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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/fsdk_actionhandler.h"
#include <set>
#include <vector>
#include "core/fpdfapi/parser/cpdf_array.h"
#include "core/fpdfdoc/cpdf_formfield.h"
#include "core/fpdfdoc/cpdf_interform.h"
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
#include "fpdfsdk/cpdfsdk_interform.h"
#include "fpdfsdk/fsdk_define.h"
#include "fpdfsdk/javascript/ijs_event_context.h"
#include "fpdfsdk/javascript/ijs_runtime.h"
#include "third_party/base/logging.h"
#include "third_party/base/stl_util.h"
bool CPDFSDK_ActionHandler::DoAction_DocOpen(
const CPDF_Action& action,
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
std::set<CPDF_Dictionary*> visited;
return ExecuteDocumentOpenAction(action, pFormFillEnv, &visited);
}
bool CPDFSDK_ActionHandler::DoAction_JavaScript(
const CPDF_Action& JsAction,
CFX_WideString csJSName,
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
if (JsAction.GetType() == CPDF_Action::JavaScript) {
CFX_WideString swJS = JsAction.GetJavaScript();
if (!swJS.IsEmpty()) {
RunDocumentOpenJavaScript(pFormFillEnv, csJSName, swJS);
return true;
}
}
return false;
}
bool CPDFSDK_ActionHandler::DoAction_FieldJavaScript(
const CPDF_Action& JsAction,
CPDF_AAction::AActionType type,
CPDFSDK_FormFillEnvironment* pFormFillEnv,
CPDF_FormField* pFormField,
PDFSDK_FieldAction& data) {
ASSERT(pFormFillEnv);
if (pFormFillEnv->IsJSInitiated() &&
JsAction.GetType() == CPDF_Action::JavaScript) {
CFX_WideString swJS = JsAction.GetJavaScript();
if (!swJS.IsEmpty()) {
RunFieldJavaScript(pFormFillEnv, pFormField, type, data, swJS);
return true;
}
}
return false;
}
bool CPDFSDK_ActionHandler::DoAction_Page(
const CPDF_Action& action,
enum CPDF_AAction::AActionType eType,
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
std::set<CPDF_Dictionary*> visited;
return ExecuteDocumentPageAction(action, eType, pFormFillEnv, &visited);
}
bool CPDFSDK_ActionHandler::DoAction_Document(
const CPDF_Action& action,
enum CPDF_AAction::AActionType eType,
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
std::set<CPDF_Dictionary*> visited;
return ExecuteDocumentPageAction(action, eType, pFormFillEnv, &visited);
}
bool CPDFSDK_ActionHandler::DoAction_BookMark(
CPDF_Bookmark* pBookMark,
const CPDF_Action& action,
CPDF_AAction::AActionType type,
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
std::set<CPDF_Dictionary*> visited;
return ExecuteBookMark(action, pFormFillEnv, pBookMark, &visited);
}
bool CPDFSDK_ActionHandler::DoAction_Screen(
const CPDF_Action& action,
CPDF_AAction::AActionType type,
CPDFSDK_FormFillEnvironment* pFormFillEnv,
CPDFSDK_Annot* pScreen) {
std::set<CPDF_Dictionary*> visited;
return ExecuteScreenAction(action, type, pFormFillEnv, pScreen, &visited);
}
bool CPDFSDK_ActionHandler::DoAction_Link(
const CPDF_Action& action,
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
std::set<CPDF_Dictionary*> visited;
return ExecuteLinkAction(action, pFormFillEnv, &visited);
}
bool CPDFSDK_ActionHandler::DoAction_Field(
const CPDF_Action& action,
CPDF_AAction::AActionType type,
CPDFSDK_FormFillEnvironment* pFormFillEnv,
CPDF_FormField* pFormField,
PDFSDK_FieldAction& data) {
std::set<CPDF_Dictionary*> visited;
return ExecuteFieldAction(action, type, pFormFillEnv, pFormField, data,
&visited);
}
bool CPDFSDK_ActionHandler::ExecuteDocumentOpenAction(
const CPDF_Action& action,
CPDFSDK_FormFillEnvironment* pFormFillEnv,
std::set<CPDF_Dictionary*>* visited) {
CPDF_Dictionary* pDict = action.GetDict();
if (pdfium::ContainsKey(*visited, pDict))
return false;
visited->insert(pDict);
ASSERT(pFormFillEnv);
if (action.GetType() == CPDF_Action::JavaScript) {
if (pFormFillEnv->IsJSInitiated()) {
CFX_WideString swJS = action.GetJavaScript();
if (!swJS.IsEmpty()) {
RunDocumentOpenJavaScript(pFormFillEnv, L"", swJS);
}
}
} else {
DoAction_NoJs(action, pFormFillEnv);
}
for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) {
CPDF_Action subaction = action.GetSubAction(i);
if (!ExecuteDocumentOpenAction(subaction, pFormFillEnv, visited))
return false;
}
return true;
}
bool CPDFSDK_ActionHandler::ExecuteLinkAction(
const CPDF_Action& action,
CPDFSDK_FormFillEnvironment* pFormFillEnv,
std::set<CPDF_Dictionary*>* visited) {
CPDF_Dictionary* pDict = action.GetDict();
if (pdfium::ContainsKey(*visited, pDict))
return false;
visited->insert(pDict);
ASSERT(pFormFillEnv);
if (action.GetType() == CPDF_Action::JavaScript) {
if (pFormFillEnv->IsJSInitiated()) {
CFX_WideString swJS = action.GetJavaScript();
if (!swJS.IsEmpty()) {
IJS_Runtime* pRuntime = pFormFillEnv->GetJSRuntime();
IJS_EventContext* pContext = pRuntime->NewEventContext();
pContext->OnLink_MouseUp(pFormFillEnv);
CFX_WideString csInfo;
bool bRet = pContext->RunScript(swJS, &csInfo);
pRuntime->ReleaseEventContext(pContext);
if (!bRet) {
// FIXME: return error.
