// 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 "xfa/fxfa/app/xfa_ffnotify.h"
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#include "fxjs/include/cfxjse_value.h"
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#include "xfa/fxfa/app/xfa_ffbarcode.h"
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#include "xfa/fxfa/app/xfa_ffcheckbutton.h"
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#include "xfa/fxfa/app/xfa_ffchoicelist.h"
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#include "xfa/fxfa/app/xfa_ffdraw.h"
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#include "xfa/fxfa/app/xfa_ffexclgroup.h"
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#include "xfa/fxfa/app/xfa_fffield.h"
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#include "xfa/fxfa/app/xfa_ffimage.h"
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#include "xfa/fxfa/app/xfa_ffimageedit.h"
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#include "xfa/fxfa/app/xfa_ffpath.h"
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#include "xfa/fxfa/app/xfa_ffpushbutton.h"
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#include "xfa/fxfa/app/xfa_ffsignature.h"
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#include "xfa/fxfa/app/xfa_ffsubform.h"
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#include "xfa/fxfa/app/xfa_fftext.h"
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#include "xfa/fxfa/app/xfa_fftextedit.h"
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#include "xfa/fxfa/app/xfa_ffwidgetacc.h"
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#include "xfa/fxfa/app/xfa_fwladapter.h"
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#include "xfa/fxfa/app/xfa_textlayout.h"
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#include "xfa/fxfa/include/xfa_ffapp.h"
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#include "xfa/fxfa/include/xfa_ffdoc.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_ffwidget.h"
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#include "xfa/fxfa/include/xfa_ffwidgethandler.h"
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static void XFA_FFDeleteWidgetAcc(void* pData) {
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delete static_cast<CXFA_WidgetAcc*>(pData);
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}
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static XFA_MAPDATABLOCKCALLBACKINFO gs_XFADeleteWidgetAcc = {
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XFA_FFDeleteWidgetAcc, nullptr};
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CXFA_FFNotify::CXFA_FFNotify(CXFA_FFDoc* pDoc) : m_pDoc(pDoc) {}
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CXFA_FFNotify::~CXFA_FFNotify() {}
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void CXFA_FFNotify::OnPageEvent(CXFA_ContainerLayoutItem* pSender,
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uint32_t dwEvent) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView(pSender->GetLayout());
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if (pDocView)
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pDocView->OnPageEvent(pSender, dwEvent);
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}
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void CXFA_FFNotify::OnWidgetListItemAdded(CXFA_WidgetData* pSender,
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const FX_WCHAR* pLabel,
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const FX_WCHAR* pValue,
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int32_t iIndex) {
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CXFA_WidgetAcc* pWidgetAcc = static_cast<CXFA_WidgetAcc*>(pSender);
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if (pWidgetAcc->GetUIType() != XFA_Element::ChoiceList)
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return;
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CXFA_FFWidget* pWidget = nullptr;
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while ((pWidget = pWidgetAcc->GetNextWidget(pWidget)) != nullptr) {
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if (pWidget->IsLoaded()) {
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if (pWidgetAcc->IsListBox()) {
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static_cast<CXFA_FFListBox*>(pWidget)->InsertItem(pLabel, iIndex);
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} else {
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static_cast<CXFA_FFComboBox*>(pWidget)->InsertItem(pLabel, iIndex);
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}
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}
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}
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}
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void CXFA_FFNotify::OnWidgetListItemRemoved(CXFA_WidgetData* pSender,
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int32_t iIndex) {
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CXFA_WidgetAcc* pWidgetAcc = static_cast<CXFA_WidgetAcc*>(pSender);
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if (pWidgetAcc->GetUIType() != XFA_Element::ChoiceList)
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return;
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CXFA_FFWidget* pWidget = nullptr;
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while ((pWidget = pWidgetAcc->GetNextWidget(pWidget)) != nullptr) {
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if (pWidget->IsLoaded()) {
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if (pWidgetAcc->IsListBox()) {
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static_cast<CXFA_FFListBox*>(pWidget)->DeleteItem(iIndex);
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} else {
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static_cast<CXFA_FFComboBox*>(pWidget)->DeleteItem(iIndex);
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}
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}
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}
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}
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CXFA_LayoutItem* CXFA_FFNotify::OnCreateLayoutItem(CXFA_Node* pNode) {
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CXFA_LayoutProcessor* pLayout = m_pDoc->GetXFADoc()->GetDocLayout();
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView(pLayout);
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XFA_Element eType = pNode->GetElementType();
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if (eType == XFA_Element::PageArea)
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return new CXFA_FFPageView(pDocView, pNode);
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if (eType == XFA_Element::ContentArea)
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return new CXFA_ContainerLayoutItem(pNode);
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CXFA_WidgetAcc* pAcc = static_cast<CXFA_WidgetAcc*>(pNode->GetWidgetData());
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if (!pAcc)
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return new CXFA_ContentLayoutItem(pNode);
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CXFA_FFWidget* pWidget;
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switch (pAcc->GetUIType()) {
