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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 "fpdfsdk/include/fsdk_actionhandler.h"
#include <set>
#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
#include "fpdfsdk/include/fsdk_define.h"
#include "fpdfsdk/include/fsdk_mgr.h"
#include "fpdfsdk/javascript/ijs_context.h"
#include "fpdfsdk/javascript/ijs_runtime.h"
#include "third_party/base/stl_util.h"
CPDFSDK_ActionHandler::CPDFSDK_ActionHandler()
: m_pFormActionHandler(new CPDFSDK_FormActionHandler) {}
FX_BOOL CPDFSDK_ActionHandler::DoAction_DocOpen(const CPDF_Action& action,
CPDFSDK_Document* pDocument) {
std::set<CPDF_Dictionary*> visited;
return ExecuteDocumentOpenAction(action, pDocument, &visited);
}
FX_BOOL CPDFSDK_ActionHandler::DoAction_JavaScript(
const CPDF_Action& JsAction,
CFX_WideString csJSName,
CPDFSDK_Document* pDocument) {
if (JsAction.GetType() == CPDF_Action::JavaScript) {
CFX_WideString swJS = JsAction.GetJavaScript();
if (!swJS.IsEmpty()) {
RunDocumentOpenJavaScript(pDocument, csJSName, swJS);
return TRUE;
}
}
return FALSE;
}
FX_BOOL CPDFSDK_ActionHandler::DoAction_FieldJavaScript(
const CPDF_Action& JsAction,
CPDF_AAction::AActionType type,
CPDFSDK_Document* pDocument,
CPDF_FormField* pFormField,
PDFSDK_FieldAction& data) {
CPDFDoc_Environment* pEnv = pDocument->GetEnv();
ASSERT(pEnv);
if (pEnv->IsJSInitiated() && JsAction.GetType() == CPDF_Action::JavaScript) {
CFX_WideString swJS = JsAction.GetJavaScript();
if (!swJS.IsEmpty()) {
RunFieldJavaScript(pDocument, pFormField, type, data, swJS);
return TRUE;
}
}
return FALSE;
}
FX_BOOL CPDFSDK_ActionHandler::DoAction_Page(
const CPDF_Action& action,
enum CPDF_AAction::AActionType eType,
CPDFSDK_Document* pDocument) {
std::set<CPDF_Dictionary*> visited;
return ExecuteDocumentPageAction(action, eType, pDocument, &visited);
}
FX_BOOL CPDFSDK_ActionHandler::DoAction_Document(
const CPDF_Action& action,
enum CPDF_AAction::AActionType eType,
CPDFSDK_Document* pDocument) {
std::set<CPDF_Dictionary*> visited;
return ExecuteDocumentPageAction(action, eType, pDocument, &visited);
}
FX_BOOL CPDFSDK_ActionHandler::DoAction_BookMark(CPDF_Bookmark* pBookMark,
const CPDF_Action& action,
CPDF_AAction::AActionType type,
CPDFSDK_Document* pDocument) {
std::set<CPDF_Dictionary*> visited;
return ExecuteBookMark(action, pDocument, pBookMark, &visited);
}
FX_BOOL CPDFSDK_ActionHandler::DoAction_Screen(const CPDF_Action& action,
CPDF_AAction::AActionType type,
CPDFSDK_Document* pDocument,
CPDFSDK_Annot* pScreen) {
std::set<CPDF_Dictionary*> visited;
return ExecuteScreenAction(action, type, pDocument, pScreen, &visited);
}
FX_BOOL CPDFSDK_ActionHandler::DoAction_Link(const CPDF_Action& action,
CPDFSDK_Document* pDocument) {
std::set<CPDF_Dictionary*> visited;
return ExecuteLinkAction(action, pDocument, &visited);
}
FX_BOOL CPDFSDK_ActionHandler::DoAction_Field(const CPDF_Action& action,
CPDF_AAction::AActionType type,
CPDFSDK_Document* pDocument,
CPDF_FormField* pFormField,
PDFSDK_FieldAction& data) {
std::set<CPDF_Dictionary*> visited;
return ExecuteFieldAction(action, type, pDocument, pFormField, data,
&visited);
}
FX_BOOL CPDFSDK_ActionHandler::ExecuteDocumentOpenAction(
const CPDF_Action& action,
CPDFSDK_Document* pDocument,
std::set<CPDF_Dictionary*>* visited) {
CPDF_Dictionary* pDict = action.GetDict();
if (pdfium::ContainsKey(*visited, pDict))
return FALSE;
visited->insert(pDict);
CPDFDoc_Environment* pEnv = pDocument->GetEnv();
ASSERT(pEnv);
