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fixes bug 321833 "Clearing the cache prevents disk cache from working" r=mconnor, alfredkayser

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This commit is contained in:
darin@meer.net 2007-10-02 20:35:28 -07:00
parent 5e00cb978a
commit 3aeb854c1a
1 changed files with 0 additions and 41 deletions
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41
browser/modules/Sanitizer.jsm
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@ -98,50 +98,9 @@ Sanitizer.prototype = {
const ci = Components.interfaces;
var cacheService = cc["@mozilla.org/network/cache-service;1"]
.getService(ci.nsICacheService);
// Here we play dirty, trying to brutally wipe out all the cache files
// even if the disk cache device has gone away (if it is still with us,
// our removal attempt will fail because the directory is locked,
// and we fall back to the "nice" way below)
var cacheDir;
// Look at nsCacheProfilePrefObserver::ReadPrefs()
// and nsDiskCacheDevice::SetCacheParentDirectory()
// for details on how we guess the cache directory
try {
cacheDir = cc["@mozilla.org/preferences-service;1"]
.getService(ci.nsIPrefBranch)
.getComplexValue("browser.cache.disk.parent_directory",
ci.nsILocalFile);
} catch(er) {
const dirServ = cc["@mozilla.org/file/directory_service;1"]
.getService(ci.nsIProperties);
try {
cacheDir = dirServ.get("cachePDir",ci.nsILocalFile);
} catch(er) {
cacheDir = dirServ.get("ProfLD",ci.nsILocalFile);
}
}
if (cacheDir) {
// Here we try to prevent the "phantom Cache.Trash" issue
// reported in bug #296256
cacheDir.append("Cache.Trash");
try {
cacheDir.remove(true);
} catch(er) {}
cacheDir = cacheDir.parent;
cacheDir.append("Cache");
try {
cacheDir.remove(true);
} catch(er) {}
}
try {
// The "nice" way
cacheService.evictEntries(ci.nsICache.STORE_ANYWHERE);
} catch(er) {}
},
get canClear()