Created Activity for displaying information about a channel

5 files changed, 247 insertions, 0 deletions

diff --git a/src/de/danoeh/antennapod/activity/MiroGuideChannelViewActivity.java b/src/de/danoeh/antennapod/activity/MiroGuideChannelViewActivity.java
new file mode 100644
index 000000000..102dd92ca
--- /dev/null
+++ b/src/de/danoeh/antennapod/activity/MiroGuideChannelViewActivity.java
@@ -0,0 +1,149 @@
+package de.danoeh.antennapod.activity;
+
+import android.annotation.SuppressLint;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+import android.widget.ProgressBar;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+
+import com.actionbarsherlock.app.SherlockActivity;
+import com.actionbarsherlock.view.Menu;
+import com.actionbarsherlock.view.MenuInflater;
+import com.actionbarsherlock.view.MenuItem;
+
+import de.danoeh.antennapod.AppConfig;
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.adapter.MiroGuideItemlistAdapter;
+import de.danoeh.antennapod.feed.FeedManager;
+import de.danoeh.antennapod.miroguide.con.MiroGuideException;
+import de.danoeh.antennapod.miroguide.con.MiroGuideService;
+import de.danoeh.antennapod.miroguide.model.MiroChannel;
+import de.danoeh.antennapod.miroguide.model.MiroItem;
+import de.danoeh.antennapod.storage.DownloadRequester;
+
+public class MiroGuideChannelViewActivity extends SherlockActivity {
+	private static final String TAG = "MiroGuideChannelViewActivity";
+
+	public static final String EXTRA_CHANNEL_ID = "id";
+	public static final String EXTRA_CHANNEL_URL = "url";
+
+	private RelativeLayout layoutContent;
+	private ProgressBar progLoading;
+	private TextView txtvTitle;
+	private TextView txtVDescription;
+	private ListView listEntries;
+
+	private long channelId;
+	private String channelUrl;
+	private MiroChannel channel;
+
+	@Override
+	protected void onPause() {
+		super.onPause();
+		channelLoader.cancel(true);
+	}
+
+	@SuppressLint("NewApi")
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+		setContentView(R.layout.miroguide_channelview);
+
+		layoutContent = (RelativeLayout) findViewById(R.id.layout_content);
+		progLoading = (ProgressBar) findViewById(R.id.progLoading);
+		txtvTitle = (TextView) findViewById(R.id.txtvTitle);
+		txtVDescription = (TextView) findViewById(R.id.txtvDescription);
+		listEntries = (ListView) findViewById(R.id.itemlist);
+
+		channelId = getIntent().getLongExtra(EXTRA_CHANNEL_ID, -1);
+		channelUrl = getIntent().getStringExtra(EXTRA_CHANNEL_URL);
+
+		if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
+			channelLoader.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+		} else {
+			channelLoader.execute();
+		}
+
+	}
+
+	private AsyncTask<Void, Void, Void> channelLoader = new AsyncTask<Void, Void, Void>() {
+		private static final String TAG = "ChannelLoader";
+		private Exception exception;
+
+		@Override
+		protected Void doInBackground(Void... params) {
+			if (AppConfig.DEBUG)
+				Log.d(TAG, "Starting background task");
+			MiroGuideService service = new MiroGuideService();
+			try {
+				channel = service.getChannel(channelId);
+			} catch (MiroGuideException e) {
+				e.printStackTrace();
+				exception = e;
+			}
+			return null;
+		}
+
+		@Override
+		protected void onPostExecute(Void result) {
+			if (AppConfig.DEBUG)
+				Log.d(TAG, "Loading finished");
+			if (exception == null) {
+				txtvTitle.setText(channel.getName());
+				txtVDescription.setText(channel.getDescription());
+				String[] entryNames = new String[channel.getItems().size()];
+				for (int i = 0; i < channel.getItems().size(); i++) {
+					entryNames[i] = channel.getItems().get(i).getName();
+				}
+				MiroGuideItemlistAdapter listAdapter = new MiroGuideItemlistAdapter(
+						MiroGuideChannelViewActivity.this, 0,
+						channel.getItems());
+				listEntries.setAdapter(listAdapter);
+				progLoading.setVisibility(View.GONE);
+				layoutContent.setVisibility(View.VISIBLE);
+				invalidateOptionsMenu();
+			} else {
+				finish();
+			}
+		}
+
+	};
+
+	@Override
+	public boolean onCreateOptionsMenu(Menu menu) {
+		MenuInflater inflater = new MenuInflater(this);
+		inflater.inflate(R.menu.channelview, menu);
+		return true;
+	}
+
+	@Override
+	public boolean onPrepareOptionsMenu(Menu menu) {
+		boolean channelLoaded = channel != null;
+		boolean notAdded = channelLoaded
+				&& !((FeedManager.getInstance().feedExists(channel
+						.getDownloadUrl())) || (DownloadRequester.getInstance()
+						.isDownloadingFile(channel.getDownloadUrl())));
+		menu.findItem(R.id.add_feed).setVisible(notAdded);
+		menu.findItem(R.id.visit_website_item).setVisible(
+				channelLoaded && channel.getWebsiteUrl() != null);
+		return true;
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch (item.getItemId()) {
+		case android.R.id.home:
+			finish();
+			return true;
+		default:
+			return false;
+		}
+	}
+
+}
diff --git a/src/de/danoeh/antennapod/adapter/MiroGuideItemlistAdapter.java b/src/de/danoeh/antennapod/adapter/MiroGuideItemlistAdapter.java
new file mode 100644
index 000000000..d0d3d43a9
--- /dev/null
+++ b/src/de/danoeh/antennapod/adapter/MiroGuideItemlistAdapter.java
@@ -0,0 +1,60 @@
+package de.danoeh.antennapod.adapter;
+
+import java.text.DateFormat;
+import java.util.List;
+
+import android.content.Context;
+import android.text.format.DateUtils;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.TextView;
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.miroguide.model.MiroItem;
+
+public class MiroGuideItemlistAdapter extends ArrayAdapter<MiroItem> {
+
+	public MiroGuideItemlistAdapter(Context context, int textViewResourceId,
+			List<MiroItem> objects) {
+		super(context, textViewResourceId, objects);
+	}
+
+	@Override
+	public View getView(int position, View convertView, ViewGroup parent) {
+		Holder holder;
+		MiroItem item = getItem(position);
+
+		// Inflate Layout
+		if (convertView == null) {
+			holder = new Holder();
+			LayoutInflater inflater = (LayoutInflater) getContext()
+					.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+
+			convertView = inflater.inflate(R.layout.miroguide_itemlist_item,
+					null);
+			holder.title = (TextView) convertView.findViewById(R.id.txtvTitle);
+			holder.date = (TextView) convertView.findViewById(R.id.txtvDate);
+			convertView.setTag(holder);
+		} else {
+			holder = (Holder) convertView.getTag();
+		}
+
+		holder.title.setText(item.getName());
+		if (item.getDate() != null) {
+			holder.date.setText(DateUtils.formatSameDayTime(item.getDate()
+					.getTime(), System.currentTimeMillis(), DateFormat.SHORT,
+					DateFormat.SHORT));
+			holder.date.setVisibility(View.VISIBLE);
+		} else {
+			holder.date.setVisibility(View.GONE);
+		}
+		return convertView;
+	}
+
+	static class Holder {
+		TextView title;
+		TextView date;
+	}
+
+}
diff --git a/src/de/danoeh/antennapod/feed/FeedManager.java b/src/de/danoeh/antennapod/feed/FeedManager.java
index 5c7041a8d..853890308 100644
--- a/src/de/danoeh/antennapod/feed/FeedManager.java
+++ b/src/de/danoeh/antennapod/feed/FeedManager.java
@@ -448,6 +448,16 @@ public class FeedManager {
 		}
 		return null;
 	}
+	
+	/** Returns true if a feed with the given download link is already in the feedlist. */
+	public boolean feedExists(String downloadUrl) {
+		for (Feed feed : feeds) {
+			if (feed.getDownload_url().equals(downloadUrl)) {
+				return true;
+			}
+		}
+		return false;
+	}
 