if (action.GetType() == CPDF_Action::JavaScript) {
if (pEnv->IsJSInitiated()) {
CFX_WideString swJS = action.GetJavaScript();
if (!swJS.IsEmpty()) {
RunDocumentOpenJavaScript(pDocument, L"", swJS);
}
}
} else {
DoAction_NoJs(action, pDocument);
}
for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) {
CPDF_Action subaction = action.GetSubAction(i);
if (!ExecuteDocumentOpenAction(subaction, pDocument, visited))
return FALSE;
}
return TRUE;
}
FX_BOOL CPDFSDK_ActionHandler::ExecuteLinkAction(
const CPDF_Action& action,
CPDFSDK_Document* pDocument,
std::set<CPDF_Dictionary*>* visited) {
CPDF_Dictionary* pDict = action.GetDict();
if (pdfium::ContainsKey(*visited, pDict))
return FALSE;
visited->insert(pDict);
CPDFDoc_Environment* pEnv = pDocument->GetEnv();
ASSERT(pEnv);
if (action.GetType() == CPDF_Action::JavaScript) {
if (pEnv->IsJSInitiated()) {
CFX_WideString swJS = action.GetJavaScript();
if (!swJS.IsEmpty()) {
IJS_Runtime* pRuntime = pDocument->GetJsRuntime();
pRuntime->SetReaderDocument(pDocument);
IJS_Context* pContext = pRuntime->NewContext();
pContext->OnLink_MouseUp(pDocument);
CFX_WideString csInfo;
FX_BOOL bRet = pContext->RunScript(swJS, &csInfo);
if (!bRet) {
// FIXME: return error.
}
pRuntime->ReleaseContext(pContext);
}
}
} else {
DoAction_NoJs(action, pDocument);
}
for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) {
CPDF_Action subaction = action.GetSubAction(i);
if (!ExecuteLinkAction(subaction, pDocument, visited))
return FALSE;
}
return TRUE;
}
FX_BOOL CPDFSDK_ActionHandler::ExecuteDocumentPageAction(
const CPDF_Action& action,
CPDF_AAction::AActionType type,
CPDFSDK_Document* pDocument,
std::set<CPDF_Dictionary*>* visited) {
CPDF_Dictionary* pDict = action.GetDict();
if (pdfium::ContainsKey(*visited, pDict))
return FALSE;
visited->insert(pDict);
CPDFDoc_Environment* pEnv = pDocument->GetEnv();
ASSERT(pEnv);
if (action.GetType() == CPDF_Action::JavaScript) {
if (pEnv->IsJSInitiated()) {
CFX_WideString swJS = action.GetJavaScript();
if (!swJS.IsEmpty()) {
RunDocumentPageJavaScript(pDocument, type, swJS);
}
}
} else {
DoAction_NoJs(action, pDocument);
}
if (!IsValidDocView(pDocument))
return FALSE;
for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) {
CPDF_Action subaction = action.GetSubAction(i);
if (!ExecuteDocumentPageAction(subaction, type, pDocument, visited))
return FALSE;
}
return TRUE;
}
FX_BOOL CPDFSDK_ActionHandler::IsValidField(CPDFSDK_Document* pDocument,
CPDF_Dictionary* pFieldDict) {
ASSERT(pFieldDict);
CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm();
CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm();
return pPDFInterForm->GetFieldByDict(pFieldDict) != NULL;
}
FX_BOOL CPDFSDK_ActionHandler::ExecuteFieldAction(
const CPDF_Action& action,
CPDF_AAction::AActionType type,
CPDFSDK_Document* pDocument,
CPDF_FormField* pFormField,
PDFSDK_FieldAction& data,
std::set<CPDF_Dictionary*>* visited) {
CPDF_Dictionary* pDict = action.GetDict();
if (pdfium::ContainsKey(*visited, pDict))
return FALSE;
visited->insert(pDict);
CPDFDoc_Environment* pEnv = pDocument->GetEnv();
ASSERT(pEnv);
if (action.GetType() == CPDF_Action::JavaScript) {
if (pEnv->IsJSInitiated()) {
CFX_WideString swJS = action.GetJavaScript();
if (!swJS.IsEmpty()) {
RunFieldJavaScript(pDocument, pFormField, type, data, swJS);
if (!IsValidField(pDocument, pFormField->GetFieldDict()))
return FALSE;
}
}
} else {
DoAction_NoJs(action, pDocument);
}
for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) {
CPDF_Action subaction = action.GetSubAction(i);
