mshtml: Skip mutation notifications on documents that are being replaced.

dlls/mshtml/mshtml_private.h

@@ -586,6 +586,7 @@ struct HTMLDocumentNode {
     nsDocumentEventListener *nsevent_listener;
     BOOL *event_vector;
 
+    BOOL skip_mutation_notif;
     mutation_queue_t *mutation_queue;
     mutation_queue_t *mutation_queue_tail;
 

dlls/mshtml/mutation.c

@@ -558,6 +558,9 @@ static void NSAPI nsDocumentObserver_EndLoad(nsIDocumentObserver *iface, nsIDocu
 
     TRACE("\n");
 
+    if(This->skip_mutation_notif)
+        return;
+
     This->content_ready = TRUE;
     push_mutation_queue(This, MUTATION_ENDLOAD, NULL);
 }

dlls/mshtml/navigate.c

@@ -1105,6 +1105,11 @@ static void nsChannelBSC_destroy(BSCallback *bsc)
 
 static HRESULT nsChannelBSC_start_binding(BSCallback *bsc)
 {
+    nsChannelBSC *This = NSCHANNELBSC_THIS(bsc);
+
+    if(This->window)
+        This->window->doc->skip_mutation_notif = FALSE;
+
     return S_OK;
 }
 

dlls/mshtml/nsio.c

@@ -159,6 +159,7 @@ HRESULT load_nsuri(HTMLWindow *window, nsWineURI *uri, nsChannelBSC *channelbsc,
 {
     nsIWebNavigation *web_navigation;
     nsIDocShell *doc_shell;
+    HTMLDocumentNode *doc;
     nsresult nsres;
 
     nsres = get_nsinterface((nsISupports*)window->nswindow, &IID_nsIWebNavigation, (void**)&web_navigation);
@@ -174,9 +175,12 @@ HRESULT load_nsuri(HTMLWindow *window, nsWineURI *uri, nsChannelBSC *channelbsc,
         return E_FAIL;
     }
 
-
     uri->channel_bsc = channelbsc;
+    doc = window->doc;
+    doc->skip_mutation_notif = TRUE;
     nsres = nsIDocShell_LoadURI(doc_shell, NSURI(uri), NULL, flags, FALSE);
+    if(doc == window->doc)
+        doc->skip_mutation_notif = FALSE;
     uri->channel_bsc = NULL;
     nsIDocShell_Release(doc_shell);
     if(NS_FAILED(nsres)) {