// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "fpdfsdk/include/fsdk_mgr.h"
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#include <algorithm>
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#include <memory>
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#include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
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#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
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#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
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#include "core/fxcrt/include/cfx_retain_ptr.h"
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#include "fpdfsdk/formfiller/cffl_formfiller.h"
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#include "fpdfsdk/include/fsdk_define.h"
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#include "fpdfsdk/javascript/ijs_runtime.h"
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#include "public/fpdf_ext.h"
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#include "third_party/base/stl_util.h"
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#ifdef PDF_ENABLE_XFA
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#include "fpdfsdk/fpdfxfa/include/fpdfxfa_app.h"
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#include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h"
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#include "fpdfsdk/fpdfxfa/include/fpdfxfa_page.h"
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#include "fpdfsdk/fpdfxfa/include/fpdfxfa_util.h"
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#include "xfa/fxfa/include/xfa_ffdocview.h"
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#include "xfa/fxfa/include/xfa_ffpageview.h"
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#include "xfa/fxfa/include/xfa_ffwidgethandler.h"
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#include "xfa/fxfa/include/xfa_rendercontext.h"
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#include "xfa/fxgraphics/include/cfx_graphics.h"
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#endif // PDF_ENABLE_XFA
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#if _FX_OS_ == _FX_ANDROID_
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#include "time.h"
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#else
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#include <ctime>
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#endif
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namespace {
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// NOTE: |bsUTF16LE| must outlive the use of the result. Care must be taken
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// since modifying the result would impact |bsUTF16LE|.
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FPDF_WIDESTRING AsFPDFWideString(CFX_ByteString* bsUTF16LE) {
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return reinterpret_cast<FPDF_WIDESTRING>(
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bsUTF16LE->GetBuffer(bsUTF16LE->GetLength()));
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}
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} // namespace
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CPDFDoc_Environment::CPDFDoc_Environment(UnderlyingDocumentType* pDoc,
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FPDF_FORMFILLINFO* pFFinfo)
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: m_pInfo(pFFinfo), m_pSDKDoc(nullptr), m_pUnderlyingDoc(pDoc) {
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m_pSysHandler.reset(new CFX_SystemHandler(this));
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}
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CPDFDoc_Environment::~CPDFDoc_Environment() {
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#ifdef PDF_ENABLE_XFA
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CPDFXFA_App* pProvider = CPDFXFA_App::GetInstance();
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if (pProvider->m_pEnvList.GetSize() == 0)
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pProvider->SetJavaScriptInitialized(FALSE);
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#endif // PDF_ENABLE_XFA
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if (m_pInfo && m_pInfo->Release)
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m_pInfo->Release(m_pInfo);
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}
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int CPDFDoc_Environment::JS_appAlert(const FX_WCHAR* Msg,
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const FX_WCHAR* Title,
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FX_UINT Type,
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FX_UINT Icon) {
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if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
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!m_pInfo->m_pJsPlatform->app_alert) {
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return -1;
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}
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CFX_ByteString bsMsg = CFX_WideString(Msg).UTF16LE_Encode();
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CFX_ByteString bsTitle = CFX_WideString(Title).UTF16LE_Encode();
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return m_pInfo->m_pJsPlatform->app_alert(
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m_pInfo->m_pJsPlatform, AsFPDFWideString(&bsMsg),
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AsFPDFWideString(&bsTitle), Type, Icon);
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}
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int CPDFDoc_Environment::JS_appResponse(const FX_WCHAR* Question,
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const FX_WCHAR* Title,
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const FX_WCHAR* Default,
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const FX_WCHAR* cLabel,
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FPDF_BOOL bPassword,
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void* response,
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int length) {
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if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
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!m_pInfo->m_pJsPlatform->app_response) {
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return -1;
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}
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CFX_ByteString bsQuestion = CFX_WideString(Question).UTF16LE_Encode();
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CFX_ByteString bsTitle = CFX_WideString(Title).UTF16LE_Encode();
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CFX_ByteString bsDefault = CFX_WideString(Default).UTF16LE_Encode();
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CFX_ByteString bsLabel = CFX_WideString(cLabel).UTF16LE_Encode();
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return m_pInfo->m_pJsPlatform->app_response(
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m_pInfo->m_pJsPlatform, AsFPDFWideString(&bsQuestion),
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AsFPDFWideString(&bsTitle), AsFPDFWideString(&bsDefault),
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AsFPDFWideString(&bsLabel), bPassword, response, length);
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}
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void CPDFDoc_Environment::JS_appBeep(int nType) {
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if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
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!m_pInfo->m_pJsPlatform->app_beep) {
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return;
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}
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m_pInfo->m_pJsPlatform->app_beep(m_pInfo->m_pJsPlatform, nType);
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}
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CFX_WideString CPDFDoc_Environment::JS_fieldBrowse() {
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if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
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!m_pInfo->m_pJsPlatform->Field_browse) {
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return CFX_WideString();
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}
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const int nRequiredLen =
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m_pInfo->m_pJsPlatform->Field_browse(m_pInfo->m_pJsPlatform, nullptr, 0);
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if (nRequiredLen <= 0)
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return CFX_WideString();
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std::unique_ptr<char[]> pBuff(new char[nRequiredLen]);
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memset(pBuff.get(), 0, nRequiredLen);
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const int nActualLen = m_pInfo->m_pJsPlatform->Field_browse(
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m_pInfo->m_pJsPlatform, pBuff.get(), nRequiredLen);
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if (nActualLen <= 0 || nActualLen > nRequiredLen)
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return CFX_WideString();
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return CFX_WideString::FromLocal(CFX_ByteStringC(pBuff.get(), nActualLen));
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}
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CFX_WideString CPDFDoc_Environment::JS_docGetFilePath() {
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if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
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!m_pInfo->m_pJsPlatform->Doc_getFilePath) {
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return CFX_WideString();
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}
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const int nRequiredLen = m_pInfo->m_pJsPlatform->Doc_getFilePath(
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m_pInfo->m_pJsPlatform, nullptr, 0);
