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PL286/external/pdfium/xfa/fxfa/app/xfa_ffnotify.cpp

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// 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 "fxjs/cfxjse_value.h"
#include "xfa/fxfa/app/cxfa_textlayout.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/xfa_ffapp.h"
#include "xfa/fxfa/xfa_ffdoc.h"
#include "xfa/fxfa/xfa_ffdocview.h"
#include "xfa/fxfa/xfa_ffpageview.h"
#include "xfa/fxfa/xfa_ffwidget.h"
#include "xfa/fxfa/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)) != nullptr) {
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)) != nullptr) {
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->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 = 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(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,
FX_FLOAT& fCalcWidth,
FX_FLOAT& fCalcHeight) {
CXFA_WidgetAcc* pAcc = static_cast<CXFA_WidgetAcc*>(pItem->GetWidgetData());
if (!pAcc)
return;
pAcc->StartWidgetLayout(fCalcWidth, fCalcHeight);
}
bool CXFA_FFNotify::FindSplitPos(CXFA_Node* pItem,
int32_t iBlockIndex,
FX_FLOAT& fCalcHeightPos) {
CXFA_WidgetAcc* pAcc = static_cast<CXFA_WidgetAcc*>(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 =
static_cast<CXFA_WidgetAcc*>(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 =
static_cast<CXFA_WidgetAcc*>(pNode->GetWidgetData());
if (!pWidgetAcc) {
return;
}
pDocView->AddCalculateWidgetAcc(pWidgetAcc);
pDocView->AddValidateWidget(pWidgetAcc);
}
CXFA_FFDoc* CXFA_FFNotify::GetHDOC() {
return m_pDoc;
}
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();
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 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 ? 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 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 =
static_cast<CXFA_WidgetAcc*>(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 =
static_cast<CXFA_WidgetAcc*>(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);
}
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);
}
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);
}