We'd like to implement this event and want to make sure there's no opposition before moving forward. I don't expect this to require huge rewrites to current webkit code, but it will definitely require some plumbing to make it so that all user-gestures that modify the DOM go through this codepath.
The proposal is that the input event be fired for any user-gesture that results in a modification to the DOM. This matches the input event for text controls. We'd like to add an 'action' property (open to better names) that indicates what the user-gesture was (e.g. paste, deleteword, undo, inserttext, etc). The goal is to simplify monitoring of changes to rich-text regions and to enable use-cases where the data is stored in a different model than HTML. This is needed so that, for example, an undo operation can be applied correctly on the model as well as the DOM. The beforeinput event would fire before the DOM is modified and is cancelable. I don't think this should be too much more work than adding the input event, an exception might need to be made for IME input here though. Specifically, it might be hard to make IME events cancelable. More details: https://bugs.webkit.org/show_bug.cgi?id=26526 Initial whatwg thread: http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2009-June/020553.html Hixie's response: http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2009-July/021101.html Ojan
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