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
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
/*
* Inline methods that belong in nsStyleStruct.h, except that they
* require more headers.
*/
#ifndef nsStyleStructInlines_h_
#define nsStyleStructInlines_h_
#include "nsIFrame.h"
#include "nsStyleStruct.h"
#include "nsIContent.h" // for GetParent()
#include "nsTextFrame.h" // for nsTextFrame::ShouldSuppressLineBreak
bool nsStyleText::NewlineIsSignificant(const nsTextFrame* aContextFrame) const {
NS_ASSERTION(aContextFrame->StyleText() == this, "unexpected aContextFrame");
return NewlineIsSignificantStyle() &&
!aContextFrame->ShouldSuppressLineBreak() &&
!aContextFrame->Style()->IsTextCombined();
}
bool nsStyleText::WhiteSpaceCanWrap(const nsIFrame* aContextFrame) const {
NS_ASSERTION(aContextFrame->StyleText() == this, "unexpected aContextFrame");
return WhiteSpaceCanWrapStyle() && !aContextFrame->IsInSVGTextSubtree() &&
!aContextFrame->Style()->IsTextCombined();
}
bool nsStyleText::WordCanWrap(const nsIFrame* aContextFrame) const {
NS_ASSERTION(aContextFrame->StyleText() == this, "unexpected aContextFrame");
return WordCanWrapStyle() && !aContextFrame->IsInSVGTextSubtree();
}
bool nsStyleDisplay::IsBlockOutside(const nsIFrame* aContextFrame) const {
NS_ASSERTION(aContextFrame->StyleDisplay() == this,
"unexpected aContextFrame");
if (aContextFrame->IsInSVGTextSubtree()) {
return aContextFrame->IsBlockFrame();
}
return IsBlockOutsideStyle();
}
bool nsStyleDisplay::IsInlineOutside(const nsIFrame* aContextFrame) const {
NS_ASSERTION(aContextFrame->StyleDisplay() == this,
"unexpected aContextFrame");
if (aContextFrame->IsInSVGTextSubtree()) {
return !aContextFrame->IsBlockFrame();
}
return IsInlineOutsideStyle();
}
mozilla::StyleDisplay nsStyleDisplay::GetDisplay(
const nsIFrame* aContextFrame) const {
NS_ASSERTION(aContextFrame->StyleDisplay() == this,
"unexpected aContextFrame");
if (aContextFrame->IsInSVGTextSubtree() &&
mDisplay != mozilla::StyleDisplay::None) {
return aContextFrame->IsBlockFrame() ? mozilla::StyleDisplay::Block
: mozilla::StyleDisplay::Inline;
}
return mDisplay;
}
bool nsStyleDisplay::IsFloating(const nsIFrame* aContextFrame) const {
NS_ASSERTION(aContextFrame->StyleDisplay() == this,
"unexpected aContextFrame");
return IsFloatingStyle() && !aContextFrame->IsInSVGTextSubtree();
}
// If you change this function, also change the corresponding block in
// nsCSSFrameConstructor::ConstructFrameFromItemInternal that references
// this function in comments.
bool nsStyleDisplay::HasTransform(const nsIFrame* aContextFrame) const {
NS_ASSERTION(aContextFrame->StyleDisplay() == this,
"unexpected aContextFrame");
return HasTransformStyle() && aContextFrame->SupportsCSSTransforms();
}
bool nsStyleDisplay::HasPerspective(const nsIFrame* aContextFrame) const {
MOZ_ASSERT(aContextFrame->StyleDisplay() == this, "unexpected aContextFrame");
return HasPerspectiveStyle() && aContextFrame->SupportsCSSTransforms();
}
bool nsStyleDisplay::
IsFixedPosContainingBlockForContainLayoutAndPaintSupportingFrames() const {
return IsContainPaint() || IsContainLayout() ||
mWillChange.bits & mozilla::StyleWillChangeBits::CONTAIN;
}
bool nsStyleDisplay::IsFixedPosContainingBlockForTransformSupportingFrames()
const {
// NOTE: Any CSS properties that influence the output of this function
// should also look at mWillChange as necessary.
return HasTransformStyle() || HasPerspectiveStyle() ||
mWillChange.bits & mozilla::StyleWillChangeBits::PERSPECTIVE;
}
bool nsStyleDisplay::IsRelativelyOrStickyPositioned(
const nsIFrame* aContextFrame) const {
NS_ASSERTION(aContextFrame->StyleDisplay() == this,
"unexpected aContextFrame");
return IsRelativelyOrStickyPositionedStyle() &&
!aContextFrame->IsInSVGTextSubtree();
}
bool nsStyleDisplay::IsRelativelyPositioned(
const nsIFrame* aContextFrame) const {
NS_ASSERTION(aContextFrame->StyleDisplay() == this,
"unexpected aContextFrame");
return IsRelativelyPositionedStyle() && !aContextFrame->IsInSVGTextSubtree();
}
bool nsStyleDisplay::IsStickyPositioned(const nsIFrame* aContextFrame) const {
NS_ASSERTION(aContextFrame->StyleDisplay() == this,
"unexpected aContextFrame");
return IsStickyPositionedStyle() && !aContextFrame->IsInSVGTextSubtree();
}
bool nsStyleDisplay::IsAbsolutelyPositioned(
const nsIFrame* aContextFrame) const {
NS_ASSERTION(aContextFrame->StyleDisplay() == this,
"unexpected aContextFrame");
return IsAbsolutelyPositionedStyle() && !aContextFrame->IsInSVGTextSubtree();
}
bool nsStyleBackground::HasLocalBackground() const {
NS_FOR_VISIBLE_IMAGE_LAYERS_BACK_TO_FRONT(i, mImage) {
const nsStyleImageLayers::Layer& layer = mImage.mLayers[i];
if (!layer.mImage.IsNone() &&
layer.mAttachment == mozilla::StyleImageLayerAttachment::Local) {
return true;
}
}
return false;
}
#endif /* !defined(nsStyleStructInlines_h_) */
|
