com.gsma.rcs.ri.messaging.GroupDeliveryInfoList.java Source code

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/*******************************************************************************
 * Software Name : RCS IMS Stack
 *
 * Copyright (C) 2010-2016 Orange.
 *
 * 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 com.gsma.rcs.ri.messaging;

import com.gsma.rcs.ri.R;
import com.gsma.rcs.ri.messaging.adapter.GroupDeliveryInfoCursorAdapter;
import com.gsma.rcs.ri.utils.LogUtils;
import com.gsma.services.rcs.groupdelivery.GroupDeliveryInfoLog;

import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.database.Cursor;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.util.Log;
import android.widget.ListView;

/**
 * A list view of group chat delivery information where the data comes from a cursor.
 * 
 * @author yplo6403
 */
public class GroupDeliveryInfoList extends FragmentActivity implements LoaderManager.LoaderCallbacks<Cursor> {
    /**
     * Intent parameters
     */
    private static final String EXTRA_MESSAGE_ID = "message_id";

    /**
     * the message ID for which we view the delivery information
     */
    private String mMessageId;

    /**
     * The loader's unique ID. Loader IDs are specific to the Activity in which they reside.
     */
    private static final int LOADER_ID = 1;

    // @formatter:off
    private static final String[] PROJECTION = new String[] { GroupDeliveryInfoLog.BASECOLUMN_ID,
            GroupDeliveryInfoLog.CONTACT, GroupDeliveryInfoLog.TIMESTAMP_DELIVERED,
            GroupDeliveryInfoLog.TIMESTAMP_DISPLAYED, GroupDeliveryInfoLog.STATUS,
            GroupDeliveryInfoLog.REASON_CODE };
    // @formatter:on

    private static final String WHERE_CLAUSE = GroupDeliveryInfoLog.ID + "=?";

    /**
     * The log tag for this class
     */
    private static final String LOGTAG = LogUtils.getTag(GroupDeliveryInfoList.class.getSimpleName());

    /**
     * The adapter that binds data to the ListView
     */
    private GroupDeliveryInfoCursorAdapter mAdapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // Set layout
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        setContentView(R.layout.delivery_info_list);
        mMessageId = getIntent().getStringExtra(EXTRA_MESSAGE_ID);
        // Initialize the adapter.
        mAdapter = new GroupDeliveryInfoCursorAdapter(this);

        // Associate the list adapter with the ListView.
        ListView listView = (ListView) findViewById(android.R.id.list);
        listView.setAdapter(mAdapter);
        // Initialize the Loader with id and callbacks 'mCallbacks'.
        getSupportLoaderManager().initLoader(LOADER_ID, null, this);
        if (LogUtils.isActive) {
            Log.d(LOGTAG, "onCreate");
        }
    }

    /**
     * Start GroupDeliveryInfoList activity
     * 
     * @param context The context
     * @param messageId the message ID for which Group Delivery information list is requested
     */
    public static void startActivity(Context context, String messageId) {
        Intent intent = new Intent(context, GroupDeliveryInfoList.class);
        intent.putExtra(EXTRA_MESSAGE_ID, messageId);
        context.startActivity(intent);
    }

    @Override
    public Loader<Cursor> onCreateLoader(int id, Bundle arg) {
        if (LogUtils.isActive) {
            Log.d(LOGTAG, "onCreateLoader " + id);
        }
        // Create a new CursorLoader with the following query parameters.
        return new CursorLoader(this, GroupDeliveryInfoLog.CONTENT_URI, PROJECTION, WHERE_CLAUSE,
                new String[] { mMessageId }, null);
    }

    @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
        if (LogUtils.isActive) {
            Log.d(LOGTAG, "onLoadFinished " + loader.getId());
        }
        // A switch-case is useful when dealing with multiple Loaders/IDs
        switch (loader.getId()) {
        case LOADER_ID:
            // The asynchronous load is complete and the data
            // is now available for use. Only now can we associate
            // the queried Cursor with the CursorAdapter.
            mAdapter.swapCursor(cursor);
            break;
        }
        // The listview now displays the queried data.
    }

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {
        if (LogUtils.isActive) {
            Log.d(LOGTAG, "onLoaderReset " + loader.getId());
        }
        // For whatever reason, the Loader's data is now unavailable.
        // Remove any references to the old data by replacing it with a null
        // Cursor.
        mAdapter.swapCursor(null);
    }
}