/* -*- 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 nsIDocument;
class nsIFrame;
class nsIHTMLContentSink;
class nsIFragmentContentSink;
class nsStyleContext;
class nsIURI;
class nsIPresShell;
class nsIChannel;
class nsTableColFrame;
namespace mozilla {
class ViewportFrame;
} // namespace mozilla
// 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_FORMATTING_CONTEXT_STATE_BITS | \
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
class nsBlockFrame;
nsBlockFrame*
NS_NewBlockFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
// 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".
nsContainerFrame*
NS_NewSelectsAreaFrame(nsIPresShell* aPresShell, nsStyleContext* aContext, nsFrameState aFlags);
// Create a block formatting context blockframe
nsBlockFrame*
NS_NewBlockFormattingContext(nsIPresShell* aPresShell, nsStyleContext* aStyleContext);
nsIFrame*
NS_NewBRFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
nsIFrame*
NS_NewCommentFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
// and