зеркало из https://github.com/mozilla/pjs.git
1130 строки
58 KiB
C++
1130 строки
58 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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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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*
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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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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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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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*
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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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* 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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* 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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* use your version of this file under the terms of the MPL, indicate your
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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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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsCSSFrameConstructor_h___
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#define nsCSSFrameConstructor_h___
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#include "nsCOMPtr.h"
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#include "nsILayoutHistoryState.h"
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#include "nsIXBLService.h"
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#include "nsQuoteList.h"
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#include "nsDataHashtable.h"
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#include "nsHashKeys.h"
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#include "plevent.h"
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#include "nsIEventQueueService.h"
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#include "nsIEventQueue.h"
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class nsIDocument;
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struct nsFrameItems;
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struct nsAbsoluteItems;
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struct nsTableCreator;
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class nsStyleContext;
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struct nsTableList;
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struct nsStyleContent;
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struct nsStyleDisplay;
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class nsIPresShell;
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class nsVoidArray;
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class nsFrameManager;
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class nsIDOMHTMLSelectElement;
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class nsPresContext;
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class nsStyleChangeList;
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class nsIFrame;
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struct nsFindFrameHint
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{
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nsIFrame *mPrimaryFrameForPrevSibling; // weak ref to the primary frame for the content for which we need a frame
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nsFindFrameHint() : mPrimaryFrameForPrevSibling(nsnull) { }
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};
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struct nsFrameConstructorState;
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class nsCSSFrameConstructor
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{
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public:
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nsCSSFrameConstructor(nsIDocument *aDocument);
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~nsCSSFrameConstructor(void) {}
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// Maintain global objects - gXBLService
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static nsIXBLService * GetXBLService();
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static void ReleaseGlobals() { NS_IF_RELEASE(gXBLService); }
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// get the alternate text for a content node
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static void GetAlternateTextFor(nsIContent* aContent,
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nsIAtom* aTag, // content object's tag
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nsString& aAltText);
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private:
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// These are not supported and are not implemented!
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nsCSSFrameConstructor(const nsCSSFrameConstructor& aCopy);
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nsCSSFrameConstructor& operator=(const nsCSSFrameConstructor& aCopy);
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public:
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nsresult ConstructRootFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsIContent* aDocElement,
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nsIFrame*& aNewFrame);
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nsresult ReconstructDocElementHierarchy(nsPresContext* aPresContext);
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nsresult ContentAppended(nsPresContext* aPresContext,
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nsIContent* aContainer,
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PRInt32 aNewIndexInContainer);
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nsresult ContentInserted(nsPresContext* aPresContext,
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nsIContent* aContainer,
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nsIFrame* aContainerFrame,
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nsIContent* aChild,
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PRInt32 aIndexInContainer,
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nsILayoutHistoryState* aFrameState,
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PRBool aInReinsertContent);
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nsresult ContentRemoved(nsPresContext* aPresContext,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer,
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PRBool aInReinsertContent);
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nsresult CharacterDataChanged(nsPresContext* aPresContext,
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nsIContent* aContent,
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PRBool aAppend);
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nsresult ContentStatesChanged(nsPresContext* aPresContext,
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nsIContent* aContent1,
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nsIContent* aContent2,
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PRInt32 aStateMask);
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void GeneratedContentFrameRemoved(nsIFrame* aFrame);
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nsresult AttributeChanged(nsPresContext* aPresContext,
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nsIContent* aContent,
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PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aModType);
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void BeginUpdate() { ++mUpdateCount; }
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void EndUpdate();
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void WillDestroyFrameTree();
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nsresult ProcessRestyledFrames(nsStyleChangeList& aRestyleArray,
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nsPresContext* aPresContext);
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void ProcessPendingRestyles();
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void PostRestyleEvent(nsIContent* aContent, nsReStyleHint aRestyleHint,
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nsChangeHint aMinChangeHint);
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// Notification that we were unable to render a replaced element.
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nsresult CantRenderReplacedElement(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsIFrame* aFrame);
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// Request to create a continuing frame
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nsresult CreateContinuingFrame(nsPresContext* aPresContext,
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nsIFrame* aFrame,
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nsIFrame* aParentFrame,
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nsIFrame** aContinuingFrame);
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// Request to find the primary frame associated with a given content object.