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case XFA_Element::Barcode:
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pWidget = new CXFA_FFBarcode(nullptr, pAcc);
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break;
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case XFA_Element::Button:
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pWidget = new CXFA_FFPushButton(nullptr, pAcc);
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break;
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case XFA_Element::CheckButton:
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pWidget = new CXFA_FFCheckButton(nullptr, pAcc);
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break;
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case XFA_Element::ChoiceList: {
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if (pAcc->IsListBox()) {
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pWidget = new CXFA_FFListBox(nullptr, pAcc);
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} else {
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pWidget = new CXFA_FFComboBox(nullptr, pAcc);
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}
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} break;
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case XFA_Element::DateTimeEdit:
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pWidget = new CXFA_FFDateTimeEdit(nullptr, pAcc);
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break;
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case XFA_Element::ImageEdit:
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pWidget = new CXFA_FFImageEdit(nullptr, pAcc);
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break;
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case XFA_Element::NumericEdit:
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pWidget = new CXFA_FFNumericEdit(nullptr, pAcc);
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break;
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case XFA_Element::PasswordEdit:
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pWidget = new CXFA_FFPasswordEdit(nullptr, pAcc);
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break;
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case XFA_Element::Signature:
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pWidget = new CXFA_FFSignature(nullptr, pAcc);
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break;
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case XFA_Element::TextEdit:
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pWidget = new CXFA_FFTextEdit(nullptr, pAcc);
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break;
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case XFA_Element::Arc:
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pWidget = new CXFA_FFArc(nullptr, pAcc);
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break;
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case XFA_Element::Line:
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pWidget = new CXFA_FFLine(nullptr, pAcc);
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break;
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case XFA_Element::Rectangle:
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pWidget = new CXFA_FFRectangle(nullptr, pAcc);
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break;
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case XFA_Element::Text:
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pWidget = new CXFA_FFText(nullptr, pAcc);
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break;
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case XFA_Element::Image:
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pWidget = new CXFA_FFImage(nullptr, pAcc);
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break;
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case XFA_Element::Draw:
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pWidget = new CXFA_FFDraw(nullptr, pAcc);
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break;
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case XFA_Element::Subform:
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pWidget = new CXFA_FFSubForm(nullptr, pAcc);
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break;
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case XFA_Element::ExclGroup:
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pWidget = new CXFA_FFExclGroup(nullptr, pAcc);
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break;
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case XFA_Element::DefaultUi:
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default:
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pWidget = nullptr;
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break;
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}
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if (pWidget)
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pWidget->SetDocView(pDocView);
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return pWidget;
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}
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void CXFA_FFNotify::StartFieldDrawLayout(CXFA_Node* pItem,
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FX_FLOAT& fCalcWidth,
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FX_FLOAT& fCalcHeight) {
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CXFA_WidgetAcc* pAcc = static_cast<CXFA_WidgetAcc*>(pItem->GetWidgetData());
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if (!pAcc) {
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return;
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}
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pAcc->StartWidgetLayout(fCalcWidth, fCalcHeight);
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}
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FX_BOOL CXFA_FFNotify::FindSplitPos(CXFA_Node* pItem,
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int32_t iBlockIndex,
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FX_FLOAT& fCalcHeightPos) {
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CXFA_WidgetAcc* pAcc = static_cast<CXFA_WidgetAcc*>(pItem->GetWidgetData());
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if (!pAcc) {
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return FALSE;
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}
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return (XFA_LAYOUTRESULT)pAcc->FindSplitPos(iBlockIndex, fCalcHeightPos);
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}
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FX_BOOL CXFA_FFNotify::RunScript(CXFA_Node* pScript, CXFA_Node* pFormItem) {
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FX_BOOL bRet = FALSE;
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView) {
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return bRet;
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}
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CXFA_WidgetAcc* pWidgetAcc =
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static_cast<CXFA_WidgetAcc*>(pFormItem->GetWidgetData());
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if (!pWidgetAcc) {
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return bRet;
