diff --git a/calendar/modules/shell/src/nsCalendarContainer.cpp b/calendar/modules/shell/src/nsCalendarContainer.cpp
index 063e5b30a10a..01137efd2a67 100644
--- a/calendar/modules/shell/src/nsCalendarContainer.cpp
+++ b/calendar/modules/shell/src/nsCalendarContainer.cpp
@@ -52,6 +52,8 @@ static NS_DEFINE_IID(kIViewIID,               NS_IVIEW_IID);
 static NS_DEFINE_IID(kViewCID,                NS_VIEW_CID);
 static NS_DEFINE_IID(kWidgetCID,              NS_CHILD_CID);
 
+static NS_DEFINE_IID(kCCalCanvasCID,          NS_CAL_CANVAS_CID);
+
 // hardcode names of dll's
 #ifdef NS_WIN32
   #define CALUI_DLL   "calui10.dll"
@@ -577,6 +579,7 @@ nsresult nsCalendarContainer::RegisterFactories()
   nsRepository::RegisterFactory(kCCalComponentCID, CALUI_DLL, PR_FALSE, PR_FALSE);
   nsRepository::RegisterFactory(kCCalContextControllerCID, CALUI_DLL, PR_FALSE, PR_FALSE);
   nsRepository::RegisterFactory(kCCalTimebarContextControllerCID, CALUI_DLL, PR_FALSE, PR_FALSE);
+  nsRepository::RegisterFactory(kCCalCanvasCID, CALUI_DLL, PR_FALSE, PR_FALSE);
   nsRepository::RegisterFactory(kCCalMonthContextControllerCID, CALUI_DLL, PR_FALSE, PR_FALSE);
   nsRepository::RegisterFactory(kCCalToolkitCID, CALUI_DLL, PR_FALSE, PR_FALSE);
   nsRepository::RegisterFactory(kCVectorCID, XPFC_DLL, PR_FALSE, PR_FALSE);
diff --git a/calendar/modules/ui/canvas/inc/manifest.mn b/calendar/modules/ui/canvas/inc/manifest.mn
index b90c2626c0fe..f05fd14b3c2b 100644
--- a/calendar/modules/ui/canvas/inc/manifest.mn
+++ b/calendar/modules/ui/canvas/inc/manifest.mn
@@ -23,6 +23,7 @@ PRIVATE_EXPORTS = \
 	nsCalTimebarTimeHeading.h \
 	nsCalTimebarScale.h \
 	nsCalMultiDayViewCanvas.h \
+    nsCalCanvas.h \
 	nsCalDayViewCanvas.h \
     events.h \
 	$(NULL)
diff --git a/calendar/modules/ui/canvas/inc/nsCalTimebarCanvas.h b/calendar/modules/ui/canvas/inc/nsCalTimebarCanvas.h
index cb8a1d5d7fc6..45270cbc2e27 100644
--- a/calendar/modules/ui/canvas/inc/nsCalTimebarCanvas.h
+++ b/calendar/modules/ui/canvas/inc/nsCalTimebarCanvas.h
@@ -23,8 +23,9 @@
 
 #include "nsXPFCCanvas.h"
 #include "nsICalTimeContext.h"
+#include "nsCalCanvas.h"
 
-class nsCalTimebarCanvas : public nsXPFCCanvas
+class nsCalTimebarCanvas : public nsCalCanvas
 
 {
 public:
diff --git a/calendar/modules/ui/canvas/src/manifest.mn b/calendar/modules/ui/canvas/src/manifest.mn
index 5fa34caa9f16..4bcc8db5d9d4 100644
--- a/calendar/modules/ui/canvas/src/manifest.mn
+++ b/calendar/modules/ui/canvas/src/manifest.mn
@@ -29,6 +29,7 @@ CPPSRCS = \
 	nsCalTimebarScale.cpp \
 	nsCalMultiDayViewCanvas.cpp \
 	nsCalDayViewCanvas.cpp \
+    nsCalCanvas.cpp \
     events.cpp \
 	$(NULL)
 
diff --git a/calendar/modules/ui/canvas/src/nsCalTimebarCanvas.cpp b/calendar/modules/ui/canvas/src/nsCalTimebarCanvas.cpp
index 0462eaf74212..eec258fd53a5 100644
--- a/calendar/modules/ui/canvas/src/nsCalTimebarCanvas.cpp
+++ b/calendar/modules/ui/canvas/src/nsCalTimebarCanvas.cpp
@@ -24,7 +24,7 @@ static NS_DEFINE_IID(kCalTimebarCanvasCID, NS_CAL_TIMEBARCANVAS_CID);
 
