1 files changed, 249 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/activity/DefaultOnlineFeedViewActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/DefaultOnlineFeedViewActivity.java
new file mode 100644
index 000000000..d265c05b1
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/activity/DefaultOnlineFeedViewActivity.java
@@ -0,0 +1,249 @@
+package de.danoeh.antennapod.activity;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.support.v4.app.NavUtils;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.ListView;
+import android.widget.Spinner;
+import android.widget.TextView;
+
+import com.squareup.picasso.Picasso;
+
+import org.apache.commons.lang3.StringUtils;
+import org.jsoup.Jsoup;
+import org.jsoup.examples.HtmlToPlainText;
+import org.jsoup.nodes.Document;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+
+import de.danoeh.antennapod.BuildConfig;
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.adapter.FeedItemlistDescriptionAdapter;
+import de.danoeh.antennapod.core.dialog.DownloadRequestErrorDialogCreator;
+import de.danoeh.antennapod.core.feed.EventDistributor;
+import de.danoeh.antennapod.core.feed.Feed;
+import de.danoeh.antennapod.core.feed.FeedItem;
+import de.danoeh.antennapod.core.storage.DBReader;
+import de.danoeh.antennapod.core.storage.DownloadRequestException;
+import de.danoeh.antennapod.core.storage.DownloadRequester;
+
+/**
+ * Default implementation of OnlineFeedViewActivity. Shows the downloaded feed's items with their descriptions,
+ * a subscribe button and a spinner for choosing alternate feed URLs.
+ */
+public class DefaultOnlineFeedViewActivity extends OnlineFeedViewActivity {
+    private static final String TAG = "DefaultOnlineFeedViewActivity";
+
+    private static final int EVENTS = EventDistributor.DOWNLOAD_HANDLED | EventDistributor.DOWNLOAD_QUEUED | EventDistributor.FEED_LIST_UPDATE;
+    private volatile List<Feed> feeds;
+    private Feed feed;
+    private String selectedDownloadUrl;
+
+    private Button subscribeButton;
+
+    @Override
+    protected void onCreate(Bundle arg0) {
+        super.onCreate(arg0);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                Intent destIntent = new Intent(this, MainActivity.class);
+                if (NavUtils.shouldUpRecreateTask(this, destIntent)) {
+                    startActivity(destIntent);
+                } else {
+                    NavUtils.navigateUpFromSameTask(this);
+                }
+                return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+    @Override
+    protected void loadData() {
+        super.loadData();
+        feeds = DBReader.getFeedList(this);
+    }
+
+    @Override
+    protected void beforeShowFeedInformation(Feed feed, Map<String, String> alternateFeedUrls) {
+        super.beforeShowFeedInformation(feed, alternateFeedUrls);
+
+        // remove HTML tags from descriptions
+
+        if (BuildConfig.DEBUG) Log.d(TAG, "Removing HTML from shownotes");
+        if (feed.getItems() != null) {
+            HtmlToPlainText formatter = new HtmlToPlainText();
+            for (FeedItem item : feed.getItems()) {
+                if (item.getDescription() != null) {
+                    Document description = Jsoup.parse(item.getDescription());
+                    item.setDescription(StringUtils.trim(formatter.getPlainText(description)));
+                }
+            }
+        }
+    }
+
+    @Override
+    protected void showFeedInformation(final Feed feed, final Map<String, String> alternateFeedUrls) {
+        super.showFeedInformation(feed, alternateFeedUrls);
+        setContentView(R.layout.listview_activity);
+
+        this.feed = feed;
+        this.selectedDownloadUrl = feed.getDownload_url();
+        EventDistributor.getInstance().register(listener);
+        ListView listView = (ListView) findViewById(R.id.listview);
+        LayoutInflater inflater = (LayoutInflater)
+                getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        View header = inflater.inflate(R.layout.onlinefeedview_header, listView, false);
+        listView.addHeaderView(header);
+
+        listView.setAdapter(new FeedItemlistDescriptionAdapter(this, 0, feed.getItems()));
+
+        ImageView cover = (ImageView) header.findViewById(R.id.imgvCover);
+        TextView title = (TextView) header.findViewById(R.id.txtvTitle);
+        TextView author = (TextView) header.findViewById(R.id.txtvAuthor);
+        TextView description = (TextView) header.findViewById(R.id.txtvDescription);
+        Spinner spAlternateUrls = (Spinner) header.findViewById(R.id.spinnerAlternateUrls);
+
+        subscribeButton = (Button) header.findViewById(R.id.butSubscribe);
