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Bug 291077. Second more sensible patch for get_accParent() problems, r+sr=roc

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aaronleventhal%moonset.net 2005-08-19 03:21:38 +00:00
parent 4c2ff0b6d7
commit 13f84f3691
1 changed files with 11 additions and 6 deletions
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17
accessible/src/msaa/nsAccessibleWrap.cpp
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@ -183,16 +183,21 @@ STDMETHODIMP nsAccessibleWrap::get_accParent( IDispatch __RPC_FAR *__RPC_FAR *pp
// object as well as any layout that creates its own window (e.g. via overflow: scroll)
nsIWidget *widget = view->GetWidget();
if (widget) {
// If frame has a widget that means we're at the root
// of a document or application, where there are 2 windows, one
// containing the scrollbars and one for the client area inside
hwnd = (HWND)widget->GetNativeData(NS_NATIVE_WINDOW);
NS_ASSERTION(hwnd, "No window handle for window");
hwnd = ::GetParent(hwnd); // We want the scrollable window
NS_ASSERTION(hwnd, "No window handle for window");
nsIView *rootView;
view->GetViewManager()->GetRootView(rootView);
if (rootView == view) {
// If the current object has a widget but was created by an
// outer object with its own outer window, then
// we want the native accessible for that outer window
hwnd = ::GetParent(hwnd);
NS_ASSERTION(hwnd, "No window handle for window");
}
}
else {
// If a frame is a scrollable frame, then it has one window with the scrollbars
// If a frame is a scrollable frame, then it has one window for the client area,
// not an extra parent window for just the scrollbars
nsIScrollableFrame *scrollFrame = nsnull;
CallQueryInterface(frame, &scrollFrame);
if (scrollFrame) {