Replace CFX_MapPtrTemplate with std::map.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1181593003.

7 files changed, 201 insertions, 276 deletions

diff --git a/fpdfsdk/src/formfiller/FFL_FormFiller.cpp b/fpdfsdk/src/formfiller/FFL_FormFiller.cpp
index 7f5ee2ffec..6b211f3b8f 100644
--- a/fpdfsdk/src/formfiller/FFL_FormFiller.cpp
+++ b/fpdfsdk/src/formfiller/FFL_FormFiller.cpp
@@ -28,23 +28,14 @@ CFFL_FormFiller::CFFL_FormFiller(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pAnno
 
 CFFL_FormFiller::~CFFL_FormFiller()
 {
-	FX_POSITION pos = m_Maps.GetStartPosition();
-	while (pos)
-	{
-		CPDFSDK_PageView * pPageView = NULL;
-		CPWL_Wnd* pWnd = NULL;
-		m_Maps.GetNextAssoc(pos, pPageView, pWnd);
-
-		if (pWnd)
-		{
-			CFFL_PrivateData* pData = (CFFL_PrivateData*)pWnd->GetAttachedData();
-			pWnd->Destroy();
-			delete pWnd;
-			delete pData;
-		}
-	}
-	m_Maps.RemoveAll();
-
+    for (auto& it : m_Maps) {
+        CPWL_Wnd* pWnd = it.second;
+        CFFL_PrivateData* pData = (CFFL_PrivateData*)pWnd->GetAttachedData();
+        pWnd->Destroy();
+        delete pWnd;
+        delete pData;
+    }
+    m_Maps.clear();
 }
 
 void CFFL_FormFiller::SetWindowRect(CPDFSDK_PageView* pPageView, const CPDF_Rect& rcWindow)
@@ -430,64 +421,53 @@ PWL_CREATEPARAM	CFFL_FormFiller::GetCreateParam()
 
 CPWL_Wnd* CFFL_FormFiller::GetPDFWindow(CPDFSDK_PageView* pPageView, FX_BOOL bNew)
 {
-	ASSERT(pPageView != NULL);
-	ASSERT(m_pWidget != NULL);
+    ASSERT(pPageView);
 
-	CPWL_Wnd* pWnd = NULL;
-	m_Maps.Lookup(pPageView, pWnd);
+    auto it = m_Maps.find(pPageView);
+    const bool found = it != m_Maps.end();
+    CPWL_Wnd* pWnd = found ? it->second : nullptr;
+    if (!bNew)
+        return pWnd;
 
-	if (bNew)
-	{
-		if (pWnd)
-		{
-			CFFL_PrivateData* pPrivateData = (CFFL_PrivateData*)pWnd->GetAttachedData();
-			ASSERT(pPrivateData != NULL);
+    if (found) {
+        CFFL_PrivateData* pPrivateData =
+            (CFFL_PrivateData*)pWnd->GetAttachedData();
+        if (pPrivateData->nWidgetAge != m_pWidget->GetAppearanceAge()) {
+            return ResetPDFWindow(
+                pPageView, m_pWidget->GetValueAge() == pPrivateData->nValueAge);
+      }
+    } else {
+      PWL_CREATEPARAM cp = GetCreateParam();
+      cp.hAttachedWnd = (FX_HWND)m_pWidget;
 
-			if (pPrivateData->nWidgetAge != m_pWidget->GetAppearanceAge())
-			{
-				return ResetPDFWindow(pPageView, m_pWidget->GetValueAge() == pPrivateData->nValueAge);
-			}
-		}
-		else
-		{
-			PWL_CREATEPARAM cp = GetCreateParam();
-			cp.hAttachedWnd = (FX_HWND)m_pWidget;
+      CFFL_PrivateData* pPrivateData = new CFFL_PrivateData;
+      pPrivateData->pWidget = m_pWidget;
+      pPrivateData->pPageView = pPageView;
+      pPrivateData->nWidgetAge = m_pWidget->GetAppearanceAge();
+      pPrivateData->nValueAge = 0;
 
-			CFFL_PrivateData* pPrivateData = new CFFL_PrivateData;
-			pPrivateData->pWidget = m_pWidget;
-			pPrivateData->pPageView = pPageView;
-			pPrivateData->nWidgetAge = m_pWidget->GetAppearanceAge();
-                        pPrivateData->nValueAge = 0;
+      cp.pAttachedData = pPrivateData;
 
