StationDetailsActivity.java

// Copyright 2009 Google Inc.
// Copyright 2011 NPR
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package org.npr.android.news;

import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.os.Handler;
import android.text.Html;
import android.util.Log;
import android.util.TypedValue;
import android.view.View;
import android.view.ViewGroup;
import android.widget.*;
import org.npr.android.util.DisplayUtils;
import org.npr.android.util.FavoriteStationsProvider;
import org.npr.android.util.StationCache;
import org.npr.api.Station;
import org.npr.api.Station.AudioStream;
import org.npr.api.Station.Podcast;

import java.util.ArrayList;

public class StationDetailsActivity extends RootActivity implements
    AdapterView.OnItemClickListener {
  private static final String LOG_TAG = StationDetailsActivity.class.getName();

  private ArrayAdapter<ListItem> listAdapter;

  private String stationId;
  private Station station;
  private boolean isFavorite;
  
  private Handler uiHandler;

  private class ListItem {
    private final AudioStream stream;
    private final Podcast podcast;
    private final String header;

    private ListItem(AudioStream stream) {
      this.stream = stream;
      this.podcast = null;
      this.header = null;
    }

    private ListItem(Podcast podcast) {
      this.stream = null;
      this.podcast = podcast;
      this.header = null;
    }

    private ListItem(String header) {
      this.stream = null;
      this.podcast = null;
      this.header = header;
    }

    public boolean isStream() {
      return stream != null;
    }

    public boolean isPodcast() {
      return podcast != null;
    }

    public boolean isHeader() {
      return header != null;
    }
  }

  private class ListItemAdapter extends ArrayAdapter<ListItem> {
    public ListItemAdapter(Context context, ArrayList<ListItem> listItems) {
      super(context, R.layout.station_details_item, R.id.station_details_title,
          listItems);
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
      convertView = super.getView(position, convertView, parent);
      ListItem listItem = this.getItem(position);
      if (listItem == null) {
        return convertView;
      }

      ImageView favorite = (ImageView) convertView.findViewById(R.id
          .station_details_favorite);
      TextView title = (TextView) convertView.findViewById(R.id
          .station_details_title);
      TextView subtitle = (TextView) convertView.findViewById(R.id
          .station_details_subtitle);
      TextView tagline = (TextView) convertView.findViewById(R.id
          .station_details_tagline);

      if (position == 0) {
        convertView.setEnabled(false);
        convertView.setBackgroundDrawable(getResources().getDrawable(
            R.drawable.station_name_background));
        convertView.getLayoutParams().height = AbsListView.LayoutParams
            .WRAP_CONTENT;
        convertView.setPadding(10, 8, 10, 8);
        favorite.setVisibility(View.GONE);
        title.setText(Html.fromHtml(station.getName()));
        title.setTextColor(getResources().getColor(R.color.black));
        title.setTextSize(TypedValue.COMPLEX_UNIT_SP, 36);
        subtitle.setVisibility(View.VISIBLE);
        subtitle.setText(Html.fromHtml(
            new StringBuilder()
                .append(station.getFrequency())
                .append(" ")
                .append(station.getBand())
                .append(", ")
                .append(station.getMarketCity())
                .toString()
        ));
        subtitle.setTextColor(getResources().getColor(R.color.black));
        subtitle.setTextSize(TypedValue.COMPLEX_UNIT_SP, 18);
        tagline.setVisibility(View.VISIBLE);
        tagline.setText(station.getTagline());
        tagline.setTextColor(getResources().getColor(R.color.black));
        tagline.setTextSize(TypedValue.COMPLEX_UNIT_SP, 12);
      } else if (position == 1) {
        convertView.setEnabled(true);
        convertView.setBackgroundDrawable(getResources().getDrawable(
            R.drawable.station_favorite_background));
        convertView.getLayoutParams().height = AbsListView.LayoutParams
            .WRAP_CONTENT;
        convertView.setPadding(10, 8, 10, 8);
        favorite.setVisibility(View.VISIBLE);
        if (isFavorite) {
          favorite.setImageResource(R.drawable.heart_normal_selected);
          title.setText(getString(R.string.msg_station_remove_favorite));
        } else {
          favorite.setImageResource(R.drawable.heart_normal);
          title.setText(getString(R.string.msg_station_add_favorite));
        }
        title.setTextColor(getResources().getColor(R.color.black));
        title.setTextSize(TypedValue.COMPLEX_UNIT_SP, 15);
        subtitle.setVisibility(View.GONE);
        tagline.setVisibility(View.GONE);
      } else if (listItem.isHeader()) {
        convertView.setEnabled(false);
        convertView.setBackgroundDrawable(getResources().getDrawable(
            R.drawable.top_stories_title_background));
        convertView.getLayoutParams().height =
            DisplayUtils.convertToDIP(getContext(), 20);
        convertView.setPadding(10, 0, 10, 0);
        favorite.setVisibility(View.GONE);
        title.setText(listItem.header);
        title.setTextColor(getResources().getColor(R.color.news_title_text));
        title.setTextSize(TypedValue.COMPLEX_UNIT_SP, 15);
        subtitle.setVisibility(View.GONE);
        tagline.setVisibility(View.GONE);
      } else {
        convertView.setEnabled(true);
        convertView.setBackgroundDrawable(null);
        convertView.getLayoutParams().height = AbsListView.LayoutParams
            .WRAP_CONTENT;
        convertView.setPadding(10, 18, 10, 18);
        favorite.setVisibility(View.GONE);
        if (listItem.isStream()) {
          title.setText(Html.fromHtml(listItem.stream.getTitle()));
        } else if (listItem.isPodcast()) {
          title.setText(Html.fromHtml(listItem.podcast.getTitle()));
        }
        title.setTextColor(getResources().getColor(R.color.black));
        title.setTextSize(TypedValue.COMPLEX_UNIT_SP, 18);
        subtitle.setVisibility(View.GONE);
        tagline.setVisibility(View.GONE);
      }
      return convertView;
    }
  }

