mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 08:35:26 +00:00
97 lines
3.7 KiB
C++
97 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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 Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
#ifndef nsHTMLContainerFrame_h___
|
|
#define nsHTMLContainerFrame_h___
|
|
|
|
#include "nsContainerFrame.h"
|
|
class nsString;
|
|
class nsAbsoluteFrame;
|
|
class nsPlaceholderFrame;
|
|
struct nsStyleDisplay;
|
|
struct nsStylePosition;
|
|
|
|
// Some macros for container classes to do sanity checking on
|
|
// width/height/x/y values computed during reflow.
|
|
#ifdef DEBUG
|
|
#define CRAZY_W 500000
|
|
|
|
// 100000 lines, approximately. Assumes p2t is 15 and 15 pixels per line
|
|
#define CRAZY_H 22500000
|
|
|
|
#define CRAZY_WIDTH(_x) (((_x) < -CRAZY_W) || ((_x) > CRAZY_W))
|
|
#define CRAZY_HEIGHT(_y) (((_y) < -CRAZY_H) || ((_y) > CRAZY_H))
|
|
#endif
|
|
|
|
// Base class for html container frames that provides common
|
|
// functionality.
|
|
class nsHTMLContainerFrame : public nsContainerFrame {
|
|
public:
|
|
NS_IMETHOD Paint(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer);
|
|
|
|
/**
|
|
* Helper method to create next-in-flows if necessary. If aFrame
|
|
* already has a next-in-flow then this method does
|
|
* nothing. Otherwise, a new continuation frame is created and
|
|
* linked into the flow. In addition, the new frame becomes the
|
|
* next-sibling of aFrame.
|
|
*/
|
|
static nsresult CreateNextInFlow(nsIPresContext* aPresContext,
|
|
nsIFrame* aOuterFrame,
|
|
nsIFrame* aFrame,
|
|
nsIFrame*& aNextInFlowResult);
|
|
|
|
/**
|
|
* Helper method to wrap views around frames. Used by containers
|
|
* under special circumstances (can be used by leaf frames as well)
|
|
* @param aContentParentFrame
|
|
* if non-null, this is the frame
|
|
* which would have held aFrame except that aFrame was reparented
|
|
* to an alternative geometric parent. This is necessary
|
|
* so that aFrame can remember to get its Z-order from
|
|
* aContentParentFrame.
|
|
*/
|
|
static nsresult CreateViewForFrame(nsIPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
nsIStyleContext* aStyleContext,
|
|
nsIFrame* aContentParentFrame,
|
|
PRBool aForce);
|
|
|
|
static nsresult ReparentFrameView(nsIPresContext* aPresContext,
|
|
nsIFrame* aChildFrame,
|
|
nsIFrame* aOldParentFrame,
|
|
nsIFrame* aNewParentFrame);
|
|
|
|
static nsresult ReparentFrameViewList(nsIPresContext* aPresContext,
|
|
nsIFrame* aChildFrameList,
|
|
nsIFrame* aOldParentFrame,
|
|
nsIFrame* aNewParentFrame);
|
|
|
|
protected:
|
|
virtual PRIntn GetSkipSides() const = 0;
|
|
};
|
|
|
|
#endif /* nsHTMLContainerFrame_h___ */
|
|
|