From 8c41b1bf9fb7dd525f3a6b81d38f61d83500894d Mon Sep 17 00:00:00 2001 From: tsepez Date: Wed, 28 Sep 2016 13:21:30 -0700 Subject: Revert "Rename CPDF_CountedObject to CFX_WeakPtr::Handle" This reverts commit fe0179ded8202939ea4f2b92a879b8dede7821ea. This is blocking incremental revision, will try again. Review-Url: https://codereview.chromium.org/2377033003 --- core/fpdfapi/fpdf_page/cpdf_countedobject.h | 47 +++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 core/fpdfapi/fpdf_page/cpdf_countedobject.h (limited to 'core/fpdfapi/fpdf_page/cpdf_countedobject.h') diff --git a/core/fpdfapi/fpdf_page/cpdf_countedobject.h b/core/fpdfapi/fpdf_page/cpdf_countedobject.h new file mode 100644 index 0000000000..c61e024589 --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_countedobject.h @@ -0,0 +1,47 @@ +// Copyright 2016 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_FPDFAPI_FPDF_PAGE_CPDF_COUNTEDOBJECT_H_ +#define CORE_FPDFAPI_FPDF_PAGE_CPDF_COUNTEDOBJECT_H_ + +#include "core/fpdfapi/fpdf_page/cpdf_pattern.h" +#include "core/fpdfapi/fpdf_page/include/cpdf_colorspace.h" +#include "core/fxcrt/include/fx_system.h" + +template +class CPDF_CountedObject { + public: + explicit CPDF_CountedObject(T* ptr) : m_nCount(1), m_pObj(ptr) {} + void reset(T* ptr) { // CAUTION: tosses prior ref counts. + m_nCount = 1; + m_pObj = ptr; + } + void clear() { // Now you're all weak ptrs ... + // Guard against accidental re-entry. + T* pObj = m_pObj; + m_pObj = nullptr; + delete pObj; + } + T* get() const { return m_pObj; } + T* AddRef() { + ASSERT(m_pObj); + ++m_nCount; + return m_pObj; + } + void RemoveRef() { + if (m_nCount) + --m_nCount; + } + size_t use_count() const { return m_nCount; } + + protected: + size_t m_nCount; + T* m_pObj; +}; +using CPDF_CountedColorSpace = CPDF_CountedObject; +using CPDF_CountedPattern = CPDF_CountedObject; + +#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_COUNTEDOBJECT_H_ -- cgit v1.2.3