}
}
}
} else {
DoAction_NoJs(action, pFormFillEnv);
}
for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) {
CPDF_Action subaction = action.GetSubAction(i);
if (!ExecuteLinkAction(subaction, pFormFillEnv, visited))
return false;
}
return true;
}
bool CPDFSDK_ActionHandler::ExecuteDocumentPageAction(
const CPDF_Action& action,
CPDF_AAction::AActionType type,
CPDFSDK_FormFillEnvironment* pFormFillEnv,
std::set<CPDF_Dictionary*>* visited) {
CPDF_Dictionary* pDict = action.GetDict();
if (pdfium::ContainsKey(*visited, pDict))
return false;
visited->insert(pDict);
ASSERT(pFormFillEnv);
if (action.GetType() == CPDF_Action::JavaScript) {
if (pFormFillEnv->IsJSInitiated()) {
CFX_WideString swJS = action.GetJavaScript();
if (!swJS.IsEmpty()) {
RunDocumentPageJavaScript(pFormFillEnv, type, swJS);
}
}
} else {
DoAction_NoJs(action, pFormFillEnv);
}
if (!IsValidDocView(pFormFillEnv))
return false;
for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) {
CPDF_Action subaction = action.GetSubAction(i);
if (!ExecuteDocumentPageAction(subaction, type, pFormFillEnv, visited))
return false;
}
return true;
}
bool CPDFSDK_ActionHandler::IsValidField(
CPDFSDK_FormFillEnvironment* pFormFillEnv,
CPDF_Dictionary* pFieldDict) {
ASSERT(pFieldDict);
CPDFSDK_InterForm* pInterForm = pFormFillEnv->GetInterForm();
CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm();
return !!pPDFInterForm->GetFieldByDict(pFieldDict);
}
bool CPDFSDK_ActionHandler::ExecuteFieldAction(
const CPDF_Action& action,
CPDF_AAction::AActionType type,
CPDFSDK_FormFillEnvironment* pFormFillEnv,
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);
ASSERT(pFormFillEnv);
if (action.GetType() == CPDF_Action::JavaScript) {
if (pFormFillEnv->IsJSInitiated()) {
CFX_WideString swJS = action.GetJavaScript();
if (!swJS.IsEmpty()) {
RunFieldJavaScript(pFormFillEnv, pFormField, type, data, swJS);
if (!IsValidField(pFormFillEnv, pFormField->GetFieldDict()))
return false;
}
}
} else {
DoAction_NoJs(action, pFormFillEnv);
}
for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) {
CPDF_Action subaction = action.GetSubAction(i);
if (!ExecuteFieldAction(subaction, type, pFormFillEnv, pFormField, data,
visited))
return false;
}
return true;
}
bool CPDFSDK_ActionHandler::ExecuteScreenAction(
const CPDF_Action& action,
CPDF_AAction::AActionType type,
CPDFSDK_FormFillEnvironment* pFormFillEnv,
CPDFSDK_Annot* pScreen,
std::set<CPDF_Dictionary*>* visited) {
CPDF_Dictionary* pDict = action.GetDict();
if (pdfium::ContainsKey(*visited, pDict))
return false;
visited->insert(pDict);
ASSERT(pFormFillEnv);
if (action.GetType() == CPDF_Action::JavaScript) {
if (pFormFillEnv->IsJSInitiated()) {
CFX_WideString swJS = action.GetJavaScript();
if (!swJS.IsEmpty()) {
IJS_Runtime* pRuntime = pFormFillEnv->GetJSRuntime();
IJS_EventContext* pContext = pRuntime->NewEventContext();
CFX_WideString csInfo;
bool bRet = pContext->RunScript(swJS, &csInfo);
pRuntime->ReleaseEventContext(pContext);
if (!bRet) {
// FIXME: return error.
