151 lines
3.3 KiB
C#
151 lines
3.3 KiB
C#
using System.Collections.Generic;
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using UnityEngine;
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namespace FairyGUI.Utils
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{
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/// <summary>
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///
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/// </summary>
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public class HtmlPageContext : IHtmlPageContext
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{
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Stack<IHtmlObject> _imagePool;
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Stack<IHtmlObject> _inputPool;
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Stack<IHtmlObject> _buttonPool;
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Stack<IHtmlObject> _selectPool;
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Stack<IHtmlObject> _linkPool;
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public static HtmlPageContext inst = new HtmlPageContext();
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static Transform _poolManager;
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public HtmlPageContext()
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{
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_imagePool = new Stack<IHtmlObject>();
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_inputPool = new Stack<IHtmlObject>();
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_buttonPool = new Stack<IHtmlObject>();
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_selectPool = new Stack<IHtmlObject>();
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_linkPool = new Stack<IHtmlObject>();
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if (Application.isPlaying && _poolManager == null)
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_poolManager = Stage.inst.CreatePoolManager("HtmlObjectPool");
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}
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virtual public IHtmlObject CreateObject(RichTextField owner, HtmlElement element)
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{
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IHtmlObject ret = null;
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bool fromPool = false;
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if (element.type == HtmlElementType.Image)
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{
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if (_imagePool.Count > 0 && _poolManager != null)
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{
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ret = _imagePool.Pop();
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fromPool = true;
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}
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else
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ret = new HtmlImage();
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}
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else if (element.type == HtmlElementType.Link)
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{
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if (_linkPool.Count > 0 && _poolManager != null)
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{
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ret = _linkPool.Pop();
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fromPool = true;
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}
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else
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ret = new HtmlLink();
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}
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else if (element.type == HtmlElementType.Input)
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{
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string type = element.GetString("type");
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if (type != null)
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type = type.ToLower();
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if (type == "button" || type == "submit")
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{
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if (_buttonPool.Count > 0 && _poolManager != null)
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{
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ret = _buttonPool.Pop();
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fromPool = true;
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}
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else
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ret = new HtmlButton();
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}
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else
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{
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if (_inputPool.Count > 0 && _poolManager != null)
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{
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ret = _inputPool.Pop();
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fromPool = true;
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}
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else
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ret = new HtmlInput();
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}
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}
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else if (element.type == HtmlElementType.Select)
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{
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if (_selectPool.Count > 0 && _poolManager != null)
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{
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ret = _selectPool.Pop();
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fromPool = true;
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}
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else
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ret = new HtmlSelect();
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}
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//Debug.Log("from=" + fromPool);
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if (ret != null)
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{
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//可能已经被GameObject tree deleted了，不再使用
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if (fromPool && ret.displayObject != null && ret.displayObject.isDisposed)
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{
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ret.Dispose();
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return CreateObject(owner, element);
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}
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ret.Create(owner, element);
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if (ret.displayObject != null)
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ret.displayObject.home = owner.cachedTransform;
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}
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return ret;
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}
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virtual public void FreeObject(IHtmlObject obj)
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{
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if (_poolManager == null)
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{
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obj.Dispose();
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return;
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}
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//可能已经被GameObject tree deleted了，不再回收
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if (obj.displayObject != null && obj.displayObject.isDisposed)
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{
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obj.Dispose();
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return;
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}
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obj.Release();
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if (obj is HtmlImage)
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_imagePool.Push(obj);
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else if (obj is HtmlInput)
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_inputPool.Push(obj);
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else if (obj is HtmlButton)
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_buttonPool.Push(obj);
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else if (obj is HtmlLink)
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_linkPool.Push(obj);
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if (obj.displayObject != null)
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ToolSet.SetParent(obj.displayObject.cachedTransform, _poolManager);
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}
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virtual public NTexture GetImageTexture(HtmlImage image)
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{
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return null;
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}
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virtual public void FreeImageTexture(HtmlImage image, NTexture texture)
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{
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}
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}
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}
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