 #define LOCAL_INSET 1
 
-nsCalTimebarCanvas :: nsCalTimebarCanvas(nsISupports* outer) : nsXPFCCanvas(outer)
+nsCalTimebarCanvas :: nsCalTimebarCanvas(nsISupports* outer) : nsCalCanvas(outer)
 {
   NS_INIT_REFCNT();
   mTimeContext = nsnull;
@@ -52,7 +52,7 @@ nsresult nsCalTimebarCanvas::QueryInterface(REFNSIID aIID, void** aInstancePtr)
     AddRef();                                                            
     return NS_OK;                                                        
   }                                                                      
-  return (nsXPFCCanvas::QueryInterface(aIID, aInstancePtr));
+  return (nsCalCanvas::QueryInterface(aIID, aInstancePtr));
 }
 
 NS_IMPL_ADDREF(nsCalTimebarCanvas)
@@ -156,7 +156,7 @@ nsEventStatus nsCalTimebarCanvas :: PaintBackground(nsIRenderingContext& aRender
    */
 
   nsRect rect;
-  nsXPFCCanvas::PaintBackground(aRenderingContext,aDirtyRect);
+  nsCalCanvas::PaintBackground(aRenderingContext,aDirtyRect);
 
   /*
    * Now paint the TimeContext over the base canvas background
@@ -230,6 +230,6 @@ nsresult nsCalTimebarCanvas::PaintInterval(nsIRenderingContext& aRenderingContex
 
 nsresult nsCalTimebarCanvas :: SetParameter(nsString& aKey, nsString& aValue)
 {
-  return (nsXPFCCanvas::SetParameter(aKey, aValue));
+  return (nsCalCanvas::SetParameter(aKey, aValue));
 }
 
diff --git a/calendar/modules/ui/core/inc/nsCalUICIID.h b/calendar/modules/ui/core/inc/nsCalUICIID.h
index 93f6500a9d37..f6eb0e233c7d 100644
--- a/calendar/modules/ui/core/inc/nsCalUICIID.h
+++ b/calendar/modules/ui/core/inc/nsCalUICIID.h
@@ -68,6 +68,11 @@
 { 0x6e645390, 0xedba, 0x11d1, \
 { 0xbe, 0xc6, 0x00, 0x80, 0x5f, 0x8a, 0x8d, 0xbd } }
 
+//11faca40-4cd5-11d2-924a-00805f8a7ab6
+#define NS_CAL_CANVAS_CID \
+{ 0x11faca40, 0x4cd5, 0x11d2, \
+{ 0x92, 0x4a, 0x00, 0x80, 0x5f, 0x8a, 0x7a, 0xb6 } }
+
 //025d7730-edbc-11d1-bec6-00805f8a8dbd
 #define NS_CAL_TIMEBARCOMPONENTCANVAS_CID \
 { 0x025d7730, 0xedbc, 0x11d1, \
diff --git a/calendar/modules/ui/core/src/nsCalFactory.cpp b/calendar/modules/ui/core/src/nsCalFactory.cpp
index 0630377b608f..4605d161b11e 100644
--- a/calendar/modules/ui/core/src/nsCalFactory.cpp
+++ b/calendar/modules/ui/core/src/nsCalFactory.cpp
@@ -55,6 +55,7 @@ static NS_DEFINE_IID(kICalTimeContext, NS_ICAL_TIME_CONTEXT_IID);
 static NS_DEFINE_IID(kICalContextController, NS_ICAL_CONTEXT_CONTROLLER_IID);
 
 static NS_DEFINE_IID(kCCalTimebarCanvas, NS_CAL_TIMEBARCANVAS_CID);
+static NS_DEFINE_IID(kCCalCanvas, NS_CAL_CANVAS_CID);
 static NS_DEFINE_IID(kCCalStatusCanvas, NS_CAL_STATUSCANVAS_CID);
 static NS_DEFINE_IID(kCCalCommandCanvas, NS_CAL_COMMANDCANVAS_CID);
 static NS_DEFINE_IID(kCCalTimebarComponentCanvas, NS_CAL_TIMEBARCOMPONENTCANVAS_CID);
@@ -185,6 +186,10 @@ nsresult nsCalFactory::CreateInstance(nsISupports *aOuter,
     nsXPFCCanvas * canvas = (nsXPFCCanvas *)new nsCalTimebarCanvas(aOuter);
     canvas->QueryInterface(kISupportsIID,(void **)&inst);
   }
+  else if (mClassID.Equals(kCCalCanvas)) {
+    nsXPFCCanvas * canvas = (nsXPFCCanvas *)new nsCalCanvas(aOuter);
+    canvas->QueryInterface(kISupportsIID,(void **)&inst);
+  }
   else if (mClassID.Equals(kCCalStatusCanvas)) {
     nsXPFCCanvas * canvas = (nsXPFCCanvas *)new nsCalStatusCanvas(aOuter);
     canvas->QueryInterface(kISupportsIID,(void **)&inst);