Android Open Source - feedhive Update Service

From Project

Back to project page feedhive.
License

The source code is released under:
SOFTWARE LICENSE ---------------- Copyright (C) 2012, 2013, 2014 Younghyung Cho. <yhcting77@gmail.com> All rights reserved. This file is part of FeedHive This program is licensed under the FreeBSD l...
If you think the Android project feedhive listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

/******************************************************************************
 * Copyright (C) 2012, 2013, 2014//w ww. j  av  a2  s .  co  m
 * Younghyung Cho. <yhcting77@gmail.com>
 * All rights reserved.
 *
 * This file is part of FeedHive
 *
 * This program is licensed under the FreeBSD license
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation
 * are those of the authors and should not be interpreted as representing
 * official policies, either expressed or implied, of the FreeBSD Project.
 *****************************************************************************/

package free.yhc.feeder.appwidget;

import java.util.ArrayList;

import android.app.PendingIntent;
import android.app.Service;
import android.appwidget.AppWidgetManager;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.IBinder;
import android.widget.RemoteViews;
import free.yhc.feeder.AppWidgetCategoryChooserActivity;
import free.yhc.feeder.AppWidgetMenuActivity;
import free.yhc.feeder.AppWidgetUpdateCategoryActivity;
import free.yhc.feeder.R;
import free.yhc.feeder.db.DB;
import free.yhc.feeder.model.Environ;
import free.yhc.feeder.model.Err;
import free.yhc.feeder.model.ThreadEx;
import free.yhc.feeder.model.UnexpectedExceptionHandler;
import free.yhc.feeder.model.Utils;

public class UpdateService extends Service implements
UnexpectedExceptionHandler.TrackedModule {
    private static final boolean DBG = false;
    private static final Utils.Logger P = new Utils.Logger(UpdateService.class);

    private class AppWidgetUpdater extends ThreadEx<Err> {
        private final AppWidgetManager  _mAwm;
        private final int[]             _mAppWidgetIds;
        private final int               _mStartId;

        private Intent
        createBaseIntent(Class<?> rcvrCls, long catid, int awid,
                         String action, boolean newTask) {
            Intent i = new Intent(Environ.getAppContext(), rcvrCls);
            // To tell "This is different intent from previous one!"
            i.setData(Uri.fromParts("content", String.valueOf(awid), null));
            i.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, awid);
            i.putExtra(AppWidgetUtils.MAP_KEY_CATEGORYID, catid);
            if (newTask) {
                i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
            }

            if (null != action)
                i.setAction(action);
            return i;
        }

        AppWidgetUpdater(int[] appWidgetIds, int startId) {
            _mAppWidgetIds = appWidgetIds;
            _mStartId = startId;
            _mAwm = AppWidgetManager.getInstance(getApplicationContext());
        }

        @Override
        protected void
        onPreRun() {
            if (DBG) P.v("Enter");
            for (int awid : _mAppWidgetIds) {
                RemoteViews rv = new RemoteViews(getApplicationContext().getPackageName(),
                                                 R.layout.appwidget_loading);
                if (DBG) P.v("Loading : " + awid);
                _mAwm.updateAppWidget(awid, rv);
            }
        }

        @Override
        protected void
        onPostRun(Err result) {
            if (DBG) P.v("Enter");
            for (int awid : _mAppWidgetIds) {
                RemoteViews rv = null;
                switch (Utils.getPrefAppWidgetButtonLayout()) {
                case RIGHT:
                    rv = new RemoteViews(getApplicationContext().getPackageName(),
                                         R.layout.appwidget_right);
                    break;
                case LEFT:
                    rv = new RemoteViews(getApplicationContext().getPackageName(),
                                         R.layout.appwidget_left);
                    break;
                default:
                    Utils.eAssert(false);
                }

                long catid = AppWidgetUtils.getWidgetCategory(awid);
                if (DB.INVALID_ITEM_ID == catid)
                    continue;

                // List action pending intent
                // ==========================
                Intent intent = createBaseIntent(ViewsService.class,
                                                 catid, awid,
                                                 null, false);
                rv.setRemoteAdapter(R.id.list, intent);

                intent = createBaseIntent(ViewsService.ListPendingIntentReceiver.class,
                                          catid, awid,
                                          AppWidgetUtils.ACTION_LIST_PENDING_INTENT,
                                          false);
                PendingIntent pi = PendingIntent.getBroadcast(Environ.getAppContext(), 0, intent, 0);
                rv.setPendingIntentTemplate(R.id.list, pi);

