mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-07-08 02:10:14 +02:00
1048 lines
52 KiB
C++
1048 lines
52 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
#ifndef nsCSSFrameConstructor_h___
|
|
#define nsCSSFrameConstructor_h___
|
|
|
|
#include "nsCOMPtr.h"
|
|
#include "nsILayoutHistoryState.h"
|
|
#include "nsIXBLService.h"
|
|
#include "nsQuoteList.h"
|
|
#include "nsCounterManager.h"
|
|
#include "nsDataHashtable.h"
|
|
#include "nsHashKeys.h"
|
|
#include "plevent.h"
|
|
#include "nsIEventQueueService.h"
|
|
#include "nsIEventQueue.h"
|
|
|
|
class nsIDocument;
|
|
struct nsFrameItems;
|
|
struct nsAbsoluteItems;
|
|
struct nsTableCreator;
|
|
class nsStyleContext;
|
|
struct nsTableList;
|
|
struct nsStyleContent;
|
|
struct nsStyleDisplay;
|
|
class nsIPresShell;
|
|
class nsVoidArray;
|
|
class nsFrameManager;
|
|
class nsIDOMHTMLSelectElement;
|
|
class nsPresContext;
|
|
class nsStyleChangeList;
|
|
class nsIFrame;
|
|
|
|
struct nsFindFrameHint
|
|
{
|
|
nsIFrame *mPrimaryFrameForPrevSibling; // weak ref to the primary frame for the content for which we need a frame
|
|
nsFindFrameHint() : mPrimaryFrameForPrevSibling(nsnull) { }
|
|
};
|
|
|
|
class nsFrameConstructorState;
|
|
class nsFrameConstructorSaveState;
|
|
|
|
class nsCSSFrameConstructor
|
|
{
|
|
public:
|
|
nsCSSFrameConstructor(nsIDocument *aDocument, nsIPresShell* aPresShell);
|
|
~nsCSSFrameConstructor(void) {}
|
|
|
|
// Maintain global objects - gXBLService
|
|
static nsIXBLService * GetXBLService();
|
|
static void ReleaseGlobals() { NS_IF_RELEASE(gXBLService); }
|
|
|
|
// get the alternate text for a content node
|
|
static void GetAlternateTextFor(nsIContent* aContent,
|
|
nsIAtom* aTag, // content object's tag
|
|
nsXPIDLString& aAltText);
|
|
private:
|
|
// These are not supported and are not implemented!
|
|
nsCSSFrameConstructor(const nsCSSFrameConstructor& aCopy);
|
|
nsCSSFrameConstructor& operator=(const nsCSSFrameConstructor& aCopy);
|
|
|
|
public:
|
|
// XXXbz this method needs to actually return errors!
|
|
nsresult ConstructRootFrame(nsIContent* aDocElement,
|
|
nsIFrame** aNewFrame);
|
|
|
|
nsresult ReconstructDocElementHierarchy();
|
|
|
|
nsresult ContentAppended(nsIContent* aContainer,
|
|
PRInt32 aNewIndexInContainer);
|
|
|
|
nsresult ContentInserted(nsIContent* aContainer,
|
|
nsIFrame* aContainerFrame,
|
|
nsIContent* aChild,
|
|
PRInt32 aIndexInContainer,
|
|
nsILayoutHistoryState* aFrameState,
|
|
PRBool aInReinsertContent);
|
|
|
|
nsresult ContentRemoved(nsIContent* aContainer,
|
|
nsIContent* aChild,
|
|
PRInt32 aIndexInContainer,
|
|
PRBool aInReinsertContent);
|
|
|
|
nsresult CharacterDataChanged(nsIContent* aContent,
|
|
PRBool aAppend);
|
|
|
|
nsresult ContentStatesChanged(nsIContent* aContent1,
|
|
nsIContent* aContent2,
|
|
PRInt32 aStateMask);
|
|
|
|
// Should be called when a frame is going to be destroyed and
|
|
// WillDestroyFrameTree hasn't been called yet.
|
|
void NotifyDestroyingFrame(nsIFrame* aFrame);
|
|
|
|
nsresult AttributeChanged(nsIContent* aContent,
|
|
PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aModType);
|
|
|
|
void BeginUpdate() { ++mUpdateCount; }
|
|
void EndUpdate();
|
|
void RecalcQuotesAndCounters();
|
|
|
|
void WillDestroyFrameTree();
|
|
|
|
// Note: It's the caller's responsibility to make sure to wrap a
|
|
// ProcessRestyledFrames call in a view update batch.
