UnityEventDispatcher.cs 3.1 KB

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  1. using System.Collections.Generic;
  2. using UnityEngine;
  3. namespace DragonBones
  4. {
  5. /**
  6. * @inheritDoc
  7. */
  8. public class UnityEventDispatcher<T> : MonoBehaviour, IEventDispatcher<T>
  9. {
  10. private readonly Dictionary<string, ListenerDelegate<T>> _listeners = new Dictionary<string, ListenerDelegate<T>>();
  11. /**
  12. * @private
  13. */
  14. public UnityEventDispatcher()
  15. {
  16. }
  17. /**
  18. * @inheritDoc
  19. */
  20. public void DispatchEvent(string type, T eventObject)
  21. {
  22. if (!_listeners.ContainsKey(type))
  23. {
  24. return;
  25. }
  26. else
  27. {
  28. _listeners[type](type, eventObject);
  29. }
  30. }
  31. /**
  32. * @inheritDoc
  33. */
  34. public bool HasEventListener(string type)
  35. {
  36. return _listeners.ContainsKey(type);
  37. }
  38. /**
  39. * @inheritDoc
  40. */
  41. public void AddEventListener(string type, ListenerDelegate<T> listener)
  42. {
  43. if (_listeners.ContainsKey(type))
  44. {
  45. var delegates = _listeners[type].GetInvocationList();
  46. for (int i = 0, l = delegates.Length; i < l; ++i)
  47. {
  48. if (listener == delegates[i] as ListenerDelegate<T>)
  49. {
  50. return;
  51. }
  52. }
  53. _listeners[type] += listener;
  54. }
  55. else
  56. {
  57. _listeners.Add(type, listener);
  58. }
  59. }
  60. /**
  61. * @inheritDoc
  62. */
  63. public void RemoveEventListener(string type, ListenerDelegate<T> listener)
  64. {
  65. if (!_listeners.ContainsKey(type))
  66. {
  67. return;
  68. }
  69. var delegates = _listeners[type].GetInvocationList();
  70. for (int i = 0, l = delegates.Length; i < l; ++i)
  71. {
  72. if (listener == delegates[i] as ListenerDelegate<T>)
  73. {
  74. _listeners[type] -= listener;
  75. break;
  76. }
  77. }
  78. if (_listeners[type] == null)
  79. {
  80. _listeners.Remove(type);
  81. }
  82. }
  83. /// <summary>
  84. ///
  85. /// </summary>
  86. public void RemoveAllEventListener()
  87. {
  88. List<string> keysList = new List<string>();
  89. keysList.AddRange(_listeners.Keys);
  90. for (int j = keysList.Count - 1; j >= 0; j--)
  91. {
  92. string type = keysList[j];
  93. var delegates = _listeners[type].GetInvocationList();
  94. //Debug.LogError("length:" + delegates.Length);
  95. for (int i = 0, l = delegates.Length; i < l; ++i)
  96. {
  97. //Debug.LogError("length:" + delegates.Length);
  98. //Debug.LogError("remove:" + i);
  99. ListenerDelegate<T> listener = delegates[i] as ListenerDelegate<T>;
  100. RemoveEventListener(type, listener);
  101. }
  102. }
  103. }
  104. }
  105. }