[Webkit-unassigned] [Bug 106077] [Qt]=?UTF-8?Q?=20When=20frame=20flattening=EF=BC=8Cdrag=20scrollbar?=, then click link to goto next frame, the page scroll offset is preserved

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=106077





--- Comment #5 from Chen Zhixiang <chenzx at cn.fujitsu.com>  2013-01-06 23:49:09 PST ---
Try to patch FrameLoader::checkLoadCompleteForThisFrame()（ which calls history()->restoreScrollPositionAndViewState() ）also failed: (Doesn't know why not works):

            // If the user had a scroll point, scroll to it, overriding the anchor point if any.
            if (m_frame->page()) {
                if (isBackForwardLoadType(m_loadType) || m_loadType == FrameLoadTypeReload || m_loadType == FrameLoadTypeReloadFromOrigin)
                    history()->restoreScrollPositionAndViewState();
+                else{
+                    if (FrameView* view = m_frame->view()) {
+                        if (!view->wasScrolledByUser()) {
+                            view->setScrollPosition( IntPoint() );
+                        }
+                    }
+                }
            }

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