|
|
// This function does not call ProcessAttachedQueue() on the binding manager.
|
|
// If the caller wants that to happen synchronously, it needs to handle that
|
|
// itself.
|
|
nsresult ProcessRestyledFrames(nsStyleChangeList& aRestyleArray);
|
|
|
|
private:
|
|
// This function does not call ProcessAttachedQueue() on the binding manager.
|
|
// If the caller wants that to happen synchronously, it needs to handle that
|
|
// itself.
|
|
void ProcessOneRestyle(nsIContent* aContent, nsReStyleHint aRestyleHint,
|
|
nsChangeHint aChangeHint);
|
|
|
|
public:
|
|
// This function does not call ProcessAttachedQueue() on the binding manager.
|
|
// If the caller wants that to happen synchronously, it needs to handle that
|
|
// itself.
|
|
void ProcessPendingRestyles();
|
|
|
|
void PostRestyleEvent(nsIContent* aContent, nsReStyleHint aRestyleHint,
|
|
nsChangeHint aMinChangeHint);
|
|
|
|
// Notification that we were unable to render a replaced element.
|
|
nsresult CantRenderReplacedElement(nsIFrame* aFrame);
|
|
|
|
// Request to create a continuing frame
|
|
nsresult CreateContinuingFrame(nsPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame** aContinuingFrame);
|
|
|
|
// Request to find the primary frame associated with a given content object.
|
|
// This is typically called by the pres shell when there is no mapping in
|
|
// the pres shell hash table
|
|
nsresult FindPrimaryFrameFor(nsFrameManager* aFrameManager,
|
|
nsIContent* aContent,
|
|
nsIFrame** aFrame,
|
|
nsFindFrameHint* aHint);
|
|
|
|
// Get the XBL insertion point for a child
|
|
nsresult GetInsertionPoint(nsIFrame* aParentFrame,
|
|
nsIContent* aChildContent,
|
|
nsIFrame** aInsertionPoint,
|
|
PRBool* aMultiple = nsnull);
|
|
|
|
nsresult CreateListBoxContent(nsPresContext* aPresContext,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aPrevFrame,
|
|
nsIContent* aChild,
|
|
nsIFrame** aResult,
|
|
PRBool aIsAppend,
|
|
PRBool aIsScrollbar,
|
|
nsILayoutHistoryState* aFrameState);
|
|
|
|
nsresult RemoveMappingsForFrameSubtree(nsIFrame* aRemovedFrame,
|
|
nsILayoutHistoryState* aFrameState);
|
|
|
|
nsIFrame* GetInitialContainingBlock() { return mInitialContainingBlock; }
|
|
nsIFrame* GetPageSequenceFrame() { return mPageSequenceFrame; }
|
|
|
|
private:
|
|
|
|
nsresult ReinsertContent(nsIContent* aContainer,
|
|
nsIContent* aChild);
|
|
|
|
nsresult ConstructPageFrame(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aPrevPageFrame,
|
|
nsIFrame*& aPageFrame,
|
|
nsIFrame*& aPageContentFrame);
|
|
|
|
void DoContentStateChanged(nsIContent* aContent,
|
|
PRInt32 aStateMask);
|
|
|
|
private:
|
|
/* aMinHint is the minimal change that should be made to the element */
|
|
void RestyleElement(nsIContent* aContent,
|
|
nsIFrame* aPrimaryFrame,
|
|
nsChangeHint aMinHint);
|
|
|
|
void RestyleLaterSiblings(nsIContent* aContent);
|
|
|
|
nsresult InitAndRestoreFrame (const nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsIFrame* aPrevInFlow,
|
|
nsIFrame* aNewFrame,
|
|
PRBool aAllowCounters = PR_TRUE);
|
|
|
|
already_AddRefed<nsStyleContext>
|
|
ResolveStyleContext(nsIFrame* aParentFrame,
|
|
nsIContent* aContent);
|
|
|
|
nsresult ConstructFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult ConstructDocElementFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aDocElement,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame** aNewFrame);
|
|
|
|
nsresult ConstructDocElementTableFrame(nsIContent* aDocElement,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame** aNewTableFrame,
|
|
nsFrameConstructorState& aState);
|
|
|
|
nsresult CreateGeneratedFrameFor(nsIFrame* aParentFrame,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext,
|
|
const nsStyleContent* aStyleContent,
|
|
PRUint32 aContentIndex,
|
|
nsIFrame** aFrame);
|
|
|
|
PRBool CreateGeneratedContentFrame(nsFrameConstructorState& aState,
|
|
nsIFrame* aFrame,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext,
|
|
nsIAtom* aPseudoElement,
|
|
nsIFrame** aResult);
|
|
|
|
nsresult AppendFrames(const nsFrameConstructorState& aState,
|
|
nsIContent* aContainer,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aFrameList,
|
|
nsIFrame* aAfterFrame);
|
|
|
|
// BEGIN TABLE SECTION
|
|
/**
|
|
* ConstructTableFrame will construct the outer and inner table frames and
|
|
* return them. Unless aIsPseudo is PR_TRUE, it will put the inner frame in
|
|
* the child list of the outer frame, and will put any pseudo frames it had
|
|
* to create into aChildItems. The newly-created outer frame will either be
|
|
* in aChildItems or a descendant of a pseudo in aChildItems (unless it's
|
|
* positioned or floated, in which case its placeholder will be in
|
|
* aChildItems). If aAllowOutOfFlow is false, the table frame will be forced
|
|
* to be in-flow no matter what its float or position values are.
