Split apart remaining xfa/fxfa/app files

This CL splits the remaining files in xfa/fxfa/app into individual files
named after the classes.

Change-Id: I84bd8938937641bb6897614ed15558a2682f456c
Reviewed-on: https://pdfium-review.googlesource.com/6010
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

1 files changed, 210 insertions, 0 deletions

diff --git a/xfa/fxfa/app/cxfa_fflistbox.cpp b/xfa/fxfa/app/cxfa_fflistbox.cpp
new file mode 100644
index 0000000000..dd80325c34
--- /dev/null
+++ b/xfa/fxfa/app/cxfa_fflistbox.cpp
@@ -0,0 +1,210 @@
+// Copyright 2017 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_fflistbox.h"
+
+#include <algorithm>
+#include <utility>
+#include <vector>
+
+#include "xfa/fwl/cfwl_listbox.h"
+#include "xfa/fwl/cfwl_notedriver.h"
+#include "xfa/fwl/cfwl_widget.h"
+#include "xfa/fxfa/cxfa_eventparam.h"
+
+namespace {
+
+CFWL_ListBox* ToListBox(CFWL_Widget* widget) {
+  return static_cast<CFWL_ListBox*>(widget);
+}
+
+}  // namespace
+
+CXFA_FFListBox::CXFA_FFListBox(CXFA_WidgetAcc* pDataAcc)
+    : CXFA_FFField(pDataAcc), m_pOldDelegate(nullptr) {}
+
+CXFA_FFListBox::~CXFA_FFListBox() {
+  if (!m_pNormalWidget)
+    return;
+
+  CFWL_NoteDriver* pNoteDriver =
+      m_pNormalWidget->GetOwnerApp()->GetNoteDriver();
+  pNoteDriver->UnregisterEventTarget(m_pNormalWidget.get());
+}
+
+bool CXFA_FFListBox::LoadWidget() {
+  auto pNew = pdfium::MakeUnique<CFWL_ListBox>(
+      GetFWLApp(), pdfium::MakeUnique<CFWL_WidgetProperties>(), nullptr);
+  CFWL_ListBox* pListBox = pNew.get();
+  pListBox->ModifyStyles(FWL_WGTSTYLE_VScroll | FWL_WGTSTYLE_NoBackground,
+                         0xFFFFFFFF);
+  m_pNormalWidget = std::move(pNew);
+  m_pNormalWidget->SetLayoutItem(this);
+
+  CFWL_NoteDriver* pNoteDriver =
+      m_pNormalWidget->GetOwnerApp()->GetNoteDriver();
+  pNoteDriver->RegisterEventTarget(m_pNormalWidget.get(),
+                                   m_pNormalWidget.get());
+  m_pOldDelegate = m_pNormalWidget->GetDelegate();
+  m_pNormalWidget->SetDelegate(this);
+  m_pNormalWidget->LockUpdate();
+
+  for (const auto& label : m_pDataAcc->GetChoiceListItems(false))
+    pListBox->AddString(label.AsStringC());
+
+  uint32_t dwExtendedStyle = FWL_STYLEEXT_LTB_ShowScrollBarFocus;
+  if (m_pDataAcc->GetChoiceListOpen() == XFA_ATTRIBUTEENUM_MultiSelect)
+    dwExtendedStyle |= FWL_STYLEEXT_LTB_MultiSelection;
+
+  dwExtendedStyle |= GetAlignment();
+  m_pNormalWidget->ModifyStylesEx(dwExtendedStyle, 0xFFFFFFFF);
+  for (int32_t selected : m_pDataAcc->GetSelectedItems())
+    pListBox->SetSelItem(pListBox->GetItem(nullptr, selected), true);
+
+  m_pNormalWidget->UnlockUpdate();
+  return CXFA_FFField::LoadWidget();
+}
+
+bool CXFA_FFListBox::OnKillFocus(CXFA_FFWidget* pNewFocus) {
+  if (!ProcessCommittedData())
+    UpdateFWLData();
+
+  CXFA_FFField::OnKillFocus(pNewFocus);
+  return true;
+}
+
+bool CXFA_FFListBox::CommitData() {
+  auto* pListBox = ToListBox(m_pNormalWidget.get());
+  std::vector<int32_t> iSelArray;
+  int32_t iSels = pListBox->CountSelItems();
+  for (int32_t i = 0; i < iSels; ++i)
+    iSelArray.push_back(pListBox->GetSelIndex(i));
+
+  m_pDataAcc->SetSelectedItems(iSelArray, true, false, true);
+  return true;
+}
+
+bool CXFA_FFListBox::IsDataChanged() {
+  std::vector<int32_t> iSelArray = m_pDataAcc->GetSelectedItems();
+  int32_t iOldSels = pdfium::CollectionSize<int32_t>(iSelArray);
+  auto* pListBox = ToListBox(m_pNormalWidget.get());
+  int32_t iSels = pListBox->CountSelItems();
+  if (iOldSels != iSels)
