Eric Kok
5 years ago
1 changed files with 424 additions and 0 deletions
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/* |
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* Copyright 2010-2018 Eric Kok et al. |
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* |
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* Transdroid is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* Transdroid is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with Transdroid. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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package org.transdroid.core.gui.rss; |
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import android.annotation.TargetApi; |
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import android.content.Intent; |
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import android.net.Uri; |
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import android.os.Build; |
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import android.os.Bundle; |
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import android.os.Parcel; |
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import android.support.annotation.NonNull; |
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import android.support.annotation.Nullable; |
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import android.support.design.widget.TabLayout; |
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import android.support.v4.view.PagerAdapter; |
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import android.support.v4.view.ViewPager; |
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import android.support.v7.app.AppCompatActivity; |
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import android.support.v7.widget.Toolbar; |
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import android.text.TextUtils; |
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import android.view.View; |
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import android.view.ViewGroup; |
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import com.nispok.snackbar.Snackbar; |
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import com.nispok.snackbar.SnackbarManager; |
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import com.nispok.snackbar.enums.SnackbarType; |
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import org.androidannotations.annotations.AfterViews; |
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import org.androidannotations.annotations.Background; |
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import org.androidannotations.annotations.Bean; |
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import org.androidannotations.annotations.EActivity; |
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import org.androidannotations.annotations.FragmentById; |
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import org.androidannotations.annotations.InstanceState; |
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import org.androidannotations.annotations.NonConfigurationInstance; |
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import org.androidannotations.annotations.OptionsItem; |
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import org.androidannotations.annotations.UiThread; |
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import org.androidannotations.annotations.ViewById; |
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import org.transdroid.R; |
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import org.transdroid.core.app.settings.ApplicationSettings; |
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import org.transdroid.core.app.settings.RssfeedSetting; |
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import org.transdroid.core.app.settings.ServerSetting; |
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import org.transdroid.core.app.settings.SettingsUtils; |
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import org.transdroid.core.gui.TorrentsActivity_; |
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import org.transdroid.core.gui.lists.LocalTorrent; |
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import org.transdroid.core.gui.log.Log; |
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import org.transdroid.core.gui.navigation.NavigationHelper; |
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import org.transdroid.core.gui.remoterss.RemoteRssFragment; |
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import org.transdroid.core.gui.remoterss.data.RemoteRssChannel; |
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import org.transdroid.core.gui.remoterss.data.RemoteRssItem; |
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import org.transdroid.core.gui.remoterss.data.RemoteRssSupplier; |
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import org.transdroid.core.rssparser.Channel; |
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import org.transdroid.core.rssparser.RssParser; |
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import org.transdroid.core.service.ConnectivityHelper; |
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import org.transdroid.daemon.Daemon; |
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import org.transdroid.daemon.DaemonException; |
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import org.transdroid.daemon.IDaemonAdapter; |
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import org.transdroid.daemon.task.DaemonTaskSuccessResult; |
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import java.util.ArrayList; |
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import java.util.Calendar; |
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import java.util.Collections; |
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import java.util.Comparator; |
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import java.util.Date; |
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import java.util.List; |
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@EActivity(R.layout.activity_rssfeeds) |
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public class RssFeedsActivity extends AppCompatActivity { |
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// Settings and local data
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@Bean |
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protected Log log; |
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@Bean |
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protected ApplicationSettings applicationSettings; |
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protected static final int RSS_FEEDS_LOCAL = 0; |
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protected static final int RSS_FEEDS_REMOTE = 1; |
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@FragmentById(R.id.rssfeeds_fragment) |
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protected RssFeedsFragment fragmentLocalFeeds; |
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@FragmentById(R.id.rssitems_fragment) |
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protected RssItemsFragment fragmentItems; |
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@FragmentById(R.id.remoterss_fragment) |
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protected RemoteRssFragment fragmentRemoteFeeds; |
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@ViewById(R.id.rssfeeds_toolbar) |
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protected Toolbar rssFeedsToolbar; |
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@ViewById(R.id.rssfeeds_tabs) |
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protected TabLayout tabLayout; |
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@ViewById(R.id.rssfeeds_pager) |
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protected ViewPager viewPager; |
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// remote RSS stuff
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@NonConfigurationInstance |
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protected ArrayList<RemoteRssChannel> feeds; |
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@InstanceState |
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protected int selectedFilter; |
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@NonConfigurationInstance |
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protected ArrayList<RemoteRssItem> recentItems; |
