internal void InitJsEngine()
{
if (myengine == null)
{
var jstypeBuilder = new LayoutFarm.Scripting.MyJsTypeDefinitionBuilder();
myengine = new JsEngine();
myCtx = myengine.CreateContext(jstypeBuilder);
}
myCtx.SetVariableAutoWrap("document", HtmlDoc);
myCtx.SetVariableAutoWrap("console", Console);
}
public JsFunction(JsContext context, IntPtr funcPtr, IntPtr thisPtr)
{
if (context == null)
throw new ArgumentNullException("context");
if (funcPtr == IntPtr.Zero)
throw new ArgumentException("can't wrap an empty function (ptr is Zero)", "ptr");
_context = context;
_funcPtr = funcPtr;
_thisPtr = thisPtr;
}
public JsObject(JsContext context, IntPtr ptr)
{
if (ptr == IntPtr.Zero)
throw new ArgumentException("can't wrap an empty object (ptr is Zero)", "ptr");
_context = context;
_handle = ptr;
}
public JsContext CreateContext(JsTypeDefinitionBuilder customTypeDefBuilder)
{
CheckDisposed();
int id = Interlocked.Increment(ref _currentContextId);
JsContext ctx = new JsContext(id, this, ContextDisposed, customTypeDefBuilder);
_aliveContexts.Add(id, ctx);
return ctx;
}
public JsContext CreateContext(IntPtr nativeJsContext)
{
CheckDisposed();
int id = Interlocked.Increment(ref _currentContextId);
JsContext ctx = new JsContext(id, this, ContextDisposed, nativeJsContext, this.defaultTypeBuilder);
_aliveContexts.Add(id, ctx);
return ctx;
}
public JsValue AnyToJsValue(object obj)
{
if (obj == null)
{
return new JsValue {
Type = JsValueType.Null
}
}
;
if (obj is INativeRef)
{
//extension
INativeRef prox = (INativeRef)obj;
int keepAliveId = _context.KeepAliveAdd(obj);
return(new JsValue {
Type = JsValueType.JsTypeWrap, Ptr = prox.UnmanagedPtr, Index = keepAliveId
});
}
Type type = obj.GetType();
// Check for nullable types (we will cast the value out of the box later).
//if (type.IsConstructedGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
if (type.IsConstructedGenericType && type.GetGenericTypeDefinition() == typeof(Nullable <>))
{
type = type.GenericTypeArguments[0]; //type = type.GetGenericArguments()[0];
}
if (type == typeof(Boolean))
{
return new JsValue {
Type = JsValueType.Boolean, I32 = (bool)obj ? 1 : 0
}
}
;
if (type == typeof(String) || type == typeof(Char))
{
// We need to allocate some memory on the other side; will be free'd by unmanaged code.
return(JsContext.jsvalue_alloc_string(obj.ToString()));
}
if (type == typeof(Byte))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)(Byte)obj
}
}
;
if (type == typeof(Int16))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)(Int16)obj
}
}
;
if (type == typeof(UInt16))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)(UInt16)obj
}
}
;
if (type == typeof(Int32))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)obj
}
}
;
if (type == typeof(UInt32))
{
return new JsValue {
Type = JsValueType.Integer, I32 = (int)(UInt32)obj
}
}
;
if (type == typeof(Int64))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)(Int64)obj
}
}
;
if (type == typeof(UInt64))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)(UInt64)obj
}
}
;
if (type == typeof(Single))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)(Single)obj
}
}
;
if (type == typeof(Double))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)obj
}
}
;
if (type == typeof(Decimal))
{
return new JsValue {
Type = JsValueType.Number, Num = (double)(Decimal)obj
}
}
;
if (type == typeof(DateTime))
{
return new JsValue
{
Type = JsValueType.Date,
Num = Convert.ToInt64(((DateTime)obj).Subtract(EPOCH).TotalMilliseconds) /*(((DateTime)obj).Ticks - 621355968000000000.0 + 26748000000000.0)/10000.0*/
}
}
;
// Arrays of anything that can be cast to object[] are recursively convertef after
// allocating an appropriate jsvalue on the unmanaged side.
var array = obj as object[];
if (array != null)
{
JsValue v = JsContext.jsvalue_alloc_array(array.Length);
if (v.Length != array.Length)
{
throw new JsInteropException("can't allocate memory on the unmanaged side");
}
for (int i = 0; i < array.Length; i++)
{
Marshal.StructureToPtr(AnyToJsValue(array[i]), new IntPtr(v.Ptr.ToInt64() + (16 * i)), false);
}
return(v);
}
// Every object explicitly converted to a value becomes an entry of the
// _keepalives list, to make sure the GC won't collect it while still in
// use by the unmanaged Javascript engine. We don't try to track duplicates
// because adding the same object more than one time acts more or less as
// reference counting.
