2001-09-29 00:14:13 +04:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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2004-04-18 18:30:37 +04:00
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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1999-04-20 04:23:05 +04:00
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*
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2004-04-18 18:30:37 +04:00
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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1999-04-20 04:23:05 +04:00
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*
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2001-09-29 00:14:13 +04:00
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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1999-04-20 04:23:05 +04:00
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*
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* The Original Code is Mozilla Communicator client code.
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*
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2004-04-18 18:30:37 +04:00
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* The Initial Developer of the Original Code is
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2001-09-29 00:14:13 +04:00
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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1999-11-06 06:40:37 +03:00
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*
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2001-09-29 00:14:13 +04:00
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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2004-04-18 18:30:37 +04:00
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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2001-09-29 00:14:13 +04:00
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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2004-04-18 18:30:37 +04:00
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* use your version of this file under the terms of the MPL, indicate your
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2001-09-29 00:14:13 +04:00
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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2004-04-18 18:30:37 +04:00
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* the terms of any one of the MPL, the GPL or the LGPL.
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2001-09-29 00:14:13 +04:00
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*
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* ***** END LICENSE BLOCK ***** */
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2006-03-29 22:29:03 +04:00
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/* rendering object for CSS display:inline objects */
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1999-04-20 04:23:05 +04:00
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#ifndef nsInlineFrame_h___
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#define nsInlineFrame_h___
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2011-12-28 00:18:48 +04:00
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#include "nsContainerFrame.h"
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1999-04-20 04:23:05 +04:00
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#include "nsLineLayout.h"
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2006-06-15 12:16:23 +04:00
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/** In Bidi left (or right) margin/padding/border should be applied to left
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* (or right) most frame (or a continuation frame).
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* This state value shows if this frame is left (or right) most continuation
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* or not.
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*/
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2010-06-09 09:28:14 +04:00
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#define NS_INLINE_FRAME_BIDI_VISUAL_STATE_IS_SET NS_FRAME_STATE_BIT(21)
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2006-06-15 12:16:23 +04:00
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2010-06-09 09:28:14 +04:00
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#define NS_INLINE_FRAME_BIDI_VISUAL_IS_LEFT_MOST NS_FRAME_STATE_BIT(22)
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2006-06-15 12:16:23 +04:00
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2010-06-09 09:28:14 +04:00
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#define NS_INLINE_FRAME_BIDI_VISUAL_IS_RIGHT_MOST NS_FRAME_STATE_BIT(23)
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2006-06-15 12:16:23 +04:00
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1999-11-01 18:24:57 +03:00
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/**
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* Inline frame class.
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*
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* This class manages a list of child frames that are inline frames. Working with
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* nsLineLayout, the class will reflow and place inline frames on a line.
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*/
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2011-12-28 00:18:48 +04:00
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class nsInlineFrame : public nsContainerFrame
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1999-04-20 04:23:05 +04:00
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{
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public:
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2009-09-12 20:49:24 +04:00
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NS_DECL_QUERYFRAME_TARGET(nsInlineFrame)
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2009-01-12 22:20:59 +03:00
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NS_DECL_QUERYFRAME
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2009-09-12 20:49:24 +04:00
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NS_DECL_FRAMEARENA_HELPERS
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1999-04-20 04:23:05 +04:00
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2009-01-12 22:20:59 +03:00
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friend nsIFrame* NS_NewInlineFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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2009-01-09 19:35:24 +03:00
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2012-02-15 00:33:06 +04:00
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/** sets defaults for inline-specific style.
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* @see nsIFrame::Init
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*/
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NS_IMETHOD Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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1999-04-20 04:23:05 +04:00
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// nsIFrame overrides
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2006-01-26 05:29:17 +03:00
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NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists);
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2000-01-13 00:52:58 +03:00
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2002-08-10 11:59:44 +04:00
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#ifdef ACCESSIBILITY
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2010-06-28 16:02:03 +04:00
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virtual already_AddRefed<nsAccessible> CreateAccessible();
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2002-08-10 11:59:44 +04:00
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#endif
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1999-11-02 01:12:45 +03:00
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#ifdef DEBUG
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2001-11-14 04:33:42 +03:00
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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1999-11-02 01:12:45 +03:00
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#endif
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2003-10-31 23:19:18 +03:00
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virtual nsIAtom* GetType() const;
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2007-02-24 21:33:33 +03:00
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2011-09-29 10:19:26 +04:00
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virtual bool IsFrameOfType(PRUint32 aFlags) const
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2007-02-24 21:33:33 +03:00
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{
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2011-12-28 00:18:48 +04:00
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return nsContainerFrame::IsFrameOfType(aFlags &
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2007-05-18 10:04:04 +04:00
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~(nsIFrame::eBidiInlineContainer | nsIFrame::eLineParticipant));
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2007-02-24 21:33:33 +03:00
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}
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1999-04-20 04:23:05 +04:00
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2011-09-29 10:19:26 +04:00
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virtual bool IsEmpty();
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virtual bool IsSelfEmpty();
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2001-10-25 05:08:40 +04:00
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2011-04-30 03:02:33 +04:00
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virtual void DestroyFrom(nsIFrame* aDestructRoot);
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2011-09-29 10:19:26 +04:00
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virtual bool PeekOffsetCharacter(bool aForward, PRInt32* aOffset,
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bool aRespectClusters = true);
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2006-09-12 00:43:01 +04:00
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1999-04-20 04:23:05 +04:00
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// nsIHTMLReflow overrides
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2011-04-08 05:04:40 +04:00
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virtual void AddInlineMinWidth(nsRenderingContext *aRenderingContext,
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Bug 300030: Move intrinsic width computation out of nsIFrame::Reflow and into its own methods on nsIFrame. Replace reflow reasons, types, and commands with dirty bits/notifications. Thanks to bzbarsky for almost all of the HTML form controls (mozilla/layout/forms) changes, and many others for help testing and patching. For detailed commit logs, see REFLOW_YYYYMMDD_BRANCH, where YYYYMMDD is one of 20061031, 20060830, 20060603, 20060302, 20060119, 20051011, 20050804, 20050429, 20050315, 20050111, and 20041213.
