1 files changed, 136 insertions, 0 deletions
diff --git a/layout/generic/nsPageFrame.h b/layout/generic/nsPageFrame.h
new file mode 100644
index 000000000..aab2ac7b8
--- /dev/null
+++ b/layout/generic/nsPageFrame.h
@@ -0,0 +1,136 @@
+/* -*- 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/. */
+#ifndef nsPageFrame_h___
+#define nsPageFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsContainerFrame.h"
+#include "nsLeafFrame.h"
+
+class nsFontMetrics;
+class nsSharedPageData;
+
+// Page frame class used by the simple page sequence frame
+class nsPageFrame final : public nsContainerFrame {
+
+public:
+  NS_DECL_QUERYFRAME_TARGET(nsPageFrame)
+  NS_DECL_QUERYFRAME
+  NS_DECL_FRAMEARENA_HELPERS
+
+  friend nsPageFrame* NS_NewPageFrame(nsIPresShell* aPresShell,
+                                      nsStyleContext* aContext);
+
+  virtual void Reflow(nsPresContext*      aPresContext,
+                      ReflowOutput& aDesiredSize,
+                      const ReflowInput& aMaxSize,
+                      nsReflowStatus&      aStatus) override;
+
+  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
+                                const nsRect&           aDirtyRect,
+                                const nsDisplayListSet& aLists) override;
+
+  /**
+   * Get the "type" of the frame
+   *
+   * @see nsGkAtoms::pageFrame
+   */
+  virtual nsIAtom* GetType() const override;
+  
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult  GetFrameName(nsAString& aResult) const override;
+#endif
+
+  //////////////////
+  // For Printing
+  //////////////////
+
+  // Tell the page which page number it is out of how many
+  virtual void  SetPageNumInfo(int32_t aPageNumber, int32_t aTotalPages);
+
+  virtual void SetSharedPageData(nsSharedPageData* aPD);
+
+  // We must allow Print Preview UI to have a background, no matter what the
+  // user's settings
+  virtual bool HonorPrintBackgroundSettings() override { return false; }
+
+  void PaintHeaderFooter(nsRenderingContext& aRenderingContext,
+                         nsPoint aPt, bool aSubpixelAA);
+
+protected:
+  explicit nsPageFrame(nsStyleContext* aContext);
+  virtual ~nsPageFrame();
+
+  typedef enum {
+    eHeader,
+    eFooter
+  } nsHeaderFooterEnum;
+
+  nscoord GetXPosition(nsRenderingContext& aRenderingContext,
+                       nsFontMetrics&       aFontMetrics,
+                       const nsRect&        aRect, 
+                       int32_t              aJust,
+                       const nsString&      aStr);
+
+  void DrawHeaderFooter(nsRenderingContext& aRenderingContext,
+                        nsFontMetrics&       aFontMetrics,
+                        nsHeaderFooterEnum   aHeaderFooter,
+                        int32_t              aJust,
+                        const nsString&      sStr,
+                        const nsRect&        aRect,
+                        nscoord              aHeight,
+                        nscoord              aAscent,
+                        nscoord              aWidth);
+
+  void DrawHeaderFooter(nsRenderingContext& aRenderingContext,
+                        nsFontMetrics&       aFontMetrics,
+                        nsHeaderFooterEnum   aHeaderFooter,
+                        const nsString&      aStrLeft,
+                        const nsString&      aStrRight,
+                        const nsString&      aStrCenter,
+                        const nsRect&        aRect,
+                        nscoord              aAscent,
+                        nscoord              aHeight);
+
+  void ProcessSpecialCodes(const nsString& aStr, nsString& aNewStr);
+
+  int32_t     mPageNum;
+  int32_t     mTotNumPages;
+
+  nsSharedPageData* mPD;
+  nsMargin mPageContentMargin;
+};
+
+
+class nsPageBreakFrame : public nsLeafFrame
+{
+  NS_DECL_FRAMEARENA_HELPERS
+
+  explicit nsPageBreakFrame(nsStyleContext* aContext);
+  ~nsPageBreakFrame();
+
+  virtual void Reflow(nsPresContext*          aPresContext,
+                          ReflowOutput&     aDesiredSize,
+                          const ReflowInput& aReflowInput,
+                          nsReflowStatus&          aStatus) override;
+
+  virtual nsIAtom* GetType() const override;
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult  GetFrameName(nsAString& aResult) const override;
+#endif
+
+protected:
+
+  virtual nscoord GetIntrinsicISize() override;
+  virtual nscoord GetIntrinsicBSize() override;
+
+    bool mHaveReflowed;
+
+    friend nsIFrame* NS_NewPageBreakFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
+};
+
+#endif /* nsPageFrame_h___ */
+