PlatformIme.cs

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using System;
using System.Collections.Generic;
 
namespace ReLogic.Localization.IME;
 
public abstract class PlatformIme : IImeService, IDisposable
{
    private readonly List<Action<char>> _keyPressCallbacks = new List<Action<char>>();
 
    private bool _disposedValue;
 
    public abstract string CompositionString { get; }
 
    public abstract bool IsCandidateListVisible { get; }
 
    public abstract uint SelectedCandidate { get; }
 
    public abstract uint CandidateCount { get; }
 
    public bool IsEnabled { get; private set; }
 
    protected PlatformIme()
    {
        IsEnabled = false;
    }
 
    public void AddKeyListener(Action<char> listener)
    {
        _keyPressCallbacks.Add(listener);
    }
 
    public void RemoveKeyListener(Action<char> listener)
    {
        _keyPressCallbacks.Remove(listener);
    }
 
    protected void OnKeyPress(char character)
    {
        foreach (Action<char> keyPressCallback in _keyPressCallbacks)
        {
            keyPressCallback(character);
        }
    }
 
    public abstract string GetCandidate(uint index);
 
    public void Enable()
    {
        if (!IsEnabled)
        {
            OnEnable();
            IsEnabled = true;
        }
    }
 
    public void Disable()
    {
        if (IsEnabled)
        {
            OnDisable();
            IsEnabled = false;
        }
    }
 
    protected virtual void OnEnable()
    {
    }
 
    protected virtual void OnDisable()
    {
    }
 
    protected virtual void Dispose(bool disposing)
    {
        if (!_disposedValue)
        {
            _disposedValue = true;
        }
    }
 
    ~PlatformIme()
    {
        Dispose(disposing: false);
    }
 
    public void Dispose()
    {
        Dispose(disposing: true);
        GC.SuppressFinalize(this);
    }
}