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    if (getIntent().hasExtra(Constants.EXTRA_STATION_ID)) {
      stationId = getIntent().getStringExtra(Constants.EXTRA_STATION_ID);
    } else if (getIntent().hasExtra(Constants.EXTRA_ACTIVITY_DATA)) {
      stationId = getIntent().getStringExtra(Constants.EXTRA_ACTIVITY_DATA);
    }

    uiHandler = new Handler();
    
    new Thread() {
      @Override
      public void run()
      {
        setupStation();
      }
    }.start();
  }
  
  private void setupStation()
  {
    station = StationCache.getStation(stationId, this);

    String selection = FavoriteStationsProvider.Items.STATION_ID + " = ?";
    String[] selectionArgs = new String[1];
    selectionArgs[0] = stationId;
    Cursor c = getContentResolver().query(
        FavoriteStationsProvider.CONTENT_URI,
        null, selection, selectionArgs, null);

    isFavorite = c.moveToFirst();
    c.close();

    if (station == null) {
      Log.d(LOG_TAG, "Couldn't get station. Notifying user.");
      Toast.makeText(this, R.string.msg_station_not_found, Toast.LENGTH_SHORT);
      if (isFavorite) {
        getContentResolver().delete(
            FavoriteStationsProvider.CONTENT_URI,
            selection,
            selectionArgs
        );
      }
      finish();
      return;
    }
    
    uiHandler.post(new Runnable() {
      @Override
      public void run() {
        ViewGroup container = (ViewGroup) findViewById(R.id.TitleContent);
        ViewGroup.inflate(StationDetailsActivity.this, R.layout.station_details, container);

        ArrayList<ListItem> listItems = new ArrayList<ListItem>();
        listItems.add(new ListItem(station.getName()));
        listItems.add(new ListItem("Favorites")); // string is a placeholder
        if (station.getAudioStreams().size() > 0) {
          listItems.add(new ListItem(getString(R.string.msg_station_streams) +
              " (" + station.getAudioStreams().size() + ")"));
          for (AudioStream stream : station.getAudioStreams()) {
            if (stream.getTitle() == null) {
              listItems.add(new ListItem(new AudioStream(
                  stream.getUrl(),
                  String.format(getString(R.string.format_default_station_name),
                      station.getName()
                  )
              )));
            } else {
              listItems.add(new ListItem(stream));
            }
          }
        }
        if (station.getPodcasts().size() > 0) {
          listItems.add(new ListItem(getString(R.string.msg_station_podcasts) +
              " (" + station.getPodcasts().size() + ")"));
          for (Podcast podcast : station.getPodcasts()) {
            listItems.add(new ListItem(podcast));
          }
        }

        ListView streamList = (ListView) findViewById(R.id.station_details_list);
        streamList.setOnItemClickListener(StationDetailsActivity.this);

        listAdapter = new ListItemAdapter(StationDetailsActivity.this, listItems);
        streamList.setAdapter(listAdapter);

        bringPlayerNavToFront();
      }
    });
  }

  @Override
  public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
    ListItem li = (ListItem) adapterView.getItemAtPosition(i);
    if (i == 1) {
      isFavorite = !isFavorite;
      if (isFavorite) {
        ContentValues values = new ContentValues();
        values.put(FavoriteStationsProvider.Items.NAME, station.getName());
        values.put(FavoriteStationsProvider.Items.MARKET,
            station.getMarketCity());
        values.put(FavoriteStationsProvider.Items.FREQUENCY,
            station.getFrequency());
        values.put(FavoriteStationsProvider.Items.BAND, station.getBand());
        values.put(FavoriteStationsProvider.Items.STATION_ID, stationId);
        getContentResolver().insert(
            FavoriteStationsProvider.CONTENT_URI,
            values
        );
      } else {
        String selection = FavoriteStationsProvider.Items.STATION_ID + " = ?";
        String[] selectionArgs = new String[1];
        selectionArgs[0] = stationId;
        getContentResolver().delete(
            FavoriteStationsProvider.CONTENT_URI,
            selection,
            selectionArgs
        );
      }
      listAdapter.notifyDataSetChanged();
    } else if (li.isStream()) {
      playSingleNow(Playable.PlayableFactory.fromStationStream(station.getId(),
          li.stream));
    } else if (li.isPodcast()) {
      Intent intent = new Intent(this, PodcastActivity.class).putExtra(
          PodcastActivity.EXTRA_PODCAST_TITLE, li.podcast.getTitle()).putExtra(
          PodcastActivity.EXTRA_PODCAST_URL, li.podcast.getUrl());
      startActivity(intent);
    }
  }

}