|
|
*/
|
|
nsresult ConstructTableFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aContentParent,
|
|
nsStyleContext* aStyleContext,
|
|
nsTableCreator& aTableCreator,
|
|
PRBool aIsPseudo,
|
|
nsFrameItems& aChildItems,
|
|
PRBool aAllowOutOfFlow,
|
|
nsIFrame*& aNewOuterFrame,
|
|
nsIFrame*& aNewInnerFrame);
|
|
|
|
nsresult ConstructTableCaptionFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsStyleContext* aStyleContext,
|
|
nsTableCreator& aTableCreator,
|
|
nsFrameItems& aChildItems,
|
|
nsIFrame*& aNewFrame,
|
|
PRBool& aIsPseudoParent);
|
|
|
|
nsresult ConstructTableRowGroupFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsStyleContext* aStyleContext,
|
|
nsTableCreator& aTableCreator,
|
|
PRBool aIsPseudo,
|
|
nsFrameItems& aChildItems,
|
|
nsIFrame*& aNewFrame,
|
|
PRBool& aIsPseudoParent);
|
|
|
|
nsresult ConstructTableColGroupFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsStyleContext* aStyleContext,
|
|
nsTableCreator& aTableCreator,
|
|
PRBool aIsPseudo,
|
|
nsFrameItems& aChildItems,
|
|
nsIFrame*& aNewFrame,
|
|
PRBool& aIsPseudoParent);
|
|
|
|
nsresult ConstructTableRowFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsStyleContext* aStyleContext,
|
|
nsTableCreator& aTableCreator,
|
|
PRBool aIsPseudo,
|
|
nsFrameItems& aChildItems,
|
|
nsIFrame*& aNewFrame,
|
|
PRBool& aIsPseudoParent);
|
|
|
|
nsresult ConstructTableColFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsStyleContext* aStyleContext,
|
|
nsTableCreator& aTableCreator,
|
|
PRBool aIsPseudo,
|
|
nsFrameItems& aChildItems,
|
|
nsIFrame*& aNewFrame,
|
|
PRBool& aIsPseudoParent);
|
|
|
|
nsresult ConstructTableCellFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsTableCreator& aTableCreator,
|
|
PRBool aIsPseudo,
|
|
nsFrameItems& aChildItems,
|
|
nsIFrame*& aNewCellOuterFrame,
|
|
nsIFrame*& aNewCellInnerFrame,
|
|
PRBool& aIsPseudoParent);
|
|
|
|
/**
|
|
* ConstructTableForeignFrame constructs the frame for a non-table-element
|
|
* child of a table-element frame (where "table-element" can mean rows,
|
|
* cells, etc). This function will insert the new frame in the right child
|
|
* list automatically, create placeholders for it in the right places as
|
|
* needed, etc (hence does not return the new frame).
