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//
// CommentTasksProvider.cs
//
// Author:
// Marius Ungureanu <maungu@microsoft.com>
//
// Copyright (c) 2018
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Threading;
using System.Collections.Generic;
using System.Collections.Immutable;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.Editor;
using Microsoft.CodeAnalysis.Editor.Implementation.TodoComments;
using MonoDevelop.Core;
using MonoDevelop.Ide.TypeSystem;
using MonoDevelop.Projects;
using System.Linq;
using System.Threading.Tasks;
using MonoDevelop.Ide.Composition;
namespace MonoDevelop.Ide.Tasks
{
partial class CommentTasksProvider
{
TaskService taskService;
public static void Initialize ()
{
Runtime.ServiceProvider.WhenServiceInitialized<CompositionManager> (compositionManager => {
var todoListProvider = compositionManager.GetExportedValue<ITodoListProvider> ();
todoListProvider.TodoListUpdated += OnTodoListUpdated;
});
Runtime.ServiceProvider.WhenServiceInitialized<RootWorkspace> (workspace => {
workspace.SolutionLoaded += OnSolutionLoaded;
workspace.WorkspaceItemClosed += OnWorkspaceItemClosed;
Legacy.Initialize ();
});
CommentTag.SpecialCommentTagsChanged += OnSpecialTagsChanged;
}
static bool TryGetDocument (Microsoft.CodeAnalysis.Common.UpdatedEventArgs args, out Document doc, out MonoDevelop.Projects.Project project)
{
doc = null;
project = null;
if (!(args.Workspace is MonoDevelopWorkspace ws))
return false;
doc = ws.GetDocument (args.DocumentId);
if (doc == null)
return false;
project = ws.GetMonoProject (args.ProjectId);
if (project == null)
return false;
return true;
}
static object lockObject = new object ();
static Dictionary<object, TodoItemsUpdatedArgs> cachedUntilViewCreated = new Dictionary<object, TodoItemsUpdatedArgs> ();
internal static void LoadCachedContents ()
{
lock (lockObject) {
if (cachedUntilViewCreated == null)
return;
if (triggerLoad == null || triggerLoad.Invoke (cachedUntilViewCreated.Count)) {
var changes = cachedUntilViewCreated.Values.Select (x => ToCommentTaskChange (x)).Where (x => x != null).ToList ();
IdeServices.TaskService.InformCommentTasks (new CommentTasksChangedEventArgs (changes));
cachedUntilViewCreated = null;
triggerLoad = null;
}
}
}
public static CommentTaskChange ToCommentTaskChange (TodoItemsUpdatedArgs args)
{
if (!TryGetDocument (args, out var doc, out var project))
return null;
var file = doc.Name;
var tags = args.TodoItems.Length == 0 ? (IReadOnlyList<Tag>)null : args.TodoItems.SelectAsArray (x => x.ToTag ());
return new CommentTaskChange (file, tags, project);
}
// Test helper utilities so we can test multiple tests for cached
#region Test Helpers
static Func<int, bool> triggerLoad;
internal static void ResetCachedContents (Func<int, bool> shouldTriggerLoad)
{
lock (lockObject) {
cachedUntilViewCreated = new Dictionary<object, TodoItemsUpdatedArgs> ();
triggerLoad = shouldTriggerLoad;
}
}
internal static int GetCachedContentsCount ()
{
lock (lockObject) {
if (cachedUntilViewCreated == null)
return -1;
return cachedUntilViewCreated.Count;
}
}
#endregion
static bool TryCache (TodoItemsUpdatedArgs args)
{
if (cachedUntilViewCreated == null)
return false;
lock (lockObject) {
if (cachedUntilViewCreated == null)
return false;
cachedUntilViewCreated [args.Id] = args;
if (triggerLoad != null)
LoadCachedContents ();
return true;
}
}
static void OnTodoListUpdated (object sender, TodoItemsUpdatedArgs args)
{
if (TryCache (args))
return;
var change = ToCommentTaskChange (args);
if (change != null)
IdeServices.TaskService.InformCommentTasks (new CommentTasksChangedEventArgs (new [] { change }));
}
static async void OnSolutionLoaded (object sender, SolutionEventArgs args)
{
var ws = await IdeApp.TypeSystemService.GetWorkspaceAsync (args.Solution);
UpdateWorkspaceOptions (ws);
}
static void OnWorkspaceItemClosed (object sender, WorkspaceItemEventArgs args)
{
if (args.Item is MonoDevelop.Projects.Solution sol) {
var ws = IdeApp.TypeSystemService.GetWorkspace (sol);
lock (lockObject) {
if (cachedUntilViewCreated == null)
return;
cachedUntilViewCreated = cachedUntilViewCreated.Where (x => x.Value.Workspace != ws).ToDictionary (x => x.Key, x => x.Value);
}
}
}
static void UpdateWorkspaceOptions (Microsoft.CodeAnalysis.Workspace ws)
{
// Roslyn uses | as separator.
ws.Options = ws.Options.WithChangedOption (TodoCommentOptions.TokenList, CommentTag.ToString (CommentTag.SpecialCommentTags, "|"));
}
static void OnSpecialTagsChanged (object sender, EventArgs args)
{
foreach (var ws in IdeApp.TypeSystemService.AllWorkspaces)
UpdateWorkspaceOptions (ws);
}
}
}
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