-			cp.pAttachedData = pPrivateData;
+      pWnd = NewPDFWindow(cp, pPageView);
+      m_Maps[pPageView] = pWnd;
+    }
 
-			pWnd = NewPDFWindow(cp, pPageView);
-
-			if (pWnd)
-			{
-				m_Maps.SetAt(pPageView, pWnd);
-			}
-		}
-	}
-
-	return pWnd;
+    return pWnd;
 }
 
 void CFFL_FormFiller::DestroyPDFWindow(CPDFSDK_PageView* pPageView)
 {
-	CPWL_Wnd* pWnd = NULL;
-	m_Maps.Lookup(pPageView, pWnd);
+    auto it = m_Maps.find(pPageView);
+    if (it == m_Maps.end())
+        return;
 
-	if (pWnd)
-	{
-		CFFL_PrivateData* pData = (CFFL_PrivateData*)pWnd->GetAttachedData();
-		pData->pPageView = NULL;
-		pWnd->Destroy();
-		delete pWnd;
-		delete pData;
-	}
+    CPWL_Wnd* pWnd = it->second;
+    CFFL_PrivateData* pData = (CFFL_PrivateData*)pWnd->GetAttachedData();
+    pWnd->Destroy();
+    delete pWnd;
+    delete pData;
 
-	m_Maps.RemoveKey(pPageView);
+    m_Maps.erase(it);
 }
 
 CPDF_Matrix	CFFL_FormFiller::GetWindowMatrix(void* pAttachedData)
diff --git a/fpdfsdk/src/formfiller/FFL_IFormFiller.cpp b/fpdfsdk/src/formfiller/FFL_IFormFiller.cpp
index 464ff3ce6b..62090a5c08 100644
--- a/fpdfsdk/src/formfiller/FFL_IFormFiller.cpp
+++ b/fpdfsdk/src/formfiller/FFL_IFormFiller.cpp
@@ -28,15 +28,9 @@ CFFL_IFormFiller::CFFL_IFormFiller(CPDFDoc_Environment* pApp) :
 
 CFFL_IFormFiller::~CFFL_IFormFiller()
 {
-	FX_POSITION pos = m_Maps.GetStartPosition();
-	while (pos)
-	{
-		CPDFSDK_Annot * pAnnot = NULL;
-		CFFL_FormFiller * pFormFiller = NULL;
-		m_Maps.GetNextAssoc(pos,pAnnot,pFormFiller);
-		delete pFormFiller;
-	}
-	m_Maps.RemoveAll();
+    for (auto& it : m_Maps)
+        delete it.second;
+    m_Maps.clear();
 }
 
 FX_BOOL	CFFL_IFormFiller::Annot_HitTest(CPDFSDK_PageView* pPageView,CPDFSDK_Annot* pAnnot, CPDF_Point point)
@@ -645,53 +639,46 @@ FX_BOOL	CFFL_IFormFiller::IsFillingAllowed(CPDFSDK_Widget* pWidget)
 
