public long AddNativeObject(object obj, string genericInfo)
{
if (obj == null)
{
throw new InvalidOperationException("不能把空对象添加到浏览器的本机对象列表中");
}
if (NativeObjectInfoDic.Values.SingleOrDefault(item => item.RealObject == obj) != null)
{
throw new InvalidOperationException("不能重复添加对象到相同浏览器的本机对象列表中");
}
var id = CreateId();
var info = new NativeObjectInfo();
info.Id = id;
info.RealObject = obj;
info.GenericInfo = genericInfo;
info.GcInfo = 1;
var jsGc = new Tnelab.MiniBlink.NativeMethods.jsData();
jsGc.typeName = "NativeObjectGC";
jsGc.propertyGet = (es, jobj, name) =>
{
return(Tnelab.MiniBlink.NativeMethods.jsUndefined());
};
jsGc.propertySet = (es, jobj, name, jv) =>
{
return(true);
};
jsGc.callAsFunction = (es, jobj, args, argsCount) =>
{
return(Tnelab.MiniBlink.NativeMethods.jsUndefined());
};
var gcPtr = Marshal.AllocHGlobal(Marshal.SizeOf <MiniBlink.NativeMethods.jsData>());
Marshal.StructureToPtr(jsGc, gcPtr, true);
jsGc.finalize = (ref Tnelab.MiniBlink.NativeMethods.jsData data) =>
{
this.DestroyNativeObject(id, true);
Marshal.FreeHGlobal(gcPtr);
};
this.WebBrowser.JsExecStateInvoke((es) => {
var tes = es;
var gcValue = MiniBlink.NativeMethods.jsObject(tes, gcPtr);
var idValue = MiniBlink.NativeMethods.jsInt((int)id);
var tnelabValue = MiniBlink.NativeMethods.jsGetGlobal(tes, "Tnelab");
var onSetGCValue = MiniBlink.NativeMethods.jsGet(tes, tnelabValue, "OnSetGC");
MiniBlink.NativeMethods.jsCall(tes, onSetGCValue, tnelabValue, new long[] { idValue, gcValue }, 2);
});
info.JsGC = jsGc;
NativeObjectInfoDic.Add(id, info);
return(id);
}
public long GetNativeObjectId(object obj)
{
if (this.GetParentControl() == obj)
{
return(this.ParentControlId);
}
var iobj = NativeObjectInfoDic.SingleOrDefault(it => it.Value.RealObject == obj);
if (iobj.Value != null)
{
return(iobj.Key);
}
return(-1);
}
public object GetNativeObject(long id, bool addGC)
{
if (this.ParentControlId == id)
{
return(this.GetParentControl());
}
if (NativeObjectInfoDic.ContainsKey(id))
{
if (addGC)
{
NativeObjectInfoDic[id].GcInfo++;
}
return(NativeObjectInfoDic[id].RealObject);
}
return(null);
}
public void DestroyNativeObject(long id, bool isGC)
{
if (NativeObjectInfoDic.ContainsKey(id))
{
var obj = NativeObjectInfoDic[id];
if (isGC)
{
obj.GcInfo--;
}
else
{
obj.GcInfo = 0;
}
if (obj.GcInfo == 0)
{
this.NativeObjectInfoDic.Remove(id);
if (obj.RealObject is IDisposable)
{
var disposableObj = obj.RealObject as IDisposable;
disposableObj.Dispose();
}
}
}
}
