Android Open Source - feedhive Views Service






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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...

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Java Source Code

/******************************************************************************
 * Copyright (C) 2012, 2013, 2014//from   w w w .  j  a va  2 s.c om
 * 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 static free.yhc.feeder.model.Utils.eAssert;

import java.util.HashMap;

import android.appwidget.AppWidgetManager;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.preference.PreferenceManager;
import android.widget.RemoteViewsService;
import free.yhc.feeder.R;
import free.yhc.feeder.db.DB;
import free.yhc.feeder.db.DBPolicy;
import free.yhc.feeder.model.Environ;
import free.yhc.feeder.model.UnexpectedExceptionHandler;
import free.yhc.feeder.model.Utils;

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

    private static HashMap<Integer, ViewsFactory> sViewsFactoryMap
        = new HashMap<Integer, ViewsFactory>();
    private static PreferenceChangedListener sSPCListener = null; // Shared Preference Changed Listener

    public static class ListPendingIntentReceiver extends BroadcastReceiver {
        @Override
        public void
        onReceive(Context context, Intent intent) {
            if (DBG) P.v("Enter");
            if (!AppWidgetUtils.ACTION_LIST_PENDING_INTENT.equals(intent.getAction()))
                return; // unexpected intent.

            final int awid = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
                                                AppWidgetUtils.INVALID_APPWIDGETID);
            if (DBG) P.v("pending intent : appwidget id : " + awid);
            if (AppWidgetUtils.INVALID_APPWIDGETID == awid) {
                if (DBG) P.w("Unexpected List Pending Intent...");
                return;
            }

            if (DBG) P.v("List Pending Intent receives");
            final int pos = intent.getIntExtra(AppWidgetUtils.MAP_KEY_POSITION, AppWidgetUtils.INVALID_POSITION);
            final long id = intent.getLongExtra(AppWidgetUtils.MAP_KEY_ITEMID, DB.INVALID_ITEM_ID);
            if (DBG) P.v("pending intent : pos : " + pos + " / id : " + id);
            Environ.getUiHandler().post(new Runnable() {
                @Override
                public void
                run() {
                    ViewsFactory vf = getViewsFactory(awid);
                    if (null == vf) {
                        if (DBG) P.w("Unexpected List Pending Intent : appWidget(" + awid + ")");
                        return;
                    }
                    vf.onItemClick(pos, id);
                }
            });
        }
    }

    public static class MoveToTopPendingIntentReceiver extends BroadcastReceiver {
        @Override
        public void
        onReceive(Context context, Intent intent) {
            if (DBG) P.v("Enter");
            if (!AppWidgetUtils.ACTION_MOVE_TO_TOP_PENDING_INTENT.equals(intent.getAction()))
                return; // unexpected intent.

            final int awid = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
                                                AppWidgetUtils.INVALID_APPWIDGETID);
            if (DBG) P.v("pending intent : appwidget id : " + awid);
            if (AppWidgetUtils.INVALID_APPWIDGETID == awid) {
                if (DBG) P.w("Unexpected AppWidgetId...");
                return;
            }
            sendUpdateAppWidgetRequest(context, new int[] { awid });
        }
    }

    private static class PreferenceChangedListener implements OnSharedPreferenceChangeListener {
        private Utils.PrefLayout mOldLayout;
        PreferenceChangedListener() {
            mOldLayout = Utils.getPrefAppWidgetButtonLayout();
        }

        @Override
        public void
        onSharedPreferenceChanged(SharedPreferences prefs, String key) {
            if (!key.equals(Utils.getResString(R.string.csappwidget_btn_layout)))
                return; // ignore others

            Utils.PrefLayout newLayout = Utils.getPrefAppWidgetButtonLayout();
            if (mOldLayout == newLayout)
                return; // not changed. ignore it.
            mOldLayout = newLayout;
            Context context = Environ.getAppContext();
            int[] awids = AppWidgetManager.getInstance(context)
                                          .getAppWidgetIds(new ComponentName(context, Provider.class));
            sendUpdateAppWidgetRequest(context, awids);
        }
    }

    static void
    sendUpdateAppWidgetRequest(Context context, int[] awids) {
        Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
        intent.setClass(Environ.getAppContext(), Provider.class);
        intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, awids);
        context.sendBroadcast(intent);
    }

    static ViewsFactory
    getViewsFactory(int appWidgetId) {
        ViewsFactory vf = sViewsFactoryMap.get(appWidgetId);
        long catid = AppWidgetUtils.getWidgetCategory(appWidgetId);
        try {
            if (DB.INVALID_ITEM_ID == catid)
                throw new Exception();

            if (!DBPolicy.get().isValidCategoryId(catid)) {
                AppWidgetUtils.deleteWidgetToCategoryMap(appWidgetId);
                throw new Exception();
            }
        } catch (Exception e) {
            if (null != vf)
                sViewsFactoryMap.remove(appWidgetId);
            return null;
        }
        if (null == vf)
            vf = new ViewsFactory(catid, appWidgetId);
        else
            vf.setCategory(catid);
        sViewsFactoryMap.put(appWidgetId, vf);
        return vf;
    }

    static void
    updateViewsFactory(int appWidgetId) {
        // Calling getViewsFactory is enough to update ViewsFactory.
        getViewsFactory(appWidgetId);
    }

