490 lines
13 KiB
Java
490 lines
13 KiB
Java
package org.fox.ttrss.offline;
|
|
|
|
import java.lang.reflect.Type;
|
|
import java.util.HashMap;
|
|
import java.util.List;
|
|
|
|
import org.fox.ttrss.ApiRequest;
|
|
import org.fox.ttrss.OnlineActivity;
|
|
import org.fox.ttrss.R;
|
|
import org.fox.ttrss.types.Article;
|
|
import org.fox.ttrss.types.Feed;
|
|
import org.fox.ttrss.types.FeedCategory;
|
|
import org.fox.ttrss.util.DatabaseHelper;
|
|
import org.fox.ttrss.util.ImageCacheService;
|
|
import org.jsoup.Jsoup;
|
|
import org.jsoup.nodes.Document;
|
|
import org.jsoup.nodes.Element;
|
|
import org.jsoup.select.Elements;
|
|
|
|
import android.app.ActivityManager;
|
|
import android.app.ActivityManager.RunningServiceInfo;
|
|
import android.app.Notification;
|
|
import android.app.NotificationManager;
|
|
import android.app.PendingIntent;
|
|
import android.app.Service;
|
|
import android.content.Context;
|
|
import android.content.Intent;
|
|
import android.content.SharedPreferences;
|
|
import android.database.sqlite.SQLiteDatabase;
|
|
import android.database.sqlite.SQLiteStatement;
|
|
import android.os.Binder;
|
|
import android.os.IBinder;
|
|
import android.preference.PreferenceManager;
|
|
import android.provider.BaseColumns;
|
|
import android.util.Log;
|
|
|
|
import com.google.gson.Gson;
|
|
import com.google.gson.JsonElement;
|
|
import com.google.gson.reflect.TypeToken;
|
|
|
|
public class OfflineDownloadService extends Service {
|
|
|
|
private final String TAG = this.getClass().getSimpleName();
|
|
|
|
public static final int NOTIFY_DOWNLOADING = 1;
|
|
public static final String INTENT_ACTION_SUCCESS = "org.fox.ttrss.intent.action.DownloadComplete";
|
|
public static final String INTENT_ACTION_CANCEL = "org.fox.ttrss.intent.action.Cancel";
|
|
|
|
private static final int OFFLINE_SYNC_SEQ = 50;
|
|
private static final int OFFLINE_SYNC_MAX = OFFLINE_SYNC_SEQ * 10;
|
|
|
|
private SQLiteDatabase m_writableDb;
|
|
private SQLiteDatabase m_readableDb;
|
|
private int m_articleOffset = 0;
|
|
private String m_sessionId;
|
|
private NotificationManager m_nmgr;
|
|
|
|
private boolean m_downloadInProgress = false;
|
|
private boolean m_downloadImages = false;
|
|
private int m_syncMax;
|
|
private SharedPreferences m_prefs;
|
|
private boolean m_canProceed = true;
|
|
|
|
private final IBinder m_binder = new LocalBinder();
|
|
|
|
public class LocalBinder extends Binder {
|
|
OfflineDownloadService getService() {
|
|
return OfflineDownloadService.this;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public IBinder onBind(Intent intent) {
|
|
return m_binder;
|
|
}
|
|
|
|
@Override
|
|
public void onCreate() {
|
|
super.onCreate();
|
|
m_nmgr = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
|
|
m_prefs = PreferenceManager
|
|
.getDefaultSharedPreferences(getApplicationContext());
|
|
|
|
m_downloadImages = m_prefs.getBoolean("offline_image_cache_enabled", false);
|
|
m_syncMax = Integer.parseInt(m_prefs.getString("offline_sync_max", String.valueOf(OFFLINE_SYNC_MAX)));
|
|
|
|
initDatabase();
|
|
}
|
|
|
|
@SuppressWarnings("deprecation")
|
|
private void updateNotification(String msg) {
|
|
Notification notification = new Notification(R.drawable.icon,
|
|
getString(R.string.notify_downloading_title), System.currentTimeMillis());
|
|
|
|
Intent intent = new Intent(this, OnlineActivity.class);
|
|
intent.setAction(INTENT_ACTION_CANCEL);
|
|
|
|
PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
|
|
intent, 0);
|
|
|
|
notification.flags |= Notification.FLAG_ONGOING_EVENT;
|
|
notification.flags |= Notification.FLAG_ONLY_ALERT_ONCE;
|
|
|
|
notification.setLatestEventInfo(this, getString(R.string.notify_downloading_title), msg, contentIntent);
|
|
|
|
m_nmgr.notify(NOTIFY_DOWNLOADING, notification);
|
|
}
|
|
|
|
private void updateNotification(int msgResId) {
|
|
updateNotification(getString(msgResId));
|
|
}
|
|
|
|
private void downloadFailed() {
|
|
m_readableDb.close();
|
|
m_writableDb.close();
|
|
|
|
m_nmgr.cancel(NOTIFY_DOWNLOADING);
|
|
|
|
// TODO send notification to activity?