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if (nRequiredLen <= 0)
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return CFX_WideString();
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std::unique_ptr<char[]> pBuff(new char[nRequiredLen]);
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memset(pBuff.get(), 0, nRequiredLen);
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const int nActualLen = m_pInfo->m_pJsPlatform->Doc_getFilePath(
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m_pInfo->m_pJsPlatform, pBuff.get(), nRequiredLen);
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if (nActualLen <= 0 || nActualLen > nRequiredLen)
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return CFX_WideString();
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return CFX_WideString::FromLocal(CFX_ByteStringC(pBuff.get(), nActualLen));
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}
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void CPDFDoc_Environment::JS_docSubmitForm(void* formData,
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int length,
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const FX_WCHAR* URL) {
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if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
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!m_pInfo->m_pJsPlatform->Doc_submitForm) {
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return;
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}
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CFX_ByteString bsDestination = CFX_WideString(URL).UTF16LE_Encode();
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m_pInfo->m_pJsPlatform->Doc_submitForm(m_pInfo->m_pJsPlatform, formData,
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length,
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AsFPDFWideString(&bsDestination));
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}
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void CPDFDoc_Environment::JS_docmailForm(void* mailData,
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int length,
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FPDF_BOOL bUI,
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const FX_WCHAR* To,
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const FX_WCHAR* Subject,
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const FX_WCHAR* CC,
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const FX_WCHAR* BCC,
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const FX_WCHAR* Msg) {
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if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
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!m_pInfo->m_pJsPlatform->Doc_mail) {
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return;
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}
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CFX_ByteString bsTo = CFX_WideString(To).UTF16LE_Encode();
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CFX_ByteString bsSubject = CFX_WideString(Subject).UTF16LE_Encode();
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CFX_ByteString bsCC = CFX_WideString(CC).UTF16LE_Encode();
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CFX_ByteString bsBcc = CFX_WideString(BCC).UTF16LE_Encode();
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CFX_ByteString bsMsg = CFX_WideString(Msg).UTF16LE_Encode();
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m_pInfo->m_pJsPlatform->Doc_mail(
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m_pInfo->m_pJsPlatform, mailData, length, bUI, AsFPDFWideString(&bsTo),
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AsFPDFWideString(&bsSubject), AsFPDFWideString(&bsCC),
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AsFPDFWideString(&bsBcc), AsFPDFWideString(&bsMsg));
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}
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void CPDFDoc_Environment::JS_docprint(FPDF_BOOL bUI,
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int nStart,
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int nEnd,
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FPDF_BOOL bSilent,
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FPDF_BOOL bShrinkToFit,
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FPDF_BOOL bPrintAsImage,
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FPDF_BOOL bReverse,
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FPDF_BOOL bAnnotations) {
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if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
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!m_pInfo->m_pJsPlatform->Doc_print) {
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return;
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}
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m_pInfo->m_pJsPlatform->Doc_print(m_pInfo->m_pJsPlatform, bUI, nStart, nEnd,
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bSilent, bShrinkToFit, bPrintAsImage,
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bReverse, bAnnotations);
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}
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void CPDFDoc_Environment::JS_docgotoPage(int nPageNum) {
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if (!m_pInfo || !m_pInfo->m_pJsPlatform ||
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!m_pInfo->m_pJsPlatform->Doc_gotoPage) {
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return;
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}
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m_pInfo->m_pJsPlatform->Doc_gotoPage(m_pInfo->m_pJsPlatform, nPageNum);
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}
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IJS_Runtime* CPDFDoc_Environment::GetJSRuntime() {
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if (!IsJSInitiated())
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return nullptr;
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if (!m_pJSRuntime)
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m_pJSRuntime.reset(IJS_Runtime::Create(this));
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return m_pJSRuntime.get();
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}
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CPDFSDK_AnnotHandlerMgr* CPDFDoc_Environment::GetAnnotHandlerMgr() {
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if (!m_pAnnotHandlerMgr)
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m_pAnnotHandlerMgr.reset(new CPDFSDK_AnnotHandlerMgr(this));
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return m_pAnnotHandlerMgr.get();
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}
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CPDFSDK_ActionHandler* CPDFDoc_Environment::GetActionHander() {
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if (!m_pActionHandler)
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m_pActionHandler.reset(new CPDFSDK_ActionHandler());
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return m_pActionHandler.get();
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}
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CFFL_IFormFiller* CPDFDoc_Environment::GetIFormFiller() {
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if (!m_pIFormFiller)
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m_pIFormFiller.reset(new CFFL_IFormFiller(this));
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return m_pIFormFiller.get();
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}
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// static
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CPDFSDK_Document* CPDFSDK_Document::FromFPDFFormHandle(
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FPDF_FORMHANDLE hHandle) {
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CPDFDoc_Environment* pEnv = static_cast<CPDFDoc_Environment*>(hHandle);
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return pEnv ? pEnv->GetSDKDocument() : nullptr;
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}
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CPDFSDK_Document::CPDFSDK_Document(UnderlyingDocumentType* pDoc,
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CPDFDoc_Environment* pEnv)
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: m_pDoc(pDoc),
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m_pFocusAnnot(nullptr),
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m_pEnv(pEnv),
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m_bChangeMask(FALSE),
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m_bBeingDestroyed(FALSE) {}
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CPDFSDK_Document::~CPDFSDK_Document() {
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m_bBeingDestroyed = TRUE;
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for (auto& it : m_pageMap)
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it.second->KillFocusAnnotIfNeeded();
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for (auto& it : m_pageMap)
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delete it.second;
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m_pageMap.clear();
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}
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CPDFSDK_PageView* CPDFSDK_Document::GetPageView(
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UnderlyingPageType* pUnderlyingPage,
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FX_BOOL ReNew) {
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auto it = m_pageMap.find(pUnderlyingPage);
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if (it != m_pageMap.end())
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return it->second;
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if (!ReNew)
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return nullptr;
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CPDFSDK_PageView* pPageView = new CPDFSDK_PageView(this, pUnderlyingPage);
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m_pageMap[pUnderlyingPage] = pPageView;
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// Delay to load all the annotations, to avoid endless loop.