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@Bean |
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protected ConnectivityHelper connectivityHelper; |
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protected class LayoutPagerAdapter extends PagerAdapter { |
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boolean hasRemoteRss; |
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String serverName; |
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public LayoutPagerAdapter(boolean hasRemoteRss, String name) { |
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super(); |
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this.hasRemoteRss = hasRemoteRss; |
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this.serverName = (name.length() > 0 ? name : getString(R.string.navigation_rss_tabs_remote)); |
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} |
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@NonNull |
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@Override |
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public Object instantiateItem(@NonNull ViewGroup container, int position) { |
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int resId = 0; |
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if (position == RSS_FEEDS_LOCAL) { |
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resId = R.id.layout_rssfeeds_local; |
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} |
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else if (position == RSS_FEEDS_REMOTE) { |
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resId = R.id.layout_rss_feeds_remote; |
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} |
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return findViewById(resId); |
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} |
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@Override |
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public int getCount() { |
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return (this.hasRemoteRss ? 2 : 1); |
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} |
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@Override |
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public boolean isViewFromObject(@NonNull View view, @NonNull Object o) { |
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return (view == o); |
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} |
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@Override |
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public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) { |
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container.removeView((View) object); |
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} |
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@Nullable |
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@Override |
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public CharSequence getPageTitle(int position) { |
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switch (position) { |
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case RSS_FEEDS_LOCAL: |
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return getString(R.string.navigation_rss_tabs_local); |
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case RSS_FEEDS_REMOTE: |
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return this.serverName; |
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} |
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return super.getPageTitle(position); |
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} |
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} |
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@Override |
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public void onCreate(Bundle savedInstanceState) { |
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SettingsUtils.applyDayNightTheme(this); |
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super.onCreate(savedInstanceState); |
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} |
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@AfterViews |
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protected void init() { |
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setSupportActionBar(rssFeedsToolbar); |
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getSupportActionBar().setTitle(NavigationHelper.buildCondensedFontString(getString(R.string.rss_feeds))); |
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getSupportActionBar().setDisplayHomeAsUpEnabled(true); |
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IDaemonAdapter currentConnection = this.getCurrentConnection(); |
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boolean hasRemoteRss = Daemon.supportsRemoteRssManagement(currentConnection.getType()); |
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PagerAdapter pagerAdapter = new LayoutPagerAdapter(hasRemoteRss, currentConnection.getSettings().getName()); |
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viewPager.setAdapter(pagerAdapter); |
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tabLayout.setupWithViewPager(viewPager); |
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viewPager.setCurrentItem(0); |
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if (!hasRemoteRss) { |
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tabLayout.setVisibility(View.GONE); |
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} |
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} |
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@TargetApi(Build.VERSION_CODES.HONEYCOMB) |
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@OptionsItem(android.R.id.home) |
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protected void navigateUp() { |
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TorrentsActivity_.intent(this).flags(Intent.FLAG_ACTIVITY_CLEAR_TOP).start(); |
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} |
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/** |
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* Reload the RSS feed settings and start loading all the feeds. To be called from contained fragments. |
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*/ |
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public void refreshFeeds() { |
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List<RssfeedLoader> loaders = new ArrayList<>(); |
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// For each RSS feed setting the user created, start a loader that retrieved the RSS feed (via a background
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// thread) and, on success, determines the new items in the feed
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for (RssfeedSetting setting : applicationSettings.getRssfeedSettings()) { |
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RssfeedLoader loader = new RssfeedLoader(setting); |
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loaders.add(loader); |
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loadRssfeed(loader); |
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} |
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fragmentLocalFeeds.update(loaders); |
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} |
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/** |
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* Performs the loading of the RSS feed content and parsing of items, in a background thread. |
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* @param loader The RSS feed loader for which to retrieve the contents |
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*/ |
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@Background |
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protected void loadRssfeed(RssfeedLoader loader) { |
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try { |
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// Load and parse the feed
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RssParser parser = |
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new RssParser(loader.getSetting().getUrl(), loader.getSetting().getExcludeFilter(), loader.getSetting().getIncludeFilter()); |
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parser.parse(); |
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handleRssfeedResult(loader, parser.getChannel(), false); |
