Cleanup CPDFXFA_Page.

xfa/fxfa/app/xfa_ffpageview.cpp

Index: xfa/fxfa/app/xfa_ffpageview.cpp
diff --git a/xfa/fxfa/app/xfa_ffpageview.cpp b/xfa/fxfa/app/xfa_ffpageview.cpp
index 62474b3e384056f7773ae0559366cbeede59b0cb..95c75feb20f4aba25d258bf237a36a744f17769a 100644
--- a/xfa/fxfa/app/xfa_ffpageview.cpp
+++ b/xfa/fxfa/app/xfa_ffpageview.cpp
@@ -19,49 +19,34 @@
 #include "xfa/fxfa/include/xfa_ffwidget.h"
 
 CXFA_FFPageView::CXFA_FFPageView(CXFA_FFDocView* pDocView, CXFA_Node* pPageArea)
-    : CXFA_ContainerLayoutItem(pPageArea),
-      m_pDocView(pDocView),
-      m_bLoaded(FALSE) {}
+    : CXFA_ContainerLayoutItem(pPageArea), m_pDocView(pDocView) {}
+
 CXFA_FFPageView::~CXFA_FFPageView() {}
-CXFA_FFDocView* CXFA_FFPageView::GetDocView() {
+
+CXFA_FFDocView* CXFA_FFPageView::GetDocView() const {
   return m_pDocView;
 }
-int32_t CXFA_FFPageView::GetPageViewIndex() {
+
+int32_t CXFA_FFPageView::GetPageViewIndex() const {
   return GetPageIndex();
 }
-void CXFA_FFPageView::GetPageViewRect(CFX_RectF& rtPage) {
+
+void CXFA_FFPageView::GetPageViewRect(CFX_RectF& rtPage) const {
   CFX_SizeF sz;
   GetPageSize(sz);
   rtPage.Set(0, 0, sz);
 }
 void CXFA_FFPageView::GetDisplayMatrix(CFX_Matrix& mt,
                                        const CFX_Rect& rtDisp,
-                                       int32_t iRotate) {
+                                       int32_t iRotate) const {
   CFX_SizeF sz;
   GetPageSize(sz);
   CFX_RectF fdePage;
   fdePage.Set(0, 0, sz.x, sz.y);
   FDE_GetPageMatrix(mt, fdePage, rtDisp, iRotate, 0);
 }
-int32_t CXFA_FFPageView::LoadPageView(IFX_Pause* pPause) {

[Lei Zhang, 2016/04/13 00:56:53]

Uhh.

-  if (m_bLoaded) {
-    return 100;
-  }
-  m_bLoaded = TRUE;
-  return 100;
-}
-void CXFA_FFPageView::UnloadPageView() {

[Lei Zhang, 2016/04/13 00:56:53]

Unused.

-  if (!m_bLoaded) {
-    return;
-  }
-}
-FX_BOOL CXFA_FFPageView::IsPageViewLoaded() {

[Lei Zhang, 2016/04/13 00:56:53]

Unused.

-  return m_bLoaded;
-}
+
 CXFA_FFWidget* CXFA_FFPageView::GetWidgetByPos(FX_FLOAT fx, FX_FLOAT fy) {

[Lei Zhang, 2016/04/13 00:56:53]

Oh, also unused.

-  if (!m_bLoaded) {
-    return nullptr;
-  }
   IXFA_WidgetIterator* pIterator = CreateWidgetIterator();
   CXFA_FFWidget* pWidget = nullptr;
   while ((pWidget = static_cast<CXFA_FFWidget*>(pIterator->MoveToNext()))) {
@@ -85,6 +70,7 @@ CXFA_FFWidget* CXFA_FFPageView::GetWidgetByPos(FX_FLOAT fx, FX_FLOAT fy) {
   pIterator->Release();
   return pWidget;
 }
+
 IXFA_WidgetIterator* CXFA_FFPageView::CreateWidgetIterator(
     uint32_t dwTraverseWay,
     uint32_t dwWidgetFilter) {
@@ -94,8 +80,9 @@ IXFA_WidgetIterator* CXFA_FFPageView::CreateWidgetIterator(
     case XFA_TRAVERSEWAY_Form:
       return new CXFA_FFPageWidgetIterator(this, dwWidgetFilter);
   }
-  return NULL;
+  return nullptr;
 }
+
 static FX_BOOL XFA_PageWidgetFilter(CXFA_FFWidget* pWidget,
                                     uint32_t dwFilter,
                                     FX_BOOL bTraversal,