/// <summary>
/// Starts a query to look for the sample Test File.
/// </summary>
private void FindDocument () {
Console.WriteLine ("Finding Document...");
// Create a new query and set it's scope
Query = new NSMetadataQuery();
Query.SearchScopes = new NSObject [] {
NSMetadataQuery.UbiquitousDocumentsScope,
NSMetadataQuery.UbiquitousDataScope,
NSMetadataQuery.AccessibleUbiquitousExternalDocumentsScope
};
// Build a predicate to locate the file by name and attach it to the query
var pred = NSPredicate.FromFormat ("%K == %@"
, new NSObject[] {
NSMetadataQuery.ItemFSNameKey
, new NSString(TestFilename)});
Query.Predicate = pred;
// Register a notification for when the query returns
NSNotificationCenter.DefaultCenter.AddObserver (this
, new Selector("queryDidFinishGathering:")
, NSMetadataQuery.DidFinishGatheringNotification
, Query);
// Start looking for the file
Query.StartQuery ();
Console.WriteLine ("Querying: {0}", Query.IsGathering);
}
private Task InstigateDocumentLookupAsync(TaskScheduler synchronizationContextTaskScheduler) =>
Task.Factory.StartNew(
() =>
{
var query = new NSMetadataQuery
{
SearchScopes = new NSObject[]
{
NSMetadataQuery.UbiquitousDocumentsScope
},
Predicate = NSPredicate.FromFormat(
"%K == %@",
new NSObject[]
{
NSMetadataQuery.ItemFSNameKey,
new NSString(documentFilename)
})
};
NSNotificationCenter.DefaultCenter.AddObserver(NSMetadataQuery.DidFinishGatheringNotification, this.OnQueryFinished, query);
query.StartQuery();
},
CancellationToken.None,
TaskCreationOptions.None,
synchronizationContextTaskScheduler);
/// <summary>
/// Starts a query to look for the sample Test File.
/// </summary>
private void FindDocument()
{
Console.WriteLine("Finding Document...");
// Create a new query and set it's scope
Query = new NSMetadataQuery();
Query.SearchScopes = new NSObject [] {
NSMetadataQuery.UbiquitousDocumentsScope,
NSMetadataQuery.UbiquitousDataScope,
NSMetadataQuery.AccessibleUbiquitousExternalDocumentsScope
};
// Build a predicate to locate the file by name and attach it to the query
var pred = NSPredicate.FromFormat("%K == %@"
, new NSObject[] {
NSMetadataQuery.ItemFSNameKey
, new NSString(TestFilename)
});
Query.Predicate = pred;
// Register a notification for when the query returns
NSNotificationCenter.DefaultCenter.AddObserver(this
, new Selector("queryDidFinishGathering:")
, NSMetadataQuery.DidFinishGatheringNotification
, Query);
// Start looking for the file
Query.StartQuery();
Console.WriteLine("Querying: {0}", Query.IsGathering);
}
Task BeginQuery()
{
if (firstQueryResult != null)
{
var t = firstQueryResult;
firstQueryResult = null;
if (!t.Task.IsCompleted)
{
t.SetException(new Exception("Stopped"));
}
}
if (query != null)
{
query.StopQuery();
}
firstQueryResult = new TaskCompletionSource <object> ();
if (documentsUrl == null)
{
firstQueryResult.SetResult(null);
return(firstQueryResult.Task);
}
var queryString = "";
var head = "";
var args = new List <NSObject> ();
foreach (var e in FileExtensions)
{
queryString += head + "(%K LIKE '*." + e + "')";
head = " OR ";
args.Add(NSMetadataQuery.ItemFSNameKey);
}
query = new NSMetadataQuery();
query.SearchScopes = new NSObject[] { NSMetadataQuery.UbiquitousDocumentsScope };
query.Predicate = NSPredicate.FromFormat(
queryString,
args.ToArray());
Console.WriteLine("START iCLOUD QUERY");
query.StartQuery();
needsRefresh = false;
return(firstQueryResult.Task);
}
public override void DidFinishLaunching(NSNotification notification)
{
Console.WriteLine("FinishedLaunching(notification={0})", notification);
mainWindowController = new MainWindowController();
InitializeStatusBar();
//InitializeFirebase();
_query = new NSMetadataQuery();
_query.Predicate = NSPredicate.FromFormat("kMDItemIsScreenCapture = 1");
NSNotificationCenter.DefaultCenter.AddObserver(NSMetadataQuery.DidStartGatheringNotification, ScreenCaptureChange, _query);
NSNotificationCenter.DefaultCenter.AddObserver(NSMetadataQuery.DidUpdateNotification, ScreenCaptureChange, _query);
