Added preferences for configuring auto-download

2 files changed, 165 insertions, 13 deletions

diff --git a/src/de/danoeh/antennapod/activity/PreferenceActivity.java b/src/de/danoeh/antennapod/activity/PreferenceActivity.java
index 360ff610d..7df0c17bd 100644
--- a/src/de/danoeh/antennapod/activity/PreferenceActivity.java
+++ b/src/de/danoeh/antennapod/activity/PreferenceActivity.java
@@ -1,13 +1,22 @@
 package de.danoeh.antennapod.activity;
 
 import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 
+import android.content.Context;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.content.res.Resources.Theme;
+import android.net.wifi.WifiConfiguration;
+import android.net.wifi.WifiManager;
 import android.os.Bundle;
+import android.preference.CheckBoxPreference;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.Preference.OnPreferenceClickListener;
+import android.preference.PreferenceScreen;
 import android.util.Log;
 
 import com.actionbarsherlock.app.SherlockPreferenceActivity;
@@ -32,6 +41,9 @@ public class PreferenceActivity extends SherlockPreferenceActivity {
 	private static final String PREF_OPML_EXPORT = "prefOpmlExport";
 	private static final String PREF_ABOUT = "prefAbout";
 	private static final String PREF_CHOOSE_DATA_DIR = "prefChooseDataDir";
+	private static final String AUTO_DL_PREF_SCREEN = "prefAutoDownloadSettings";
+
+	private CheckBoxPreference[] selectedNetworks;
 
 	@SuppressWarnings("deprecation")
 	@Override
@@ -102,21 +114,48 @@ public class PreferenceActivity extends SherlockPreferenceActivity {
 						return true;
 					}
 				});
-		findPreference(UserPreferences.PREF_THEME).setOnPreferenceChangeListener(
-				new OnPreferenceChangeListener() {
+		findPreference(UserPreferences.PREF_THEME)
+				.setOnPreferenceChangeListener(
+						new OnPreferenceChangeListener() {
+
+							@Override
+							public boolean onPreferenceChange(
+									Preference preference, Object newValue) {
+								Intent i = getIntent();
+								i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK
+										| Intent.FLAG_ACTIVITY_NEW_TASK);
+								finish();
+								startActivity(i);
+								return true;
+							}
+						});
+		findPreference(UserPreferences.PREF_ENABLE_AUTODL_WIFI_FILTER)
+				.setOnPreferenceChangeListener(
+						new OnPreferenceChangeListener() {
+
+							@Override
+							public boolean onPreferenceChange(
+									Preference preference, Object newValue) {
+								if (newValue instanceof Boolean) {
+									setSelectedNetworksEnabled((Boolean) newValue);
+									return true;
+								} else {
+									return false;
+								}
+							}
+						});
+		buildAutodownloadSelectedNetworsPreference();
+		setSelectedNetworksEnabled(UserPreferences
+				.isEnableAutodownloadWifiFilter());
 
-					@Override
-					public boolean onPreferenceChange(Preference preference,
-							Object newValue) {
-						Intent i = getIntent();
-						i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK
-								| Intent.FLAG_ACTIVITY_NEW_TASK);
-						finish();
-						startActivity(i);
-						return true;
-					}
-				});
+	}
 
+	private void setSelectedNetworksEnabled(boolean b) {
+		if (selectedNetworks != null) {
+			for (Preference p : selectedNetworks) {
+				p.setEnabled(b);
+			}
+		}
 	}
 
 	@Override
@@ -180,4 +219,81 @@ public class PreferenceActivity extends SherlockPreferenceActivity {
 		}
 	}
 
+	private void buildAutodownloadSelectedNetworsPreference() {
+		if (selectedNetworks != null) {
+			clearAutodownloadSelectedNetworsPreference();
+		}
+		// get configured networks
+		WifiManager wifiservice = (WifiManager) getSystemService(Context.WIFI_SERVICE);
+		List<WifiConfiguration> networks = wifiservice.getConfiguredNetworks();
+
+		if (networks != null) {
+			selectedNetworks = new CheckBoxPreference[networks.size()];
+			List<String> prefValues = Arrays.asList(UserPreferences
+					.getAutodownloadSelectedNetworks());
+			PreferenceScreen prefScreen = (PreferenceScreen) findPreference(AUTO_DL_PREF_SCREEN);
+			OnPreferenceClickListener clickListener = new OnPreferenceClickListener() {
+
+				@Override
+				public boolean onPreferenceClick(Preference preference) {
+					if (preference instanceof CheckBoxPreference) {
+						String key = preference.getKey();
+						ArrayList<String> prefValuesList = new ArrayList<String>(
+								Arrays.asList(UserPreferences
+										.getAutodownloadSelectedNetworks()));
+						boolean newValue = ((CheckBoxPreference) preference)
+								.isChecked();
+						if (AppConfig.DEBUG)
+							Log.d(TAG, "Selected network " + key
+									+ ". New state: " + newValue);
+
+						int index = prefValuesList.indexOf(key);
+						if (index >= 0 && newValue == false) {
+							// remove network
+							prefValuesList.remove(index);
+						} else if (index < 0 && newValue == true) {
+							prefValuesList.add(key);
+						}
+
+						UserPreferences.setAutodownloadSelectedNetworks(
+								PreferenceActivity.this, prefValuesList
+										.toArray(new String[prefValuesList
+												.size()]));
+						return true;
+					} else {
+						return false;
+					}
+				}
+			};
+			// create preference for each known network. attach listener and set
+			// value
+			for (int i = 0; i < networks.size(); i++) {
+				WifiConfiguration config = networks.get(i);
+
+				CheckBoxPreference pref = new CheckBoxPreference(this);
+				String key = Integer.toString(config.networkId);
+				pref.setTitle(config.SSID);
+				pref.setKey(key);
+				pref.setOnPreferenceClickListener(clickListener);
+				pref.setPersistent(false);
+				pref.setChecked(prefValues.contains(key));
+				selectedNetworks[i] = pref;
+				prefScreen.addPreference(pref);
+			}
+		} else {
+			Log.e(TAG, "Couldn't get list of configure Wi-Fi networks");
+		}
+	}
+
+	private void clearAutodownloadSelectedNetworsPreference() {
+		if (selectedNetworks != null) {
+			PreferenceScreen prefScreen = (PreferenceScreen) findPreference(AUTO_DL_PREF_SCREEN);
+
+			for (int i = 0; i < selectedNetworks.length; i++) {
+				if (selectedNetworks[i] != null) {
+					prefScreen.removePreference(selectedNetworks[i]);
+				}
+			}
+		}
+	}
 }
diff --git a/src/de/danoeh/antennapod/preferences/UserPreferences.java b/src/de/danoeh/antennapod/preferences/UserPreferences.java
index f4c0b94b0..72fd7a46a 100644
--- a/src/de/danoeh/antennapod/preferences/UserPreferences.java
+++ b/src/de/danoeh/antennapod/preferences/UserPreferences.java
@@ -2,8 +2,11 @@ package de.danoeh.antennapod.preferences;
 
