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

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3c421a813a03788bf4b0c6240aa86eb54e01d39d
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=3c421a813a03788bf4b0c6240a...

Author: Jacek Caban <jacek(a)codeweavers.com>
Date:   Wed Aug 18 13:39:04 2010 +0200

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

---

 dlls/mshtml/mshtml_private.h |    1 +
 dlls/mshtml/mutation.c       |    3 +++
 dlls/mshtml/navigate.c       |    5 +++++
 dlls/mshtml/nsio.c           |    6 +++++-
 4 files changed, 14 insertions(+), 1 deletions(-)

diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index e1193e3..e4e074a 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/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;
 
diff --git a/dlls/mshtml/mutation.c b/dlls/mshtml/mutation.c
index 73a510f..8cf43fb 100644
--- a/dlls/mshtml/mutation.c
+++ b/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);
 }
diff --git a/dlls/mshtml/navigate.c b/dlls/mshtml/navigate.c
index 086154f..60e67d0 100644
--- a/dlls/mshtml/navigate.c
+++ b/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;
 }
 
diff --git a/dlls/mshtml/nsio.c b/dlls/mshtml/nsio.c
index 758bac0..308f0e4 100644
--- a/dlls/mshtml/nsio.c
+++ b/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)) {