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pPageView->LoadFXAnnots();
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return pPageView;
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}
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CPDFSDK_PageView* CPDFSDK_Document::GetCurrentView() {
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UnderlyingPageType* pPage =
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UnderlyingFromFPDFPage(m_pEnv->FFI_GetCurrentPage(m_pDoc));
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return pPage ? GetPageView(pPage, TRUE) : nullptr;
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}
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CPDFSDK_PageView* CPDFSDK_Document::GetPageView(int nIndex) {
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UnderlyingPageType* pTempPage =
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UnderlyingFromFPDFPage(m_pEnv->FFI_GetPage(m_pDoc, nIndex));
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if (!pTempPage)
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return nullptr;
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auto it = m_pageMap.find(pTempPage);
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return it->second;
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}
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void CPDFSDK_Document::ProcJavascriptFun() {
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CPDF_Document* pPDFDoc = GetPDFDocument();
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CPDF_DocJSActions docJS(pPDFDoc);
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int iCount = docJS.CountJSActions();
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if (iCount < 1)
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return;
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for (int i = 0; i < iCount; i++) {
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CFX_ByteString csJSName;
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CPDF_Action jsAction = docJS.GetJSAction(i, csJSName);
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if (m_pEnv->GetActionHander())
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m_pEnv->GetActionHander()->DoAction_JavaScript(
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jsAction, CFX_WideString::FromLocal(csJSName.AsStringC()), this);
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}
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}
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FX_BOOL CPDFSDK_Document::ProcOpenAction() {
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if (!m_pDoc)
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return FALSE;
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CPDF_Dictionary* pRoot = GetPDFDocument()->GetRoot();
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if (!pRoot)
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return FALSE;
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CPDF_Object* pOpenAction = pRoot->GetDictBy("OpenAction");
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if (!pOpenAction)
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pOpenAction = pRoot->GetArrayBy("OpenAction");
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if (!pOpenAction)
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return FALSE;
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if (pOpenAction->IsArray())
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return TRUE;
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if (CPDF_Dictionary* pDict = pOpenAction->AsDictionary()) {
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CPDF_Action action(pDict);
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if (m_pEnv->GetActionHander())
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m_pEnv->GetActionHander()->DoAction_DocOpen(action, this);
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return TRUE;
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}
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return FALSE;
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}
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CPDF_OCContext* CPDFSDK_Document::GetOCContext() {
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if (!m_pOccontent) {
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m_pOccontent.reset(
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new CPDF_OCContext(GetPDFDocument(), CPDF_OCContext::View));
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}
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return m_pOccontent.get();
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}
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void CPDFSDK_Document::RemovePageView(UnderlyingPageType* pUnderlyingPage) {
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auto it = m_pageMap.find(pUnderlyingPage);
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if (it == m_pageMap.end())
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return;
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CPDFSDK_PageView* pPageView = it->second;
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if (pPageView->IsLocked())
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return;
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pPageView->KillFocusAnnotIfNeeded();
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delete pPageView;
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m_pageMap.erase(it);
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}
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UnderlyingPageType* CPDFSDK_Document::GetPage(int nIndex) {
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return UnderlyingFromFPDFPage(m_pEnv->FFI_GetPage(m_pDoc, nIndex));
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}
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CPDFSDK_InterForm* CPDFSDK_Document::GetInterForm() {
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if (!m_pInterForm)
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m_pInterForm.reset(new CPDFSDK_InterForm(this));
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return m_pInterForm.get();
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}
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void CPDFSDK_Document::UpdateAllViews(CPDFSDK_PageView* pSender,
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CPDFSDK_Annot* pAnnot) {
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for (const auto& it : m_pageMap) {
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CPDFSDK_PageView* pPageView = it.second;
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if (pPageView != pSender) {
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pPageView->UpdateView(pAnnot);
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}
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}
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}
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CPDFSDK_Annot* CPDFSDK_Document::GetFocusAnnot() {
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return m_pFocusAnnot;
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}
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FX_BOOL CPDFSDK_Document::SetFocusAnnot(CPDFSDK_Annot* pAnnot, FX_UINT nFlag) {
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if (m_bBeingDestroyed)
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return FALSE;
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if (m_pFocusAnnot == pAnnot)
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return TRUE;
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if (m_pFocusAnnot) {
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if (!KillFocusAnnot(nFlag))
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return FALSE;
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}
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if (!pAnnot)
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return FALSE;
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#ifdef PDF_ENABLE_XFA
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CPDFSDK_Annot* pLastFocusAnnot = m_pFocusAnnot;
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#endif // PDF_ENABLE_XFA
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CPDFSDK_PageView* pPageView = pAnnot->GetPageView();
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if (pPageView && pPageView->IsValid()) {
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CPDFSDK_AnnotHandlerMgr* pAnnotHandler = m_pEnv->GetAnnotHandlerMgr();
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if (!m_pFocusAnnot) {
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#ifdef PDF_ENABLE_XFA
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if (!pAnnotHandler->Annot_OnChangeFocus(pAnnot, pLastFocusAnnot))
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return FALSE;
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#endif // PDF_ENABLE_XFA
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if (!pAnnotHandler->Annot_OnSetFocus(pAnnot, nFlag))
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return FALSE;
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if (!m_pFocusAnnot) {
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m_pFocusAnnot = pAnnot;
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return TRUE;
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}
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}
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}
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return FALSE;
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}
