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// 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 "xfa/fxfa/cxfa_textprovider.h"
#include <algorithm>
#include <memory>
#include <vector>
#include "core/fxcrt/xml/cfx_xmlelement.h"
#include "core/fxcrt/xml/cfx_xmlnode.h"
#include "fxjs/cfxjse_engine.h"
#include "fxjs/cfxjse_value.h"
#include "third_party/base/ptr_util.h"
#include "third_party/base/stl_util.h"
#include "xfa/fde/cfde_textout.h"
#include "xfa/fxfa/cxfa_eventparam.h"
#include "xfa/fxfa/cxfa_ffapp.h"
#include "xfa/fxfa/cxfa_ffcheckbutton.h"
#include "xfa/fxfa/cxfa_ffdoc.h"
#include "xfa/fxfa/cxfa_ffdocview.h"
#include "xfa/fxfa/cxfa_fffield.h"
#include "xfa/fxfa/cxfa_ffpageview.h"
#include "xfa/fxfa/cxfa_ffwidget.h"
#include "xfa/fxfa/cxfa_fontmgr.h"
#include "xfa/fxfa/cxfa_fwladapterwidgetmgr.h"
#include "xfa/fxfa/parser/cxfa_layoutprocessor.h"
#include "xfa/fxfa/parser/cxfa_localevalue.h"
#include "xfa/fxfa/parser/cxfa_node.h"
#include "xfa/fxfa/parser/xfa_resolvenode_rs.h"
#include "xfa/fxfa/parser/xfa_utils.h"
CXFA_Node* CXFA_TextProvider::GetTextNode(bool& bRichText) {
bRichText = false;
if (m_eType == XFA_TEXTPROVIDERTYPE_Text) {
CXFA_Node* pElementNode = m_pWidgetAcc->GetNode();
CXFA_Node* pValueNode =
pElementNode->GetChild(0, XFA_Element::Value, false);
if (!pValueNode)
return nullptr;
CXFA_Node* pChildNode = pValueNode->GetNodeItem(XFA_NODEITEM_FirstChild);
if (pChildNode && pChildNode->GetElementType() == XFA_Element::ExData) {
pdfium::Optional<WideString> contentType =
pChildNode->JSNode()->TryAttribute(XFA_Attribute::ContentType, false);
if (contentType && *contentType == L"text/html")
bRichText = true;
}
return pChildNode;
}
if (m_eType == XFA_TEXTPROVIDERTYPE_Datasets) {
CXFA_Node* pBind = m_pWidgetAcc->GetDatasets();
CFX_XMLNode* pXMLNode = pBind->GetXMLMappingNode();
ASSERT(pXMLNode);
for (CFX_XMLNode* pXMLChild =
pXMLNode->GetNodeItem(CFX_XMLNode::FirstChild);
pXMLChild;
pXMLChild = pXMLChild->GetNodeItem(CFX_XMLNode::NextSibling)) {
if (pXMLChild->GetType() == FX_XMLNODE_Element) {
CFX_XMLElement* pElement = static_cast<CFX_XMLElement*>(pXMLChild);
if (XFA_RecognizeRichText(pElement))
bRichText = true;
}
}
return pBind;
}
if (m_eType == XFA_TEXTPROVIDERTYPE_Caption) {
CXFA_Node* pCaptionNode =
m_pWidgetAcc->GetNode()->GetChild(0, XFA_Element::Caption, false);
if (!pCaptionNode)
return nullptr;
CXFA_Node* pValueNode =
pCaptionNode->GetChild(0, XFA_Element::Value, false);
if (!pValueNode)
return nullptr;
CXFA_Node* pChildNode = pValueNode->GetNodeItem(XFA_NODEITEM_FirstChild);
if (pChildNode && pChildNode->GetElementType() == XFA_Element::ExData) {
pdfium::Optional<WideString> contentType =
pChildNode->JSNode()->TryAttribute(XFA_Attribute::ContentType, false);
if (contentType && *contentType == L"text/html")
bRichText = true;
}
return pChildNode;
}
CXFA_Node* pItemNode =
m_pWidgetAcc->GetNode()->GetChild(0, XFA_Element::Items, false);
if (!pItemNode)
return nullptr;
CXFA_Node* pNode = pItemNode->GetNodeItem(XFA_NODEITEM_FirstChild);
while (pNode) {
WideString wsName = pNode->JSNode()->GetCData(XFA_Attribute::Name);
if (m_eType == XFA_TEXTPROVIDERTYPE_Rollover && wsName == L"rollover")
return pNode;
if (m_eType == XFA_TEXTPROVIDERTYPE_Down && wsName == L"down")
return pNode;
pNode = pNode->GetNodeItem(XFA_NODEITEM_NextSibling);
}
return nullptr;
}
CXFA_ParaData CXFA_TextProvider::GetParaData() {
if (m_eType == XFA_TEXTPROVIDERTYPE_Text)
return m_pWidgetAcc->GetParaData();
CXFA_Node* pNode =
m_pWidgetAcc->GetNode()->GetChild(0, XFA_Element::Caption, false);
return CXFA_ParaData(pNode->GetChild(0, XFA_Element::Para, false));
}
CXFA_FontData CXFA_TextProvider::GetFontData() {
if (m_eType == XFA_TEXTPROVIDERTYPE_Text)
return m_pWidgetAcc->GetFontData(false);
CXFA_Node* pNode =
m_pWidgetAcc->GetNode()->GetChild(0, XFA_Element::Caption, false);
pNode = pNode->GetChild(0, XFA_Element::Font, false);
return pNode ? CXFA_FontData(pNode) : m_pWidgetAcc->GetFontData(false);
}
bool CXFA_TextProvider::IsCheckButtonAndAutoWidth() {
XFA_Element eType = m_pWidgetAcc->GetUIType();
if (eType != XFA_Element::CheckButton)
return false;
return !m_pWidgetAcc->TryWidth();
}
bool CXFA_TextProvider::GetEmbbedObj(bool bURI,
bool bRaw,
const WideString& wsAttr,
WideString& wsValue) {
if (m_eType != XFA_TEXTPROVIDERTYPE_Text)
return false;
if (!bURI)
return false;
CXFA_Node* pWidgetNode = m_pWidgetAcc->GetNode();
CXFA_Node* pParent = pWidgetNode->GetNodeItem(XFA_NODEITEM_Parent);
CXFA_Document* pDocument = pWidgetNode->GetDocument();
CXFA_Node* pIDNode = nullptr;
CXFA_WidgetAcc* pEmbAcc = nullptr;
if (pParent)
pIDNode = pDocument->GetNodeByID(pParent, wsAttr.AsStringView());
if (!pIDNode) {
pIDNode = pDocument->GetNodeByID(
ToNode(pDocument->GetXFAObject(XFA_HASHCODE_Form)),
wsAttr.AsStringView());
}
if (pIDNode)
pEmbAcc = static_cast<CXFA_WidgetAcc*>(pIDNode->GetWidgetData());
if (!pEmbAcc)
return false;
wsValue = pEmbAcc->GetValue(XFA_VALUEPICTURE_Display);
return true;
}
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