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}
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CXFA_EventParam EventParam;
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EventParam.m_eType = XFA_EVENT_Unknown;
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CFXJSE_Value* pRetValue = nullptr;
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int32_t iRet =
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pWidgetAcc->ExecuteScript(CXFA_Script(pScript), &EventParam, &pRetValue);
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if (iRet == XFA_EVENTERROR_Success && pRetValue) {
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bRet = pRetValue->ToBoolean();
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delete pRetValue;
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}
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return bRet;
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}
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int32_t CXFA_FFNotify::ExecEventByDeepFirst(CXFA_Node* pFormNode,
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XFA_EVENTTYPE eEventType,
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FX_BOOL bIsFormReady,
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FX_BOOL bRecursive,
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CXFA_WidgetAcc* pExclude) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView) {
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return XFA_EVENTERROR_NotExist;
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}
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return pDocView->ExecEventActivityByDeepFirst(
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pFormNode, eEventType, bIsFormReady, bRecursive,
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pExclude ? pExclude->GetNode() : nullptr);
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}
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void CXFA_FFNotify::AddCalcValidate(CXFA_Node* pNode) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView) {
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return;
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}
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CXFA_WidgetAcc* pWidgetAcc =
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static_cast<CXFA_WidgetAcc*>(pNode->GetWidgetData());
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if (!pWidgetAcc) {
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return;
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}
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pDocView->AddCalculateWidgetAcc(pWidgetAcc);
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pDocView->AddValidateWidget(pWidgetAcc);
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}
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CXFA_FFDoc* CXFA_FFNotify::GetHDOC() {
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return m_pDoc;
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}
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IXFA_DocProvider* CXFA_FFNotify::GetDocProvider() {
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return m_pDoc->GetDocProvider();
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}
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IXFA_AppProvider* CXFA_FFNotify::GetAppProvider() {
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return m_pDoc->GetApp()->GetAppProvider();
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}
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CXFA_FFWidgetHandler* CXFA_FFNotify::GetWidgetHandler() {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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return pDocView ? pDocView->GetWidgetHandler() : nullptr;
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}
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CXFA_FFWidget* CXFA_FFNotify::GetHWidget(CXFA_LayoutItem* pLayoutItem) {
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return XFA_GetWidgetFromLayoutItem(pLayoutItem);
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}
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void CXFA_FFNotify::OpenDropDownList(CXFA_FFWidget* hWidget) {
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if (hWidget->GetDataAcc()->GetUIType() != XFA_Element::ChoiceList) {
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return;
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}
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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pDocView->LockUpdate();
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static_cast<CXFA_FFComboBox*>(hWidget)->OpenDropDownList();
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pDocView->UnlockUpdate();
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pDocView->UpdateDocView();
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}
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CFX_WideString CXFA_FFNotify::GetCurrentDateTime() {
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CFX_Unitime dataTime;
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dataTime.Now();
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CFX_WideString wsDateTime;
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wsDateTime.Format(L"%d%02d%02dT%02d%02d%02d", dataTime.GetYear(),
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dataTime.GetMonth(), dataTime.GetDay(), dataTime.GetHour(),
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dataTime.GetMinute(), dataTime.GetSecond());
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return wsDateTime;
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}
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void CXFA_FFNotify::ResetData(CXFA_WidgetData* pWidgetData) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView) {
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return;
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}
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pDocView->ResetWidgetData(static_cast<CXFA_WidgetAcc*>(pWidgetData));
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}
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int32_t CXFA_FFNotify::GetLayoutStatus() {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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return pDocView ? pDocView->GetLayoutStatus() : 0;
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}
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void CXFA_FFNotify::RunNodeInitialize(CXFA_Node* pNode) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView) {
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return;
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}
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pDocView->AddNewFormNode(pNode);
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}
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void CXFA_FFNotify::RunSubformIndexChange(CXFA_Node* pSubformNode) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView) {
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return;
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}
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pDocView->AddIndexChangedSubform(pSubformNode);
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}