 CFFL_FormFiller* CFFL_IFormFiller::GetFormFiller(CPDFSDK_Annot* pAnnot, FX_BOOL bRegister)
 {
-// 	ASSERT(pAnnot != NULL);
-// 	ASSERT(pAnnot->GetPDFAnnot()->GetSubType() == "Widget");
-
-	CFFL_FormFiller * pFormFiller = NULL;
-	m_Maps.Lookup(pAnnot, pFormFiller);
-
-	if (pFormFiller)
-		return pFormFiller;
-
-	if (bRegister)
-	{
-		CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
-
-		int nFieldType = pWidget->GetFieldType();
-		switch(nFieldType)
-		{
- 		case FIELDTYPE_PUSHBUTTON:
- 			pFormFiller = new CFFL_PushButton(m_pApp, pWidget);
- 			break;
-		case FIELDTYPE_CHECKBOX:
-			pFormFiller = new CFFL_CheckBox(m_pApp, pWidget);
-			break;
- 		case FIELDTYPE_RADIOBUTTON:
- 			pFormFiller = new CFFL_RadioButton(m_pApp, pWidget);
- 			break;
- 		case FIELDTYPE_TEXTFIELD:
-			pFormFiller = new CFFL_TextField(m_pApp, pWidget);
-			break;
-		case FIELDTYPE_LISTBOX:
-			pFormFiller = new CFFL_ListBox(m_pApp, pWidget);
-			break;
-		case FIELDTYPE_COMBOBOX:
-			pFormFiller = new CFFL_ComboBox(m_pApp, pWidget);
-			break;
-		case FIELDTYPE_UNKNOWN:
-		default:
-			pFormFiller = NULL;
-			break;
-		}
+    auto it = m_Maps.find(pAnnot);
+    if (it != m_Maps.end())
+        return it->second;
+
+    if (!bRegister)
+        return nullptr;
+
+    CPDFSDK_Widget* pWidget = (CPDFSDK_Widget*)pAnnot;
+    int nFieldType = pWidget->GetFieldType();
+    CFFL_FormFiller* pFormFiller;
+    switch (nFieldType) {
+        case FIELDTYPE_PUSHBUTTON:
+            pFormFiller = new CFFL_PushButton(m_pApp, pWidget);
+            break;
+        case FIELDTYPE_CHECKBOX:
+            pFormFiller = new CFFL_CheckBox(m_pApp, pWidget);
+            break;
+      case FIELDTYPE_RADIOBUTTON:
+            pFormFiller = new CFFL_RadioButton(m_pApp, pWidget);
+            break;
+      case FIELDTYPE_TEXTFIELD:
+            pFormFiller = new CFFL_TextField(m_pApp, pWidget);
+            break;
+      case FIELDTYPE_LISTBOX:
+            pFormFiller = new CFFL_ListBox(m_pApp, pWidget);
+            break;
+      case FIELDTYPE_COMBOBOX:
+            pFormFiller = new CFFL_ComboBox(m_pApp, pWidget);
+            break;
+      case FIELDTYPE_UNKNOWN:
+      default:
+            pFormFiller = nullptr;
+            break;
+    }
 
-		if (pFormFiller)
-		{
-			m_Maps.SetAt(pAnnot, pFormFiller);
-		}
-	}
+    if (!pFormFiller)
+        return nullptr;
 
-	return pFormFiller;
+    m_Maps[pAnnot] = pFormFiller;
+    return pFormFiller;
 }
 
 void CFFL_IFormFiller::RemoveFormFiller(CPDFSDK_Annot* pAnnot)
@@ -704,11 +691,12 @@ void CFFL_IFormFiller::RemoveFormFiller(CPDFSDK_Annot* pAnnot)
 
 void CFFL_IFormFiller::UnRegisterFormFiller(CPDFSDK_Annot* pAnnot)
 {
-    CFFL_FormFiller* pFormFiller = nullptr;
-    if (m_Maps.Lookup(pAnnot,pFormFiller)) {
-        delete pFormFiller;
-        m_Maps.RemoveKey(pAnnot);
-    }
+    auto it = m_Maps.find(pAnnot);
+    if (it == m_Maps.end())
+        return;
+
+    delete it->second;
+    m_Maps.erase(it);
 }
 
 void CFFL_IFormFiller::SetFocusAnnotTab(CPDFSDK_Annot* pWidget, FX_BOOL bSameField, FX_BOOL bNext)
diff --git a/fpdfsdk/src/formfiller/FFL_ListBox.cpp b/fpdfsdk/src/formfiller/FFL_ListBox.cpp
index 4622d4fcef..28dcf340ad 100644
--- a/fpdfsdk/src/formfiller/FFL_ListBox.cpp
+++ b/fpdfsdk/src/formfiller/FFL_ListBox.cpp
@@ -75,7 +75,7 @@ CPWL_Wnd* CFFL_ListBox::NewPDFWindow(const PWL_CREATEPARAM& cp, CPDFSDK_PageView
 
 	if (pWnd->HasFlag(PLBS_MULTIPLESEL))
 	{
-		m_OriginSelections.RemoveAll();
+		m_OriginSelections.clear();
 
