public void Bind(CefV8Value obj)
{
if (this.obj != null) throw new InvalidOperationException();
this.obj = obj;
BindCore();
}
public void Dispose(bool disposing)
{
if (this.obj != null)
{
this.obj.Dispose();
this.obj = null;
}
}
private CefV8_JavascriptObject UpdateObject(CefV8Value res, ObjectObservability?objectObservability = null)
{
BasicUpdateObject(res, objectObservability);
return(new CefV8_JavascriptObject(res));
}
public IJavascriptObject CreateArray(int size)
{
var res = CefV8Value.CreateArray(size);
return(UpdateObject(res));
}
public IJavascriptObject CreateDateTime(DateTime value)
{
return(new CefV8_JavascriptObject(CefV8Value.CreateDate(value)));
}
protected internal unsafe override bool SetByIndex(int index, CefV8Value @object, CefV8Value value, ref string exception)
{
return(_implementation.SetByIndex(index, @object, value, ref exception));
}
protected internal unsafe override bool GetByIndex(int index, CefV8Value @object, ref CefV8Value retval, ref string exception)
{
return(_implementation.GetByIndex(index, @object, ref retval, ref exception));
}
public IJavascriptObject CreateString(string value)
{
return(new CefV8_JavascriptObject(CefV8Value.CreateString(value)));
}
public CefV8Value CreateObject()
{
Handler = CefV8Value.CreateObject();
Handler.SetValue("log", CefV8Value.CreateFunction("log", this), CefV8PropertyAttribute.None);
return(Handler);
}
protected override bool Execute(string name, CefV8Value obj, CefV8Value[] arguments, out CefV8Value returnValue, out string exception)
{
returnValue = CefV8Value.CreateNull();
exception = null;
return(true);
}
public object Bind(CefV8Value obj)
{
// TODO: bind proxy to v8 value, it will be inspect obj and cache v8 functions to access them
// TODO: also proxy object must reference FrameContext, 'cause it require to know a v8context
return(Activator.CreateInstance(proxyType, null));
}
internal V8Array(CefV8Value val)
{
_value = val;
}
protected override bool Execute(string name, CefV8Value obj, CefV8Value[] arguments, out CefV8Value returnValue, out string exception)
{
if (name == _config.JSQueryFunction)
{
if (arguments.Length != 1 || !arguments[0].IsObject)
{
returnValue = null;
exception = "Invalid arguments; expecting a single object";
return true;
}
var arg = arguments[0];
var requestVal = arg.GetValue(CefMessageRouter.MemberRequest);
if (requestVal == null || !requestVal.IsString)
{
returnValue = null;
exception = "Invalid arguments; object member '" +
CefMessageRouter.MemberRequest + "' is required and must " +
"have type string";
return true;
}
CefV8Value successVal = null;
if (arg.HasValue(CefMessageRouter.MemberOnSuccess))
{
successVal = arg.GetValue(CefMessageRouter.MemberOnSuccess);
if (!successVal.IsFunction)
{
returnValue = null;
exception = "Invalid arguments; object member '" +
CefMessageRouter.MemberOnSuccess + "' must have type " +
"function";
return true;
}
}
CefV8Value failureVal = null;
if (arg.HasValue(CefMessageRouter.MemberOnFailure))
{
failureVal = arg.GetValue(CefMessageRouter.MemberOnFailure);
if (!failureVal.IsFunction)
{
returnValue = null;
exception = "Invalid arguments; object member '" +
CefMessageRouter.MemberOnFailure + "' must have type " +
"function";
return true;
}
}
CefV8Value persistentVal = null;
if (arg.HasValue(CefMessageRouter.MemberPersistent))
{
persistentVal = arg.GetValue(CefMessageRouter.MemberPersistent);
if (!persistentVal.IsBool)
{
returnValue = null;
exception = "Invalid arguments; object member '" +
CefMessageRouter.MemberPersistent + "' must have type " +
"boolean";
return true;
}
}
var context = CefV8Context.GetCurrentContext();
var contextId = GetIDForContext(context);
var frameId = context.GetFrame().Identifier;
var persistent = (persistentVal != null && persistentVal.GetBoolValue());
var requestId = _router.SendQuery(context.GetBrowser(), frameId, contextId,
requestVal.GetStringValue(), persistent, successVal, failureVal);
returnValue = CefV8Value.CreateInt(requestId);
exception = null;
return true;
}
else if (name == _config.JSCancelFunction)
{
if (arguments.Length != 1 || !arguments[0].IsInt)
{
returnValue = null;
exception = "Invalid arguments; expecting a single integer";
return true;
}
var result = false;
var requestId = arguments[0].GetIntValue();
if (requestId != CefMessageRouter.ReservedId)
{
CefV8Context context = CefV8Context.GetCurrentContext();
var contextId = GetIDForContext(context);
var frameId = context.GetFrame().Identifier;
result = _router.SendCancel(context.GetBrowser(), frameId, contextId, requestId);
}
returnValue = CefV8Value.CreateBool(result);
exception = null;
return true;
}
returnValue = null;
exception = null;
return false;
}
// Returns the new request ID.
