[Webkit-unassigned] [Bug 42121] [chromium] Add new WebClipboard method for setting generic data in copy/cut handlers.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=42121





--- Comment #6 from Daniel Cheng <dcheng at chromium.org>  2010-08-23 16:21:57 PST ---
(In reply to comment #4)
> I think this would be easier to review if you had a chromium side change demonstrating how it's used.

I'll try to post a patch for that this evening. I'm trying to separate my patches from each other right now, and it's a rather painful process.

It's needed because drags and copies/cuts aren't written back to the system data object the same way.

For drags:
The drag controller starts a drag. The DOM receives a dragstart event and populates event.dataTransfer. The drag controller calls DragClient::startDrag(), which passes all the data that was set in event.dataTransfer to the Chromium side.

For copy/cut:
The editor clears the pasteboard before it does anything. Then a copy/cut event is dispatched to the DOM, and for each call to event.dataTransfer.setData(), data is immediately written back to the system pasteboard. There is no analogous version of DragClient::startDrag() for pasteboard operations. I wanted to add this, but haven't done so since I didn't receive feedback from Darin Adler.

Since we must write back immediately, and the existing APIs are not rich enough, I added a new interface.

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