gecko-dev/layout/base/nsIDocumentViewer.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * The Original Code is Mozilla Communicator client code.
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 * The Initial Developer of the Original Code is
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#ifndef nsIDocumentViewer_h___
#define nsIDocumentViewer_h___

#include "nsIContentViewer.h"

class nsIDocument;
class nsPresContext;
class nsIPresShell;
class nsIStyleSheet;

#define NS_IDOCUMENT_VIEWER_IID \
 { 0x42ecec88, 0x80d5, 0x48ac,{0x9a, 0xcd, 0x12, 0x51, 0xdc, 0x42, 0x60, 0x4a}}

/**
 * A document viewer is a kind of content viewer that uses NGLayout
 * to manage the presentation of the content.
 */
class nsIDocumentViewer : public nsIContentViewer
{
public:
  NS_DEFINE_STATIC_IID_ACCESSOR(NS_IDOCUMENT_VIEWER_IID)

  NS_IMETHOD SetUAStyleSheet(nsIStyleSheet* aUAStyleSheet) = 0;
  
  NS_IMETHOD GetDocument(nsIDocument** aResult) = 0;
  
  NS_IMETHOD GetPresShell(nsIPresShell** aResult) = 0;
  
  NS_IMETHOD GetPresContext(nsPresContext** aResult) = 0;

  NS_IMETHOD CreateDocumentViewerUsing(nsPresContext* aPresContext,
                                       nsIDocumentViewer** aResult) = 0;
};

#endif /* nsIDocumentViewer_h___ */