private int SendQuery(CefBrowser browser, long frameId, int contextId, string request, bool persistent, CefV8Value successCallback, CefV8Value failureCallback)
{
Helpers.RequireRendererThread();
var requestId = _requestIdGenerator.GetNextId();
var info = new RequestInfo
{
Persistent = persistent,
SuccessCallback = successCallback,
FailureCallback = failureCallback,
};
_browserRequestInfoMap.Add(browser.Identifier, new KeyValuePair<int, int>(contextId, requestId), info);
var message = CefProcessMessage.Create(_queryMessageName);
var args = message.Arguments;
args.SetInt(0, Helpers.Int64GetLow(frameId));
args.SetInt(1, Helpers.Int64GetHigh(frameId));
args.SetInt(2, contextId);
args.SetInt(3, requestId);
args.SetString(4, request);
args.SetBool(5, persistent);
browser.SendProcessMessage(CefProcessId.Browser, message);
args.Dispose();
message.Dispose();
return requestId;
}
public IJavascriptObject CreateUndefined()
{
return(new CefV8_JavascriptObject(CefV8Value.CreateUndefined()));
}
protected override bool Execute(string name, CefV8Value obj, CefV8Value[] arguments, out CefV8Value returnValue, out string exception)
{
returnValue = CefV8Value.CreateNull();
exception = null;
try
{
var context = CefV8Context.GetCurrentContext();
var browser = context.GetBrowser();
var frame = browser.GetMainFrame();
if (name == "log" && arguments.Length > 0)
{
var message = arguments[0].GetStringValue();
if (!string.IsNullOrEmpty(message))
{
Log.Trace(message.ToString(), true);
}
}
return(true);
}
catch (Exception ex)
{
returnValue = CefV8Value.CreateNull();
exception = ex.Message;
return(true);
}
}
public IJavascriptObject CreateObject(ObjectObservability objectObservability)
{
return(UpdateObject(CefV8Value.CreateObject(null), objectObservability));
}
protected override bool Execute(string name, CefV8Value obj, CefV8Value[] arguments, out CefV8Value returnValue, out string exception)
{
exception = null;
returnValue = null;
switch (name)
{
case "sendMessage":
string inputArg_Name = arguments[0].GetStringValue();
string inputArg_Value = arguments[1].GetStringValue();
if (inputArg_Name == "Send Message To Browser")
{
CefProcessMessage processMessage = CefProcessMessage.Create(inputArg_Name);
CefListValue listValue = processMessage.Arguments;
listValue.SetString(0, inputArg_Name);
CefV8Context.GetCurrentContext().GetBrowser().SendProcessMessage(CefProcessId.Browser, processMessage);
}
break;
default:
returnValue = null;
break;
}
return(true);
}
public static IJavascriptObject Convert(this CefV8Value value)
{
return(new CefV8_JavascriptObject(value));
}
/// <summary>
/// The on context created.
/// </summary>
/// <param name="browser">
/// The browser.
/// </param>
/// <param name="frame">
/// The frame.
/// </param>
/// <param name="context">
/// The context.