//check
var jsTypeDefinition = _context.GetJsTypeDefinition(type);
INativeRef prox2 = _context.CreateWrapper(obj, jsTypeDefinition);
//int keepAliveId2 = _context.KeepAliveAdd(prox2);
return(new JsValue {
Type = JsValueType.JsTypeWrap, Ptr = prox2.UnmanagedPtr, Index = prox2.ManagedIndex
});
//return new JsValue { Type = JsValueType.JsTypeWrap, Ptr = prox2.UnmanagedPtr, Index = keepAliveId2 };
//return new JsValue { Type = JsValueType.Managed, Index = _context.KeepAliveAdd(obj) };
}
#endif
}
}
public JsConvert(JsContext context)
{
_context = context;
}
public unsafe void AnyToJsValuePtr(object obj, JsValue *output)
{
if (obj == null)
{
output->Type = JsValueType.Null;
return;
}
//-----
if (obj is INativeRef)
{
//extension
INativeRef prox = (INativeRef)obj;
output->I32 = _context.KeepAliveAdd(obj);
output->Type = JsValueType.JsTypeWrap;
output->Ptr = prox.UnmanagedPtr;
return;
}
//-----
Type type = obj.GetType();
// Check for nullable types (we will cast the value out of the box later).
Type innerTypeOfNullable = type.ExtGetInnerTypeIfNullableValue();
if (innerTypeOfNullable != null)
{
type = innerTypeOfNullable;
}
if (type == typeof(Boolean))
{
output->Type = JsValueType.Boolean;
output->I32 = (bool)obj ? 1 : 0;
return;
}
if (type == typeof(String) || type == typeof(Char))
{
// We need to allocate some memory on the other side;
// will be free'd by unmanaged code.
string strdata = obj.ToString();
unsafe
{
fixed(char *b = strdata)
{
JsContext.jsvalue_alloc_string2(b, strdata.Length, output);
}
}
output->Type = JsValueType.String;
return;
}
//-----------------------------------------------------------
if (type == typeof(Byte))
{
output->Type = JsValueType.Integer;
output->I32 = (int)(byte)obj;
return;
}
if (type == typeof(Int16))
{
output->Type = JsValueType.Integer;
output->I32 = (int)(Int16)obj;
return;
}
if (type == typeof(UInt16))
{
output->Type = JsValueType.Integer;
output->I32 = (int)(UInt16)obj;
return;
}
if (type == typeof(Int32))
{
output->Type = JsValueType.Integer;
output->I32 = (int)obj;
return;
}
if (type == typeof(UInt32))
{
//TODO: review Type here when send to native side
output->Type = JsValueType.Integer;
output->I32 = (int)(uint)obj;
return;
}
if (type == typeof(Int64))
{
output->Type = JsValueType.Number;
output->Num = (double)(Int64)obj;
return;
}
if (type == typeof(UInt64))
{
output->Type = JsValueType.Number;
output->Num = (double)(UInt64)obj;
return;
}
if (type == typeof(Single))
{
output->Type = JsValueType.Number;
output->Num = (double)(Single)obj;
return;
}
if (type == typeof(Double))
{
output->Type = JsValueType.Number;
output->Num = (double)obj;
return;
}
if (type == typeof(Decimal))
{
//TODO: review here
//.net decimal is larger than double?
output->Type = JsValueType.Number;
output->Num = (double)(Decimal)obj;
return;
}
if (type == typeof(DateTime))
{
output->Type = JsValueType.Date;
output->Num = Convert.ToInt64(((DateTime)obj).Subtract(EPOCH).TotalMilliseconds); /*(((DateTime)obj).Ticks - 621355968000000000.0 + 26748000000000.0)/10000.0*/
return;
}
// Arrays of anything that can be cast to object[] are recursively convertef after
// allocating an appropriate jsvalue on the unmanaged side.
var array = obj as object[];
if (array != null)
{
//alloc space for array
int arrLen = array.Length;
JsContext.jsvalue_alloc_array(arrLen, output);
if (output->I32 != arrLen)
{
throw new JsInteropException("can't allocate memory on the unmanaged side");
}
//
output->Type = JsValueType.Array;
unsafe
{
JsValue *arr = (JsValue *)output->Ptr;
for (int i = 0; i < arrLen; i++)
{
AnyToJsValuePtr(array[i], arr + i);
}
}
return;
}
// Every object explicitly converted to a value becomes an entry of the
// _keepalives list, to make sure the GC won't collect it while still in
// use by the unmanaged Javascript engine. We don't try to track duplicates
// because adding the same object more than one time acts more or less as
// reference counting.
