Properly implement DllCanUnloadNow ref counting. Make sure the mozilla

control is ready to unload as well.

dlls/shdocvw/classinfo.c

@@ -38,31 +38,25 @@ WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
 static HRESULT WINAPI WBPCI_QueryInterface(LPPROVIDECLASSINFO iface,
                                            REFIID riid, LPVOID *ppobj)
 {
-    IProvideClassInfoImpl *This = (IProvideClassInfoImpl *)iface;
+    FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
+
+    if (ppobj == NULL) return E_POINTER;
 
-    FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
     return E_NOINTERFACE;
 }
 
 static ULONG WINAPI WBPCI_AddRef(LPPROVIDECLASSINFO iface)
 {
-    IProvideClassInfoImpl *This = (IProvideClassInfoImpl *)iface;
+    SHDOCVW_LockModule();
-    ULONG refCount = InterlockedIncrement(&This->ref);
 
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
+    return 2; /* non-heap based object */
-
-    return refCount;
 }
 
 static ULONG WINAPI WBPCI_Release(LPPROVIDECLASSINFO iface)
 {
-    IProvideClassInfoImpl *This = (IProvideClassInfoImpl *)iface;
+    SHDOCVW_UnlockModule();
-    ULONG refCount = InterlockedDecrement(&This->ref);
 
-    /* static class, won't be freed */
+    return 1; /* non-heap based object */
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
-
-    return refCount;
 }
 
 /* Return an ITypeInfo interface to retrieve type library info about
@@ -86,7 +80,7 @@ static IProvideClassInfoVtbl WBPCI_Vtbl =
     WBPCI_GetClassInfo
 };
 
-IProvideClassInfoImpl SHDOCVW_ProvideClassInfo = { &WBPCI_Vtbl, 1 };
+IProvideClassInfoImpl SHDOCVW_ProvideClassInfo = { &WBPCI_Vtbl};
 
 
 /**********************************************************************
@@ -97,31 +91,25 @@ IProvideClassInfoImpl SHDOCVW_ProvideClassInfo = { &WBPCI_Vtbl, 1 };
 static HRESULT WINAPI WBPCI2_QueryInterface(LPPROVIDECLASSINFO2 iface,
                                             REFIID riid, LPVOID *ppobj)
 {
-    IProvideClassInfo2Impl *This = (IProvideClassInfo2Impl *)iface;
+    FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 
-    FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
+    if (ppobj == NULL) return E_POINTER;
+    
     return E_NOINTERFACE;
 }
 
 static ULONG WINAPI WBPCI2_AddRef(LPPROVIDECLASSINFO2 iface)
 {
-    IProvideClassInfo2Impl *This = (IProvideClassInfo2Impl *)iface;
+    SHDOCVW_LockModule();
-    ULONG refCount = InterlockedIncrement(&This->ref);
 
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
+    return 2; /* non-heap based object */
-
-    return refCount;
 }
 
 static ULONG WINAPI WBPCI2_Release(LPPROVIDECLASSINFO2 iface)
 {
-    IProvideClassInfo2Impl *This = (IProvideClassInfo2Impl *)iface;
+    SHDOCVW_UnlockModule();
-    ULONG refCount = InterlockedDecrement(&This->ref);
 
-    /* static class, won't be freed */
+    return 1; /* non-heap based object */
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
-
-    return refCount;
 }
 
 /* Return an ITypeInfo interface to retrieve type library info about
@@ -175,4 +163,4 @@ static IProvideClassInfo2Vtbl WBPCI2_Vtbl =
     WBPCI2_GetGUID
 };
 
-IProvideClassInfo2Impl SHDOCVW_ProvideClassInfo2 = { &WBPCI2_Vtbl, 1 };
+IProvideClassInfo2Impl SHDOCVW_ProvideClassInfo2 = { &WBPCI2_Vtbl};

dlls/shdocvw/events.c

@@ -38,31 +38,25 @@ static const GUID IID_INotifyDBEvents =
 static HRESULT WINAPI WBCPC_QueryInterface(LPCONNECTIONPOINTCONTAINER iface,
                                            REFIID riid, LPVOID *ppobj)
 {
-    IConnectionPointContainerImpl *This = (IConnectionPointContainerImpl *)iface;
+    FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 
-    FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
+    if (ppobj == NULL) return E_POINTER;
+    
     return E_NOINTERFACE;
 }
 
 static ULONG WINAPI WBCPC_AddRef(LPCONNECTIONPOINTCONTAINER iface)
 {
-    IConnectionPointContainerImpl *This = (IConnectionPointContainerImpl *)iface;
+    SHDOCVW_LockModule();
-    ULONG refCount = InterlockedIncrement(&This->ref);
 
