de.dev.eth0.rssreader.app.util.ActivityStarterHelper.java Source code

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Here is the source code for de.dev.eth0.rssreader.app.util.ActivityStarterHelper.java

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/* ===================================================
 * Copyright 2015 Alex Muthmann
 *
 * 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 de.dev.eth0.rssreader.app.util;

import android.content.Context;
import android.content.Intent;
import android.support.v4.app.FragmentActivity;
import de.dev.eth0.rssreader.R;
import de.dev.eth0.rssreader.app.data.database.tables.FeedEntryTable;
import de.dev.eth0.rssreader.app.ui.FeedEntryDetailActivity;
import de.dev.eth0.rssreader.app.ui.fragments.FeedEntryFragment;
import timber.log.Timber;

public class ActivityStarterHelper {

    /**
     * displays the given feed
     *
     * @param id
     * @param context
     */
    public static void displayFeedEntry(Context context, Long id) {
        if (context instanceof FragmentActivity) {
            FragmentActivity activity = (FragmentActivity) context;
            // Depending on the design, we either update the FeedEntryFragment or start a new activity
            FeedEntryFragment feedEntryFragment = (FeedEntryFragment) activity.getSupportFragmentManager()
                    .findFragmentById(R.id.feed_detail);
            if (feedEntryFragment != null && feedEntryFragment.isAdded()) {
                Timber.d("Updating feedEntryFragment %d", id);
                feedEntryFragment.displayFeedEntry(id);
            } else {
                Timber.d("Starting FeedEntryDetailActivity for Feed %d", id);
                activity.startActivity(
                        new Intent(context, FeedEntryDetailActivity.class).putExtra(FeedEntryTable.COLUMN_ID, id));
            }
        } else {
            Timber.e("Could not display feed entry as the context has the wrong class %s", context.getClass());
        }
    }
}