 		FX_BOOL bSetCaret = FALSE;
 		for (int32_t i=0,sz=m_pWidget->CountOptions(); i<sz; i++)
@@ -88,7 +88,7 @@ CPWL_Wnd* CFFL_ListBox::NewPDFWindow(const PWL_CREATEPARAM& cp, CPDFSDK_PageView
 					bSetCaret = TRUE;
 				}
 				pWnd->Select(i);
-				m_OriginSelections.SetAt(i, NULL);
+				m_OriginSelections.insert(i);
 			}
 		}
 	}
@@ -115,36 +115,26 @@ FX_BOOL	CFFL_ListBox::OnChar(CPDFSDK_Annot* pAnnot, FX_UINT nChar, FX_UINT nFlag
 	return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
 }
 
-FX_BOOL	CFFL_ListBox::IsDataChanged(CPDFSDK_PageView* pPageView)
+FX_BOOL CFFL_ListBox::IsDataChanged(CPDFSDK_PageView* pPageView)
 {
-	ASSERT(m_pWidget != NULL);
-
-	if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE))
-	{
-		if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT)
-		{
-			int nSelCount = 0;
-			for (int32_t i=0,sz=pListBox->GetCount(); i<sz; i++)
-			{
-				if (pListBox->IsItemSelected(i))
-				{
-					void* p = NULL;
-					if (!m_OriginSelections.Lookup(i, p))
-						return TRUE;
-
-					nSelCount++;
-				}
-			}
-
-			return nSelCount != m_OriginSelections.GetCount();
-		}
-		else
-		{
-			return pListBox->GetCurSel() != m_pWidget->GetSelectedIndex(0);
-		}
-	}
-
-	return FALSE;
+    CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE);
+    if (!pListBox)
+        return FALSE;
+
+    if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) {
+        int nSelCount = 0;
+        for (int32_t i = 0, sz = pListBox->GetCount(); i < sz; ++i) {
+            if (pListBox->IsItemSelected(i)) {
+                if (m_OriginSelections.count(i) == 0)
+                    return TRUE;
+
+                nSelCount++;
+            }
+        }
+
+        return nSelCount != m_OriginSelections.size();
+    }
+    return pListBox->GetCurSel() != m_pWidget->GetSelectedIndex(0);
 }
 
 void CFFL_ListBox::SaveData(CPDFSDK_PageView* pPageView)
diff --git a/fpdfsdk/src/fpdfformfill.cpp b/fpdfsdk/src/fpdfformfill.cpp
index a8dfe7f7d7..9358c9e194 100644
--- a/fpdfsdk/src/fpdfformfill.cpp
+++ b/fpdfsdk/src/fpdfformfill.cpp
@@ -339,7 +339,6 @@ DLLEXPORT void STDCALL FORM_DoDocumentJSAction(FPDF_FORMHANDLE hHandle)
 		return;
 	if( CPDFSDK_Document* pSDKDoc = ((CPDFDoc_Environment*)hHandle)->GetCurrentDoc())
 	{
-		pSDKDoc->InitPageView();
 		if(((CPDFDoc_Environment*)hHandle)->IsJSInitiated())
 			pSDKDoc->ProcJavascriptFun();
 	}
diff --git a/fpdfsdk/src/fsdk_baseform.cpp b/fpdfsdk/src/fsdk_baseform.cpp
index 312d323581..d3742520fa 100644
--- a/fpdfsdk/src/fsdk_baseform.cpp
+++ b/fpdfsdk/src/fsdk_baseform.cpp
@@ -1666,10 +1666,9 @@ CPDFSDK_InterForm::CPDFSDK_InterForm(CPDFSDK_Document* pDocument)
 
 CPDFSDK_InterForm::~CPDFSDK_InterForm()
 {
-	delete m_pInterForm;
-	m_pInterForm = NULL;
-
-	m_Map.RemoveAll();
+    delete m_pInterForm;
+    m_pInterForm = nullptr;
+    m_Map.clear();
 }
 
 FX_BOOL CPDFSDK_InterForm::HighlightWidgets()
@@ -1688,45 +1687,40 @@ CPDFSDK_Widget* CPDFSDK_InterForm::GetSibling(CPDFSDK_Widget* pWidget, FX_BOOL b
     return (CPDFSDK_Widget*)pIterator->GetPrevAnnot(pWidget);
 }
 
