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      1 // Copyright 2017 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #include "xfa/fxfa/parser/cxfa_margin.h"
      8 
      9 #include "fxjs/xfa/cjx_margin.h"
     10 #include "third_party/base/ptr_util.h"
     11 
     12 namespace {
     13 
     14 const CXFA_Node::PropertyData kPropertyData[] = {{XFA_Element::Extras, 1, 0},
     15                                                  {XFA_Element::Unknown, 0, 0}};
     16 const CXFA_Node::AttributeData kAttributeData[] = {
     17     {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr},
     18     {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr},
     19     {XFA_Attribute::LeftInset, XFA_AttributeType::Measure, (void*)L"0in"},
     20     {XFA_Attribute::BottomInset, XFA_AttributeType::Measure, (void*)L"0in"},
     21     {XFA_Attribute::TopInset, XFA_AttributeType::Measure, (void*)L"0in"},
     22     {XFA_Attribute::RightInset, XFA_AttributeType::Measure, (void*)L"0in"},
     23     {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr},
     24     {XFA_Attribute::Unknown, XFA_AttributeType::Integer, nullptr}};
     25 
     26 constexpr wchar_t kName[] = L"margin";
     27 
     28 }  // namespace
     29 
     30 CXFA_Margin::CXFA_Margin(CXFA_Document* doc, XFA_PacketType packet)
     31     : CXFA_Node(doc,
     32                 packet,
     33                 (XFA_XDPPACKET_Template | XFA_XDPPACKET_Form),
     34                 XFA_ObjectType::Node,
     35                 XFA_Element::Margin,
     36                 kPropertyData,
     37                 kAttributeData,
     38                 kName,
     39                 pdfium::MakeUnique<CJX_Margin>(this)) {}
     40 
     41 CXFA_Margin::~CXFA_Margin() {}
     42 
     43 float CXFA_Margin::GetLeftInset() const {
     44   return TryLeftInset().value_or(0);
     45 }
     46 
     47 float CXFA_Margin::GetTopInset() const {
     48   return TryTopInset().value_or(0);
     49 }
     50 
     51 float CXFA_Margin::GetRightInset() const {
     52   return TryRightInset().value_or(0);
     53 }
     54 
     55 float CXFA_Margin::GetBottomInset() const {
     56   return TryBottomInset().value_or(0);
     57 }
     58 
     59 Optional<float> CXFA_Margin::TryLeftInset() const {
     60   return JSObject()->TryMeasureAsFloat(XFA_Attribute::LeftInset);
     61 }
     62 
     63 Optional<float> CXFA_Margin::TryTopInset() const {
     64   return JSObject()->TryMeasureAsFloat(XFA_Attribute::TopInset);
     65 }
     66 
     67 Optional<float> CXFA_Margin::TryRightInset() const {
     68   return JSObject()->TryMeasureAsFloat(XFA_Attribute::RightInset);
     69 }
     70 
     71 Optional<float> CXFA_Margin::TryBottomInset() const {
     72   return JSObject()->TryMeasureAsFloat(XFA_Attribute::BottomInset);
     73 }
     74