flymis/WebRoot/dojojs/src/flash.js

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/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.flash");

dojo.require("dojo.string.*");
dojo.require("dojo.uri.*");
dojo.require("dojo.html.common");

/** 
		The goal of dojo.flash is to make it easy to extend Flash's capabilities
		into an AJAX/DHTML environment. Robust, performant, reliable 
		JavaScript/Flash communication is harder than most realize when they
		delve into the topic, especially if you want it
		to work on Internet Explorer, Firefox, and Safari, and to be able to
		push around hundreds of K of information quickly. Dojo.flash makes it
		possible to support these platforms; you have to jump through a few
		hoops to get its capabilites, but if you are a library writer 
		who wants to bring Flash's storage or streaming sockets ability into
		DHTML, for example, then dojo.flash is perfect for you.
  
		Dojo.flash provides an easy object for interacting with the Flash plugin. 
		This object provides methods to determine the current version of the Flash
		plugin (dojo.flash.info); execute Flash instance methods 
		independent of the Flash version
		being used (dojo.flash.comm); write out the necessary markup to 
		dynamically insert a Flash object into the page (dojo.flash.Embed; and 
		do dynamic installation and upgrading of the current Flash plugin in 
		use (dojo.flash.Install).
		
		To use dojo.flash, you must first wait until Flash is finished loading 
		and initializing before you attempt communication or interaction. 
		To know when Flash is finished use dojo.event.connect:
		
		dojo.event.connect(dojo.flash, "loaded", myInstance, "myCallback");
		
		Then, while the page is still loading provide the file name
		and the major version of Flash that will be used for Flash/JavaScript
		communication (see "Flash Communication" below for information on the 
		different kinds of Flash/JavaScript communication supported and how they 
		depend on the version of Flash installed):
		
		dojo.flash.setSwf({flash6: "src/storage/storage_flash6.swf",
											 flash8: "src/storage/storage_flash8.swf"});
		
		This will cause dojo.flash to pick the best way of communicating
		between Flash and JavaScript based on the platform.
		
		If no SWF files are specified, then Flash is not initialized.
		
		Your Flash must use DojoExternalInterface to expose Flash methods and
		to call JavaScript; see "Flash Communication" below for details.