//check
JsTypeDefinition jsTypeDefinition = _context.GetJsTypeDefinition(type);
INativeRef prox2 = _context.CreateWrapper(obj, jsTypeDefinition);
//
output->Type = JsValueType.JsTypeWrap;
output->Ptr = prox2.UnmanagedPtr;
output->I32 = prox2.ManagedIndex;
}
public static void CreateNativePart(JsContext context, INativeScriptable proxyObj)
{
if (!proxyObj.HasNativeSide)
{
proxyObj.SetUnmanagedPtr(
CreateWrapperForManagedObject(
context.Handle.Handle,
proxyObj.ManagedIndex,
proxyObj.UnmanagedTypeDefinitionPtr));
}
}
public static unsafe void RegisterTypeDef(JsContext context, JsTypeDefinition jsTypeDefinition)
{
INativeRef proxObject = jsTypeDefinition.nativeProxy;
byte[] finalBuffer = null;
using (MemoryStream ms = new MemoryStream())
{
//serialize with our custom protocol
//plan change to json ?
//utf16
BinaryWriter binWriter = new BinaryWriter(ms, System.Text.Encoding.Unicode);
//binay format
//1. typename
//2. fields
//3. method
//4. indexer get/set
binWriter.Write((short)1);//start marker
context.CollectionTypeMembers(jsTypeDefinition);
//------------------------------------------------
jsTypeDefinition.WriteDefinitionToStream(binWriter);
//------------------------------------------------
finalBuffer = ms.ToArray();
fixed (byte* tt = &finalBuffer[0])
{
proxObject.SetUnmanagedPtr(
ContextRegisterTypeDefinition(
context.Handle.Handle,
0, tt, finalBuffer.Length));
}
//ms.Close();
}
}
internal static void CtxRegisterManagedMethodCall(JsContext jsContext, ManagedMethodCallDel mMethodCall)
{
//register managed method to js context
ContextRegisterManagedCallback(
jsContext.Handle.Handle,
System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate(mMethodCall),
(int)ManagedCallbackKind.MethodCall);
}
public NativeObjectProxyStore(JsContext ownerContext)
{
this.ownerContext = ownerContext;
}
public ManagedMethodArgs(JsContext context, IntPtr metArgsPtr)
{
_context = context;
_metArgsPtr = metArgsPtr;
}
public NativeObjectProxyStore(JsContext ownerContext)
{
_ownerContext = ownerContext;
}
public ManagedMethodArgs(JsContext context, IntPtr metArgsPtr)
{
this.context = context;
this.metArgsPtr = metArgsPtr;
}
public JsConvert(JsContext context)
{
_context = context;
}
public JsValue ToJsValue(char c)
{
// We need to allocate some memory on the other side; will be free'd by unmanaged code.
return(JsContext.jsvalue_alloc_string(c.ToString()));
}
private void button7_Click(object sender, EventArgs e)
{
//1. init html
var initHtml = "<html><script>function doc_ready(){console.log('doc_ready');}</script><body onload=\"doc_ready()\"><div id=\"a\">A</div><div id=\"b\" style=\"background-color:blue\">B</div><div id=\"c\">c_node</div></body></html>";
easeViewport.LoadHtmlString("", initHtml);
//----------------------------------------------------------------
//after load html page
//load v8 if ready
#if DEBUG
JsBridge.dbugTestCallbacks();
#endif
//===============================================================
//2. access dom
var webdoc = easeViewport.GetHtmlDom() as LayoutFarm.WebDom.IHtmlDocument;
//create js engine and context
if (myengine == null)
{
var jstypeBuilder = new LayoutFarm.Scripting.MyJsTypeDefinitionBuilder();
myengine = new JsEngine();
myCtx = myengine.CreateContext(jstypeBuilder);
}
System.Diagnostics.Stopwatch stwatch = new System.Diagnostics.Stopwatch();
stwatch.Reset();
stwatch.Start();
myCtx.SetVariableAutoWrap("document", webdoc);
myCtx.SetVariableAutoWrap("console", myWbConsole);
string simplejs = @"
(function(){
console.log('hello world!');
var domNodeA = document.getElementById('a');
var domNodeB = document.getElementById('b');
var domNodeC = document.getElementById('c');
var newText1 = document.createTextNode('... says hello world!');
domNodeA.appendChild(newText1);
for(var i=0;i<10;++i){
var newText2= document.createTextNode(i.toString());
domNodeA.appendChild(newText2);
}
var newDivNode= document.createElement('div');
newDivNode.appendChild(document.createTextNode('new div'));
newDivNode.attachEventListener('mousedown',function(){console.log('new div');});
domNodeB.appendChild(newDivNode);
domNodeC.innerHTML='<div> from inner html <span> from span</span> </div>';
console.log(domNodeC.innerHTML);
})();
";
object testResult = myCtx.Execute(simplejs);
stwatch.Stop();
Console.WriteLine("met1 template:" + stwatch.ElapsedMilliseconds.ToString());
}
internal NodeJsExecSession(JsEngine engine, JsContext ctx)
{
Engine = engine;
Context = ctx;
}
