[webkit-dev] How to add a progress bar of page loading with webkit?

[Jickae Davis]

Well, I checked the WebView.h, and didn't find the estimateProgress method
and the three associated notifications.

Then I searched them in the chrome's whole solution, didn't get any clue
too.....

2009/9/28 John Sullivan <sullivan at apple.com>

>  The Chrome and Safari teams have chosen not to display approximate
> progress bars for user interface design reasons.
>
> You can implement a progress bar for a WebKit-based browser by using the
> -estimatedProgress method in WebView.h and the associated
> notifications WebViewProgressStartedNotification, WebViewProgressEstimateChangedNotification,
> and WebViewProgressFinishedNotification.
>
> Note that any such progress bar (in any web browser, WebKit-based or not)
> is only an approximation, because as a page loads resources, it might
> discover additional resources that need to be loaded, so the page cannot
> know in advance how much more there is to load.
>
> John
>
>   On Sep 28, 2009, at 12:14 AM, Jickae Davis wrote:
>
>   I'm wonderring why Chrome and Safari don't add a progress bar which
> indicates the progress of loading a html page.
> I took a look at all the ViewMsg and ViewHostMsg in Chrome's src, and
> didn't find anything related.
> So, is that unimpossible to create such a progress bar?
>
> If it's not so hard, how to achieve that?
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>
>
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