/// </param>
protected override void OnContextCreated(CefBrowser browser, CefFrame frame, CefV8Context context)
{
#region Initialize
var global = context.GetGlobal();
#endregion
#region Exposed
CefV8Value exposed = CefV8Value.CreateObject();
global.SetValue("exposed", exposed, CefV8PropertyAttribute.None);
#endregion
#region Cef Assembly
var extension = new CefAssembly(browser, frame, context);
extension.CreateObject(global, new List <string>()
{
"mscorlib", "System", "System.Core"
});
//extension.CreateObject(global, AppDomain.CurrentDomain.GetAssemblies().Where(s =>
//{
// if (s.GetName().Name.StartsWith("blis")) return true;
// return false;
//})
//.Select(s => s.GetName().Name).ToList());
#endregion
#region Custom XHR
var xhr = new xhrObject(browser, frame, context);
global.SetValue("xHttpRequest", xhr.CreateObject(), CefV8PropertyAttribute.None);
#endregion
#region V8 Engine API
var v8Engine = new V8EngineObject(browser, frame, context);
global.SetValue("V8Engine", v8Engine.CreateObject(), CefV8PropertyAttribute.None);
#endregion
#region Database API
var database = new DatabaseObject(browser, frame, context);
global.SetValue("DB", database.CreateObject(), CefV8PropertyAttribute.None);
#endregion
#region Console API
var console = new ConsoleObject(browser, frame, context);
global.SetValue("Console", database.CreateObject(), CefV8PropertyAttribute.None);
#endregion
#region Window API
var window = new WindowObject(browser, frame, context);
global.SetValue("Window", window.CreateObject(), CefV8PropertyAttribute.None);
#endregion
#region Server API
var server = new ServerObject(browser, frame, context, this);
global.SetValue("Server", server.CreateObject(), CefV8PropertyAttribute.None);
#endregion
#region ChromeDevToosProtocol Object
var chromeDevToolsProtocol = new ChromeDevToolsProtocol(browser, frame, context);
global.SetValue("DevTools", chromeDevToolsProtocol.CreateObject(), CefV8PropertyAttribute.None);
#endregion
#region V8 Object
//var v8object = new V8Object(browser, frame, context);
global.SetValue("V8Object", v8Engine.v8object.CreateObject(), CefV8PropertyAttribute.None);
#endregion
#region OnContextCreated
MessageRouter.OnContextCreated(browser, frame, context);
context.Dispose();
#endregion
}
private void WriteV8Value(CefV8Value value, StringBuilder result, int indent = 0)
{
/*
var isUndefined = value.IsUndefined;
var isNull = value.IsNull;
var isBool = value.IsBool;
var isInt = value.IsInt;
var isDouble = value.IsDouble;
var isDate = value.IsDate;
var isString = value.IsString;
var isArray = value.IsArray;
var isObject = value.IsObject;
var isFunction = value.IsFunction;
result.Append("[");
if (isUndefined) result.Append("undefined ");
if (isNull) result.Append("null ");
if (isBool) result.Append("bool ");
if (isInt) result.Append("int ");
if (isDouble) result.Append("double ");
if (isDate) result.Append("date ");
if (isString) result.Append("string ");
if (isArray) result.Append("array ");
if (isObject) result.Append("object ");
if (isFunction) result.Append("function");
result.Append("]");
*/
if (value.IsUndefined)
{
result.Append("(undefined)");
}
else if (value.IsNull)
{
result.Append("(null)");
}
else if (value.IsBool)
{
result.AppendFormat("(bool) {0}", value.GetBoolValue() ? "true" : "false");
}
else if (value.IsInt)
{
result.AppendFormat("(int) {0}", value.GetIntValue());
}
else if (value.IsDouble)
{
result.AppendFormat("(double) {0}", value.GetDoubleValue().ToString(CultureInfo.InvariantCulture.NumberFormat));
}
else if (value.IsDate)
{
result.AppendFormat("(date) {0}", value.GetDateValue().ToString("s"));
}
else if (value.IsString)
{
result.AppendFormat("(string) {0}", value.GetStringValue());
}
else if (value.IsArray) // for array IsObject also is true
{
