gecko-dev/layout/base/nsIDocumentViewerPrint.h

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/* -*- 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 nsIDocumentViewerPrint_h___
#define nsIDocumentViewerPrint_h___
#include "nsISupports.h"
#include "mozilla/UniquePtr.h"
namespace mozilla {
class ServoStyleSet;
} // 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 nsPrintJob.
*/
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::UniquePtr<mozilla::ServoStyleSet> CreateStyleSet(
mozilla::dom::Document* aDocument) = 0;
/**
* This is used by nsPagePrintTimer to make nsDocumentViewer::Destroy()
* a no-op until printing is finished. That prevents the nsDocumentViewer
* and its document, presshell and prescontext from going away.
*/
virtual void IncrementDestroyBlockedCount() = 0;
virtual void DecrementDestroyBlockedCount() = 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::UniquePtr<mozilla::ServoStyleSet> CreateStyleSet( \
mozilla::dom::Document* aDocument) override; \
void IncrementDestroyBlockedCount() override; \
void DecrementDestroyBlockedCount() override; \
void OnDonePrinting() override; \
bool IsInitializedForPrintPreview() override; \
void InitializeForPrintPreview() override; \
void SetPrintPreviewPresentation(nsViewManager* aViewManager, \
nsPresContext* aPresContext, \
nsIPresShell* aPresShell) override;
#endif /* nsIDocumentViewerPrint_h___ */