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Code Issues Releases Wiki Activity

use background tasks to keep timers alive

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This commit is contained in:
Kyle Spearrin
2019-07-01 23:44:47 -04:00
parent 4a294d6a77
commit ab3bebf06a
2 changed files with 60 additions and 17 deletions
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67
src/iOS/AppDelegate.cs
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@@ -27,7 +27,9 @@ namespace Bit.iOS
private iOSPushNotificationHandler _pushHandler = null;
private NFCReaderDelegate _nfcDelegate = null;
private NSTimer _clipboardTimer = null;
private nint _clipboardBackgroundTaskId;
private NSTimer _lockTimer = null;
private nint _lockBackgroundTaskId;
private IDeviceActionService _deviceActionService;
private IMessagingService _messagingService;
@@ -65,7 +67,11 @@ namespace Bit.iOS
}
else if(message.Command == "copiedToClipboard")
{
await ClearClipboardTimerAsync(message.Data as Tuple<string, int?, bool>);
Device.BeginInvokeOnMainThread(() =>
{
var task = ClearClipboardTimerAsync(message.Data as Tuple<string, int?, bool>);
});
}
else if(message.Command == "listenYubiKeyOTP")
{
@@ -281,11 +287,21 @@ namespace Bit.iOS
private void LockTimer(int lockOptionMinutes)
{
if(_lockBackgroundTaskId > 0)
{
UIApplication.SharedApplication.EndBackgroundTask(_lockBackgroundTaskId);
_lockBackgroundTaskId = 0;
}
_lockBackgroundTaskId = UIApplication.SharedApplication.BeginBackgroundTask(() =>
{
UIApplication.SharedApplication.EndBackgroundTask(_lockBackgroundTaskId);
_lockBackgroundTaskId = 0;
});
var lockOptionMs = lockOptionMinutes * 60000;
_lockTimer?.Invalidate();
_lockTimer?.Dispose();
_lockTimer = null;
var lockMsSpan = TimeSpan.FromMilliseconds(lockOptionMs + 10);
var lockMsSpan = TimeSpan.FromMilliseconds(10000 + 10);
Device.BeginInvokeOnMainThread(() =>
{
_lockTimer = NSTimer.CreateScheduledTimer(lockMsSpan, timer =>
@@ -296,6 +312,11 @@ namespace Bit.iOS
_lockTimer?.Invalidate();
_lockTimer?.Dispose();
_lockTimer = null;
if(_lockBackgroundTaskId > 0)
{
UIApplication.SharedApplication.EndBackgroundTask(_lockBackgroundTaskId);
_lockBackgroundTaskId = 0;
}
});
});
});
@@ -306,6 +327,11 @@ namespace Bit.iOS
_lockTimer?.Invalidate();
_lockTimer?.Dispose();
_lockTimer = null;
if(_lockBackgroundTaskId > 0)
{
UIApplication.SharedApplication.EndBackgroundTask(_lockBackgroundTaskId);
_lockBackgroundTaskId = 0;
}
}
private async Task ClearClipboardTimerAsync(Tuple<string, int?, bool> data)
@@ -327,25 +353,38 @@ namespace Bit.iOS
{
return;
}
if(_clipboardBackgroundTaskId > 0)
{
UIApplication.SharedApplication.EndBackgroundTask(_clipboardBackgroundTaskId);
_clipboardBackgroundTaskId = 0;
}
_clipboardBackgroundTaskId = UIApplication.SharedApplication.BeginBackgroundTask(() =>
{
UIApplication.SharedApplication.EndBackgroundTask(_clipboardBackgroundTaskId);
_clipboardBackgroundTaskId = 0;
});
_clipboardTimer?.Invalidate();
_clipboardTimer?.Dispose();
_clipboardTimer = null;
var lastClipboardValue = data.Item1;
var lastClipboardChangeCount = UIPasteboard.General.ChangeCount;
var clearMsSpan = TimeSpan.FromMilliseconds(clearMs.Value);
Device.BeginInvokeOnMainThread(() =>
_clipboardTimer = NSTimer.CreateScheduledTimer(clearMsSpan, timer =>
{
_clipboardTimer = NSTimer.CreateScheduledTimer(clearMsSpan, timer =>
Device.BeginInvokeOnMainThread(() =>
{
Device.BeginInvokeOnMainThread(() =>
var changeNow = UIPasteboard.General.ChangeCount;
if(changeNow == 0 || lastClipboardChangeCount == changeNow)
{
if(lastClipboardValue == UIPasteboard.General.String)
{
UIPasteboard.General.String = string.Empty;
}
_clipboardTimer?.Invalidate();
_clipboardTimer?.Dispose();
_clipboardTimer = null;
});
UIPasteboard.General.String = string.Empty;
}
_clipboardTimer?.Invalidate();
_clipboardTimer?.Dispose();
_clipboardTimer = null;
if(_clipboardBackgroundTaskId > 0)
{
UIApplication.SharedApplication.EndBackgroundTask(_clipboardBackgroundTaskId);
_clipboardBackgroundTaskId = 0;
}
});
});
}