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Diffstat (limited to 'layout/forms/nsHTMLButtonControlFrame.h')
-rw-r--r-- | layout/forms/nsHTMLButtonControlFrame.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/layout/forms/nsHTMLButtonControlFrame.h b/layout/forms/nsHTMLButtonControlFrame.h new file mode 100644 index 000000000..96ad0f366 --- /dev/null +++ b/layout/forms/nsHTMLButtonControlFrame.h @@ -0,0 +1,115 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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 http://mozilla.org/MPL/2.0/. */ + +#ifndef nsHTMLButtonControlFrame_h___ +#define nsHTMLButtonControlFrame_h___ + +#include "mozilla/Attributes.h" +#include "nsContainerFrame.h" +#include "nsIFormControlFrame.h" +#include "nsButtonFrameRenderer.h" + +class nsRenderingContext; +class nsPresContext; + +class nsHTMLButtonControlFrame : public nsContainerFrame, + public nsIFormControlFrame +{ +public: + explicit nsHTMLButtonControlFrame(nsStyleContext* aContext); + ~nsHTMLButtonControlFrame(); + + virtual void DestroyFrom(nsIFrame* aDestructRoot) override; + + NS_DECL_QUERYFRAME + NS_DECL_FRAMEARENA_HELPERS + + virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, + const nsRect& aDirtyRect, + const nsDisplayListSet& aLists) override; + + virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override; + + virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override; + + virtual void Reflow(nsPresContext* aPresContext, + ReflowOutput& aDesiredSize, + const ReflowInput& aReflowInput, + nsReflowStatus& aStatus) override; + + virtual nsresult HandleEvent(nsPresContext* aPresContext, + mozilla::WidgetGUIEvent* aEvent, + nsEventStatus* aEventStatus) override; + + virtual void Init(nsIContent* aContent, + nsContainerFrame* aParent, + nsIFrame* aPrevInFlow) override; + + virtual nsStyleContext* GetAdditionalStyleContext(int32_t aIndex) const override; + virtual void SetAdditionalStyleContext(int32_t aIndex, + nsStyleContext* aStyleContext) override; + +#ifdef DEBUG + virtual void AppendFrames(ChildListID aListID, + nsFrameList& aFrameList) override; + virtual void InsertFrames(ChildListID aListID, + nsIFrame* aPrevFrame, + nsFrameList& aFrameList) override; + virtual void RemoveFrame(ChildListID aListID, + nsIFrame* aOldFrame) override; +#endif + +#ifdef ACCESSIBILITY + virtual mozilla::a11y::AccType AccessibleType() override; +#endif + + virtual nsIAtom* GetType() const override; + +#ifdef DEBUG_FRAME_DUMP + virtual nsresult GetFrameName(nsAString& aResult) const override { + return MakeFrameName(NS_LITERAL_STRING("HTMLButtonControl"), aResult); + } +#endif + + virtual bool HonorPrintBackgroundSettings() override { return false; } + + // nsIFormControlFrame + void SetFocus(bool aOn, bool aRepaint) override; + virtual nsresult SetFormProperty(nsIAtom* 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)); + } + +protected: + 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); + + nsButtonFrameRenderer mRenderer; +}; + +#endif + + + + |