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
+    return 2; /* non-heap based object */
-
-    return refCount;
 }
 
 static ULONG WINAPI WBCPC_Release(LPCONNECTIONPOINTCONTAINER iface)
 {
-    IConnectionPointContainerImpl *This = (IConnectionPointContainerImpl *)iface;
+    SHDOCVW_UnlockModule();
-    ULONG refCount = InterlockedDecrement(&This->ref);
 
-    /* static class, won't be freed */
+    return 1; /* non-heap based object */
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
-
-    return refCount;
 }
 
 /* Get a list of connection points inside this container. */
@@ -116,7 +110,7 @@ static IConnectionPointContainerVtbl WBCPC_Vtbl =
     WBCPC_FindConnectionPoint
 };
 
-IConnectionPointContainerImpl SHDOCVW_ConnectionPointContainer = { &WBCPC_Vtbl, 1 };
+IConnectionPointContainerImpl SHDOCVW_ConnectionPointContainer = {&WBCPC_Vtbl};
 
 
 /**********************************************************************
@@ -126,31 +120,25 @@ IConnectionPointContainerImpl SHDOCVW_ConnectionPointContainer = { &WBCPC_Vtbl,
 static HRESULT WINAPI WBCP_QueryInterface(LPCONNECTIONPOINT iface,
                                           REFIID riid, LPVOID *ppobj)
 {
-    IConnectionPointImpl *This = (IConnectionPointImpl *)iface;
+    FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 
-    FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
+    if (ppobj == NULL) return E_POINTER;
+    
     return E_NOINTERFACE;
 }
 
 static ULONG WINAPI WBCP_AddRef(LPCONNECTIONPOINT iface)
 {
-    IConnectionPointImpl *This = (IConnectionPointImpl *)iface;
+    SHDOCVW_LockModule();
-    ULONG refCount = InterlockedIncrement(&This->ref);
 
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
+    return 2; /* non-heap based object */
-
-    return refCount;
 }
 
 static ULONG WINAPI WBCP_Release(LPCONNECTIONPOINT iface)
 {
-    IConnectionPointImpl *This = (IConnectionPointImpl *)iface;
+    SHDOCVW_UnlockModule();
-    ULONG refCount = InterlockedDecrement(&This->ref);
 
-    /* static class, won't be freed */
+    return 1; /* non-heap based object */
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
-
-    return refCount;
 }
 
 static HRESULT WINAPI WBCP_GetConnectionInterface(LPCONNECTIONPOINT iface, IID* pIId)
@@ -217,4 +205,4 @@ static IConnectionPointVtbl WBCP_Vtbl =
     WBCP_EnumConnections
 };
 
-IConnectionPointImpl SHDOCVW_ConnectionPoint = { &WBCP_Vtbl, 1 };
+IConnectionPointImpl SHDOCVW_ConnectionPoint = {&WBCP_Vtbl};

dlls/shdocvw/factory.c

@@ -36,16 +36,10 @@ WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
 static HRESULT WINAPI WBCF_QueryInterface(LPCLASSFACTORY iface,
                                           REFIID riid, LPVOID *ppobj)
 {
-    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
+    FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
-
+    
-    TRACE ("\n");
+    if (ppobj == NULL) return E_POINTER;
-
+    
-    /*
-     * Perform a sanity check on the parameters.
-     */
-    if ((This == NULL) || (ppobj == NULL) )
-        return E_INVALIDARG;
-
     return E_NOINTERFACE;
 }
 
@@ -54,12 +48,9 @@ static HRESULT WINAPI WBCF_QueryInterface(LPCLASSFACTORY iface,
  */
 static ULONG WINAPI WBCF_AddRef(LPCLASSFACTORY iface)
 {
-    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
+    SHDOCVW_LockModule();
-    ULONG refCount = InterlockedIncrement(&This->ref);
 
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
+    return 2; /* non-heap based object */
-
-    return refCount;
 }
 
