Source code

Revision control

Copy as Markdown

Other Tools

/* -*- 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 */
#ifndef nsHTMLButtonControlFrame_h___
#define nsHTMLButtonControlFrame_h___
#include "mozilla/Attributes.h"
#include "nsContainerFrame.h"
#include "nsIFormControlFrame.h"
#include "nsButtonFrameRenderer.h"
class gfxContext;
class nsPresContext;
class nsHTMLButtonControlFrame : public nsContainerFrame,
public nsIFormControlFrame {
explicit nsHTMLButtonControlFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext)
: nsHTMLButtonControlFrame(aStyle, aPresContext, kClassID) {}
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsDisplayListSet& aLists) override;
virtual nscoord GetMinISize(gfxContext* aRenderingContext) override;
virtual nscoord GetPrefISize(gfxContext* aRenderingContext) override;
virtual void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
Maybe<nscoord> GetNaturalBaselineBOffset(
mozilla::WritingMode aWM, BaselineSharingGroup aBaselineGroup,
BaselineExportContext aExportContext) const override;
virtual nsresult HandleEvent(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) override;
virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) override;
ComputedStyle* GetAdditionalComputedStyle(int32_t aIndex) const override;
void SetAdditionalComputedStyle(int32_t aIndex,
ComputedStyle* aComputedStyle) override;
#ifdef DEBUG
void AppendFrames(ChildListID aListID, nsFrameList&& aFrameList) override;
void InsertFrames(ChildListID aListID, nsIFrame* aPrevFrame,
const nsLineList::iterator* aPrevFrameLine,
nsFrameList&& aFrameList) override;
virtual void RemoveFrame(ChildListID aListID, nsIFrame* aOldFrame) override;
virtual mozilla::a11y::AccType AccessibleType() override;
virtual nsresult GetFrameName(nsAString& aResult) const override {
return MakeFrameName(u"HTMLButtonControl"_ns, aResult);
// nsIFormControlFrame
void SetFocus(bool aOn, bool aRepaint) override;
virtual nsresult SetFormProperty(nsAtom* aName,
const nsAString& aValue) override;
// Inserted child content gets its frames parented by our child block
virtual nsContainerFrame* GetContentInsertionFrame() override {
return PrincipalChildList().FirstChild()->GetContentInsertionFrame();
virtual bool IsFrameOfType(uint32_t aFlags) const override {
return nsContainerFrame::IsFrameOfType(
aFlags & ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
// Return the ::-moz-button-content anonymous box.
void AppendDirectlyOwnedAnonBoxes(nsTArray<OwnedAnonBox>& aResult) override;
nsHTMLButtonControlFrame(ComputedStyle* aStyle, nsPresContext* aPresContext,
nsIFrame::ClassID aID);
virtual bool IsInput() { return false; }
// Indicates whether we should clip our children's painting to our
// border-box (either because of "overflow" or because of legacy reasons
// about how <input>-flavored buttons work).
bool ShouldClipPaintingToBorderBox();
// Reflows the button's sole child frame, and computes the desired size
// of the button itself from the results.
void ReflowButtonContents(nsPresContext* aPresContext,
ReflowOutput& aButtonDesiredSize,
const ReflowInput& aButtonReflowInput,
nsIFrame* aFirstKid);
BaselineSharingGroup GetDefaultBaselineSharingGroup() const override;
nscoord SynthesizeFallbackBaseline(
mozilla::WritingMode aWM,
BaselineSharingGroup aBaselineGroup) const override;
nsButtonFrameRenderer mRenderer;