-CPDFSDK_Widget*	CPDFSDK_InterForm::GetWidget(CPDF_FormControl* pControl) const
+CPDFSDK_Widget* CPDFSDK_InterForm::GetWidget(CPDF_FormControl* pControl) const
 {
-	if(!pControl || !m_pInterForm) return NULL;
-
-	CPDFSDK_Widget* pWidget = NULL;
-	m_Map.Lookup(pControl, pWidget);
-
-	if (pWidget) return pWidget;
+    if (!pControl || !m_pInterForm)
+        return nullptr;
 
-	CPDF_Dictionary* pControlDict = pControl->GetWidget();
-	ASSERT(pControlDict != NULL);
+    CPDFSDK_Widget* pWidget = nullptr;
+    const auto it = m_Map.find(pControl);
+    if (it != m_Map.end())
+        pWidget = it->second;
 
-	ASSERT(m_pDocument != NULL);
-	CPDF_Document* pDocument = m_pDocument->GetDocument();
+    if (pWidget)
+        return pWidget;
 
-	CPDFSDK_PageView* pPage = NULL;
+    CPDF_Dictionary* pControlDict = pControl->GetWidget();
+    CPDF_Document* pDocument = m_pDocument->GetDocument();
+    CPDFSDK_PageView* pPage = nullptr;
 
-	if (CPDF_Dictionary* pPageDict = pControlDict->GetDict("P"))
-	{
-		int nPageIndex = pDocument->GetPageIndex(pPageDict->GetObjNum());
-		if (nPageIndex >= 0)
-		{
-			pPage = m_pDocument->GetPageView(nPageIndex);
-		}
-	}
-
-	if (!pPage)
-	{
-		int nPageIndex = GetPageIndexByAnnotDict(pDocument, pControlDict);
-		if (nPageIndex >= 0)
-		{
-			pPage = m_pDocument->GetPageView(nPageIndex);
-		}
-	}
+    if (CPDF_Dictionary* pPageDict = pControlDict->GetDict("P")) {
+        int nPageIndex = pDocument->GetPageIndex(pPageDict->GetObjNum());
+        if (nPageIndex >= 0) {
+            pPage = m_pDocument->GetPageView(nPageIndex);
+      }
+    }
 
-	if (pPage)
-		return (CPDFSDK_Widget*)pPage->GetAnnotByDict(pControlDict);
+    if (!pPage) {
+        int nPageIndex = GetPageIndexByAnnotDict(pDocument, pControlDict);
+        if (nPageIndex >= 0) {
+            pPage = m_pDocument->GetPageView(nPageIndex);
+        }
+    }
 
-	return NULL;
+    if (!pPage)
+        return nullptr;
+    return (CPDFSDK_Widget*)pPage->GetAnnotByDict(pControlDict);
 }
 
 void CPDFSDK_InterForm::GetWidgets(const CFX_WideString& sFieldName, CFX_PtrArray& widgets)
@@ -1786,12 +1780,12 @@ int CPDFSDK_InterForm::GetPageIndexByAnnotDict(CPDF_Document* pDocument, CPDF_Di
 
 void CPDFSDK_InterForm::AddMap(CPDF_FormControl* pControl, CPDFSDK_Widget* pWidget)
 {
-	m_Map.SetAt(pControl, pWidget);
+    m_Map[pControl] = pWidget;
 }
 
 void CPDFSDK_InterForm::RemoveMap(CPDF_FormControl* pControl)
 {
-	m_Map.RemoveKey(pControl);
+    m_Map.erase(pControl);
 }
 
 void CPDFSDK_InterForm::EnableCalculate(FX_BOOL bEnabled)
diff --git a/fpdfsdk/src/fsdk_mgr.cpp b/fpdfsdk/src/fsdk_mgr.cpp
index 5d4680d978..003753223f 100644
--- a/fpdfsdk/src/fsdk_mgr.cpp
+++ b/fpdfsdk/src/fsdk_mgr.cpp
@@ -317,14 +317,9 @@ CPDFSDK_Document::CPDFSDK_Document(CPDF_Document* pDoc,CPDFDoc_Environment* pEnv
 