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// This is typically called by the pres shell when there is no mapping in
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// the pres shell hash table
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nsresult FindPrimaryFrameFor(nsPresContext* aPresContext,
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nsFrameManager* aFrameManager,
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nsIContent* aContent,
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nsIFrame** aFrame,
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nsFindFrameHint* aHint);
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// Get the XBL insertion point for a child
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nsresult GetInsertionPoint(nsIPresShell* aPresShell,
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nsIFrame* aParentFrame,
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nsIContent* aChildContent,
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nsIFrame** aInsertionPoint,
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PRBool* aMultiple = nsnull);
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nsresult CreateListBoxContent(nsPresContext* aPresContext,
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nsIFrame* aParentFrame,
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nsIFrame* aPrevFrame,
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nsIContent* aChild,
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nsIFrame** aResult,
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PRBool aIsAppend,
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PRBool aIsScrollbar,
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nsILayoutHistoryState* aFrameState);
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nsresult RemoveMappingsForFrameSubtree(nsPresContext* aParentFrame,
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nsIFrame* aRemovedFrame,
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nsILayoutHistoryState* aFrameState);
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private:
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nsresult ReinsertContent(nsPresContext* aPresContext,
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nsIContent* aContainer,
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nsIContent* aChild);
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nsresult ConstructPageFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsIFrame* aParentFrame,
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nsIFrame* aPrevPageFrame,
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nsIFrame*& aPageFrame,
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nsIFrame*& aPageContentFrame);
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void DoContentStateChanged(nsPresContext* aPresContext,
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nsIContent* aContent,
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PRInt32 aStateMask);
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public:
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/* aMinHint is the minimal change that should be made to the element */
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void RestyleElement(nsPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aPrimaryFrame,
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nsChangeHint aMinHint);
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void RestyleLaterSiblings(nsPresContext* aPresContext,
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nsIContent* aContent);
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private:
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nsresult InitAndRestoreFrame (nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsStyleContext* aStyleContext,
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nsIFrame* aPrevInFlow,
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nsIFrame* aNewFrame);
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already_AddRefed<nsStyleContext>
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ResolveStyleContext(nsPresContext* aPresContext,
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nsIFrame* aParentFrame,
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nsIContent* aContent);
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nsresult ConstructFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsFrameItems& aFrameItems);
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nsresult ConstructDocElementFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aDocElement,
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nsIFrame* aParentFrame,
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nsIFrame*& aNewFrame);
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nsresult ConstructDocElementTableFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsIContent* aDocElement,
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nsIFrame* aParentFrame,
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nsIFrame*& aNewTableFrame,
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nsFrameConstructorState& aState);
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nsresult CreateGeneratedFrameFor(nsPresContext* aPresContext,
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nsIDocument* aDocument,
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nsIFrame* aParentFrame,
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nsIContent* aContent,
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nsStyleContext* aStyleContext,
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const nsStyleContent* aStyleContent,
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PRUint32 aContentIndex,
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nsIFrame** aFrame);
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PRBool CreateGeneratedContentFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIFrame* aFrame,
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nsIContent* aContent,
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nsStyleContext* aStyleContext,
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nsIAtom* aPseudoElement,
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nsIFrame** aResult);
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nsresult AppendFrames(nsPresContext* aPresContext,
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nsIPresShell* aPresShell,
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nsFrameManager* aFrameManager,
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nsIContent* aContainer,
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nsIFrame* aParentFrame,
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nsIFrame* aFrameList);
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// BEGIN TABLE SECTION
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/**
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* ConstructTableFrame will construct the outer and inner table frames and
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* return them. Unless aIsPseudo is PR_TRUE, it will put the inner frame in
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* the child list of the outer frame, and will put any pseudo frames it had
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* to create into aChildItems. The newly-created outer frame will either be
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* in aChildItems or a descendant of a pseudo in aChildItems (unless it's
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* positioned, in which case its placeholder will be in aChildItems).
