/*
* Copyright 2010 Facebook, Inc.
*
* 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.masterofcode.android.magreader.share.fb;
import java.util.LinkedList;
public class SessionEvents {
private static LinkedList<AuthListener> mAuthListeners =
new LinkedList<AuthListener>();
private static LinkedList<LogoutListener> mLogoutListeners =
new LinkedList<LogoutListener>();
/**
* Associate the given listener with this Facebook object. The listener's
* callback interface will be invoked when authentication events occur.
*
* @param listener
* The callback object for notifying the application when auth
* events happen.
*/
public static void addAuthListener(AuthListener listener) {
mAuthListeners.add(listener);
}
/**
* Remove the given listener from the list of those that will be notified
* when authentication events occur.
*
* @param listener
* The callback object for notifying the application when auth
* events happen.
*/
public static void removeAuthListener(AuthListener listener) {
mAuthListeners.remove(listener);
}
/**
* Associate the given listener with this Facebook object. The listener's
* callback interface will be invoked when logout occurs.
*
* @param listener
* The callback object for notifying the application when log out
* starts and finishes.
*/
public static void addLogoutListener(LogoutListener listener) {
mLogoutListeners.add(listener);
}
/**
* Remove the given listener from the list of those that will be notified
* when logout occurs.
*
* @param listener
* The callback object for notifying the application when log out
* starts and finishes.
*/
public static void removeLogoutListener(LogoutListener listener) {
mLogoutListeners.remove(listener);
}
public static void onLoginSuccess() {
for (AuthListener listener : mAuthListeners) {
listener.onAuthSucceed();
}
}
public static void onLoginError(String error) {
for (AuthListener listener : mAuthListeners) {
listener.onAuthFail(error);
}
}
public static void onLogoutBegin() {
for (LogoutListener l : mLogoutListeners) {
l.onLogoutBegin();
}
}
public static void onLogoutFinish() {
for (LogoutListener l : mLogoutListeners) {
l.onLogoutFinish();
}
}
/**
* Callback interface for authorization events.
*
*/
public static interface AuthListener {
/**
* Called when a auth flow completes successfully and a valid OAuth
* Token was received.
*
* Executed by the thread that initiated the authentication.
*
* API requests can now be made.
*/
public void onAuthSucceed();
/**
* Called when a login completes unsuccessfully with an error.
*
* Executed by the thread that initiated the authentication.
*/
public void onAuthFail(String error);
}
/**
* Callback interface for logout events.
*
*/
public static interface LogoutListener {
/**
* Called when logout begins, before session is invalidated.
* Last chance to make an API call.
*
* Executed by the thread that initiated the logout.
*/
public void onLogoutBegin();
/**
* Called when the session information has been cleared.
* UI should be updated to reflect logged-out state.
*
* Executed by the thread that initiated the logout.
*/
public void onLogoutFinish();
}
}