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*
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/* factory functions for rendering object classes */
#ifndef nsHTMLParts_h___
#define nsHTMLParts_h___
#include "nscore.h"
#include "nsISupports.h"
class nsIAtom;
class nsNodeInfoManager;
class nsIContent;
class nsIContentIterator;
class nsIDocument;
class nsIFrame;
class nsIHTMLContentSink;
class nsIFragmentContentSink;
class nsPresContext;
class nsStyleContext;
class nsIURI;
class nsString;
class nsIPresShell;
class nsIChannel;
/**
* Additional frame-state bits used by nsBlockFrame
* See the meanings at http://www.mozilla.org/newlayout/doc/block-and-line.html
*/
#define NS_BLOCK_NO_AUTO_MARGINS 0x00200000
#define NS_BLOCK_MARGIN_ROOT 0x00400000
#define NS_BLOCK_SPACE_MGR 0x00800000
#define NS_BLOCK_HAS_FIRST_LETTER_STYLE 0x20000000
#define NS_BLOCK_FRAME_HAS_OUTSIDE_BULLET 0x40000000
// These are the bits that get inherited from a block frame to its
// next-in-flows and are not private to blocks
#define NS_BLOCK_FLAGS_MASK 0xF0E00000
// Factory methods for creating html layout objects
// These are variations on AreaFrame with slightly different layout
// policies.
// Create a frame that supports "display: block" layout behavior
nsIFrame*
NS_NewBlockFrame(nsIPresShell* aPresShell, nsStyleContext* aContext, PRUint32 aFlags = 0);
// Special Generated Content Frame
nsresult
NS_NewAttributeContent(nsNodeInfoManager *aNodeInfoManager,
PRInt32 aNameSpaceID, nsIAtom* aAttrName,
nsIContent** aResult);
// Create a basic area frame but the GetFrameForPoint is overridden to always
// return the option frame
// By default, area frames will extend
// their height to cover any children that "stick out".
nsIFrame*
NS_NewSelectsAreaFrame(nsIPresShell* aPresShell, nsStyleContext* aContext, PRUint32 aFlags);
// Create a basic area frame.
nsIFrame*
NS_NewAreaFrame(nsIPresShell* aPresShell, nsStyleContext* aContext, PRUint32 aFlags);
// These AreaFrame's shrink wrap around their contents
inline nsIFrame*
NS_NewTableCellInnerFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) {
return NS_NewBlockFrame(aPresShell, aContext);
}
// This type of AreaFrame is the document root, a margin root, and the
// initial containing block for absolutely positioned elements
inline nsIFrame*
NS_NewDocumentElementFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) {
return NS_NewAreaFrame(aPresShell, aContext, NS_BLOCK_SPACE_MGR|NS_BLOCK_MARGIN_ROOT);
}
// This type of AreaFrame is a margin root, but does not shrink wrap
inline nsIFrame*
NS_NewAbsoluteItemWrapperFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) {
return NS_NewAreaFrame(aPresShell, aContext, NS_BLOCK_SPACE_MGR|NS_BLOCK_MARGIN_ROOT);
}
// This type of AreaFrame shrink wraps
inline nsIFrame*
NS_NewFloatingItemWrapperFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) {
return NS_NewAreaFrame(aPresShell, aContext,
NS_BLOCK_SPACE_MGR|NS_BLOCK_MARGIN_ROOT);
}
// This type of AreaFrame doesn't use its own space manager and
// doesn't shrink wrap.
inline nsIFrame*
NS_NewRelativeItemWrapperFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) {
return NS_NewAreaFrame(aPresShell, aContext, 0);
}
nsIFrame*
NS_NewBRFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
nsIFrame*
NS_NewCommentFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
// and