Remove IWFL_WidgetMgr in favor of CFWL_WidgetMgr

xfa/fwl/core/fwl_widgetmgrimp.cpp

 // 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/fwl/core/fwl_widgetmgrimp.h"
 
 #include "xfa/fwl/core/cfwl_message.h"
 #include "xfa/fwl/core/fwl_appimp.h"
@@ skipping 18 matching lines @@
 }  // namespace
 
 FX_BOOL FWL_UseOffscreen(IFWL_Widget* pWidget) {
 #if (_FX_OS_ == _FX_MACOSX_)
   return FALSE;
 #else
   return pWidget->GetStyles() & FWL_WGTSTYLE_Offscreen;
 #endif
 }
 
-IFWL_WidgetMgr* FWL_GetWidgetMgr() {
+// static
+IFWL_WidgetMgr* IFWL_WidgetMgr::GetInstance() {
   IFWL_App* pApp = FWL_GetApp();
-  if (!pApp)
-    return NULL;
-  return pApp->GetWidgetMgr();
+  return pApp ? pApp->GetWidgetMgr() : nullptr;
 }
 
 CFWL_WidgetMgr::CFWL_WidgetMgr(CXFA_FFApp* pAdapterNative)
     : m_dwCapability(0),
       m_pDelegate(new CFWL_WidgetMgrDelegate(this)),
       m_pAdapter(pAdapterNative->GetWidgetMgr(m_pDelegate.get())) {
   ASSERT(m_pAdapter);
   m_mapWidgetItem[nullptr].reset(new CFWL_WidgetMgrItem);
 #if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
   m_rtScreen.Reset();
@@ skipping 355 matching lines @@
 void CFWL_WidgetMgr::NotifySizeChanged(IFWL_Widget* pForm,
                                        FX_FLOAT fx,
                                        FX_FLOAT fy) {
   if (FWL_UseOffscreen(pForm))
     GetWidgetMgrItem(pForm)->pOffscreen.reset();
 }
 
 IFWL_Widget* CFWL_WidgetMgr::nextTab(IFWL_Widget* parent,
                                      IFWL_Widget* focus,
                                      FX_BOOL& bFind) {
-  IFWL_Widget* child =
-      FWL_GetWidgetMgr()->GetWidget(parent, FWL_WGTRELATION_FirstChild);
+  IFWL_Widget* child = IFWL_WidgetMgr::GetInstance()->GetWidget(
+      parent, FWL_WGTRELATION_FirstChild);
   while (child) {
     if (focus == child) {
       bFind = TRUE;
     }
     if ((child->GetStyles() & FWL_WGTSTYLE_TabStop) &&
         (!focus || (focus != child && bFind))) {
       return child;
     }
     IFWL_Widget* bRet = nextTab(child, focus, bFind);
     if (bRet) {
       return bRet;
     }
-    child = FWL_GetWidgetMgr()->GetWidget(child, FWL_WGTRELATION_NextSibling);
+    child = IFWL_WidgetMgr::GetInstance()->GetWidget(
+        child, FWL_WGTRELATION_NextSibling);
   }
   return NULL;
 }
 int32_t CFWL_WidgetMgr::CountRadioButtonGroup(IFWL_Widget* pFirst) {
   int32_t iRet = 0;
   IFWL_Widget* pChild = pFirst;
   while (pChild)
     pChild = GetWidget(pChild, FWL_WGTRELATION_NextSibling);
   return iRet;
 }
@@ skipping 39 matching lines @@
     pNext = GetSiblingRadioButton(pNext, TRUE);
     if (!pNext)
       pNext = GetSiblingRadioButton(pFirst, TRUE);
   } while (pNext && ((pNext->GetStyles() & FWL_WGTSTYLE_Group) == 0));
 }
 IFWL_Widget* CFWL_WidgetMgr::GetDefaultButton(IFWL_Widget* pParent) {
   if ((pParent->GetClassID() == FWL_Type::PushButton) &&
       (pParent->GetStates() & (1 << (FWL_WGTSTATE_MAX + 2)))) {
     return pParent;
   }
-  IFWL_Widget* child =
-      FWL_GetWidgetMgr()->GetWidget(pParent, FWL_WGTRELATION_FirstChild);
+  IFWL_Widget* child = IFWL_WidgetMgr::GetInstance()->GetWidget(
+      pParent, FWL_WGTRELATION_FirstChild);
   while (child) {
     if ((child->GetClassID() == FWL_Type::PushButton) &&
         (child->GetStates() & (1 << (FWL_WGTSTATE_MAX + 2)))) {
       return child;
     }
     IFWL_Widget* find = GetDefaultButton(child);
     if (find) {
       return find;
     }
-    child = FWL_GetWidgetMgr()->GetWidget(child, FWL_WGTRELATION_NextSibling);
+    child = IFWL_WidgetMgr::GetInstance()->GetWidget(
+        child, FWL_WGTRELATION_NextSibling);
   }
   return NULL;
 }
 void CFWL_WidgetMgr::AddRedrawCounts(IFWL_Widget* pWidget) {
   CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget);
   (pItem->iRedrawCounter)++;
 }
 void CFWL_WidgetMgr::ResetRedrawCounts(IFWL_Widget* pWidget) {
   CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget);
   pItem->iRedrawCounter = 0;
@@ skipping 253 matching lines @@
     pItem->iRedrawCounter = 0;
     return TRUE;
   }
   CFX_RectF rtWidget;
   pWidget->GetWidgetRect(rtWidget);
   rtWidget.left = rtWidget.top = 0;
   pMatrix->TransformRect(rtWidget);
   if (!rtWidget.IntersectWith(rtDirty))
     return FALSE;
 
