504 lines
16 KiB
C++
504 lines
16 KiB
C++
// 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/cxfa_ffnotify.h"
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#include <utility>
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#include "third_party/base/ptr_util.h"
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#include "xfa/fxfa/cxfa_ffapp.h"
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#include "xfa/fxfa/cxfa_ffarc.h"
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#include "xfa/fxfa/cxfa_ffbarcode.h"
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#include "xfa/fxfa/cxfa_ffcheckbutton.h"
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#include "xfa/fxfa/cxfa_ffcombobox.h"
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#include "xfa/fxfa/cxfa_ffdatetimeedit.h"
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#include "xfa/fxfa/cxfa_ffdoc.h"
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#include "xfa/fxfa/cxfa_ffdocview.h"
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#include "xfa/fxfa/cxfa_ffexclgroup.h"
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#include "xfa/fxfa/cxfa_fffield.h"
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#include "xfa/fxfa/cxfa_ffimage.h"
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#include "xfa/fxfa/cxfa_ffimageedit.h"
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#include "xfa/fxfa/cxfa_ffline.h"
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#include "xfa/fxfa/cxfa_fflistbox.h"
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#include "xfa/fxfa/cxfa_ffnumericedit.h"
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#include "xfa/fxfa/cxfa_ffpageview.h"
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#include "xfa/fxfa/cxfa_ffpasswordedit.h"
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#include "xfa/fxfa/cxfa_ffpushbutton.h"
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#include "xfa/fxfa/cxfa_ffrectangle.h"
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#include "xfa/fxfa/cxfa_ffsignature.h"
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#include "xfa/fxfa/cxfa_fftext.h"
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#include "xfa/fxfa/cxfa_ffwidget.h"
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#include "xfa/fxfa/cxfa_ffwidgethandler.h"
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#include "xfa/fxfa/cxfa_fwladapterwidgetmgr.h"
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#include "xfa/fxfa/cxfa_textlayout.h"
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#include "xfa/fxfa/cxfa_textprovider.h"
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#include "xfa/fxfa/layout/cxfa_layoutprocessor.h"
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#include "xfa/fxfa/parser/cxfa_barcode.h"
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#include "xfa/fxfa/parser/cxfa_binditems.h"
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#include "xfa/fxfa/parser/cxfa_button.h"
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#include "xfa/fxfa/parser/cxfa_checkbutton.h"
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#include "xfa/fxfa/parser/cxfa_node.h"
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#include "xfa/fxfa/parser/cxfa_passwordedit.h"
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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_ViewLayoutItem* 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_Node* pSender,
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const WideString& wsLabel,
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int32_t iIndex) {
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if (pSender->GetFFWidgetType() != XFA_FFWidgetType::kChoiceList)
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return;
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CXFA_FFWidget* pWidget = m_pDoc->GetDocView()->GetWidgetForNode(pSender);
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for (; pWidget; pWidget = pWidget->GetNextFFWidget()) {
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if (pWidget->IsLoaded())
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ToDropDown(ToField(pWidget))->InsertItem(wsLabel, iIndex);
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}
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}
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void CXFA_FFNotify::OnWidgetListItemRemoved(CXFA_Node* pSender,
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int32_t iIndex) {
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if (pSender->GetFFWidgetType() != XFA_FFWidgetType::kChoiceList)
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return;
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CXFA_FFWidget* pWidget = m_pDoc->GetDocView()->GetWidgetForNode(pSender);
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for (; pWidget; pWidget = pWidget->GetNextFFWidget()) {
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if (pWidget->IsLoaded())
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ToDropDown(ToField(pWidget))->DeleteItem(iIndex);
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}
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}
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std::unique_ptr<CXFA_FFPageView> CXFA_FFNotify::OnCreateViewLayoutItem(
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CXFA_Node* pNode) {
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if (pNode->GetElementType() != XFA_Element::PageArea)
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return nullptr;
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auto* pLayout = CXFA_LayoutProcessor::FromDocument(m_pDoc->GetXFADoc());
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return pdfium::MakeUnique<CXFA_FFPageView>(m_pDoc->GetDocView(pLayout),
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pNode);
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}
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std::unique_ptr<CXFA_FFWidget> CXFA_FFNotify::OnCreateContentLayoutItem(
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CXFA_Node* pNode) {
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ASSERT(pNode->GetElementType() != XFA_Element::ContentArea);
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ASSERT(pNode->GetElementType() != XFA_Element::PageArea);
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// We only need to create the widget for certain types of objects.
