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package de.danoeh.antennapod;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import android.app.AlarmManager;
import android.app.Application;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.preference.PreferenceActivity;
import android.preference.PreferenceManager;
import android.util.Log;
import de.danoeh.antennapod.activity.OpmlImportActivity;
import de.danoeh.antennapod.asynctask.FeedImageLoader;
import de.danoeh.antennapod.feed.FeedManager;
import de.danoeh.antennapod.feed.FeedMedia;
import de.danoeh.antennapod.receiver.FeedUpdateReceiver;
import de.danoeh.antennapod.service.PlaybackService;
/** Main application class. */
public class PodcastApp extends Application implements
SharedPreferences.OnSharedPreferenceChangeListener {
private static final String TAG = "PodcastApp";
public static final String EXPORT_DIR = "export/";
public static final String PREF_PAUSE_ON_HEADSET_DISCONNECT = "prefPauseOnHeadsetDisconnect";
public static final String PREF_FOLLOW_QUEUE = "prefFollowQueue";
public static final String PREF_DOWNLOAD_MEDIA_ON_WIFI_ONLY = "prefDownloadMediaOnWifiOnly";
public static final String PREF_UPDATE_INTERVALL = "prefAutoUpdateIntervall";
public static final String PREF_MOBILE_UPDATE = "prefMobileUpdate";
public static final String PREF_AUTO_QUEUE = "prefAutoQueue";
public static final String PREF_DISPLAY_ONLY_EPISODES = "prefDisplayOnlyEpisodes";
public static final String PREF_AUTO_DELETE = "prefAutoDelete";
public static final String PREF_THEME = "prefTheme";
public static final String PREF_DATA_FOLDER = "prefDataFolder";
private static float LOGICAL_DENSITY;
private static PodcastApp singleton;
private boolean displayOnlyEpisodes;
private static long currentlyPlayingMediaId;
/** Resource id of the currently selected theme. */
private static int theme;
public static PodcastApp getInstance() {
return singleton;
}
@Override
public void onCreate() {
super.onCreate();
singleton = this;
LOGICAL_DENSITY = getResources().getDisplayMetrics().density;
SharedPreferences prefs = PreferenceManager
.getDefaultSharedPreferences(this);
displayOnlyEpisodes = prefs.getBoolean(PREF_DISPLAY_ONLY_EPISODES,
false);
currentlyPlayingMediaId = prefs.getLong(
PlaybackService.PREF_CURRENTLY_PLAYING_MEDIA,
PlaybackService.NO_MEDIA_PLAYING);
readThemeValue();
createImportDirectory();
createNoMediaFile();
prefs.registerOnSharedPreferenceChangeListener(this);
FeedManager manager = FeedManager.getInstance();
manager.loadDBData(getApplicationContext());
}
/** Create a .nomedia file to prevent scanning by the media scanner. */
private void createNoMediaFile() {
File f = new File(getExternalFilesDir(null), ".nomedia");
if (!f.exists()) {
try {
f.createNewFile();
} catch (IOException e) {
Log.e(TAG, "Could not create .nomedia file");
e.printStackTrace();
}
if (AppConfig.DEBUG)
Log.d(TAG, ".nomedia file created");
}
}
/**
* Creates the import directory if it doesn't exist and if storage is
* available
*/
private void createImportDirectory() {
File importDir = getDataFolder(this, OpmlImportActivity.IMPORT_DIR);
if (importDir != null) {
if (importDir.exists()) {
if (AppConfig.DEBUG)
Log.d(TAG, "Import directory already exists");
} else {
if (AppConfig.DEBUG)
Log.d(TAG, "Creating import directory");
importDir.mkdir();
}
} else {
if (AppConfig.DEBUG)
Log.d(TAG, "Could not access external storage.");
}
}
@Override
public void onLowMemory() {
super.onLowMemory();
Log.w(TAG, "Received onLowOnMemory warning. Cleaning image cache...");
FeedImageLoader.getInstance().wipeImageCache();
}
/**
* Listens for changes in the 'update intervall'-preference and changes the
* alarm if necessary.
