// 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/app/xfa_ffnotify.h" #include "xfa/fxfa/app/xfa_ffbarcode.h" #include "xfa/fxfa/app/xfa_ffcheckbutton.h" #include "xfa/fxfa/app/xfa_ffchoicelist.h" #include "xfa/fxfa/app/xfa_ffdraw.h" #include "xfa/fxfa/app/xfa_ffexclgroup.h" #include "xfa/fxfa/app/xfa_fffield.h" #include "xfa/fxfa/app/xfa_ffimage.h" #include "xfa/fxfa/app/xfa_ffimageedit.h" #include "xfa/fxfa/app/xfa_ffpath.h" #include "xfa/fxfa/app/xfa_ffpushbutton.h" #include "xfa/fxfa/app/xfa_ffsignature.h" #include "xfa/fxfa/app/xfa_ffsubform.h" #include "xfa/fxfa/app/xfa_fftext.h" #include "xfa/fxfa/app/xfa_fftextedit.h" #include "xfa/fxfa/app/xfa_ffwidgetacc.h" #include "xfa/fxfa/app/xfa_fwladapter.h" #include "xfa/fxfa/app/xfa_textlayout.h" #include "xfa/fxfa/include/xfa_ffapp.h" #include "xfa/fxfa/include/xfa_ffdoc.h" #include "xfa/fxfa/include/xfa_ffdocview.h" #include "xfa/fxfa/include/xfa_ffpageview.h" #include "xfa/fxfa/include/xfa_ffwidget.h" #include "xfa/fxfa/include/xfa_ffwidgethandler.h" static void XFA_FFDeleteWidgetAcc(void* pData) { delete static_cast<CXFA_WidgetAcc*>(pData); } static XFA_MAPDATABLOCKCALLBACKINFO gs_XFADeleteWidgetAcc = { XFA_FFDeleteWidgetAcc, nullptr}; 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_WidgetData* pSender, const FX_WCHAR* pLabel, const FX_WCHAR* pValue, int32_t iIndex) { CXFA_WidgetAcc* pWidgetAcc = static_cast<CXFA_WidgetAcc*>(pSender); if (pWidgetAcc->GetUIType() != XFA_ELEMENT_ChoiceList) return; CXFA_FFWidget* pWidget = nullptr; while ((pWidget = pWidgetAcc->GetNextWidget(pWidget))) { if (pWidget->IsLoaded()) { if (pWidgetAcc->IsListBox()) { static_cast<CXFA_FFListBox*>(pWidget)->InsertItem(pLabel, iIndex); } else { static_cast<CXFA_FFComboBox*>(pWidget)->InsertItem(pLabel, iIndex); } } } } void CXFA_FFNotify::OnWidgetListItemRemoved(CXFA_WidgetData* pSender, int32_t iIndex) { CXFA_WidgetAcc* pWidgetAcc = static_cast<CXFA_WidgetAcc*>(pSender); if (pWidgetAcc->GetUIType() != XFA_ELEMENT_ChoiceList) return; CXFA_FFWidget* pWidget = nullptr; while ((pWidget = pWidgetAcc->GetNextWidget(pWidget))) { if (pWidget->IsLoaded()) { if (pWidgetAcc->IsListBox()) { static_cast<CXFA_FFListBox*>(pWidget)->DeleteItem(iIndex); } else { static_cast<CXFA_FFComboBox*>(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->GetClassID(); if (eType == XFA_ELEMENT_PageArea) return new CXFA_FFPageView(pDocView, pNode); if (eType == XFA_ELEMENT_ContentArea) return new CXFA_ContainerLayoutItem(pNode); CXFA_WidgetAcc* pAcc = static_cast<CXFA_WidgetAcc*>(pNode->GetWidgetData()); if (!pAcc) return new CXFA_ContentLayoutItem(pNode); CXFA_FFWidget* pWidget; switch (pAcc->GetUIType()) { case XFA_ELEMENT_Barcode: pWidget = new CXFA_FFBarcode(nullptr, pAcc); break; case XFA_ELEMENT_Button: pWidget = new CXFA_FFPushButton(nullptr, pAcc); break; case XFA_ELEMENT_CheckButton: pWidget = new CXFA_FFCheckButton(nullptr, pAcc); break; case XFA_ELEMENT_ChoiceList: { if (pAcc->IsListBox()) { pWidget = new CXFA_FFListBox(nullptr, pAcc); } else { pWidget = new CXFA_FFComboBox(nullptr, pAcc); } } break; case XFA_ELEMENT_DateTimeEdit: pWidget = new CXFA_FFDateTimeEdit(nullptr, pAcc); break; case XFA_ELEMENT_ImageEdit: pWidget = new CXFA_FFImageEdit(nullptr, pAcc); break; case XFA_ELEMENT_NumericEdit: pWidget = new CXFA_FFNumericEdit(nullptr, pAcc); break; case XFA_ELEMENT_PasswordEdit: pWidget = new CXFA_FFPasswordEdit(nullptr, pAcc); break; case XFA_ELEMENT_Signature: pWidget = new CXFA_FFSignature(nullptr, pAcc); break; case XFA_ELEMENT_TextEdit: pWidget = new CXFA_FFTextEdit(nullptr, pAcc); break; case XFA_ELEMENT_Arc: pWidget = new CXFA_FFArc(nullptr, pAcc); break; case XFA_ELEMENT_Line: pWidget = new CXFA_FFLine(nullptr, pAcc); break; case XFA_ELEMENT_Rectangle: pWidget = new CXFA_FFRectangle(nullptr, pAcc); break; case XFA_ELEMENT_Text: pWidget = new CXFA_FFText(nullptr, pAcc); break; case XFA_ELEMENT_Image: pWidget = new CXFA_FFImage(nullptr, pAcc); break; case XFA_ELEMENT_Draw: pWidget = new CXFA_FFDraw(nullptr, pAcc); break; case XFA_ELEMENT_Subform: pWidget = new CXFA_FFSubForm(nullptr, pAcc); break; case XFA_ELEMENT_ExclGroup: pWidget = new CXFA_FFExclGroup(nullptr, pAcc); break; case XFA_ELEMENT_DefaultUi: default: pWidget = nullptr; break; } if (pWidget) pWidget->SetDocView(pDocView); return pWidget; } void CXFA_FFNotify::StartFieldDrawLayout(CXFA_Node* pItem, FX_FLOAT& fCalcWidth, FX_FLOAT& fCalcHeight) { CXFA_WidgetAcc* pAcc = static_cast<CXFA_WidgetAcc*>(pItem->GetWidgetData()); if (!pAcc) { return; } pAcc->StartWidgetLayout(fCalcWidth, fCalcHeight); } FX_BOOL CXFA_FFNotify::FindSplitPos(CXFA_Node* pItem, int32_t iBlockIndex, FX_FLOAT& fCalcHeightPos) { CXFA_WidgetAcc* pAcc = static_cast<CXFA_WidgetAcc*>(pItem->GetWidgetData()); if (!pAcc) { return FALSE; } return (XFA_LAYOUTRESULT)pAcc->FindSplitPos(iBlockIndex, fCalcHeightPos); } FX_BOOL CXFA_FFNotify::RunScript(CXFA_Node* pScript, CXFA_Node* pFormItem) { FX_BOOL bRet = FALSE; CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) { return bRet; } CXFA_WidgetAcc* pWidgetAcc = static_cast<CXFA_WidgetAcc*>(pFormItem->GetWidgetData()); if (!pWidgetAcc) { return bRet; } CXFA_EventParam EventParam; EventParam.m_eType = XFA_EVENT_Unknown; FXJSE_HVALUE pRetValue = NULL; int32_t iRet = pWidgetAcc->ExecuteScript(CXFA_Script(pScript), &EventParam, &pRetValue); if (iRet == XFA_EVENTERROR_Success && pRetValue) { bRet = FXJSE_Value_ToBoolean(pRetValue); FXJSE_Value_Release(pRetValue); } return bRet; } int32_t CXFA_FFNotify::ExecEventByDeepFirst(CXFA_Node* pFormNode, XFA_EVENTTYPE eEventType, FX_BOOL bIsFormReady, FX_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() : NULL); } void CXFA_FFNotify::AddCalcValidate(CXFA_Node* pNode) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) { return; } CXFA_WidgetAcc* pWidgetAcc = static_cast<CXFA_WidgetAcc*>(pNode->GetWidgetData()); if (!pWidgetAcc) { return; } pDocView->AddCalculateWidgetAcc(pWidgetAcc); pDocView->AddValidateWidget(pWidgetAcc); } CXFA_FFDoc* CXFA_FFNotify::GetHDOC() { return m_pDoc; } IXFA_DocProvider* CXFA_FFNotify::GetDocProvider() { return m_pDoc->GetDocProvider(); } 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() : NULL; } CXFA_FFWidget* CXFA_FFNotify::GetHWidget(CXFA_LayoutItem* pLayoutItem) { return XFA_GetWidgetFromLayoutItem(pLayoutItem); } void CXFA_FFNotify::OpenDropDownList(CXFA_FFWidget* hWidget) { if (hWidget->GetDataAcc()->GetUIType() != XFA_ELEMENT_ChoiceList) { return; } CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); pDocView->LockUpdate(); static_cast<CXFA_FFComboBox*>(hWidget)->OpenDropDownList(); pDocView->UnlockUpdate(); pDocView->UpdateDocView(); } CFX_WideString CXFA_FFNotify::GetCurrentDateTime() { CFX_Unitime dataTime; dataTime.Now(); CFX_WideString