[Webkit-unassigned] [Bug 133110] New: [WK2] Fixed layout size of UIProcess isn't sync with WebProcess while viewport meta tag is changed.
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Tue May 20 00:41:08 PDT 2014
https://bugs.webkit.org/show_bug.cgi?id=133110
Summary: [WK2] Fixed layout size of UIProcess isn't sync with
WebProcess while viewport meta tag is changed.
Product: WebKit
Version: 528+ (Nightly build)
Platform: Unspecified
OS/Version: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: WebKit2
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: gyuyoung.kim at samsung.com
When viewport attribute is updated, WebPage::sendViewportAttributesChanged() changes fixed layout size of WebCore(ScrollView). However, it doesn't update fixed layout size with new fixed layout size for UIProcess. It can cause that UIProcess API (e.g. WKPageSetFixedLayoutSize()) can't change fixed layout size because WebPageProxy::m_fixedLayoutSize wasn't updated.
void WebPage::sendViewportAttributesChanged()
{
...
// This also takes care of the relayout.
setFixedLayoutSize(roundedIntSize(attr.layoutSize));
...
}
void WebPage::setFixedLayoutSize(const IntSize& size)
{
FrameView* view = mainFrameView();
...
view->setFixedLayoutSize(size); => Change WebCore's fixed layout size !
...
}
If WebPageProxy::m_fixedLayoutSize wasn't updated, WKPageSetFixedLayoutSize() can't update fixed layout size for WebCore.
void WebPageProxy::setFixedLayoutSize(const IntSize& size)
{
...
if (size == m_fixedLayoutSize)
return;
m_fixedLayoutSize = size;
m_process->send(Messages::WebPage::SetFixedLayoutSize(size), m_pageID);
}
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