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- /*
- * DO NOT EDIT. THIS FILE IS GENERATED FROM nsICache.idl
- */
-
- #ifndef __gen_nsICache_h__
- #define __gen_nsICache_h__
-
-
- #ifndef __gen_nsISupports_h__
- #include "nsISupports.h"
- #endif
-
- /* For IDL files that don't want to include root IDL files. */
- #ifndef NS_NO_VTABLE
- #define NS_NO_VTABLE
- #endif
- typedef PRInt32 nsCacheStoragePolicy;
-
- typedef PRInt32 nsCacheAccessMode;
-
-
- /* starting interface: nsICache */
- #define NS_ICACHE_IID_STR "ec1c0063-197d-44bb-84ba-7525d50fc937"
-
- #define NS_ICACHE_IID \
- {0xec1c0063, 0x197d, 0x44bb, \
- { 0x84, 0xba, 0x75, 0x25, 0xd5, 0x0f, 0xc9, 0x37 }}
-
- /**
- * nsICache is a namespace for various cache constants. It does not represent
- * an actual object.
- */
- class NS_NO_VTABLE nsICache {
- public:
-
- NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICACHE_IID)
-
- /**
- * Access Modes
- *
- *
- * Mode Requested | Not Cached | Cached
- * ------------------------------------------------------------------------
- * READ | KEY_NOT_FOUND | NS_OK
- * | Mode = NONE | Mode = READ
- * | No Descriptor | Descriptor
- * ------------------------------------------------------------------------
- * WRITE | NS_OK | NS_OK (Cache service
- * | Mode = WRITE | Mode = WRITE dooms existing
- * | Descriptor | Descriptor cache entry)
- * ------------------------------------------------------------------------
- * READ_WRITE | NS_OK | NS_OK
- * (1st req.) | Mode = WRITE | Mode = READ_WRITE
- * | Descriptor | Descriptor
- * ------------------------------------------------------------------------
- * READ_WRITE | N/A | NS_OK
- * (Nth req.) | | Mode = READ
- * | | Descriptor
- * ------------------------------------------------------------------------
- *
- *
- * Access Requested:
- *
- * READ - I only want to READ, if there isn't an entry just fail
- * WRITE - I have something new I want to write into the cache, make
- * me a new entry and doom the old one, if any.
- * READ_WRITE - I want to READ, but I'm willing to update an existing
- * entry if necessary, or create a new one if none exists.
- *
- *
- * Access Granted:
- *
- * NONE - No descriptor is provided. You get zilch. Nada. Nothing.
- * READ - You can READ from this descriptor.
- * WRITE - You must WRITE to this descriptor because the cache entry
- * was just created for you.
- * READ_WRITE - You can READ the descriptor to determine if it's valid,
- * you may WRITE if it needs updating.
- *
- *
- * Comments:
- *
- * If you think that you might need to modify cached data or meta data,
- * then you must open a cache entry requesting WRITE access. Only one
- * cache entry descriptor, per cache entry, will be granted WRITE access.
- *
- * Usually, you will request READ_WRITE access in order to first test the
- * meta data and informational fields to determine if a write (ie. going
- * to the net) may actually be necessary. If you determine that it is
- * not, then you would mark the cache entry as valid (using MarkValid) and
- * then simply read the data from the cache.
- *
- * A descriptor granted WRITE access has exclusive access to the cache
- * entry up to the point at which it marks it as valid. Once the cache
- * entry has been "validated", other descriptors with READ access may be
- * opened to the cache entry.
- *
- * If you make a request for READ_WRITE access to a cache entry, the cache
- * service will downgrade your access to READ if there is already a
- * cache entry descriptor open with WRITE access.
- *
- * If you make a request for only WRITE access to a cache entry and another
- * descriptor with WRITE access is currently open, then the existing cache
- * entry will be 'doomed', and you will be given a descriptor (with WRITE
- * access only) to a new cache entry.
- *
- */
- enum { ACCESS_NONE = 0 };
-
- enum { ACCESS_READ = 1 };
-
- enum { ACCESS_WRITE = 2 };
-
- enum { ACCESS_READ_WRITE = 3 };
-
- /**
- * Storage Policy
- *
- * The storage policy of a cache entry determines the device(s) to which
- * it belongs. See nsICacheSession and nsICacheEntryDescriptor for more
- * details.
- *
- * STORE_ANYWHERE - Allows the cache entry to be stored in any device.
- * The cache service decides which cache device to use
- * based on "some resource management calculation."
- * STORE_IN_MEMORY - Requires the cache entry to reside in non-persistent
- * storage (ie. typically in system RAM).
- * STORE_ON_DISK - Requires the cache entry to reside in persistent
- * storage (ie. typically on a system's hard disk).
- * STORE_ON_DISK_AS_DISK - Requires the cache entry to reside in persistent
- * storage, and in a specific file.
- */
- enum { STORE_ANYWHERE = 0 };
-
- enum { STORE_IN_MEMORY = 1 };
-
- enum { STORE_ON_DISK = 2 };
-
- enum { STORE_ON_DISK_AS_FILE = 3 };
-
- /**
- * All entries for a cache session are stored as streams of data or
- * as objects. These constant my be used to specify the type of entries
- * when calling nsICacheService::CreateSession().
- */
- enum { NOT_STREAM_BASED = 0 };
-
- enum { STREAM_BASED = 1 };
-
- /**
- * The synchronous OpenCacheEntry() may be blocking or non-blocking. If a cache entry is
- * waiting to be validated by another cache descriptor (so no new cache descriptors for that
- * key can be created, OpenCacheEntry() will return NS_ERROR_CACHE_WAIT_FOR_VALIDATION in
- * non-blocking mode. In blocking mode, it will wait until the cache entry for the key has
- * been validated or doomed. If the cache entry is validated, then a descriptor for that
- * entry will be created and returned. If the cache entry was doomed, then a descriptor
- * will be created for a new cache entry for the key.
- */
- enum { NON_BLOCKING = 0 };
-
- enum { BLOCKING = 1 };
-
- };
-
- /* Use this macro when declaring classes that implement this interface. */
- #define NS_DECL_NSICACHE \
-
- /* Use this macro to declare functions that forward the behavior of this interface to another object. */
- #define NS_FORWARD_NSICACHE(_to) \
-
- /* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */
- #define NS_FORWARD_SAFE_NSICACHE(_to) \
-
- #if 0
- /* Use the code below as a template for the implementation class for this interface. */
-
- /* Header file */
- class nsCache : public nsICache
- {
- public:
- NS_DECL_ISUPPORTS
- NS_DECL_NSICACHE
-
- nsCache();
-
- private:
- ~nsCache();
-
- protected:
- /* additional members */
- };
-
- /* Implementation file */
- NS_IMPL_ISUPPORTS1(nsCache, nsICache)
-
- nsCache::nsCache()
- {
- /* member initializers and constructor code */
- }
-
- nsCache::~nsCache()
- {
- /* destructor code */
- }
-
- /* End of implementation class template. */
- #endif
-
- #include "nsNetError.h"
-
- #endif /* __gen_nsICache_h__ */
-