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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
// Copyright 2016 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "xfa/fxfa/parser/cxfa_layoutitem.h"
#include "xfa/fxfa/app/xfa_ffnotify.h"
#include "xfa/fxfa/parser/cxfa_containerlayoutitem.h"
#include "xfa/fxfa/parser/cxfa_contentlayoutitem.h"
#include "xfa/fxfa/parser/cxfa_measurement.h"
#include "xfa/fxfa/parser/cxfa_node.h"
void XFA_ReleaseLayoutItem(CXFA_LayoutItem* pLayoutItem) {
CXFA_LayoutItem* pNode = pLayoutItem->m_pFirstChild;
CXFA_FFNotify* pNotify = pLayoutItem->m_pFormNode->GetDocument()->GetNotify();
CXFA_LayoutProcessor* pDocLayout =
pLayoutItem->m_pFormNode->GetDocument()->GetDocLayout();
while (pNode) {
CXFA_LayoutItem* pNext = pNode->m_pNextSibling;
pNode->m_pParent = nullptr;
pNotify->OnLayoutItemRemoving(pDocLayout,
static_cast<CXFA_LayoutItem*>(pNode));
XFA_ReleaseLayoutItem(pNode);
pNode = pNext;
}
pNotify->OnLayoutItemRemoving(pDocLayout, pLayoutItem);
if (pLayoutItem->m_pFormNode->GetElementType() == XFA_Element::PageArea) {
pNotify->OnPageEvent(static_cast<CXFA_ContainerLayoutItem*>(pLayoutItem),
XFA_PAGEVIEWEVENT_PostRemoved);
}
delete pLayoutItem;
}
CXFA_LayoutItem::CXFA_LayoutItem(CXFA_Node* pNode, bool bIsContentLayoutItem)
: m_pFormNode(pNode),
m_pParent(nullptr),
m_pNextSibling(nullptr),
m_pFirstChild(nullptr),
m_bIsContentLayoutItem(bIsContentLayoutItem) {}
CXFA_LayoutItem::~CXFA_LayoutItem() {}
CXFA_ContainerLayoutItem* CXFA_LayoutItem::AsContainerLayoutItem() {
return IsContainerLayoutItem() ? static_cast<CXFA_ContainerLayoutItem*>(this)
: nullptr;
}
CXFA_ContentLayoutItem* CXFA_LayoutItem::AsContentLayoutItem() {
return IsContentLayoutItem() ? static_cast<CXFA_ContentLayoutItem*>(this)
: nullptr;
}
CXFA_ContainerLayoutItem* CXFA_LayoutItem::GetPage() const {
for (CXFA_LayoutItem* pCurNode = const_cast<CXFA_LayoutItem*>(this); pCurNode;
pCurNode = pCurNode->m_pParent) {
if (pCurNode->m_pFormNode->GetElementType() == XFA_Element::PageArea)
return static_cast<CXFA_ContainerLayoutItem*>(pCurNode);
}
return nullptr;
}
CFX_RectF CXFA_LayoutItem::GetRect(bool bRelative) const {
ASSERT(m_bIsContentLayoutItem);
auto* pThis = static_cast<const CXFA_ContentLayoutItem*>(this);
CFX_PointF sPos = pThis->m_sPos;
CFX_SizeF sSize = pThis->m_sSize;
if (bRelative)
return CFX_RectF(sPos, sSize);
for (CXFA_LayoutItem* pLayoutItem = pThis->m_pParent; pLayoutItem;
pLayoutItem = pLayoutItem->m_pParent) {
if (CXFA_ContentLayoutItem* pContent = pLayoutItem->AsContentLayoutItem()) {
sPos += pContent->m_sPos;
CXFA_Node* pMarginNode =
pLayoutItem->m_pFormNode->GetFirstChildByClass(XFA_Element::Margin);
if (pMarginNode) {
sPos += CFX_PointF(pMarginNode->GetMeasure(XFA_ATTRIBUTE_LeftInset)
.ToUnit(XFA_UNIT_Pt),
pMarginNode->GetMeasure(XFA_ATTRIBUTE_TopInset)
.ToUnit(XFA_UNIT_Pt));
}
continue;
}
if (pLayoutItem->m_pFormNode->GetElementType() ==
XFA_Element::ContentArea) {
sPos += CFX_PointF(pLayoutItem->m_pFormNode->GetMeasure(XFA_ATTRIBUTE_X)
.ToUnit(XFA_UNIT_Pt),
pLayoutItem->m_pFormNode->GetMeasure(XFA_ATTRIBUTE_Y)
.ToUnit(XFA_UNIT_Pt));
break;
}
if (pLayoutItem->m_pFormNode->GetElementType() == XFA_Element::PageArea)