wsDateTime; wsDateTime.Format(L"%d%02d%02dT%02d%02d%02d", dataTime.GetYear(), dataTime.GetMonth(), dataTime.GetDay(), dataTime.GetHour(), dataTime.GetMinute(), dataTime.GetSecond()); return wsDateTime; } void CXFA_FFNotify::ResetData(CXFA_WidgetData* pWidgetData) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) { return; } pDocView->ResetWidgetData(static_cast<CXFA_WidgetAcc*>(pWidgetData)); } 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 NULL; } CXFA_WidgetAcc* pAcc = pDocView->GetFocusWidgetAcc(); return pAcc ? pAcc->GetNode() : NULL; } void CXFA_FFNotify::SetFocusWidgetNode(CXFA_Node* pNode) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) { return; } CXFA_WidgetAcc* pAcc = pNode ? static_cast<CXFA_WidgetAcc*>(pNode->GetWidgetData()) : nullptr; pDocView->SetFocusWidgetAcc(pAcc); } void CXFA_FFNotify::OnNodeReady(CXFA_Node* pNode) { CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); if (!pDocView) { return; } XFA_ELEMENT iType = pNode->GetClassID(); if (XFA_IsCreateWidget(iType)) { CXFA_WidgetAcc* pAcc = new CXFA_WidgetAcc(pDocView, pNode); pNode->SetObject(XFA_ATTRIBUTE_WidgetData, pAcc, &gs_XFADeleteWidgetAcc); return; } switch (iType) { case XFA_ELEMENT_BindItems: pDocView->m_BindItems.Add(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->GetPacketID() & XFA_XDPPACKET_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 = static_cast<CXFA_WidgetAcc*>(pSender->GetWidgetData()); if (!pWidgetAcc) return; CXFA_FFWidget* pWidget = nullptr; while ((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->GetPacketID() & XFA_XDPPACKET_Form)) { if (eAttr == XFA_ATTRIBUTE_Value) pDocView->AddCalculateNodeNotify(pSender); return; } XFA_ELEMENT ePType = pParentNode->GetClassID(); FX_BOOL bIsContainerNode = pParentNode->IsContainerNode(); CXFA_WidgetAcc* pWidgetAcc = static_cast<CXFA_WidgetAcc*>(pWidgetNode->GetWidgetData()); if (!pWidgetAcc) return; bool bUpdateProperty = false; pDocView->SetChangeMark(); switch (ePType) { 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 (ePType == XFA_ELEMENT_Value || bIsContainerNode) { if (bIsContainerNode) { pWidgetAcc->UpdateUIDisplay(); pDocView->AddCalculateWidgetAcc(pWidgetAcc); pDocView->AddValidateWidget(pWidgetAcc); } else if (pWidgetNode->GetNodeItem(XFA_NODEITEM_Parent)->GetClassID() == XFA_ELEMENT_ExclGroup) { pWidgetAcc->UpdateUIDisplay(); } return; } } CXFA_FFWidget* pWidget = nullptr; while ((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; } FX_BOOL bLayoutReady = !(pDocView->m_bInLayoutStatus) && (pDocView->GetLayoutStatus() == XFA_DOCVIEW_LAYOUTSTATUS_End); if (bLayoutReady) m_pDoc->GetDocProvider()->SetChangeMark(m_pDoc); } 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->GetDocProvider()->SetChangeMark(m_pDoc); } 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->GetDocProvider()->WidgetPostAdd(pWidget, pWidget->GetDataAcc()); } if (pDocView->GetLayoutStatus() != XFA_DOCVIEW_LAYOUTSTATUS_End || !(dwStatus & XFA_WidgetStatus_Visible)) { return; } if (pWidget->IsLoaded()) { CFX_RectF rtOld; pWidget->GetWidgetRect(rtOld); if (rtOld != pWidget->ReCacheWidgetRect()) pWidget->PerformLayout(); } else { pWidget->LoadWidget(); } pWidget->AddInvalidateRect(nullptr); } 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->GetDocProvider()->WidgetPreRemove(pWidget, pWidget->GetDataAcc()); pWidget->AddInvalidateRect(nullptr); }