|
|
*/
|
|
nsresult ConstructTableForeignFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrameIn,
|
|
nsStyleContext* aStyleContext,
|
|
nsTableCreator& aTableCreator,
|
|
nsFrameItems& aChildItems);
|
|
|
|
nsresult CreatePseudoTableFrame(nsTableCreator& aTableCreator,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* aParentFrameIn = nsnull);
|
|
|
|
nsresult CreatePseudoRowGroupFrame(nsTableCreator& aTableCreator,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* aParentFrameIn = nsnull);
|
|
|
|
nsresult CreatePseudoColGroupFrame(nsTableCreator& aTableCreator,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* aParentFrameIn = nsnull);
|
|
|
|
nsresult CreatePseudoRowFrame(nsTableCreator& aTableCreator,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* aParentFrameIn = nsnull);
|
|
|
|
nsresult CreatePseudoCellFrame(nsTableCreator& aTableCreator,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame* aParentFrameIn = nsnull);
|
|
|
|
nsresult GetPseudoTableFrame(nsTableCreator& aTableCreator,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame& aParentFrameIn);
|
|
|
|
nsresult GetPseudoColGroupFrame(nsTableCreator& aTableCreator,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame& aParentFrameIn);
|
|
|
|
nsresult GetPseudoRowGroupFrame(nsTableCreator& aTableCreator,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame& aParentFrameIn);
|
|
|
|
nsresult GetPseudoRowFrame(nsTableCreator& aTableCreator,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame& aParentFrameIn);
|
|
|
|
nsresult GetPseudoCellFrame(nsTableCreator& aTableCreator,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame& aParentFrameIn);
|
|
|
|
nsresult GetParentFrame(nsTableCreator& aTableCreator,
|
|
nsIFrame& aParentFrameIn,
|
|
nsIAtom* aChildFrameType,
|
|
nsFrameConstructorState& aState,
|
|
nsIFrame*& aParentFrame,
|
|
PRBool& aIsPseudoParent);
|
|
|
|
/**
|
|
* Function to adjust aParentFrame and aFrameItems to deal with table
|
|
* pseudo-frames that may have to be inserted.
|
|
* @param aChildContent the content node we want to construct a frame for
|
|
* @param aChildDisplay the display struct for aChildContent
|
|
* @param aParentFrame the frame we think should be the parent. This will be
|
|
* adjusted to point to a pseudo-frame if needed.
|
|
* @param aTag tag that would be used for frame construction
|
|
* @param aNameSpaceID namespace that will be used for frame construction
|
|
* @param aFrameItems the framelist we think we need to put the child frame
|
|
* into. If we have to construct pseudo-frames, we'll modify the
|
|
* pointer to point to the list the child frame should go into.
|
|
* @param aState the nsFrameConstructorState we're using.
|
|
* @param aSaveState the nsFrameConstructorSaveState we can use for pushing a
|
|
* float containing block if we have to do it.
|
|
* @param aCreatedPseudo whether we had to create a pseudo-parent
|
|
* @return NS_OK on success, NS_ERROR_OUT_OF_MEMORY and such as needed.
|
|
*/
|
|
// XXXbz this function should really go away once we rework pseudo-frame
|
|
// handling to be better. This should simply be part of the job of
|
|
// GetGeometricParent, and stuff like the frameitems and parent frame should
|
|
// be kept track of in the state...
|
|
nsresult AdjustParentFrame(nsIContent* aChildContent,
|
|
const nsStyleDisplay* aChildDisplay,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aChildStyle,
|
|
nsIFrame* & aParentFrame,
|
|
nsFrameItems* & aFrameItems,
|
|
nsFrameConstructorState& aState,
|
|
nsFrameConstructorSaveState& aSaveState,
|
|
PRBool& aCreatedPseudo);
|
|
|
|
nsresult TableProcessChildren(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsTableCreator& aTableCreator,
|
|
nsFrameItems& aChildItems,
|
|
nsIFrame*& aCaption);
|
|
|
|
nsresult TableProcessChild(nsFrameConstructorState& aState,
|
|
nsIContent* aChildContent,
|
|
nsIContent* aParentContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aParentFrameType,
|
|
nsStyleContext* aParentStyleContext,
|
|
nsTableCreator& aTableCreator,
|
|
nsFrameItems& aChildItems,
|
|
nsIFrame*& aCaption);
|
|
|
|
const nsStyleDisplay* GetDisplay(nsIFrame* aFrame);
|
|
|
|
// END TABLE SECTION
|
|
|
|
protected:
|
|
static nsresult CreatePlaceholderFrameFor(nsIPresShell* aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsFrameManager* aFrameManager,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame** aPlaceholderFrame);
|
|
|
|
private:
|
|
nsresult ConstructAlternateFrame(nsIContent* aContent,
|
|
nsStyleContext* aStyleContext,
|
|
nsIFrame* aGeometricParent,
|
|
nsIFrame* aContentParent,
|
|
nsIFrame*& aFrame);
|
|
|
|
// @param OUT aNewFrame the new radio control frame
|
|
nsresult ConstructRadioControlFrame(nsIFrame** aNewFrame,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
// @param OUT aNewFrame the new checkbox control frame
|
|
nsresult ConstructCheckboxControlFrame(nsIFrame** aNewFrame,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
// ConstructSelectFrame puts the new frame in aFrameItems and
|
|
// handles the kids of the select.
