forked from mirrors/gecko-dev
0680c18f72
I had written this on one of my attempts to fix the missing text on reddit when printing, but I think it's worth landing anyways not only because it's slightly cleaner, but because it avoids the virtual call and style checks when we're not printing. This should be an idempotent change. Differential Revision: https://phabricator.services.mozilla.com/D89171
122 lines
4.6 KiB
C++
122 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 nsHTMLButtonControlFrame_h___
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#define nsHTMLButtonControlFrame_h___
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#include "mozilla/Attributes.h"
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#include "nsContainerFrame.h"
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#include "nsIFormControlFrame.h"
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#include "nsButtonFrameRenderer.h"
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class gfxContext;
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class nsPresContext;
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class nsHTMLButtonControlFrame : public nsContainerFrame,
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public nsIFormControlFrame {
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public:
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explicit nsHTMLButtonControlFrame(ComputedStyle* aStyle,
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nsPresContext* aPresContext)
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: nsHTMLButtonControlFrame(aStyle, aPresContext, kClassID) {}
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~nsHTMLButtonControlFrame();
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virtual void DestroyFrom(nsIFrame* aDestructRoot,
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PostDestroyData& aPostDestroyData) override;
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS(nsHTMLButtonControlFrame)
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsDisplayListSet& aLists) override;
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virtual nscoord GetMinISize(gfxContext* aRenderingContext) override;
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virtual nscoord GetPrefISize(gfxContext* aRenderingContext) override;
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virtual void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus) override;
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bool GetVerticalAlignBaseline(mozilla::WritingMode aWM,
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nscoord* aBaseline) const override;
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bool GetNaturalBaselineBOffset(mozilla::WritingMode aWM,
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BaselineSharingGroup aBaselineGroup,
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nscoord* aBaseline) const override;
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virtual nsresult HandleEvent(nsPresContext* aPresContext,
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mozilla::WidgetGUIEvent* aEvent,
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nsEventStatus* aEventStatus) override;
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virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) override;
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ComputedStyle* GetAdditionalComputedStyle(int32_t aIndex) const override;
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void SetAdditionalComputedStyle(int32_t aIndex,
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ComputedStyle* aComputedStyle) override;
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#ifdef DEBUG
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virtual void AppendFrames(ChildListID aListID,
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nsFrameList& aFrameList) override;
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virtual void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
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const nsLineList::iterator* aPrevFrameLine,
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nsFrameList& aFrameList) override;
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virtual void RemoveFrame(ChildListID aListID, nsIFrame* aOldFrame) override;
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#endif
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#ifdef ACCESSIBILITY
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virtual mozilla::a11y::AccType AccessibleType() override;
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#endif
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const override {
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return MakeFrameName(u"HTMLButtonControl"_ns, aResult);
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}
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#endif
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virtual bool HonorPrintBackgroundSettings() const override { return false; }
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// nsIFormControlFrame
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void SetFocus(bool aOn, bool aRepaint) override;
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virtual nsresult SetFormProperty(nsAtom* aName,
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const nsAString& aValue) override;
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// Inserted child content gets its frames parented by our child block
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virtual nsContainerFrame* GetContentInsertionFrame() override {
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return PrincipalChildList().FirstChild()->GetContentInsertionFrame();
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}
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virtual bool IsFrameOfType(uint32_t aFlags) const override {
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return nsContainerFrame::IsFrameOfType(
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aFlags & ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
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}
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// Return the ::-moz-button-content anonymous box.
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void AppendDirectlyOwnedAnonBoxes(nsTArray<OwnedAnonBox>& aResult) override;
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protected:
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nsHTMLButtonControlFrame(ComputedStyle* aStyle, nsPresContext* aPresContext,
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nsIFrame::ClassID aID);
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virtual bool IsInput() { return false; }
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// Indicates whether we should clip our children's painting to our
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// border-box (either because of "overflow" or because of legacy reasons
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// about how <input>-flavored buttons work).
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bool ShouldClipPaintingToBorderBox();
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// Reflows the button's sole child frame, and computes the desired size
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// of the button itself from the results.
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void ReflowButtonContents(nsPresContext* aPresContext,
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ReflowOutput& aButtonDesiredSize,
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const ReflowInput& aButtonReflowInput,
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nsIFrame* aFirstKid);
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nsButtonFrameRenderer mRenderer;
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};
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#endif
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