зеркало из https://github.com/mozilla/pjs.git
171 строка
6.1 KiB
C++
171 строка
6.1 KiB
C++
/* -*- Mode: C++; tab-width: 20; 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 Corporation code.
|
|
*
|
|
* The Initial Developer of the Original Code is Mozilla Foundation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2010
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Robert O'Callahan <robert@ocallahan.org>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either 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 NSSUBDOCUMENTFRAME_H_
|
|
#define NSSUBDOCUMENTFRAME_H_
|
|
|
|
#include "nsLeafFrame.h"
|
|
#include "nsIReflowCallback.h"
|
|
#include "nsFrameLoader.h"
|
|
|
|
/******************************************************************************
|
|
* nsSubDocumentFrame
|
|
*****************************************************************************/
|
|
class nsSubDocumentFrame : public nsLeafFrame,
|
|
public nsIReflowCallback
|
|
{
|
|
public:
|
|
NS_DECL_QUERYFRAME_TARGET(nsSubDocumentFrame)
|
|
NS_DECL_FRAMEARENA_HELPERS
|
|
|
|
nsSubDocumentFrame(nsStyleContext* aContext);
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHOD GetFrameName(nsAString& aResult) const;
|
|
#endif
|
|
|
|
NS_DECL_QUERYFRAME
|
|
|
|
virtual nsIAtom* GetType() const;
|
|
|
|
virtual bool IsFrameOfType(PRUint32 aFlags) const
|
|
{
|
|
// nsLeafFrame is already eReplacedContainsBlock, but that's somewhat bogus
|
|
return nsLeafFrame::IsFrameOfType(aFlags &
|
|
~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
|
|
}
|
|
|
|
NS_IMETHOD Init(nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsIFrame* aPrevInFlow);
|
|
|
|
virtual void DestroyFrom(nsIFrame* aDestructRoot);
|
|
|
|
virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
|
|
virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext);
|
|
|
|
virtual IntrinsicSize GetIntrinsicSize();
|
|
virtual nsSize GetIntrinsicRatio();
|
|
|
|
virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
|
|
nsSize aCBSize, nscoord aAvailableWidth,
|
|
nsSize aMargin, nsSize aBorder,
|
|
nsSize aPadding, bool aShrinkWrap);
|
|
|
|
virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
|
|
nsSize aCBSize, nscoord aAvailableWidth,
|
|
nsSize aMargin, nsSize aBorder, nsSize aPadding,
|
|
bool aShrinkWrap);
|
|
|
|
NS_IMETHOD Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsRect& aDirtyRect,
|
|
const nsDisplayListSet& aLists);
|
|
|
|
NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aModType);
|
|
|
|
// if the content is "visibility:hidden", then just hide the view
|
|
// and all our contents. We don't extend "visibility:hidden" to
|
|
// the child content ourselves, since it belongs to a different
|
|
// document and CSS doesn't inherit in there.
|
|
virtual bool SupportsVisibilityHidden() { return false; }
|
|
|
|
#ifdef ACCESSIBILITY
|
|
virtual already_AddRefed<nsAccessible> CreateAccessible();
|
|
#endif
|
|
|
|
nsresult GetDocShell(nsIDocShell **aDocShell);
|
|
nsresult BeginSwapDocShells(nsIFrame* aOther);
|
|
void EndSwapDocShells(nsIFrame* aOther);
|
|
nsIView* EnsureInnerView();
|
|
nsIFrame* GetSubdocumentRootFrame();
|
|
|
|
// nsIReflowCallback
|
|
virtual bool ReflowFinished();
|
|
virtual void ReflowCallbackCanceled();
|
|
|
|
bool ShouldClipSubdocument()
|
|
{
|
|
nsFrameLoader* frameLoader = FrameLoader();
|
|
return !frameLoader || frameLoader->ShouldClipSubdocument();
|
|
}
|
|
|
|
protected:
|
|
friend class AsyncFrameInit;
|
|
|
|
// Helper method to look up the HTML marginwidth & marginheight attributes
|
|
nsIntSize GetMarginAttributes();
|
|
|
|
nsFrameLoader* FrameLoader();
|
|
|
|
bool IsInline() { return mIsInline; }
|
|
|
|
virtual nscoord GetIntrinsicWidth();
|
|
virtual nscoord GetIntrinsicHeight();
|
|
|
|
virtual PRIntn GetSkipSides() const;
|
|
|
|
// Hide or show our document viewer
|
|
void HideViewer();
|
|
void ShowViewer();
|
|
|
|
/* Obtains the frame we should use for intrinsic size information if we are
|
|
* an HTML <object>, <embed> or <applet> (a replaced element - not <iframe>)
|
|
* and our sub-document has an intrinsic size. The frame returned is the
|
|
* frame for the document element of the document we're embedding.
|
|
*
|
|
* Called "Obtain*" and not "Get*" because of comment on GetDocShell that
|
|
* says it should be called ObtainDocShell because of it's side effects.
|
|
*/
|
|
nsIFrame* ObtainIntrinsicSizeFrame();
|
|
|
|
nsRefPtr<nsFrameLoader> mFrameLoader;
|
|
nsIView* mInnerView;
|
|
bool mIsInline;
|
|
bool mPostedReflowCallback;
|
|
bool mDidCreateDoc;
|
|
bool mCallingShow;
|
|
};
|
|
|
|
#endif /* NSSUBDOCUMENTFRAME_H_ */
|