NSNotificationCenter.DefaultCenter.AddObserver(NSMetadataQuery.DidFinishGatheringNotification, ScreenCaptureChange, _query);
_query.StartQuery();
}
void StartQuery()
{
if (documentMetadataQuery == null)
{
documentMetadataQuery = new NSMetadataQuery();
documentMetadataQuery.SearchScopes = new NSObject[] { NSMetadataQuery.UbiquitousDocumentsScope };
string todayListName = AppConfig.SharedAppConfiguration.TodayDocumentNameAndExtension;
documentMetadataQuery.Predicate = NSPredicate.FromFormat("(%K = %@)", NSMetadataQuery.ItemFSNameKey,
(NSString)todayListName);
NSNotificationCenter notificationCenter = NSNotificationCenter.DefaultCenter;
// TODO: subscribtion https://trello.com/c/1RyX6cJL
finishGatheringToken = notificationCenter.AddObserver(NSMetadataQuery.DidFinishGatheringNotification,
HandleMetadataQueryUpdates, documentMetadataQuery);
}
documentMetadataQuery.StartQuery();
}
void FindDocument()
{
Console.WriteLine("FindDocument");
query = new NSMetadataQuery();
query.SearchScopes = new NSObject [] { NSMetadataQuery.UbiquitousDocumentsScope };
var pred = NSPredicate.FromFormat("%K == %@"
, new NSObject[] {
NSMetadataQuery.ItemFSNameKey
, new NSString(monkeyDocFilename)
});
Console.WriteLine("Predicate:" + pred.PredicateFormat);
query.Predicate = pred;
NSNotificationCenter.DefaultCenter.AddObserver(this
, new Selector("queryDidFinishGathering:")
, NSMetadataQuery.DidFinishGatheringNotification
, query);
query.StartQuery();
}
private void LoadFavorites()
{
var query = new NSMetadataQuery();
query.SearchScopes = new NSObject[] { NSMetadataQuery.UbiquitousDocumentsScope };
var pred =
NSPredicate.FromFormat(
"%K == %@",
new NSObject[] {
NSMetadataQuery.ItemFSNameKey,
new NSString(FavoritesService.FavoritesFileName)
});
query.Predicate = pred;
NSNotificationCenter.DefaultCenter.AddObserver(
NSMetadataQuery.DidFinishGatheringNotification,
OnDidFinishGathering,
query);
query.StartQuery();
}
void LoadTasks(NSNotification notification)
{
Console.WriteLine("LoadTasks()");
if (notification != null && notification.UserInfo != null)
{
var u = notification.UserInfo.ValueForKey(new NSString("HasiCloud")) as NSNumber;
if (u != null)
{
Console.WriteLine("Has iCloud notification:" + u.BoolValue);
}
}
if (AppDelegate.HasiCloud)
{
query = new NSMetadataQuery();
query.SearchScopes = new NSObject [] { NSMetadataQuery.QueryUbiquitousDocumentsScope };
var pred = NSPredicate.FromFormat("%K like '*.task'"
, new NSObject[] { NSMetadataQuery.ItemFSNameKey });
//Console.WriteLine ("Predicate:" + pred.PredicateFormat);
query.Predicate = pred;
NSNotificationCenter.DefaultCenter.AddObserver(this
, new Selector("queryDidFinishGathering:")
, NSMetadataQuery.DidFinishGatheringNotification
, query);
query.StartQuery();
}
else
{
Console.WriteLine("HasiCloud not populated yet");
InvokeOnMainThread(() => {
var uia = new UIAlertView("Connecting to iCloud...", "Press the \uE049 button to refresh", null, "OK", null);
uia.Show();
});
}
}
void StartMetadataQuery()
{
if (documentMetadataQuery == null)
{
NSMetadataQuery metadataQuery = new NSMetadataQuery {
SearchScopes = new NSObject[] {
NSMetadataQuery.UbiquitousDocumentsScope
},
Predicate = NSPredicate.FromFormat("(%K.pathExtension = %@)",
NSMetadataQuery.ItemFSNameKey,
(NSString)AppConfig.ListerFileExtension)
};
documentMetadataQuery = metadataQuery;
NSNotificationCenter notificationCenter = NSNotificationCenter.DefaultCenter;
// TODO: use typed overload https://trello.com/c/1RyX6cJL
finishGatheringToken = notificationCenter.AddObserver(NSMetadataQuery.DidFinishGatheringNotification,
HandleMetadataQueryUpdates, metadataQuery);
updateToken = notificationCenter.AddObserver(NSMetadataQuery.DidUpdateNotification,
HandleMetadataQueryUpdates, metadataQuery);
}
documentMetadataQuery.StartQuery();
}
private void createNewSearchForPredicate(NSPredicate predicate, string title)
{
if (predicate == null)
{
return;
}
// remove the old search results.
