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stop webshell embed if the the window in which to embed has been destroyed. fixes bug 14020

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danm@netscape.com
1999-09-16 23:35:05 +00:00
parent 1a521750a4
commit 41faf822fc
2 changed files with 16 additions and 2 deletions
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9
docshell/base/nsWebShell.cpp
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@@ -857,7 +857,14 @@ nsWebShell::Embed(nsIContentViewer* aContentViewer,
NS_ADDREF(aContentViewer);
// check to see if we have a window to embed into --dwc0001
if(mWindow) {
/* Note we also need to check for the presence of a native widget. If the
webshell is hidden before it's embedded, which can happen in an onload
handler, the native widget is destroyed before this code is run. This
appears to be mostly harmless except on Windows, where the subsequent
attempt to create a child window without a parent is met with disdain
by the OS. It's handy, then, that GetNativeData on Windows returns
null in this case. */
if(mWindow && mWindow->GetNativeData(NS_NATIVE_WIDGET)) {
mWindow->GetClientBounds(bounds);
bounds.x = bounds.y = 0;
rv = mContentViewer->Init(mWindow->GetNativeData(NS_NATIVE_WIDGET),