1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef PageURLRecord_h 30 #define PageURLRecord_h 31 32 #include "PlatformString.h" 33 34 #include <wtf/Noncopyable.h> 35 #include <wtf/RefPtr.h> 36 37 namespace WebCore { 38 39 class IconRecord; 40 41 class PageURLSnapshot { 42 public: PageURLSnapshot()43 PageURLSnapshot() { } 44 PageURLSnapshot(const String & pageURL,const String & iconURL)45 PageURLSnapshot(const String& pageURL, const String& iconURL) 46 : m_pageURL(pageURL) 47 , m_iconURL(iconURL) 48 { } 49 pageURL()50 const String& pageURL() const { return m_pageURL; } iconURL()51 const String& iconURL() const { return m_iconURL; } 52 53 private: 54 String m_pageURL; 55 String m_iconURL; 56 }; 57 58 class PageURLRecord { 59 WTF_MAKE_NONCOPYABLE(PageURLRecord); WTF_MAKE_FAST_ALLOCATED; 60 public: 61 PageURLRecord(const String& pageURL); 62 ~PageURLRecord(); 63 url()64 inline String url() const { return m_pageURL; } 65 66 void setIconRecord(PassRefPtr<IconRecord>); iconRecord()67 IconRecord* iconRecord() { return m_iconRecord.get(); } 68 69 PageURLSnapshot snapshot(bool forDeletion = false) const; 70 71 // Returns false if the page wasn't retained beforehand, true if the retain count was already 1 or higher retain()72 inline bool retain() { return m_retainCount++; } 73 74 // Returns true if the page is still retained after the call. False if the retain count just dropped to 0 release()75 inline bool release() 76 { 77 ASSERT(m_retainCount > 0); 78 return --m_retainCount; 79 } 80 retainCount()81 inline int retainCount() const { return m_retainCount; } 82 private: 83 String m_pageURL; 84 RefPtr<IconRecord> m_iconRecord; 85 int m_retainCount; 86 }; 87 88 } 89 90 #endif // PageURLRecord_h 91