*/
@Override
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
String key) {
if (AppConfig.DEBUG)
Log.d(TAG, "Registered change of application preferences");
if (key.equals(PREF_UPDATE_INTERVALL)) {
AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
int hours = Integer.parseInt(sharedPreferences.getString(
PREF_UPDATE_INTERVALL, "0"));
PendingIntent updateIntent = PendingIntent.getBroadcast(this, 0,
new Intent(FeedUpdateReceiver.ACTION_REFRESH_FEEDS), 0);
alarmManager.cancel(updateIntent);
if (hours != 0) {
long newIntervall = TimeUnit.HOURS.toMillis(hours);
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP,
newIntervall, newIntervall, updateIntent);
if (AppConfig.DEBUG)
Log.d(TAG, "Changed alarm to new intervall");
} else {
if (AppConfig.DEBUG)
Log.d(TAG, "Automatic update was deactivated");
}
} else if (key.equals(PREF_DISPLAY_ONLY_EPISODES)) {
if (AppConfig.DEBUG)
Log.d(TAG, "PREF_DISPLAY_ONLY_EPISODES changed");
displayOnlyEpisodes = sharedPreferences.getBoolean(
PREF_DISPLAY_ONLY_EPISODES, false);
} else if (key.equals(PlaybackService.PREF_LAST_PLAYED_ID)) {
if (AppConfig.DEBUG)
Log.d(TAG, "PREF_LAST_PLAYED_ID changed");
long mediaId = sharedPreferences.getLong(
PlaybackService.PREF_AUTODELETE_MEDIA_ID, -1);
if (mediaId != -1) {
FeedManager manager = FeedManager.getInstance();
FeedMedia media = manager.getFeedMedia(mediaId);
if (media != null) {
manager.autoDeleteIfPossible(this, media);
}
}
} else if (key.equals(PlaybackService.PREF_CURRENTLY_PLAYING_MEDIA)) {
long id = sharedPreferences.getLong(
PlaybackService.PREF_CURRENTLY_PLAYING_MEDIA,
PlaybackService.NO_MEDIA_PLAYING);
if (AppConfig.DEBUG)
Log.d(TAG, "Currently playing media set to " + id);
if (id != currentlyPlayingMediaId) {
currentlyPlayingMediaId = id;
}
} else if (key.equals(PREF_THEME)) {
readThemeValue();
}
}
public static float getLogicalDensity() {
return LOGICAL_DENSITY;
}
public boolean displayOnlyEpisodes() {
return displayOnlyEpisodes;
}
public static long getCurrentlyPlayingMediaId() {
return currentlyPlayingMediaId;
}
public boolean isLargeScreen() {
return (getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) == Configuration.SCREENLAYOUT_SIZE_LARGE
|| (getResources().getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) == Configuration.SCREENLAYOUT_SIZE_XLARGE;
}
public static int getThemeResourceId() {
return theme;
}
/** Read value of prefTheme and determine the correct resource id. */
private void readThemeValue() {
SharedPreferences prefs = PreferenceManager
.getDefaultSharedPreferences(this);
int prefTheme = Integer.parseInt(prefs.getString(PREF_THEME, "0"));
switch (prefTheme) {
case 0:
theme = R.style.Theme_AntennaPod_Light;
break;
case 1:
theme = R.style.Theme_AntennaPod_Dark;
break;
}
}
/**
* 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.
*
* @param type
* The name of the folder inside the data folder. May be null
* when accessing the root of the data folder.
* @return The data folder that has been requested or null if the folder
* could not be created.
*/
public static File getDataFolder(Context context, String type) {
SharedPreferences prefs = PreferenceManager
.getDefaultSharedPreferences(context.getApplicationContext());
String strDir = prefs.getString(PREF_DATA_FOLDER, null);
if (strDir == null) {
if (AppConfig.DEBUG)
Log.d(TAG, "Using default data folder");
return context.getExternalFilesDir(type);
} else {
File dataDir = new File(strDir);
if (!dataDir.exists()) {
if (!dataDir.mkdir()) {
Log.w(TAG, "Could not create data folder");
return null;
}
}
if (type == null) {
return dataDir;
} else {
// handle path separators
String[] dirs = type.split("/");
for (int i = 0; i < dirs.length; i++) {
if (dirs.length > 0) {
if (i < dirs.length - 1) {
dataDir = getDataFolder(context, dirs[i]);
if (dataDir == null) {
return null;
}
}
type = dirs[i];
}
}
File typeDir = new File(dataDir, type);
if (!typeDir.exists()) {
if (dataDir.canWrite()) {
if (!typeDir.mkdir()) {
Log.e(TAG, "Could not create data folder named "
+ type);
return null;
}
}
}
return typeDir;
}
}
}
public void setDataFolder(String dir) {
if (AppConfig.DEBUG)
Log.d(TAG, "Result from DirectoryChooser: " + dir);
SharedPreferences prefs = PreferenceManager
.getDefaultSharedPreferences(this);
SharedPreferences.Editor editor = prefs.edit();
editor.putString(PodcastApp.PREF_DATA_FOLDER, dir);
editor.commit();
createImportDirectory();
}
}
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