mirror of
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73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsPaper_h__
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#define nsPaper_h__
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#include "mozilla/dom/ToJSValue.h"
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#include "mozilla/gfx/Point.h"
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#include "mozilla/gfx/Rect.h"
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#include "mozilla/Maybe.h"
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#include "nsIPaper.h"
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#include "nsISupportsImpl.h"
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#include "js/RootingAPI.h"
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#include "nsString.h"
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struct JSContext;
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namespace mozilla {
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// Simple struct that can be used off the main thread to hold all the info from
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// an nsPaper instance.
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struct PaperInfo {
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using MarginDouble = mozilla::gfx::MarginDouble;
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using SizeDouble = mozilla::gfx::SizeDouble;
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PaperInfo() = default;
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PaperInfo(const nsAString& aId, const nsAString& aName,
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const SizeDouble& aSize,
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const Maybe<MarginDouble>& aUnwriteableMargin)
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: mId(aId),
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mName(aName),
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mSize(aSize),
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mUnwriteableMargin(aUnwriteableMargin) {}
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const nsString mId;
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const nsString mName;
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SizeDouble mSize;
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// The margins may not be known by some back-ends.
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const Maybe<MarginDouble> mUnwriteableMargin{Nothing()};
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};
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} // namespace mozilla
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class nsPrinterBase;
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class nsPaper final : public nsIPaper {
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using Promise = mozilla::dom::Promise;
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS(nsPaper)
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NS_DECL_NSIPAPER
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nsPaper() = delete;
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explicit nsPaper(const mozilla::PaperInfo&);
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nsPaper(nsPrinterBase&, const mozilla::PaperInfo&);
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private:
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~nsPaper();
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// null if not associated with a printer (for "Save-to-PDF" paper sizes)
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RefPtr<nsPrinterBase> mPrinter;
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RefPtr<Promise> mMarginPromise;
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const mozilla::PaperInfo mInfo;
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};
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#endif /* nsPaper_h__ */
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