 	/** Get a FeedItem by its identifying value. */
 	private FeedItem searchFeedItemByIdentifyingValue(Feed feed,
diff --git a/src/de/danoeh/antennapod/fragment/MiroGuideChannellistFragment.java b/src/de/danoeh/antennapod/fragment/MiroGuideChannellistFragment.java
index 76ecb1aa1..bb9643829 100644
--- a/src/de/danoeh/antennapod/fragment/MiroGuideChannellistFragment.java
+++ b/src/de/danoeh/antennapod/fragment/MiroGuideChannellistFragment.java
@@ -7,6 +7,7 @@ import android.annotation.SuppressLint;
 import android.app.AlertDialog;
 import android.content.Context;
 import android.content.DialogInterface;
+import android.content.Intent;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.util.Log;
@@ -14,11 +15,13 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.AbsListView;
 import android.widget.AbsListView.OnScrollListener;
+import android.widget.ListView;
 
 import com.actionbarsherlock.app.SherlockListFragment;
 
 import de.danoeh.antennapod.AppConfig;
 import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.activity.MiroGuideChannelViewActivity;
 import de.danoeh.antennapod.adapter.MiroGuideChannelListAdapter;
 import de.danoeh.antennapod.asynctask.FeedImageLoader;
 import de.danoeh.antennapod.miroguide.con.MiroGuideException;
@@ -153,6 +156,21 @@ public class MiroGuideChannellistFragment extends SherlockListFragment {
 		});
 	}
 
+	@Override
+	public void onListItemClick(ListView l, View v, int position, long id) {
+		super.onListItemClick(l, v, position, id);
+		if (listAdapter != null) {
+			MiroChannel selection = listAdapter.getItem(position);
+			Intent launchIntent = new Intent(getActivity(),
+					MiroGuideChannelViewActivity.class);
+			launchIntent.putExtra(MiroGuideChannelViewActivity.EXTRA_CHANNEL_ID,
+					selection.getId());
+			launchIntent.putExtra(MiroGuideChannelViewActivity.EXTRA_CHANNEL_URL,
+					selection.getDownloadUrl());
+			startActivity(launchIntent);
+		}
+	}
+
 	@SuppressLint("NewApi")
 	private void loadChannels() {
 		if (!isLoadingChannels) {
diff --git a/src/de/danoeh/antennapod/storage/DownloadRequester.java b/src/de/danoeh/antennapod/storage/DownloadRequester.java
index 90c481ebb..90891e6a5 100644
--- a/src/de/danoeh/antennapod/storage/DownloadRequester.java
+++ b/src/de/danoeh/antennapod/storage/DownloadRequester.java
@@ -180,6 +180,16 @@ public class DownloadRequester {// TODO handle externalstorage missing
 		}
 		return false;
 	}
+	
+	/** Checks if feedfile with the given download url is in the downloads list */
+	public boolean isDownloadingFile(String downloadUrl) {
+		for (FeedFile f : downloads) {
+			if (f.getDownload_url().equals(downloadUrl)) {
+				return true;
+			}
+		}
+		return false;
+	}
 
 	public boolean hasNoDownloads() {
 		return downloads.isEmpty();