diff options
Diffstat (limited to 'xfa/fxfa/app/cxfa_ffnotify.cpp')
| -rw-r--r-- | xfa/fxfa/app/cxfa_ffnotify.cpp | 540 |
1 files changed, 540 insertions, 0 deletions
diff --git a/xfa/fxfa/app/cxfa_ffnotify.cpp b/xfa/fxfa/app/cxfa_ffnotify.cpp new file mode 100644 index 0000000000..a660ffff12 --- /dev/null +++ b/xfa/fxfa/app/cxfa_ffnotify.cpp @@ -0,0 +1,540 @@ +// 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/cxfa_ffnotify.h" + +#include "fxjs/cfxjse_value.h" +#include "xfa/fxfa/app/cxfa_ffarc.h" +#include "xfa/fxfa/app/cxfa_ffbarcode.h" +#include "xfa/fxfa/app/cxfa_ffcheckbutton.h" +#include "xfa/fxfa/app/cxfa_ffcombobox.h" +#include "xfa/fxfa/app/cxfa_ffdatetimeedit.h" +#include "xfa/fxfa/app/cxfa_ffdraw.h" +#include "xfa/fxfa/app/cxfa_ffexclgroup.h" +#include "xfa/fxfa/app/cxfa_fffield.h" +#include "xfa/fxfa/app/cxfa_ffimage.h" +#include "xfa/fxfa/app/cxfa_ffimageedit.h" +#include "xfa/fxfa/app/cxfa_ffline.h" +#include "xfa/fxfa/app/cxfa_fflistbox.h" +#include "xfa/fxfa/app/cxfa_ffnumericedit.h" +#include "xfa/fxfa/app/cxfa_ffpasswordedit.h" +#include "xfa/fxfa/app/cxfa_ffpushbutton.h" +#include "xfa/fxfa/app/cxfa_ffrectangle.h" +#include "xfa/fxfa/app/cxfa_ffsignature.h" +#include "xfa/fxfa/app/cxfa_ffsubform.h" +#include "xfa/fxfa/app/cxfa_fftext.h" +#include "xfa/fxfa/app/cxfa_fwladapterwidgetmgr.h" +#include "xfa/fxfa/app/cxfa_textlayout.h" +#include "xfa/fxfa/app/cxfa_textprovider.h" +#include "xfa/fxfa/cxfa_ffapp.h" +#include "xfa/fxfa/cxfa_ffdoc.h" +#include "xfa/fxfa/cxfa_ffdocview.h" +#include "xfa/fxfa/cxfa_ffpageview.h" +#include "xfa/fxfa/cxfa_ffwidget.h" +#include "xfa/fxfa/cxfa_ffwidgethandler.h" +#include "xfa/fxfa/parser/cxfa_node.h" + +namespace { + +CXFA_WidgetAcc* ToWidgetAcc(void* data) { + return static_cast<CXFA_WidgetAcc*>(data); +} + +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 + +static void XFA_FFDeleteWidgetAcc(void* pData) { + delete ToWidgetAcc(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 wchar_t* pLabel, + const wchar_t* pValue, + int32_t iIndex) { + CXFA_WidgetAcc* pWidgetAcc = ToWidgetAcc(pSender); + if (pWidgetAcc->GetUIType() != XFA_Element::ChoiceList) + return; + + CXFA_FFWidget* pWidget = nullptr; + while ((pWidget = pWidgetAcc->GetNextWidget(pWidget)) != nullptr) { + if (pWidget->IsLoaded()) { + if (pWidgetAcc->IsListBox()) + ToListBox(pWidget)->InsertItem(pLabel, iIndex); + else + ToComboBox(pWidget)->InsertItem(pLabel, iIndex); + } + } +} + +void CXFA_FFNotify::OnWidgetListItemRemoved(CXFA_WidgetData* pSender, + int32_t iIndex) { + CXFA_WidgetAcc* pWidgetAcc = ToWidgetAcc(pSender); + if (pWidgetAcc->GetUIType() != XFA_Element::ChoiceList) + return; + + CXFA_FFWidget* pWidget = nullptr; + while ((pWidget = pWidgetAcc->GetNextWidget(pWidget)) != nullptr) { + if (pWidget->IsLoaded()) { + if (pWidgetAcc->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); + + CXFA_WidgetAcc* pAcc = ToWidgetAcc(pNode->GetWidgetData()); + if (!pAcc) + return new CXFA_ContentLayoutItem(pNode); + + CXFA_FFWidget* pWidget; + switch (pAcc->GetUIType()) { + case XFA_Element::Barcode: + pWidget = new CXFA_FFBarcode(pAcc); + break; + case XFA_Element::Button: + pWidget = new CXFA_FFPushButton(pAcc); + break; + case XFA_Element::CheckButton: + pWidget = new CXFA_FFCheckButton(pAcc); + break; + case XFA_Element::ChoiceList: { + if (pAcc->IsListBox()) + pWidget = new CXFA_FFListBox(pAcc); + else + pWidget = new CXFA_FFComboBox(pAcc); + } break; + case XFA_Element::DateTimeEdit: + pWidget = new CXFA_FFDateTimeEdit(pAcc); + break; + case XFA_Element::ImageEdit: + pWidget = new CXFA_FFImageEdit(pAcc); + break; + case XFA_Element::NumericEdit: + pWidget = new CXFA_FFNumericEdit(pAcc); + break; + case XFA_Element::PasswordEdit: + pWidget = new CXFA_FFPasswordEdit(pAcc); + break; + case XFA_Element::Signature: + pWidget = new CXFA_FFSignature(pAcc); + break; + case