nsIApplicationCacheService 编辑

netwerk/base/public/nsIApplicationCacheService.idlScriptable This interface manages the set of application cache groups that manage offline resources for web applications. 1.0 66 Introduced Gecko 1.9.1 Inherits from: nsISupports Last changed in Gecko 1.9.1 (Firefox 3.5 / Thunderbird 3.0 / SeaMonkey 2.0)

Method overview

void cacheOpportunistically(in nsIApplicationCache cache, in ACString key);

nsIApplicationCache chooseApplicationCache(in ACString key);

nsIApplicationCache createApplicationCache(in ACString group);

void deactivateGroup(in ACString group);

nsIApplicationCache getActiveCache(in ACString group);

nsIApplicationCache getApplicationCache(in ACString clientID);

void getGroups([optional] out unsigned long count, [array, size_is(count), retval] out string groupIDs);

Methods

cacheOpportunistically()

Flags the specified key as one that should be cached opportunistically.

Note: This method should propagate the entry to other application caches with the same opportunistic namespace; however, this is not currently implemented.

void cacheOpportunistically(
  in nsIApplicationCache cache,
  in ACString key
);

Parameters

cache

The cache in which the entry is currently cached.

key

The cache entry's key.

chooseApplicationCache()

Tries to find the best application cache to serve a specified resource.

nsIApplicationCache chooseApplicationCache(
  in ACString key
);

Parameters

key

The cache entry key for which to select an application cache.

Return value

The nsIApplicationCache best able to serve the resource indicated by the key parameter.

createApplicationCache()

Creates a new, empty application cache for the specified cache group.

nsIApplicationCache createApplicationCache(
  in ACString group
);

Parameters

group

The cache group for which to create an application cache.

Return value

The newly-created nsIApplicationCache.

deactivateGroup()

Deactivates the currently active cache object for the specified cache group.

void deactivateGroup(
  in ACString group
);

Parameters

group

The cache group to deactivate.

getActiveCache()

Returns the currently active cache object for a cache group.

nsIApplicationCache getActiveCache(
  in ACString group
);

Parameters

group

The cache group for which to return an application cache.

Return value

The currently active cache object for the cache group.

getApplicationCache()

Returns the nsIApplicationCache object for the specified client ID.

nsIApplicationCache getApplicationCache(
  in ACString clientID
);

Parameters

clientID

The client ID for which to return the application cache object.

Return value

The application cache object for the specified client ID.

getGroups()

Returns the list of application cache groups.

void getGroups(
  out unsigned long count, Optional
  [array, size_is(count), retval] out string groupIDs
);

Parameters

count Optional

The count of the application cache groups.

groupIDs

The list of application cache groups.

See also

• Offline resources in Firefox
• nsIApplicationCache
• nsIApplicationCacheContainer
• nsIApplicationCacheChannel
• nsIApplicationCacheNamespace
• nsIDOMOfflineResourceList