/*
* 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.facebook.stream;
import android.app.Activity;
import android.webkit.WebView;
/**
* An abstract superclass for handlers. Handlers are similar to
* controllers in traditional web apps. Each page has a handler
* that is responsible for rendering the page.
*
* @author yariv
*/
public abstract class Handler {
// The app's dispatcher.
protected Dispatcher dispatcher;
/**
* The dispatcher calls this method when the Handler
* is expected to render its page.
*/
public abstract void go();
/**
* A setter for the dispatcher.
*
* @param dispatcher
*/
public void setDispatcher(Dispatcher dispatcher) {
this.dispatcher = dispatcher;
}
/**
* Returns the dispatcher.
*/
public Dispatcher getDispatcher() {
return dispatcher;
}
/**
* Returns the dispatcher's WebView
*/
public WebView getWebView() {
return dispatcher.getWebView();
}
/**
* Returns the dispatcher's Activity
*/
public Activity getActivity() {
return dispatcher.getActivity();
}
}
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