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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "xfa/fxfa/parser/cxfa_layoutprocessor.h" | 7 #include "xfa/fxfa/parser/cxfa_layoutprocessor.h" |
8 | 8 |
9 #include "xfa/fxfa/parser/cxfa_contentlayoutitem.h" | 9 #include "xfa/fxfa/parser/cxfa_contentlayoutitem.h" |
10 #include "xfa/fxfa/parser/cxfa_document.h" | 10 #include "xfa/fxfa/parser/cxfa_document.h" |
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26 | 26 |
27 CXFA_LayoutProcessor* CXFA_Document::GetDocLayout() { | 27 CXFA_LayoutProcessor* CXFA_Document::GetDocLayout() { |
28 return GetLayoutProcessor(); | 28 return GetLayoutProcessor(); |
29 } | 29 } |
30 | 30 |
31 CXFA_LayoutProcessor::CXFA_LayoutProcessor(CXFA_Document* pDocument) | 31 CXFA_LayoutProcessor::CXFA_LayoutProcessor(CXFA_Document* pDocument) |
32 : m_pDocument(pDocument), | 32 : m_pDocument(pDocument), |
33 m_pRootItemLayoutProcessor(nullptr), | 33 m_pRootItemLayoutProcessor(nullptr), |
34 m_pLayoutPageMgr(nullptr), | 34 m_pLayoutPageMgr(nullptr), |
35 m_nProgressCounter(0), | 35 m_nProgressCounter(0), |
36 m_bNeeLayout(TRUE) {} | 36 m_bNeeLayout(true) {} |
37 | 37 |
38 CXFA_LayoutProcessor::~CXFA_LayoutProcessor() { | 38 CXFA_LayoutProcessor::~CXFA_LayoutProcessor() { |
39 ClearLayoutData(); | 39 ClearLayoutData(); |
40 } | 40 } |
41 | 41 |
42 CXFA_Document* CXFA_LayoutProcessor::GetDocument() const { | 42 CXFA_Document* CXFA_LayoutProcessor::GetDocument() const { |
43 return m_pDocument; | 43 return m_pDocument; |
44 } | 44 } |
45 | 45 |
46 int32_t CXFA_LayoutProcessor::StartLayout(FX_BOOL bForceRestart) { | 46 int32_t CXFA_LayoutProcessor::StartLayout(bool bForceRestart) { |
47 if (!bForceRestart && !IsNeedLayout()) | 47 if (!bForceRestart && !IsNeedLayout()) |
48 return 100; | 48 return 100; |
49 | 49 |
50 delete m_pRootItemLayoutProcessor; | 50 delete m_pRootItemLayoutProcessor; |
51 m_pRootItemLayoutProcessor = nullptr; | 51 m_pRootItemLayoutProcessor = nullptr; |
52 m_nProgressCounter = 0; | 52 m_nProgressCounter = 0; |
53 CXFA_Node* pFormPacketNode = | 53 CXFA_Node* pFormPacketNode = |
54 ToNode(m_pDocument->GetXFAObject(XFA_HASHCODE_Form)); | 54 ToNode(m_pDocument->GetXFAObject(XFA_HASHCODE_Form)); |
55 if (!pFormPacketNode) | 55 if (!pFormPacketNode) |
56 return -1; | 56 return -1; |
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75 if (m_nProgressCounter < 1) | 75 if (m_nProgressCounter < 1) |
76 return -1; | 76 return -1; |
77 | 77 |
78 XFA_ItemLayoutProcessorResult eStatus; | 78 XFA_ItemLayoutProcessorResult eStatus; |
79 CXFA_Node* pFormNode = m_pRootItemLayoutProcessor->GetFormNode(); | 79 CXFA_Node* pFormNode = m_pRootItemLayoutProcessor->GetFormNode(); |
80 FX_FLOAT fPosX = pFormNode->GetMeasure(XFA_ATTRIBUTE_X).ToUnit(XFA_UNIT_Pt); | 80 FX_FLOAT fPosX = pFormNode->GetMeasure(XFA_ATTRIBUTE_X).ToUnit(XFA_UNIT_Pt); |
81 FX_FLOAT fPosY = pFormNode->GetMeasure(XFA_ATTRIBUTE_Y).ToUnit(XFA_UNIT_Pt); | 81 FX_FLOAT fPosY = pFormNode->GetMeasure(XFA_ATTRIBUTE_Y).ToUnit(XFA_UNIT_Pt); |
82 do { | 82 do { |
83 FX_FLOAT fAvailHeight = m_pLayoutPageMgr->GetAvailHeight(); | 83 FX_FLOAT fAvailHeight = m_pLayoutPageMgr->GetAvailHeight(); |
84 eStatus = | 84 eStatus = |
85 m_pRootItemLayoutProcessor->DoLayout(TRUE, fAvailHeight, fAvailHeight); | 85 m_pRootItemLayoutProcessor->DoLayout(true, fAvailHeight, fAvailHeight); |
86 if (eStatus != XFA_ItemLayoutProcessorResult_Done) | 86 if (eStatus != XFA_ItemLayoutProcessorResult_Done) |
87 m_nProgressCounter++; | 87 m_nProgressCounter++; |
88 | 88 |
89 CXFA_ContentLayoutItem* pLayoutItem = | 89 CXFA_ContentLayoutItem* pLayoutItem = |
90 m_pRootItemLayoutProcessor->ExtractLayoutItem(); | 90 m_pRootItemLayoutProcessor->ExtractLayoutItem(); |
91 if (pLayoutItem) | 91 if (pLayoutItem) |
92 pLayoutItem->m_sPos = CFX_PointF(fPosX, fPosY); | 92 pLayoutItem->m_sPos = CFX_PointF(fPosX, fPosY); |
93 | 93 |
