private int GetCount()
{
if (IsRoaming)
{
return((int)_store.ToDictionary().Count);
}
else
{
return((int)_defaults.ToDictionary().Count);
}
}
private ICollection <string> GetKeys()
{
ICollection <string> genericKeys = new Collection <string>();
if (IsRoaming)
{
foreach (NSObject item in _store.ToDictionary().Keys)
{
genericKeys.Add(item.ToString());
}
}
else
{
foreach (NSObject item in _defaults.ToDictionary().Keys)
{
genericKeys.Add(item.ToString());
}
}
return(genericKeys);
}
protected override IPreferenceStore CreatePreferenceStore()
{
const string preferencesVersionKey = "preferencesVersion";
const string inspectorBundleId = "com.xamarin.Inspector";
var preferenceStore = new NSUserDefaultsPreferenceStore(synchronizeOnSet: true);
// Check for, and if necessary, perform a one-time preferences migration from
// com.xamarin.Inspector to com.xamarin.Workbooks, allowing the two client
// applications to more fully split (they no longer share CFBundleIdentifier)
if (ClientInfo.Flavor == ClientFlavor.Inspector ||
preferenceStore.GetInt64(preferencesVersionKey) >= 2)
{
return(preferenceStore);
}
var migratedPrefs = 0;
using (var inspectorDefaults = new NSUserDefaults()) {
inspectorDefaults.AddSuite(inspectorBundleId);
foreach (var item in inspectorDefaults.ToDictionary())
{
if (item.Key is NSString nsKey && item.Value != null)
{
var key = nsKey.ToString();
switch (key)
{
// preserve some Cocoa/WebKit preferences
case "WebKitDeveloperExtras":
case "NSNavLastRootDirectory":
case "NSNavRecentPlaces":
break;
default:
// preserve all nav panel (open/save) prefs
if (key.StartsWith("NSNavPanel", StringComparison.Ordinal))
{
break;
}
// lastly, preserve our own explicit preferences
if (key.StartsWith(inspectorBundleId + ".", StringComparison.Ordinal))
{
key = preferenceStore.BundleId + key.Substring(inspectorBundleId.Length);
break;
}
// there are tons of "junk" preferences/state stored by various
// controls (e.g. frame dimensions) that I'd rather just discard
continue;
}
preferenceStore.UserDefaults.SetValueForKey(item.Value, new NSString(key));
migratedPrefs++;
}
}
preferenceStore.Set(preferencesVersionKey, 2);
preferenceStore.UserDefaults.Synchronize();
Log.Info(TAG, $"Migrated {migratedPrefs} preferences from " +
$"{inspectorBundleId} to {preferenceStore.BundleId}");
}
return(preferenceStore);
}
public static IDictionary <string, string> AsDictionary(this NSUserDefaults defaults)
{
return(defaults
.ToDictionary()
.ToDictionary(x => x.Key.ToString(), x => x.Value.ToString()));
}