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FX_BOOL CPDFSDK_Document::KillFocusAnnot(FX_UINT nFlag) {
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if (m_pFocusAnnot) {
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CPDFSDK_AnnotHandlerMgr* pAnnotHandler = m_pEnv->GetAnnotHandlerMgr();
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CPDFSDK_Annot* pFocusAnnot = m_pFocusAnnot;
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m_pFocusAnnot = nullptr;
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#ifdef PDF_ENABLE_XFA
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if (!pAnnotHandler->Annot_OnChangeFocus(nullptr, pFocusAnnot))
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return FALSE;
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#endif // PDF_ENABLE_XFA
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if (pAnnotHandler->Annot_OnKillFocus(pFocusAnnot, nFlag)) {
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if (pFocusAnnot->GetType() == "Widget") {
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CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pFocusAnnot;
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int nFieldType = pWidget->GetFieldType();
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if (FIELDTYPE_TEXTFIELD == nFieldType ||
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FIELDTYPE_COMBOBOX == nFieldType) {
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m_pEnv->FFI_OnSetFieldInputFocus(nullptr, nullptr, 0, FALSE);
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}
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}
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if (!m_pFocusAnnot)
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return TRUE;
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} else {
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m_pFocusAnnot = pFocusAnnot;
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}
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}
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return FALSE;
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}
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void CPDFSDK_Document::OnCloseDocument() {
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KillFocusAnnot();
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}
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FX_BOOL CPDFSDK_Document::GetPermissions(int nFlag) {
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return GetPDFDocument()->GetUserPermissions() & nFlag;
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}
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IJS_Runtime* CPDFSDK_Document::GetJsRuntime() {
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return m_pEnv->GetJSRuntime();
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}
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CFX_WideString CPDFSDK_Document::GetPath() {
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return m_pEnv->JS_docGetFilePath();
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}
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CPDFSDK_PageView::CPDFSDK_PageView(CPDFSDK_Document* pSDKDoc,
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UnderlyingPageType* page)
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: m_page(page),
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m_pSDKDoc(pSDKDoc),
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m_CaptureWidget(nullptr),
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#ifndef PDF_ENABLE_XFA
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m_bTakeOverPage(FALSE),
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#endif // PDF_ENABLE_XFA
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m_bEnterWidget(FALSE),
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m_bExitWidget(FALSE),
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m_bOnWidget(FALSE),
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m_bValid(FALSE),
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m_bLocked(FALSE) {
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CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm();
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if (pInterForm) {
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CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm();
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#ifdef PDF_ENABLE_XFA
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if (page->GetPDFPage())
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pPDFInterForm->FixPageFields(page->GetPDFPage());
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#else // PDF_ENABLE_XFA
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pPDFInterForm->FixPageFields(page);
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#endif // PDF_ENABLE_XFA
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}
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#ifndef PDF_ENABLE_XFA
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m_page->SetView(this);
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#endif // PDF_ENABLE_XFA
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}
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CPDFSDK_PageView::~CPDFSDK_PageView() {
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CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
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CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
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for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray)
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pAnnotHandlerMgr->ReleaseAnnot(pAnnot);
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m_fxAnnotArray.clear();
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m_pAnnotList.reset();
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#ifndef PDF_ENABLE_XFA
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m_page->SetView(nullptr);
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if (m_bTakeOverPage) {
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delete m_page;
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}
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#endif // PDF_ENABLE_XFA
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}
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void CPDFSDK_PageView::PageView_OnDraw(CFX_RenderDevice* pDevice,
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CFX_Matrix* pUser2Device,
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#ifdef PDF_ENABLE_XFA
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CPDF_RenderOptions* pOptions,
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const FX_RECT& pClip) {
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#else
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CPDF_RenderOptions* pOptions) {
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#endif // PDF_ENABLE_XFA
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m_curMatrix = *pUser2Device;
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CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
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#ifdef PDF_ENABLE_XFA
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CPDFXFA_Page* pPage = GetPDFXFAPage();
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if (!pPage)
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return;
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if (pPage->GetDocument()->GetDocType() == DOCTYPE_DYNAMIC_XFA) {
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CFX_Graphics gs;
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gs.Create(pDevice);
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CFX_RectF rectClip;
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rectClip.Set(static_cast<FX_FLOAT>(pClip.left),
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static_cast<FX_FLOAT>(pClip.top),
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static_cast<FX_FLOAT>(pClip.Width()),
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static_cast<FX_FLOAT>(pClip.Height()));
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gs.SetClipRect(rectClip);
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std::unique_ptr<CXFA_RenderContext> pRenderContext(new CXFA_RenderContext);
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CXFA_RenderOptions renderOptions;
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renderOptions.m_bHighlight = TRUE;
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CXFA_FFPageView* xfaView = pPage->GetXFAPageView();
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pRenderContext->StartRender(xfaView, &gs, *pUser2Device, renderOptions);
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pRenderContext->DoRender();
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pRenderContext->StopRender();
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CXFA_FFDocView* docView = xfaView->GetDocView();
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if (!docView)
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return;
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CPDFSDK_Annot* annot = GetFocusAnnot();
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if (!annot)
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return;
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// Render the focus widget
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docView->GetWidgetHandler()->RenderWidget(annot->GetXFAWidget(), &gs,
|
pUser2Device, FALSE);
|
return;
|
}
|
#endif // PDF_ENABLE_XFA
|
|
// for pdf/static xfa.