var indentString = string.Empty.PadLeft((indent + 1) * 4, ' ');
result.Append("(array) [");
var length = value.GetArrayLength();
for (var i = 0; i < length; i++)
{
result.AppendFormat("\n{0}{1} = ", indentString, i);
WriteV8Value(value.GetValue(i), result, indent + 1);
}
if (length != 0)
{
result.Append('\n');
result.Append(indentString);
}
result.Append(']');
}
else if (value.IsFunction) // for function IsObject also is true
{
var name = value.GetFunctionName();
var handler = value.GetFunctionHandler();
var declaration = value.GetStringValue();
result.Append("(function) ");
result.Append(!string.IsNullOrEmpty(name) ? name : "(anonymous)");
if (handler != null)
{
result.Append(" (handler: ");
result.Append(handler.ToString());
result.Append(")");
}
if (!string.IsNullOrEmpty(declaration))
{
result.Append(" = ");
result.Append(declaration);
}
}
else if (value.IsObject)
{
var indentString = string.Empty.PadLeft((indent + 1) * 4, ' ');
result.Append("(object) {");
var keys = value.GetKeys().AsEnumerable();
foreach (var key in keys)
{
result.AppendFormat("\n{0}{1} = ", indentString, key);
WriteV8Value(value.GetValue(key), result, indent + 1);
}
if (keys.Any())
{
result.Append('\n');
result.Append(indentString);
}
result.Append('}');
}
//else result.Append("(unknown)");
}
public IJavascriptObject CreateObject(bool readOnly)
{
return(UpdateObject(CefV8Value.CreateObject(null), readOnly));
}
protected internal unsafe override bool SetByName(string name, CefV8Value @object, CefV8Value value, ref string exception)
{
return(_implementation.SetByName(name, @object, value, ref exception));
}
private CefV8_JavascriptObject UpdateObject(CefV8Value res, bool?readOnly = null)
{
BasicUpdateObject(res, readOnly);
return(new CefV8_JavascriptObject(res));
}
public IJavascriptObject CreateBool(bool value)
{
return(new CefV8_JavascriptObject(CefV8Value.CreateBool(value)));
}
public WebCallback(CefV8Context context, CefTaskRunner runner, CefV8Value callback)
{
this.Context = context;
this.Runner = runner;
this.Callback = callback;
}
public IJavascriptObject CreateDouble(double value)
{
return(new CefV8_JavascriptObject(CefV8Value.CreateDouble(value)));
}
protected override bool Execute(string name, CefV8Value obj, CefV8Value[] arguments, out CefV8Value returnValue, out string exception)
{
var message = default(CefProcessMessage);
try
{
CefListValue args;
switch (name)
{
case ReportDocumentSize:
message = CefProcessMessage.Create("document-size-response");
using (args = message.Arguments)
{
args.SetInt(0, arguments[0].GetIntValue());
args.SetInt(1, arguments[1].GetIntValue());
Frame.SendProcessMessage(CefProcessId.Browser, message);
}
returnValue = null;
exception = null;
return(true);
default:
returnValue = null;
exception = null;
return(false);
}
}
finally
{
message?.Dispose();
}
}
private static void SetAttribute(CefV8Value value, string name, CefV8Value propertyValue)
{
value.SetValue(name, propertyValue, CefV8PropertyAttribute.ReadOnly | CefV8PropertyAttribute.DontEnum | CefV8PropertyAttribute.DontDelete);
}
protected override bool Execute(string name, CefV8Value obj, CefV8Value[] arguments, out CefV8Value returnValue, out string exception)
{
try
{
returnValue = handler(name, obj, arguments);
exception = null;
}
catch (Exception e)
{
returnValue = null;
exception = e.ToString();
}
return(true);
}
public IJavascriptObject CreateNull()
{
return(new CefV8_JavascriptObject(CefV8Value.CreateNull()));
}
protected override void OnContextCreated(CefBrowser browser, CefFrame frame, CefV8Context context)
{
if (frame.IsMain)
{
// Retrieve the context's window object and install the "vvvvReportDocumentSize" function
// used to tell the node about the document size as well as the "vvvvSend" function
// used to tell the node about variables computed inside the frame.