|
|
|
|
m_downloadInProgress = false;
|
|
stopSelf();
|
|
}
|
|
|
|
private boolean isCacheServiceRunning() {
|
|
ActivityManager manager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
|
|
for (RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
|
|
if ("org.fox.ttrss.ImageCacheService".equals(service.service.getClassName())) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public void downloadComplete() {
|
|
m_downloadInProgress = false;
|
|
|
|
// if cache service is running, it will send a finished intent on its own
|
|
if (!isCacheServiceRunning()) {
|
|
m_nmgr.cancel(NOTIFY_DOWNLOADING);
|
|
|
|
Intent intent = new Intent();
|
|
intent.setAction(INTENT_ACTION_SUCCESS);
|
|
intent.addCategory(Intent.CATEGORY_DEFAULT);
|
|
sendBroadcast(intent);
|
|
} else {
|
|
updateNotification(getString(R.string.notify_downloading_images, 0));
|
|
}
|
|
|
|
m_readableDb.close();
|
|
m_writableDb.close();
|
|
|
|
stopSelf();
|
|
}
|
|
|
|
private void initDatabase() {
|
|
DatabaseHelper dh = new DatabaseHelper(getApplicationContext());
|
|
m_writableDb = dh.getWritableDatabase();
|
|
m_readableDb = dh.getReadableDatabase();
|
|
}
|
|
|
|
/* private synchronized SQLiteDatabase getReadableDb() {
|
|
return m_readableDb;
|
|
} */
|
|
|
|
private synchronized SQLiteDatabase getWritableDb() {
|
|
return m_writableDb;
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
private void downloadArticles() {
|
|
Log.d(TAG, "offline: downloading articles... offset=" + m_articleOffset);
|
|
|
|
updateNotification(getString(R.string.notify_downloading_articles, m_articleOffset));
|
|
|
|
OfflineArticlesRequest req = new OfflineArticlesRequest(this);
|
|
|
|
@SuppressWarnings("serial")
|
|
HashMap<String,String> map = new HashMap<String,String>() {
|
|
{
|
|
put("op", "getHeadlines");
|
|
put("sid", m_sessionId);
|
|
put("feed_id", "-4");
|
|
put("view_mode", "unread");
|
|
put("show_content", "true");
|
|
put("skip", String.valueOf(m_articleOffset));
|
|
put("limit", String.valueOf(OFFLINE_SYNC_SEQ));
|
|
}
|
|
};
|
|
|
|
req.execute(map);
|
|
}
|
|
|
|
private void downloadFeeds() {
|
|
|
|
updateNotification(R.string.notify_downloading_feeds);
|
|
|
|
getWritableDb().execSQL("DELETE FROM feeds;");
|
|
|
|
ApiRequest req = new ApiRequest(getApplicationContext()) {
|
|
@Override
|
|
protected JsonElement doInBackground(HashMap<String, String>... params) {
|
|
JsonElement content = super.doInBackground(params);
|
|
|
|
if (content != null) {
|
|
|
|
try {
|
|
Type listType = new TypeToken<List<Feed>>() {}.getType();
|
|
List<Feed> feeds = new Gson().fromJson(content, listType);
|
|
|
|
SQLiteStatement stmtInsert = getWritableDb().compileStatement("INSERT INTO feeds " +
|
|
"("+BaseColumns._ID+", title, feed_url, has_icon, cat_id) " +
|
|
"VALUES (?, ?, ?, ?, ?);");
|
|
|
|
for (Feed feed : feeds) {
|
|
stmtInsert.bindLong(1, feed.id);
|
|
stmtInsert.bindString(2, feed.title);
|
|
stmtInsert.bindString(3, feed.feed_url);
|
|
stmtInsert.bindLong(4, feed.has_icon ? 1 : 0);
|
|
stmtInsert.bindLong(5, feed.cat_id);
|
|
|
|
stmtInsert.execute();
|
|
}
|
|
|
|
stmtInsert.close();
|
|
|
|
Log.d(TAG, "offline: done downloading feeds");
|
|
|
|
m_articleOffset = 0;
|
|
|
|
getWritableDb().execSQL("DELETE FROM articles;");