|
|
nsresult ConstructSelectFrame(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(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
nsStyleContext* aStyleContext,
|
|
nsIFrame*& aNewFrame,
|
|
nsFrameItems& aFrameItems,
|
|
const nsStyleDisplay* aStyleDisplay,
|
|
PRBool& aFrameHasBeenInitialized);
|
|
|
|
nsresult ConstructTextFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aPseudoParent);
|
|
|
|
nsresult ConstructPageBreakFrame(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(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult ConstructHTMLFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aHasPseudoParent);
|
|
|
|
nsresult ConstructFrameInternal( nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aXBLBaseTag);
|
|
|
|
nsresult CreateAnonymousFrames(nsIAtom* aTag,
|
|
nsFrameConstructorState& aState,
|
|
nsIContent* aParent,
|
|
nsIFrame* aNewFrame,
|
|
PRBool aAppendToExisting,
|
|
nsFrameItems& aChildItems,
|
|
PRBool aIsRoot = PR_FALSE);
|
|
|
|
nsresult CreateAnonymousFrames(nsFrameConstructorState& aState,
|
|
nsIContent* aParent,
|
|
nsIDocument* aDocument,
|
|
nsIFrame* aNewFrame,
|
|
PRBool aForceBindingParent,
|
|
PRBool aAppendToExisting,
|
|
nsFrameItems& aChildItems,
|
|
nsIFrame* aAnonymousCreator,
|
|
nsIContent* aInsertionNode,
|
|
PRBool aAnonymousParentIsBlock);
|
|
|
|
//MathML Mod - RBS
|
|
#ifdef MOZ_MATHML
|
|
nsresult ConstructMathMLFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aHasPseudoParent);
|
|
#endif
|
|
|
|
nsresult ConstructXULFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aXBLBaseTag,
|
|
PRBool aHasPseudoParent,
|
|
PRBool* aHaltProcessing);
|
|
|
|
|
|
// XTF
|
|
#ifdef MOZ_XTF
|
|
nsresult ConstructXTFFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aHasPseudoParent);
|
|
#endif
|
|
|
|
// SVG - rods
|
|
#ifdef MOZ_SVG
|
|
nsresult TestSVGConditions(nsIContent* aContent,
|
|
PRBool& aHasRequiredExtensions,
|
|
PRBool& aHasRequiredFeatures,
|
|
PRBool& aHasSystemLanguage);
|
|
|
|
nsresult SVGSwitchProcessChildren(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult ConstructSVGFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIAtom* aTag,
|
|
PRInt32 aNameSpaceID,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aHasPseudoParent,
|
|
PRBool* aHaltProcessing);
|
|
#endif
|
|
|
|
nsresult ConstructFrameByDisplayType(nsFrameConstructorState& aState,
|
|
const nsStyleDisplay* aDisplay,
|
|
nsIContent* aContent,
|
|
PRInt32 aNameSpaceID,
|
|
nsIAtom* aTag,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aHasPseudoParent);
|
|
|
|
nsresult ProcessChildren(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame,
|
|
PRBool aCanHaveGeneratedContent,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aParentIsBlock,
|
|
nsTableCreator* aTableCreator = nsnull);
|
|
|
|
// @param OUT aFrame the newly created frame
|
|
nsresult CreateInputFrame(nsIContent* aContent,
|
|
nsIFrame** aFrame,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
nsresult AddDummyFrameToSelect(nsFrameConstructorState& aState,
|
|
nsIFrame* aListFrame,
|
|
nsIFrame* aParentFrame,
|
|
nsFrameItems* aChildItems,
|
|
nsIContent* aContainer,
|
|
nsIDOMHTMLSelectElement* aSelectElement);
|
|
|
|
nsresult RemoveDummyFrameFromSelect(nsIContent* aContainer,
|
|
nsIContent* aChild,
|
|
nsIDOMHTMLSelectElement* aSelectElement);
|
|
|
|
nsIFrame* GetFrameFor(nsIContent* aContent);
|
|
|
|
nsIFrame* GetAbsoluteContainingBlock(nsIFrame* aFrame);
|
|
|
|
nsIFrame* GetFloatContainingBlock(nsIFrame* aFrame);
|
|
|
|
nsIContent* PropagateScrollToViewport();
|
|
|
|
// Build a scroll frame:
|
|
// Calls BeginBuildingScrollFrame, InitAndRestoreFrame, and then FinishBuildingScrollFrame.