+    return true;
+
+  for (int32_t i = 0; i < iSels; ++i) {
+    CFWL_ListItem* hlistItem = pListBox->GetItem(nullptr, iSelArray[i]);
+    if (!(hlistItem->GetStates() & FWL_ITEMSTATE_LTB_Selected))
+      return true;
+  }
+  return false;
+}
+
+uint32_t CXFA_FFListBox::GetAlignment() {
+  CXFA_Para para = m_pDataAcc->GetPara();
+  if (!para)
+    return 0;
+
+  uint32_t dwExtendedStyle = 0;
+  switch (para.GetHorizontalAlign()) {
+    case XFA_ATTRIBUTEENUM_Center:
+      dwExtendedStyle |= FWL_STYLEEXT_LTB_CenterAlign;
+      break;
+    case XFA_ATTRIBUTEENUM_Justify:
+      break;
+    case XFA_ATTRIBUTEENUM_JustifyAll:
+      break;
+    case XFA_ATTRIBUTEENUM_Radix:
+      break;
+    case XFA_ATTRIBUTEENUM_Right:
+      dwExtendedStyle |= FWL_STYLEEXT_LTB_RightAlign;
+      break;
+    default:
+      dwExtendedStyle |= FWL_STYLEEXT_LTB_LeftAlign;
+      break;
+  }
+  return dwExtendedStyle;
+}
+
+bool CXFA_FFListBox::UpdateFWLData() {
+  if (!m_pNormalWidget)
+    return false;
+
+  auto* pListBox = ToListBox(m_pNormalWidget.get());
+  std::vector<int32_t> iSelArray = m_pDataAcc->GetSelectedItems();
+  std::vector<CFWL_ListItem*> selItemArray(iSelArray.size());
+  std::transform(iSelArray.begin(), iSelArray.end(), selItemArray.begin(),
+                 [pListBox](int32_t val) { return pListBox->GetSelItem(val); });
+
+  pListBox->SetSelItem(pListBox->GetSelItem(-1), false);
+  for (CFWL_ListItem* pItem : selItemArray)
+    pListBox->SetSelItem(pItem, true);
+
+  m_pNormalWidget->Update();
+  return true;
+}
+
+void CXFA_FFListBox::OnSelectChanged(CFWL_Widget* pWidget) {
+  CXFA_EventParam eParam;
+  eParam.m_eType = XFA_EVENT_Change;
+  eParam.m_pTarget = m_pDataAcc.Get();
+  m_pDataAcc->GetValue(eParam.m_wsPrevText, XFA_VALUEPICTURE_Raw);
+
+  auto* pListBox = ToListBox(m_pNormalWidget.get());
+  int32_t iSels = pListBox->CountSelItems();
+  if (iSels > 0) {
+    CFWL_ListItem* item = pListBox->GetSelItem(0);
+    eParam.m_wsNewText = item ? item->GetText() : L"";
+  }
+  m_pDataAcc->ProcessEvent(XFA_ATTRIBUTEENUM_Change, &eParam);
+}
+
+void CXFA_FFListBox::SetItemState(int32_t nIndex, bool bSelected) {
+  auto* pListBox = ToListBox(m_pNormalWidget.get());
+  pListBox->SetSelItem(pListBox->GetSelItem(nIndex), bSelected);
+  m_pNormalWidget->Update();
+  AddInvalidateRect();
+}
+
+void CXFA_FFListBox::InsertItem(const CFX_WideStringC& wsLabel,
+                                int32_t nIndex) {
+  CFX_WideString wsTemp(wsLabel);
+  ToListBox(m_pNormalWidget.get())->AddString(wsTemp.AsStringC());
+  m_pNormalWidget->Update();
+  AddInvalidateRect();
+}
+
+void CXFA_FFListBox::DeleteItem(int32_t nIndex) {
+  auto* pListBox = ToListBox(m_pNormalWidget.get());
+  if (nIndex < 0)
+    pListBox->DeleteAll();
+  else
+    pListBox->DeleteString(pListBox->GetItem(nullptr, nIndex));
+
+  pListBox->Update();
+  AddInvalidateRect();
+}
+
+void CXFA_FFListBox::OnProcessMessage(CFWL_Message* pMessage) {
+  m_pOldDelegate->OnProcessMessage(pMessage);
+}
+
+void CXFA_FFListBox::OnProcessEvent(CFWL_Event* pEvent) {
+  CXFA_FFField::OnProcessEvent(pEvent);
+  switch (pEvent->GetType()) {
+    case CFWL_Event::Type::SelectChanged:
+      OnSelectChanged(m_pNormalWidget.get());
+      break;
+    default:
+      break;
+  }
+  m_pOldDelegate->OnProcessEvent(pEvent);
+}
+
+void CXFA_FFListBox::OnDrawWidget(CFX_Graphics* pGraphics,
+                                  const CFX_Matrix* pMatrix) {
+  m_pOldDelegate->OnDrawWidget(pGraphics, pMatrix);
+}