// 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_caption.h" #include "xfa/fxfa/parser/cxfa_font.h" #include "xfa/fxfa/parser/cxfa_items.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/cxfa_para.h" #include "xfa/fxfa/parser/cxfa_value.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_Value* pValueNode = pElementNode->GetChild<CXFA_Value>(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->JSObject()->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_Caption* pCaptionNode = m_pWidgetAcc->GetNode()->GetChild<CXFA_Caption>(0, XFA_Element::Caption, false); if (!pCaptionNode) return nullptr; CXFA_Value* pValueNode = pCaptionNode->GetChild<CXFA_Value>(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->JSObject()->TryAttribute(XFA_Attribute::ContentType, false); if (contentType && *contentType == L"text/html") bRichText = true; } return pChildNode; } CXFA_Items* pItemNode = m_pWidgetAcc->GetNode()->GetChild<CXFA_Items>( 0, XFA_Element::Items, false); if (!pItemNode) return nullptr; CXFA_Node* pNode = pItemNode->GetNodeItem(XFA_NODEITEM_FirstChild); while (pNode) { WideString wsName = pNode->JSObject()->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_Caption* pNode = m_pWidgetAcc->GetNode()->GetChild<CXFA_Caption>( 0, XFA_Element::Caption, false); return CXFA_ParaData(pNode->GetChild<CXFA_Para>(0, XFA_Element::Para, false)); } CXFA_FontData CXFA_TextProvider::GetFontData() { if (m_eType == XFA_TEXTPROVIDERTYPE_Text) return m_pWidgetAcc->GetFontData(false); CXFA_Caption* pNode = m_pWidgetAcc->GetNode()->GetChild<CXFA_Caption>( 0, XFA_Element::Caption, false); CXFA_Font* font = pNode->GetChild<CXFA_Font>(0, XFA_Element::Font, false); return font ? CXFA_FontData(font) : 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; }