|
|
// Sets the primary frame for the content to the output aNewFrame.
|
|
// @param aNewFrame the created scrollframe --- output only
|
|
nsresult
|
|
BuildScrollFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aContentStyle,
|
|
nsIFrame* aScrolledFrame,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aContentParentFrame,
|
|
nsIFrame*& aNewFrame,
|
|
nsStyleContext*& aScrolledChildStyle);
|
|
|
|
// Builds the initial ScrollFrame
|
|
already_AddRefed<nsStyleContext>
|
|
BeginBuildingScrollFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsStyleContext* aContentStyle,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aContentParentFrame,
|
|
nsIAtom* aScrolledPseudo,
|
|
PRBool aIsRoot,
|
|
nsIFrame*& aNewFrame);
|
|
|
|
// Completes the building of the scrollframe:
|
|
// Creates a view for the scrolledframe and makes it the child of the scrollframe.
|
|
void
|
|
FinishBuildingScrollFrame(nsIFrame* aScrollFrame,
|
|
nsIFrame* aScrolledFrame);
|
|
|
|
// InitializeSelectFrame puts scrollFrame in aFrameItems if aBuildCombobox is false
|
|
nsresult
|
|
InitializeSelectFrame(nsFrameConstructorState& aState,
|
|
nsIFrame* scrollFrame,
|
|
nsIFrame* scrolledFrame,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
PRBool aBuildCombobox,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult MaybeRecreateFramesForContent(nsIContent* aContent);
|
|
|
|
nsresult RecreateFramesForContent(nsIContent* aContent);
|
|
|
|
PRBool MaybeRecreateContainerForIBSplitterFrame(nsIFrame* aFrame, nsresult* aResult);
|
|
|
|
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
|
|
|
|
already_AddRefed<nsStyleContext>
|
|
GetFirstLetterStyle(nsIContent* aContent,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
already_AddRefed<nsStyleContext>
|
|
GetFirstLineStyle(nsIContent* aContent,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
PRBool HaveFirstLetterStyle(nsIContent* aContent,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
// Check whether a given block has first-letter style. Make sure to
|
|
// only pass in blocks! And don't pass in null either.
|
|
PRBool HaveFirstLetterStyle(nsIFrame* aBlockFrame);
|
|
|
|
PRBool HaveFirstLineStyle(nsIContent* aContent,
|
|
nsStyleContext* aStyleContext);
|
|
|
|
void HaveSpecialBlockStyle(nsIContent* aContent,
|
|
nsStyleContext* aStyleContext,
|
|
PRBool* aHaveFirstLetterStyle,
|
|
PRBool* aHaveFirstLineStyle);
|
|
|
|
// |aContentParentFrame| should be null if it's really the same as
|
|
// |aParentFrame|.
|
|
// @param aFrameItems where we want to put the block in case it's in-flow.
|
|
// @param aNewFrame an in/out parameter. On input it is the block to be
|
|
// constructed. On output it is reset to the outermost
|
|
// frame constructed (e.g. if we need to wrap the block in an
|
|
// nsColumnSetFrame.
