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/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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.android.calendar;
import android.content.Context;
import android.content.res.AssetManager;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
/*
* Skeleton for additional options in the AllInOne menu.
*/
public class ExtensionsFactory {
private static String TAG = "ExtensionsFactory";
// Config filename for mappings of various class names to their custom
// implementations.
private static String EXTENSIONS_PROPERTIES = "calendar_extensions.properties";
private static String ALL_IN_ONE_MENU_KEY = "AllInOneMenuExtensions";
private static String CLOUD_NOTIFICATION_KEY = "CloudNotificationChannel";
private static String ANALYTICS_LOGGER_KEY = "AnalyticsLogger";
private static Properties sProperties = new Properties();
private static AllInOneMenuExtensionsInterface sAllInOneMenuExtensions = null;
private static AnalyticsLogger sAnalyticsLogger = null;
public static void init(AssetManager assetManager) {
try {
InputStream fileStream = assetManager.open(EXTENSIONS_PROPERTIES);
sProperties.load(fileStream);
fileStream.close();
} catch (FileNotFoundException e) {
// No custom extensions. Ignore.
Log.d(TAG, "No custom extensions.");
} catch (IOException e) {
Log.d(TAG, e.toString());
}
}
private static <T> T createInstance(String className) {
try {
Class<?> c = Class.forName(className);
return (T) c.newInstance();
} catch (ClassNotFoundException e) {
Log.e(TAG, className + ": unable to create instance.", e);
} catch (IllegalAccessException e) {
Log.e(TAG, className + ": unable to create instance.", e);
} catch (InstantiationException e) {
Log.e(TAG, className + ": unable to create instance.", e);
}
return null;
}
public static AllInOneMenuExtensionsInterface getAllInOneMenuExtensions() {
if ((sAllInOneMenuExtensions != null)) {
return sAllInOneMenuExtensions;
}
String className = sProperties.getProperty(ALL_IN_ONE_MENU_KEY);
if (className != null) {
sAllInOneMenuExtensions = createInstance(className);
} else {
Log.d(TAG, ALL_IN_ONE_MENU_KEY + " not found in properties file.");
}
if (sAllInOneMenuExtensions == null) {
sAllInOneMenuExtensions = new AllInOneMenuExtensionsInterface() {
@Override
public Integer getExtensionMenuResource(Menu menu) {
return null;
}
@Override
public boolean handleItemSelected(MenuItem item, Context context) {
return false;
}
};
}
return sAllInOneMenuExtensions;
}
public static CloudNotificationBackplane getCloudNotificationBackplane() {
CloudNotificationBackplane cnb = null;
String className = sProperties.getProperty(CLOUD_NOTIFICATION_KEY);
if (className != null) {
cnb = createInstance(className);
} else {
Log.d(TAG, CLOUD_NOTIFICATION_KEY + " not found in properties file.");
}
if (cnb == null) {
cnb = new CloudNotificationBackplane() {
@Override
public boolean open(Context context) {
return true;
}
@Override
public boolean subscribeToGroup(String senderId, String account, String groupId)
throws IOException {
return true;}
@Override
public void send(String to, String msgId, Bundle data) {
}
@Override
public void close() {
}
};
}
return cnb;
}
public static AnalyticsLogger getAnalyticsLogger(Context context) {
if (sAnalyticsLogger != null) {
return sAnalyticsLogger;
}
String className = sProperties.getProperty(ANALYTICS_LOGGER_KEY);
if (className != null) {
sAnalyticsLogger = createInstance(className);
} else {
Log.d(TAG, ANALYTICS_LOGGER_KEY + " not found in properties file.");
}
if (sAnalyticsLogger == null) {
sAnalyticsLogger = new AnalyticsLogger() {
@Override
public boolean initialize(Context context) {
return true;
}
@Override
public void trackView(String name) {
}
};
}
sAnalyticsLogger.initialize(context);
return sAnalyticsLogger;
}
}
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