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When creating a frame after a page has loaded and loading a new document into

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it, don't try to treat it as a subframe history traversal, since there is no
original history entry involved so the cloning operation fails.  Just append
the session history entry for the newly loaded frame to the history entry for
the page as we would have if the load were done during pageload.  Bug 237717,
r=adamlock, sr=darin
This commit is contained in:
bzbarsky%mit.edu 2004-04-13 01:42:40 +00:00
parent b5aa006eb5
commit 2a21577680
2 changed files with 31 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
docshell/base/nsDocShell.cpp
View File

@ -2251,6 +2251,13 @@ nsDocShell::AddChildSHEntry(nsISHEntry * aCloneRef, nsISHEntry * aNewEntry,
rv = container->AddChild(aNewEntry, aChildOffset);
}
}
else if (!aCloneRef) {
/* This is an initial load in some subframe. Just append it if we can */
nsCOMPtr<nsISHContainer> container(do_QueryInterface(mOSHE, &rv));
if (container) {
rv = container->AddChild(aNewEntry, aChildOffset);
}
}
else if (mSessionHistory) {
/* You are currently in the rootDocShell.
* You will get here when a subframe has a new url
@ -2272,10 +2279,8 @@ nsDocShell::AddChildSHEntry(nsISHEntry * aCloneRef, nsISHEntry * aNewEntry,
nsCOMPtr<nsISHEntry> currentEntry(do_QueryInterface(currentHE));
if (currentEntry) {
PRUint32 cloneID = 0;
nsCOMPtr<nsISHEntry> nextEntry; //(do_CreateInstance(NS_SHENTRY_CONTRACTID));
// NS_ENSURE_TRUE(result, NS_ERROR_FAILURE);
if (aCloneRef)
aCloneRef->GetID(&cloneID);
nsCOMPtr<nsISHEntry> nextEntry;
aCloneRef->GetID(&cloneID);
rv = CloneAndReplace(currentEntry, cloneID, aNewEntry,
getter_AddRefs(nextEntry));
@ -2288,21 +2293,29 @@ nsDocShell::AddChildSHEntry(nsISHEntry * aCloneRef, nsISHEntry * aNewEntry,
}
}
else {
/* You will get here when you are in a subframe and
* a new url has been loaded on you.
* The mOSHE in this subframe will be the previous url's
* mOSHE. This mOSHE will be used as the identification
* for this subframe in the CloneAndReplace function.
*/
/* Just pass this along */
nsCOMPtr<nsIDocShellHistory> parent(do_QueryInterface(mParent, &rv));
if (parent) {
if (!aCloneRef) {
aCloneRef = mOSHE;
}
rv = parent->AddChildSHEntry(aCloneRef, aNewEntry, aChildOffset);
}
}
}
return rv;
}
nsresult
nsDocShell::DoAddChildSHEntry(nsISHEntry* aNewEntry, PRInt32 aChildOffset)
{
/* You will get here when you are in a subframe and
* a new url has been loaded on you.
* The mOSHE in this subframe will be the previous url's
* mOSHE. This mOSHE will be used as the identification
* for this subframe in the CloneAndReplace function.
*/
nsresult rv;
nsCOMPtr<nsIDocShellHistory> parent(do_QueryInterface(mParent, &rv));
if (parent) {
rv = parent->AddChildSHEntry(mOSHE, aNewEntry, aChildOffset);
}
return rv;
}
@ -6212,7 +6225,7 @@ nsDocShell::AddToSessionHistory(nsIURI * aURI,
// This is a subframe.
if ((mLoadType != LOAD_NORMAL_REPLACE) ||
(mLoadType == LOAD_NORMAL_REPLACE && !mOSHE))
rv = AddChildSHEntry(nsnull, entry, mChildOffset);
rv = DoAddChildSHEntry(entry, mChildOffset);
}
// Return the new SH entry...

3
docshell/base/nsDocShell.h
View File

@ -250,7 +250,8 @@ protected:
// Session History
virtual PRBool ShouldAddToSessionHistory(nsIURI * aURI);
virtual nsresult AddToSessionHistory(nsIURI * aURI, nsIChannel * aChannel,
nsISHEntry ** aNewEntry);
nsISHEntry ** aNewEntry);
nsresult DoAddChildSHEntry(nsISHEntry* aNewEntry, PRInt32 aChildOffset);
NS_IMETHOD LoadHistoryEntry(nsISHEntry * aEntry, PRUint32 aLoadType);
NS_IMETHOD PersistLayoutHistoryState();