edu.stanford.mobisocial.dungbeetle.feed.objects.MusicObj.java Source code

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Here is the source code for edu.stanford.mobisocial.dungbeetle.feed.objects.MusicObj.java

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/*
 * Copyright (C) 2011 The Stanford MobiSocial Laboratory
 *
 * This file is part of Musubi, a mobile social network.
 *
 *  This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package edu.stanford.mobisocial.dungbeetle.feed.objects;

import mobisocial.socialkit.Obj;
import mobisocial.socialkit.SignedObj;
import mobisocial.socialkit.musubi.DbObj;

import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.view.Gravity;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import edu.stanford.mobisocial.dungbeetle.R;
import edu.stanford.mobisocial.dungbeetle.feed.iface.Activator;
import edu.stanford.mobisocial.dungbeetle.feed.iface.DbEntryHandler;
import edu.stanford.mobisocial.dungbeetle.feed.iface.FeedRenderer;
import edu.stanford.mobisocial.dungbeetle.model.Contact;
import edu.stanford.mobisocial.dungbeetle.model.DbObject;
import edu.stanford.mobisocial.dungbeetle.util.CommonLayouts;

public class MusicObj extends DbEntryHandler implements FeedRenderer, Activator {

    public static final String TYPE = "music";
    public static final String ARTIST = "a";
    public static final String ALBUM = "l";
    public static final String TRACK = "t";
    public static final String URL = "url";
    public static final String MIME_TYPE = "mimeType";

    @Override
    public String getType() {
        return TYPE;
    }

    public static DbObject from(String action, String number) {
        return new DbObject(TYPE, json(action, number));
    }

    public static DbObject from(String artist, String album, String track) {
        return new DbObject(TYPE, json(artist, album, track));
    }

    public static JSONObject json(String artist, String number) {
        JSONObject obj = new JSONObject();
        try {
            obj.put(ARTIST, artist);
            obj.put(TRACK, number);
        } catch (JSONException e) {
        }
        return obj;
    }

    public static JSONObject json(String artist, String album, String track) {
        JSONObject obj = new JSONObject();
        try {
            obj.put(ARTIST, artist);
            obj.put(ALBUM, album);
            obj.put(TRACK, track);
        } catch (JSONException e) {
        }
        return obj;
    }

    public void handleDirectMessage(Context context, Contact from, JSONObject obj) {

    }

    public void render(Context context, ViewGroup frame, Obj obj, boolean allowInteractions) {
        JSONObject content = obj.getJson();
        LinearLayout container = new LinearLayout(context);
        container.setLayoutParams(CommonLayouts.FULL_WIDTH);
        container.setOrientation(LinearLayout.HORIZONTAL);
        container.setGravity(Gravity.CENTER);

        ImageView imageView = new ImageView(context);
        imageView.setImageResource(R.drawable.play);
        imageView.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT,
                LinearLayout.LayoutParams.WRAP_CONTENT));

        TextView valueTV = new TextView(context);
        valueTV.setText(asText(content));
        valueTV.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,
                LinearLayout.LayoutParams.WRAP_CONTENT));
        valueTV.setGravity(Gravity.BOTTOM | Gravity.LEFT);
        valueTV.setPadding(4, 0, 0, 0);

        container.addView(imageView);
        container.addView(valueTV);
        frame.addView(container);
    }

    private String asText(JSONObject obj) {
        StringBuilder status = new StringBuilder();
        String a = obj.optString(ARTIST);
        String b = obj.optString(TRACK);
        if (b == null || b.length() == 0) {
            b = obj.optString(ALBUM);
        }
        status.append(a).append(" - ").append(b);
        return status.toString();
    }

    @Override
    public void activate(Context context, SignedObj obj) {
        JSONObject content = obj.getJson();
        if (content.has(URL)) {
            Intent view = new Intent(Intent.ACTION_VIEW);
            Uri uri = Uri.parse(content.optString(URL));
            String type = "audio/x-mpegurl";
            if (content.has(MIME_TYPE)) {
                type = content.optString(MIME_TYPE);
            }
            view.setDataAndType(uri, type);
            if (!(context instanceof Activity)) {
                view.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            }
            context.startActivity(view);
        }
    }

    @Override
    public boolean doNotification(Context context, DbObj obj) {
        return false;
    }
}