[PATCH 3/9] mshtml: Keep ref from the child to the parent window.

[Gabriel Ivăncescu]

From: Gabriel Ivăncescu

Signed-off-by: Gabriel Ivăncescu 
---
 dlls/mshtml/htmlwindow.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/dlls/mshtml/htmlwindow.c b/dlls/mshtml/htmlwindow.c
index 47e65472c01..4afa434ad27 100644
--- a/dlls/mshtml/htmlwindow.c
+++ b/dlls/mshtml/htmlwindow.c
@@ -112,9 +112,11 @@ static void detach_inner_window(HTMLInnerWindow *window)

while(!list_empty(&window->children)) {
         HTMLOuterWindow *child = LIST_ENTRY(list_tail(&window->children), HTMLOuterWindow, sibling_entry);
+        HTMLOuterWindow *parent = child->parent;

list_remove(&child->sibling_entry);
         child->parent = NULL;
+        IHTMLWindow2_Release(&parent->base.IHTMLWindow2_iface);

if(child->base.inner_window)
             detach_inner_window(child->base.inner_window);
@@ -4330,6 +4332,8 @@ static nsresult NSAPI outer_window_traverse(void *ccp, void *p, nsCycleCollectio
         note_cc_edge((nsISupports*)&window->pending_window->base.IHTMLWindow2_iface, "pending_window", cb);
     if(window->base.inner_window)
         note_cc_edge((nsISupports*)&window->base.inner_window->base.IHTMLWindow2_iface, "inner_window", cb);
+    if(window->parent)
+        note_cc_edge((nsISupports*)&window->parent->base.IHTMLWindow2_iface, "parent", cb);
     if(window->location)
         note_cc_edge((nsISupports*)&window->location->IHTMLLocation_iface, "location", cb);
     if(window->nswindow)
@@ -4359,6 +4363,11 @@ static nsresult NSAPI outer_window_unlink(void *p)
     set_current_uri(window, NULL);
     if(window->base.inner_window)
         detach_inner_window(window->base.inner_window);
+    if(window->parent) {
+        HTMLOuterWindow *parent = window->parent;
+        window->parent = NULL;
+        IHTMLWindow2_Release(&parent->base.IHTMLWindow2_iface);
+    }
     if(window->location) {
         HTMLLocation *location = window->location;
         window->location = NULL;
@@ -4490,6 +4499,7 @@ HRESULT create_outer_window(GeckoBrowser *browser, mozIDOMWindowProxy *mozwindow

if(parent) {
         IHTMLWindow2_AddRef(&window->base.IHTMLWindow2_iface);
+        IHTMLWindow2_AddRef(&parent->base.IHTMLWindow2_iface);

window->parent = parent;
         list_add_tail(&parent->base.inner_window->children, &window->sibling_entry);