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*/
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nsresult ConstructTableFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aContentParent,
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nsStyleContext* aStyleContext,
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nsTableCreator& aTableCreator,
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PRBool aIsPseudo,
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nsFrameItems& aChildItems,
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nsIFrame*& aNewOuterFrame,
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nsIFrame*& aNewInnerFrame);
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nsresult ConstructTableCaptionFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsStyleContext* aStyleContext,
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nsTableCreator& aTableCreator,
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nsFrameItems& aChildItems,
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nsIFrame*& aNewFrame,
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PRBool& aIsPseudoParent);
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nsresult ConstructTableRowGroupFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsStyleContext* aStyleContext,
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nsTableCreator& aTableCreator,
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PRBool aIsPseudo,
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nsFrameItems& aChildItems,
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nsIFrame*& aNewFrame,
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PRBool& aIsPseudoParent);
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nsresult ConstructTableColGroupFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsStyleContext* aStyleContext,
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nsTableCreator& aTableCreator,
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PRBool aIsPseudo,
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nsFrameItems& aChildItems,
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nsIFrame*& aNewFrame,
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PRBool& aIsPseudoParent);
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nsresult ConstructTableRowFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsStyleContext* aStyleContext,
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nsTableCreator& aTableCreator,
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PRBool aIsPseudo,
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nsFrameItems& aChildItems,
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nsIFrame*& aNewFrame,
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PRBool& aIsPseudoParent);
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nsresult ConstructTableColFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsStyleContext* aStyleContext,
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nsTableCreator& aTableCreator,
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PRBool aIsPseudo,
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nsFrameItems& aChildItems,
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nsIFrame*& aNewFrame,
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PRBool& aIsPseudoParent);
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nsresult ConstructTableCellFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsStyleContext* aStyleContext,
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nsTableCreator& aTableCreator,
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PRBool aIsPseudo,
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nsFrameItems& aChildItems,
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nsIFrame*& aNewCellOuterFrame,
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nsIFrame*& aNewCellInnerFrame,
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PRBool& aIsPseudoParent);
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PRBool MustGeneratePseudoParent(nsPresContext* aPresContext,
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nsIFrame* aParentFrame,
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nsIAtom* aTag,
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nsIContent* aContent,
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nsStyleContext* aContext);
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/**
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* ConstructTableForeignFrame constructs the frame for a non-table-element
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* child of a table-element frame (where "table-element" can mean rows,
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* cells, etc). This function will insert the new frame in the right child
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* list automatically, create placeholders for it in the right places as
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* needed, etc (hence does not return the new frame).
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*/
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nsresult ConstructTableForeignFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrameIn,
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nsStyleContext* aStyleContext,
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nsTableCreator& aTableCreator,
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nsFrameItems& aChildItems);
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nsresult CreatePseudoTableFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsTableCreator& aTableCreator,
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nsFrameConstructorState& aState,
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nsIFrame* aParentFrameIn = nsnull);
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nsresult CreatePseudoRowGroupFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsTableCreator& aTableCreator,
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nsFrameConstructorState& aState,
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nsIFrame* aParentFrameIn = nsnull);
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nsresult CreatePseudoColGroupFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsTableCreator& aTableCreator,
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nsFrameConstructorState& aState,
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nsIFrame* aParentFrameIn = nsnull);
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nsresult CreatePseudoRowFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsTableCreator& aTableCreator,
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nsFrameConstructorState& aState,
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nsIFrame* aParentFrameIn = nsnull);
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nsresult CreatePseudoCellFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsTableCreator& aTableCreator,
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nsFrameConstructorState& aState,
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nsIFrame* aParentFrameIn = nsnull);
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nsresult GetPseudoTableFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsTableCreator& aTableCreator,
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nsFrameConstructorState& aState,
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nsIFrame& aParentFrameIn);
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nsresult GetPseudoColGroupFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsTableCreator& aTableCreator,
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nsFrameConstructorState& aState,
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nsIFrame& aParentFrameIn);
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nsresult GetPseudoRowGroupFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsTableCreator& aTableCreator,
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nsFrameConstructorState& aState,
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nsIFrame& aParentFrameIn);
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nsresult GetPseudoRowFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsTableCreator& aTableCreator,
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nsFrameConstructorState& aState,
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nsIFrame& aParentFrameIn);
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nsresult GetPseudoCellFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsTableCreator& aTableCreator,
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nsFrameConstructorState& aState,
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nsIFrame& aParentFrameIn);
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nsresult GetParentFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsTableCreator& aTableCreator,
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nsIFrame& aParentFrameIn,
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nsIAtom* aChildFrameType,
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nsFrameConstructorState& aState,
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nsIFrame*& aParentFrame,
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PRBool& aIsPseudoParent);
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nsresult TableProcessChildren(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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nsTableCreator& aTableCreator,
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nsFrameItems& aChildItems,
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nsIFrame*& aCaption);
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nsresult TableProcessChild(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aChildContent,
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nsIContent* aParentContent,
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nsIFrame* aParentFrame,
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nsIAtom* aParentFrameType,
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nsStyleContext* aParentStyleContext,
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nsTableCreator& aTableCreator,
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nsFrameItems& aChildItems,
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nsIFrame*& aCaption);
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const nsStyleDisplay* GetDisplay(nsIFrame* aFrame);
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// END TABLE SECTION
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protected:
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static nsresult CreatePlaceholderFrameFor(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameManager* aFrameManager,
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nsIContent* aContent,
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nsIFrame* aFrame,
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nsStyleContext* aStyleContext,
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nsIFrame* aParentFrame,
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nsIFrame** aPlaceholderFrame);
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private:
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nsresult ConstructAlternateFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsIContent* aContent,
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nsStyleContext* aStyleContext,
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nsIFrame* aGeometricParent,
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nsIFrame* aContentParent,
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nsIFrame*& aFrame);
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|
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nsresult ConstructRadioControlFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
|
|
nsIFrame*& aNewFrame,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
nsresult ConstructCheckboxControlFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsIFrame*& aNewFrame,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
// ConstructSelectFrame puts the new frame in aFrameItems and
|
|
// handles the kids of the select.