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CXFA_Node* CXFA_FFNotify::GetFocusWidgetNode() {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView) {
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return nullptr;
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}
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CXFA_WidgetAcc* pAcc = pDocView->GetFocusWidgetAcc();
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return pAcc ? pAcc->GetNode() : nullptr;
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}
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void CXFA_FFNotify::SetFocusWidgetNode(CXFA_Node* pNode) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView) {
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return;
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}
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CXFA_WidgetAcc* pAcc =
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pNode ? static_cast<CXFA_WidgetAcc*>(pNode->GetWidgetData()) : nullptr;
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pDocView->SetFocusWidgetAcc(pAcc);
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}
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void CXFA_FFNotify::OnNodeReady(CXFA_Node* pNode) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView)
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return;
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XFA_Element eType = pNode->GetElementType();
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if (XFA_IsCreateWidget(eType)) {
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CXFA_WidgetAcc* pAcc = new CXFA_WidgetAcc(pDocView, pNode);
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pNode->SetObject(XFA_ATTRIBUTE_WidgetData, pAcc, &gs_XFADeleteWidgetAcc);
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return;
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}
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switch (eType) {
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case XFA_Element::BindItems:
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pDocView->m_BindItems.Add(pNode);
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break;
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case XFA_Element::Validate: {
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pNode->SetFlag(XFA_NodeFlag_NeedsInitApp, false);
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} break;
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default:
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break;
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}
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}
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void CXFA_FFNotify::OnValueChanging(CXFA_Node* pSender, XFA_ATTRIBUTE eAttr) {
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if (eAttr != XFA_ATTRIBUTE_Presence)
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return;
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if (pSender->GetPacketID() & XFA_XDPPACKET_Datasets)
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return;
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if (!pSender->IsFormContainer())
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return;
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView)
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return;
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if (pDocView->GetLayoutStatus() < XFA_DOCVIEW_LAYOUTSTATUS_End)
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return;
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CXFA_WidgetAcc* pWidgetAcc =
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static_cast<CXFA_WidgetAcc*>(pSender->GetWidgetData());
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if (!pWidgetAcc)
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return;
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CXFA_FFWidget* pWidget = nullptr;
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while ((pWidget = pWidgetAcc->GetNextWidget(pWidget)) != nullptr) {
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if (pWidget->IsLoaded())
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pWidget->AddInvalidateRect();
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}
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}
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void CXFA_FFNotify::OnValueChanged(CXFA_Node* pSender,
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XFA_ATTRIBUTE eAttr,
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CXFA_Node* pParentNode,
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CXFA_Node* pWidgetNode) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView)
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return;
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if (!(pSender->GetPacketID() & XFA_XDPPACKET_Form)) {
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if (eAttr == XFA_ATTRIBUTE_Value)
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pDocView->AddCalculateNodeNotify(pSender);
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return;
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}
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XFA_Element eType = pParentNode->GetElementType();
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FX_BOOL bIsContainerNode = pParentNode->IsContainerNode();
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CXFA_WidgetAcc* pWidgetAcc =
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static_cast<CXFA_WidgetAcc*>(pWidgetNode->GetWidgetData());
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if (!pWidgetAcc)
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return;
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bool bUpdateProperty = false;
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pDocView->SetChangeMark();
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switch (eType) {
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case XFA_Element::Caption: {
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CXFA_TextLayout* pCapOut = pWidgetAcc->GetCaptionTextLayout();
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if (!pCapOut)
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return;
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pCapOut->Unload();
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} break;
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case XFA_Element::Ui:
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case XFA_Element::Para:
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bUpdateProperty = true;
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break;
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default:
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break;
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}
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if (bIsContainerNode && eAttr == XFA_ATTRIBUTE_Access)
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bUpdateProperty = true;
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if (eAttr == XFA_ATTRIBUTE_Value) {
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pDocView->AddCalculateNodeNotify(pSender);
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if (eType == XFA_Element::Value || bIsContainerNode) {