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} catch (Exception e) { |
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// Catch any error that may occurred and register this failure
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handleRssfeedResult(loader, null, true); |
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log.i(this, "RSS feed " + loader.getSetting().getUrl() + " error: " + e.toString()); |
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} |
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} |
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/** |
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* Stores the retrieved RSS feed content channel into the loader and updates the RSS feed in the feeds list fragment. |
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* @param loader The RSS feed loader that was executed |
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* @param channel The data that was retrieved, or null if it could not be parsed |
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* @param hasError True if a connection error occurred in the loading of the feed; false otherwise |
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*/ |
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@UiThread |
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protected void handleRssfeedResult(RssfeedLoader loader, Channel channel, boolean hasError) { |
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loader.update(channel, hasError); |
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fragmentLocalFeeds.notifyDataSetChanged(); |
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} |
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/** |
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* Opens an RSS feed in the dedicated fragment (if there was space in the UI) or a new {@link RssItemsActivity}. Optionally this also registers in |
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* the user preferences that the feed was now viewed, so that in the future the new items can be properly marked. |
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* @param loader The RSS feed loader (with settings and the loaded content channel) to show |
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* @param markAsViewedNow True if the user settings should be updated to reflect this feed's last viewed date; false otherwise |
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*/ |
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public void openRssfeed(RssfeedLoader loader, boolean markAsViewedNow) { |
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// The RSS feed content was loaded and can now be shown in the dedicated fragment or a new activity
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if (fragmentItems != null && fragmentItems.isAdded()) { |
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// If desired, update the lastViewedDate and lastViewedItemUrl of this feed in the user setting; this won't
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// be loaded until the RSS feeds screen in opened again.
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if (!loader.hasError() && loader.getChannel() != null && markAsViewedNow) { |
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String lastViewedItemUrl = null; |
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if (loader.getChannel().getItems() != null && loader.getChannel().getItems().size() > 0) { |
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lastViewedItemUrl = loader.getChannel().getItems().get(0).getTheLink(); |
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} |
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applicationSettings.setRssfeedLastViewer(loader.getSetting().getOrder(), new Date(), lastViewedItemUrl); |
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} |
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fragmentItems.update(loader.getChannel(), loader.hasError(), loader.getSetting().requiresExternalAuthentication()); |
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} else { |
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// Error message or not yet loaded? Show a toast message instead of opening the items activity
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if (loader.hasError()) { |
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SnackbarManager.show(Snackbar.with(this).text(R.string.rss_error).colorResource(R.color.red)); |
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return; |
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} |
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if (loader.getChannel() == null || loader.getChannel().getItems().size() == 0) { |
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SnackbarManager.show(Snackbar.with(this).text(R.string.rss_notloaded).colorResource(R.color.red)); |
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return; |
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} |
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// If desired, update the lastViewedDate and lastViewedItemUrl of this feed in the user setting; this won't
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// be loaded until the RSS feeds screen in opened again
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if (markAsViewedNow) { |
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String lastViewedItemUrl = null; |
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if (loader.getChannel().getItems() != null && loader.getChannel().getItems().size() > 0) { |
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lastViewedItemUrl = loader.getChannel().getItems().get(0).getTheLink(); |
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} |
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applicationSettings.setRssfeedLastViewer(loader.getSetting().getOrder(), new Date(), lastViewedItemUrl); |
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} |
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String name = loader.getChannel().getTitle(); |
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if (TextUtils.isEmpty(name)) { |
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name = loader.getSetting().getName(); |
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} |
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if (TextUtils.isEmpty(name) && !TextUtils.isEmpty(loader.getSetting().getUrl())) { |
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name = Uri.parse(loader.getSetting().getUrl()).getHost(); |
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} |
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RssItemsActivity_.intent(this).rssfeed(loader.getChannel()).rssfeedName(name) |
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.requiresExternalAuthentication(loader.getSetting().requiresExternalAuthentication()).start(); |
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} |
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} |
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protected IDaemonAdapter getCurrentConnection() { |
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ServerSetting lastUsed = applicationSettings.getLastUsedServer(); |
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return lastUsed.createServerAdapter(connectivityHelper.getConnectedNetworkName(), this); |
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} |
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// @Background
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public void refreshRemoteFeeds() { |
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// Connect to the last used server
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IDaemonAdapter currentConnection = this.getCurrentConnection(); |
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// remote rss not supported for this connection type
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if (currentConnection instanceof RemoteRssSupplier == false) { |
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return; |
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} |
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try { |
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feeds = ((RemoteRssSupplier) (currentConnection)).getRemoteRssChannels(log); |
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// By default it displays the latest items within the last month.