2006-12-08 08:38:33 +03:00
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InlineMinWidthData *aData);
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2011-04-08 05:04:40 +04:00
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virtual void AddInlinePrefWidth(nsRenderingContext *aRenderingContext,
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Bug 300030: Move intrinsic width computation out of nsIFrame::Reflow and into its own methods on nsIFrame. Replace reflow reasons, types, and commands with dirty bits/notifications. Thanks to bzbarsky for almost all of the HTML form controls (mozilla/layout/forms) changes, and many others for help testing and patching. For detailed commit logs, see REFLOW_YYYYMMDD_BRANCH, where YYYYMMDD is one of 20061031, 20060830, 20060603, 20060302, 20060119, 20051011, 20050804, 20050429, 20050315, 20050111, and 20041213.
2006-12-08 08:38:33 +03:00
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InlinePrefWidthData *aData);
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2011-04-08 05:04:40 +04:00
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virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
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Bug 300030: Move intrinsic width computation out of nsIFrame::Reflow and into its own methods on nsIFrame. Replace reflow reasons, types, and commands with dirty bits/notifications. Thanks to bzbarsky for almost all of the HTML form controls (mozilla/layout/forms) changes, and many others for help testing and patching. For detailed commit logs, see REFLOW_YYYYMMDD_BRANCH, where YYYYMMDD is one of 20061031, 20060830, 20060603, 20060302, 20060119, 20051011, 20050804, 20050429, 20050315, 20050111, and 20041213.
2006-12-08 08:38:33 +03:00
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder, nsSize aPadding,
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2012-03-16 22:01:05 +04:00
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PRUint32 aFlags) MOZ_OVERRIDE;
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2007-10-12 12:30:54 +04:00
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virtual nsRect ComputeTightBounds(gfxContext* aContext) const;
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2004-08-01 03:15:21 +04:00
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NS_IMETHOD Reflow(nsPresContext* aPresContext,
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1999-04-20 04:23:05 +04:00
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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2011-09-29 10:19:26 +04:00
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virtual bool CanContinueTextRun() const;
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2000-07-29 02:29:28 +04:00
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2009-07-24 17:32:32 +04:00
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virtual void PullOverflowsFromPrevInFlow();
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2010-08-31 22:54:44 +04:00
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virtual nscoord GetBaseline() const;
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2009-07-24 17:32:32 +04:00
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2006-06-15 12:16:23 +04:00
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/**
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* Return true if the frame is leftmost frame or continuation.
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*/
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2011-09-29 10:19:26 +04:00
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bool IsLeftMost() const {
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2006-06-15 12:16:23 +04:00
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// If the frame's bidi visual state is set, return is-leftmost state
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// else return true if it's the first continuation.
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return (GetStateBits() & NS_INLINE_FRAME_BIDI_VISUAL_STATE_IS_SET)
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2007-10-10 04:00:05 +04:00
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? !!(GetStateBits() & NS_INLINE_FRAME_BIDI_VISUAL_IS_LEFT_MOST)
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2006-06-15 12:16:23 +04:00
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: (!GetPrevInFlow());
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}
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/**
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* Return true if the frame is rightmost frame or continuation.
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*/
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2011-09-29 10:19:26 +04:00
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bool IsRightMost() const {
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2006-06-15 12:16:23 +04:00
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// If the frame's bidi visual state is set, return is-rightmost state
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// else return true if it's the last continuation.
