1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Keep in (case-insensitive) order:
#include "nsContentUtils.h"
#include "nsFrame.h"
#include "nsGkAtoms.h"
#include "nsLiteralString.h"
#include "nsSVGEffects.h"
#include "nsSVGFilters.h"
using namespace mozilla;
typedef nsFrame SVGFEImageFrameBase;
class SVGFEImageFrame : public SVGFEImageFrameBase
{
friend nsIFrame*
NS_NewSVGFEImageFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
protected:
SVGFEImageFrame(nsStyleContext* aContext)
: SVGFEImageFrameBase(aContext)
{
AddStateBits(NS_FRAME_SVG_LAYOUT | NS_STATE_SVG_NONDISPLAY_CHILD);
}
public:
NS_DECL_FRAMEARENA_HELPERS
NS_IMETHOD Init(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* aPrevInFlow);
virtual void DestroyFrom(nsIFrame* aDestructRoot);
virtual bool IsFrameOfType(uint32_t aFlags) const
{
return SVGFEImageFrameBase::IsFrameOfType(aFlags & ~(nsIFrame::eSVG));
}
#ifdef DEBUG
NS_IMETHOD GetFrameName(nsAString& aResult) const
{
return MakeFrameName(NS_LITERAL_STRING("SVGFEImage"), aResult);
}
#endif
virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext);
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::svgFEImageFrame
*/
virtual nsIAtom* GetType() const;
NS_IMETHOD AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType);
virtual bool UpdateOverflow() {
// We don't maintain a visual overflow rect
return false;
}
};
nsIFrame*
NS_NewSVGFEImageFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
{
return new (aPresShell) SVGFEImageFrame(aContext);
}
NS_IMPL_FRAMEARENA_HELPERS(SVGFEImageFrame)
/* virtual */ void
SVGFEImageFrame::DidSetStyleContext(nsStyleContext* aOldStyleContext)
{
SVGFEImageFrameBase::DidSetStyleContext(aOldStyleContext);
nsSVGEffects::InvalidateRenderingObservers(this);
}
/* virtual */ void
SVGFEImageFrame::DestroyFrom(nsIFrame* aDestructRoot)
{
nsCOMPtr<nsIImageLoadingContent> imageLoader =
do_QueryInterface(SVGFEImageFrameBase::mContent);
if (imageLoader) {
imageLoader->FrameDestroyed(this);
}
SVGFEImageFrameBase::DestroyFrom(aDestructRoot);
}
NS_IMETHODIMP
SVGFEImageFrame::Init(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* aPrevInFlow)
{
NS_ASSERTION(aContent->IsSVG(nsGkAtoms::feImage),
"Trying to construct an SVGFEImageFrame for a "
"content element that doesn't support the right interfaces");
SVGFEImageFrameBase::Init(aContent, aParent, aPrevInFlow);
nsCOMPtr<nsIImageLoadingContent> imageLoader =
do_QueryInterface(SVGFEImageFrameBase::mContent);
if (imageLoader) {
imageLoader->FrameCreated(this);
}
return NS_OK;
}
nsIAtom *
SVGFEImageFrame::GetType() const
{
return nsGkAtoms::svgFEImageFrame;
}
NS_IMETHODIMP
SVGFEImageFrame::AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType)
{
nsSVGFEImageElement *element = static_cast<nsSVGFEImageElement*>(mContent);
if (element->AttributeAffectsRendering(aNameSpaceID, aAttribute)) {
nsSVGEffects::InvalidateRenderingObservers(this);
}
if (aNameSpaceID == kNameSpaceID_XLink &&
aAttribute == nsGkAtoms::href) {
// Prevent setting image.src by exiting early
if (nsContentUtils::IsImageSrcSetDisabled()) {
return NS_OK;
}
if (element->mStringAttributes[nsSVGFEImageElement::HREF].IsExplicitlySet()) {
element->LoadSVGImage(true, true);
} else {
element->CancelImageRequests(true);
}
}
return SVGFEImageFrameBase::AttributeChanged(aNameSpaceID,
aAttribute, aModType);
}
|
