Comments on HTML5 Drag and Drop by Francisco Tolmasky

Francisco Tolmasky (creator of the Cappuccino) framework, recently did a blog post where he looked at the HTML5 Drag and Drop interface:

http://www.alertdebugging.com/2009/08/16/on-html-5-drag-and-drop/

In this post, he expresses an interest in making three relatively minor changes to the spec:

1.) Lazy Data Loading: when calling "setData" to provide drag/drop data for a particular format, one should be able to provide a function that can be used to lazily provide the data on demand, rather than having to provide the data itself upfront.

2.) Initiating Drags: an app should be able to start drags explicitly by e.g calling "startDrag", thus allowing finer control over what can be dragged.

3.) Drag images: there should be no requirement that the image specified by "setDragImage" be visible.


What do people think of these suggestions? They seem sensible to me.


-Rob