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Diffstat (limited to 'WebCore/loader/CachedResourceHandle.h')
-rw-r--r-- | WebCore/loader/CachedResourceHandle.h | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/WebCore/loader/CachedResourceHandle.h b/WebCore/loader/CachedResourceHandle.h deleted file mode 100644 index 13c03c7..0000000 --- a/WebCore/loader/CachedResourceHandle.h +++ /dev/null @@ -1,92 +0,0 @@ -/* - * Copyright (C) 2008 Apple Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef CachedResourceHandle_h -#define CachedResourceHandle_h - -#include "CachedResource.h" - -namespace WebCore { - - class CachedResourceHandleBase { - public: - ~CachedResourceHandleBase() { if (m_resource) m_resource->unregisterHandle(this); } - CachedResource* get() const { return m_resource; } - - bool operator!() const { return !m_resource; } - - // This conversion operator allows implicit conversion to bool but not to other integer types. - typedef CachedResource* CachedResourceHandleBase::*UnspecifiedBoolType; - operator UnspecifiedBoolType() const { return m_resource ? &CachedResourceHandleBase::m_resource : 0; } - - protected: - CachedResourceHandleBase() : m_resource(0) {} - CachedResourceHandleBase(CachedResource* res) { m_resource = res; if (m_resource) m_resource->registerHandle(this); } - CachedResourceHandleBase(const CachedResourceHandleBase& o) : m_resource(o.m_resource) { if (m_resource) m_resource->registerHandle(this); } - - void setResource(CachedResource*); - - private: - CachedResourceHandleBase& operator=(const CachedResourceHandleBase&) { return *this; } - - friend class CachedResource; - - CachedResource* m_resource; - }; - - template <class R> class CachedResourceHandle : public CachedResourceHandleBase { - public: - CachedResourceHandle() { } - CachedResourceHandle(R* res) : CachedResourceHandleBase(res) { } - CachedResourceHandle(const CachedResourceHandle<R>& o) : CachedResourceHandleBase(o) { } - - R* get() const { return reinterpret_cast<R*>(CachedResourceHandleBase::get()); } - R* operator->() const { return get(); } - - CachedResourceHandle& operator=(R* res) { setResource(res); return *this; } - CachedResourceHandle& operator=(const CachedResourceHandle& o) { setResource(o.get()); return *this; } - bool operator==(const CachedResourceHandleBase& o) const { return get() == o.get(); } - bool operator!=(const CachedResourceHandleBase& o) const { return get() != o.get(); } - }; - - template <class R, class RR> bool operator==(const CachedResourceHandle<R>& h, const RR* res) - { - return h.get() == res; - } - template <class R, class RR> bool operator==(const RR* res, const CachedResourceHandle<R>& h) - { - return h.get() == res; - } - template <class R, class RR> bool operator!=(const CachedResourceHandle<R>& h, const RR* res) - { - return h.get() != res; - } - template <class R, class RR> bool operator!=(const RR* res, const CachedResourceHandle<R>& h) - { - return h.get() != res; - } -} - -#endif |