break;
}
return CFX_RectF(sPos, sSize);
}
CXFA_LayoutItem* CXFA_LayoutItem::GetFirst() {
ASSERT(m_bIsContentLayoutItem);
CXFA_ContentLayoutItem* pCurNode = static_cast<CXFA_ContentLayoutItem*>(this);
while (pCurNode->m_pPrev)
pCurNode = pCurNode->m_pPrev;
return pCurNode;
}
const CXFA_LayoutItem* CXFA_LayoutItem::GetLast() const {
ASSERT(m_bIsContentLayoutItem);
const CXFA_ContentLayoutItem* pCurNode =
static_cast<const CXFA_ContentLayoutItem*>(this);
while (pCurNode->m_pNext)
pCurNode = pCurNode->m_pNext;
return pCurNode;
}
CXFA_LayoutItem* CXFA_LayoutItem::GetPrev() const {
ASSERT(m_bIsContentLayoutItem);
return static_cast<const CXFA_ContentLayoutItem*>(this)->m_pPrev;
}
CXFA_LayoutItem* CXFA_LayoutItem::GetNext() const {
ASSERT(m_bIsContentLayoutItem);
return static_cast<const CXFA_ContentLayoutItem*>(this)->m_pNext;
}
int32_t CXFA_LayoutItem::GetIndex() const {
ASSERT(m_bIsContentLayoutItem);
int32_t iIndex = 0;
const CXFA_ContentLayoutItem* pCurNode =
static_cast<const CXFA_ContentLayoutItem*>(this);
while (pCurNode->m_pPrev) {
pCurNode = pCurNode->m_pPrev;
++iIndex;
}
return iIndex;
}
int32_t CXFA_LayoutItem::GetCount() const {
ASSERT(m_bIsContentLayoutItem);
int32_t iCount = GetIndex() + 1;
const CXFA_ContentLayoutItem* pCurNode =
static_cast<const CXFA_ContentLayoutItem*>(this);
while (pCurNode->m_pNext) {
pCurNode = pCurNode->m_pNext;
iCount++;
}
return iCount;
}
void CXFA_LayoutItem::AddChild(CXFA_LayoutItem* pChildItem) {
if (pChildItem->m_pParent)
pChildItem->m_pParent->RemoveChild(pChildItem);
pChildItem->m_pParent = this;
if (!m_pFirstChild) {
m_pFirstChild = pChildItem;
return;
}
CXFA_LayoutItem* pExistingChildItem = m_pFirstChild;
while (pExistingChildItem->m_pNextSibling)
pExistingChildItem = pExistingChildItem->m_pNextSibling;
pExistingChildItem->m_pNextSibling = pChildItem;
}
void CXFA_LayoutItem::AddHeadChild(CXFA_LayoutItem* pChildItem) {
if (pChildItem->m_pParent)
pChildItem->m_pParent->RemoveChild(pChildItem);
pChildItem->m_pParent = this;
if (!m_pFirstChild) {
m_pFirstChild = pChildItem;
return;
}
CXFA_LayoutItem* pExistingChildItem = m_pFirstChild;
m_pFirstChild = pChildItem;
m_pFirstChild->m_pNextSibling = pExistingChildItem;
}
void CXFA_LayoutItem::InsertChild(CXFA_LayoutItem* pBeforeItem,
CXFA_LayoutItem* pChildItem) {
if (pBeforeItem->m_pParent != this)
return;
if (pChildItem->m_pParent)
pChildItem->m_pParent = nullptr;
pChildItem->m_pParent = this;
CXFA_LayoutItem* pExistingChildItem = pBeforeItem->m_pNextSibling;
pBeforeItem->m_pNextSibling = pChildItem;
pChildItem->m_pNextSibling = pExistingChildItem;
}
void CXFA_LayoutItem::RemoveChild(CXFA_LayoutItem* pChildItem) {
if (pChildItem->m_pParent != this)
return;
if (m_pFirstChild == pChildItem) {
m_pFirstChild = pChildItem->m_pNextSibling;
} else {
CXFA_LayoutItem* pExistingChildItem = m_pFirstChild;
while (pExistingChildItem &&
pExistingChildItem->m_pNextSibling != pChildItem) {
pExistingChildItem = pExistingChildItem->m_pNextSibling;
}
if (pExistingChildItem)
pExistingChildItem->m_pNextSibling = pChildItem->m_pNextSibling;
}
pChildItem->m_pNextSibling = nullptr;
pChildItem->m_pParent = nullptr;
}
|
