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Bug 594775 - Some pages like Facebook or German Amazon come up with a blank virtual buffer and lots of unknown accessibles, r=davidb, sr=roc, a=davidb

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This commit is contained in:
Alexander Surkov 2010-09-15 13:55:51 -07:00
parent 294d89091f
commit c4ff21eb6e
1 changed files with 7 additions and 32 deletions
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39
widget/src/windows/nsWindow.cpp
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@ -7606,39 +7606,14 @@ nsWindow::GetRootAccessible()
}
NS_LOG_WMGETOBJECT_THISWND
if (mContentType != eContentTypeInherit) {
// We're on a MozillaContentWindowClass or MozillaUIWindowClass window.
// Search for the correct visible child window to get an accessible
// document from. Make sure to use an active child window. If this window
// doesn't have child windows then return an accessible for it.
HWND accessibleWnd = ::GetTopWindow(mWnd);
NS_LOG_WMGETOBJECT_WND("Top Window", accessibleWnd);
if (!accessibleWnd) {
NS_LOG_WMGETOBJECT_WND("This Window", mWnd);
return DispatchAccessibleEvent(NS_GETACCESSIBLE);
}
nsWindow* accessibleWindow = nsnull;
while (accessibleWnd) {
// Loop through windows and find the first one with accessibility info
accessibleWindow = GetNSWindowPtr(accessibleWnd);
if (accessibleWindow) {
nsAccessible *rootAccessible =
accessibleWindow->DispatchAccessibleEvent(NS_GETACCESSIBLE);
if (rootAccessible) {
// Success, one of the child windows was active.
return rootAccessible;
}
}
accessibleWnd = ::GetNextWindow(accessibleWnd, GW_HWNDNEXT);
NS_LOG_WMGETOBJECT_WND("Next Window", accessibleWnd);
}
return nsnull;
}
NS_LOG_WMGETOBJECT_WND("This Window", mWnd);
return DispatchAccessibleEvent(NS_GETACCESSIBLE);
nsAccessible* docAcc = DispatchAccessibleEvent(NS_GETACCESSIBLE);
nsCOMPtr<nsIAccessibleDocument> rootDocAcc;
docAcc->GetRootDocument(getter_AddRefs(rootDocAcc));
nsRefPtr<nsAccessible> rootAcc(do_QueryObject(rootDocAcc));
return rootAcc;
}
STDMETHODIMP_(LRESULT)