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      1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef WEBKIT_BROWSER_APPCACHE_APPCACHE_ENTRY_H_
      6 #define WEBKIT_BROWSER_APPCACHE_APPCACHE_ENTRY_H_
      7 
      8 #include "webkit/common/appcache/appcache_interfaces.h"
      9 
     10 namespace appcache {
     11 
     12 // A cached entry is identified by a URL and is classified into one
     13 // (or more) categories.  URL is not stored here as this class is stored
     14 // with the URL as a map key or the user of this class already knows the URL.
     15 class AppCacheEntry {
     16  public:
     17 
     18   // An entry can be of more than one type so use a bitmask.
     19   // Note: These bit values are stored on disk.
     20   enum Type {
     21     MASTER = 1 << 0,
     22     MANIFEST = 1 << 1,
     23     EXPLICIT = 1 << 2,
     24     FOREIGN = 1 << 3,
     25     FALLBACK = 1 << 4,
     26     INTERCEPT = 1 << 5,
     27     EXECUTABLE = 1 << 6,
     28   };
     29 
     30   AppCacheEntry()
     31     : types_(0), response_id_(kAppCacheNoResponseId), response_size_(0) {}
     32 
     33   explicit AppCacheEntry(int type)
     34     : types_(type), response_id_(kAppCacheNoResponseId), response_size_(0) {}
     35 
     36   AppCacheEntry(int type, int64 response_id)
     37     : types_(type), response_id_(response_id), response_size_(0) {}
     38 
     39   AppCacheEntry(int type, int64 response_id, int64 response_size)
     40     : types_(type), response_id_(response_id), response_size_(response_size) {}
     41 
     42   int types() const { return types_; }
     43   void add_types(int added_types) { types_ |= added_types; }
     44   bool IsMaster() const { return (types_ & MASTER) != 0; }
     45   bool IsManifest() const { return (types_ & MANIFEST) != 0; }
     46   bool IsExplicit() const { return (types_ & EXPLICIT) != 0; }
     47   bool IsForeign() const { return (types_ & FOREIGN) != 0; }
     48   bool IsFallback() const { return (types_ & FALLBACK) != 0; }
     49   bool IsIntercept() const { return (types_ & INTERCEPT) != 0; }
     50   bool IsExecutable() const { return (types_ & EXECUTABLE) != 0; }
     51 
     52   int64 response_id() const { return response_id_; }
     53   void set_response_id(int64 id) { response_id_ = id; }
     54   bool has_response_id() const { return response_id_ != kAppCacheNoResponseId; }
     55 
     56   int64 response_size() const { return response_size_; }
     57   void set_response_size(int64 size) { response_size_ = size; }
     58 
     59  private:
     60   int types_;
     61   int64 response_id_;
     62   int64 response_size_;
     63 };
     64 
     65 }  // namespace appcache
     66 
     67 #endif  // WEBKIT_APPCACHE_APPCACHE_RESOURCE_H_
     68