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if (!pNode->HasCreatedUIWidget())
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return nullptr;
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std::unique_ptr<CXFA_FFWidget> pWidget;
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switch (pNode->GetFFWidgetType()) {
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case XFA_FFWidgetType::kBarcode: {
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CXFA_Node* child = pNode->GetUIChildNode();
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if (child->GetElementType() != XFA_Element::Barcode)
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return nullptr;
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pWidget = pdfium::MakeUnique<CXFA_FFBarcode>(
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pNode, static_cast<CXFA_Barcode*>(child));
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break;
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}
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case XFA_FFWidgetType::kButton: {
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CXFA_Node* child = pNode->GetUIChildNode();
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if (child->GetElementType() != XFA_Element::Button)
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return nullptr;
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pWidget = pdfium::MakeUnique<CXFA_FFPushButton>(
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pNode, static_cast<CXFA_Button*>(child));
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break;
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}
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case XFA_FFWidgetType::kCheckButton: {
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CXFA_Node* child = pNode->GetUIChildNode();
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if (child->GetElementType() != XFA_Element::CheckButton)
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return nullptr;
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pWidget = pdfium::MakeUnique<CXFA_FFCheckButton>(
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pNode, static_cast<CXFA_CheckButton*>(child));
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break;
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}
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case XFA_FFWidgetType::kChoiceList: {
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if (pNode->IsListBox())
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pWidget = pdfium::MakeUnique<CXFA_FFListBox>(pNode);
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else
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pWidget = pdfium::MakeUnique<CXFA_FFComboBox>(pNode);
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break;
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}
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case XFA_FFWidgetType::kDateTimeEdit:
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pWidget = pdfium::MakeUnique<CXFA_FFDateTimeEdit>(pNode);
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break;
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case XFA_FFWidgetType::kImageEdit:
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pWidget = pdfium::MakeUnique<CXFA_FFImageEdit>(pNode);
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break;
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case XFA_FFWidgetType::kNumericEdit:
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pWidget = pdfium::MakeUnique<CXFA_FFNumericEdit>(pNode);
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break;
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case XFA_FFWidgetType::kPasswordEdit: {
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CXFA_Node* child = pNode->GetUIChildNode();
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if (child->GetElementType() != XFA_Element::PasswordEdit)
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return nullptr;
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pWidget = pdfium::MakeUnique<CXFA_FFPasswordEdit>(
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pNode, static_cast<CXFA_PasswordEdit*>(child));
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break;
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}
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case XFA_FFWidgetType::kSignature:
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pWidget = pdfium::MakeUnique<CXFA_FFSignature>(pNode);
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break;
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case XFA_FFWidgetType::kTextEdit:
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pWidget = pdfium::MakeUnique<CXFA_FFTextEdit>(pNode);
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break;
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case XFA_FFWidgetType::kArc:
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pWidget = pdfium::MakeUnique<CXFA_FFArc>(pNode);
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break;
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case XFA_FFWidgetType::kLine:
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pWidget = pdfium::MakeUnique<CXFA_FFLine>(pNode);
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break;
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case XFA_FFWidgetType::kRectangle:
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pWidget = pdfium::MakeUnique<CXFA_FFRectangle>(pNode);
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break;
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case XFA_FFWidgetType::kText:
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pWidget = pdfium::MakeUnique<CXFA_FFText>(pNode);
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break;
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case XFA_FFWidgetType::kImage:
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pWidget = pdfium::MakeUnique<CXFA_FFImage>(pNode);
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break;
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case XFA_FFWidgetType::kSubform:
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pWidget = pdfium::MakeUnique<CXFA_FFWidget>(pNode);
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break;
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case XFA_FFWidgetType::kExclGroup:
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pWidget = pdfium::MakeUnique<CXFA_FFExclGroup>(pNode);
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break;
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case XFA_FFWidgetType::kNone:
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return nullptr;
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}
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ASSERT(pWidget);
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auto* pLayout = CXFA_LayoutProcessor::FromDocument(m_pDoc->GetXFADoc());
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pWidget->SetDocView(m_pDoc->GetDocView(pLayout));
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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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float* pCalcWidth,
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float* pCalcHeight) {
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pItem->StartWidgetLayout(m_pDoc.Get(), pCalcWidth, pCalcHeight);
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}
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bool CXFA_FFNotify::RunScript(CXFA_Script* script, CXFA_Node* item) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView)
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return false;
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CXFA_EventParam EventParam;
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EventParam.m_eType = XFA_EVENT_Unknown;
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XFA_EventError iRet;
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bool bRet;
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std::tie(iRet, bRet) = item->ExecuteBoolScript(pDocView, script, &EventParam);
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return iRet == XFA_EventError::kSuccess && bRet;
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}
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XFA_EventError CXFA_FFNotify::ExecEventByDeepFirst(CXFA_Node* pFormNode,
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XFA_EVENTTYPE eEventType,
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bool bIsFormReady,
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bool bRecursive) {
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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if (!pDocView)
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return XFA_EventError::kNotExist;
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return pDocView->ExecEventActivityByDeepFirst(pFormNode, eEventType,
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bIsFormReady, bRecursive);
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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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pDocView->AddCalculateNode(pNode);
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pDocView->AddValidateNode(pNode);
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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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void CXFA_FFNotify::OpenDropDownList(CXFA_Node* pNode) {
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auto* pDocLayout = CXFA_LayoutProcessor::FromDocument(m_pDoc->GetXFADoc());
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CXFA_LayoutItem* pLayoutItem = pDocLayout->GetLayoutItem(pNode);
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if (!pLayoutItem)
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return;
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CXFA_FFWidget* hWidget = XFA_GetWidgetFromLayoutItem(pLayoutItem);
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if (!hWidget)
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return;
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// SetFocusWidget() may destroy |hWidget| object by JS callback.
