forked from mirrors/gecko-dev
128 lines
4.6 KiB
C++
128 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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{
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public:
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explicit nsHTMLButtonControlFrame(nsStyleContext* aContext)
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: nsHTMLButtonControlFrame(aContext, kClassID)
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{}
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~nsHTMLButtonControlFrame();
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virtual void DestroyFrom(nsIFrame* aDestructRoot, 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,
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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,
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nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) override;
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virtual nsStyleContext* GetAdditionalStyleContext(int32_t aIndex) const override;
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virtual void SetAdditionalStyleContext(int32_t aIndex,
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nsStyleContext* aStyleContext) 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,
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nsIFrame* aPrevFrame,
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nsFrameList& aFrameList) override;
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virtual void RemoveFrame(ChildListID aListID,
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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(NS_LITERAL_STRING("HTMLButtonControl"), aResult);
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}
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#endif
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virtual bool HonorPrintBackgroundSettings() 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, 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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{
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return nsContainerFrame::IsFrameOfType(aFlags &
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~(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(nsStyleContext* aContext, 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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