Support file downloads via AndFTP (and possibly plain ftp:// intents).

core/res/values/changelog.xml

@@ -19,6 +19,7 @@
 <string name="system_changelog">
 Transdroid 2.0.0\n
 - Allow changing of storage location (Deluge and Transmission)\n
+- Allow file downloads via AndFTP\n
 - UI improvements for Lite version\n
 \n
 Transdroid 2.0.0-alpha4\n

core/res/values/strings.xml

@@ -356,6 +356,7 @@
 	<string name="error_notanumber">Please enter a positive number</string>
 	<string name="error_notalabel">Please enter a valid label or pick from the list</string>
 	<string name="error_stillloadingdetails">Please wait until the torrent details have been loaded</string>
+	<string name="error_noftpapp">No app found that can download %1$s</string>
 	
 	<string name="update_app_newversion">New Transdroid version available</string>
 	<string name="update_search_newversion">New Transdroid search module available</string>

core/src/org/transdroid/core/gui/DetailsActivity.java

@@ -126,6 +126,7 @@ public class DetailsActivity extends SherlockFragmentActivity implements Torrent
 
 		// Connect to the last used server
 		ServerSetting lastUsed = applicationSettings.getLastUsedServer();
+		fragmentDetails.setCurrentServerSettings(lastUsed);
 		currentConnection = lastUsed.createServerAdapter(connectivityHelper.getConnectedNetworkName());
 
 		// Show details and load fine stats and torrent files

core/src/org/transdroid/core/gui/DetailsFragment.java

@@ -27,6 +27,7 @@ import org.androidannotations.annotations.OptionsItem;
 import org.androidannotations.annotations.OptionsMenu;
 import org.androidannotations.annotations.ViewById;
 import org.transdroid.core.R;
+import org.transdroid.core.app.settings.ServerSetting;
 import org.transdroid.core.app.settings.SystemSettings_;
 import org.transdroid.core.gui.lists.DetailsAdapter;
 import org.transdroid.core.gui.lists.SimpleListItemAdapter;
@@ -46,6 +47,9 @@ import org.transdroid.daemon.Torrent;
 import org.transdroid.daemon.TorrentDetails;
 import org.transdroid.daemon.TorrentFile;
 
+import android.annotation.SuppressLint;
+import android.content.Intent;
+import android.net.Uri;
 import android.view.View;
 import android.widget.ProgressBar;
 import android.widget.TextView;
@@ -81,6 +85,7 @@ public class DetailsFragment extends SherlockFragment implements OnTrackersUpdat
 	protected ArrayList<Label> currentLabels = null;
 	@InstanceState
 	protected boolean isLoadingTorrent = false;
+	private ServerSetting currentServerSettings = null;
 
 	// Views
 	@ViewById(resName = "details_list")
@@ -117,6 +122,10 @@ public class DetailsFragment extends SherlockFragment implements OnTrackersUpdat
 
 	}
 
+	public void setCurrentServerSettings(ServerSetting serverSettings) {
+		currentServerSettings = serverSettings;
+	}
+
 	/**
 	 * Updates the details adapter header to show the new torrent data.
 	 * @param newTorrent The new torrent object
@@ -340,6 +349,7 @@ public class DetailsFragment extends SherlockFragment implements OnTrackersUpdat
 			return selectionManagerMode.onPrepareActionMode(mode, menu);
 		}
 
+		@SuppressLint("SdCardPath")
 		@Override
 		public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
 
@@ -354,13 +364,61 @@ public class DetailsFragment extends SherlockFragment implements OnTrackersUpdat
 