 /************************************************************************
@@ -67,13 +58,9 @@ static ULONG WINAPI WBCF_AddRef(LPCLASSFACTORY iface)
  */
 static ULONG WINAPI WBCF_Release(LPCLASSFACTORY iface)
 {
-    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
+    SHDOCVW_UnlockModule();
-    ULONG refCount = InterlockedDecrement(&This->ref);
 
-    /* static class, won't be freed */
+    return 1; /* non-heap based object */
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
-
-    return refCount;
 }
 
 /************************************************************************
@@ -108,8 +95,13 @@ static HRESULT WINAPI WBCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter
  */
 static HRESULT WINAPI WBCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
 {
-    IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
+    TRACE("(%d)\n", dolock);
-    FIXME("(%p)->(%d),stub!\n", This, dolock);
+
+    if (dolock)
+	    SHDOCVW_LockModule();
+    else
+	    SHDOCVW_UnlockModule();
+    
     return S_OK;
 }
 
@@ -122,4 +114,4 @@ static IClassFactoryVtbl WBCF_Vtbl =
     WBCF_LockServer
 };
 
-IClassFactoryImpl SHDOCVW_ClassFactory = { &WBCF_Vtbl, 1 };
+IClassFactoryImpl SHDOCVW_ClassFactory = {&WBCF_Vtbl};

dlls/shdocvw/misc.c

@@ -32,31 +32,25 @@ WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
 static HRESULT WINAPI WBQA_QueryInterface(LPQUICKACTIVATE iface,
                                           REFIID riid, LPVOID *ppobj)
 {
-    IQuickActivateImpl *This = (IQuickActivateImpl *)iface;
+    FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 
-    FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
+    if (ppobj == NULL) return E_POINTER;
+    
     return E_NOINTERFACE;
 }
 
 static ULONG WINAPI WBQA_AddRef(LPQUICKACTIVATE iface)
 {
-    IQuickActivateImpl *This = (IQuickActivateImpl *)iface;
+    SHDOCVW_LockModule();
-    ULONG refCount = InterlockedIncrement(&This->ref);
 
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
+    return 2; /* non-heap based object */
-
-    return refCount;
 }
 
 static ULONG WINAPI WBQA_Release(LPQUICKACTIVATE iface)
 {
-    IQuickActivateImpl *This = (IQuickActivateImpl *)iface;
+    SHDOCVW_UnlockModule();
-    ULONG refCount = InterlockedDecrement(&This->ref);
 
-    /* static class, won't be freed */
+    return 1; /* non-heap based object */
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
-
-    return refCount;
 }
 
 /* Alternative interface for quicker, easier activation of a control. */
@@ -94,7 +88,7 @@ static IQuickActivateVtbl WBQA_Vtbl =
     WBQA_GetContentExtent
 };
 
-IQuickActivateImpl SHDOCVW_QuickActivate = { &WBQA_Vtbl, 1 };
+IQuickActivateImpl SHDOCVW_QuickActivate = {&WBQA_Vtbl};
 
 /**********************************************************************
  * OpenURL  (SHDOCVW.@)

dlls/shdocvw/oleobject.c

@@ -143,12 +143,9 @@ static HRESULT WINAPI WBOOBJ_QueryInterface(LPOLEOBJECT iface,
  */
 static ULONG WINAPI WBOOBJ_AddRef(LPOLEOBJECT iface)
 {
-    IOleObjectImpl *This = (IOleObjectImpl *)iface;
+    SHDOCVW_LockModule();
-    ULONG refCount = InterlockedIncrement(&This->ref);
 
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
+    return 2; /* non-heap based object */
-
-    return refCount;
 }
 
 /************************************************************************
@@ -156,13 +153,9 @@ static ULONG WINAPI WBOOBJ_AddRef(LPOLEOBJECT iface)
  */
 static ULONG WINAPI WBOOBJ_Release(LPOLEOBJECT iface)
 {
-    IOleObjectImpl *This = (IOleObjectImpl *)iface;
+    SHDOCVW_UnlockModule();
-    ULONG refCount = InterlockedDecrement(&This->ref);
 
-    /* static class, won't be freed */
+    return 1; /* non-heap based object */
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
-
-    return refCount;
 }
 
 /************************************************************************
@@ -442,7 +435,7 @@ static IOleObjectVtbl WBOOBJ_Vtbl =
     WBOOBJ_SetColorScheme
 };
 
-IOleObjectImpl SHDOCVW_OleObject = { &WBOOBJ_Vtbl, 1 };
+IOleObjectImpl SHDOCVW_OleObject = {&WBOOBJ_Vtbl};
 