|
|
nsresult ConstructSelectFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
nsStyleContext* aStyleContext,
|
|
nsIFrame*& aNewFrame,
|
|
const nsStyleDisplay* aStyleDisplay,
|
|
PRBool& aFrameHasBeenInitialized,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
// ConstructFieldSetFrame puts the new frame in aFrameItems and
|
|
// handles the kids of the fieldset
|
|
nsresult ConstructFieldSetFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
nsStyleContext* aStyleContext,
|
|
nsIFrame*& aNewFrame,
|
|
nsFrameItems& aFrameItems,
|
|
const nsStyleDisplay* aStyleDisplay,
|
|
PRBool& aFrameHasBeenInitialized);
|
|
|
|
nsresult ConstructTextFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult ConstructPageBreakFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
// Construct a page break frame if page-break-before:always is set in aStyleContext
|
|
// and add it to aFrameItems. Return true if page-break-after:always is set on aStyleContext.
|
|
// Don't do this for row groups, rows or cell, because tables handle those internally.
|
|
PRBool PageBreakBefore(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult ConstructHTMLFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult ConstructFrameInternal( nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aXBLBaseTag);
|
|
|
|
nsresult CreateAnonymousFrames(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsIAtom* aTag,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aParent,
|
|
nsIFrame* aNewFrame,
|
|
PRBool aAppendToExisting,
|
|
nsFrameItems& aChildItems,
|
|
PRBool aIsRoot = PR_FALSE);
|
|
|
|
nsresult CreateAnonymousFrames(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aParent,
|
|
nsIDocument* aDocument,
|
|
nsIFrame* aNewFrame,
|
|
PRBool aForceBindingParent,
|
|
PRBool aAppendToExisting,
|
|
nsFrameItems& aChildItems);
|
|
|
|
//MathML Mod - RBS
|
|
#ifdef MOZ_MATHML
|
|
nsresult ConstructMathMLFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems);
|
|
#endif
|
|
|
|
nsresult ConstructXULFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aXBLBaseTag,
|
|
PRBool& aHaltProcessing);
|
|
|
|
|
|
// XTF
|
|
#ifdef MOZ_XTF
|
|
nsresult ConstructXTFFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems);
|
|
#endif
|
|
|
|
// SVG - rods
|
|
#ifdef MOZ_SVG
|
|
nsresult TestSVGConditions(nsIContent* aContent,
|
|
PRBool& aHasRequiredExtensions,
|
|
PRBool& aHasRequiredFeatures,
|
|
PRBool& aHasSystemLanguage);
|
|
|
|
nsresult SVGSwitchProcessChildren(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult ConstructSVGFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems);
|
|
#endif
|
|
|
|
nsresult ConstructFrameByDisplayType(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
const nsStyleDisplay* aDisplay,
|
|
nsIContent* aContent,
|
|
PRInt32 aNameSpaceID,
|
|
nsIAtom* aTag,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult ProcessChildren(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame,
|
|
PRBool aCanHaveGeneratedContent,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aParentIsBlock,
|
|
nsTableCreator* aTableCreator = nsnull);
|
|
|
|
nsresult CreateInputFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIFrame*& aFrame,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
nsresult AddDummyFrameToSelect(nsPresContext* aPresContext,
|
|
nsIPresShell* aPresShell,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* aListFrame,
|
|
nsIFrame* aParentFrame,
|
|
nsFrameItems* aChildItems,
|
|
nsIContent* aContainer,
|
|
nsIDOMHTMLSelectElement* aSelectElement);
|
|
|
|
nsresult RemoveDummyFrameFromSelect(nsPresContext* aPresContext,
|
|
nsIPresShell* aPresShell,
|
|
nsIContent* aContainer,
|
|
nsIContent* aChild,
|
|
nsIDOMHTMLSelectElement* aSelectElement);
|
|
|
|
nsIFrame* GetFrameFor(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsIContent* aContent);
|
|
|
|
