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Refactoring multithreading

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1. ThreadPool -> Task
2. fix deadlock
3. remove unnecessory application.dispatcher.invoke
4. enable non-main thread access to results collection
5. Misc
6. part of #412
This commit is contained in:
bao-qian
2016-05-05 21:15:13 +01:00
parent 923f4ed045
commit d536377329
15 changed files with 146 additions and 140 deletions
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93
Wox/ViewModel/MainViewModel.cs
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@@ -86,11 +86,15 @@ namespace Wox.ViewModel
{
foreach (var pair in PluginManager.GetPluginsForInterface<IResultUpdated>())
{
var plugin = (IResultUpdated) pair.Plugin;
var plugin = (IResultUpdated)pair.Plugin;
plugin.ResultsUpdated += (s, e) =>
{
PluginManager.UpdatePluginMetadata(e.Results, pair.Metadata, e.Query);
UpdateResultView(e.Results, pair.Metadata, e.Query);
Task.Run(() =>
{
PluginManager.UpdatePluginMetadata(e.Results, pair.Metadata, e.Query);
UpdateResultView(e.Results, pair.Metadata, e.Query);
}, _updateToken);
};
}
}
@@ -202,7 +206,10 @@ namespace Wox.ViewModel
menus.Add(ContextMenuPluginInfo(id));
ContextMenu.Clear();
ContextMenu.AddResults(menus, id);
Task.Run(() =>
{
ContextMenu.AddResults(menus, id);
}, _updateToken);
ContextMenuVisibility = Visibility.Visible;
}
else
@@ -219,14 +226,14 @@ namespace Wox.ViewModel
private void InitializeResultListBox()
{
Results = new ResultsViewModel(_settings, _topMostRecord);
Results = new ResultsViewModel(_settings);
ResultListBoxVisibility = Visibility.Collapsed;
}
private void InitializeContextMenu()
{
ContextMenu = new ResultsViewModel(_settings, _topMostRecord);
ContextMenu = new ResultsViewModel(_settings);
ContextMenuVisibility = Visibility.Collapsed;
}
@@ -413,7 +420,10 @@ namespace Wox.ViewModel
}
}
ContextMenu.Clear();
ContextMenu.AddResults(filterResults, contextMenuId);
Task.Run(() =>
{
ContextMenu.AddResults(filterResults, contextMenuId);
}, _updateToken);
}
}
@@ -455,18 +465,20 @@ namespace Wox.ViewModel
}, _updateToken);
var plugins = PluginManager.ValidPluginsForQuery(query);
foreach (var plugin in plugins)
Task.Run(() =>
{
var config = _settings.PluginSettings.Plugins[plugin.Metadata.ID];
if (!config.Disabled)
Parallel.ForEach(plugins, plugin =>
{
Task.Factory.StartNew(() =>
var config = _settings.PluginSettings.Plugins[plugin.Metadata.ID];
if (!config.Disabled)
{
var results = PluginManager.QueryForPlugin(plugin, query);
UpdateResultView(results, plugin.Metadata, query);
}, _updateToken);
}
}
}
});
}, _updateToken);
}
@@ -478,11 +490,6 @@ namespace Wox.ViewModel
_queryHistory.Reset();
}
private void UpdateResultViewInternal(List<Result> list, PluginMetadata metadata)
{
Results.AddResults(list, metadata.ID);
}
private void DisplayQueryHistory(HistoryItem history)
{
if (history != null)
@@ -495,21 +502,23 @@ namespace Wox.ViewModel
var executeQueryHistoryTitle = InternationalizationManager.Instance.GetTranslation("executeQuery");
var lastExecuteTime = InternationalizationManager.Instance.GetTranslation("lastExecuteTime");
Results.RemoveResultsExcept(historyMetadata);
UpdateResultViewInternal(new List<Result>
var result = new Result
{
new Result
Title = string.Format(executeQueryHistoryTitle, history.Query),
SubTitle = string.Format(lastExecuteTime, history.ExecutedDateTime),
IcoPath = "Images\\history.png",
PluginDirectory = Infrastructure.Wox.ProgramPath,
Action = _ =>
{
Title = string.Format(executeQueryHistoryTitle,history.Query),
SubTitle = string.Format(lastExecuteTime,history.ExecutedDateTime),
IcoPath = "Images\\history.png",
PluginDirectory = Infrastructure.Wox.ProgramPath,
Action = _ =>{
QueryText = history.Query;
OnTextBoxSelected();
return false;
}
QueryText = history.Query;
OnTextBoxSelected();
return false;
}
}, historyMetadata);
};
Task.Run(() =>
{
Results.AddResults(new List<Result> { result }, historyMetadata.ID);
}, _updateToken);
}
}
private Result ContextMenuTopMost(Result result)
@@ -583,21 +592,29 @@ namespace Wox.ViewModel
_topMostRecordStorage.Save();
}
/// <summary>
/// To avoid deadlock, this method should not called from main thread
/// </summary>
public void UpdateResultView(List<Result> list, PluginMetadata metadata, Query originQuery)
{
_queryHasReturn = true;
ProgressBarVisibility = Visibility.Hidden;
list.ForEach(o =>
foreach (var result in list)
{
o.Score += _userSelectedRecord.GetSelectedCount(o) * 5;
});
if (_topMostRecord.IsTopMost(result))
{
result.Score = int.MaxValue;
}
else
{
result.Score += _userSelectedRecord.GetSelectedCount(result) * 5;
}
}
if (originQuery.RawQuery == _lastQuery.RawQuery)
{
Application.Current.Dispatcher.Invoke(() =>
{
UpdateResultViewInternal(list, metadata);
});
Results.AddResults(list, metadata.ID);
}
if (list.Count > 0 && !ResultListBoxVisibility.IsVisible())