diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /layout/generic/PrintedSheetFrame.h | |
parent | Initial commit. (diff) | |
download | firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | layout/generic/PrintedSheetFrame.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/layout/generic/PrintedSheetFrame.h b/layout/generic/PrintedSheetFrame.h new file mode 100644 index 0000000000..22708813bf --- /dev/null +++ b/layout/generic/PrintedSheetFrame.h @@ -0,0 +1,66 @@ +/* -*- 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 https://mozilla.org/MPL/2.0/. */ + +/* Rendering object for a printed or print-previewed sheet of paper */ + +#ifndef LAYOUT_GENERIC_PRINTEDSHEETFRAME_H_ +#define LAYOUT_GENERIC_PRINTEDSHEETFRAME_H_ + +#include "nsContainerFrame.h" +#include "nsHTMLParts.h" + +class nsSharedPageData; + +namespace mozilla { + +class PrintedSheetFrame final : public nsContainerFrame { + public: + NS_DECL_QUERYFRAME + NS_DECL_FRAMEARENA_HELPERS(PrintedSheetFrame) + + friend PrintedSheetFrame* ::NS_NewPrintedSheetFrame( + mozilla::PresShell* aPresShell, ComputedStyle* aStyle); + + void SetSharedPageData(nsSharedPageData* aPD) { mPD = aPD; } + + // nsIFrame overrides + void Reflow(nsPresContext* aPresContext, ReflowOutput& aReflowOutput, + const ReflowInput& aReflowInput, + nsReflowStatus& aStatus) override; + + void BuildDisplayList(nsDisplayListBuilder* aBuilder, + const nsDisplayListSet& aLists) override; + + // Return our first page frame. + void AppendDirectlyOwnedAnonBoxes(nsTArray<OwnedAnonBox>& aResult) override; + +#ifdef DEBUG_FRAME_DUMP + nsresult GetFrameName(nsAString& aResult) const override; +#endif + + uint32_t GetNumPages() const { return mNumPages; } + + private: + // Private construtor & destructor, to avoid accidental (non-FrameArena) + // instantiation/deletion: + PrintedSheetFrame(ComputedStyle* aStyle, nsPresContext* aPresContext) + : nsContainerFrame(aStyle, aPresContext, kClassID) {} + ~PrintedSheetFrame() = default; + + // Helper function to populate some pages-per-sheet metrics in our + // nsSharedPageData. + void ComputePagesPerSheetOriginAndScale(); + + // Note: this will be set before reflow, and it's strongly owned by our + // nsPageSequenceFrame, which outlives us. + nsSharedPageData* mPD = nullptr; + // The number of visible pages in this sheet. + uint32_t mNumPages = 0; +}; + +} // namespace mozilla + +#endif /* LAYOUT_GENERIC_PRINTEDSHEETFRAME_H_ */ |