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
|
// Copyright 2014 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 "../../../foxitlib.h"
#include "../common/xfa_utils.h"
#include "../common/xfa_object.h"
#include "../common/xfa_document.h"
#include "../common/xfa_parser.h"
#include "../common/xfa_script.h"
#include "../common/xfa_docdata.h"
#include "../common/xfa_doclayout.h"
#include "../common/xfa_debug.h"
#include "../common/xfa_localemgr.h"
#include "../common/xfa_fm2jsapi.h"
#include "xfa_debug_parser.h"
#include "xfa_basic_imp.h"
#include "xfa_document_imp.h"
#include "xfa_document_layout_imp.h"
#include "xfa_document_datamerger_imp.h"
#include "xfa_layout_itemlayout.h"
#include "xfa_layout_pagemgr_new.h"
#include "xfa_layout_appadapter.h"
CXFA_LayoutProcessor* CXFA_Document::GetLayoutProcessor() {
if (!m_pLayoutProcessor) {
m_pLayoutProcessor = new CXFA_LayoutProcessor(this);
ASSERT(m_pLayoutProcessor);
}
return m_pLayoutProcessor;
}
IXFA_DocLayout* CXFA_Document::GetDocLayout() {
return GetLayoutProcessor();
}
CXFA_LayoutProcessor::CXFA_LayoutProcessor(CXFA_Document* pDocument)
: m_pDocument(pDocument),
m_pRootItemLayoutProcessor(NULL),
m_pLayoutPageMgr(NULL),
m_nProgressCounter(0),
m_bNeeLayout(TRUE) {}
CXFA_LayoutProcessor::~CXFA_LayoutProcessor() {
ClearLayoutData();
}
CXFA_Document* CXFA_LayoutProcessor::GetDocument() const {
return m_pDocument;
}
int32_t CXFA_LayoutProcessor::StartLayout(FX_BOOL bForceRestart) {
if (!bForceRestart && !IsNeedLayout()) {
return 100;
}
if (m_pRootItemLayoutProcessor) {
delete m_pRootItemLayoutProcessor;
m_pRootItemLayoutProcessor = NULL;
}
m_nProgressCounter = 0;
CXFA_Node* pFormPacketNode =
(CXFA_Node*)m_pDocument->GetXFANode(XFA_HASHCODE_Form);
if (!pFormPacketNode) {
return -1;
}
CXFA_Node* pFormRoot =
pFormPacketNode->GetFirstChildByClass(XFA_ELEMENT_Subform);
if (!pFormRoot) {
return -1;
}
if (!m_pLayoutPageMgr) {
m_pLayoutPageMgr = new CXFA_LayoutPageMgr(this);
}
if (!m_pLayoutPageMgr->InitLayoutPage(pFormRoot)) {
return -1;
}
if (!m_pLayoutPageMgr->PrepareFirstPage(pFormRoot)) {
return -1;
}
m_pRootItemLayoutProcessor =
new CXFA_ItemLayoutProcessor(pFormRoot, m_pLayoutPageMgr);
#ifndef _XFA_LAYOUTITEM_ProcessCACHE_
m_pRootItemLayoutProcessor->m_pPageMgrCreateItem = m_pLayoutPageMgr;
#endif
m_nProgressCounter = 1;
return 0;
}
int32_t CXFA_LayoutProcessor::DoLayout(IFX_Pause* pPause) {
if (m_nProgressCounter < 1) {
return -1;
}
XFA_ItemLayoutProcessorResult eStatus;
CXFA_Node* pFormNode = m_pRootItemLayoutProcessor->GetFormNode();
FX_FLOAT fPosX = pFormNode->GetMeasure(XFA_ATTRIBUTE_X).ToUnit(XFA_UNIT_Pt);
FX_FLOAT fPosY = pFormNode->GetMeasure(XFA_ATTRIBUTE_Y).ToUnit(XFA_UNIT_Pt);
do {
FX_FLOAT fAvailHeight = m_pLayoutPageMgr->GetAvailHeight();
eStatus =
m_pRootItemLayoutProcessor->DoLayout(TRUE, fAvailHeight, fAvailHeight);
if (eStatus != XFA_ItemLayoutProcessorResult_Done) {
m_nProgressCounter++;
}
CXFA_ContentLayoutItemImpl* pLayoutItem =