|
CPDFSDK_AnnotIterator annotIterator(this, true);
|
while (CPDFSDK_Annot* pSDKAnnot = annotIterator.Next()) {
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
|
pAnnotHandlerMgr->Annot_OnDraw(this, pSDKAnnot, pDevice, pUser2Device, 0);
|
}
|
}
|
|
const CPDF_Annot* CPDFSDK_PageView::GetPDFAnnotAtPoint(FX_FLOAT pageX,
|
FX_FLOAT pageY) {
|
for (const auto& pAnnot : m_pAnnotList->All()) {
|
CFX_FloatRect annotRect;
|
pAnnot->GetRect(annotRect);
|
if (annotRect.Contains(pageX, pageY))
|
return pAnnot.get();
|
}
|
return nullptr;
|
}
|
|
const CPDF_Annot* CPDFSDK_PageView::GetPDFWidgetAtPoint(FX_FLOAT pageX,
|
FX_FLOAT pageY) {
|
for (const auto& pAnnot : m_pAnnotList->All()) {
|
if (pAnnot->GetSubType() == "Widget") {
|
CFX_FloatRect annotRect;
|
pAnnot->GetRect(annotRect);
|
if (annotRect.Contains(pageX, pageY))
|
return pAnnot.get();
|
}
|
}
|
return nullptr;
|
}
|
|
CPDFSDK_Annot* CPDFSDK_PageView::GetFXAnnotAtPoint(FX_FLOAT pageX,
|
FX_FLOAT pageY) {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
CPDFSDK_AnnotHandlerMgr* pAnnotMgr = pEnv->GetAnnotHandlerMgr();
|
CPDFSDK_AnnotIterator annotIterator(this, false);
|
while (CPDFSDK_Annot* pSDKAnnot = annotIterator.Next()) {
|
CFX_FloatRect rc = pAnnotMgr->Annot_OnGetViewBBox(this, pSDKAnnot);
|
if (rc.Contains(pageX, pageY))
|
return pSDKAnnot;
|
}
|
|
return nullptr;
|
}
|
|
CPDFSDK_Annot* CPDFSDK_PageView::GetFXWidgetAtPoint(FX_FLOAT pageX,
|
FX_FLOAT pageY) {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
CPDFSDK_AnnotHandlerMgr* pAnnotMgr = pEnv->GetAnnotHandlerMgr();
|
CPDFSDK_AnnotIterator annotIterator(this, false);
|
while (CPDFSDK_Annot* pSDKAnnot = annotIterator.Next()) {
|
bool bHitTest = pSDKAnnot->GetType() == "Widget";
|
#ifdef PDF_ENABLE_XFA
|
bHitTest = bHitTest || pSDKAnnot->GetType() == FSDK_XFAWIDGET_TYPENAME;
|
#endif // PDF_ENABLE_XFA
|
if (bHitTest) {
|
pAnnotMgr->Annot_OnGetViewBBox(this, pSDKAnnot);
|
CFX_FloatPoint point(pageX, pageY);
|
if (pAnnotMgr->Annot_OnHitTest(this, pSDKAnnot, point))
|
return pSDKAnnot;
|
}
|
}
|
|
return nullptr;
|
}
|
|
void CPDFSDK_PageView::KillFocusAnnotIfNeeded() {
|
// if there is a focused annot on the page, we should kill the focus first.