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
updateNotification(R.string.offline_switch_error);
|
|
downloadFailed();
|
|
}
|
|
}
|
|
|
|
return content;
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(JsonElement content) {
|
|
if (content != null) {
|
|
if (m_canProceed) {
|
|
downloadArticles();
|
|
} else {
|
|
downloadFailed();
|
|
}
|
|
} else {
|
|
updateNotification(getErrorMessage());
|
|
downloadFailed();
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
@SuppressWarnings("serial")
|
|
HashMap<String,String> map = new HashMap<String,String>() {
|
|
{
|
|
put("op", "getFeeds");
|
|
put("sid", m_sessionId);
|
|
put("cat_id", "-3");
|
|
put("unread_only", "true");
|
|
}
|
|
};
|
|
|
|
req.execute(map);
|
|
}
|
|
|
|
private void downloadCategories() {
|
|
|
|
updateNotification(R.string.notify_downloading_feeds);
|
|
|
|
getWritableDb().execSQL("DELETE FROM categories;");
|
|
|
|
ApiRequest req = new ApiRequest(getApplicationContext()) {
|
|
protected JsonElement doInBackground(HashMap<String, String>... params) {
|
|
JsonElement content = super.doInBackground(params);
|
|
|
|
if (content != null) {
|
|
try {
|
|
Type listType = new TypeToken<List<FeedCategory>>() {}.getType();
|
|
List<FeedCategory> cats = new Gson().fromJson(content, listType);
|
|
|
|
SQLiteStatement stmtInsert = getWritableDb().compileStatement("INSERT INTO categories " +
|
|
"("+BaseColumns._ID+", title) " +
|
|
"VALUES (?, ?);");
|
|
|
|
for (FeedCategory cat : cats) {
|
|
stmtInsert.bindLong(1, cat.id);
|
|
stmtInsert.bindString(2, cat.title);
|
|
|
|
stmtInsert.execute();
|
|
}
|
|
|
|
stmtInsert.close();
|
|
|
|
Log.d(TAG, "offline: done downloading categories");
|
|
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
updateNotification(R.string.offline_switch_error);
|
|
downloadFailed();
|
|
}
|
|
}
|
|
|
|
return content;
|
|
}
|
|
@Override
|
|
protected void onPostExecute(JsonElement content) {
|
|
if (content != null) {
|
|
if (m_canProceed) {
|
|
downloadFeeds();
|
|
} else {
|
|
downloadFailed();
|
|
}
|
|
} else {
|
|
updateNotification(getErrorMessage());
|
|
downloadFailed();
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
@SuppressWarnings("serial")
|
|
HashMap<String,String> map = new HashMap<String,String>() {
|
|
{
|
|
put("op", "getCategories");
|
|
put("sid", m_sessionId);
|
|
//put("cat_id", "-3");
|
|
put("unread_only", "true");
|
|
}
|
|
};
|
|
|
|
req.execute(map);
|
|
}
|
|
|
|
|
|
@Override
|
|
public void onDestroy() {
|
|
super.onDestroy();
|
|
m_nmgr.cancel(NOTIFY_DOWNLOADING);
|
|
|
|
m_canProceed = false;
|
|
Log.d(TAG, "onDestroy");
|
|
|
|
//m_readableDb.close();
|
|
//m_writableDb.close();
|
|
}
|
|
|
|
public class OfflineArticlesRequest extends ApiRequest {
|
|
List<Article> m_articles;
|
|
|
|
public OfflineArticlesRequest(Context context) {
|
|
super(context);
|
|
}
|
|
|
|
@Override
|
|
protected JsonElement doInBackground(HashMap<String, String>... params) {
|
|
JsonElement content = super.doInBackground(params);
|
|
|
|
if (content != null) {
|
|
|
|
try {
|
|
Type listType = new TypeToken<List<Article>>() {}.getType();
|
|
m_articles = new Gson().fromJson(content, listType);
|
|
|
|
SQLiteStatement stmtInsert = getWritableDb().compileStatement("INSERT INTO articles " +
|
|
