switch Downloader total download size to long to support >16MB

This was int because it was written arond UrlConnection.getContentLength()
which returns an int.  But that doesn't make sense since this will
definitely handle files large than 16MB.

!647
#1192

app/src/main/java/org/fdroid/fdroid/ProgressListener.java

@@ -19,6 +19,6 @@ import java.net.URL;
  */
 public interface ProgressListener {
 
-    void onProgress(URL sourceUrl, int bytesRead, int totalBytes);
+    void onProgress(URL sourceUrl, long bytesRead, long totalBytes);
 
 }

app/src/main/java/org/fdroid/fdroid/RepoUpdater.java

@@ -251,14 +251,14 @@ public class RepoUpdater {
 
     protected final ProgressListener downloadListener = new ProgressListener() {
         @Override
-        public void onProgress(URL sourceUrl, int bytesRead, int totalBytes) {
+        public void onProgress(URL sourceUrl, long bytesRead, long totalBytes) {
             UpdateService.reportDownloadProgress(context, RepoUpdater.this, bytesRead, totalBytes);
         }
     };
 
     protected final ProgressListener processIndexListener = new ProgressListener() {
         @Override
-        public void onProgress(URL sourceUrl, int bytesRead, int totalBytes) {
+        public void onProgress(URL sourceUrl, long bytesRead, long totalBytes) {
             UpdateService.reportProcessIndexProgress(context, RepoUpdater.this, bytesRead, totalBytes);
         }
     };

app/src/main/java/org/fdroid/fdroid/UpdateService.java

@@ -516,12 +516,13 @@ public class UpdateService extends IntentService {
         }
     }
 
-    public static void reportDownloadProgress(Context context, RepoUpdater updater, int bytesRead, int totalBytes) {
+    public static void reportDownloadProgress(Context context, RepoUpdater updater,
+                                              long bytesRead, long totalBytes) {
         Utils.debugLog(TAG, "Downloading " + updater.indexUrl + "(" + bytesRead + "/" + totalBytes + ")");
         String downloadedSizeFriendly = Utils.getFriendlySize(bytesRead);
         int percent = -1;
         if (totalBytes > 0) {
-            percent = (int) ((double) bytesRead / totalBytes * 100);
+            percent = (int) (bytesRead / (totalBytes * 100L));
         }
         String message;
         if (totalBytes == -1) {
@@ -534,13 +535,14 @@ public class UpdateService extends IntentService {
         sendStatus(context, STATUS_INFO, message, percent);
     }
 
-    public static void reportProcessIndexProgress(Context context, RepoUpdater updater, int bytesRead, int totalBytes) {
+    public static void reportProcessIndexProgress(Context context, RepoUpdater updater,
+                                                  long bytesRead, long totalBytes) {
         Utils.debugLog(TAG, "Processing " + updater.indexUrl + "(" + bytesRead + "/" + totalBytes + ")");
         String downloadedSize = Utils.getFriendlySize(bytesRead);
         String totalSize = Utils.getFriendlySize(totalBytes);
         int percent = -1;
         if (totalBytes > 0) {
-            percent = (int) ((double) bytesRead / totalBytes * 100);
+            percent = (int) (bytesRead / (totalBytes * 100L));
         }
         String message = context.getString(R.string.status_processing_xml_percent, updater.indexUrl, downloadedSize, totalSize, percent);
         sendStatus(context, STATUS_INFO, message, percent);

app/src/main/java/org/fdroid/fdroid/net/BluetoothDownloader.java

@@ -73,7 +73,7 @@ public class BluetoothDownloader extends Downloader {
     }
 
     @Override
-    public int totalDownloadSize() {
+    public long totalDownloadSize() {
         FileDetails details = getFileDetails();
         return details != null ? details.getFileSize() : -1;
     }

app/src/main/java/org/fdroid/fdroid/net/Downloader.java

@@ -32,8 +32,8 @@ public abstract class Downloader {
     public static final String EXTRA_MIRROR_URL = "org.fdroid.fdroid.net.Downloader.extra.ERROR_MIRROR_URL";
 
     private volatile boolean cancelled = false;
-    private volatile int bytesRead;
+    private volatile long bytesRead;
-    private volatile int totalBytes;
+    private volatile long totalBytes;
 
     public final File outputFile;
 
@@ -92,7 +92,7 @@ public abstract class Downloader {
 
     public abstract boolean hasChanged();
 
-    protected abstract int totalDownloadSize();
+    protected abstract long totalDownloadSize();
 
     public abstract void download() throws ConnectException, IOException, InterruptedException;
 

app/src/main/java/org/fdroid/fdroid/net/DownloaderService.java

@@ -199,7 +199,7 @@ public class DownloaderService extends Service {
             downloader = DownloaderFactory.create(this, uri, localFile);
             downloader.setListener(new ProgressListener() {
                 @Override
-                public void onProgress(URL sourceUrl, int bytesRead, int totalBytes) {
+                public void onProgress(URL sourceUrl, long bytesRead, long totalBytes) {
                     Intent intent = new Intent(Downloader.ACTION_PROGRESS);
                     intent.setData(uri);
                     intent.putExtra(Downloader.EXTRA_BYTES_READ, bytesRead);

app/src/main/java/org/fdroid/fdroid/net/HttpDownloader.java

@@ -1,5 +1,7 @@
 package org.fdroid.fdroid.net;
 
+import android.annotation.TargetApi;
+import android.os.Build;
 import android.text.TextUtils;
 import com.nostra13.universalimageloader.core.download.BaseImageDownloader;
 import info.guardianproject.netcipher.NetCipher;
@@ -169,8 +171,13 @@ public class HttpDownloader extends Downloader {
     // because as the repo grows, the tradeoff will
     // become more worth it.
     @Override
-    public int totalDownloadSize() {
+    @TargetApi(24)
-        return connection.getContentLength();
+    public long totalDownloadSize() {
+        if (Build.VERSION.SDK_INT < 24) {
+            return connection.getContentLength();
+        } else {
+            return connection.getContentLengthLong();
+        }
     }
 
     @Override

app/src/main/java/org/fdroid/fdroid/net/bluetooth/FileDetails.java

@@ -3,13 +3,13 @@ package org.fdroid.fdroid.net.bluetooth;
 public class FileDetails {
 
     private String cacheTag;
-    private int fileSize;
+    private long fileSize;
 
     public String getCacheTag() {
         return cacheTag;
     }
 
-    public int getFileSize() {
+    public long getFileSize() {
         return fileSize;
     }