSize(int size) {
-        // Do nothing...
-        // Rather, we will obtain the total download size from the progress events
-        // when they start coming through.
-    }
-
-    @Override
-    public void onReceiveCacheTag(String cacheTag) {
-        // Do nothing...
-    }
-
     @Override
     public void onErrorDownloading(String localisedExceptionDetails) {
         Log.e(TAG, "Download failed: " + localisedExceptionDetails);

F-Droid/src/org/fdroid/fdroid/net/AsyncDownloadWrapper.java

@@ -43,16 +43,6 @@ public class AsyncDownloadWrapper extends Handler {
         this.listener   = listener;
     }
 
-    public void fetchTotalDownloadSize() {
-        int size = downloader.totalDownloadSize();
-        listener.onReceiveTotalDownloadSize(size);
-    }
-
-    public void fetchCacheTag() {
-        String cacheTag = downloader.getCacheTag();
-        listener.onReceiveCacheTag(cacheTag);
-    }
-
     public void download() {
         downloadThread = new DownloadThread();
         downloadThread.start();
@@ -64,22 +54,6 @@ public class AsyncDownloadWrapper extends Handler {
         }
     }
 
-    public static class NotDownloadingException extends Exception {
-        public NotDownloadingException(String message) {
-            super(message);
-        }
-    }
-
-    public void cancelDownload() throws NotDownloadingException {
-        if (downloadThread == null) {
-            throw new RuntimeException("Can't cancel download, it hasn't started yet.");
-        } else if (!downloadThread.isAlive()) {
-            throw new RuntimeException("Can't cancel download, it is already finished.");
-        }
-
-        downloadThread.interrupt();
-    }
-
     /**
      * Receives "messages" from the download thread, and passes them onto the
      * relevant {@link org.fdroid.fdroid.net.AsyncDownloadWrapper.Listener}
@@ -105,8 +79,6 @@ public class AsyncDownloadWrapper extends Handler {
     }
 
     public interface Listener extends ProgressListener {
-        void onReceiveTotalDownloadSize(int size);
-        void onReceiveCacheTag(String cacheTag);
         void onErrorDownloading(String localisedExceptionDetails);
         void onDownloadComplete();
         void onDownloadCancelled();