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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_para.h"
      8 
      9 #include "fxjs/xfa/cjx_para.h"
     10 #include "third_party/base/ptr_util.h"
     11 #include "xfa/fxfa/parser/cxfa_measurement.h"
     12 
     13 namespace {
     14 
     15 const CXFA_Node::PropertyData kPropertyData[] = {
     16     {XFA_Element::Hyphenation, 1, 0},
     17     {XFA_Element::Unknown, 0, 0}};
     18 const CXFA_Node::AttributeData kAttributeData[] = {
     19     {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr},
     20     {XFA_Attribute::HAlign, XFA_AttributeType::Enum,
     21      (void*)XFA_AttributeEnum::Left},
     22     {XFA_Attribute::TextIndent, XFA_AttributeType::Measure, (void*)L"0in"},
     23     {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr},
     24     {XFA_Attribute::Widows, XFA_AttributeType::Integer, (void*)0},
     25     {XFA_Attribute::MarginRight, XFA_AttributeType::Measure, (void*)L"0in"},
     26     {XFA_Attribute::MarginLeft, XFA_AttributeType::Measure, (void*)L"0in"},
     27     {XFA_Attribute::RadixOffset, XFA_AttributeType::Measure, (void*)L"0in"},
     28     {XFA_Attribute::Preserve, XFA_AttributeType::CData, nullptr},
     29     {XFA_Attribute::SpaceBelow, XFA_AttributeType::Measure, (void*)L"0in"},
     30     {XFA_Attribute::VAlign, XFA_AttributeType::Enum,
     31      (void*)XFA_AttributeEnum::Top},
     32     {XFA_Attribute::TabDefault, XFA_AttributeType::CData, nullptr},
     33     {XFA_Attribute::TabStops, XFA_AttributeType::CData, nullptr},
     34     {XFA_Attribute::Orphans, XFA_AttributeType::Integer, (void*)0},
     35     {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr},
     36     {XFA_Attribute::LineHeight, XFA_AttributeType::Measure, (void*)L"0pt"},
     37     {XFA_Attribute::SpaceAbove, XFA_AttributeType::Measure, (void*)L"0in"},
     38     {XFA_Attribute::Unknown, XFA_AttributeType::Integer, nullptr}};
     39 
     40 constexpr wchar_t kName[] = L"para";
     41 
     42 }  // namespace
     43 
     44 CXFA_Para::CXFA_Para(CXFA_Document* doc, XFA_PacketType packet)
     45     : CXFA_Node(doc,
     46                 packet,
     47                 (XFA_XDPPACKET_Template | XFA_XDPPACKET_Form),
     48                 XFA_ObjectType::Node,
     49                 XFA_Element::Para,
     50                 kPropertyData,
     51                 kAttributeData,
     52                 kName,
     53                 pdfium::MakeUnique<CJX_Para>(this)) {}
     54 
     55 CXFA_Para::~CXFA_Para() {}
     56 
     57 XFA_AttributeEnum CXFA_Para::GetHorizontalAlign() {
     58   return JSObject()
     59       ->TryEnum(XFA_Attribute::HAlign, true)
     60       .value_or(XFA_AttributeEnum::Left);
     61 }
     62 
     63 XFA_AttributeEnum CXFA_Para::GetVerticalAlign() {
     64   return JSObject()
     65       ->TryEnum(XFA_Attribute::VAlign, true)
     66       .value_or(XFA_AttributeEnum::Top);
     67 }
     68 
     69 float CXFA_Para::GetLineHeight() {
     70   return JSObject()->GetMeasure(XFA_Attribute::LineHeight).ToUnit(XFA_Unit::Pt);
     71 }
     72 
     73 float CXFA_Para::GetMarginLeft() {
     74   return JSObject()->GetMeasure(XFA_Attribute::MarginLeft).ToUnit(XFA_Unit::Pt);
     75 }
     76 
     77 float CXFA_Para::GetMarginRight() {
     78   return JSObject()
     79       ->GetMeasure(XFA_Attribute::MarginRight)
     80       .ToUnit(XFA_Unit::Pt);
     81 }
     82 
     83 float CXFA_Para::GetSpaceAbove() {
     84   return JSObject()->GetMeasure(XFA_Attribute::SpaceAbove).ToUnit(XFA_Unit::Pt);
     85 }
     86 
     87 float CXFA_Para::GetSpaceBelow() {
     88   return JSObject()->GetMeasure(XFA_Attribute::SpaceBelow).ToUnit(XFA_Unit::Pt);
     89 }
     90 
     91 float CXFA_Para::GetTextIndent() {
     92   return JSObject()->GetMeasure(XFA_Attribute::TextIndent).ToUnit(XFA_Unit::Pt);
     93 }
     94