 			int itemId = item.getItemId();
 			if (itemId == R.id.action_download) {
-				// TODO: Start FTP download command for the selected torrents
-				Crouton.showText(getActivity(), "TODO: Start FTP download command for the selected torrents",
-						NavigationHelper.CROUTON_INFO_STYLE);
-				// for (TorrentFile file : checked) {
-				// }
+
+				if (checked.size() < 1 || currentServerSettings == null)
+					return true;
+				String urlBase = currentServerSettings.getFtpUrl();
+				if (urlBase == null || urlBase.equals(""))
+					urlBase = "ftp://" + currentServerSettings.getAddress();
+
+				// Try using AndFTP intents
+				Intent andftpStart = new Intent(Intent.ACTION_PICK);
+				andftpStart.setDataAndType(Uri.parse(urlBase), "vnd.android.cursor.dir/lysesoft.andftp.uri");
+				andftpStart.putExtra("command_type", "download");
+				andftpStart.putExtra("ftp_pasv", "true");
+				if (Uri.parse(urlBase).getUserInfo() != null)
+					andftpStart.putExtra("ftp_username", Uri.parse(urlBase).getUserInfo());
+				else
+					andftpStart.putExtra("ftp_username", currentServerSettings.getUsername());
+				if (currentServerSettings.getFtpPassword() != null
+						&& !currentServerSettings.getFtpPassword().equals("")) {
+					andftpStart.putExtra("ftp_password", currentServerSettings.getFtpPassword());
+				} else {
+					andftpStart.putExtra("ftp_password", currentServerSettings.getPassword());
+				}
+				// Note: AndFTP doesn't understand the directory that Environment.getExternalStoragePublicDirectory()
+				// uses :(
+				andftpStart.putExtra("local_folder", "/sdcard/Download");
+				for (int f = 0; f < checked.size(); f++) {
+					String file = checked.get(f).getRelativePath();
+					// If the file is directly in the root, AndFTP fails if we supply the proper path (like /file.pdf)
+					// Work around this bug by removing the leading / if no further directories are used in the path
+					if (file.startsWith("/") && file.indexOf("/", 1) < 0)
+						file = file.substring(1);
+					andftpStart.putExtra("remote_file" + (f + 1), file);
+				}
+				if (andftpStart.resolveActivity(getActivity().getPackageManager()) != null) {
+					startActivity(andftpStart);
+					mode.finish();
+					return true;
+				}
+
+				// Try using a VIEW intent given an ftp:// scheme URI
+				String url = urlBase + checked.get(0).getFullPath();
+				Intent simpleStart = new Intent(Intent.ACTION_VIEW, Uri.parse(url))
+						.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+				if (simpleStart.resolveActivity(getActivity().getPackageManager()) != null) {
+					startActivity(simpleStart);
+					mode.finish();
+					return true;
+				}
+
+				// No app is available that can handle FTP downloads
+				Crouton.showText(getActivity(), getString(R.string.error_noftpapp, url),
+						NavigationHelper.CROUTON_ERROR_STYLE);
 				mode.finish();
 				return true;
+
 			} else {
 				Priority priority = Priority.Off;
 				if (itemId == R.id.action_priority_low)

core/src/org/transdroid/core/gui/TorrentsActivity.java

@@ -372,6 +372,7 @@ public class TorrentsActivity extends SherlockFragmentActivity implements OnNavi
 			fragmentTorrents.clear(true, true);
 			if (fragmentDetails != null && fragmentDetails.getActivity() != null) {
 				fragmentDetails.clear();
+				fragmentDetails.setCurrentServerSettings(server);
 			}
 			updateFragmentVisibility(true);
 			refreshScreen();

lite/AndroidManifest.xml

@@ -75,6 +75,7 @@
 				<category android:name="android.intent.category.BROWSABLE" />
 
 				<data
+					android:host="*"
 					android:mimeType="application/x-bittorrent"
 					android:scheme="http" />
 			</intent-filter>
@@ -85,6 +86,7 @@
 				<category android:name="android.intent.category.BROWSABLE" />
 
 				<data
+					android:host="*"
 					android:pathPattern=".*\\.torrent"
 					android:scheme="http" />
 			</intent-filter>
@@ -95,6 +97,7 @@
 				<category android:name="android.intent.category.BROWSABLE" />
 
 				<data
+					android:host="*"
 					android:mimeType="application/x-bittorrent"
 					android:scheme="https" />
 			</intent-filter>
@@ -105,6 +108,7 @@
 				<category android:name="android.intent.category.BROWSABLE" />
 
 				<data
+					android:host="*"
 					android:pathPattern=".*\\.torrent"
 					android:scheme="https" />
 			</intent-filter>
@@ -115,6 +119,7 @@
 				<category android:name="android.intent.category.BROWSABLE" />
 
 				<data
+					android:host="*"
 					android:mimeType="application/x-bittorrent"
 					android:scheme="file" />
 			</intent-filter>
@@ -125,6 +130,7 @@
 				<category android:name="android.intent.category.BROWSABLE" />
 
 				<data
+					android:host="*"
 					android:pathPattern=".*\\.torrent"
 					android:scheme="file" />
 			</intent-filter>
@@ -135,6 +141,7 @@
 				<category android:name="android.intent.category.BROWSABLE" />
 
 				<data
+					android:host="*"
 					android:mimeType="application/x-bittorrent"
 					android:scheme="content" />
 			</intent-filter>
@@ -145,6 +152,7 @@
 				<category android:name="android.intent.category.BROWSABLE" />
 
 				<data
+					android:host="*"
 					android:pathPattern=".*\\.torrent"
 					android:scheme="content" />
 			</intent-filter>