if (!ExecuteFieldAction(subaction, type, pDocument, pFormField, data,
visited))
return FALSE;
}
return TRUE;
}
FX_BOOL CPDFSDK_ActionHandler::ExecuteScreenAction(
const CPDF_Action& action,
CPDF_AAction::AActionType type,
CPDFSDK_Document* pDocument,
CPDFSDK_Annot* pScreen,
std::set<CPDF_Dictionary*>* visited) {
CPDF_Dictionary* pDict = action.GetDict();
if (pdfium::ContainsKey(*visited, pDict))
return FALSE;
visited->insert(pDict);
CPDFDoc_Environment* pEnv = pDocument->GetEnv();
ASSERT(pEnv);
if (action.GetType() == CPDF_Action::JavaScript) {
if (pEnv->IsJSInitiated()) {
CFX_WideString swJS = action.GetJavaScript();
if (!swJS.IsEmpty()) {
IJS_Runtime* pRuntime = pDocument->GetJsRuntime();
pRuntime->SetReaderDocument(pDocument);
IJS_Context* pContext = pRuntime->NewContext();
CFX_WideString csInfo;
FX_BOOL bRet = pContext->RunScript(swJS, &csInfo);
if (!bRet) {
// FIXME: return error.
}
pRuntime->ReleaseContext(pContext);
}
}
} else {
DoAction_NoJs(action, pDocument);
}
for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) {
CPDF_Action subaction = action.GetSubAction(i);
if (!ExecuteScreenAction(subaction, type, pDocument, pScreen, visited))
return FALSE;
}
return TRUE;
}
FX_BOOL CPDFSDK_ActionHandler::ExecuteBookMark(
const CPDF_Action& action,
CPDFSDK_Document* pDocument,
CPDF_Bookmark* pBookmark,
std::set<CPDF_Dictionary*>* visited) {
CPDF_Dictionary* pDict = action.GetDict();
if (pdfium::ContainsKey(*visited, pDict))
return FALSE;
visited->insert(pDict);
CPDFDoc_Environment* pEnv = pDocument->GetEnv();
ASSERT(pEnv);
if (action.GetType() == CPDF_Action::JavaScript) {
if (pEnv->IsJSInitiated()) {
CFX_WideString swJS = action.GetJavaScript();
if (!swJS.IsEmpty()) {
IJS_Runtime* pRuntime = pDocument->GetJsRuntime();
pRuntime->SetReaderDocument(pDocument);
IJS_Context* pContext = pRuntime->NewContext();
pContext->OnBookmark_MouseUp(pBookmark);
CFX_WideString csInfo;
FX_BOOL bRet = pContext->RunScript(swJS, &csInfo);
if (!bRet) {
// FIXME: return error.
}
pRuntime->ReleaseContext(pContext);
}
}
} else {
DoAction_NoJs(action, pDocument);
}
for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) {
CPDF_Action subaction = action.GetSubAction(i);
if (!ExecuteBookMark(subaction, pDocument, pBookmark, visited))
return FALSE;
}
return TRUE;
}
void CPDFSDK_ActionHandler::DoAction_NoJs(const CPDF_Action& action,
CPDFSDK_Document* pDocument) {
ASSERT(pDocument);
switch (action.GetType()) {
case CPDF_Action::GoTo:
DoAction_GoTo(pDocument, action);
break;
case CPDF_Action::GoToR:
DoAction_GoToR(pDocument, action);
break;
case CPDF_Action::GoToE:
break;
case CPDF_Action::Launch:
DoAction_Launch(pDocument, action);
break;
case CPDF_Action::Thread:
break;
case CPDF_Action::URI:
DoAction_URI(pDocument, action);
break;
case CPDF_Action::Sound:
break;
case CPDF_Action::Movie:
break;
case CPDF_Action::Hide:
if (m_pFormActionHandler) {
m_pFormActionHandler->DoAction_Hide(action, pDocument);
}
break;
case CPDF_Action::Named:
DoAction_Named(pDocument, action);
break;
case CPDF_Action::SubmitForm:
if (m_pFormActionHandler) {
m_pFormActionHandler->DoAction_SubmitForm(action, pDocument);
}
break;
case CPDF_Action::ResetForm:
if (m_pFormActionHandler) {
m_pFormActionHandler->DoAction_ResetForm(action, pDocument);
}
break;
case CPDF_Action::ImportData:
if (m_pFormActionHandler) {
m_pFormActionHandler->DoAction_ImportData(action, pDocument);
}
break;
case CPDF_Action::JavaScript:
ASSERT(FALSE);
break;
case CPDF_Action::SetOCGState:
DoAction_SetOCGState(pDocument, action);
break;
case CPDF_Action::Rendition:
break;
case CPDF_Action::Trans:
break;
case CPDF_Action::GoTo3DView:
break;
default:
break;
}
}
FX_BOOL CPDFSDK_ActionHandler::IsValidDocView(CPDFSDK_Document* pDocument) {
ASSERT(pDocument);
return TRUE;
}
void CPDFSDK_ActionHandler::DoAction_GoTo(CPDFSDK_Document* pDocument,
const CPDF_Action& action) {
ASSERT(action.GetDict());
CPDF_Document* pPDFDocument = pDocument->GetPDFDocument();
ASSERT(pPDFDocument);
CPDF_Dest MyDest = action.GetDest(pPDFDocument);
int nPageIndex = MyDest.GetPageIndex(pPDFDocument);
int nFitType = MyDest.GetZoomMode();
const CPDF_Array* pMyArray = ToArray(MyDest.GetObject());
float* pPosAry = nullptr;
int sizeOfAry = 0;
if (pMyArray) {
pPosAry = new float[pMyArray->GetCount()];
int j = 0;
for (size_t i = 2; i < pMyArray->GetCount(); i++) {
pPosAry[j++] = pMyArray->GetFloatAt(i);
}
sizeOfAry = j;
}
CPDFDoc_Environment* pApp = pDocument->GetEnv();
pApp->FFI_DoGoToAction(nPageIndex, nFitType, pPosAry, sizeOfAry);
delete[] pPosAry;
}
void CPDFSDK_ActionHandler::DoAction_GoToR(CPDFSDK_Document* pDocument,
const CPDF_Action& action) {}
void CPDFSDK_ActionHandler::DoAction_Launch(CPDFSDK_Document* pDocument,
const CPDF_Action& action) {}
void CPDFSDK_ActionHandler::DoAction_URI(CPDFSDK_Document* pDocument,
const CPDF_Action& action) {
ASSERT(action.GetDict());
CPDFDoc_Environment* pApp = pDocument->GetEnv();
CFX_ByteString sURI = action.GetURI(pDocument->GetPDFDocument());
pApp->FFI_DoURIAction(sURI.c_str());
}
void CPDFSDK_ActionHandler::DoAction_Named(CPDFSDK_Document* pDocument,
const CPDF_Action& action) {
ASSERT(action.GetDict());
CFX_ByteString csName = action.GetNamedAction();
pDocument->GetEnv()->FFI_ExecuteNamedAction(csName);
}
void CPDFSDK_ActionHandler::DoAction_SetOCGState(CPDFSDK_Document* pDocument,
const CPDF_Action& action) {}
void CPDFSDK_ActionHandler::RunFieldJavaScript(CPDFSDK_Document* pDocument,
CPDF_FormField* pFormField,
CPDF_AAction::AActionType type,
PDFSDK_FieldAction& data,
const CFX_WideString& script) {
ASSERT(type != CPDF_AAction::Calculate);
ASSERT(type != CPDF_AAction::Format);
IJS_Runtime* pRuntime = pDocument->GetJsRuntime();
pRuntime->SetReaderDocument(pDocument);
IJS_Context* pContext = pRuntime->NewContext();
switch (type) {
case CPDF_AAction::CursorEnter:
pContext->OnField_MouseEnter(data.bModifier, data.bShift, pFormField);
break;
case CPDF_AAction::CursorExit:
pContext->OnField_MouseExit(data.bModifier, data.bShift, pFormField);
break;
case CPDF_AAction::ButtonDown:
pContext->OnField_MouseDown(data.bModifier, data.bShift, pFormField);
break;
case CPDF_AAction::ButtonUp:
pContext->OnField_MouseUp(data.bModifier, data.bShift, pFormField);
break;
case CPDF_AAction::GetFocus:
pContext->OnField_Focus(data.bModifier, data.bShift, pFormField,
data.sValue);
break;
case CPDF_AAction::LoseFocus:
pContext->OnField_Blur(data.bModifier, data.bShift, pFormField,
data.sValue);
break;
case CPDF_AAction::KeyStroke:
pContext->OnField_Keystroke(data.sChange, data.sChangeEx, data.bKeyDown,
data.bModifier, data.nSelEnd, data.nSelStart,
data.bShift, pFormField, data.sValue,
data.bWillCommit, data.bFieldFull, data.bRC);
break;
case CPDF_AAction::Validate:
pContext->OnField_Validate(data.sChange, data.sChangeEx, data.bKeyDown,
data.bModifier, data.bShift, pFormField,
data.sValue, data.bRC);
break;
default:
ASSERT(FALSE);
break;
}
CFX_WideString csInfo;
FX_BOOL bRet = pContext->RunScript(script, &csInfo);
if (!bRet) {
// FIXME: return error.