}
}
}
} else {
DoAction_NoJs(action, pFormFillEnv);
}
for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) {
CPDF_Action subaction = action.GetSubAction(i);
if (!ExecuteScreenAction(subaction, type, pFormFillEnv, pScreen, visited))
return false;
}
return true;
}
bool CPDFSDK_ActionHandler::ExecuteBookMark(
const CPDF_Action& action,
CPDFSDK_FormFillEnvironment* pFormFillEnv,
CPDF_Bookmark* pBookmark,
std::set<CPDF_Dictionary*>* visited) {
CPDF_Dictionary* pDict = action.GetDict();
if (pdfium::ContainsKey(*visited, pDict))
return false;
visited->insert(pDict);
ASSERT(pFormFillEnv);
if (action.GetType() == CPDF_Action::JavaScript) {
if (pFormFillEnv->IsJSInitiated()) {
CFX_WideString swJS = action.GetJavaScript();
if (!swJS.IsEmpty()) {
IJS_Runtime* pRuntime = pFormFillEnv->GetJSRuntime();
IJS_EventContext* pContext = pRuntime->NewEventContext();
pContext->OnBookmark_MouseUp(pBookmark);
CFX_WideString csInfo;
bool bRet = pContext->RunScript(swJS, &csInfo);
pRuntime->ReleaseEventContext(pContext);
if (!bRet) {
// FIXME: return error.
}
}
}
} else {
DoAction_NoJs(action, pFormFillEnv);
}
for (int32_t i = 0, sz = action.GetSubActionsCount(); i < sz; i++) {
CPDF_Action subaction = action.GetSubAction(i);
if (!ExecuteBookMark(subaction, pFormFillEnv, pBookmark, visited))
return false;
}
return true;
}
void CPDFSDK_ActionHandler::DoAction_NoJs(
const CPDF_Action& action,
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
ASSERT(pFormFillEnv);
switch (action.GetType()) {
case CPDF_Action::GoTo:
DoAction_GoTo(pFormFillEnv, action);
break;
case CPDF_Action::GoToR:
DoAction_GoToR(pFormFillEnv, action);
break;
case CPDF_Action::GoToE:
break;
case CPDF_Action::Launch:
DoAction_Launch(pFormFillEnv, action);
break;
case CPDF_Action::Thread:
break;
case CPDF_Action::URI:
DoAction_URI(pFormFillEnv, action);
break;
case CPDF_Action::Sound:
break;
case CPDF_Action::Movie:
break;
case CPDF_Action::Hide:
DoAction_Hide(action, pFormFillEnv);
break;
case CPDF_Action::Named:
DoAction_Named(pFormFillEnv, action);
break;
case CPDF_Action::SubmitForm:
DoAction_SubmitForm(action, pFormFillEnv);
break;
case CPDF_Action::ResetForm:
DoAction_ResetForm(action, pFormFillEnv);
break;
case CPDF_Action::ImportData:
DoAction_ImportData(action, pFormFillEnv);
break;
case CPDF_Action::JavaScript:
NOTREACHED();
break;
case CPDF_Action::SetOCGState:
DoAction_SetOCGState(pFormFillEnv, action);
break;
case CPDF_Action::Rendition:
break;
case CPDF_Action::Trans:
break;
case CPDF_Action::GoTo3DView:
break;
default:
break;
}
}
bool CPDFSDK_ActionHandler::IsValidDocView(
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
ASSERT(pFormFillEnv);
return true;
}
void CPDFSDK_ActionHandler::DoAction_GoTo(
CPDFSDK_FormFillEnvironment* pFormFillEnv,
const CPDF_Action& action) {
ASSERT(action.GetDict());
CPDF_Document* pPDFDocument = pFormFillEnv->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());
std::vector<float> posArray;
if (pMyArray) {
for (size_t i = 2; i < pMyArray->GetCount(); i++)
posArray.push_back(pMyArray->GetFloatAt(i));
}
pFormFillEnv->DoGoToAction(nPageIndex, nFitType, posArray.data(),
posArray.size());
}
void CPDFSDK_ActionHandler::DoAction_GoToR(
CPDFSDK_FormFillEnvironment* pFormFillEnv,
const CPDF_Action& action) {}
void CPDFSDK_ActionHandler::DoAction_Launch(
CPDFSDK_FormFillEnvironment* pFormFillEnv,
const CPDF_Action& action) {}
void CPDFSDK_ActionHandler::DoAction_URI(
CPDFSDK_FormFillEnvironment* pFormFillEnv,
const CPDF_Action& action) {
ASSERT(action.GetDict());
CFX_ByteString sURI = action.GetURI(pFormFillEnv->GetPDFDocument());
pFormFillEnv->DoURIAction(sURI.c_str());
}
void CPDFSDK_ActionHandler::DoAction_Named(
CPDFSDK_FormFillEnvironment* pFormFillEnv,
const CPDF_Action& action) {
ASSERT(action.GetDict());
CFX_ByteString csName = action.GetNamedAction();
pFormFillEnv->ExecuteNamedAction(csName.c_str());
}
void CPDFSDK_ActionHandler::DoAction_SetOCGState(
CPDFSDK_FormFillEnvironment* pFormFillEnv,
const CPDF_Action& action) {}
void CPDFSDK_ActionHandler::RunFieldJavaScript(
CPDFSDK_FormFillEnvironment* pFormFillEnv,
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 = pFormFillEnv->GetJSRuntime();
IJS_EventContext* pContext = pRuntime->NewEventContext();
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:
NOTREACHED();
break;
}
CFX_WideString csInfo;
bool bRet = pContext->RunScript(script, &csInfo);
pRuntime->ReleaseEventContext(pContext);
if (!bRet) {
// FIXME: return error.
