Remove CFX_PtrList from renderer main loop.

core/include/fpdfapi/fpdf_page.h

 // 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
 
 #ifndef CORE_INCLUDE_FPDFAPI_FPDF_PAGE_H_
 #define CORE_INCLUDE_FPDFAPI_FPDF_PAGE_H_
 
+#include <list>
 #include <memory>
 
 #include "core/include/fpdfapi/fpdf_parser.h"
 #include "core/include/fpdfapi/fpdf_resource.h"
 #include "core/include/fxge/fx_dib.h"
 
 class CPDF_Page;
 class CPDF_Form;
 class CPDF_ParseOptions;
 class CPDF_PageObject;
 class CPDF_PageRenderCache;
 class CPDF_StreamFilter;
 class CPDF_AllStates;
 class CPDF_ContentParser;
 class CPDF_StreamContentParser;
 
 #define PDFTRANS_GROUP 0x0100
 #define PDFTRANS_ISOLATED 0x0200
 #define PDFTRANS_KNOCKOUT 0x0400
 
-class CPDF_PageObjectList : public CFX_PtrList {
+class CPDF_PageObjectList : public std::list<std::unique_ptr<CPDF_PageObject>> {
  public:
-  explicit CPDF_PageObjectList(int nBlockSize) : CFX_PtrList(nBlockSize) {}
-
-  CPDF_PageObject* GetNextObject(FX_POSITION& pos) const {
-    return static_cast<CPDF_PageObject*>(GetNext(pos));
-  }
-
-  CPDF_PageObject* GetPrevObject(FX_POSITION& pos) const {
-    return static_cast<CPDF_PageObject*>(GetPrev(pos));
-  }
-
-  CPDF_PageObject* GetObjectAt(FX_POSITION pos) const {
-    return static_cast<CPDF_PageObject*>(GetAt(pos));
-  }
-
   // Linear complexity, to be avoided except as needed by public APIs.
-  CPDF_PageObject* GetObjectByIndex(int index) const;
-
-  FX_POSITION InsertObject(FX_POSITION posInsertAfter,
-                           CPDF_PageObject* pNewObject);
+  CPDF_PageObject* GetPageObjectByIndex(int index);
 };
 
 class CPDF_PageObjectHolder {
  public:
   CPDF_PageObjectHolder();
-  ~CPDF_PageObjectHolder();
 
   void ContinueParse(IFX_Pause* pPause);
   FX_BOOL IsParsed() const { return m_ParseState == CONTENT_PARSED; }
 
   CPDF_PageObjectList* GetPageObjectList() { return &m_PageObjectList; }
   const CPDF_PageObjectList* GetPageObjectList() const {
     return &m_PageObjectList;
   }
 
   FX_BOOL BackgroundAlphaNeeded() const { return m_bBackgroundAlphaNeeded; }
@@ skipping 91 matching lines @@
   void ParseContent(CPDF_AllStates* pGraphicStates,
                     CFX_Matrix* pParentMatrix,
                     CPDF_Type3Char* pType3Char,
                     CPDF_ParseOptions* pOptions,
                     int level = 0);
 
   CPDF_Form* Clone() const;
 };
 class CPDF_PageContentGenerator {
  public:
-  CPDF_PageContentGenerator(CPDF_Page* pPage);
-  ~CPDF_PageContentGenerator();
+  explicit CPDF_PageContentGenerator(CPDF_Page* pPage);
+
   FX_BOOL InsertPageObject(CPDF_PageObject* pPageObject);
   void GenerateContent();
   void TransformContent(CFX_Matrix& matrix);
 
  private:
   void ProcessImage(CFX_ByteTextBuf& buf, CPDF_ImageObject* pImageObj);
   void ProcessForm(CFX_ByteTextBuf& buf,
                    const uint8_t* data,
                    FX_DWORD size,
                    CFX_Matrix& matrix);
   CFX_ByteString RealizeResource(CPDF_Object* pResourceObj,
                                  const FX_CHAR* szType);
 
   CPDF_Page* m_pPage;
   CPDF_Document* m_pDocument;
   CFX_ArrayTemplate<CPDF_PageObject*> m_pageObjects;
 };
 
 #endif  // CORE_INCLUDE_FPDFAPI_FPDF_PAGE_H_