 
 /**********************************************************************
@@ -452,31 +445,25 @@ IOleObjectImpl SHDOCVW_OleObject = { &WBOOBJ_Vtbl, 1 };
 static HRESULT WINAPI WBOIPO_QueryInterface(LPOLEINPLACEOBJECT iface,
                                             REFIID riid, LPVOID *ppobj)
 {
-    IOleInPlaceObjectImpl *This = (IOleInPlaceObjectImpl *)iface;
+    FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 
-    FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
+    if (ppobj == NULL) return E_POINTER;
+    
     return E_NOINTERFACE;
 }
 
 static ULONG WINAPI WBOIPO_AddRef(LPOLEINPLACEOBJECT iface)
 {
-    IOleInPlaceObjectImpl *This = (IOleInPlaceObjectImpl *)iface;
+    SHDOCVW_LockModule();
-    ULONG refCount = InterlockedIncrement(&This->ref);
 
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
+    return 2; /* non-heap based object */
-
-    return refCount;
 }
 
 static ULONG WINAPI WBOIPO_Release(LPOLEINPLACEOBJECT iface)
 {
-    IOleInPlaceObjectImpl *This = (IOleInPlaceObjectImpl *)iface;
+    SHDOCVW_UnlockModule();
-    ULONG refCount = InterlockedDecrement(&This->ref);
 
-    /* static class, won't be freed */
+    return 1; /* non-heap based object */
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
-
-    return refCount;
 }
 
 static HRESULT WINAPI WBOIPO_GetWindow(LPOLEINPLACEOBJECT iface, HWND* phwnd)
@@ -548,7 +535,7 @@ static IOleInPlaceObjectVtbl WBOIPO_Vtbl =
     WBOIPO_ReactivateAndUndo
 };
 
-IOleInPlaceObjectImpl SHDOCVW_OleInPlaceObject = { &WBOIPO_Vtbl, 1 };
+IOleInPlaceObjectImpl SHDOCVW_OleInPlaceObject = {&WBOIPO_Vtbl};
 
 
 /**********************************************************************
@@ -558,31 +545,25 @@ IOleInPlaceObjectImpl SHDOCVW_OleInPlaceObject = { &WBOIPO_Vtbl, 1 };
 static HRESULT WINAPI WBOC_QueryInterface(LPOLECONTROL iface,
                                           REFIID riid, LPVOID *ppobj)
 {
-    IOleControlImpl *This = (IOleControlImpl *)iface;
+    FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 
-    FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
+    if (ppobj == NULL) return E_POINTER;
+    
     return E_NOINTERFACE;
 }
 
 static ULONG WINAPI WBOC_AddRef(LPOLECONTROL iface)
 {
-    IOleControlImpl *This = (IOleControlImpl *)iface;
+    SHDOCVW_LockModule();
-    ULONG refCount = InterlockedIncrement(&This->ref);
 
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
+    return 2; /* non-heap based object */
-
-    return refCount;
 }
 
 static ULONG WINAPI WBOC_Release(LPOLECONTROL iface)
 {
-    IOleControlImpl *This = (IOleControlImpl *)iface;
+    SHDOCVW_UnlockModule();
-    ULONG refCount = InterlockedDecrement(&This->ref);
 
-    /* static class, won't be freed */
+    return 1; /* non-heap based object */
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
-
-    return refCount;
 }
 
 static HRESULT WINAPI WBOC_GetControlInfo(LPOLECONTROL iface, LPCONTROLINFO pCI)
@@ -624,4 +605,4 @@ static IOleControlVtbl WBOC_Vtbl =
     WBOC_FreezeEvents
 };
 
-IOleControlImpl SHDOCVW_OleControl = { &WBOC_Vtbl, 1 };
+IOleControlImpl SHDOCVW_OleControl = {&WBOC_Vtbl};

dlls/shdocvw/persist.c

@@ -30,31 +30,25 @@ WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
 static HRESULT WINAPI WBPS_QueryInterface(LPPERSISTSTORAGE iface,
                                           REFIID riid, LPVOID *ppobj)
 {
-    IPersistStorageImpl *This = (IPersistStorageImpl *)iface;
+    FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 
-    FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
+    if (ppobj == NULL) return E_POINTER;
+    
     return E_NOINTERFACE;
 }
 
 static ULONG WINAPI WBPS_AddRef(LPPERSISTSTORAGE iface)
 {
-    IPersistStorageImpl *This = (IPersistStorageImpl *)iface;
+    SHDOCVW_LockModule();
-    ULONG refCount = InterlockedIncrement(&This->ref);
 