}
pRuntime->ReleaseContext(pContext);
}
void CPDFSDK_ActionHandler::RunDocumentOpenJavaScript(
CPDFSDK_Document* pDocument,
const CFX_WideString& sScriptName,
const CFX_WideString& script) {
IJS_Runtime* pRuntime = pDocument->GetJsRuntime();
pRuntime->SetReaderDocument(pDocument);
IJS_Context* pContext = pRuntime->NewContext();
pContext->OnDoc_Open(pDocument, sScriptName);
CFX_WideString csInfo;
FX_BOOL bRet = pContext->RunScript(script, &csInfo);
if (!bRet) {
// FIXME: return error.
}
pRuntime->ReleaseContext(pContext);
}
void CPDFSDK_ActionHandler::RunDocumentPageJavaScript(
CPDFSDK_Document* pDocument,
CPDF_AAction::AActionType type,
const CFX_WideString& script) {
IJS_Runtime* pRuntime = pDocument->GetJsRuntime();
pRuntime->SetReaderDocument(pDocument);
IJS_Context* pContext = pRuntime->NewContext();
switch (type) {
case CPDF_AAction::OpenPage:
pContext->OnPage_Open(pDocument);
break;
case CPDF_AAction::ClosePage:
pContext->OnPage_Close(pDocument);
break;
case CPDF_AAction::CloseDocument:
pContext->OnDoc_WillClose(pDocument);
break;
case CPDF_AAction::SaveDocument:
pContext->OnDoc_WillSave(pDocument);
break;
case CPDF_AAction::DocumentSaved:
pContext->OnDoc_DidSave(pDocument);
break;
case CPDF_AAction::PrintDocument:
pContext->OnDoc_WillPrint(pDocument);
break;
case CPDF_AAction::DocumentPrinted:
pContext->OnDoc_DidPrint(pDocument);
break;
case CPDF_AAction::PageVisible:
pContext->OnPage_InView(pDocument);
break;
case CPDF_AAction::PageInvisible:
pContext->OnPage_OutView(pDocument);
break;
default:
ASSERT(FALSE);
break;
}
CFX_WideString csInfo;
FX_BOOL bRet = pContext->RunScript(script, &csInfo);
if (!bRet) {
// FIXME: return error.
}
pRuntime->ReleaseContext(pContext);
}
FX_BOOL CPDFSDK_FormActionHandler::DoAction_Hide(const CPDF_Action& action,
CPDFSDK_Document* pDocument) {
CPDFSDK_InterForm* pInterForm = (CPDFSDK_InterForm*)pDocument->GetInterForm();
if (pInterForm->DoAction_Hide(action)) {
pDocument->SetChangeMark();
return TRUE;
}
return FALSE;
}
FX_BOOL CPDFSDK_FormActionHandler::DoAction_SubmitForm(
const CPDF_Action& action,
CPDFSDK_Document* pDocument) {
CPDFSDK_InterForm* pInterForm = (CPDFSDK_InterForm*)pDocument->GetInterForm();
return pInterForm->DoAction_SubmitForm(action);
}
FX_BOOL CPDFSDK_FormActionHandler::DoAction_ResetForm(
const CPDF_Action& action,
CPDFSDK_Document* pDocument) {
CPDFSDK_InterForm* pInterForm = (CPDFSDK_InterForm*)pDocument->GetInterForm();
return pInterForm->DoAction_ResetForm(action);
}
FX_BOOL CPDFSDK_FormActionHandler::DoAction_ImportData(
const CPDF_Action& action,
CPDFSDK_Document* pDocument) {
CPDFSDK_InterForm* pInterForm = (CPDFSDK_InterForm*)pDocument->GetInterForm();
if (pInterForm->DoAction_ImportData(action)) {
pDocument->SetChangeMark();
return TRUE;
}
return FALSE;
}