mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-09 06:22:08 +00:00
8a78d916a5
child list and changed ReparentFrameView() to check it.
209 lines
7.4 KiB
C++
209 lines
7.4 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 Communicator client 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 nsInlineFrame_h___
|
|
#define nsInlineFrame_h___
|
|
|
|
#include "nsHTMLContainerFrame.h"
|
|
#include "nsAbsoluteContainingBlock.h"
|
|
#include "nsLineLayout.h"
|
|
|
|
class nsAnonymousBlockFrame;
|
|
|
|
#define NS_INLINE_FRAME_CID \
|
|
{ 0xa6cf90e0, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
|
|
|
|
#define nsInlineFrameSuper nsHTMLContainerFrame
|
|
|
|
/**
|
|
* Inline frame class.
|
|
*
|
|
* This class manages a list of child frames that are inline frames. Working with
|
|
* nsLineLayout, the class will reflow and place inline frames on a line.
|
|
*/
|
|
class nsInlineFrame : public nsInlineFrameSuper
|
|
{
|
|
public:
|
|
friend nsresult NS_NewInlineFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame);
|
|
|
|
// nsISupports overrides
|
|
NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
|
|
|
|
// nsIFrame overrides
|
|
NS_IMETHOD AppendFrames(nsIPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aFrameList);
|
|
NS_IMETHOD InsertFrames(nsIPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aPrevFrame,
|
|
nsIFrame* aFrameList);
|
|
NS_IMETHOD RemoveFrame(nsIPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aOldFrame);
|
|
NS_IMETHOD ReplaceFrame(nsIPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aOldFrame,
|
|
nsIFrame* aNewFrame);
|
|
NS_IMETHOD ReflowDirtyChild(nsIPresShell* aPresShell, nsIFrame* aChild);
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHOD GetFrameName(nsString& aResult) const;
|
|
#endif
|
|
NS_IMETHOD GetFrameType(nsIAtom** aType) const;
|
|
|
|
// nsIHTMLReflow overrides
|
|
NS_IMETHOD Reflow(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
NS_IMETHOD FindTextRuns(nsLineLayout& aLineLayout);
|
|
|
|
static nsIID kInlineFrameCID;
|
|
|
|
// Take all of the frames away from this frame. The caller is
|
|
// presumed to keep them alive.
|
|
void StealAllFrames() {
|
|
mFrames.SetFrames(nsnull);
|
|
}
|
|
|
|
protected:
|
|
// Additional reflow state used during our reflow methods
|
|
struct InlineReflowState {
|
|
nsIFrame* mNextRCFrame;
|
|
nsIFrame* mPrevFrame;
|
|
nsInlineFrame* mNextInFlow;
|
|
};
|
|
|
|
nsInlineFrame();
|
|
|
|
virtual PRIntn GetSkipSides() const;
|
|
|
|
nsresult ReflowFrames(nsIPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
InlineReflowState& rs,
|
|
nsHTMLReflowMetrics& aMetrics,
|
|
nsReflowStatus& aStatus);
|
|
|
|
nsresult ReflowInlineFrame(nsIPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
InlineReflowState& rs,
|
|
nsIFrame* aFrame,
|
|
nsReflowStatus& aStatus);
|
|
|
|
virtual nsIFrame* PullOneFrame(nsIPresContext* aPresContext,
|
|
InlineReflowState& rs,
|
|
PRBool* aIsComplete);
|
|
|
|
virtual void PushFrames(nsIPresContext* aPresContext,
|
|
nsIFrame* aFromChild,
|
|
nsIFrame* aPrevSibling);
|
|
|
|
virtual void DrainOverflow(nsIPresContext* aPresContext);
|
|
};
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
/**
|
|
* Variation on inline-frame used to manage lines for line layout in
|
|
* special situations (:first-line style in particular).
|
|
*/
|
|
class nsFirstLineFrame : public nsInlineFrame {
|
|
public:
|
|
friend nsresult NS_NewFirstLineFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame);
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHOD GetFrameName(nsString& aResult) const;
|
|
#endif
|
|
NS_IMETHOD GetFrameType(nsIAtom** aType) const;
|
|
NS_IMETHOD Reflow(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
// Take frames starting at aFrame until the end of the frame-list
|
|
// away from this frame. The caller is presumed to keep them alive.
|
|
void StealFramesFrom(nsIFrame* aFrame);
|
|
|
|
protected:
|
|
nsFirstLineFrame();
|
|
|
|
virtual nsIFrame* PullOneFrame(nsIPresContext* aPresContext,
|
|
InlineReflowState& rs,
|
|
PRBool* aIsComplete);
|
|
|
|
virtual void DrainOverflow(nsIPresContext* aPresContext);
|
|
};
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
// Derived class created for relatively positioned inline-level elements
|
|
// that acts as a containing block for child absolutely positioned
|
|
// elements
|
|
|
|
class nsPositionedInlineFrame : public nsInlineFrame
|
|
{
|
|
public:
|
|
NS_IMETHOD Destroy(nsIPresContext* aPresContext);
|
|
#ifdef DEBUG
|
|
NS_IMETHOD SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const;
|
|
#endif
|
|
|
|
NS_IMETHOD SetInitialChildList(nsIPresContext* aPresContext,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aChildList);
|
|
NS_IMETHOD AppendFrames(nsIPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aFrameList);
|
|
NS_IMETHOD InsertFrames(nsIPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aPrevFrame,
|
|
nsIFrame* aFrameList);
|
|
NS_IMETHOD RemoveFrame(nsIPresContext* aPresContext,
|
|
nsIPresShell& aPresShell,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aOldFrame);
|
|
|
|
NS_IMETHOD GetAdditionalChildListName(PRInt32 aIndex,
|
|
nsIAtom** aListName) const;
|
|
|
|
NS_IMETHOD FirstChild(nsIPresContext* aPresContext,
|
|
nsIAtom* aListName,
|
|
nsIFrame** aFirstChild) const;
|
|
|
|
NS_IMETHOD Reflow(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
NS_IMETHOD GetFrameType(nsIAtom** aType) const;
|
|
|
|
protected:
|
|
nsAbsoluteContainingBlock mAbsoluteContainer;
|
|
};
|
|
|
|
#endif /* nsInlineFrame_h___ */
|