gecko-dev/layout/forms/nsHTMLButtonControlFrame.h

110 lines
3.9 KiB
C++

/* -*- 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) MOZ_OVERRIDE;
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) MOZ_OVERRIDE;
virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE;
virtual void Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus) MOZ_OVERRIDE;
virtual nsresult HandleEvent(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) MOZ_OVERRIDE;
virtual void Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
virtual nsStyleContext* GetAdditionalStyleContext(int32_t aIndex) const MOZ_OVERRIDE;
virtual void SetAdditionalStyleContext(int32_t aIndex,
nsStyleContext* aStyleContext) MOZ_OVERRIDE;
#ifdef DEBUG
virtual void AppendFrames(ChildListID aListID,
nsFrameList& aFrameList) MOZ_OVERRIDE;
virtual void InsertFrames(ChildListID aListID,
nsIFrame* aPrevFrame,
nsFrameList& aFrameList) MOZ_OVERRIDE;
virtual void RemoveFrame(ChildListID aListID,
nsIFrame* aOldFrame) MOZ_OVERRIDE;
#endif
#ifdef ACCESSIBILITY
virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE;
#endif
virtual nsIAtom* GetType() const MOZ_OVERRIDE;
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE {
return MakeFrameName(NS_LITERAL_STRING("HTMLButtonControl"), aResult);
}
#endif
virtual bool HonorPrintBackgroundSettings() MOZ_OVERRIDE { return false; }
// nsIFormControlFrame
void SetFocus(bool aOn, bool aRepaint) MOZ_OVERRIDE;
virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) MOZ_OVERRIDE;
// Inserted child content gets its frames parented by our child block
virtual nsContainerFrame* GetContentInsertionFrame() MOZ_OVERRIDE {
return GetFirstPrincipalChild()->GetContentInsertionFrame();
}
virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
{
return nsContainerFrame::IsFrameOfType(aFlags &
~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
}
protected:
virtual bool IsInput() { return false; }
// Reflows the button's sole child frame, and computes the desired size
// of the button itself from the results.
void ReflowButtonContents(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aButtonDesiredSize,
const nsHTMLReflowState& aButtonReflowState,
nsIFrame* aFirstKid);
nsButtonFrameRenderer mRenderer;
};
#endif