mshtml: Associate PluginHost with containing HTMLDocumentDode.

dlls/mshtml/htmldoc.c

@@ -35,6 +35,7 @@
 
 #include "mshtml_private.h"
 #include "htmlevent.h"
+#include "pluginhost.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
 
@@ -1897,6 +1898,7 @@ static void HTMLDocumentNode_destructor(HTMLDOMNode *iface)
 
     detach_selection(This);
     detach_ranges(This);
+    detach_plugin_hosts(This);
     release_nodes(This);
 
     if(This->nsdoc) {
@@ -1982,6 +1984,7 @@ static HTMLDocumentNode *alloc_doc_node(HTMLDocumentObj *doc_obj, HTMLWindow *wi
     list_init(&doc->bindings);
     list_init(&doc->selection_list);
     list_init(&doc->range_list);
+    list_init(&doc->plugin_hosts);
 
     return doc;
 }

dlls/mshtml/mshtml_private.h

@@ -618,6 +618,7 @@ struct HTMLDocumentNode {
     struct list bindings;
     struct list selection_list;
     struct list range_list;
+    struct list plugin_hosts;
 };
 
 #define HTMLWINDOW2(x)   ((IHTMLWindow2*)                 &(x)->lpHTMLWindow2Vtbl)

dlls/mshtml/npplugin.c

@@ -272,7 +272,7 @@ static NPError CDECL NPP_New(NPMIMEType pluginType, NPP instance, UINT16 mode, I
         PluginHost *host;
         HRESULT hres;
 
-        hres = create_plugin_host(obj, &host);
+        hres = create_plugin_host(window->doc, obj, &host);
         nsIDOMElement_Release(nselem);
         IUnknown_Release(obj);
         if(SUCCEEDED(hres))

dlls/mshtml/pluginhost.c

@@ -160,6 +160,7 @@ static ULONG WINAPI PHClientSite_Release(IOleClientSite *iface)
     TRACE("(%p) ref=%d\n", This, ref);
 
     if(!ref) {
+        list_remove(&This->entry);
         if(This->plugin_unk)
             IUnknown_Release(This->plugin_unk);
         heap_free(This);
@@ -731,7 +732,18 @@ static const IServiceProviderVtbl ServiceProviderVtbl = {
     PHServiceProvider_QueryService
 };
 
-HRESULT create_plugin_host(IUnknown *unk, PluginHost **ret)
+void detach_plugin_hosts(HTMLDocumentNode *doc)
+{
+    PluginHost *iter;
+
+    while(!list_empty(&doc->plugin_hosts)) {
+        iter = LIST_ENTRY(list_head(&doc->plugin_hosts), PluginHost, entry);
+        list_remove(&iter->entry);
+        iter->doc = NULL;
+    }
+}
+
+HRESULT create_plugin_host(HTMLDocumentNode *doc, IUnknown *unk, PluginHost **ret)
 {
     PluginHost *host;
 
@@ -753,6 +765,9 @@ HRESULT create_plugin_host(IUnknown *unk, PluginHost **ret)
     IUnknown_AddRef(unk);
     host->plugin_unk = unk;
 
+    host->doc = doc;
+    list_add_tail(&doc->plugin_hosts, &host->entry);
+
     *ret = host;
     return S_OK;
 }

dlls/mshtml/pluginhost.h

@@ -32,7 +32,11 @@ typedef struct {
 
     IUnknown *plugin_unk;
     HWND hwnd;
+
+    HTMLDocumentNode *doc;
+    struct list entry;
 } PluginHost;
 
-HRESULT create_plugin_host(IUnknown*,PluginHost**);
+HRESULT create_plugin_host(HTMLDocumentNode*,IUnknown*,PluginHost**);
 void update_plugin_window(PluginHost*,HWND,const RECT*);
+void detach_plugin_hosts(HTMLDocumentNode*);