|
if (CPDFSDK_Annot* focusedAnnot = m_pSDKDoc->GetFocusAnnot()) {
|
if (pdfium::ContainsValue(m_fxAnnotArray, focusedAnnot))
|
KillFocusAnnot();
|
}
|
}
|
|
FX_BOOL CPDFSDK_PageView::Annot_HasAppearance(CPDF_Annot* pAnnot) {
|
CPDF_Dictionary* pAnnotDic = pAnnot->GetAnnotDict();
|
if (pAnnotDic)
|
return pAnnotDic->KeyExist("AS");
|
return FALSE;
|
}
|
|
CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CPDF_Annot* pPDFAnnot) {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
ASSERT(pEnv);
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr();
|
CPDFSDK_Annot* pSDKAnnot = pAnnotHandler->NewAnnot(pPDFAnnot, this);
|
if (!pSDKAnnot)
|
return nullptr;
|
|
m_fxAnnotArray.push_back(pSDKAnnot);
|
pAnnotHandler->Annot_OnCreate(pSDKAnnot);
|
return pSDKAnnot;
|
}
|
|
#ifdef PDF_ENABLE_XFA
|
CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CXFA_FFWidget* pPDFAnnot) {
|
if (!pPDFAnnot)
|
return nullptr;
|
|
CPDFSDK_Annot* pSDKAnnot = GetAnnotByXFAWidget(pPDFAnnot);
|
if (pSDKAnnot)
|
return pSDKAnnot;
|
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr();
|
pSDKAnnot = pAnnotHandler->NewAnnot(pPDFAnnot, this);
|
if (!pSDKAnnot)
|
return nullptr;
|
|
m_fxAnnotArray.push_back(pSDKAnnot);
|
return pSDKAnnot;
|
}
|
#endif // PDF_ENABLE_XFA
|
|
CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CPDF_Dictionary* pDict) {
|
return pDict ? AddAnnot(pDict->GetStringBy("Subtype").c_str(), pDict)
|
: nullptr;
|
}
|
|
CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(const FX_CHAR* lpSubType,
|
CPDF_Dictionary* pDict) {
|
return nullptr;
|
}
|
|
FX_BOOL CPDFSDK_PageView::DeleteAnnot(CPDFSDK_Annot* pAnnot) {
|
#ifdef PDF_ENABLE_XFA
|
if (!pAnnot)
|
return FALSE;
|
CPDFXFA_Page* pPage = pAnnot->GetPDFXFAPage();
|
if (!pPage || (pPage->GetDocument()->GetDocType() != DOCTYPE_STATIC_XFA &&
|
pPage->GetDocument()->GetDocType() != DOCTYPE_DYNAMIC_XFA))
|
return FALSE;
|
|
if (GetFocusAnnot() == pAnnot)
|
KillFocusAnnot();
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr();
|
if (pAnnotHandler)
|
pAnnotHandler->ReleaseAnnot(pAnnot);
|
|
auto it = std::find(m_fxAnnotArray.begin(), m_fxAnnotArray.end(), pAnnot);
|
if (it != m_fxAnnotArray.end())
|
m_fxAnnotArray.erase(it);
|
if (m_CaptureWidget == pAnnot)
|
m_CaptureWidget = nullptr;
|
|
return TRUE;
|
#else // PDF_ENABLE_XFA
|
return FALSE;
|
#endif // PDF_ENABLE_XFA
|
}
|
|
CPDF_Document* CPDFSDK_PageView::GetPDFDocument() {
|
if (m_page) {
|
#ifdef PDF_ENABLE_XFA
|
return m_page->GetDocument()->GetPDFDoc();
|
#else // PDF_ENABLE_XFA
|
return m_page->m_pDocument;
|
#endif // PDF_ENABLE_XFA
|
}
|
return nullptr;
|
}
|
|
#ifdef PDF_ENABLE_XFA
|
CPDF_Page* CPDFSDK_PageView::GetPDFPage() {
|
if (m_page) {
|
return m_page->GetPDFPage();
|
}
|
return nullptr;
|
}
|
#endif // PDF_ENABLE_XFA
|
|
size_t CPDFSDK_PageView::CountAnnots() const {
|
return m_fxAnnotArray.size();
|
}
|
|
CPDFSDK_Annot* CPDFSDK_PageView::GetAnnot(size_t nIndex) {
|
return nIndex < m_fxAnnotArray.size() ? m_fxAnnotArray[nIndex] : nullptr;
|
}
|
|
CPDFSDK_Annot* CPDFSDK_PageView::GetAnnotByDict(CPDF_Dictionary* pDict) {
|
for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) {
|
if (pAnnot->GetPDFAnnot()->GetAnnotDict() == pDict)
|
return pAnnot;
|
}
|
return nullptr;
|
}
|
|
#ifdef PDF_ENABLE_XFA
|
CPDFSDK_Annot* CPDFSDK_PageView::GetAnnotByXFAWidget(CXFA_FFWidget* hWidget) {
|
if (!hWidget)
|
return nullptr;
|
|
for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) {
|
if (pAnnot->GetXFAWidget() == hWidget)
|
return pAnnot;
|
}
|
return nullptr;
|
}
|
#endif // PDF_ENABLE_XFA
|
|
FX_BOOL CPDFSDK_PageView::OnLButtonDown(const CFX_FloatPoint& point,
|
FX_UINT nFlag) {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
ASSERT(pEnv);
|
CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y);
|
if (!pFXAnnot) {
|
KillFocusAnnot(nFlag);
|
return FALSE;
|
}
|
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
|
FX_BOOL bRet =
|
pAnnotHandlerMgr->Annot_OnLButtonDown(this, pFXAnnot, nFlag, point);
|
if (bRet)
|
SetFocusAnnot(pFXAnnot);
|
return bRet;
|
}
|
|
#ifdef PDF_ENABLE_XFA
|
FX_BOOL CPDFSDK_PageView::OnRButtonDown(const CFX_FloatPoint& point,
|
FX_UINT nFlag) {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
ASSERT(pEnv);
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
|
ASSERT(pAnnotHandlerMgr);
|
|
CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y);
|
|
if (!pFXAnnot)
|
return FALSE;
|
|
FX_BOOL bRet =
|
pAnnotHandlerMgr->Annot_OnRButtonDown(this, pFXAnnot, nFlag, point);
|
if (bRet) {
|
SetFocusAnnot(pFXAnnot);
|
}
|
return TRUE;
|
}
|
|
FX_BOOL CPDFSDK_PageView::OnRButtonUp(const CFX_FloatPoint& point,
|
FX_UINT nFlag) {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
ASSERT(pEnv);
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
|
|
CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y);
|
|
if (!pFXAnnot)
|
return FALSE;
|
|
FX_BOOL bRet =
|
pAnnotHandlerMgr->Annot_OnRButtonUp(this, pFXAnnot, nFlag, point);
|
if (bRet) {
|
SetFocusAnnot(pFXAnnot);
|
}
|
return TRUE;
|
}
|
#endif // PDF_ENABLE_XFA
|
|
FX_BOOL CPDFSDK_PageView::OnLButtonUp(const CFX_FloatPoint& point,
|
FX_UINT nFlag) {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
ASSERT(pEnv);
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
|
CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y);
|
CPDFSDK_Annot* pFocusAnnot = GetFocusAnnot();
|
FX_BOOL bRet = FALSE;
|
if (pFocusAnnot && pFocusAnnot != pFXAnnot) {
|
// Last focus Annot gets a chance to handle the event.