XFA_Element::TextEdit: + pWidget = new CXFA_FFTextEdit(pAcc); + break; + case XFA_Element::Arc: + pWidget = new CXFA_FFArc(pAcc); + break; + case XFA_Element::Line: + pWidget = new CXFA_FFLine(pAcc); + break; + case XFA_Element::Rectangle: + pWidget = new CXFA_FFRectangle(pAcc); + break; + case XFA_Element::Text: + pWidget = new CXFA_FFText(pAcc); + break; + case XFA_Element::Image: + pWidget = new CXFA_FFImage(pAcc); + break; + case XFA_Element::Draw: + pWidget = new CXFA_FFDraw(pAcc); + break; + case XFA_Element::Subform: + pWidget = new CXFA_FFSubForm(pAcc); + break; + case XFA_Element::ExclGroup: + pWidget = new CXFA_FFExclGroup(pAcc); + 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 = ToWidgetAcc(pItem->GetWidgetData()); + if (!pAcc) + return; + + pAcc->StartWidgetLayout(fCalcWidth, fCalcHeight); +} + +bool CXFA_FFNotify::FindSplitPos(CXFA_Node* pItem, + int32_t iBlockIndex, + float& fCalcHeightPos) { + CXFA_WidgetAcc* pAcc = ToWidgetAcc(pItem->GetWidgetData()); + return pAcc && pAcc->FindSplitPos(iBlockIndex, fCalcHeightPos); +} + +bool CXFA_FFNotify::RunScript(CXFA_Node* pScript, CXFA_Node* pFormItem) { + bool bRet = false; + CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); + if (!pDocView) + return bRet; + + CXFA_WidgetAcc* pWidgetAcc = ToWidgetAcc(pFormItem->GetWidgetData()); + if (!pWidgetAcc) + return bRet; + + CXFA_EventParam EventParam; + EventParam.m_eType = XFA_EVENT_Unknown; + CFXJSE_Value* pRetValue = nullptr; + int32_t iRet = + pWidgetAcc->ExecuteScript(CXFA_Script(pScript), &EventParam, &pRetValue); + if (iRet == XFA_EVENTERROR_Success && pRetValue) { + bRet = pRetValue->ToBoolean(); + delete pRetValue; + } + return 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 = ToWidgetAcc(pNode->GetWidgetData()); + 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->GetDataAcc()->GetUIType() != XFA_Element::ChoiceList) + return; + + CXFA_FFDocView* pDocView = m_pDoc->GetDocView(); + pDocView->LockUpdate(); + ToComboBox(hWidget)->OpenDropDownList(); + pDocView->UnlockUpdate(); + pDocView->UpdateDocView(); +} + +CFX_WideString CXFA_FFNotify::GetCurrentDateTime() { + CFX_DateTime 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(ToWidgetAcc(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 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 ? ToWidgetAcc(pNode->GetWidgetData()) : 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)) { + CXFA_WidgetAcc* pAcc = new CXFA_WidgetAcc(pDocView, pNode); + pNode->SetObject(XFA_ATTRIBUTE_WidgetData, pAcc, &gs_XFADeleteWidgetAcc); + return; + } + switch (eType) { + case XFA_Element::BindItems: + pDocView->m_BindItems.push_back(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 = ToWidgetAcc(pSender->GetWidgetData()); + if (!pWidgetAcc) + return; + + CXFA_FFWidget* pWidget = nullptr; + while ((pWidget = pWidgetAcc->GetNextWidget(pWidget)) != nullptr) { + 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 eType = pParentNode->GetElementType(); + bool bIsContainerNode = pParentNode->IsContainerNode(); + CXFA_WidgetAcc* pWidgetAcc = ToWidgetAcc(pWidgetNode->GetWidgetData()); + 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(); + pDocView->AddCalculateWidgetAcc(pWidgetAcc); + pDocView->AddValidateWidget(pWidgetAcc); + } else if (pWidgetNode->GetNodeItem(XFA_NODEITEM_Parent) + ->GetElementType() == XFA_Element::ExclGroup) { + pWidgetAcc->UpdateUIDisplay(); + } + return; + } + } + + CXFA_FFWidget* pWidget = nullptr; + while ((pWidget = pWidgetAcc->GetNextWidget(pWidget)) != nullptr) { + 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->GetDataAcc()); + } + 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(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->GetDocEnvironment()->WidgetPreRemove(pWidget, pWidget->GetDataAcc()); + pWidget->AddInvalidateRect(nullptr); +} |