    /**
     * Called only once at FeederApp.onCreate
     */
    public static void
    instantiateViewsFactories() {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(Environ.getAppContext());
        sSPCListener = new PreferenceChangedListener();
        // NOTE
        // SharedPreference uses 'WeekHashMap'.
        // So, listener SHOULD have EXPLICIT variable keeping it's reference to prevent it from GC(Garbage Collection).
        prefs.registerOnSharedPreferenceChangeListener(sSPCListener);

        for (int awid : AppWidgetUtils.getAppWidgetIds())
            getViewsFactory(awid);
    }

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

    @Override
    public RemoteViewsFactory
    onGetViewFactory(Intent intent) {
        long catid = intent.getLongExtra(AppWidgetUtils.MAP_KEY_CATEGORYID, DB.INVALID_ITEM_ID);
        int awid = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetUtils.INVALID_APPWIDGETID);
        eAssert(DB.INVALID_ITEM_ID != catid
                && AppWidgetUtils.INVALID_APPWIDGETID != awid);
        if (DBG) P.v("category(" + catid + ")" + " appwidget(" + awid + ")");
        ViewsFactory vf = getViewsFactory(awid);
        if (null == vf) {
            vf = new ViewsFactory(catid, awid);
            sViewsFactoryMap.put(awid, vf);
        }
        return vf;
    }
}




Java Source Code List

free.yhc.feeder.AppWidgetCategoryChooserActivity.java
free.yhc.feeder.AppWidgetMenuActivity.java
free.yhc.feeder.AppWidgetUpdateCategoryActivity.java
free.yhc.feeder.AsyncAdapter.java
free.yhc.feeder.AsyncCursorAdapter.java
free.yhc.feeder.AsyncCursorListAdapter.java
free.yhc.feeder.ChannelListActivity.java
free.yhc.feeder.ChannelListAdapter.java
free.yhc.feeder.ChannelListFragment.java
free.yhc.feeder.ChannelListPagerAdapter.java
free.yhc.feeder.ChannelSettingActivity.java
free.yhc.feeder.DBManagerActivity.java
free.yhc.feeder.DiagAsyncTask.java
free.yhc.feeder.FeederActivity.java
free.yhc.feeder.FeederApp.java
free.yhc.feeder.FeederPreferenceActivity.java
free.yhc.feeder.FragmentPagerAdapterEx.java
free.yhc.feeder.ItemListActivity.java
free.yhc.feeder.ItemListAdapter.java
free.yhc.feeder.ItemViewActivity.java
free.yhc.feeder.LifeSupportService.java
free.yhc.feeder.NotiManager.java
free.yhc.feeder.PredefinedChannelActivity.java
free.yhc.feeder.ScheduledUpdateService.java
free.yhc.feeder.UiHelper.java
free.yhc.feeder.appwidget.AppWidgetUtils.java
free.yhc.feeder.appwidget.Provider.java
free.yhc.feeder.appwidget.UpdateService.java
free.yhc.feeder.appwidget.ViewsFactory.java
free.yhc.feeder.appwidget.ViewsService.java
free.yhc.feeder.db.ColumnCategory.java
free.yhc.feeder.db.ColumnChannel.java
free.yhc.feeder.db.ColumnItem.java
free.yhc.feeder.db.DBPolicy.java
free.yhc.feeder.db.DB.java
free.yhc.feeder.model.AssetSQLiteHelper.java
free.yhc.feeder.model.AtomParser.java
free.yhc.feeder.model.BGTaskDownloadToFile.java
free.yhc.feeder.model.BGTaskDownloadToItemContent.java
free.yhc.feeder.model.BGTaskManager.java
free.yhc.feeder.model.BGTaskUpdateChannel.java
free.yhc.feeder.model.BGTask.java
free.yhc.feeder.model.BaseBGTask.java
free.yhc.feeder.model.ContentsManager.java
free.yhc.feeder.model.DelayedAction.java
free.yhc.feeder.model.Environ.java
free.yhc.feeder.model.Err.java
free.yhc.feeder.model.FeedParser.java
free.yhc.feeder.model.FeedPolicy.java
free.yhc.feeder.model.Feed.java
free.yhc.feeder.model.FeederException.java
free.yhc.feeder.model.HtmlParser.java
free.yhc.feeder.model.ItemActionHandler.java
free.yhc.feeder.model.KeyBasedLinkedList.java
free.yhc.feeder.model.ListenerManager.java
free.yhc.feeder.model.NetLoader.java
free.yhc.feeder.model.RSSParser.java
free.yhc.feeder.model.RTTask.java
free.yhc.feeder.model.ThreadEx.java
free.yhc.feeder.model.UnexpectedExceptionHandler.java
free.yhc.feeder.model.UsageReport.java
free.yhc.feeder.model.Utils.java