|
|
// @param aParentFrame is the desired parent for the (possibly wrapped)
|
|
// block
|
|
// @param aContentParent is the parent the block would have if it
|
|
// were in-flow
|
|
nsresult ConstructBlock(nsFrameConstructorState& aState,
|
|
const nsStyleDisplay* aDisplay,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aContentParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsIFrame** aNewFrame,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool aAbsPosContainer);
|
|
|
|
nsresult ConstructInline(nsFrameConstructorState& aState,
|
|
const nsStyleDisplay* aDisplay,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
PRBool aIsPositioned,
|
|
nsIFrame* aNewFrame);
|
|
|
|
nsresult ProcessInlineChildren(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame,
|
|
PRBool aCanHaveGeneratedContent,
|
|
nsFrameItems& aFrameItems,
|
|
PRBool* aKidsAllInline);
|
|
|
|
PRBool AreAllKidsInline(nsIFrame* aFrameList);
|
|
|
|
PRBool WipeContainingBlock(nsFrameConstructorState& aState,
|
|
nsIFrame* blockContent,
|
|
nsIFrame* aFrame,
|
|
nsIFrame* aFrameList);
|
|
|
|
PRBool NeedSpecialFrameReframe(nsIContent* aParent1,
|
|
nsIContent* aParent2,
|
|
nsIFrame*& aParentFrame,
|
|
nsIContent* aChild,
|
|
PRInt32 aIndexInContainer,
|
|
nsIFrame*& aPrevSibling,
|
|
nsIFrame* aNextSibling);
|
|
|
|
nsresult SplitToContainingBlock(nsFrameConstructorState& aState,
|
|
nsIFrame* aFrame,
|
|
nsIFrame* aLeftInlineChildFrame,
|
|
nsIFrame* aBlockChildFrame,
|
|
nsIFrame* aRightInlineChildFrame,
|
|
PRBool aTransfer);
|
|
|
|
nsresult ReframeContainingBlock(nsIFrame* aFrame);
|
|
|
|
nsresult StyleChangeReflow(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 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(nsFrameManager* aFrameManager,
|
|
nsIFrame* aParentFrame,
|
|
nsIContent* aParentContent,
|
|
nsIContent* aContent,
|
|
nsFindFrameHint* aHint);
|
|
|
|
//----------------------------------------
|
|
|
|
// Methods support :first-letter style
|
|
|
|
void CreateFloatingLetterFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aTextContent,
|
|
nsIFrame* aTextFrame,
|
|
nsIContent* aBlockContent,
|
|
nsIFrame* aParentFrame,
|
|
nsStyleContext* aStyleContext,
|
|
nsFrameItems& aResult);
|
|
|
|
nsresult CreateLetterFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aTextContent,
|
|
nsIFrame* aParentFrame,
|
|
nsFrameItems& aResult);
|
|
|
|
nsresult WrapFramesInFirstLetterFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aBlockContent,
|
|
nsIFrame* aBlockFrame,
|
|
nsFrameItems& aBlockFrames);
|
|
|
|
nsresult WrapFramesInFirstLetterFrame(nsFrameConstructorState& aState,
|
|
nsIFrame* aParentFrame,
|
|
nsIFrame* aParentFrameList,
|
|
nsIFrame** aModifiedParent,
|
|
nsIFrame** aTextFrame,
|
|
nsIFrame** aPrevFrame,
|
|
nsFrameItems& aLetterFrame,
|
|
PRBool* aStopLooking);
|
|
|
|
nsresult RecoverLetterFrames(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(nsIContent* aContent,
|
|
nsILayoutHistoryState* aHistoryState);
|
|
|
|
// Capture state for the frame tree rooted at aFrame.
|
|
nsresult CaptureStateFor(nsIFrame* aFrame,
|
|
nsILayoutHistoryState* aHistoryState);
|
|
|
|
//----------------------------------------
|
|
|
|
// Methods support :first-line style
|
|
|
|
nsresult WrapFramesInFirstLineFrame(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aFrame,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult AppendFirstLineFrames(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aBlockFrame,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult InsertFirstLineFrames(nsFrameConstructorState& aState,
|
|
nsIContent* aContent,
|
|
nsIFrame* aBlockFrame,
|
|
nsIFrame** aParentFrame,
|
|
nsIFrame* aPrevSibling,
|
|
nsFrameItems& aFrameItems);
|
|
|
|
nsresult RemoveFixedItems(const nsFrameConstructorState& aState);
|
|
|
|
// Find the ``rightmost'' frame for the content immediately preceding
|
|
// aIndexInContainer, following continuations if necessary. If aChild is
|
|
// not null, make sure it passes the call to IsValidSibling
|
|
nsIFrame* FindPreviousSibling(nsIContent* aContainer,
|
|
nsIFrame* aContainerFrame,
|
|
PRInt32 aIndexInContainer,
|
|
const nsIContent* aChild = nsnull);
|
|
|
|
// Find the frame for the content node immediately following aIndexInContainer.
