1 files changed, 86 insertions, 0 deletions
diff --git a/layout/printing/nsPrintObject.h b/layout/printing/nsPrintObject.h
new file mode 100644
index 0000000000..781f077ae6
--- /dev/null
+++ b/layout/printing/nsPrintObject.h
@@ -0,0 +1,86 @@
+/* -*- 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 nsPrintObject_h___
+#define nsPrintObject_h___
+
+#include "mozilla/Attributes.h"
+#include "mozilla/UniquePtr.h"
+
+// Interfaces
+#include "nsCOMPtr.h"
+#include "nsViewManager.h"
+#include "nsIDocShell.h"
+#include "nsIDocShellTreeOwner.h"
+
+class nsIContent;
+class nsPresContext;
+
+namespace mozilla {
+class PresShell;
+}  // namespace mozilla
+
+// nsPrintObject Document Type
+enum PrintObjectType { eDoc = 0, eFrame = 1, eIFrame = 2, eFrameSet = 3 };
+
+//---------------------------------------------------
+//-- nsPrintObject Class
+//---------------------------------------------------
+class nsPrintObject {
+ public:
+  nsPrintObject();
+  ~nsPrintObject();  // non-virtual
+
+  nsresult InitAsRootObject(nsIDocShell* aDocShell,
+                            mozilla::dom::Document* aDoc,
+                            bool aForPrintPreview);
+  nsresult InitAsNestedObject(nsIDocShell* aDocShell,
+                              mozilla::dom::Document* aDoc,
+                              nsPrintObject* aParent);
+
+  void DestroyPresentation();
+
+  /**
+   * Recursively sets all the PO items to be printed
+   * from the given item down into the tree
+   */
+  void EnablePrinting(bool aEnable);
+
+  /**
+   * Recursively sets all the PO items to be printed if they have a selection.
+   */
+  void EnablePrintingSelectionOnly();
+
+  bool PrintingIsEnabled() const { return mPrintingIsEnabled; }
+
+  bool HasSelection() const;
+
+  // Data Members
+  nsCOMPtr<nsIDocShell> mDocShell;
+  nsCOMPtr<nsIDocShellTreeOwner> mTreeOwner;
+  RefPtr<mozilla::dom::Document> mDocument;
+
+  RefPtr<nsPresContext> mPresContext;
+  RefPtr<mozilla::PresShell> mPresShell;
+  RefPtr<nsViewManager> mViewManager;
+
+  nsCOMPtr<nsIContent> mContent;
+  PrintObjectType mFrameType;
+
+  nsTArray<mozilla::UniquePtr<nsPrintObject>> mKids;
+  nsPrintObject* mParent;  // This is a non-owning pointer.
+  bool mHasBeenPrinted;
+  bool mInvisible;  // Indicates PO is set to not visible by CSS
+  bool mDidCreateDocShell;
+  float mShrinkRatio;
+  float mZoomRatio;
+
+ private:
+  nsPrintObject& operator=(const nsPrintObject& aOther) = delete;
+
+  bool mPrintingIsEnabled = false;
+};
+
+#endif /* nsPrintObject_h___ */