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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_caption.h"
      8 
      9 #include "fxjs/xfa/cjx_caption.h"
     10 #include "third_party/base/ptr_util.h"
     11 #include "xfa/fxfa/parser/cxfa_font.h"
     12 #include "xfa/fxfa/parser/cxfa_margin.h"
     13 #include "xfa/fxfa/parser/cxfa_measurement.h"
     14 #include "xfa/fxfa/parser/cxfa_value.h"
     15 
     16 namespace {
     17 
     18 const CXFA_Node::PropertyData kPropertyData[] = {
     19     {XFA_Element::Margin, 1, 0}, {XFA_Element::Para, 1, 0},
     20     {XFA_Element::Font, 1, 0},   {XFA_Element::Value, 1, 0},
     21     {XFA_Element::Extras, 1, 0}, {XFA_Element::Unknown, 0, 0}};
     22 const CXFA_Node::AttributeData kAttributeData[] = {
     23     {XFA_Attribute::Id, XFA_AttributeType::CData, nullptr},
     24     {XFA_Attribute::Use, XFA_AttributeType::CData, nullptr},
     25     {XFA_Attribute::Reserve, XFA_AttributeType::Measure, (void*)L"-1un"},
     26     {XFA_Attribute::Presence, XFA_AttributeType::Enum,
     27      (void*)XFA_AttributeEnum::Visible},
     28     {XFA_Attribute::Usehref, XFA_AttributeType::CData, nullptr},
     29     {XFA_Attribute::Placement, XFA_AttributeType::Enum,
     30      (void*)XFA_AttributeEnum::Left},
     31     {XFA_Attribute::Unknown, XFA_AttributeType::Integer, nullptr}};
     32 
     33 constexpr wchar_t kName[] = L"caption";
     34 
     35 }  // namespace
     36 
     37 CXFA_Caption::CXFA_Caption(CXFA_Document* doc, XFA_PacketType packet)
     38     : CXFA_Node(doc,
     39                 packet,
     40                 (XFA_XDPPACKET_Template | XFA_XDPPACKET_Form),
     41                 XFA_ObjectType::Node,
     42                 XFA_Element::Caption,
     43                 kPropertyData,
     44                 kAttributeData,
     45                 kName,
     46                 pdfium::MakeUnique<CJX_Caption>(this)) {}
     47 
     48 CXFA_Caption::~CXFA_Caption() {}
     49 
     50 bool CXFA_Caption::IsVisible() {
     51   return JSObject()
     52              ->TryEnum(XFA_Attribute::Presence, true)
     53              .value_or(XFA_AttributeEnum::Visible) ==
     54          XFA_AttributeEnum::Visible;
     55 }
     56 
     57 bool CXFA_Caption::IsHidden() {
     58   return JSObject()
     59              ->TryEnum(XFA_Attribute::Presence, true)
     60              .value_or(XFA_AttributeEnum::Visible) == XFA_AttributeEnum::Hidden;
     61 }
     62 
     63 XFA_AttributeEnum CXFA_Caption::GetPlacementType() {
     64   return JSObject()
     65       ->TryEnum(XFA_Attribute::Placement, true)
     66       .value_or(XFA_AttributeEnum::Left);
     67 }
     68 
     69 float CXFA_Caption::GetReserve() const {
     70   return JSObject()->GetMeasure(XFA_Attribute::Reserve).ToUnit(XFA_Unit::Pt);
     71 }
     72 
     73 CXFA_Margin* CXFA_Caption::GetMarginIfExists() {
     74   return GetChild<CXFA_Margin>(0, XFA_Element::Margin, false);
     75 }
     76 
     77 CXFA_Font* CXFA_Caption::GetFontIfExists() {
     78   return GetChild<CXFA_Font>(0, XFA_Element::Font, false);
     79 }
     80 
     81 CXFA_Value* CXFA_Caption::GetValueIfExists() {
     82   return GetChild<CXFA_Value>(0, XFA_Element::Value, false);
     83 }
     84