94 m_pLayoutPageMgr->SubmitContentItem(pLayoutItem, eStatus); | 94 m_pLayoutPageMgr->SubmitContentItem(pLayoutItem, eStatus); |
95 } while (eStatus != XFA_ItemLayoutProcessorResult_Done && | 95 } while (eStatus != XFA_ItemLayoutProcessorResult_Done && |
96 (!pPause || !pPause->NeedToPauseNow())); | 96 (!pPause || !pPause->NeedToPauseNow())); |
97 | 97 |
98 if (eStatus == XFA_ItemLayoutProcessorResult_Done) { | 98 if (eStatus == XFA_ItemLayoutProcessorResult_Done) { |
99 m_pLayoutPageMgr->FinishPaginatedPageSets(); | 99 m_pLayoutPageMgr->FinishPaginatedPageSets(); |
100 m_pLayoutPageMgr->SyncLayoutData(); | 100 m_pLayoutPageMgr->SyncLayoutData(); |
101 m_bNeeLayout = FALSE; | 101 m_bNeeLayout = false; |
102 m_rgChangedContainers.RemoveAll(); | 102 m_rgChangedContainers.RemoveAll(); |
103 } | 103 } |
104 return 100 * (eStatus == XFA_ItemLayoutProcessorResult_Done | 104 return 100 * (eStatus == XFA_ItemLayoutProcessorResult_Done |
105 ? m_nProgressCounter | 105 ? m_nProgressCounter |
106 : m_nProgressCounter - 1) / | 106 : m_nProgressCounter - 1) / |
107 m_nProgressCounter; | 107 m_nProgressCounter; |
108 } | 108 } |
109 | 109 |
110 FX_BOOL CXFA_LayoutProcessor::IncrementLayout() { | 110 bool CXFA_LayoutProcessor::IncrementLayout() { |
111 if (m_bNeeLayout) { | 111 if (m_bNeeLayout) { |
112 StartLayout(TRUE); | 112 StartLayout(true); |
113 return DoLayout(nullptr) == 100; | 113 return DoLayout(nullptr) == 100; |
114 } | 114 } |
115 | 115 |
116 for (int32_t i = 0, c = m_rgChangedContainers.GetSize(); i < c; i++) { | 116 for (int32_t i = 0, c = m_rgChangedContainers.GetSize(); i < c; i++) { |
117 CXFA_Node* pNode = m_rgChangedContainers[i]; | 117 CXFA_Node* pNode = m_rgChangedContainers[i]; |
118 CXFA_Node* pParentNode = | 118 CXFA_Node* pParentNode = |
119 pNode->GetNodeItem(XFA_NODEITEM_Parent, XFA_ObjectType::ContainerNode); | 119 pNode->GetNodeItem(XFA_NODEITEM_Parent, XFA_ObjectType::ContainerNode); |
120 if (!pParentNode) | 120 if (!pParentNode) |
121 return FALSE; | 121 return false; |
122 if (!CXFA_ItemLayoutProcessor::IncrementRelayoutNode(this, pNode, | 122 if (!CXFA_ItemLayoutProcessor::IncrementRelayoutNode(this, pNode, |
123 pParentNode)) { | 123 pParentNode)) { |
124 return FALSE; | 124 return false; |
125 } | 125 } |
126 } | 126 } |
127 m_rgChangedContainers.RemoveAll(); | 127 m_rgChangedContainers.RemoveAll(); |
128 return TRUE; | 128 return true; |
129 } | 129 } |
130 | 130 |
131 int32_t CXFA_LayoutProcessor::CountPages() const { | 131 int32_t CXFA_LayoutProcessor::CountPages() const { |
132 return m_pLayoutPageMgr ? m_pLayoutPageMgr->GetPageCount() : 0; | 132 return m_pLayoutPageMgr ? m_pLayoutPageMgr->GetPageCount() : 0; |
133 } | 133 } |
134 | 134 |
135 CXFA_ContainerLayoutItem* CXFA_LayoutProcessor::GetPage(int32_t index) const { | 135 CXFA_ContainerLayoutItem* CXFA_LayoutProcessor::GetPage(int32_t index) const { |
136 return m_pLayoutPageMgr ? m_pLayoutPageMgr->GetPage(index) : nullptr; | 136 return m_pLayoutPageMgr ? m_pLayoutPageMgr->GetPage(index) : nullptr; |
137 } | 137 } |
138 | 138 |
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151 } | 151 } |
152 | 152 |
153 void CXFA_LayoutProcessor::ClearLayoutData() { | 153 void CXFA_LayoutProcessor::ClearLayoutData() { |
154 delete m_pLayoutPageMgr; | 154 delete m_pLayoutPageMgr; |
155 m_pLayoutPageMgr = nullptr; | 155 m_pLayoutPageMgr = nullptr; |
156 delete m_pRootItemLayoutProcessor; | 156 delete m_pRootItemLayoutProcessor; |
157 m_pRootItemLayoutProcessor = nullptr; | 157 m_pRootItemLayoutProcessor = nullptr; |
158 m_nProgressCounter = 0; | 158 m_nProgressCounter = 0; |
159 } | 159 } |
160 | 160 |
161 FX_BOOL CXFA_LayoutProcessor::IsNeedLayout() { | 161 bool CXFA_LayoutProcessor::IsNeedLayout() { |
162 return m_bNeeLayout || m_rgChangedContainers.GetSize() > 0; | 162 return m_bNeeLayout || m_rgChangedContainers.GetSize() > 0; |
163 } | 163 } |
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