// Copyright 2014 PDFium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com #include "xfa/fxfa/cxfa_ffnotify.h" #include <memory> #include <utility> #include "xfa/fxfa/cxfa_ffapp.h" #include "xfa/fxfa/cxfa_ffarc.h" #include "xfa/fxfa/cxfa_ffbarcode.h" #include "xfa/fxfa/cxfa_ffcheckbutton.h" #include "xfa/fxfa/cxfa_ffcombobox.h" #include "xfa/fxfa/cxfa_ffdatetimeedit.h" #include "xfa/fxfa/cxfa_ffdoc.h" #include "xfa/fxfa/cxfa_ffdocview.h" #include "xfa/fxfa/cxfa_ffdraw.h" #include "xfa/fxfa/cxfa_ffexclgroup.h" #include "xfa/fxfa/cxfa_fffield.h" #include "xfa/fxfa/cxfa_ffimage.h" #include "xfa/fxfa/cxfa_ffimageedit.h" #include "xfa/fxfa/cxfa_ffline.h" #include "xfa/fxfa/cxfa_fflistbox.h" #include "xfa/fxfa/cxfa_ffnumericedit.h" #include "xfa/fxfa/cxfa_ffpageview.h" #include "xfa/fxfa/cxfa_ffpasswordedit.h" #include "xfa/fxfa/cxfa_ffpushbutton.h" #include "xfa/fxfa/cxfa_ffrectangle.h" #include "xfa/fxfa/cxfa_ffsignature.h" #include "xfa/fxfa/cxfa_ffsubform.h" #include "xfa/fxfa/cxfa_fftext.h" #include "xfa/fxfa/cxfa_ffwidget.h" #include "xfa/fxfa/cxfa_ffwidgethandler.h" #include "xfa/fxfa/cxfa_fwladapterwidgetmgr.h" #include "xfa/fxfa/cxfa_textlayout.h" #include "xfa/fxfa/cxfa_textprovider.h" #include "xfa/fxfa/parser/cxfa_binditems.h" #include "xfa/fxfa/parser/cxfa_node.h" namespace { CXFA_FFListBox* ToListBox(CXFA_FFWidget* widget) { return static_cast<CXFA_FFListBox*>(widget); } CXFA_FFComboBox* ToComboBox(CXFA_FFWidget* widget) { return static_cast<CXFA_FFComboBox*>(widget); } } // namespace CXFA_FFNotify::CXFA_FFNotify(CXFA_FFDoc* pDoc) : m_pDoc(pDoc) {} CXFA_FFNotify::~CXFA_FFNotify() {} void CXFA_FFNotify::OnPageEvent(CXFA_ContainerLayoutItem* pSender, uint32_t dwEvent) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(pSender->GetLayout()); if (pDocView) pDocView->OnPageEvent(pSender, dwEvent); } void CXFA_FFNotify::OnWidgetListItemAdded(CXFA_WidgetAcc* pSender, const wchar_t* pLabel, const wchar_t* pValue, int32_t iIndex) { if (pSender->GetUIType() != XFA_Element::ChoiceList) return; CXFA_FFWidget* pWidget = m_pDoc->GetDocView()->GetWidgetForNode(pSender->GetNode()); for (; pWidget; pWidget = pSender->GetNextWidget(pWidget)) { if (pWidget->IsLoaded()) { if (pSender->IsListBox()) ToListBox(pWidget)->InsertItem(pLabel, iIndex); else ToComboBox(pWidget)->InsertItem(pLabel, iIndex); } } } void CXFA_FFNotify::OnWidgetListItemRemoved(CXFA_WidgetAcc* pSender, int32_t iIndex) { if (pSender->GetUIType() != XFA_Element::ChoiceList) return; CXFA_FFWidget* pWidget = m_pDoc->GetDocView()->GetWidgetForNode(pSender->GetNode()); for (; pWidget; pWidget = pSender->GetNextWidget(pWidget)) { if (pWidget->IsLoaded()) { if (pSender->IsListBox()) ToListBox(pWidget)->DeleteItem(iIndex); else ToComboBox(pWidget)->DeleteItem(iIndex); } } } CXFA_LayoutItem* CXFA_FFNotify::OnCreateLayoutItem(CXFA_Node* pNode) { CXFA_LayoutProcessor* pLayout = m_pDoc->GetXFADoc()->GetDocLayout(); CXFA_FFDocView* pDocView = m_pDoc->GetDocView(pLayout); XFA_Element eType = pNode->GetElementType(); if (eType == XFA_Element::PageArea) return new CXFA_FFPageView(pDocView, pNode); if (eType == XFA_Element::ContentArea) return new CXFA_ContainerLayoutItem(pNode); // We only need to create the widget for certain types