 import java.io.File;
 import java.io.IOException;
+import java.util.Set;
 import java.util.concurrent.TimeUnit;
 
+import org.apache.commons.lang3.StringUtils;
+
 import android.app.AlarmManager;
 import android.app.PendingIntent;
 import android.content.Context;
@@ -36,6 +39,8 @@ public class UserPreferences implements
 	public static final String PREF_AUTO_DELETE = "prefAutoDelete";
 	public static final String PREF_THEME = "prefTheme";
 	public static final String PREF_DATA_FOLDER = "prefDataFolder";
+	public static final String PREF_ENABLE_AUTODL_WIFI_FILTER = "prefEnableAutoDownloadWifiFilter";
+	private static final String PREF_AUTODL_SELECTED_NETWORKS = "prefAutodownloadSelectedNetworks";
 
 	private static UserPreferences instance;
 	private Context context;
@@ -50,6 +55,8 @@ public class UserPreferences implements
 	private boolean displayOnlyEpisodes;
 	private boolean autoDelete;
 	private int theme;
+	private boolean enableAutodownloadWifiFilter;
+	private String[] autodownloadSelectedNetworks;
 
 	private UserPreferences(Context context) {
 		this.context = context;
@@ -90,6 +97,10 @@ public class UserPreferences implements
 		displayOnlyEpisodes = sp.getBoolean(PREF_DISPLAY_ONLY_EPISODES, false);
 		autoDelete = sp.getBoolean(PREF_AUTO_DELETE, false);
 		theme = readThemeValue(sp.getString(PREF_THEME, "0"));
+		enableAutodownloadWifiFilter = sp.getBoolean(
+				PREF_ENABLE_AUTODL_WIFI_FILTER, false);
+		autodownloadSelectedNetworks = StringUtils.split(
+				sp.getString(PREF_AUTODL_SELECTED_NETWORKS, ""), ',');
 	}
 
 	private int readThemeValue(String valueFromPrefs) {
@@ -160,6 +171,16 @@ public class UserPreferences implements
 		return instance.theme;
 	}
 
+	public static boolean isEnableAutodownloadWifiFilter() {
+		instanceAvailable();
+		return instance.enableAutodownloadWifiFilter;
+	}
+
+	public static String[] getAutodownloadSelectedNetworks() {
+		instanceAvailable();
+		return instance.autodownloadSelectedNetworks;
+	}
+
 	@Override
 	public void onSharedPreferenceChanged(SharedPreferences sp, String key) {
 		if (AppConfig.DEBUG)
@@ -204,9 +225,24 @@ public class UserPreferences implements
 					false);
 		} else if (key.equals(PREF_THEME)) {
 			theme = readThemeValue(sp.getString(PREF_THEME, ""));
+		} else if (key.equals(PREF_ENABLE_AUTODL_WIFI_FILTER)) {
+			enableAutodownloadWifiFilter = sp.getBoolean(
+					PREF_ENABLE_AUTODL_WIFI_FILTER, false);
+		} else if (key.equals(PREF_AUTODL_SELECTED_NETWORKS)) {
+			autodownloadSelectedNetworks = StringUtils.split(
+					sp.getString(PREF_AUTODL_SELECTED_NETWORKS, ""), ',');
 		}
 	}
 
+	public static void setAutodownloadSelectedNetworks(Context context, String[] value) {
+		SharedPreferences.Editor editor = PreferenceManager
+				.getDefaultSharedPreferences(context.getApplicationContext())
+				.edit();
+		editor.putString(PREF_AUTODL_SELECTED_NETWORKS,
+				StringUtils.join(value, ','));
+		editor.commit();
+	}
+
 	/**
 	 * Return the folder where the app stores all of its data. This method will
 	 * return the standard data folder if none has been set by the user.