nsIFrame* GetAbsoluteContainingBlock(nsPresContext* aPresContext,
|
|
nsIFrame* aFrame);
|
|
|
|
nsIFrame* GetFloatContainingBlock(nsPresContext* aPresContext,
|
|
nsIFrame* aFrame);
|
|
|
|
nsIContent* PropagateScrollToViewport(nsPresContext* aPresContext);
|
|
|
|
// Build a scroll frame:
|
|
// Calls BeginBuildingScrollFrame, InitAndRestoreFrame, and then FinishBuildingScrollFrame
|
|
//
|
|
// NOTE: this method does NOT set the primary frame for the content element
|
|
//
|
|
nsresult
|
|
BuildScrollFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aContentStyle,
|
|
nsIFrame* aScrolledFrame,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aContentParentFrame,
|
|
nsIFrame*& aNewFrame,
|
|
nsStyleContext*& aScrolledChildStyle);
|
|
|
|
// Builds the initial ScrollFrame
|
|
already_AddRefed<nsStyleContext>
|
|
BeginBuildingScrollFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aContentStyle,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aContentParentFrame,
|
|
nsIAtom* aScrolledPseudo,
|
|
nsIDocument* aDocument,
|
|
PRBool aIsRoot,
|
|
nsIFrame*& aNewFrame,
|
|
nsIFrame*& aScrollableFrame);
|
|
|
|
// Completes the building of the scrollframe:
|
|
// Creates and necessary views for the scrollframe and sets up the initial child list
|
|
//
|
|
nsresult
|
|
FinishBuildingScrollFrame(nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aScrollFrame,
|
|
nsIFrame* aScrolledFrame,
|
|
nsStyleContext* scrolledPseudoStyle);
|
|
|
|
// Creates a new GfxScrollFrame, Initializes it, and creates a scroll port for it
|
|
//
|
|
nsresult
|
|
InitGfxScrollFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIDocument* aDocument,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aContentParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
PRBool aIsRoot,
|
|
nsIFrame*& aNewFrame,
|
|
nsFrameItems& aAnonymousFrames);
|
|
|
|
|
|
// InitializeSelectFrame puts scrollFrame in aFrameItems if aBuildCombobox is false
|
|
nsresult
|
|
InitializeSelectFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* scrollFrame,
|
|
nsIFrame* scrolledFrame,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
PRBool aBuildCombobox,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult MaybeRecreateFramesForContent(nsPresContext* aPresContext,
|
|
nsIContent* aContent);
|
|
|
|
nsresult RecreateFramesForContent(nsPresContext* aPresContext,
|
|
nsIContent* aContent);
|
|
|
|
nsresult RecreateFramesOnAttributeChange(nsPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIAtom* aAttribute);
|
|
|
|
nsresult CreateContinuingOuterTableFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
nsIFrame* aParentFrame,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext,
|
|
nsIFrame** aContinuingFrame);
|
|
|
|
nsresult CreateContinuingTableFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
nsIFrame* aParentFrame,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext,
|
|
nsIFrame** aContinuingFrame);
|
|
|
|
//----------------------------------------
|
|
|
|
// Methods support creating block frames and their children
|
|
|
|
static already_AddRefed<nsStyleContext>
|
|
GetFirstLetterStyle(nsPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
static already_AddRefed<nsStyleContext>
|
|
GetFirstLineStyle(nsPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
static PRBool HaveFirstLetterStyle(nsPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
static PRBool HaveFirstLineStyle(nsPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
static void HaveSpecialBlockStyle(nsPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext,
|
|
PRBool* aHaveFirstLetterStyle,
|
|
PRBool* aHaveFirstLineStyle);
|
|
|
|
PRBool ShouldCreateFirstLetterFrame(nsPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame);
|
|
|
|
// |aContentParentFrame| should be null if it's really the same as
|
|
// |aParentFrame|.
