1 files changed, 84 insertions, 0 deletions
diff --git a/layout/forms/nsProgressFrame.h b/layout/forms/nsProgressFrame.h
new file mode 100644
index 0000000000..7d3618ee96
--- /dev/null
+++ b/layout/forms/nsProgressFrame.h
@@ -0,0 +1,84 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef nsProgressFrame_h___
+#define nsProgressFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsContainerFrame.h"
+#include "nsIAnonymousContentCreator.h"
+#include "nsCOMPtr.h"
+
+namespace mozilla {
+enum class PseudoStyleType : uint8_t;
+}  // namespace mozilla
+
+class nsProgressFrame final : public nsContainerFrame,
+                              public nsIAnonymousContentCreator {
+  typedef mozilla::PseudoStyleType PseudoStyleType;
+  typedef mozilla::dom::Element Element;
+
+ public:
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS(nsProgressFrame)
+
+  explicit nsProgressFrame(ComputedStyle* aStyle, nsPresContext* aPresContext);
+  virtual ~nsProgressFrame();
+
+  void Destroy(DestroyContext&) override;
+
+  virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+                                const nsDisplayListSet& aLists) override;
+
+  virtual void Reflow(nsPresContext* aCX, ReflowOutput& aDesiredSize,
+                      const ReflowInput& aReflowInput,
+                      nsReflowStatus& aStatus) override;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override {
+    return MakeFrameName(u"Progress"_ns, aResult);
+  }
+#endif
+
+  // nsIAnonymousContentCreator
+  virtual nsresult CreateAnonymousContent(
+      nsTArray<ContentInfo>& aElements) override;
+  virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
+                                        uint32_t aFilter) override;
+
+  virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
+                                    int32_t aModType) override;
+
+  virtual mozilla::LogicalSize ComputeAutoSize(
+      gfxContext* aRenderingContext, mozilla::WritingMode aWM,
+      const mozilla::LogicalSize& aCBSize, nscoord aAvailableISize,
+      const mozilla::LogicalSize& aMargin,
+      const mozilla::LogicalSize& aBorderPadding,
+      const mozilla::StyleSizeOverrides& aSizeOverrides,
+      mozilla::ComputeSizeFlags aFlags) override;
+
+  virtual nscoord GetMinISize(gfxContext* aRenderingContext) override;
+  virtual nscoord GetPrefISize(gfxContext* aRenderingContext) override;
+
+  /**
+   * Returns whether the frame and its child should use the native style.
+   */
+  bool ShouldUseNativeStyle() const;
+
+ protected:
+  // Helper function to reflow a child frame.
+  void ReflowChildFrame(nsIFrame* aChild, nsPresContext* aPresContext,
+                        const ReflowInput& aReflowInput,
+                        nsReflowStatus& aStatus);
+
+  /**
+   * The div used to show the progress bar.
+   * @see nsProgressFrame::CreateAnonymousContent
+   */
+  nsCOMPtr<Element> mBarDiv;
+};
+
+#endif