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
+    return 2; /* non-heap based object */
-
-    return refCount;
 }
 
 static ULONG WINAPI WBPS_Release(LPPERSISTSTORAGE iface)
 {
-    IPersistStorageImpl *This = (IPersistStorageImpl *)iface;
+    SHDOCVW_UnlockModule();
-    ULONG refCount = InterlockedDecrement(&This->ref);
 
-    /* static class, won't be freed */
+    return 1; /* non-heap based object */
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
-
-    return refCount;
 }
 
 static HRESULT WINAPI WBPS_GetClassID(LPPERSISTSTORAGE iface, CLSID *pClassID)
@@ -111,7 +105,7 @@ static IPersistStorageVtbl WBPS_Vtbl =
     WBPS_SaveCompleted
 };
 
-IPersistStorageImpl SHDOCVW_PersistStorage = { &WBPS_Vtbl, 1 };
+IPersistStorageImpl SHDOCVW_PersistStorage = {&WBPS_Vtbl};
 
 
 /**********************************************************************
@@ -121,31 +115,25 @@ IPersistStorageImpl SHDOCVW_PersistStorage = { &WBPS_Vtbl, 1 };
 static HRESULT WINAPI WBPSI_QueryInterface(LPPERSISTSTREAMINIT iface,
                                            REFIID riid, LPVOID *ppobj)
 {
-    IPersistStreamInitImpl *This = (IPersistStreamInitImpl *)iface;
+    FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 
-    FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
+    if (ppobj == NULL) return E_POINTER;
+    
     return E_NOINTERFACE;
 }
 
 static ULONG WINAPI WBPSI_AddRef(LPPERSISTSTREAMINIT iface)
 {
-    IPersistStreamInitImpl *This = (IPersistStreamInitImpl *)iface;
+    SHDOCVW_LockModule();
-    ULONG refCount = InterlockedIncrement(&This->ref);
 
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
+    return 2; /* non-heap based object */
-
-    return refCount;
 }
 
 static ULONG WINAPI WBPSI_Release(LPPERSISTSTREAMINIT iface)
 {
-    IPersistStreamInitImpl *This = (IPersistStreamInitImpl *)iface;
+    SHDOCVW_UnlockModule();
-    ULONG refCount = InterlockedDecrement(&This->ref);
 
-    /* static class, won't be freed */
+    return 1; /* non-heap based object */
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
-
-    return refCount;
 }
 
 static HRESULT WINAPI WBPSI_GetClassID(LPPERSISTSTREAMINIT iface, CLSID *pClassID)
@@ -203,4 +191,4 @@ static IPersistStreamInitVtbl WBPSI_Vtbl =
     WBPSI_InitNew
 };
 
-IPersistStreamInitImpl SHDOCVW_PersistStreamInit = { &WBPSI_Vtbl, 1 };
+IPersistStreamInitImpl SHDOCVW_PersistStreamInit = {&WBPSI_Vtbl};

dlls/shdocvw/shdocvw.h

@@ -190,4 +190,11 @@ typedef struct
 
 extern IConnectionPointImpl SHDOCVW_ConnectionPoint;
 
+/**********************************************************************
+ * Dll lifetime tracking declaration for shdocvw.dll
+ */
+extern LONG SHDOCVW_refCount;
+static inline void SHDOCVW_LockModule() { InterlockedIncrement( &SHDOCVW_refCount ); }
+static inline void SHDOCVW_UnlockModule() { InterlockedDecrement( &SHDOCVW_refCount ); }
+
 #endif /* __WINE_SHDOCVW_H */

dlls/shdocvw/shdocvw_main.c

@@ -47,6 +47,8 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
 
+LONG SHDOCVW_refCount = 0;
+
 static const WCHAR szMozDlPath[] = {
     'S','o','f','t','w','a','r','e','\\','W','i','n','e','\\',
     's','h','d','o','c','v','w',0
@@ -55,6 +57,7 @@ static const WCHAR szMozDlPath[] = {
 DEFINE_GUID( CLSID_MozillaBrowser, 0x1339B54C,0x3453,0x11D2,0x93,0xB9,0x00,0x00,0x00,0x00,0x00,0x00);
 
 typedef HRESULT (WINAPI *fnGetClassObject)(REFCLSID rclsid, REFIID iid, LPVOID *ppv);
+typedef HRESULT (WINAPI *fnCanUnloadNow)(void);
 
