1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is the Mozilla SVG project.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Crocodile Clips Ltd..
19 : * Portions created by the Initial Developer are Copyright (C) 2001
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Alex Fritze <alex.fritze@crocodile-clips.com> (original author)
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either of the GNU General Public License Version 2 or later (the "GPL"),
27 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 :
39 : #ifndef __NS_SVGOUTERSVGFRAME_H__
40 : #define __NS_SVGOUTERSVGFRAME_H__
41 :
42 : #include "nsSVGContainerFrame.h"
43 : #include "nsISVGSVGFrame.h"
44 : #include "nsIDOMSVGPoint.h"
45 : #include "nsIDOMSVGNumber.h"
46 : #include "gfxMatrix.h"
47 :
48 : class nsSVGForeignObjectFrame;
49 :
50 : ////////////////////////////////////////////////////////////////////////
51 : // nsSVGOuterSVGFrame class
52 :
53 : typedef nsSVGDisplayContainerFrame nsSVGOuterSVGFrameBase;
54 :
55 : class nsSVGOuterSVGFrame : public nsSVGOuterSVGFrameBase,
56 : public nsISVGSVGFrame
57 : {
58 : friend nsIFrame*
59 : NS_NewSVGOuterSVGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
60 : protected:
61 : nsSVGOuterSVGFrame(nsStyleContext* aContext);
62 :
63 : public:
64 : NS_DECL_QUERYFRAME
65 : NS_DECL_FRAMEARENA_HELPERS
66 :
67 : #ifdef DEBUG
68 0 : ~nsSVGOuterSVGFrame() {
69 0 : NS_ASSERTION(mForeignObjectHash.Count() == 0,
70 : "foreignObject(s) still registered!");
71 0 : }
72 : #endif
73 :
74 : // nsIFrame:
75 : virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
76 : virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext);
77 :
78 : virtual IntrinsicSize GetIntrinsicSize();
79 : virtual nsSize GetIntrinsicRatio();
80 :
81 : virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
82 : nsSize aCBSize, nscoord aAvailableWidth,
83 : nsSize aMargin, nsSize aBorder, nsSize aPadding,
84 : bool aShrinkWrap);
85 :
86 : NS_IMETHOD Reflow(nsPresContext* aPresContext,
87 : nsHTMLReflowMetrics& aDesiredSize,
88 : const nsHTMLReflowState& aReflowState,
89 : nsReflowStatus& aStatus);
90 :
91 : NS_IMETHOD DidReflow(nsPresContext* aPresContext,
92 : const nsHTMLReflowState* aReflowState,
93 : nsDidReflowStatus aStatus);
94 :
95 : NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
96 : const nsRect& aDirtyRect,
97 : const nsDisplayListSet& aLists);
98 :
99 : NS_IMETHOD Init(nsIContent* aContent,
100 : nsIFrame* aParent,
101 : nsIFrame* aPrevInFlow);
102 :
103 : virtual nsSplittableType GetSplittableType() const;
104 :
105 : /**
106 : * Get the "type" of the frame
107 : *
108 : * @see nsGkAtoms::svgOuterSVGFrame
109 : */
110 : virtual nsIAtom* GetType() const;
111 :
112 : void Paint(const nsDisplayListBuilder* aBuilder,
113 : nsRenderingContext* aContext,
114 : const nsRect& aDirtyRect, nsPoint aPt);
115 :
116 : #ifdef DEBUG
117 0 : NS_IMETHOD GetFrameName(nsAString& aResult) const
118 : {
119 0 : return MakeFrameName(NS_LITERAL_STRING("SVGOuterSVG"), aResult);
120 : }
121 : #endif
122 :
123 : NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
124 : nsIAtom* aAttribute,
125 : PRInt32 aModType);
126 :
127 : // nsISVGSVGFrame interface:
128 : virtual void SuspendRedraw();
129 : virtual void UnsuspendRedraw();
130 : virtual void NotifyViewportChange();
131 :
132 : // nsSVGContainerFrame methods:
133 : virtual gfxMatrix GetCanvasTM();
134 :
135 : /* Methods to allow descendant nsSVGForeignObjectFrame frames to register and
136 : * unregister themselves with their nearest nsSVGOuterSVGFrame ancestor so
137 : * they can be reflowed. The methods return true on success or false on
138 : * failure.
139 : */
140 : void RegisterForeignObject(nsSVGForeignObjectFrame* aFrame);
141 : void UnregisterForeignObject(nsSVGForeignObjectFrame* aFrame);
142 :
143 : #ifdef XP_MACOSX
144 : bool BitmapFallbackEnabled() const {
145 : return mEnableBitmapFallback;
146 : }
147 : void SetBitmapFallbackEnabled(bool aVal) {
148 : NS_NOTREACHED("don't think me need this any more"); // comment in bug 732429 if we do
149 : mEnableBitmapFallback = aVal;
150 : }
151 : #endif
152 :
153 : protected:
154 :
155 : /* Returns true if our content is the document element and our document is
156 : * embedded in an HTML 'object', 'embed' or 'applet' element. Set
157 : * aEmbeddingFrame to obtain the nsIFrame for the embedding HTML element.
158 : */
159 : bool IsRootOfReplacedElementSubDoc(nsIFrame **aEmbeddingFrame = nsnull);
160 :
161 : /* Returns true if our content is the document element and our document is
162 : * being used as an image.
163 : */
164 : bool IsRootOfImage();
165 :
166 : // A hash-set containing our nsSVGForeignObjectFrame descendants. Note we use
167 : // a hash-set to avoid the O(N^2) behavior we'd get tearing down an SVG frame
168 : // subtree if we were to use a list (see bug 381285 comment 20).
169 : nsTHashtable<nsVoidPtrHashKey> mForeignObjectHash;
170 :
171 : nsAutoPtr<gfxMatrix> mCanvasTM;
172 :
173 : PRUint32 mRedrawSuspendCount;
174 : float mFullZoom;
175 :
176 : bool mViewportInitialized;
177 : #ifdef XP_MACOSX
178 : bool mEnableBitmapFallback;
179 : #endif
180 : bool mIsRootContent;
181 : };
182 :
183 : #endif
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