Visiting a site can have certain changes on a FrameView that will not be undone when leaving it. The most prominent example is a fixed background (by CSS) which will disable using blit on scrolling. There might be different things as well. Another one would be the PageCache and navigation to pages in it. The result is that for every page navigation you will create a new FrameView. For most/all ports this is done in
FrameLoaderClient::transitionToCommittedForNewPage(). There is even a convience method shared between most ports in the form of Frame::createView.From an API point of view this means that there is one WebKitWebView (in terms of Gtk+) and this WebKitWebView has one WebCore::Page and this page has exactly one WebCore::Frame the so called mainFrame but throughout the lifetime of WebKitWebView there will be multipl
Комментариев нет:
Отправить комментарий