mshtml: Added PluginHost::GetWindowContext implementation.

dlls/mshtml/Makefile.in

@@ -47,6 +47,7 @@ C_SRCS = \
 	htmltextcont.c \
 	htmltextnode.c \
 	htmlwindow.c \
+	ipwindow.c \
 	loadopts.c \
 	main.c \
 	mutation.c \

dlls/mshtml/pluginhost.c

@@ -639,8 +639,41 @@ static HRESULT WINAPI PHInPlaceSite_GetWindowContext(IOleInPlaceSiteEx *iface,
         RECT *lprcClipRect, OLEINPLACEFRAMEINFO *frame_info)
 {
     PluginHost *This = impl_from_IOleInPlaceSiteEx(iface);
-    FIXME("(%p)->(%p %p %p %p %p)\n", This, ppFrame, ppDoc, lprcPosRect, lprcClipRect, frame_info);
-    return E_NOTIMPL;
+    IOleInPlaceUIWindow *ip_window;
+    IOleInPlaceFrame *ip_frame;
+    RECT pr, cr;
+    HRESULT hres;
+
+    TRACE("(%p)->(%p %p %p %p %p)\n", This, ppFrame, ppDoc, lprcPosRect, lprcClipRect, frame_info);
+
+    if(!This->doc || !This->doc->basedoc.doc_obj || !This->doc->basedoc.doc_obj->ipsite) {
+        FIXME("No ipsite\n");
+        return E_UNEXPECTED;
+    }
+
+    hres = IOleInPlaceSite_GetWindowContext(This->doc->basedoc.doc_obj->ipsite, &ip_frame, &ip_window, &pr, &cr, frame_info);
+    if(FAILED(hres)) {
+        WARN("GetWindowContext failed: %08x\n", hres);
+        return hres;
+    }
+
+    if(ip_window)
+        IOleInPlaceUIWindow_Release(ip_window);
+    if(ip_frame)
+        IOleInPlaceFrame_Release(ip_frame);
+
+    hres = create_ip_frame(&ip_frame);
+    if(FAILED(hres))
+        return hres;
+
+    hres = create_ip_window(ppDoc);
+    if(FAILED(hres))
+        return hres;
+
+    *ppFrame = ip_frame;
+    *lprcPosRect = This->rect;
+    *lprcClipRect = This->rect;
+    return S_OK;
 }
 
 static HRESULT WINAPI PHInPlaceSite_Scroll(IOleInPlaceSiteEx *iface, SIZE scrollExtent)

dlls/mshtml/pluginhost.h

@@ -55,3 +55,6 @@ void update_plugin_window(PluginHost*,HWND,const RECT*);
 void detach_plugin_host(PluginHost*);
 
 HRESULT create_param_prop_bag(nsIDOMHTMLElement*,IPropertyBag**);
+
+HRESULT create_ip_window(IOleInPlaceUIWindow**);
+HRESULT create_ip_frame(IOleInPlaceFrame**);