of objects. if (!XFA_IsCreateWidget(eType)) return new CXFA_ContentLayoutItem(pNode); CXFA_FFWidget* pWidget; switch (pNode->GetWidgetAcc()->GetUIType()) { case XFA_Element::Barcode: pWidget = new CXFA_FFBarcode(pNode); break; case XFA_Element::Button: pWidget = new CXFA_FFPushButton(pNode); break; case XFA_Element::CheckButton: pWidget = new CXFA_FFCheckButton(pNode); break; case XFA_Element::ChoiceList: { if (pNode->GetWidgetAcc()->IsListBox()) pWidget = new CXFA_FFListBox(pNode); else pWidget = new CXFA_FFComboBox(pNode); } break; case XFA_Element::DateTimeEdit: pWidget = new CXFA_FFDateTimeEdit(pNode); break; case XFA_Element::ImageEdit: pWidget = new CXFA_FFImageEdit(pNode); break; case XFA_Element::NumericEdit: pWidget = new CXFA_FFNumericEdit(pNode); break; case XFA_Element::PasswordEdit: pWidget = new CXFA_FFPasswordEdit(pNode); break; case XFA_Element::Signature: pWidget = new CXFA_FFSignature(pNode); break; case XFA_Element::TextEdit: pWidget = new CXFA_FFTextEdit(pNode); break; case XFA_Element::Arc: pWidget = new CXFA_FFArc(pNode); break; case XFA_Element::Line: pWidget = new CXFA_FFLine(pNode); break; case XFA_Element::Rectangle: pWidget = new CXFA_FFRectangle(pNode); break; case XFA_Element::Text: pWidget = new CXFA_FFText(pNode); break; case XFA_Element::Image: pWidget = new CXFA_FFImage(pNode); break; case XFA_Element::Draw: pWidget = new CXFA_FFDraw(pNode); break; case XFA_Element::Subform: pWidget = new CXFA_FFSubForm(pNode); break; case XFA_Element::ExclGroup: pWidget = new CXFA_FFExclGroup(pNode); break; case XFA_Element::DefaultUi: default: pWidget = nullptr; break; } if (pWidget) pWidget->SetDocView(pDocView); return pWidget; } void CXFA_FFNotify::StartFieldDrawLayout(CXFA_Node* pItem, float& fCalcWidth, float& fCalcHeight) { CXFA_WidgetAcc* pAcc = pItem->GetWidgetAcc(); if (!pAcc) return; pAcc->StartWidgetLayout(m_pDoc.Get(), fCalcWidth, fCalcHeight); } bool CXFA_FFNotify::FindSplitPos(CXFA_Node* pItem, int32_t iBlockIndex, float& fCalcHeightPos) { CXFA_WidgetAcc* pAcc = pItem->GetWidgetAcc(); return pAcc && pAcc->FindSplitPos(m_pDoc->GetDocView(), iBlockIndex, fCalcHeightPos); } bool CXFA_FFNotify::RunScript(CXFA_Script* pScript, CXFA_Node* pFormItem) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return false; CXFA_WidgetAcc* pWidgetAcc = pFormItem->GetWidgetAcc(); if (!pWidgetAcc) return false; CXFA_EventParam EventParam; EventParam.m_eType = XFA_EVENT_Unknown; int32_t iRet; bool bRet; std::tie(iRet, bRet) = pWidgetAcc->ExecuteBoolScript(pDocView, pScript, &EventParam); return iRet == XFA_EVENTERROR_Success && bRet; } int32_t CXFA_FFNotify::ExecEventByDeepFirst(CXFA_Node* pFormNode, XFA_EVENTTYPE eEventType, bool bIsFormReady, bool bRecursive, CXFA_WidgetAcc* pExclude) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return XFA_EVENTERROR_NotExist; return pDocView->ExecEventActivityByDeepFirst( pFormNode, eEventType, bIsFormReady, bRecursive, pExclude ? pExclude->GetNode() : nullptr); } void CXFA_FFNotify::AddCalcValidate(CXFA_Node* pNode) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return; CXFA_WidgetAcc* pWidgetAcc = pNode->GetWidgetAcc(); if (!pWidgetAcc) return; pDocView->AddCalculateWidgetAcc(pWidgetAcc); pDocView->AddValidateWidget(pWidgetAcc); } CXFA_FFDoc* CXFA_FFNotify::GetHDOC() { return