using (var window = context.GetGlobal())
{
var handler = new CustomCallbackHandler(browser, frame);
var reportDocumentSizeFunc = CefV8Value.CreateFunction(CustomCallbackHandler.ReportDocumentSize, handler);
window.SetValue(CustomCallbackHandler.ReportDocumentSize, reportDocumentSizeFunc);
window.SetValue("vvvvQuery", CefV8Value.CreateFunction("vvvvQuery", new DelegatingHandler((name, obj, args) =>
{
const string argForm = "{ request: 'NAME', arguments: {}, onSuccess: function(response) {}, onError: function(error_message) {} }";
string invalidArg = $"vvvvQuery expects one argument of the form {argForm}";
if (args.Length != 1)
{
throw new Exception($"vvvvQuery expects one argument");
}
var x = args[0];
if (x is null || !x.IsObject)
{
throw new Exception($"The argument must be of the form {argForm}");
}
var requestValue = x.GetValue("request");
if (requestValue.IsUndefined)
{
throw new Exception($"The request entry is missing");
}
if (!requestValue.IsString)
{
throw new Exception($"The request must be a string");
}
var onSuccessValue = x.GetValue("onSuccess");
if (!onSuccessValue.IsUndefined && !onSuccessValue.IsFunction)
{
throw new Exception($"The onSuccess entry must be a function");
}
var onErrorValue = x.GetValue("onError");
if (!onErrorValue.IsUndefined && !onErrorValue.IsFunction)
{
throw new Exception($"The onError entry must be a function");
}
var request = requestValue.GetStringValue();
var id = queryCount++;
if (queries.TryAdd((request, id), (context, onSuccessValue, onErrorValue)))
{
using var message = CefProcessMessage.Create("query-request");
message.Arguments.SetString(0, request);
message.Arguments.SetInt(1, id);
message.Arguments.SetValue(2, ToValue(x.GetValue("arguments")));
frame.SendProcessMessage(CefProcessId.Browser, message);
}
return(default);
public IJavascriptObject CreateObject()
{
return(UpdateObject(CefV8Value.CreateObject(null)));
}
public object Bind(CefV8Value obj)
{
// TODO: bind proxy to v8 value, it will be inspect obj and cache v8 functions to access them
// TODO: also proxy object must reference FrameContext, 'cause it require to know a v8context
return Activator.CreateInstance(proxyType, null);
}
public IJavascriptObject CreateUint(uint value)
{
return(new CefV8_JavascriptObject(CefV8Value.CreateUInt(value)));
}
private string Dump(CefV8Value[] arguments)
{
var result = new StringBuilder();
var argCount = arguments != null ? arguments.Length : 0;
for (var i = 0; i < argCount; i++)
{
result.AppendFormat("arg[{0}] = ", i);
WriteV8Value(arguments[i], result);
result.Append('\n');
}
return result.ToString();
}
protected override bool Execute(string name, CefV8Value obj, CefV8Value[] arguments, out CefV8Value returnValue, out string exception)
{
returnValue = CefV8Value.CreateNull();
exception = null;
try
{
var context = CefV8Context.GetCurrentContext();
var browser = context.GetBrowser();
var frame = browser.GetMainFrame();
if (name == "Create")
{
var Handler = CefV8Value.CreateObject();
Handler.SetValue("open", CefV8Value.CreateFunction("open", this), CefV8PropertyAttribute.None);
Handler.SetValue("send", CefV8Value.CreateFunction("send", this), CefV8PropertyAttribute.None);
Handler.SetValue("onreadystatechange", CefV8Value.CreateFunction("onreadystatechange", this), CefV8PropertyAttribute.None);
Handler.SetValue("setRequestHeader", CefV8Value.CreateFunction("setRequestHeader", this), CefV8PropertyAttribute.None);
Handler.SetValue("getResponseHeader", CefV8Value.CreateFunction("getResponseHeader", this), CefV8PropertyAttribute.None);
returnValue = Handler;
}
else if (name == "open")
{
if (arguments.Length >= 2)
{
var method = arguments[0].GetStringValue();
var url = arguments[1].GetStringValue();
_req = (HttpWebRequest)WebRequest.Create(arguments[1].GetStringValue());
_req.Method = method;
}
}
else if (name == "send")
{
string data = null;
try
{
if (_req.Method == "POST" && arguments.Length == 1)
{
if (arguments[0].IsString)
{
var pd = Encoding.UTF8.GetBytes(arguments[0].GetStringValue());
_req.GetRequestStream().Write(pd, 0, pd.Length);
}
else if (arguments[0].IsArray)
{
var result = arguments[0];
var values = new List <char>();
for (int i = 0; i < result.GetArrayLength(); i++)