 CPDFSDK_Document::~CPDFSDK_Document()
 {
-    FX_POSITION pos = m_pageMap.GetStartPosition();
-    while (pos) {
-        CPDF_Page* pPage = NULL;
-        CPDFSDK_PageView* pPageView = NULL;
-        m_pageMap.GetNextAssoc(pos, pPage, pPageView);
-        delete pPageView;
-    }
-    m_pageMap.RemoveAll();
+    for (auto& it : m_pageMap)
+        delete it.second;
+    m_pageMap.clear();
 
     delete m_pInterForm;
     m_pInterForm = nullptr;
@@ -333,36 +328,20 @@ CPDFSDK_Document::~CPDFSDK_Document()
     m_pOccontent = nullptr;
 }
 
-void CPDFSDK_Document::InitPageView()
-{
-	int nCount = m_pDoc->GetPageCount();
-	for(int i=0; i<nCount; i++)
-	{
-	// To do
-//		CPDF_Dictionary* pDic = m_pDoc->GetPage(i);
-//		m_pageMap.SetAt(pDic, pPageView);
-	}
-}
-
-void CPDFSDK_Document::AddPageView(CPDF_Page* pPDFPage, CPDFSDK_PageView* pPageView)
-{
-	m_pageMap.SetAt(pPDFPage, pPageView);
-}
-
 CPDFSDK_PageView* CPDFSDK_Document::GetPageView(CPDF_Page* pPDFPage, FX_BOOL ReNew)
 {
-	CPDFSDK_PageView* pPageView = (CPDFSDK_PageView*)m_pageMap.GetValueAt(pPDFPage);
-	if(pPageView != NULL)
-		return pPageView;
-	if(ReNew)
-	{
-		pPageView = new CPDFSDK_PageView(this,pPDFPage);
-		m_pageMap.SetAt(pPDFPage, pPageView);
-		//Delay to load all the annotations, to avoid endless loop.
-		pPageView->LoadFXAnnots();
-	}
-	return pPageView;
+    auto it = m_pageMap.find(pPDFPage);
+    if (it != m_pageMap.end())
+        return it->second;
 
+    if (!ReNew)
+        return nullptr;
+
+    CPDFSDK_PageView* pPageView = new CPDFSDK_PageView(this, pPDFPage);
+    m_pageMap[pPDFPage] = pPageView;
+    // Delay to load all the annotations, to avoid endless loop.
+    pPageView->LoadFXAnnots();
+    return pPageView;
 }
 
 CPDFSDK_PageView* CPDFSDK_Document::GetCurrentView()
@@ -373,16 +352,12 @@ CPDFSDK_PageView* CPDFSDK_Document::GetCurrentView()
 
 CPDFSDK_PageView* CPDFSDK_Document::GetPageView(int nIndex)
 {
-	CPDFSDK_PageView * pTempPageView = NULL;
-	CPDF_Page * pTempPage = (CPDF_Page*)m_pEnv->FFI_GetPage(m_pDoc,nIndex);
-	if(!pTempPage)
-		return NULL;
-
-	m_pageMap.Lookup(pTempPage, pTempPageView);
+    CPDF_Page* pTempPage = (CPDF_Page*)m_pEnv->FFI_GetPage(m_pDoc, nIndex);
+    if (!pTempPage)
+        return nullptr;
 
-	ASSERT(pTempPageView != NULL);
-
-	return pTempPageView;
+    auto it = m_pageMap.find(pTempPage);
+    return it->second;
 }
 
 void CPDFSDK_Document:: ProcJavascriptFun()
@@ -440,12 +415,16 @@ CPDF_OCContext*	CPDFSDK_Document::GetOCContext()
 
 void CPDFSDK_Document::ReMovePageView(CPDF_Page* pPDFPage)
 {
-	CPDFSDK_PageView* pPageView = (CPDFSDK_PageView*)m_pageMap.GetValueAt(pPDFPage);
-	if(pPageView && !pPageView->IsLocked())
-	{
-		delete pPageView;
-		m_pageMap.RemoveKey(pPDFPage);
-	}
+    auto it = m_pageMap.find(pPDFPage);
+    if (it == m_pageMap.end())
+        return;
+
+    CPDFSDK_PageView* pPageView = it->second;
+    if (pPageView->IsLocked())
+        return;
+
+    delete pPageView;
+    m_pageMap.erase(it);
 }
 