                // Change category button action pending intent
                // ============================================
                intent = createBaseIntent(AppWidgetCategoryChooserActivity.class,
                                          catid, awid,
                                          AppWidgetUtils.ACTION_CHANGE_CATEGORY_PENDING_INTENT,
                                          true);
                intent.putExtra(AppWidgetCategoryChooserActivity.KEY_CANCELABLE, true);
                pi = PendingIntent.getActivity(Environ.getAppContext(), 0, intent, 0);
                rv.setOnClickPendingIntent(R.id.changecat, pi);

                // Move-to-top button action pending intent
                // ============================================
                intent = createBaseIntent(ViewsService.MoveToTopPendingIntentReceiver.class,
                                          catid, awid,
                                          AppWidgetUtils.ACTION_MOVE_TO_TOP_PENDING_INTENT,
                                          true);
                pi = PendingIntent.getBroadcast(Environ.getAppContext(), 0, intent, 0);
                rv.setOnClickPendingIntent(R.id.move_to_top, pi);

                // update button action pending intent
                // ============================================
                intent = createBaseIntent(AppWidgetUpdateCategoryActivity.class,
                                          catid, awid,
                                          AppWidgetUtils.ACTION_UPDATE_CATEGORY_PENDING_INTENT,
                                          true);
                pi = PendingIntent.getActivity(Environ.getAppContext(), 0, intent, 0);
                rv.setOnClickPendingIntent(R.id.update, pi);

                // more menu button action pending intent
                // ============================================
                intent = createBaseIntent(AppWidgetMenuActivity.class,
                                          catid, awid,
                                          AppWidgetUtils.ACTION_MORE_MENU_PENDING_INTENT,
                                          true);
                pi = PendingIntent.getActivity(Environ.getAppContext(), 0, intent, 0);
                rv.setOnClickPendingIntent(R.id.more_menu, pi);

                if (DBG) P.v("widget : " + awid);
                _mAwm.updateAppWidget(awid, rv);
                // Update ViewsFactory manually!
                ViewsService.updateViewsFactory(awid);
            }
            stopSelf(_mStartId);
        }

        @Override
        protected void
        onCancel() {
        }

        @Override
        protected void
        onCancelled() {
            if (DBG) P.v("Enter");
            stopSelf();
        }

        @Override
        protected Err
        doAsyncTask() {
            if (DBG) P.v("Enter");
            try {
                //Thread.sleep(5000);
            } catch (Exception ignored) { }
            return Err.NO_ERR;
        }
    }


    public static void
    update(Context context, int[] appWidgetIds) {
        if (DBG) P.v("Widget Ids : " + Utils.nrsToNString(appWidgetIds));
        // Build the intent to call the service
        Intent intent = new Intent(Environ.getAppContext(), UpdateService.class);
        intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, appWidgetIds);
        // Update the widgets via the service
        context.startService(intent);
    }

    public static void
    update(Context context, long[] cats) {
        if (DBG) P.v("Category Ids : " + Utils.nrsToNString(cats));
        ArrayList<Integer> al = new ArrayList<Integer>(cats.length);
        for (long cat : cats) {
            int[] awids = AppWidgetUtils.getCategoryWidget(cat);
            for (int awid : awids)
                al.add(awid);
        }

        if (al.size() > 0)
            update(context, Utils.convertArrayIntegerToint(al.toArray(new Integer[0])));
    }

    public static void
    updateAll(Context context) {
        update(context, AppWidgetUtils.getAppWidgetIds());
    }

    @Override
    public String
    dump(UnexpectedExceptionHandler.DumpLevel lv) {
        return "[ .appwidget.UpdateService ]";
    }

    @Override
    public void
    onCreate() {
        super.onCreate();
        UnexpectedExceptionHandler.get().registerModule(this);
    }

    @Override
    public int
    onStartCommand(Intent intent, int flags, int startId) {
        if (DBG) P.v("startId : " + startId);
        // DO NOT anything for additional update request if there is already running update.
        int[] appWidgetIds = intent.getIntArrayExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS);
        new AppWidgetUpdater(appWidgetIds, startId).run();
        return START_NOT_STICKY;
    }

    @Override
    public void
    onDestroy() {
        if (DBG) P.v("Enter");
        UnexpectedExceptionHandler.get().unregisterModule(this);
        //logI("ScheduledUpdateService : onDestroy");
        super.onDestroy();
    }

    @Override
    public IBinder
    onBind(Intent intent) {
        return null;
    }

}
Java Source Code List