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recentItems = new ArrayList<>(); |
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Calendar calendar = Calendar.getInstance(); |
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calendar.add(Calendar.MONTH, -1); |
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Date oneMonthAgo = calendar.getTime(); |
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for (RemoteRssChannel feed : feeds) { |
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for (RemoteRssItem item : feed.getItems()) { |
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if (item.getTimestamp().after(oneMonthAgo)) { |
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recentItems.add(item); |
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} |
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} |
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} |
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// Sort by -newest
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Collections.sort(recentItems, new Comparator<RemoteRssItem>() { |
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@Override |
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public int compare(RemoteRssItem lhs, RemoteRssItem rhs) { |
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return rhs.getTimestamp().compareTo(lhs.getTimestamp()); |
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} |
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}); |
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} catch (DaemonException e) { |
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onCommunicationError(e); |
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return; |
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} |
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// @UIThread
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fragmentRemoteFeeds.updateRemoteItems( |
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selectedFilter == 0 ? recentItems : feeds.get(selectedFilter -1).getItems(), |
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false /* allow android to restore scroll position */ ); |
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showRemoteChannelFilters(); |
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} |
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@UiThread |
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protected void onCommunicationError(DaemonException daemonException) { |
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//noinspection ThrowableResultOfMethodCallIgnored
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log.i(this, daemonException.toString()); |
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String error = getString(LocalTorrent.getResourceForDaemonException(daemonException)); |
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SnackbarManager.show(Snackbar.with(this).text(error).colorResource(R.color.red).type(SnackbarType.MULTI_LINE)); |
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} |
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public void onFeedSelected(int position) { |
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selectedFilter = position; |
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if (position == 0) { |
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fragmentRemoteFeeds.updateRemoteItems(recentItems, true); |
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} |
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else { |
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RemoteRssChannel channel = feeds.get(selectedFilter -1); |
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fragmentRemoteFeeds.updateRemoteItems(channel.getItems(), true); |
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} |
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} |
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/** |
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* Download the item in a background thread and display success/fail accordingly. |
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*/ |
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@Background |
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public void downloadRemoteRssItem(RemoteRssItem item) { |
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final RemoteRssSupplier supplier = (RemoteRssSupplier) this.getCurrentConnection(); |
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try { |
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RemoteRssChannel channel = feeds.get(selectedFilter); |
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supplier.downloadRemoteRssItem(log, item, channel); |
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onTaskSucceeded(null, getString(R.string.result_added, item.getTitle())); |
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} catch (DaemonException e) { |
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onTaskFailed(getString(LocalTorrent.getResourceForDaemonException(e))); |
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} |
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} |
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@UiThread |
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protected void onTaskSucceeded(DaemonTaskSuccessResult result, String successMessage) { |
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SnackbarManager.show(Snackbar.with(this).text(successMessage)); |
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} |
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@UiThread |
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protected void onTaskFailed(String message) { |
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SnackbarManager.show(Snackbar.with(this) |
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.text(message) |
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.colorResource(R.color.red) |
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.type(SnackbarType.MULTI_LINE) |
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); |
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} |
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|
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|
private void showRemoteChannelFilters() { |
||||||
|
List<RemoteRssChannel> feedLabels = new ArrayList<>(feeds.size() +1); |
||||||
|
feedLabels.add(new RemoteRssChannel() { |
||||||
|
@Override |
||||||
|
public String getName() { |
||||||
|
return getString(R.string.remoterss_filter_allrecent); |
||||||
|
} |
||||||
|
|
||||||
|
@Override |
||||||
|
public void writeToParcel(Parcel dest, int flags) { |
||||||
|
} |
||||||
|
}); |
||||||
|
feedLabels.addAll(feeds); |
||||||
|
|
||||||
|
fragmentRemoteFeeds.updateChannelFilters(feedLabels); |
||||||
|
} |
||||||
|
} |
||||||
Loading…
Reference in new issue