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Deal with a dead docshell during document.open. bug 435128, r+sr=jst

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This commit is contained in:
Blake Kaplan 2008-07-09 15:48:02 +02:00
parent 2d23628d74
commit f0df97ad39
1 changed files with 30 additions and 26 deletions
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56
content/html/document/src/nsHTMLDocument.cpp
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@ -1785,12 +1785,15 @@ nsHTMLDocument::OpenCommon(const nsACString& aContentType, PRBool aReplace)
// check whether we're in the middle of unload. If so, ignore this call.
nsCOMPtr<nsIDocShell> shell = do_QueryReferent(mDocumentContainer);
if (shell) {
PRBool inUnload;
shell->GetIsInUnload(&inUnload);
if (inUnload) {
return NS_OK;
}
if (!shell) {
// We won't be able to create a parser anyway.
return NS_OK;
}
PRBool inUnload;
shell->GetIsInUnload(&inUnload);
if (inUnload) {
return NS_OK;
}
// Note: We want to use GetDocumentFromContext here because this document
@ -1846,12 +1849,10 @@ nsHTMLDocument::OpenCommon(const nsACString& aContentType, PRBool aReplace)
NS_ENSURE_SUCCESS(rv, rv);
}
nsCOMPtr<nsIDocShell> docshell = do_QueryReferent(mDocumentContainer);
// Stop current loads targeted at the window this document is in.
if (mScriptGlobalObject && docshell) {
if (mScriptGlobalObject) {
nsCOMPtr<nsIContentViewer> cv;
docshell->GetContentViewer(getter_AddRefs(cv));
shell->GetContentViewer(getter_AddRefs(cv));
if (cv) {
PRBool okToUnload;
@ -1864,7 +1865,7 @@ nsHTMLDocument::OpenCommon(const nsACString& aContentType, PRBool aReplace)
}
}
nsCOMPtr<nsIWebNavigation> webnav(do_QueryInterface(docshell));
nsCOMPtr<nsIWebNavigation> webnav(do_QueryInterface(shell));
webnav->Stop(nsIWebNavigation::STOP_NETWORK);
}
@ -1997,30 +1998,33 @@ nsHTMLDocument::OpenCommon(const nsACString& aContentType, PRBool aReplace)
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsIHTMLContentSink> sink;
rv = NS_NewHTMLContentSink(getter_AddRefs(sink), this, uri, docshell,
rv = NS_NewHTMLContentSink(getter_AddRefs(sink), this, uri, shell,
channel);
NS_ENSURE_SUCCESS(rv, rv);
if (NS_FAILED(rv)) {
// Don't use a parser without a content sink.
mParser = nsnull;
mWriteState = eNotWriting;
return rv;
}
mParser->SetContentSink(sink);
}
// Prepare the docshell and the document viewer for the impending
// out of band document.write()
if (docshell) {
docshell->PrepareForNewContentModel();
shell->PrepareForNewContentModel();
// Now check whether we were opened with a "replace" argument. If
// so, we need to tell the docshell to not create a new history
// entry for this load. Otherwise, make sure that we're doing a normal load,
// not whatever type of load was previously done on this docshell.
docshell->SetLoadType(aReplace ? LOAD_NORMAL_REPLACE : LOAD_NORMAL);
// Now check whether we were opened with a "replace" argument. If
// so, we need to tell the docshell to not create a new history
// entry for this load. Otherwise, make sure that we're doing a normal load,
// not whatever type of load was previously done on this docshell.
shell->SetLoadType(aReplace ? LOAD_NORMAL_REPLACE : LOAD_NORMAL);
nsCOMPtr<nsIContentViewer> cv;
docshell->GetContentViewer(getter_AddRefs(cv));
nsCOMPtr<nsIDocumentViewer> docViewer = do_QueryInterface(cv);
if (docViewer) {
docViewer->LoadStart(static_cast<nsIHTMLDocument *>(this));
}
nsCOMPtr<nsIContentViewer> cv;
shell->GetContentViewer(getter_AddRefs(cv));
nsCOMPtr<nsIDocumentViewer> docViewer = do_QueryInterface(cv);
if (docViewer) {
docViewer->LoadStart(static_cast<nsIHTMLDocument *>(this));
}
// Add a wyciwyg channel request into the document load group