bug #6251: added UpdateAllViews(PRUint32 aUpdateFlags), which will force a complete refresh of all views owned by an nsIViewManager.

view/public/nsIViewManager.h

@@ -135,6 +135,13 @@ public:
    */
   NS_IMETHOD  UpdateView(nsIView *aView, const nsRect &aRect, PRUint32 aUpdateFlags) = 0;
 
+  /**
+   * Called to inform the view manager that it should redraw all views.
+   * @param aView view to paint. should be root view
+   * @param aUpdateFlags see bottom of nsIViewManager.h for description
+   */
+  NS_IMETHOD  UpdateAllViews(PRUint32 aUpdateFlags) = 0;
+
   /**
    * Called to dispatch an event to the appropriate view. Often called
    * as a result of receiving a mouse or keyboard event from the widget

view/src/nsViewManager.cpp

@@ -1472,6 +1472,29 @@ NS_IMETHODIMP nsViewManager :: UpdateView(nsIView *aView, const nsRect &aRect, P
   return NS_OK;
 }
 
+NS_IMETHODIMP nsViewManager::UpdateAllViews(PRUint32 aUpdateFlags)
+{
+	UpdateViews(mRootView, aUpdateFlags);
+	return NS_OK;
+}
+
+void nsViewManager::UpdateViews(nsIView *aView, PRUint32 aUpdateFlags)
+{
+	// update this view.
+	nsRect dirtyRect;
+	aView->GetBounds(dirtyRect);
+	dirtyRect.x = dirtyRect.y = 0;
+	UpdateView(aView, dirtyRect, aUpdateFlags);
+
+	// update all children as well.
+	nsIView* childView = nsnull;
+	aView->GetChild(0, childView);
+	while (nsnull != childView)	{
+		UpdateViews(childView, aUpdateFlags);
+		childView->GetNextSibling(childView);
+	}
+}
+
 NS_IMETHODIMP nsViewManager :: DispatchEvent(nsGUIEvent *aEvent, nsEventStatus &aStatus)
 {
   aStatus = nsEventStatus_eIgnore;

view/src/nsViewManager.h

@@ -58,6 +58,7 @@ public:
   NS_IMETHOD  UpdateView(nsIView *aView, nsIRegion *aRegion,
                          PRUint32 aUpdateFlags);
   NS_IMETHOD  UpdateView(nsIView *aView, const nsRect &aRect, PRUint32 aUpdateFlags);
+  NS_IMETHOD  UpdateAllViews(PRUint32 aUpdateFlags);
 
   NS_IMETHOD  DispatchEvent(nsGUIEvent *aEvent, nsEventStatus &aStatus);
 
@@ -129,6 +130,7 @@ private:
   void UpdateTransCnt(nsIView *oldview, nsIView *newview);
 
   void ProcessPendingUpdates(nsIView *aView);
+  void UpdateViews(nsIView *aView, PRUint32 aUpdateFlags);
 
   void Refresh(nsIView *aView, nsIRenderingContext *aContext,
                nsIRegion *region, PRUint32 aUpdateFlags);