1 /* 2 * Copyright (C) 2008 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef ApplicationCache_h 27 #define ApplicationCache_h 28 29 #if ENABLE(OFFLINE_WEB_APPLICATIONS) 30 31 #include "PlatformString.h" 32 #include "StringHash.h" 33 #include <wtf/HashMap.h> 34 #include <wtf/HashSet.h> 35 #include <wtf/PassRefPtr.h> 36 #include <wtf/RefCounted.h> 37 38 namespace WebCore { 39 40 class ApplicationCacheGroup; 41 class ApplicationCacheResource; 42 class DocumentLoader; 43 class KURL; 44 45 struct ResourceRequest; 46 47 typedef Vector<std::pair<KURL, KURL> > FallbackURLVector; 48 49 class ApplicationCache : public RefCounted<ApplicationCache> { 50 public: create()51 static PassRefPtr<ApplicationCache> create() { return adoptRef(new ApplicationCache); } 52 ~ApplicationCache(); 53 54 void addResource(PassRefPtr<ApplicationCacheResource> resource); 55 unsigned removeResource(const String& url); 56 57 void setManifestResource(PassRefPtr<ApplicationCacheResource> manifest); manifestResource()58 ApplicationCacheResource* manifestResource() const { return m_manifest; } 59 60 void setGroup(ApplicationCacheGroup*); group()61 ApplicationCacheGroup* group() const { return m_group; } 62 63 bool isComplete() const; 64 65 ApplicationCacheResource* resourceForRequest(const ResourceRequest&); 66 ApplicationCacheResource* resourceForURL(const String& url); 67 68 void setOnlineWhitelist(const Vector<KURL>& onlineWhitelist); onlineWhitelist()69 const Vector<KURL>& onlineWhitelist() const { return m_onlineWhitelist; } 70 bool isURLInOnlineWhitelist(const KURL&); // There is an entry in online whitelist that has the same origin as the resource's URL and that is a prefix match for the resource's URL. 71 72 void setFallbackURLs(const FallbackURLVector&); fallbackURLs()73 const FallbackURLVector& fallbackURLs() const { return m_fallbackURLs; } 74 bool urlMatchesFallbackNamespace(const KURL&, KURL* fallbackURL = 0); 75 76 #ifndef NDEBUG 77 void dump(); 78 #endif 79 80 typedef HashMap<String, RefPtr<ApplicationCacheResource> > ResourceMap; begin()81 ResourceMap::const_iterator begin() const { return m_resources.begin(); } end()82 ResourceMap::const_iterator end() const { return m_resources.end(); } 83 setStorageID(unsigned storageID)84 void setStorageID(unsigned storageID) { m_storageID = storageID; } storageID()85 unsigned storageID() const { return m_storageID; } 86 void clearStorageID(); 87 88 static bool requestIsHTTPOrHTTPSGet(const ResourceRequest&); 89 estimatedSizeInStorage()90 int64_t estimatedSizeInStorage() const { return m_estimatedSizeInStorage; } 91 92 private: 93 ApplicationCache(); 94 95 ApplicationCacheGroup* m_group; 96 ResourceMap m_resources; 97 ApplicationCacheResource* m_manifest; 98 99 Vector<KURL> m_onlineWhitelist; 100 FallbackURLVector m_fallbackURLs; 101 102 // The total size of the resources belonging to this Application Cache instance. 103 // This is an estimation of the size this Application Cache occupies in the 104 // database file. 105 int64_t m_estimatedSizeInStorage; 106 107 unsigned m_storageID; 108 }; 109 110 } // namespace WebCore 111 112 #endif // ENABLE(OFFLINE_WEB_APPLICATIONS) 113 114 #endif // ApplicationCache_h 115