m_pDoc.Get(); } IXFA_DocEnvironment* CXFA_FFNotify::GetDocEnvironment() const { return m_pDoc->GetDocEnvironment(); } IXFA_AppProvider* CXFA_FFNotify::GetAppProvider() { return m_pDoc->GetApp()->GetAppProvider(); } CXFA_FFWidgetHandler* CXFA_FFNotify::GetWidgetHandler() { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); return pDocView ? pDocView->GetWidgetHandler() : nullptr; } CXFA_FFWidget* CXFA_FFNotify::GetHWidget(CXFA_LayoutItem* pLayoutItem) { return XFA_GetWidgetFromLayoutItem(pLayoutItem); } void CXFA_FFNotify::OpenDropDownList(CXFA_FFWidget* hWidget) { if (hWidget->GetNode()->GetWidgetAcc()->GetUIType() != XFA_Element::ChoiceList) return; CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); pDocView->LockUpdate(); ToComboBox(hWidget)->OpenDropDownList(); pDocView->UnlockUpdate(); pDocView->UpdateDocView(); } WideString CXFA_FFNotify::GetCurrentDateTime() { CFX_DateTime dataTime = CFX_DateTime::Now(); return WideString::Format(L"%d%02d%02dT%02d%02d%02d", dataTime.GetYear(), dataTime.GetMonth(), dataTime.GetDay(), dataTime.GetHour(), dataTime.GetMinute(), dataTime.GetSecond()); } void CXFA_FFNotify::ResetData(CXFA_WidgetAcc* pWidgetAcc) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return; pDocView->ResetWidgetAcc(pWidgetAcc); } int32_t CXFA_FFNotify::GetLayoutStatus() { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); return pDocView ? pDocView->GetLayoutStatus() : 0; } void CXFA_FFNotify::RunNodeInitialize(CXFA_Node* pNode) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return; pDocView->AddNewFormNode(pNode); } void CXFA_FFNotify::RunSubformIndexChange(CXFA_Node* pSubformNode) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return; pDocView->AddIndexChangedSubform(pSubformNode); } CXFA_Node* CXFA_FFNotify::GetFocusWidgetNode() { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return nullptr; CXFA_WidgetAcc* pAcc = pDocView->GetFocusWidgetAcc(); return pAcc ? pAcc->GetNode() : nullptr; } void CXFA_FFNotify::SetFocusWidgetNode(CXFA_Node* pNode) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return; CXFA_WidgetAcc* pAcc = pNode ? pNode->GetWidgetAcc() : nullptr; pDocView->SetFocusWidgetAcc(pAcc); } void CXFA_FFNotify::OnNodeReady(CXFA_Node* pNode) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return; XFA_Element eType = pNode->GetElementType(); if (XFA_IsCreateWidget(eType)) { pNode->JSObject()->SetWidgetAcc(pdfium::MakeUnique<CXFA_WidgetAcc>(pNode)); return; } switch (eType) { case XFA_Element::BindItems: pDocView->AddBindItem(static_cast<CXFA_BindItems*>(pNode)); break; case XFA_Element::Validate: pNode->SetFlag(XFA_NodeFlag_NeedsInitApp, false); break; default: break; } } void CXFA_FFNotify::OnValueChanging(CXFA_Node* pSender, XFA_Attribute eAttr) { if (eAttr != XFA_Attribute::Presence) return; if (pSender->GetPacketType() == XFA_PacketType::Datasets) return; if (!pSender->IsFormContainer()) return; CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return; if (pDocView->GetLayoutStatus() < XFA_DOCVIEW_LAYOUTSTATUS_End) return; CXFA_WidgetAcc* pWidgetAcc = pSender->GetWidgetAcc(); if (!pWidgetAcc) return; CXFA_FFWidget* pWidget = m_pDoc->GetDocView()->GetWidgetForNode(pWidgetAcc->GetNode()); for (; pWidget; pWidget = pWidgetAcc->GetNextWidget(pWidget)) { if (pWidget->IsLoaded()) pWidget->AddInvalidateRect(); } } void CXFA_FFNotify::OnValueChanged(CXFA_Node* pSender, XFA_Attribute eAttr, CXFA_Node* pParentNode, CXFA_Node* pWidgetNode) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return; if (pSender->GetPacketType() != XFA_PacketType::Form) { if (eAttr == XFA_Attribute::Value) pDocView->AddCalculateNodeNotify(pSender); return; } XFA_Element eType = pParentNode->GetElementType(); bool bIsContainerNode = pParentNode->IsContainerNode(); CXFA_WidgetAcc* pWidgetAcc = pWidgetNode->GetWidgetAcc(); if (!pWidgetAcc) return; bool bUpdateProperty = false; pDocView->SetChangeMark(); switch (eType) { case XFA_Element::Caption: { CXFA_TextLayout* pCapOut = pWidgetAcc->GetCaptionTextLayout(); if (!pCapOut) return; pCapOut->Unload(); break; } case XFA_Element::Ui: case XFA_Element::Para: bUpdateProperty = true; break; default: break; } if (bIsContainerNode && eAttr == XFA_Attribute::Access) bUpdateProperty = true; if (eAttr == XFA_Attribute::Value) { pDocView->AddCalculateNodeNotify(pSender); if (eType == XFA_Element::Value || bIsContainerNode) { if (bIsContainerNode) { pWidgetAcc->UpdateUIDisplay(m_pDoc->GetDocView(), nullptr); pDocView->AddCalculateWidgetAcc(pWidgetAcc); pDocView->AddValidateWidget(pWidgetAcc); } else if (pWidgetNode->GetNodeItem(XFA_NODEITEM_Parent) ->GetElementType() == XFA_Element::ExclGroup) { pWidgetAcc->UpdateUIDisplay(m_pDoc->GetDocView(), nullptr); } return; } } CXFA_FFWidget* pWidget = m_pDoc->GetDocView()->GetWidgetForNode(pWidgetAcc->GetNode()); for (; pWidget; pWidget = pWidgetAcc->GetNextWidget(pWidget)) { if (!pWidget->IsLoaded()) continue; if (bUpdateProperty) pWidget->UpdateWidgetProperty(); pWidget->PerformLayout(); pWidget->AddInvalidateRect(); } } void CXFA_FFNotify::OnChildAdded(CXFA_Node* pSender) { if (!pSender->IsFormContainer()) return; CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return; bool bLayoutReady = !(pDocView->m_bInLayoutStatus) && (pDocView->GetLayoutStatus() == XFA_DOCVIEW_LAYOUTSTATUS_End); if (bLayoutReady) m_pDoc->GetDocEnvironment()->SetChangeMark(m_pDoc.Get()); } void CXFA_FFNotify::OnChildRemoved() { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) return; bool bLayoutReady = !(pDocView->m_bInLayoutStatus) && (pDocView->GetLayoutStatus() == XFA_DOCVIEW_LAYOUTSTATUS_End); if (bLayoutReady) m_pDoc->GetDocEnvironment()->SetChangeMark(m_pDoc.Get()); } void CXFA_FFNotify::OnLayoutItemAdded(CXFA_LayoutProcessor* pLayout, CXFA_LayoutItem* pSender, int32_t iPageIdx, uint32_t dwStatus) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(pLayout); if (!pDocView) return; CXFA_FFWidget* pWidget = XFA_GetWidgetFromLayoutItem(pSender); if (!pWidget) return; CXFA_FFPageView* pNewPageView = pDocView->GetPageView(iPageIdx); uint32_t dwFilter = XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable | 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, pWidget->GetNode()->GetWidgetAcc()); } 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->AddInvalidateRect(); } 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->GetNode()->GetWidgetAcc()); pWidget->AddInvalidateRect(); }