{
var value = result.GetValue(i);
values.Add(Extension.ConvertToV8Value(value));
}
var pd = values.Select(c => (byte)c).ToArray();
_req.GetRequestStream().Write(pd, 0, pd.Length);
}
}
_rsp = (HttpWebResponse)_req.GetResponse();
if (_rsp.StatusCode == HttpStatusCode.OK)
{
var d = new StreamReader(_rsp.GetResponseStream()).ReadToEnd();
if (!string.IsNullOrEmpty(d))
{
data = d;
}
}
}
catch {}
if (data != null)
{
returnValue = CefV8Value.CreateString(data);
}
}
else if (name == "setRequestHeader")
{
if (arguments.Length == 2)
{
if (_req != null)
{
var _name = arguments[0].GetStringValue();
var val = arguments[1].GetStringValue();
if (!string.IsNullOrEmpty(_name) && !string.IsNullOrEmpty(val))
{
if (_name.ToLower() == "user-agent")
{
_req.UserAgent = val;
}
else if (_name.ToLower() == "connection")
{
_req.KeepAlive = val.ToLower() == "keep-alive";
}
else
{
_req.Headers.Add(_name, val);
}
}
}
}
}
else if (name == "getResponseHeader")
{
string val = null;
if (arguments.Length == 1 && _rsp != null)
{
val = _rsp.Headers[arguments[0].GetStringValue()];
}
if (val != null)
{
returnValue = CefV8Value.CreateString(val);
}
}
return(true);
}
catch (Exception ex)
{
returnValue = CefV8Value.CreateNull();
exception = ex.Message;
return(true);
}
}
protected override bool Execute(string name, CefV8Value obj, CefV8Value[] arguments, out CefV8Value returnValue, out string exception)
{
try
{
if (name == "Log")
{
var message = arguments[0].GetStringValue();
#if DIAGNOSTICS
Cef.Logger.Info(LogTarget.Default, message);
#endif
returnValue = null;
}
else if (name == "ReturnVoid")
{
returnValue = null;
}
else if (name == "ReturnVoidAndDisposeThis")
{
returnValue = null;
if (obj != null) { obj.Dispose(); obj = null; }
}
else if (name == "ReturnUndefined")
{
returnValue = CefV8Value.CreateUndefined();
}
else if (name == "ReturnNull")
{
returnValue = CefV8Value.CreateNull();
}
else if (name == "ReturnBool")
{
returnValue = CefV8Value.CreateBool(true);
}
else if (name == "ReturnInt")
{
returnValue = CefV8Value.CreateInt(12345678);
}
else if (name == "ReturnDouble")
{
returnValue = CefV8Value.CreateDouble(1234.5678);
}
else if (name == "ReturnDate")
{
returnValue = CefV8Value.CreateDate(DateTime.UtcNow);
}
else if (name == "ReturnString")
{
returnValue = CefV8Value.CreateString("Some string, passed to CEF!");
}
else if (name == "ReturnArray")
{
var array = CefV8Value.CreateArray(3);
array.SetValue(0, CefV8Value.CreateInt(123));
array.SetValue(1, CefV8Value.CreateString("hello!"));
array.SetValue(2, CefV8Value.CreateBool(false));
returnValue = array;
}
else if (name == "ReturnObject")
{
var obj1 = CefV8Value.CreateObject();
obj1.SetValue("index", CefV8Value.CreateInt(123));
obj1.SetValue("reply", CefV8Value.CreateString("hello!"));
obj1.SetValue("success", CefV8Value.CreateBool(false));
returnValue = obj1;
}
else if (name == "ReturnComplexArray")
{
var obj1 = CefV8Value.CreateObject();
obj1.SetValue("index", CefV8Value.CreateInt(123));
obj1.SetValue("reply", CefV8Value.CreateString("hello!"));
obj1.SetValue("success", CefV8Value.CreateBool(false));
var array = CefV8Value.CreateArray(5);
array.SetValue(0, CefV8Value.CreateInt(123));
array.SetValue(1, CefV8Value.CreateString("hello!"));
array.SetValue(2, CefV8Value.CreateBool(false));
array.SetValue(3, obj1);
array.SetValue(4, CefV8Value.CreateString("hello2!"));
obj1 = CefV8Value.CreateObject();
obj1.SetValue("index", CefV8Value.CreateInt(123));
obj1.SetValue("reply", CefV8Value.CreateString("hello!"));
obj1.SetValue("success", CefV8Value.CreateBool(false));
var obj2 = CefV8Value.CreateObject();
obj2.SetValue("i'm still", CefV8Value.CreateString("alive"));
obj1.SetValue("inner", obj2);
array.SetValue(5, obj1);
returnValue = array;
}
else if (name == "ReturnComplexObject")
{
var obj1 = CefV8Value.CreateObject();
obj1.SetValue("index", CefV8Value.CreateInt(123));
obj1.SetValue("reply", CefV8Value.CreateString("hello!"));
obj1.SetValue("success", CefV8Value.CreateBool(false));
var obj2 = CefV8Value.CreateObject();
obj2.SetValue("i'm still", CefV8Value.CreateString("alive"));
obj1.SetValue("inner", obj2);
obj2.Dispose(); // force to dispose object wrapper and underlying v8 persistent handle.