 CPDF_Page * CPDFSDK_Document::GetPage(int nIndex)
@@ -465,19 +444,12 @@ CPDFSDK_InterForm* CPDFSDK_Document::GetInterForm()
 
 void CPDFSDK_Document::UpdateAllViews(CPDFSDK_PageView* pSender, CPDFSDK_Annot* pAnnot)
 {
-
-	FX_POSITION pos = m_pageMap.GetStartPosition();
-	CPDF_Page * pPage = NULL;
-	CPDFSDK_PageView * pPageView = NULL;
-	while(pos)
-	{
-		m_pageMap.GetNextAssoc(pos, pPage, pPageView);
-
-		if(pPageView != pSender)
-		{
-			pPageView->UpdateView(pAnnot);
-		}
-	}
+    for (const auto& it : m_pageMap) {
+        CPDFSDK_PageView* pPageView = it.second;
+        if (pPageView != pSender) {
+            pPageView->UpdateView(pAnnot);
+        }
+    }
 }
 
 CPDFSDK_Annot* CPDFSDK_Document::GetFocusAnnot()
diff --git a/fpdfsdk/src/pdfwindow/PWL_Wnd.cpp b/fpdfsdk/src/pdfwindow/PWL_Wnd.cpp
index dcc6e409a4..89d4babcd7 100644
--- a/fpdfsdk/src/pdfwindow/PWL_Wnd.cpp
+++ b/fpdfsdk/src/pdfwindow/PWL_Wnd.cpp
@@ -4,6 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
+#include <map>
+
 #include "../../include/pdfwindow/PDFWindow.h"
 #include "../../include/pdfwindow/PWL_Wnd.h"
 #include "../../include/pdfwindow/PWL_Utils.h"
@@ -11,10 +13,10 @@
 
 /* -------------------------- CPWL_Timer -------------------------- */
 
-static CFX_MapPtrTemplate<int32_t, CPWL_Timer*>& GetPWLTimeMap()
+static std::map<int32_t, CPWL_Timer*>& GetPWLTimeMap()
 {
   // Leak the object at shutdown.
-  static auto timeMap = new CFX_MapPtrTemplate<int32_t, CPWL_Timer*>;
+  static auto timeMap = new std::map<int32_t, CPWL_Timer*>;
   return *timeMap;
 }
 
@@ -34,33 +36,33 @@ CPWL_Timer::~CPWL_Timer()
 
 int32_t CPWL_Timer::SetPWLTimer(int32_t nElapse)
 {
-	if (m_nTimerID != 0) KillPWLTimer();
-	m_nTimerID = m_pSystemHandler->SetTimer(nElapse, TimerProc);
-	GetPWLTimeMap().SetAt(m_nTimerID, this);
-	return m_nTimerID;
+    if (m_nTimerID != 0)
+        KillPWLTimer();
+    m_nTimerID = m_pSystemHandler->SetTimer(nElapse, TimerProc);
+
+    GetPWLTimeMap()[m_nTimerID] = this;
+    return m_nTimerID;
 }
 
 void CPWL_Timer::KillPWLTimer()
 {
-	if (m_nTimerID != 0)
-	{
-		m_pSystemHandler->KillTimer(m_nTimerID);
-		GetPWLTimeMap().RemoveKey(m_nTimerID);
-		m_nTimerID = 0;
-	}
+    if (m_nTimerID == 0)
+        return;
+
+    m_pSystemHandler->KillTimer(m_nTimerID);
+    GetPWLTimeMap().erase(m_nTimerID);
+    m_nTimerID = 0;
 }
 
 void CPWL_Timer::TimerProc(int32_t idEvent)
 {
-	CPWL_Timer* pTimer = NULL;
-	if (GetPWLTimeMap().Lookup(idEvent, pTimer))
-	{
-		if (pTimer)
-		{
-			if (pTimer->m_pAttached)
-				pTimer->m_pAttached->TimerProc();
-		}
-	}
+    auto it = GetPWLTimeMap().find(idEvent);
+    if (it == GetPWLTimeMap().end())
+        return;
+
+    CPWL_Timer* pTimer = it->second;
+    if (pTimer->m_pAttached)
+        pTimer->m_pAttached->TimerProc();
 }
 
 /* -------------------------- CPWL_TimerHandler -------------------------- */