|
|
// aFrameItems is where we want to put the block in case it's in-flow
|
|
nsresult ConstructBlock(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
const nsStyleDisplay* aDisplay,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aContentParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsIFrame** aNewFrame,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aRelPos);
|
|
|
|
nsresult ConstructInline(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
const nsStyleDisplay* aDisplay,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
PRBool aIsPositioned,
|
|
nsIFrame* aNewFrame);
|
|
|
|
nsresult ProcessInlineChildren(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame,
|
|
PRBool aCanHaveGeneratedContent,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool* aKidsAllInline);
|
|
|
|
PRBool AreAllKidsInline(nsIFrame* aFrameList);
|
|
|
|
PRBool WipeContainingBlock(nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* blockContent,
|
|
nsIFrame* aFrame,
|
|
nsIFrame* aFrameList);
|
|
|
|
PRBool NeedSpecialFrameReframe(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsIContent* aParent1,
|
|
nsIContent* aParent2,
|
|
nsIFrame*& aParentFrame,
|
|
nsIContent* aChild,
|
|
PRInt32 aIndexInContainer,
|
|
nsIFrame*& aPrevSibling,
|
|
nsIFrame* aNextSibling);
|
|
|
|
nsresult SplitToContainingBlock(nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* aFrame,
|
|
nsIFrame* aLeftInlineChildFrame,
|
|
nsIFrame* aBlockChildFrame,
|
|
nsIFrame* aRightInlineChildFrame,
|
|
PRBool aTransfer);
|
|
|
|
nsresult ReframeContainingBlock(nsPresContext* aPresContext, nsIFrame* aFrame);
|
|
|
|
nsresult StyleChangeReflow(nsPresContext* aPresContext, nsIFrame* aFrame, nsIAtom* aAttribute);
|
|
|
|
/** Helper function that searches the immediate child frames
|
|
* (and their children if the frames are "special")
|
|
* for a frame that maps the specified content object
|
|
*
|
|
* @param aPresContext the presentation context
|
|
* @param aParentFrame the primary frame for aParentContent
|
|
* @param aContent the content node for which we seek a frame
|
|
* @param aParentContent the parent for aContent
|
|
* @param aHint an optional hint used to make the search for aFrame faster
|
|
*/
|
|
nsIFrame* FindFrameWithContent(nsPresContext* aPresContext,
|
|
nsFrameManager* aFrameManager,
|
|
nsIFrame* aParentFrame,
|
|
nsIContent* aParentContent,
|
|
nsIContent* aContent,
|
|
nsFindFrameHint* aHint);
|
|
|
|
//----------------------------------------
|
|
|
|
// Methods support :first-letter style
|
|
|
|
nsIContent* FindBlockFor(nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aContainer);
|
|
|
|
void CreateFloatingLetterFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aTextContent,
|
|
nsIFrame* aTextFrame,
|
|
nsIContent* aBlockContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aResult);
|
|
|
|
nsresult CreateLetterFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aTextContent,
|
|
nsIFrame* aParentFrame,
|
|
nsFrameItems& aResult);
|
|
|
|
nsresult WrapFramesInFirstLetterFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aBlockContent,
|
|
nsIFrame* aBlockFrame,
|
|
nsFrameItems& aBlockFrames);
|
|
|
|
nsresult WrapFramesInFirstLetterFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aParentFrameList,
|
|
nsIFrame** aModifiedParent,
|
|
nsIFrame** aTextFrame,
|
|
nsIFrame** aPrevFrame,
|
|
nsFrameItems& aLetterFrame,
|
|
PRBool* aStopLooking);
|
|
|
|
nsresult RecoverLetterFrames(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* aBlockFrame);
|
|
|
|
//
|
|
nsresult RemoveLetterFrames(nsPresContext* aPresContext,
|
|
nsIPresShell* aPresShell,
|
|
nsFrameManager* aFrameManager,
|
|
nsIFrame* aBlockFrame);
|
|
|
|
// Recursive helper for RemoveLetterFrames
|
|
nsresult RemoveFirstLetterFrames(nsPresContext* aPresContext,
|
|
nsIPresShell* aPresShell,
|
|
nsFrameManager* aFrameManager,
|
|
nsIFrame* aFrame,
|
|
PRBool* aStopLooking);
|
|
|
|
// Special remove method for those pesky floating first-letter frames
|
|
nsresult RemoveFloatingFirstLetterFrames(nsPresContext* aPresContext,
|
|
nsIPresShell* aPresShell,
|
|
nsFrameManager* aFrameManager,
|
|
nsIFrame* aBlockFrame,
|
|
PRBool* aStopLooking);
|
|
|
|
// Capture state for the frame tree rooted at the frame associated with the
|
|
// content object, aContent
|
|
nsresult CaptureStateForFramesOf(nsPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsILayoutHistoryState* aHistoryState);
|
|
|
|
// Capture state for the frame tree rooted at aFrame.
