nsCanvasFrame Class Reference

Root frame class. More...

#include <nsCanvasFrame.h>

List of all members.

Public Member Functions
	nsCanvasFrame (nsStyleContext *aContext)
NS_DECL_QUERYFRAME virtual NS_DECL_FRAMEARENA_HELPERS nsresult	QueryInterface (const nsIID &aIID, void **aInstancePtr)
virtual nsresult	Init (nsIContent *aContent, nsIFrame *aParent, nsIFrame *aPrevInFlow)
virtual void	DestroyFrom (nsIFrame *aDestructRoot)
virtual nsresult	SetInitialChildList (nsIAtom *aListName, nsFrameList &aChildList)
virtual nsresult	AppendFrames (nsIAtom *aListName, nsFrameList &aFrameList)
virtual nsresult	InsertFrames (nsIAtom *aListName, nsIFrame *aPrevFrame, nsFrameList &aFrameList)
virtual nsresult	RemoveFrame (nsIAtom *aListName, nsIFrame *aOldFrame)
virtual nsIAtom *	GetAdditionalChildListName (PRInt32 aIndex) const
virtual nsFrameList	GetChildList (nsIAtom *aListName) const
virtual nscoord	GetMinWidth (nsIRenderingContext *aRenderingContext)
virtual nscoord	GetPrefWidth (nsIRenderingContext *aRenderingContext)
virtual nsresult	Reflow (nsPresContext *aPresContext, nsHTMLReflowMetrics &aDesiredSize, const nsHTMLReflowState &aReflowState, nsReflowStatus &aStatus)
virtual PRBool	IsContainingBlock () const
virtual PRBool	IsFrameOfType (PRUint32 aFlags) const
virtual nsresult	SetHasFocus (PRBool aHasFocus)
	SetHasFocus tells the CanvasFrame to draw with focus ring.
virtual nsresult	BuildDisplayList (nsDisplayListBuilder *aBuilder, const nsRect &aDirtyRect, const nsDisplayListSet &aLists)
void	PaintFocus (nsIRenderingContext &aRenderingContext, nsPoint aPt)
virtual nsresult	ScrollPositionWillChange (nscoord aX, nscoord aY)
virtual void	ViewPositionDidChange (nsTArray< nsIWidget::Configuration > *aConfigurations)
virtual nsresult	ScrollPositionDidChange (nscoord aX, nscoord aY)
virtual nsIAtom *	GetType () const
	Get the "type" of the frame.
virtual nsresult	StealFrame (nsPresContext *aPresContext, nsIFrame *aChild, PRBool aForceNormal)
virtual nsresult	GetContentForEvent (nsPresContext *aPresContext, nsEvent *aEvent, nsIContent **aContent)
nsRect	CanvasArea () const
Protected Member Functions
virtual PRIntn	GetSkipSides () const
Protected Attributes
PRPackedBool	mDoPaintFocus
nsAbsoluteContainingBlock	mAbsoluteContainer

---

Detailed Description

Root frame class.

The root frame is the parent frame for the document element's frame. It only supports having a single child frame which must be an area frame

---

Constructor & Destructor Documentation

nsCanvasFrame::nsCanvasFrame

(

nsStyleContext *

aContext

)

[inline]

---

Member Function Documentation

virtual nsresult nsCanvasFrame::AppendFrames	(	nsIAtom *	aListName,
		nsFrameList &	aFrameList
	)			[virtual]

virtual nsresult nsCanvasFrame::BuildDisplayList	(	nsDisplayListBuilder *	aBuilder,
		const nsRect &	aDirtyRect,
		const nsDisplayListSet &	aLists
	)			[virtual]

nsRect nsCanvasFrame::CanvasArea

(

)

const

virtual void nsCanvasFrame::DestroyFrom

(

nsIFrame *

aDestructRoot

)

[virtual]

virtual nsIAtom* nsCanvasFrame::GetAdditionalChildListName

(

PRInt32

aIndex

)

const [virtual]

virtual nsFrameList nsCanvasFrame::GetChildList

(

nsIAtom *

aListName

)

const [virtual]

virtual nsresult nsCanvasFrame::GetContentForEvent	(	nsPresContext *	aPresContext,
		nsEvent *	aEvent,
		nsIContent **	aContent
	)			[virtual]

virtual nscoord nsCanvasFrame::GetMinWidth

(

nsIRenderingContext *

aRenderingContext

)

[virtual]

virtual nscoord nsCanvasFrame::GetPrefWidth

(

nsIRenderingContext *

aRenderingContext

)

[virtual]

virtual PRIntn nsCanvasFrame::GetSkipSides

(

)

const [protected, virtual]

virtual nsIAtom* nsCanvasFrame::GetType

(

)

const [virtual]

Get the "type" of the frame.

See also:

nsGkAtoms::canvasFrame

virtual nsresult nsCanvasFrame::Init	(	nsIContent *	aContent,
		nsIFrame *	aParent,
		nsIFrame *	aPrevInFlow
	)			[virtual]

virtual nsresult nsCanvasFrame::InsertFrames	(	nsIAtom *	aListName,
		nsIFrame *	aPrevFrame,
		nsFrameList &	aFrameList
	)			[virtual]

virtual PRBool nsCanvasFrame::IsContainingBlock

(

)

const [inline, virtual]

virtual PRBool nsCanvasFrame::IsFrameOfType

(

PRUint32

aFlags

)

const [inline, virtual]

void nsCanvasFrame::PaintFocus	(	nsIRenderingContext &	aRenderingContext,
		nsPoint	aPt
	)

NS_DECL_QUERYFRAME virtual NS_DECL_FRAMEARENA_HELPERS nsresult nsCanvasFrame::QueryInterface	(	const nsIID &	aIID,
		void **	aInstancePtr
	)			[virtual]

virtual nsresult nsCanvasFrame::Reflow	(	nsPresContext *	aPresContext,
		nsHTMLReflowMetrics &	aDesiredSize,
		const nsHTMLReflowState &	aReflowState,
		nsReflowStatus &	aStatus
	)			[virtual]

virtual nsresult nsCanvasFrame::RemoveFrame	(	nsIAtom *	aListName,
		nsIFrame *	aOldFrame
	)			[virtual]

virtual nsresult nsCanvasFrame::ScrollPositionDidChange	(	nscoord	aX,
		nscoord	aY
	)			[virtual]

virtual nsresult nsCanvasFrame::ScrollPositionWillChange	(	nscoord	aX,
		nscoord	aY
	)			[virtual]

virtual nsresult nsCanvasFrame::SetHasFocus

(

PRBool

aHasFocus

)

[virtual]

SetHasFocus tells the CanvasFrame to draw with focus ring.

Parameters:

aHasFocus

PR_TRUE to show focus ring, PR_FALSE to hide it

virtual nsresult nsCanvasFrame::SetInitialChildList	(	nsIAtom *	aListName,
		nsFrameList &	aChildList
	)			[virtual]

virtual nsresult nsCanvasFrame::StealFrame	(	nsPresContext *	aPresContext,
		nsIFrame *	aChild,
		PRBool	aForceNormal
	)			[inline, virtual]

virtual void nsCanvasFrame::ViewPositionDidChange

(

nsTArray< nsIWidget::Configuration > *

aConfigurations

)

[inline, virtual]

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Member Data Documentation

nsAbsoluteContainingBlock nsCanvasFrame::mAbsoluteContainer [protected]

PRPackedBool nsCanvasFrame::mDoPaintFocus [protected]

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The documentation for this class was generated from the following file:

• nsCanvasFrame.h