// note, that obj2 will passed in obj before, but it anyway safe to destroy obj2 handle,
// 'cause v8 api internally always open handles.
returnValue = obj1;
}
else if (name == "SubtractIntImplicit")
{
var a = arguments[0].GetIntValue();
var b = arguments[1].GetIntValue();
returnValue = CefV8Value.CreateInt(a - b);
}
else if (name == "SubtractIntExplicit")
{
if (!arguments[0].IsInt) throw new ArgumentException("arg0");
var a = arguments[0].GetIntValue();
if (!arguments[1].IsInt) throw new ArgumentException("arg1");
var b = arguments[1].GetIntValue();
returnValue = CefV8Value.CreateInt(a - b);
}
else if (name == "Dump")
{
returnValue = CefV8Value.CreateString(Dump(arguments));
}
else if (name == "get_PrivateWorkingSet")
{
var result = Process.GetCurrentProcess().PrivateMemorySize64 / (1024.0 * 1024.0);
returnValue = CefV8Value.CreateDouble(result);
}
else if (name == "leakTestV8Func")
{
var handler = new TestV8Handler();
for (var i = 0; i < 100000; i++)
{
var x = CefV8Value.CreateFunction("LeakTest", handler);
x.Dispose();
}
returnValue = CefV8Value.CreateBool(true);
}
else
{
returnValue = null;
exception = null;
return false;
}
exception = null;
return true;
}
catch (Exception ex)
{
returnValue = null;
exception = ex.ToString();
return true;
}
}
private static object InvokeScript(CefV8Context context, string memberName, params object[] args)
{
if (context == null) throw new ArgumentNullException("context");
if (!context.Enter()) throw new CefException("Failed to enter V8 context.");
try
{
// TODO: this list can be private list of context, 'cause we can invoke only one function at one time
List<CefV8Value> proxies = new List<CefV8Value>(16);
// javascript 'this' object
CefV8Value obj = null;
CefV8Value target = context.GetGlobal();
proxies.Add(target);
if (!memberName.Contains('.'))
{
obj = target;
target = obj.GetValue(memberName);
proxies.Add(target);
}
else
{
foreach (var member in memberName.Split('.'))
{
obj = target;
target = obj.GetValue(member); // TODO: do analysis of target - if it is not an object - throw
if (!target.IsObject) throw new CefException("Argument 'memberName' must be member access expression to a function. Invalid object in path.");
proxies.Add(target);
}
}
if (!target.IsFunction) throw new ArgumentException("Argument 'memberName' must be member access expression to a function.");
CefV8Value[] v8Args;
if (args.Length == 0) v8Args = null;
else
{
v8Args = new CefV8Value[args.Length]; // TODO: InvokeScript core can be optimized by prevent recreating arrays
for (var i = 0; i < args.Length; i++)
{
var value = CefConvert.ToV8Value(args[i]);
v8Args[i] = value;
}
}
var v8RetVal = target.ExecuteFunctionWithContext(context, obj, v8Args);
// force destroing of proxies, to avoid unneccessary GC load (CLR and V8)
foreach (var proxy in proxies)
proxy.Dispose();
proxies.Clear();
// FIXME: not sure if exception CAN be null, this need to be checked
if (v8RetVal.HasException)
{
var exception = v8RetVal.GetException();
throw new JavaScriptException(exception.GetMessage());
}
//if (!string.IsNullOrEmpty(exception))
var result = CefConvert.ToObject(v8RetVal);
v8RetVal.Dispose();
return result;
}
finally
{
if (!context.Exit()) throw new CefException("Failed to exit V8 context.");
}
}
protected override bool Set(string name, CefV8Value obj, CefV8Value value, out string exception)
{
throw new NotSupportedException();
}
