import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

layout/xul/nsProgressMeterFrame.h

@@ -0,0 +1,46 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/**
+
+  David Hyatt & Eric D Vaughan.
+
+  An XBL-based progress meter. 
+
+  Attributes:
+
+  value: A number between 0% and 100%
+  align: horizontal or vertical
+  mode: determined, undetermined (one shows progress other shows animated candy cane)
+
+**/
+
+#include "mozilla/Attributes.h"
+#include "nsBoxFrame.h"
+
+class nsProgressMeterFrame : public nsBoxFrame
+{
+public:
+  NS_DECL_FRAMEARENA_HELPERS
+
+  friend nsIFrame* NS_NewProgressMeterFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
+
+  NS_IMETHOD DoXULLayout(nsBoxLayoutState& aBoxLayoutState) override;
+
+  virtual nsresult AttributeChanged(int32_t aNameSpaceID,
+                                    nsIAtom* aAttribute,
+                                    int32_t aModType) override;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+protected:
+  explicit nsProgressMeterFrame(nsStyleContext* aContext) :
+    nsBoxFrame(aContext), mNeedsReflowCallback(true) {}
+  virtual ~nsProgressMeterFrame();
+
+  bool mNeedsReflowCallback;
+}; // class nsProgressMeterFrame