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ObservedPtr<CXFA_FFWidget> pObservedWidget(hWidget);
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CXFA_FFDoc* hDoc = GetHDOC();
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hDoc->GetDocEnvironment()->SetFocusWidget(hDoc, hWidget);
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if (!pObservedWidget)
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return;
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if (hWidget->GetNode()->GetFFWidgetType() != XFA_FFWidgetType::kChoiceList)
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return;
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if (!hWidget->IsLoaded())
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return;
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CXFA_FFDropDown* pDropDown = ToDropDown(ToField(hWidget));
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CXFA_FFComboBox* pComboBox = ToComboBox(pDropDown);
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if (!pComboBox)
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return;
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CXFA_FFDocView* pDocView = m_pDoc->GetDocView();
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pDocView->LockUpdate();
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pComboBox->OpenDropDownList();
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pDocView->UnlockUpdate();
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pDocView->UpdateDocView();
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}
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void CXFA_FFNotify::ResetData(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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pDocView->ResetNode(pNode);
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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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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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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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return pDocView ? pDocView->GetFocusNode() : 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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pDocView->SetFocusNode(pNode);
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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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if (pNode->HasCreatedUIWidget()) {
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pNode->SetWidgetReady();
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return;
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}
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switch (pNode->GetElementType()) {
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case XFA_Element::BindItems:
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pDocView->AddBindItem(static_cast<CXFA_BindItems*>(pNode));
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break;
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case XFA_Element::Validate:
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pNode->SetFlag(XFA_NodeFlag_NeedsInitApp);
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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->GetPacketType() == XFA_PacketType::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_FFWidget* pWidget = m_pDoc->GetDocView()->GetWidgetForNode(pSender);
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for (; pWidget; pWidget = pWidget->GetNextFFWidget()) {
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if (pWidget->IsLoaded())
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pWidget->InvalidateRect();
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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->GetPacketType() != XFA_PacketType::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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bool bIsContainerNode = pParentNode->IsContainerNode();
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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 = pWidgetNode->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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}
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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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m_pDoc->GetDocView()->UpdateUIDisplay(pWidgetNode, nullptr);
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pDocView->AddCalculateNode(pWidgetNode);
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pDocView->AddValidateNode(pWidgetNode);
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} else if (pWidgetNode->GetParent()->GetElementType() ==
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XFA_Element::ExclGroup) {
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m_pDoc->GetDocView()->UpdateUIDisplay(pWidgetNode, nullptr);
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}
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return;
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}
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}
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CXFA_FFWidget* pWidget = m_pDoc->GetDocView()->GetWidgetForNode(pWidgetNode);
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for (; pWidget; pWidget = pWidget->GetNextFFWidget()) {
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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->InvalidateRect();
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}
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}
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void CXFA_FFNotify::OnContainerChanged(CXFA_Node* pNode) {
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m_pDoc->GetXFADoc()->GetLayoutProcessor()->AddChangedContainer(pNode);
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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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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->GetDocEnvironment()->SetChangeMark(m_pDoc.Get());
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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->GetDocEnvironment()->SetChangeMark(m_pDoc.Get());
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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;
|
|
pWidget->ModifyStatus(dwStatus, dwFilter);
|
|
CXFA_FFPageView* pPrePageView = pWidget->GetPageView();
|
|
if (pPrePageView != pNewPageView ||
|
|
(dwStatus & (XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable)) ==
|
|
(XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable)) {
|
|
pWidget->SetPageView(pNewPageView);
|
|
m_pDoc->GetDocEnvironment()->WidgetPostAdd(pWidget);
|
|
}
|
|
if (pDocView->GetLayoutStatus() != XFA_DOCVIEW_LAYOUTSTATUS_End ||
|
|
!(dwStatus & XFA_WidgetStatus_Visible)) {
|
|
return;
|
|
}
|
|
if (pWidget->IsLoaded()) {
|
|
if (pWidget->GetWidgetRect() != pWidget->RecacheWidgetRect())
|
|
pWidget->PerformLayout();
|
|
} else {
|
|
pWidget->LoadWidget();
|
|
}
|
|
pWidget->InvalidateRect();
|
|
}
|
|
|
|
void CXFA_FFNotify::OnLayoutItemRemoving(CXFA_LayoutProcessor* pLayout,
|
|
CXFA_LayoutItem* pSender) {
|
|
CXFA_FFDocView* pDocView = m_pDoc->GetDocView(pLayout);
|
|
if (!pDocView)
|
|
return;
|
|
|
|
CXFA_FFWidget* pWidget = XFA_GetWidgetFromLayoutItem(pSender);
|
|
if (!pWidget)
|
|
return;
|
|
|
|
pDocView->DeleteLayoutItem(pWidget);
|
|
m_pDoc->GetDocEnvironment()->WidgetPreRemove(pWidget);
|
|
pWidget->InvalidateRect();
|
|
}
|