}
}
void CPDFSDK_ActionHandler::RunDocumentOpenJavaScript(
CPDFSDK_FormFillEnvironment* pFormFillEnv,
const CFX_WideString& sScriptName,
const CFX_WideString& script) {
IJS_Runtime* pRuntime = pFormFillEnv->GetJSRuntime();
IJS_EventContext* pContext = pRuntime->NewEventContext();
pContext->OnDoc_Open(pFormFillEnv, sScriptName);
CFX_WideString csInfo;
bool bRet = pContext->RunScript(script, &csInfo);
pRuntime->ReleaseEventContext(pContext);
if (!bRet) {
// FIXME: return error.
}
}
void CPDFSDK_ActionHandler::RunDocumentPageJavaScript(
CPDFSDK_FormFillEnvironment* pFormFillEnv,
CPDF_AAction::AActionType type,
const CFX_WideString& script) {
IJS_Runtime* pRuntime = pFormFillEnv->GetJSRuntime();
IJS_EventContext* pContext = pRuntime->NewEventContext();
switch (type) {
case CPDF_AAction::OpenPage:
pContext->OnPage_Open(pFormFillEnv);
break;
case CPDF_AAction::ClosePage:
pContext->OnPage_Close(pFormFillEnv);
break;
case CPDF_AAction::CloseDocument:
pContext->OnDoc_WillClose(pFormFillEnv);
break;
case CPDF_AAction::SaveDocument:
pContext->OnDoc_WillSave(pFormFillEnv);
break;
case CPDF_AAction::DocumentSaved:
pContext->OnDoc_DidSave(pFormFillEnv);
break;
case CPDF_AAction::PrintDocument:
pContext->OnDoc_WillPrint(pFormFillEnv);
break;
case CPDF_AAction::DocumentPrinted:
pContext->OnDoc_DidPrint(pFormFillEnv);
break;
case CPDF_AAction::PageVisible:
pContext->OnPage_InView(pFormFillEnv);
break;
case CPDF_AAction::PageInvisible:
pContext->OnPage_OutView(pFormFillEnv);
break;
default:
NOTREACHED();
break;
}
CFX_WideString csInfo;
bool bRet = pContext->RunScript(script, &csInfo);
pRuntime->ReleaseEventContext(pContext);
if (!bRet) {
// FIXME: return error.
}
}
bool CPDFSDK_ActionHandler::DoAction_Hide(
const CPDF_Action& action,
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
CPDFSDK_InterForm* pInterForm = pFormFillEnv->GetInterForm();
if (pInterForm->DoAction_Hide(action)) {
pFormFillEnv->SetChangeMark();
return true;
}
return false;
}
bool CPDFSDK_ActionHandler::DoAction_SubmitForm(
const CPDF_Action& action,
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
CPDFSDK_InterForm* pInterForm = pFormFillEnv->GetInterForm();
return pInterForm->DoAction_SubmitForm(action);
}
bool CPDFSDK_ActionHandler::DoAction_ResetForm(
const CPDF_Action& action,
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
CPDFSDK_InterForm* pInterForm = pFormFillEnv->GetInterForm();
return pInterForm->DoAction_ResetForm(action);
}
bool CPDFSDK_ActionHandler::DoAction_ImportData(
const CPDF_Action& action,
CPDFSDK_FormFillEnvironment* pFormFillEnv) {
CPDFSDK_InterForm* pInterForm = pFormFillEnv->GetInterForm();
if (pInterForm->DoAction_ImportData(action)) {
pFormFillEnv->SetChangeMark();
return true;
}
return false;
}