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Add IInternal/PublicDisposableService (#1696)

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* Add IInternal/PublicDisposableService

Plugins are exposed interfaces that are not inherited from
`IDisposable`, but services implementing plugin interfaces often
implement `IDisposable`. Some plugins may try to call
`IDisposable.Dispose` on everything provided, and it also is possible to
use `using` clause too eagerly while working on Dalamud itself, such as
writing `using var smth = await Service<SomeService>.GetAsync();`. Such
behaviors often lead to a difficult-to-debug errors, and making those
services either not an `IDisposable` or making `IDisposable.Dispose` do
nothing if the object has been loaded would prevent such errors. As
`ServiceManager` must be the only class dealing with construction and
disposal of services, `IInternalDisposableService` has been added to
limit who can dispose the object. `IPublicDisposableService` also has
been added to classes that can be constructed and accessed directly by
plugins; for those, `Dispose` will be ignored if the instance is a
service instance, and only `DisposeService` will respond.

In addition, `DalamudPluginInterface` and `UiBuilder` also have been
changed so that their `IDisposable.Dispose` no longer respond, and
instead, internal functions have been added to only allow disposal from
Dalamud.

* Cleanup

* Postmerge fixes

* More explanation on RunOnFrameworkThread(ClearHooks)

* Mark ReliableFileStorage public ctor obsolete

---------

Co-authored-by: goat <16760685+goaaats@users.noreply.github.com>
This commit is contained in:
srkizer 2024-03-17 00:58:05 +09:00 • committed by GitHub
parent dcec076ca7
commit 87b9edb448
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62 changed files with 441 additions and 381 deletions
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22
Dalamud/Dalamud.cs
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@ -9,7 +9,6 @@ using System.Threading.Tasks;
using Dalamud.Common;
using Dalamud.Configuration.Internal;
using Dalamud.Game;
using Dalamud.Interface.Internal;
using Dalamud.Plugin.Internal;
using Dalamud.Storage;
using Dalamud.Utility;
@ -187,27 +186,6 @@ internal sealed class Dalamud : IServiceType
this.unloadSignal.WaitOne();
}
/// <summary>
/// Dispose subsystems related to plugin handling.
/// </summary>
public void DisposePlugins()
{
// this must be done before unloading interface manager, in order to do rebuild
// the correct cascaded WndProc (IME -> RawDX11Scene -> Game). Otherwise the game
// will not receive any windows messages
Service<DalamudIme>.GetNullable()?.Dispose();
// this must be done before unloading plugins, or it can cause a race condition
// due to rendering happening on another thread, where a plugin might receive
// a render call after it has been disposed, which can crash if it attempts to
// use any resources that it freed in its own Dispose method
Service<InterfaceManager>.GetNullable()?.Dispose();
Service<DalamudInterface>.GetNullable()?.Dispose();
Service<PluginManager>.GetNullable()?.Dispose();
}
/// <summary>
/// Replace the current exception handler with the default one.
/// </summary>