/* -*- 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/. */
/* factory functions for rendering object classes */
#ifndef nsHTMLParts_h___
#define nsHTMLParts_h___
#include "nscore.h"
#include "nsISupports.h"
#include "nsIFrame.h"
class nsIAtom;
class nsNodeInfoManager;
class nsIContent;
class nsIContentIterator;
class nsIDocument;
class nsIFrame;
class nsIHTMLContentSink;
class nsIFragmentContentSink;
class nsStyleContext;
class nsIURI;
class nsString;
class nsIPresShell;
class nsIChannel;
class nsTableColFrame;
/**
* Additional frame-state bits used by nsBlockFrame
* See the meanings at http://www.mozilla.org/newlayout/doc/block-and-line.html
*
* NS_BLOCK_CLIP_PAGINATED_OVERFLOW is only set in paginated prescontexts, on
* blocks which were forced to not have scrollframes but still need to clip
* the display of their kids.
*
* NS_BLOCK_HAS_FIRST_LETTER_STYLE means that the block has first-letter style,
* even if it has no actual first-letter frame among its descendants.
*
* NS_BLOCK_HAS_FIRST_LETTER_CHILD means that there is an inflow first-letter
* frame among the block's descendants. If there is a floating first-letter
* frame, or the block has first-letter style but has no first letter, this
* bit is not set. This bit is set on the first continuation only.
*
* NS_BLOCK_FRAME_HAS_OUTSIDE_BULLET and NS_BLOCK_FRAME_HAS_INSIDE_BULLET
* means the block has an associated bullet frame, they are mutually exclusive.
*
*/
#define NS_BLOCK_MARGIN_ROOT NS_FRAME_STATE_BIT(22)
#define NS_BLOCK_FLOAT_MGR NS_FRAME_STATE_BIT(23)
#define NS_BLOCK_CLIP_PAGINATED_OVERFLOW NS_FRAME_STATE_BIT(28)
#define NS_BLOCK_HAS_FIRST_LETTER_STYLE NS_FRAME_STATE_BIT(29)
#define NS_BLOCK_FRAME_HAS_OUTSIDE_BULLET NS_FRAME_STATE_BIT(30)
#define NS_BLOCK_HAS_FIRST_LETTER_CHILD NS_FRAME_STATE_BIT(31)
#define NS_BLOCK_FRAME_HAS_INSIDE_BULLET NS_FRAME_STATE_BIT(63)
// These are all the block specific frame bits, they are copied from
// the prev-in-flow to a newly created next-in-flow, except for the
// NS_BLOCK_FLAGS_NON_INHERITED_MASK bits below.
#define NS_BLOCK_FLAGS_MASK (NS_BLOCK_MARGIN_ROOT | \
NS_BLOCK_FLOAT_MGR | \
NS_BLOCK_CLIP_PAGINATED_OVERFLOW | \
NS_BLOCK_HAS_FIRST_LETTER_STYLE | \
NS_BLOCK_FRAME_HAS_OUTSIDE_BULLET | \
NS_BLOCK_HAS_FIRST_LETTER_CHILD | \
NS_BLOCK_FRAME_HAS_INSIDE_BULLET)
// This is the subset of NS_BLOCK_FLAGS_MASK that is NOT inherited
// by default. They should only be set on the first-in-flow.
// See nsBlockFrame::Init.
#define NS_BLOCK_FLAGS_NON_INHERITED_MASK \
(NS_BLOCK_FRAME_HAS_OUTSIDE_BULLET | \
NS_BLOCK_HAS_FIRST_LETTER_CHILD | \
NS_BLOCK_FRAME_HAS_INSIDE_BULLET)
// Factory methods for creating html layout objects
// Create a frame that supports "display: block" layout behavior
nsIFrame*
NS_NewBlockFrame(nsIPresShell* aPresShell, nsStyleContext* aContext, uint32_t aFlags = 0);
// Special Generated Content Node. It contains text taken from an
// attribute of its *grandparent* content node.
nsresult
NS_NewAttributeContent(nsNodeInfoManager *aNodeInfoManager,
int32_t 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, uint32_t aFlags);
// Create a block formatting context blockframe
inline nsIFrame* NS_NewBlockFormattingContext(nsIPresShell* aPresShell,
nsStyleContext* aStyleContext)
{
return NS_NewBlockFrame(aPresShell, aStyleContext,
NS_BLOCK_FLOAT_MGR | NS_BLOCK_MARGIN_ROOT);
}
nsIFrame*
NS_NewBRFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
nsIFrame*
NS_NewCommentFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
// and