m_pRootItemLayoutProcessor->ExtractLayoutItem();
if (pLayoutItem) {
pLayoutItem->m_sPos.Set(fPosX, fPosY);
}
m_pLayoutPageMgr->SubmitContentItem(pLayoutItem, eStatus);
} while (eStatus != XFA_ItemLayoutProcessorResult_Done &&
(!pPause || !pPause->NeedToPauseNow()));
if (eStatus == XFA_ItemLayoutProcessorResult_Done) {
m_pLayoutPageMgr->FinishPaginatedPageSets();
m_pLayoutPageMgr->SyncLayoutData();
m_bNeeLayout = FALSE;
m_rgChangedContainers.RemoveAll();
}
return 100 * (eStatus == XFA_ItemLayoutProcessorResult_Done
? m_nProgressCounter
: m_nProgressCounter - 1) /
m_nProgressCounter;
}
FX_BOOL CXFA_LayoutProcessor::IncrementLayout() {
if (m_bNeeLayout) {
StartLayout(TRUE);
return DoLayout(NULL) == 100;
}
for (int32_t i = 0, c = m_rgChangedContainers.GetSize(); i < c; i++) {
CXFA_Node* pNode = m_rgChangedContainers[i];
CXFA_Node* pParentNode =
pNode->GetNodeItem(XFA_NODEITEM_Parent, XFA_OBJECTTYPE_ContainerNode);
if (!pParentNode) {
return FALSE;
}
if (!CXFA_ItemLayoutProcessor::IncrementRelayoutNode(this, pNode,
pParentNode)) {
return FALSE;
}
}
m_rgChangedContainers.RemoveAll();
return TRUE;
}
int32_t CXFA_LayoutProcessor::CountPages() const {
return m_pLayoutPageMgr ? m_pLayoutPageMgr->GetPageCount() : 0;
}
IXFA_LayoutPage* CXFA_LayoutProcessor::GetPage(int32_t index) const {
return m_pLayoutPageMgr ? m_pLayoutPageMgr->GetPage(index) : NULL;
}
CXFA_LayoutItem* CXFA_LayoutProcessor::GetLayoutItem(CXFA_Node* pFormItem) {
return (CXFA_LayoutItem*)pFormItem->GetUserData(XFA_LAYOUTITEMKEY);
}
void CXFA_LayoutProcessor::AddChangedContainer(CXFA_Node* pContainer) {
if (m_rgChangedContainers.Find(pContainer) < 0) {
m_rgChangedContainers.Add(pContainer);
}
}
CXFA_ContainerLayoutItemImpl* CXFA_LayoutProcessor::GetRootLayoutItem() const {
return m_pLayoutPageMgr ? m_pLayoutPageMgr->GetRootLayoutItem() : NULL;
}
void CXFA_LayoutProcessor::ClearLayoutData() {
if (m_pLayoutPageMgr) {
delete m_pLayoutPageMgr;
m_pLayoutPageMgr = NULL;
}
if (m_pRootItemLayoutProcessor) {
delete m_pRootItemLayoutProcessor;
m_pRootItemLayoutProcessor = NULL;
}
m_nProgressCounter = 0;
}
FX_BOOL CXFA_LayoutProcessor::IsNeedLayout() {
return m_bNeeLayout || m_rgChangedContainers.GetSize() > 0;
}
CXFA_LayoutItemImpl::CXFA_LayoutItemImpl(CXFA_Node* pNode,
FX_BOOL bIsContentLayoutItem)
: m_pFormNode(pNode),
m_bIsContentLayoutItem(bIsContentLayoutItem),
m_pParent(NULL),
m_pNextSibling(NULL),
m_pFirstChild(NULL) {}
CXFA_LayoutItemImpl::~CXFA_LayoutItemImpl() {}
CXFA_ContainerLayoutItemImpl::CXFA_ContainerLayoutItemImpl(CXFA_Node* pNode)
: CXFA_LayoutItemImpl(pNode, FALSE), m_pOldSubform(NULL) {}
CXFA_ContentLayoutItemImpl::CXFA_ContentLayoutItemImpl(CXFA_Node* pNode)
: CXFA_LayoutItemImpl(pNode, TRUE),
m_pPrev(NULL),
m_pNext(NULL),
m_dwStatus(0) {}
CXFA_ContentLayoutItemImpl::~CXFA_ContentLayoutItemImpl() {
if (m_pFormNode->GetUserData(XFA_LAYOUTITEMKEY) == this) {
m_pFormNode->SetUserData(XFA_LAYOUTITEMKEY, NULL);
}
}
|