mySearchResults.Remove(mySearchResults.ArrangedObjects());
// always search for items in the Address Book
//NSPredicate addrBookPredicate = NSPredicate.FromFormat (" (kMDItemKind == 'Address Book Person Data')",new NSObject[0]);
NSPredicate addrBookPredicate = NSPredicate.FromFormat(" (kMDItemContentType == 'com.apple.addressbook.person')", new NSObject[0]);
predicate = NSCompoundPredicate.CreateAndPredicate(new NSPredicate[2] {
addrBookPredicate, predicate
});
// set the query predicate....
query.Predicate = predicate;
// and send it off for processing...
query.StartQuery();
}
private Task InstigateDocumentLookupAsync(TaskScheduler synchronizationContextTaskScheduler) =>
Task.Factory.StartNew(
() =>
{
var query = new NSMetadataQuery
{
SearchScopes = new NSObject[]
{
NSMetadataQuery.UbiquitousDocumentsScope
},
Predicate = NSPredicate.FromFormat(
"%K == %@",
new NSObject[]
{
NSMetadataQuery.ItemFSNameKey,
new NSString(documentFilename)
})
};
NSNotificationCenter.DefaultCenter.AddObserver(NSMetadataQuery.DidFinishGatheringNotification, this.OnQueryFinished, query);
query.StartQuery();
},
CancellationToken.None,
TaskCreationOptions.None,
synchronizationContextTaskScheduler);
void LoadTasks(NSNotification notification)
{
Console.WriteLine ("LoadTasks()");
if (notification != null && notification.UserInfo != null) {
var u = notification.UserInfo.ValueForKey(new NSString("HasiCloud")) as NSNumber;
if (u != null)
Console.WriteLine ("Has iCloud notification:"+ u.BoolValue);
}
if (AppDelegate.HasiCloud) {
query = new NSMetadataQuery();
query.SearchScopes = new NSObject [] {NSMetadataQuery.QueryUbiquitousDocumentsScope};
var pred = NSPredicate.FromFormat ("%K like '*.task'"
, new NSObject[] {NSMetadataQuery.ItemFSNameKey});
//Console.WriteLine ("Predicate:" + pred.PredicateFormat);
query.Predicate = pred;
NSNotificationCenter.DefaultCenter.AddObserver (this
, new Selector("queryDidFinishGathering:")
,NSMetadataQuery.DidFinishGatheringNotification
, query);
query.StartQuery ();
} else {
Console.WriteLine ("HasiCloud not populated yet");
InvokeOnMainThread(()=>{
var uia = new UIAlertView("Connecting to iCloud...", "Press the \uE049 button to refresh",null, "OK", null);
uia.Show ();
});
}
}
void FindDocument ()
{
Console.WriteLine ("FindDocument");
query = new NSMetadataQuery {
SearchScopes = new NSObject [] { NSMetadataQuery.UbiquitousDocumentsScope }
};
var pred = NSPredicate.FromFormat ("%K == %@", new NSObject[] {
NSMetadataQuery.ItemFSNameKey, new NSString (MonkeyDocFilename)
});
Console.WriteLine ("Predicate:{0}", pred.PredicateFormat);
query.Predicate = pred;
NSNotificationCenter.DefaultCenter.AddObserver (
this,
new Selector ("queryDidFinishGathering:"),
NSMetadataQuery.DidFinishGatheringNotification,
query
);
query.StartQuery ();
}
Task BeginQuery ()
{
if (firstQueryResult != null) {
var t = firstQueryResult;
firstQueryResult = null;
if (!t.Task.IsCompleted)
t.SetException (new Exception ("Stopped"));
}
if (query != null) {
query.StopQuery ();
}
firstQueryResult = new TaskCompletionSource<object> ();
if (documentsUrl == null) {
firstQueryResult.SetResult (null);
return firstQueryResult.Task;
}
var queryString = "";
var head = "";
var args = new List<NSObject> ();
foreach (var e in FileExtensions) {
queryString += head + "(%K LIKE '*." + e + "')";
head = " OR ";
args.Add (NSMetadataQuery.ItemFSNameKey);
}
query = new NSMetadataQuery ();
query.SearchScopes = new NSObject[] { NSMetadataQuery.UbiquitousDocumentsScope };
query.Predicate = NSPredicate.FromFormat (
queryString,
args.ToArray ());
Console.WriteLine ("START iCLOUD QUERY");
query.StartQuery ();
needsRefresh = false;
return firstQueryResult.Task;
}