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started update with cancellation token

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AT 2019-12-13 01:48:05 +02:00
parent bcc9379ebc
commit dde03eca7c
1 changed files with 7 additions and 6 deletions
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13
Wox/ViewModel/MainViewModel.cs
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@ -372,7 +372,7 @@ namespace Wox.ViewModel
{ {
_updateSource?.Cancel(); _updateSource?.Cancel();
_updateSource = new CancellationTokenSource(); _updateSource = new CancellationTokenSource();
_updateToken = _updateSource.Token; var updateToken = _updateSource.Token;
ProgressBarVisibility = Visibility.Hidden; ProgressBarVisibility = Visibility.Hidden;
_queryHasReturn = false; _queryHasReturn = false;
@ -402,18 +402,19 @@ namespace Wox.ViewModel
} }
_lastQuery = query; _lastQuery = query;
Task.Delay(200, _updateToken).ContinueWith(_ => Task.Delay(200, updateToken).ContinueWith(_ =>
{ {
if (query.RawQuery == _lastQuery.RawQuery && !_queryHasReturn) if (query.RawQuery == _lastQuery.RawQuery && !_queryHasReturn)
{ {
ProgressBarVisibility = Visibility.Visible; ProgressBarVisibility = Visibility.Visible;
} }
}, _updateToken); }, updateToken);
var plugins = PluginManager.ValidPluginsForQuery(query); var plugins = PluginManager.ValidPluginsForQuery(query);
Task.Run(() => Task.Run(() =>
{ {
Parallel.ForEach(plugins, plugin => var parallelOptions = new ParallelOptions {CancellationToken = updateToken}; // so looping will stop once it was cancelled
Parallel.ForEach(plugins, parallelOptions, plugin =>
{ {
var config = _settings.PluginSettings.Plugins[plugin.Metadata.ID]; var config = _settings.PluginSettings.Plugins[plugin.Metadata.ID];
if (!config.Disabled) if (!config.Disabled)
@ -421,13 +422,13 @@ namespace Wox.ViewModel
var results = PluginManager.QueryForPlugin(plugin, query); var results = PluginManager.QueryForPlugin(plugin, query);
UpdateResultView(results, plugin.Metadata, query); UpdateResultView(results, plugin.Metadata, query);
} }
}); });// TODO add cancel code.
// this should happen once after all queries are done so progress bar should continue // this should happen once after all queries are done so progress bar should continue
// until the end of all querying // until the end of all querying
_queryHasReturn = true; _queryHasReturn = true;
ProgressBarVisibility = Visibility.Hidden; ProgressBarVisibility = Visibility.Hidden;
}, _updateToken); }, updateToken);
} }
} }
else else