gecko-dev/suite/common/pref/pref-cache.js
2006-05-17 02:34:09 +00:00

101 lines
3.0 KiB
JavaScript

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
*/
const nsIFilePicker = Components.interfaces.nsIFilePicker;
const nsILocalFile = Components.interfaces.nsILocalFile;
const nsIFile = Components.interfaces.nsIFile;
const nsIProperties = Components.interfaces.nsIProperties;
const kCacheParentDirPref = "browser.cache.disk.parent_directory";
function Startup()
{
var path = null;
var pref = null;
try
{
pref = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch);
path = pref.getComplexValue(kCacheParentDirPref, nsILocalFile);
}
catch (ex)
{
// parent_directory pref not set; path is null so we'll failover
// to filling in the parent_directory as the profile directory
}
if (!path)
{
try
{
// no disk cache folder found; default to profile directory
var dirSvc = Components.classes["@mozilla.org/file/directory_service;1"]
.getService(nsIProperties);
var ifile = dirSvc.get("ProfD", nsIFile);
path = ifile.QueryInterface(nsILocalFile);
// now remember the new assumption
if (pref)
pref.setComplexValue(kCacheParentDirPref, nsILocalFile, path);
}
catch (ex)
{
}
}
// if both pref and dir svc fail leave this field blank else show path
if (path)
document.getElementById("browserCacheDiskCacheFolder").value =
path.path;
}
function prefCacheSelectFolder()
{
var fp = Components.classes["@mozilla.org/filepicker;1"]
.createInstance(nsIFilePicker);
var pref = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch);
var prefutilitiesBundle = document.getElementById("bundle_prefutilities");
var title = prefutilitiesBundle.getString("cachefolder");
fp.init(window, title, nsIFilePicker.modeGetFolder);
try
{
var initialDir = pref.getComplexValue(kCacheParentDirPref, nsILocalFile);
if (initialDir)
fp.displayDirectory = initialDir;
}
catch (ex)
{
// ignore exception: file picker will open at default location
}
fp.appendFilters(nsIFilePicker.filterAll);
var ret = fp.show();
if (ret == nsIFilePicker.returnOK) {
var localFile = fp.file.QueryInterface(nsILocalFile);
var viewable = fp.file.path;
var folderField = document.getElementById("browserCacheDiskCacheFolder");
folderField.value = viewable;
pref.setComplexValue(kCacheParentDirPref, nsILocalFile, localFile)
}
}
function prefClearCache(aType)
{
var classID = Components.classes["@mozilla.org/network/cache-service;1"];
var cacheService = classID.getService(Components.interfaces.nsICacheService);
cacheService.evictEntries(aType);
}
function prefClearMemCache()
{
prefClearCache(Components.interfaces.nsICache.STORE_IN_MEMORY);
}
function prefClearDiskCache()
{
prefClearCache(Components.interfaces.nsICache.STORE_ON_DISK);
}