+
+        if (feed.getImage() != null && StringUtils.isNoneBlank(feed.getImage().getDownload_url())) {
+            Picasso.with(this)
+                    .load(feed.getImage().getDownload_url())
+                    .fit()
+                    .into(cover);
+        }
+
+        title.setText(feed.getTitle());
+        author.setText(feed.getAuthor());
+        description.setText(feed.getDescription());
+
+        subscribeButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                try {
+                    Feed f = new Feed(selectedDownloadUrl, new Date(), feed.getTitle());
+                    f.setPreferences(feed.getPreferences());
+                    DefaultOnlineFeedViewActivity.this.feed = f;
+
+                    DownloadRequester.getInstance().downloadFeed(
+                            DefaultOnlineFeedViewActivity.this,
+                            f);
+                } catch (DownloadRequestException e) {
+                    e.printStackTrace();
+                    DownloadRequestErrorDialogCreator.newRequestErrorDialog(DefaultOnlineFeedViewActivity.this,
+                            e.getMessage());
+                }
+                setSubscribeButtonState(feed);
+            }
+        });
+
+        if (alternateFeedUrls.isEmpty()) {
+            spAlternateUrls.setVisibility(View.GONE);
+        } else {
+            spAlternateUrls.setVisibility(View.VISIBLE);
+
+            final List<String> alternateUrlsList = new ArrayList<String>();
+            final List<String> alternateUrlsTitleList = new ArrayList<String>();
+
+            alternateUrlsList.add(feed.getDownload_url());
+            alternateUrlsTitleList.add(feed.getTitle());
+
+
+            alternateUrlsList.addAll(alternateFeedUrls.keySet());
+            for (String url : alternateFeedUrls.keySet()) {
+                alternateUrlsTitleList.add(alternateFeedUrls.get(url));
+            }
+            ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, alternateUrlsTitleList);
+            adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+            spAlternateUrls.setAdapter(adapter);
+            spAlternateUrls.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
+                @Override
+                public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+                    selectedDownloadUrl = alternateUrlsList.get(position);
+                }
+
+                @Override
+                public void onNothingSelected(AdapterView<?> parent) {
+
+                }
+            });
+
+
+        }
+        setSubscribeButtonState(feed);
+
+    }
+
+    private boolean feedInFeedlist(Feed feed) {
+        if (feeds == null || feed == null)
+            return false;
+        for (Feed f : feeds) {
+            if (f.getIdentifyingValue().equals(feed.getIdentifyingValue())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private void setSubscribeButtonState(Feed feed) {
+        if (subscribeButton != null && feed != null) {
+            if (DownloadRequester.getInstance().isDownloadingFile(feed.getDownload_url())) {
+                subscribeButton.setEnabled(false);
+                subscribeButton.setText(R.string.downloading_label);
+            } else if (feedInFeedlist(feed)) {
+                subscribeButton.setEnabled(false);
+                subscribeButton.setText(R.string.subscribed_label);
+            } else {
+                subscribeButton.setEnabled(true);
+                subscribeButton.setText(R.string.subscribe_label);
+            }
+        }
+    }
+
+    EventDistributor.EventListener listener = new EventDistributor.EventListener() {
+        @Override
+        public void update(EventDistributor eventDistributor, Integer arg) {
+            if ((arg & EventDistributor.FEED_LIST_UPDATE) != 0) {
+                new AsyncTask<Void, Void, List<Feed>>() {
+                    @Override
+                    protected List<Feed> doInBackground(Void... params) {
+                        return DBReader.getFeedList(DefaultOnlineFeedViewActivity.this);
+                    }
+
+                    @Override
+                    protected void onPostExecute(List<Feed> feeds) {
+                        super.onPostExecute(feeds);
+                        DefaultOnlineFeedViewActivity.this.feeds = feeds;
+                        setSubscribeButtonState(feed);
+                    }
+                }.execute();
+            } else if ((arg & EVENTS) != 0) {
+                setSubscribeButtonState(feed);
+            }
+        }
+    };
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+        EventDistributor.getInstance().unregister(listener);
+    }
+}
+