|
|
// If aChild is not null, make sure it passes the call to IsValidSibling
|
|
nsIFrame* FindNextSibling(nsIContent* aContainer,
|
|
nsIFrame* aContainerFrame,
|
|
PRInt32 aIndexInContainer,
|
|
const nsIContent* aChild = nsnull);
|
|
|
|
// see if aContent and aSibling are legitimate siblings due to restrictions
|
|
// imposed by table columns
|
|
PRBool IsValidSibling(nsIFrame* aParentFrame,
|
|
const nsIFrame& aSibling,
|
|
PRUint8 aSiblingDisplay,
|
|
nsIContent& aContent,
|
|
PRUint8& aDisplay);
|
|
|
|
void QuotesDirty() {
|
|
if (mUpdateCount != 0)
|
|
mQuotesDirty = PR_TRUE;
|
|
else
|
|
mQuoteList.RecalcAll();
|
|
}
|
|
|
|
void CountersDirty() {
|
|
if (mUpdateCount != 0)
|
|
mCountersDirty = PR_TRUE;
|
|
else
|
|
mCounterManager.RecalcAll();
|
|
}
|
|
|
|
inline NS_HIDDEN_(nsresult)
|
|
CreateInsertionPointChildren(nsFrameConstructorState &aState,
|
|
nsIFrame *aNewFrame,
|
|
nsIContent *aContent,
|
|
PRBool aUseInsertionFrame = PR_TRUE);
|
|
|
|
NS_HIDDEN_(nsresult)
|
|
CreateInsertionPointChildren(nsFrameConstructorState &aState,
|
|
nsIFrame *aNewFrame,
|
|
PRBool aUseInsertionFrame);
|
|
|
|
public:
|
|
struct RestyleData;
|
|
friend struct RestyleData;
|
|
|
|
struct RestyleData {
|
|
nsReStyleHint mRestyleHint; // What we want to restyle
|
|
nsChangeHint mChangeHint; // The minimal change hint for "self"
|
|
};
|
|
|
|
struct RestyleEnumerateData : public RestyleData {
|
|
nsCOMPtr<nsIContent> mContent;
|
|
};
|
|
|
|
struct RestyleEvent;
|
|
friend struct RestyleEvent;
|
|
|
|
struct RestyleEvent : public PLEvent {
|
|
RestyleEvent(nsCSSFrameConstructor* aConstructor);
|
|
~RestyleEvent() { }
|
|
void HandleEvent();
|
|
};
|
|
|
|
friend class nsFrameConstructorState;
|
|
|
|
protected:
|
|
nsCOMPtr<nsIEventQueue> mRestyleEventQueue;
|
|
|
|
private:
|
|
#ifdef ACCESSIBILITY
|
|
// If the frame is visible, return the frame type
|
|
// If the frame is invisible, return nsnull
|
|
nsIAtom *GetRenderedFrameType(nsIFrame *aFrame);
|
|
|
|
// Using the rendered frame type from GetRenderedFrameType(), which is nsnull
|
|
// for invisible frames, compare the previous rendering and new rendering, to
|
|
// determine if the tree of accessibility objects may change. If it might,
|
|
// notify the accessibility module of the change, and whether it is a generic
|
|
// change, something is being made visible or something is being made hidden.
|
|
void NotifyAccessibleChange(nsIAtom *aPreviousFrameType, nsIAtom *aFrameType,
|
|
nsIContent *aContent);
|
|
#endif
|
|
|
|
nsIDocument* mDocument; // Weak ref
|
|
nsIPresShell* mPresShell; // Weak ref
|
|
|
|
nsIFrame* mInitialContainingBlock;
|
|
nsIFrame* mFixedContainingBlock;
|
|
nsIFrame* mDocElementContainingBlock;
|
|
nsIFrame* mGfxScrollFrame;
|
|
nsIFrame* mPageSequenceFrame;
|
|
nsQuoteList mQuoteList;
|
|
nsCounterManager mCounterManager;
|
|
PRUint16 mUpdateCount;
|
|
PRPackedBool mQuotesDirty : 1;
|
|
PRPackedBool mCountersDirty : 1;
|
|
PRPackedBool mInitialContainingBlockIsAbsPosContainer : 1;
|
|
PRPackedBool mIsDestroyingFrameTree : 1;
|
|
|
|
nsCOMPtr<nsILayoutHistoryState> mTempFrameTreeState;
|
|
|
|
nsCOMPtr<nsIEventQueueService> mEventQueueService;
|
|
|
|
nsDataHashtable<nsISupportsHashKey, RestyleData> mPendingRestyles;
|
|
|
|
static nsIXBLService * gXBLService;
|
|
};
|
|
|
|
#endif /* nsCSSFrameConstructor_h___ */
|