1 files changed, 540 insertions, 0 deletions

diff --git a/xfa/fxfa/cxfa_ffnotify.cpp b/xfa/fxfa/cxfa_ffnotify.cpp
new file mode 100644
index 0000000000..27ff31c32e
--- /dev/null
+++ b/xfa/fxfa/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/cxfa_ffnotify.h"
+
+#include "fxjs/cfxjse_value.h"
+#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_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);
+}