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return (GetStateBits() & NS_INLINE_FRAME_BIDI_VISUAL_STATE_IS_SET)
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2007-10-10 04:00:05 +04:00
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? !!(GetStateBits() & NS_INLINE_FRAME_BIDI_VISUAL_IS_RIGHT_MOST)
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2006-06-15 12:16:23 +04:00
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: (!GetNextInFlow());
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}
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1999-04-20 04:23:05 +04:00
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protected:
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// Additional reflow state used during our reflow methods
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struct InlineReflowState {
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nsIFrame* mPrevFrame;
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nsInlineFrame* mNextInFlow;
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2007-04-21 04:42:58 +04:00
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nsIFrame* mLineContainer;
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2009-10-27 04:43:56 +03:00
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nsLineLayout* mLineLayout;
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2011-09-29 10:19:26 +04:00
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bool mSetParentPointer; // when reflowing child frame first set its
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2000-09-12 00:46:44 +04:00
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// parent frame pointer
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2000-03-21 02:47:01 +03:00
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InlineReflowState() {
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mPrevFrame = nsnull;
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mNextInFlow = nsnull;
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2007-04-21 04:42:58 +04:00
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mLineContainer = nsnull;
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2009-10-27 04:43:56 +03:00
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mLineLayout = nsnull;
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2011-10-17 18:59:28 +04:00
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mSetParentPointer = false;
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2007-04-23 18:21:53 +04:00
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}
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1999-04-20 04:23:05 +04:00
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};
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2011-12-28 00:18:48 +04:00
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nsInlineFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
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1999-04-20 04:23:05 +04:00
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virtual PRIntn GetSkipSides() const;
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2004-08-01 03:15:21 +04:00
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nsresult ReflowFrames(nsPresContext* aPresContext,
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1999-11-01 18:24:57 +03:00
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const nsHTMLReflowState& aReflowState,
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InlineReflowState& rs,
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nsHTMLReflowMetrics& aMetrics,
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nsReflowStatus& aStatus);
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1999-04-20 04:23:05 +04:00
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2004-08-01 03:15:21 +04:00
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nsresult ReflowInlineFrame(nsPresContext* aPresContext,
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1999-04-20 04:23:05 +04:00
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const nsHTMLReflowState& aReflowState,
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InlineReflowState& rs,
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nsIFrame* aFrame,
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nsReflowStatus& aStatus);
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2007-04-21 04:42:58 +04:00
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/**
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* Reparent floats whose placeholders are inline descendants of aFrame from
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* whatever block they're currently parented by to aOurBlock.
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* @param aReparentSiblings if this is true, we follow aFrame's
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* GetNextSibling chain reparenting them all
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*/
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void ReparentFloatsForInlineChild(nsIFrame* aOurBlock, nsIFrame* aFrame,
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2011-09-29 10:19:26 +04:00
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bool aReparentSiblings);
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2007-04-21 04:42:58 +04:00
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2004-08-01 03:15:21 +04:00
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virtual nsIFrame* PullOneFrame(nsPresContext* aPresContext,
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1999-11-01 18:24:57 +03:00
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InlineReflowState& rs,
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2011-09-29 10:19:26 +04:00
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bool* aIsComplete);
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1999-04-20 04:23:05 +04:00
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2004-08-01 03:15:21 +04:00
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virtual void PushFrames(nsPresContext* aPresContext,
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1999-04-20 04:23:05 +04:00
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nsIFrame* aFromChild,
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2009-10-27 04:43:56 +03:00
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nsIFrame* aPrevSibling,
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InlineReflowState& aState);
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2011-08-03 22:30:58 +04:00
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nscoord mBaseline;
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1999-04-20 04:23:05 +04:00
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};
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//----------------------------------------------------------------------
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1999-11-01 18:24:57 +03:00
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/**
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* Variation on inline-frame used to manage lines for line layout in
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* special situations (:first-line style in particular).
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*/
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1999-04-20 04:23:05 +04:00
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class nsFirstLineFrame : public nsInlineFrame {
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public:
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2009-09-12 20:49:24 +04:00
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NS_DECL_FRAMEARENA_HELPERS
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2006-03-27 01:30:36 +04:00
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friend nsIFrame* NS_NewFirstLineFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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1999-04-20 04:23:05 +04:00
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1999-11-02 02:12:32 +03:00
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#ifdef DEBUG
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2001-11-14 04:33:42 +03:00
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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1999-11-02 02:12:32 +03:00
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#endif
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2003-10-31 23:19:18 +03:00
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virtual nsIAtom* GetType() const;
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2004-08-01 03:15:21 +04:00
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NS_IMETHOD Reflow(nsPresContext* aPresContext,
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1999-04-20 04:23:05 +04:00
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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2009-07-24 17:32:32 +04:00
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virtual void PullOverflowsFromPrevInFlow();
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1999-04-20 04:23:05 +04:00
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protected:
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2006-03-27 01:30:36 +04:00
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nsFirstLineFrame(nsStyleContext* aContext) : nsInlineFrame(aContext) {}
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1999-04-20 04:23:05 +04:00
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2004-08-01 03:15:21 +04:00
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virtual nsIFrame* PullOneFrame(nsPresContext* aPresContext,
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1999-11-01 18:24:57 +03:00
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InlineReflowState& rs,
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2011-09-29 10:19:26 +04:00
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bool* aIsComplete);
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1999-04-20 04:23:05 +04:00
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};
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#endif /* nsInlineFrame_h___ */
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