|
bRet = pAnnotHandlerMgr->Annot_OnLButtonUp(this, pFocusAnnot, nFlag, point);
|
}
|
if (pFXAnnot && !bRet)
|
bRet = pAnnotHandlerMgr->Annot_OnLButtonUp(this, pFXAnnot, nFlag, point);
|
return bRet;
|
}
|
|
FX_BOOL CPDFSDK_PageView::OnMouseMove(const CFX_FloatPoint& point, int nFlag) {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
|
if (CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y)) {
|
if (m_CaptureWidget && m_CaptureWidget != pFXAnnot) {
|
m_bExitWidget = TRUE;
|
m_bEnterWidget = FALSE;
|
pAnnotHandlerMgr->Annot_OnMouseExit(this, m_CaptureWidget, nFlag);
|
}
|
m_CaptureWidget = (CPDFSDK_Widget*)pFXAnnot;
|
m_bOnWidget = TRUE;
|
if (!m_bEnterWidget) {
|
m_bEnterWidget = TRUE;
|
m_bExitWidget = FALSE;
|
pAnnotHandlerMgr->Annot_OnMouseEnter(this, pFXAnnot, nFlag);
|
}
|
pAnnotHandlerMgr->Annot_OnMouseMove(this, pFXAnnot, nFlag, point);
|
return TRUE;
|
}
|
if (m_bOnWidget) {
|
m_bOnWidget = FALSE;
|
m_bExitWidget = TRUE;
|
m_bEnterWidget = FALSE;
|
if (m_CaptureWidget) {
|
pAnnotHandlerMgr->Annot_OnMouseExit(this, m_CaptureWidget, nFlag);
|
m_CaptureWidget = nullptr;
|
}
|
}
|
return FALSE;
|
}
|
|
FX_BOOL CPDFSDK_PageView::OnMouseWheel(double deltaX,
|
double deltaY,
|
const CFX_FloatPoint& point,
|
int nFlag) {
|
if (CPDFSDK_Annot* pAnnot = GetFXWidgetAtPoint(point.x, point.y)) {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
|
return pAnnotHandlerMgr->Annot_OnMouseWheel(this, pAnnot, nFlag,
|
(int)deltaY, point);
|
}
|
return FALSE;
|
}
|
|
FX_BOOL CPDFSDK_PageView::OnChar(int nChar, FX_UINT nFlag) {
|
if (CPDFSDK_Annot* pAnnot = GetFocusAnnot()) {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
|
return pAnnotHandlerMgr->Annot_OnChar(pAnnot, nChar, nFlag);
|
}
|
|
return FALSE;
|
}
|
|
FX_BOOL CPDFSDK_PageView::OnKeyDown(int nKeyCode, int nFlag) {
|
if (CPDFSDK_Annot* pAnnot = GetFocusAnnot()) {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
|
return pAnnotHandlerMgr->Annot_OnKeyDown(pAnnot, nKeyCode, nFlag);
|
}
|
return FALSE;
|
}
|
|
FX_BOOL CPDFSDK_PageView::OnKeyUp(int nKeyCode, int nFlag) {
|
return FALSE;
|
}
|
|
void CPDFSDK_PageView::LoadFXAnnots() {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
#ifdef PDF_ENABLE_XFA
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
|
#else
|
FX_BOOL bUpdateAP = CPDF_InterForm::IsUpdateAPEnabled();
|
// Disable the default AP construction.
|
CPDF_InterForm::SetUpdateAP(FALSE);
|
m_pAnnotList.reset(new CPDF_AnnotList(m_page));
|
CPDF_InterForm::SetUpdateAP(bUpdateAP);
|
const size_t nCount = m_pAnnotList->Count();
|
#endif // PDF_ENABLE_XFA
|
|
SetLock(TRUE);
|
|
#ifdef PDF_ENABLE_XFA
|
CFX_RetainPtr<CPDFXFA_Page> protector(m_page);
|
if (m_pSDKDoc->GetXFADocument()->GetDocType() == DOCTYPE_DYNAMIC_XFA) {
|
CXFA_FFPageView* pageView = m_page->GetXFAPageView();
|
std::unique_ptr<IXFA_WidgetIterator> pWidgetHander(
|
pageView->CreateWidgetIterator(
|
XFA_TRAVERSEWAY_Form,
|
XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable));
|
if (!pWidgetHander) {
|
SetLock(FALSE);
|
return;
|
}
|
|
while (CXFA_FFWidget* pXFAAnnot = pWidgetHander->MoveToNext()) {
|
CPDFSDK_Annot* pAnnot = pAnnotHandlerMgr->NewAnnot(pXFAAnnot, this);
|
if (!pAnnot)
|
continue;
|
m_fxAnnotArray.push_back(pAnnot);
|
pAnnotHandlerMgr->Annot_OnLoad(pAnnot);
|
}
|
} else {
|
CPDF_Page* pPage = m_page->GetPDFPage();
|
ASSERT(pPage);
|
FX_BOOL bUpdateAP = CPDF_InterForm::IsUpdateAPEnabled();
|
// Disable the default AP construction.
