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Improve query cancellation and ResultCollection performance (#5370)

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* Added cancellation token to downstream functions in query thread

* Remove initial lag in query

* Re add query delay

* Remove debug flag
This commit is contained in:
Divyansh Srivastava
2020-07-31 15:09:23 -07:00
committed by GitHub
parent 4da8aab44f
commit fbc625478b
3 changed files with 62 additions and 178 deletions
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38
src/modules/launcher/PowerLauncher/ViewModel/MainViewModel.cs
View File

@@ -111,7 +111,7 @@ namespace PowerLauncher.ViewModel
Task.Run(() =>
{
PluginManager.UpdatePluginMetadata(e.Results, pair.Metadata, e.Query);
UpdateResultView(e.Results, pair.Metadata, e.Query);
UpdateResultView(e.Results, pair.Metadata, e.Query, _updateToken);
}, _updateToken);
};
}
@@ -421,11 +421,11 @@ namespace PowerLauncher.ViewModel
r => StringMatcher.FuzzySearch(query, r.Title).IsSearchPrecisionScoreMet() ||
StringMatcher.FuzzySearch(query, r.SubTitle).IsSearchPrecisionScoreMet()
).ToList();
History.AddResults(filtered, id);
History.AddResults(filtered, id, _updateToken);
}
else
{
History.AddResults(results, id);
History.AddResults(results, id, _updateToken);
}
}
@@ -448,25 +448,36 @@ namespace PowerLauncher.ViewModel
Task.Run(() =>
{
Thread.Sleep(20);
RemoveOldQueryResults(query);
var plugins = PluginManager.ValidPluginsForQuery(query);
try
{
currentCancellationToken.ThrowIfCancellationRequested();
foreach(PluginPair plugin in plugins)
var resultPluginPair = new List<(List<Result>, PluginMetadata)>();
foreach (PluginPair plugin in plugins)
{
if (!plugin.Metadata.Disabled && !currentCancellationToken.IsCancellationRequested)
if (!plugin.Metadata.Disabled)
{
var results = PluginManager.QueryForPlugin(plugin, query);
resultPluginPair.Add((results, plugin.Metadata));
currentCancellationToken.ThrowIfCancellationRequested();
lock (_addResultsLock)
{
UpdateResultView(results, plugin.Metadata, query);
}
}
}
lock (_addResultsLock)
{
RemoveOldQueryResults(query);
foreach (var p in resultPluginPair)
{
UpdateResultView(p.Item1, p.Item2, query, currentCancellationToken);
currentCancellationToken.ThrowIfCancellationRequested();
}
currentCancellationToken.ThrowIfCancellationRequested();
Results.Results.Sort();
}
currentCancellationToken.ThrowIfCancellationRequested();
Application.Current.Dispatcher.BeginInvoke(new Action(() =>
{
@@ -680,7 +691,7 @@ namespace PowerLauncher.ViewModel
/// <summary>
/// To avoid deadlock, this method should not called from main thread
/// </summary>
public void UpdateResultView(List<Result> list, PluginMetadata metadata, Query originQuery)
public void UpdateResultView(List<Result> list, PluginMetadata metadata, Query originQuery, CancellationToken ct)
{
if (list == null)
{
@@ -711,7 +722,8 @@ namespace PowerLauncher.ViewModel
if (originQuery.RawQuery == _lastQuery.RawQuery)
{
Results.AddResults(list, metadata.ID);
ct.ThrowIfCancellationRequested();
Results.AddResults(list, metadata.ID, ct);
}
}
@@ -724,7 +736,7 @@ namespace PowerLauncher.ViewModel
Title = "hello"
};
list.Add(r);
Results.AddResults(list, "0");
Results.AddResults(list, "0", _updateToken);
Results.Clear();
MainWindowVisibility = System.Windows.Visibility.Collapsed;