From f2c4a122615c9404f72ced0c6eab730168de30cd Mon Sep 17 00:00:00 2001
From: Michael Stefaniuc <mstefani@redhat.de>
Date: Mon, 3 Jan 2011 01:10:03 +0100
Subject: [PATCH] mshtml: COM cleanup for the ICustomDoc iface.

---
 dlls/mshtml/htmldoc.c        | 25 +++++++++++++------------
 dlls/mshtml/mshtml_private.h |  4 +---
 2 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/dlls/mshtml/htmldoc.c b/dlls/mshtml/htmldoc.c
index 259f0e983ad..12e09476e70 100644
--- a/dlls/mshtml/htmldoc.c
+++ b/dlls/mshtml/htmldoc.c
@@ -2054,18 +2054,21 @@ HRESULT create_document_fragment(nsIDOMNode *nsnode, HTMLDocumentNode *doc_node,
  * ICustomDoc implementation
  */
 
-#define CUSTOMDOC_THIS(iface) DEFINE_THIS(HTMLDocumentObj, CustomDoc, iface)
+static inline HTMLDocumentObj *impl_from_ICustomDoc(ICustomDoc *iface)
+{
+    return CONTAINING_RECORD(iface, HTMLDocumentObj, ICustomDoc_iface);
+}
 
 static HRESULT WINAPI CustomDoc_QueryInterface(ICustomDoc *iface, REFIID riid, void **ppv)
 {
-    HTMLDocumentObj *This = CUSTOMDOC_THIS(iface);
+    HTMLDocumentObj *This = impl_from_ICustomDoc(iface);
 
     if(htmldoc_qi(&This->basedoc, riid, ppv))
         return *ppv ? S_OK : E_NOINTERFACE;
 
     if(IsEqualGUID(&IID_ICustomDoc, riid)) {
         TRACE("(%p)->(IID_ICustomDoc %p)\n", This, ppv);
-        *ppv = CUSTOMDOC(This);
+        *ppv = &This->ICustomDoc_iface;
     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
         return *ppv ? S_OK : E_NOINTERFACE;
     }else {
@@ -2080,7 +2083,7 @@ static HRESULT WINAPI CustomDoc_QueryInterface(ICustomDoc *iface, REFIID riid, v
 
 static ULONG WINAPI CustomDoc_AddRef(ICustomDoc *iface)
 {
-    HTMLDocumentObj *This = CUSTOMDOC_THIS(iface);
+    HTMLDocumentObj *This = impl_from_ICustomDoc(iface);
     ULONG ref = InterlockedIncrement(&This->ref);
 
     TRACE("(%p) ref = %u\n", This, ref);
@@ -2090,7 +2093,7 @@ static ULONG WINAPI CustomDoc_AddRef(ICustomDoc *iface)
 
 static ULONG WINAPI CustomDoc_Release(ICustomDoc *iface)
 {
-    HTMLDocumentObj *This = CUSTOMDOC_THIS(iface);
+    HTMLDocumentObj *This = impl_from_ICustomDoc(iface);
     ULONG ref = InterlockedDecrement(&This->ref);
 
     TRACE("(%p) ref = %u\n", This, ref);
@@ -2112,7 +2115,7 @@ static ULONG WINAPI CustomDoc_Release(ICustomDoc *iface)
         if(This->client)
             IOleObject_SetClientSite(&This->basedoc.IOleObject_iface, NULL);
         if(This->hostui)
-            ICustomDoc_SetUIHandler(CUSTOMDOC(This), NULL);
+            ICustomDoc_SetUIHandler(&This->ICustomDoc_iface, NULL);
         if(This->in_place_active)
             IOleInPlaceObjectWindowless_InPlaceDeactivate(&This->basedoc.IOleInPlaceObjectWindowless_iface);
         if(This->ipsite)
@@ -2139,7 +2142,7 @@ static ULONG WINAPI CustomDoc_Release(ICustomDoc *iface)
 
 static HRESULT WINAPI CustomDoc_SetUIHandler(ICustomDoc *iface, IDocHostUIHandler *pUIHandler)
 {
-    HTMLDocumentObj *This = CUSTOMDOC_THIS(iface);
+    HTMLDocumentObj *This = impl_from_ICustomDoc(iface);
     IOleCommandTarget *cmdtrg;
     HRESULT hres;
 
@@ -2167,8 +2170,6 @@ static HRESULT WINAPI CustomDoc_SetUIHandler(ICustomDoc *iface, IDocHostUIHandle
     return S_OK;
 }
 
-#undef CUSTOMDOC_THIS
-
 static const ICustomDocVtbl CustomDocVtbl = {
     CustomDoc_QueryInterface,
     CustomDoc_AddRef,
@@ -2203,10 +2204,10 @@ HRESULT HTMLDocument_Create(IUnknown *pUnkOuter, REFIID riid, void** ppvObject)
     if(!doc)
         return E_OUTOFMEMORY;
 
-    init_dispex(&doc->dispex, (IUnknown*)CUSTOMDOC(doc), &HTMLDocumentObj_dispex);
-    init_doc(&doc->basedoc, (IUnknown*)CUSTOMDOC(doc), &doc->dispex.IDispatchEx_iface);
+    init_dispex(&doc->dispex, (IUnknown*)&doc->ICustomDoc_iface, &HTMLDocumentObj_dispex);
+    init_doc(&doc->basedoc, (IUnknown*)&doc->ICustomDoc_iface, &doc->dispex.IDispatchEx_iface);
 
-    doc->lpCustomDocVtbl = &CustomDocVtbl;
+    doc->ICustomDoc_iface.lpVtbl = &CustomDocVtbl;
     doc->ref = 1;
     doc->basedoc.doc_obj = doc;
 
diff --git a/dlls/mshtml/mshtml_private.h b/dlls/mshtml/mshtml_private.h
index b7e377aa2f1..ad3d2ae8c54 100644
--- a/dlls/mshtml/mshtml_private.h
+++ b/dlls/mshtml/mshtml_private.h
@@ -406,7 +406,7 @@ static inline ULONG htmldoc_release(HTMLDocument *This)
 struct HTMLDocumentObj {
     HTMLDocument basedoc;
     DispatchEx dispex;
-    const ICustomDocVtbl  *lpCustomDocVtbl;
+    ICustomDoc ICustomDoc_iface;
 
     LONG ref;
 
@@ -624,8 +624,6 @@ struct HTMLDocumentNode {
     struct list plugin_hosts;
 };
 
-#define CUSTOMDOC(x)     ((ICustomDoc*)                   &(x)->lpCustomDocVtbl)
-
 #define NSEVENTLIST(x)   ((nsIDOMEventListener*)          &(x)->lpDOMEventListenerVtbl)
 
 #define HTTPNEG(x)       ((IHttpNegotiate2*)              &(x)->lpHttpNegotiate2Vtbl)