net.niyonkuru.koodroid.appwidget.WidgetConfigureActivity.java Source code

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Here is the source code for net.niyonkuru.koodroid.appwidget.WidgetConfigureActivity.java

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/*
 * Copyright 2012 Mike Niyonkuru
 *
 * 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 net.niyonkuru.koodroid.appwidget;

import android.app.AlertDialog;
import android.appwidget.AppWidgetHost;
import android.appwidget.AppWidgetManager;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
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.support.v4.widget.CursorAdapter;
import android.support.v4.widget.SimpleCursorAdapter;

import net.niyonkuru.koodroid.App;
import net.niyonkuru.koodroid.MainActivity.SubscribersQuery;
import net.niyonkuru.koodroid.R;
import net.niyonkuru.koodroid.provider.AccountContract.Subscribers;
import net.niyonkuru.koodroid.provider.SettingsContract.Settings;
import net.niyonkuru.koodroid.util.IntentUtils;

/**
 * Configures the {@link UsageWidget}
 */
public class WidgetConfigureActivity extends FragmentActivity implements LoaderManager.LoaderCallbacks<Cursor> {
    private int mResultCode = RESULT_CANCELED;

    private int mAppWidgetId;

    private CursorAdapter mAdapter;

    private AlertDialog mAlertDialog;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        mAppWidgetId = getIntent().getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
                AppWidgetManager.INVALID_APPWIDGET_ID);

        final Intent resultValue = new Intent();
        resultValue.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, mAppWidgetId);

        if (mAppWidgetId == AppWidgetManager.INVALID_APPWIDGET_ID) {
            setResult(RESULT_CANCELED, resultValue);
            finish();
        }

        // Create an empty adapter we will use to display the loaded data.
        mAdapter = new SimpleCursorAdapter(this, android.R.layout.select_dialog_singlechoice, null,
                new String[] { Subscribers.SUBSCRIBER_ID }, new int[] { android.R.id.text1 }, 0);

        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle(R.string.choose_subscriber_title);

        builder.setSingleChoiceItems(mAdapter, 0, new OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int position) {
                final Cursor cursor = mAdapter.getCursor();
                cursor.moveToPosition(position);

                ContentValues values = new ContentValues(1);
                values.put(Settings.SUBSCRIBER, cursor.getString(SubscribersQuery.SUBSCRIBER_ID));

                ContentResolver cr = getContentResolver();
                cr.insert(Settings.buildAppWidgetUri(mAppWidgetId), values);

                mResultCode = RESULT_OK;
                setResult(mResultCode, resultValue);

                dialog.dismiss();
                finish();
            }
        });

        builder.setOnCancelListener(new OnCancelListener() {
            @Override
            public void onCancel(DialogInterface dialog) {
                setResult(RESULT_CANCELED, resultValue);

                dialog.dismiss();
                finish();
            }
        });

        builder.setNegativeButton(R.string.cancel, new OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
                dialog.cancel();
            }
        });

        mAlertDialog = builder.create();

        getSupportLoaderManager().initLoader(0, null, this);
    }

    @Override
    public void onPause() {
        super.onPause();

        mAlertDialog.dismiss(); // avoid leaking window

        String action = getIntent().getAction();
        if (mResultCode == RESULT_CANCELED
                && (action != null && action.equals(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE))) {
            /* avoid phantom widgets */
            AppWidgetHost host = new AppWidgetHost(this, 1);
            host.deleteAppWidgetId(mAppWidgetId);
        } else {
            Intent intent = IntentUtils.createWidgetIntent(this, AppWidgetManager.ACTION_APPWIDGET_UPDATE);
            intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { mAppWidgetId });

            sendBroadcast(intent);
        }
    }

    @Override
    public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1) {
        String selection = Subscribers.SUBSCRIBER_EMAIL + "='" + App.getSettings().email() + "'";

        return new CursorLoader(this, Subscribers.CONTENT_URI, SubscribersQuery.PROJECTION, selection, null,
                Subscribers.DEFAULT_SORT);
    }

    @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
        mAlertDialog.show();
        mAdapter.swapCursor(data);
    }

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {
        mAdapter.swapCursor(null);
    }
}