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187 lines
6.5 KiB
C++
187 lines
6.5 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 the Mozilla SVG project.
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*
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* The Initial Developer of the Original Code is
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* Crocodile Clips Ltd..
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alex Fritze <alex.fritze@crocodile-clips.com> (original author)
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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 __NS_SVGOUTERSVGFRAME_H__
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#define __NS_SVGOUTERSVGFRAME_H__
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#include "nsSVGContainerFrame.h"
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#include "nsISVGSVGFrame.h"
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#include "nsIDOMSVGPoint.h"
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#include "nsIDOMSVGNumber.h"
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#include "gfxMatrix.h"
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class nsSVGForeignObjectFrame;
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////////////////////////////////////////////////////////////////////////
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// nsSVGOuterSVGFrame class
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typedef nsSVGDisplayContainerFrame nsSVGOuterSVGFrameBase;
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class nsSVGOuterSVGFrame : public nsSVGOuterSVGFrameBase,
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public nsISVGSVGFrame
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{
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friend nsIFrame*
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NS_NewSVGOuterSVGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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protected:
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nsSVGOuterSVGFrame(nsStyleContext* aContext);
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public:
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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#ifdef DEBUG
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~nsSVGOuterSVGFrame() {
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NS_ASSERTION(mForeignObjectHash.Count() == 0,
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"foreignObject(s) still registered!");
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}
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#endif
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// nsIFrame:
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virtual nscoord GetMinWidth(nsIRenderingContext *aRenderingContext);
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virtual nscoord GetPrefWidth(nsIRenderingContext *aRenderingContext);
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virtual IntrinsicSize GetIntrinsicSize();
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virtual nsSize GetIntrinsicRatio();
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virtual nsSize ComputeSize(nsIRenderingContext *aRenderingContext,
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder, nsSize aPadding,
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PRBool aShrinkWrap);
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NS_IMETHOD Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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NS_IMETHOD DidReflow(nsPresContext* aPresContext,
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const nsHTMLReflowState* aReflowState,
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nsDidReflowStatus aStatus);
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NS_IMETHOD_(nsIFrame*) GetFrameForPoint(const nsPoint& aPoint);
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NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists);
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NS_IMETHOD Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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virtual nsSplittableType GetSplittableType() const;
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/**
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* Get the "type" of the frame
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*
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* @see nsGkAtoms::svgOuterSVGFrame
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*/
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virtual nsIAtom* GetType() const;
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void Paint(const nsDisplayListBuilder* aBuilder,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect, nsPoint aPt);
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const
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{
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return MakeFrameName(NS_LITERAL_STRING("SVGOuterSVG"), aResult);
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}
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#endif
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NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aModType);
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// nsSVGOuterSVGFrame methods:
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void InvalidateCoveredRegion(nsIFrame *aFrame);
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// Calls aSVG->UpdateCoveredRegion and returns true if the covered
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// region actually changed. If it changed, invalidates the old and new
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// covered regions, taking filters into account, like
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// InvalidateCoveredRegion.
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PRBool UpdateAndInvalidateCoveredRegion(nsIFrame *aFrame);
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PRBool IsRedrawSuspended();
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// nsISVGSVGFrame interface:
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NS_IMETHOD SuspendRedraw();
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NS_IMETHOD UnsuspendRedraw();
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NS_IMETHOD NotifyViewportChange();
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// nsSVGContainerFrame methods:
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virtual gfxMatrix GetCanvasTM();
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/* Methods to allow descendant nsSVGForeignObjectFrame frames to register and
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* unregister themselves with their nearest nsSVGOuterSVGFrame ancestor so
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* they can be reflowed. The methods return PR_TRUE on success or PR_FALSE on
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* failure.
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*/
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void RegisterForeignObject(nsSVGForeignObjectFrame* aFrame);
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void UnregisterForeignObject(nsSVGForeignObjectFrame* aFrame);
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protected:
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/* Returns true if our content is the document element and our document is
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* embedded in an HTML 'object', 'embed' or 'applet' element. Set
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* aEmbeddingFrame to obtain the nsIFrame for the embedding HTML element.
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*/
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PRBool EmbeddedByReference(nsIFrame **aEmbeddingFrame = nsnull);
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/* Returns true if our content is the document element and our document is
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* being used as an image.
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*/
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PRBool IsRootOfImage();
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// A hash-set containing our nsSVGForeignObjectFrame descendants. Note we use
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// a hash-set to avoid the O(N^2) behavior we'd get tearing down an SVG frame
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// subtree if we were to use a list (see bug 381285 comment 20).
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nsTHashtable<nsVoidPtrHashKey> mForeignObjectHash;
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PRUint32 mRedrawSuspendCount;
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nsCOMPtr<nsIDOMSVGMatrix> mCanvasTM;
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float mFullZoom;
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PRPackedBool mViewportInitialized;
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#ifdef XP_MACOSX
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PRPackedBool mEnableBitmapFallback;
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#endif
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PRPackedBool mIsRootContent;
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};
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#endif
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