1 files changed, 86 insertions, 0 deletions
diff --git a/layout/base/nsIDocumentViewerPrint.h b/layout/base/nsIDocumentViewerPrint.h
new file mode 100644
index 000000000..8bc2465a1
--- /dev/null
+++ b/layout/base/nsIDocumentViewerPrint.h
@@ -0,0 +1,86 @@
+/* -*- 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 nsIDocumentViewerPrint_h___
+#define nsIDocumentViewerPrint_h___
+
+#include "nsISupports.h"
+
+class nsIDocument;
+namespace mozilla {
+class StyleSetHandle;
+} // namespace mozilla
+class nsIPresShell;
+class nsPresContext;
+class nsViewManager;
+
+// {c6f255cf-cadd-4382-b57f-cd2a9874169b}
+#define NS_IDOCUMENT_VIEWER_PRINT_IID \
+{ 0xc6f255cf, 0xcadd, 0x4382, \
+  { 0xb5, 0x7f, 0xcd, 0x2a, 0x98, 0x74, 0x16, 0x9b } }
+
+/**
+ * A DocumentViewerPrint is an INTERNAL Interface used for interaction
+ * between the DocumentViewer and the PrintEngine
+ */
+class nsIDocumentViewerPrint : public nsISupports
+{
+public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDOCUMENT_VIEWER_PRINT_IID)
+
+  virtual void SetIsPrinting(bool aIsPrinting) = 0;
+  virtual bool GetIsPrinting() = 0;
+
+  virtual void SetIsPrintPreview(bool aIsPrintPreview) = 0;
+  virtual bool GetIsPrintPreview() = 0;
+
+  // The style set returned by CreateStyleSet is in the middle of an
+  // update batch so that the caller can add sheets to it if needed.
+  // Callers should call EndUpdate() on it when ready to use.
+  virtual mozilla::StyleSetHandle CreateStyleSet(nsIDocument* aDocument) = 0;
+
+  virtual void IncrementDestroyRefCount() = 0;
+
+  virtual void ReturnToGalleyPresentation() = 0;
+
+  virtual void OnDonePrinting() = 0;
+
+  /**
+   * Returns true is InitializeForPrintPreview() has been called.
+   */
+  virtual bool IsInitializedForPrintPreview() = 0;
+
+  /**
+   * Marks this viewer to be used for print preview.
+   */
+  virtual void InitializeForPrintPreview() = 0;
+
+  /**
+   * Replaces the current presentation with print preview presentation.
+   */
+  virtual void SetPrintPreviewPresentation(nsViewManager* aViewManager,
+                                           nsPresContext* aPresContext,
+                                           nsIPresShell* aPresShell) = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIDocumentViewerPrint,
+                              NS_IDOCUMENT_VIEWER_PRINT_IID)
+
+/* Use this macro when declaring classes that implement this interface. */
+#define NS_DECL_NSIDOCUMENTVIEWERPRINT \
+  void SetIsPrinting(bool aIsPrinting) override; \
+  bool GetIsPrinting() override; \
+  void SetIsPrintPreview(bool aIsPrintPreview) override; \
+  bool GetIsPrintPreview() override; \
+  mozilla::StyleSetHandle CreateStyleSet(nsIDocument* aDocument) override; \
+  void IncrementDestroyRefCount() override; \
+  void ReturnToGalleyPresentation() override; \
+  void OnDonePrinting() override; \
+  bool IsInitializedForPrintPreview() override; \
+  void InitializeForPrintPreview() override; \
+  void SetPrintPreviewPresentation(nsViewManager* aViewManager, \
+                                   nsPresContext* aPresContext, \
+                                   nsIPresShell* aPresShell) override;
+
+#endif /* nsIDocumentViewerPrint_h___ */