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if (bIsContainerNode) {
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pWidgetAcc->UpdateUIDisplay();
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pDocView->AddCalculateWidgetAcc(pWidgetAcc);
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pDocView->AddValidateWidget(pWidgetAcc);
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} else if (pWidgetNode->GetNodeItem(XFA_NODEITEM_Parent)
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->GetElementType() == XFA_Element::ExclGroup) {
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pWidgetAcc->UpdateUIDisplay();
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}
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return;
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}
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}
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CXFA_FFWidget* pWidget = nullptr;
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while ((pWidget = pWidgetAcc->GetNextWidget(pWidget)) != nullptr) {
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if (!pWidget->IsLoaded())
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continue;
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if (bUpdateProperty)
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pWidget->UpdateWidgetProperty();
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pWidget->PerformLayout();
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pWidget->AddInvalidateRect();
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}
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}
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void CXFA_FFNotify::OnChildAdded(CXFA_Node* pSender) {
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if (!pSender->IsFormContainer()) {
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return;
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}
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView) {
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return;
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}
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FX_BOOL bLayoutReady =
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!(pDocView->m_bInLayoutStatus) &&
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(pDocView->GetLayoutStatus() == XFA_DOCVIEW_LAYOUTSTATUS_End);
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if (bLayoutReady)
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m_pDoc->GetDocProvider()->SetChangeMark(m_pDoc);
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}
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void CXFA_FFNotify::OnChildRemoved() {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView)
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return;
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bool bLayoutReady =
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!(pDocView->m_bInLayoutStatus) &&
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(pDocView->GetLayoutStatus() == XFA_DOCVIEW_LAYOUTSTATUS_End);
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if (bLayoutReady)
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m_pDoc->GetDocProvider()->SetChangeMark(m_pDoc);
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}
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void CXFA_FFNotify::OnLayoutItemAdded(CXFA_LayoutProcessor* pLayout,
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CXFA_LayoutItem* pSender,
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int32_t iPageIdx,
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uint32_t dwStatus) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView(pLayout);
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if (!pDocView)
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return;
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CXFA_FFWidget* pWidget = XFA_GetWidgetFromLayoutItem(pSender);
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if (!pWidget)
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return;
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CXFA_FFPageView* pNewPageView = pDocView->GetPageView(iPageIdx);
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uint32_t dwFilter = XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable |
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XFA_WidgetStatus_Printable;
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pWidget->ModifyStatus(dwStatus, dwFilter);
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CXFA_FFPageView* pPrePageView = pWidget->GetPageView();
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if (pPrePageView != pNewPageView ||
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(dwStatus & (XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable)) ==
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(XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable)) {
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pWidget->SetPageView(pNewPageView);
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m_pDoc->GetDocProvider()->WidgetPostAdd(pWidget, pWidget->GetDataAcc());
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}
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if (pDocView->GetLayoutStatus() != XFA_DOCVIEW_LAYOUTSTATUS_End ||
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!(dwStatus & XFA_WidgetStatus_Visible)) {
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return;
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}
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if (pWidget->IsLoaded()) {
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CFX_RectF rtOld;
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pWidget->GetWidgetRect(rtOld);
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if (rtOld != pWidget->ReCacheWidgetRect())
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pWidget->PerformLayout();
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} else {
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pWidget->LoadWidget();
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}
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pWidget->AddInvalidateRect(nullptr);
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}
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void CXFA_FFNotify::OnLayoutItemRemoving(CXFA_LayoutProcessor* pLayout,
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CXFA_LayoutItem* pSender) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView(pLayout);
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if (!pDocView)
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return;
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CXFA_FFWidget* pWidget = XFA_GetWidgetFromLayoutItem(pSender);
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if (!pWidget)
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return;
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pDocView->DeleteLayoutItem(pWidget);
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m_pDoc->GetDocProvider()->WidgetPreRemove(pWidget, pWidget->GetDataAcc());
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pWidget->AddInvalidateRect(nullptr);
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}
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