 HINSTANCE shdocvw_hinstance = 0;
 static HMODULE SHDOCVW_hshell32 = 0;
@@ -127,7 +130,20 @@ BOOL WINAPI DllMain(HINSTANCE hinst, DWORD fdwReason, LPVOID fImpLoad)
  */
 HRESULT WINAPI SHDOCVW_DllCanUnloadNow(void)
 {
-    FIXME("(void): stub\n");
+    HRESULT moz_can_unload = S_FALSE;
+    fnCanUnloadNow pCanUnloadNow;
+
+    if (hMozCtl)
+    {
+        pCanUnloadNow = (fnCanUnloadNow)
+            GetProcAddress(hMozCtl, "DllCanUnloadNow");
+        moz_can_unload = pCanUnloadNow();
+    }
+    else
+        moz_can_unload = S_OK;
+
+    if (moz_can_unload == S_OK && SHDOCVW_refCount == 0)
+        return S_OK;
 
     return S_FALSE;
 }
@@ -145,6 +161,8 @@ typedef struct _IBindStatusCallbackImpl {
 static HRESULT WINAPI
 dlQueryInterface( IBindStatusCallback* This, REFIID riid, void** ppvObject )
 {
+    if (ppvObject == NULL) return E_POINTER;
+    
     if( IsEqualIID(riid, &IID_IUnknown) ||
         IsEqualIID(riid, &IID_IBindStatusCallback))
     {
@@ -158,6 +176,9 @@ dlQueryInterface( IBindStatusCallback* This, REFIID riid, void** ppvObject )
 static ULONG WINAPI dlAddRef( IBindStatusCallback* iface )
 {
     IBindStatusCallbackImpl *This = (IBindStatusCallbackImpl *) iface;
+
+    SHDOCVW_LockModule();
+    
     return InterlockedIncrement( &This->ref );
 }
 
@@ -165,11 +186,15 @@ static ULONG WINAPI dlRelease( IBindStatusCallback* iface )
 {
     IBindStatusCallbackImpl *This = (IBindStatusCallbackImpl *) iface;
     DWORD ref = InterlockedDecrement( &This->ref );
+    
     if( !ref )
     {
         DestroyWindow( This->hDialog );
         HeapFree( GetProcessHeap(), 0, This );
     }
+
+    SHDOCVW_UnlockModule();
+    
     return ref;
 }
 

dlls/shdocvw/webbrowser.c

@@ -29,31 +29,25 @@ WINE_DEFAULT_DEBUG_CHANNEL(shdocvw);
 
 static HRESULT WINAPI WB_QueryInterface(IWebBrowser *iface, REFIID riid, LPVOID *ppobj)
 {
-    IWebBrowserImpl *This = (IWebBrowserImpl *)iface;
+    FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
 
-    FIXME("(%p)->(%s,%p),stub!\n", This, debugstr_guid(riid), ppobj);
+    if (ppobj == NULL) return E_POINTER;
+    
     return E_NOINTERFACE;
 }
 
 static ULONG WINAPI WB_AddRef(IWebBrowser *iface)
 {
-    IWebBrowserImpl *This = (IWebBrowserImpl *)iface;
+    SHDOCVW_LockModule();
-    ULONG refCount = InterlockedIncrement(&This->ref);
 
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
+    return 2; /* non-heap based object */
-
-    return refCount;
 }
 
 static ULONG WINAPI WB_Release(IWebBrowser *iface)
 {
-    IWebBrowserImpl *This = (IWebBrowserImpl *)iface;
+    SHDOCVW_UnlockModule();
-    ULONG refCount = InterlockedDecrement(&This->ref);
 
-    /* static class, won't be freed */
+    return 1; /* non-heap based object */
-    TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
-
-    return refCount;
 }
 
 /* IDispatch methods */
@@ -281,4 +275,4 @@ static IWebBrowserVtbl WB_Vtbl =
     WB_get_Busy
 };
 
-IWebBrowserImpl SHDOCVW_WebBrowser = { &WB_Vtbl, 1 };
+IWebBrowserImpl SHDOCVW_WebBrowser = {&WB_Vtbl};