-  IFWL_Widget* pChild =
-      FWL_GetWidgetMgr()->GetWidget(pWidget, FWL_WGTRELATION_FirstChild);
+  IFWL_Widget* pChild = IFWL_WidgetMgr::GetInstance()->GetWidget(
+      pWidget, FWL_WGTRELATION_FirstChild);
   if (!pChild)
     return TRUE;
 
   CFX_RectF rtChilds;
   rtChilds.Empty();
   FX_BOOL bChildIntersectWithDirty = FALSE;
   FX_BOOL bOrginPtIntersectWidthChild = FALSE;
   FX_BOOL bOrginPtIntersectWidthDirty =
       rtDirty.Contains(rtWidget.left, rtWidget.top);
   static FWL_NEEDREPAINTHITDATA hitPoint[kNeedRepaintHitPoints];
@@ skipping 38 matching lines @@
     for (int32_t i = 0; i < kNeedRepaintHitPoints; i++) {
       if (hitPoint[i].bNotContainByDirty || hitPoint[i].bNotNeedRepaint)
         continue;
       if (!rtDirty.Contains(hitPoint[i].hitPoint)) {
         hitPoint[i].bNotContainByDirty = true;
         continue;
       }
       if (r.Contains(hitPoint[i].hitPoint))
         hitPoint[i].bNotNeedRepaint = true;
     }
-  } while ((pChild = FWL_GetWidgetMgr()->GetWidget(
+  } while ((pChild = IFWL_WidgetMgr::GetInstance()->GetWidget(
                 pChild, FWL_WGTRELATION_NextSibling)) != NULL);
 
   if (!bChildIntersectWithDirty)
     return TRUE;
   if (bOrginPtIntersectWidthDirty && !bOrginPtIntersectWidthChild)
     return TRUE;
   if (rtChilds.IsEmpty())
     return TRUE;
 
   int32_t repaintPoint = kNeedRepaintHitPoints;
@@ skipping 23 matching lines @@
     temp.Deflate(50, 50);
     if (!temp.Contains(r))
       return FALSE;
 
     pItem->bOutsideChanged = FALSE;
   }
 #endif
 
   return pItem->iRedrawCounter == 0;
 }