|
|
nsresult CaptureStateFor(nsPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
nsILayoutHistoryState* aHistoryState);
|
|
|
|
//----------------------------------------
|
|
|
|
// Methods support :first-line style
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nsresult WrapFramesInFirstLineFrame(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aFrame,
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nsFrameItems& aFrameItems);
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nsresult AppendFirstLineFrames(nsIPresShell* aPresShell,
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nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aBlockFrame,
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nsFrameItems& aFrameItems);
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nsresult InsertFirstLineFrames(nsPresContext* aPresContext,
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nsFrameConstructorState& aState,
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nsIContent* aContent,
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nsIFrame* aBlockFrame,
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nsIFrame** aParentFrame,
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nsIFrame* aPrevSibling,
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nsFrameItems& aFrameItems);
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nsresult RemoveFixedItems(nsPresContext* aPresContext,
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nsIPresShell* aPresShell,
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nsFrameManager* aFrameManager);
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// Find the ``rightmost'' frame for the content immediately preceding
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// aIndexInContainer, following continuations if necessary. If aChild is
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// not null, make sure it passes the call to IsValidSibling
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nsIFrame* FindPreviousSibling(nsIPresShell* aPresShell,
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nsIContent* aContainer,
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nsIFrame* aContainerFrame,
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PRInt32 aIndexInContainer,
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const nsIContent* aChild = nsnull);
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// Find the frame for the content node immediately following aIndexInContainer.
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// If aChild is not null, make sure it passes the call to IsValidSibling
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nsIFrame* FindNextSibling(nsIPresShell* aPresShell,
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nsIContent* aContainer,
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nsIFrame* aContainerFrame,
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PRInt32 aIndexInContainer,
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const nsIContent* aChild = nsnull);
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// see if aContent and aSibling are legimiate siblings due to restrictions
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// imposed by table columns
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PRBool IsValidSibling(nsIPresShell& aPresShell,
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nsIFrame* aParentFrame,
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const nsIFrame& aSibling,
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PRUint8 aSiblingDisplay,
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nsIContent& aContent,
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PRUint8& aDisplay);
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void QuotesDirty() {
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if (mUpdateCount != 0)
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mQuotesDirty = PR_TRUE;
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else
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mQuoteList.RecalcAll();
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}
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public:
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struct RestyleData;
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friend struct RestyleData;
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struct RestyleData {
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nsReStyleHint mRestyleHint; // What we want to restyle
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nsChangeHint mChangeHint; // The minimal change hint for "self"
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};
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struct RestyleEnumerateData : public RestyleData {
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nsCOMPtr<nsIContent> mContent;
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};
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struct RestyleEvent;
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friend struct RestyleEvent;
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struct RestyleEvent : public PLEvent {
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RestyleEvent(nsCSSFrameConstructor* aConstructor);
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~RestyleEvent() { }
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void HandleEvent();
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};
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friend struct nsFrameConstructorState;
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protected:
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nsCOMPtr<nsIEventQueue> mRestyleEventQueue;
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private:
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nsIDocument* mDocument;
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nsIFrame* mInitialContainingBlock;
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nsIFrame* mFixedContainingBlock;
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nsIFrame* mDocElementContainingBlock;
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nsIFrame* mGfxScrollFrame;
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nsQuoteList mQuoteList;
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PRUint16 mUpdateCount;
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PRPackedBool mQuotesDirty;
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nsCOMPtr<nsILayoutHistoryState> mTempFrameTreeState;
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nsCOMPtr<nsIEventQueueService> mEventQueueService;
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nsDataHashtable<nsISupportsHashKey, RestyleData> mPendingRestyles;
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|
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static nsIXBLService * gXBLService;
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};
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#endif /* nsCSSFrameConstructor_h___ */
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