1// Copyright 2016 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 "core/fpdfdoc/cpdf_action.h" 8 9#include "core/fpdfapi/parser/cpdf_array.h" 10#include "core/fpdfapi/parser/cpdf_document.h" 11#include "core/fpdfdoc/cpdf_filespec.h" 12#include "core/fpdfdoc/cpdf_nametree.h" 13 14namespace { 15 16const FX_CHAR* const g_sATypes[] = { 17 "Unknown", "GoTo", "GoToR", "GoToE", "Launch", 18 "Thread", "URI", "Sound", "Movie", "Hide", 19 "Named", "SubmitForm", "ResetForm", "ImportData", "JavaScript", 20 "SetOCGState", "Rendition", "Trans", "GoTo3DView", nullptr}; 21 22} // namespace 23 24CPDF_Dest CPDF_Action::GetDest(CPDF_Document* pDoc) const { 25 if (!m_pDict) 26 return CPDF_Dest(); 27 28 CFX_ByteString type = m_pDict->GetStringFor("S"); 29 if (type != "GoTo" && type != "GoToR") 30 return CPDF_Dest(); 31 32 CPDF_Object* pDest = m_pDict->GetDirectObjectFor("D"); 33 if (!pDest) 34 return CPDF_Dest(); 35 if (pDest->IsString() || pDest->IsName()) { 36 CPDF_NameTree name_tree(pDoc, "Dests"); 37 return CPDF_Dest(name_tree.LookupNamedDest(pDoc, pDest->GetString())); 38 } 39 if (CPDF_Array* pArray = pDest->AsArray()) 40 return CPDF_Dest(pArray); 41 42 return CPDF_Dest(); 43} 44 45CPDF_Action::ActionType CPDF_Action::GetType() const { 46 if (!m_pDict) 47 return Unknown; 48 49 CFX_ByteString csType = m_pDict->GetStringFor("S"); 50 if (csType.IsEmpty()) 51 return Unknown; 52 53 for (int i = 0; g_sATypes[i]; ++i) { 54 if (csType == g_sATypes[i]) 55 return static_cast<ActionType>(i); 56 } 57 return Unknown; 58} 59 60CFX_WideString CPDF_Action::GetFilePath() const { 61 CFX_ByteString type = m_pDict->GetStringFor("S"); 62 if (type != "GoToR" && type != "Launch" && type != "SubmitForm" && 63 type != "ImportData") { 64 return CFX_WideString(); 65 } 66 67 CPDF_Object* pFile = m_pDict->GetDirectObjectFor("F"); 68 CFX_WideString path; 69 if (!pFile) { 70 if (type == "Launch") { 71 CPDF_Dictionary* pWinDict = m_pDict->GetDictFor("Win"); 72 if (pWinDict) { 73 return CFX_WideString::FromLocal( 74 pWinDict->GetStringFor("F").AsStringC()); 75 } 76 } 77 return path; 78 } 79 80 CPDF_FileSpec filespec(pFile); 81 filespec.GetFileName(&path); 82 return path; 83} 84 85CFX_ByteString CPDF_Action::GetURI(CPDF_Document* pDoc) const { 86 CFX_ByteString csURI; 87 if (!m_pDict) 88 return csURI; 89 if (m_pDict->GetStringFor("S") != "URI") 90 return csURI; 91 92 csURI = m_pDict->GetStringFor("URI"); 93 CPDF_Dictionary* pRoot = pDoc->GetRoot(); 94 CPDF_Dictionary* pURI = pRoot->GetDictFor("URI"); 95 if (pURI) { 96 if (csURI.Find(":", 0) < 1) 97 csURI = pURI->GetStringFor("Base") + csURI; 98 } 99 return csURI; 100} 101 102CFX_WideString CPDF_Action::GetJavaScript() const { 103 CFX_WideString csJS; 104 if (!m_pDict) 105 return csJS; 106 107 CPDF_Object* pJS = m_pDict->GetDirectObjectFor("JS"); 108 return pJS ? pJS->GetUnicodeText() : csJS; 109} 110 111size_t CPDF_Action::GetSubActionsCount() const { 112 if (!m_pDict || !m_pDict->KeyExist("Next")) 113 return 0; 114 115 CPDF_Object* pNext = m_pDict->GetDirectObjectFor("Next"); 116 if (!pNext) 117 return 0; 118 if (pNext->IsDictionary()) 119 return 1; 120 if (CPDF_Array* pArray = pNext->AsArray()) 121 return pArray->GetCount(); 122 return 0; 123} 124 125CPDF_Action CPDF_Action::GetSubAction(size_t iIndex) const { 126 if (!m_pDict || !m_pDict->KeyExist("Next")) 127 return CPDF_Action(); 128 129 CPDF_Object* pNext = m_pDict->GetDirectObjectFor("Next"); 130 if (CPDF_Dictionary* pDict = ToDictionary(pNext)) { 131 if (iIndex == 0) 132 return CPDF_Action(pDict); 133 } else if (CPDF_Array* pArray = ToArray(pNext)) { 134 return CPDF_Action(pArray->GetDictAt(iIndex)); 135 } 136 return CPDF_Action(); 137} 138