"("+BaseColumns._ID+", unread, marked, published, score, updated, is_updated, title, link, feed_id, tags, content, author) " +
|
|
"VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);");
|
|
|
|
for (Article article : m_articles) {
|
|
|
|
String tagsString = "";
|
|
|
|
for (String t : article.tags) {
|
|
tagsString += t + ", ";
|
|
}
|
|
|
|
tagsString = tagsString.replaceAll(", $", "");
|
|
|
|
int index = 1;
|
|
stmtInsert.bindLong(index++, article.id);
|
|
stmtInsert.bindLong(index++, article.unread ? 1 : 0);
|
|
stmtInsert.bindLong(index++, article.marked ? 1 : 0);
|
|
stmtInsert.bindLong(index++, article.published ? 1 : 0);
|
|
stmtInsert.bindLong(index++, article.score);
|
|
stmtInsert.bindLong(index++, article.updated);
|
|
stmtInsert.bindLong(index++, article.is_updated ? 1 : 0);
|
|
stmtInsert.bindString(index++, article.title);
|
|
stmtInsert.bindString(index++, article.link);
|
|
stmtInsert.bindLong(index++, article.feed_id);
|
|
stmtInsert.bindString(index++, tagsString); // comma-separated tags
|
|
stmtInsert.bindString(index++, article.content);
|
|
stmtInsert.bindString(index++, article.author != null ? article.author : "");
|
|
|
|
if (m_downloadImages) {
|
|
Document doc = Jsoup.parse(article.content);
|
|
|
|
if (doc != null) {
|
|
Elements images = doc.select("img");
|
|
|
|
for (Element img : images) {
|
|
String url = img.attr("src");
|
|
|
|
if (url.indexOf("://") != -1) {
|
|
if (!ImageCacheService.isUrlCached(OfflineDownloadService.this, url)) {
|
|
Intent intent = new Intent(OfflineDownloadService.this,
|
|
ImageCacheService.class);
|
|
|
|
intent.putExtra("url", url);
|
|
startService(intent);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
try {
|
|
stmtInsert.execute();
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
|
|
}
|
|
|
|
m_articleOffset += m_articles.size();
|
|
|
|
Log.d(TAG, "offline: received " + m_articles.size() + " articles; canProc=" + m_canProceed);
|
|
|
|
stmtInsert.close();
|
|
|
|
} catch (Exception e) {
|
|
updateNotification(R.string.offline_switch_error);
|
|
Log.d(TAG, "offline: failed: exception when loading articles");
|
|
e.printStackTrace();
|
|
downloadFailed();
|
|
}
|
|
|
|
}
|
|
|
|
return content;
|
|
}
|
|
|
|
@Override
|
|
protected void onPostExecute(JsonElement content) {
|
|
if (content != null) {
|
|
|
|
if (m_canProceed && m_articles != null) {
|
|
if (m_articles.size() == OFFLINE_SYNC_SEQ && m_articleOffset < m_syncMax) {
|
|
downloadArticles();
|
|
} else {
|
|
downloadComplete();
|
|
}
|
|
} else {
|
|
downloadFailed();
|
|
}
|
|
|
|
} else {
|
|
Log.d(TAG, "offline: failed: " + getErrorMessage());
|
|
updateNotification(getErrorMessage());
|
|
downloadFailed();
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onStart(Intent intent, int startId) {
|
|
try {
|
|
if (getWritableDb().isDbLockedByCurrentThread() || getWritableDb().isDbLockedByOtherThreads()) {
|
|
return;
|
|
}
|
|
|
|
m_sessionId = intent.getStringExtra("sessionId");
|
|
|
|
if (!m_downloadInProgress) {
|
|
if (m_downloadImages) ImageCacheService.cleanupCache(this, false);
|
|
|
|
updateNotification(R.string.notify_downloading_init);
|
|
m_downloadInProgress = true;
|
|
|
|
downloadCategories();
|
|
}
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
}
|