|
CPDF_InterForm::SetUpdateAP(FALSE);
|
m_pAnnotList.reset(new CPDF_AnnotList(pPage));
|
CPDF_InterForm::SetUpdateAP(bUpdateAP);
|
|
const size_t nCount = m_pAnnotList->Count();
|
for (size_t i = 0; i < nCount; ++i) {
|
CPDF_Annot* pPDFAnnot = m_pAnnotList->GetAt(i);
|
CheckUnSupportAnnot(GetPDFDocument(), pPDFAnnot);
|
|
CPDFSDK_Annot* pAnnot = pAnnotHandlerMgr->NewAnnot(pPDFAnnot, this);
|
if (!pAnnot)
|
continue;
|
m_fxAnnotArray.push_back(pAnnot);
|
pAnnotHandlerMgr->Annot_OnLoad(pAnnot);
|
}
|
}
|
#else // PDF_ENABLE_XFA
|
for (size_t i = 0; i < nCount; ++i) {
|
CPDF_Annot* pPDFAnnot = m_pAnnotList->GetAt(i);
|
CPDF_Document* pDoc = GetPDFDocument();
|
CheckUnSupportAnnot(pDoc, pPDFAnnot);
|
CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr();
|
CPDFSDK_Annot* pAnnot = pAnnotHandlerMgr->NewAnnot(pPDFAnnot, this);
|
if (!pAnnot)
|
continue;
|
m_fxAnnotArray.push_back(pAnnot);
|
pAnnotHandlerMgr->Annot_OnLoad(pAnnot);
|
}
|
#endif // PDF_ENABLE_XFA
|
|
SetLock(FALSE);
|
}
|
|
void CPDFSDK_PageView::ClearFXAnnots() {
|
SetLock(TRUE);
|
if (m_pSDKDoc && GetFocusAnnot())
|
m_pSDKDoc->SetFocusAnnot(nullptr);
|
m_CaptureWidget = nullptr;
|
for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray)
|
m_pSDKDoc->GetEnv()->GetAnnotHandlerMgr()->ReleaseAnnot(pAnnot);
|
m_fxAnnotArray.clear();
|
m_pAnnotList.reset();
|
SetLock(FALSE);
|
}
|
|
void CPDFSDK_PageView::UpdateRects(const std::vector<CFX_FloatRect>& rects) {
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
for (const auto& rc : rects)
|
pEnv->FFI_Invalidate(m_page, rc.left, rc.top, rc.right, rc.bottom);
|
}
|
|
void CPDFSDK_PageView::UpdateView(CPDFSDK_Annot* pAnnot) {
|
CFX_FloatRect rcWindow = pAnnot->GetRect();
|
CPDFDoc_Environment* pEnv = m_pSDKDoc->GetEnv();
|
pEnv->FFI_Invalidate(m_page, rcWindow.left, rcWindow.top, rcWindow.right,
|
rcWindow.bottom);
|
}
|
|
int CPDFSDK_PageView::GetPageIndex() const {
|
if (!m_page)
|
return -1;
|
|
#ifdef PDF_ENABLE_XFA
|
int nDocType = m_page->GetDocument()->GetDocType();
|
switch (nDocType) {
|
case DOCTYPE_DYNAMIC_XFA: {
|
CXFA_FFPageView* pPageView = m_page->GetXFAPageView();
|
return pPageView ? pPageView->GetPageIndex() : -1;
|
}
|
case DOCTYPE_STATIC_XFA:
|
case DOCTYPE_PDF:
|
return GetPageIndexForStaticPDF();
|
default:
|
return -1;
|
}
|
#else // PDF_ENABLE_XFA
|
return GetPageIndexForStaticPDF();
|
#endif // PDF_ENABLE_XFA
|
}
|
|
bool CPDFSDK_PageView::IsValidAnnot(const CPDF_Annot* p) const {
|
if (!p)
|
return false;
|
|
const auto& annots = m_pAnnotList->All();
|
std::unique_ptr<const CPDF_Annot> annot(p);
|
return pdfium::ContainsValue(annots, annot);
|
}
|
|
CPDFSDK_Annot* CPDFSDK_PageView::GetFocusAnnot() {
|
CPDFSDK_Annot* pFocusAnnot = m_pSDKDoc->GetFocusAnnot();
|
if (!pFocusAnnot)
|
return nullptr;
|
|
for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) {
|
if (pAnnot == pFocusAnnot)
|
return pAnnot;
|
}
|
return nullptr;
|
}
|
|
int CPDFSDK_PageView::GetPageIndexForStaticPDF() const {
|
#ifdef PDF_ENABLE_XFA
|
CPDF_Page* pPage = m_page->GetPDFPage();
|
#else // PDF_ENABLE_XFA
|
CPDF_Page* pPage = m_page;
|
#endif // PDF_ENABLE_XFA
|
CPDF_Dictionary* pDict = pPage->m_pFormDict;
|
CPDF_Document* pDoc = m_pSDKDoc->GetPDFDocument();
|
return (pDoc && pDict) ? pDoc->GetPageIndex(pDict->GetObjNum()) : -1;
|
}
|
