axmol/cocos/scripting/js-bindings/manual/network/jsb_websocket.cpp

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/*
* Created by James Chen
* Copyright (c) 2013-2014 Chukong Technologies Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "jsb_websocket.h"
#include "cocos2d.h"
#include "network/WebSocket.h"
#include "spidermonkey_specifics.h"
#include "ScriptingCore.h"
#include "cocos2d_specifics.hpp"
using namespace cocos2d::network;
/*
[Constructor(in DOMString url, in optional DOMString protocols)]
[Constructor(in DOMString url, in optional DOMString[] protocols)]
interface WebSocket {
readonly attribute DOMString url;
// ready state
const unsigned short CONNECTING = 0;
const unsigned short OPEN = 1;
const unsigned short CLOSING = 2;
const unsigned short CLOSED = 3;
readonly attribute unsigned short readyState;
readonly attribute unsigned long bufferedAmount;
// networking
attribute Function onopen;
attribute Function onmessage;
attribute Function onerror;
attribute Function onclose;
readonly attribute DOMString protocol;
void send(in DOMString data);
void close();
};
WebSocket implements EventTarget;
*/
class JSB_WebSocketDelegate : public WebSocket::Delegate
{
public:
JSB_WebSocketDelegate()
{
JSContext* cx = ScriptingCore::getInstance()->getGlobalContext();
_JSDelegate.construct(cx);
}
~JSB_WebSocketDelegate()
{
_JSDelegate.destroyIfConstructed();
}
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virtual void onOpen(WebSocket* ws)
{
js_proxy_t * p = jsb_get_native_proxy(ws);
if (!p) return;
JSB_AUTOCOMPARTMENT_WITH_GLOBAL_OBJCET
JSContext* cx = ScriptingCore::getInstance()->getGlobalContext();
JS::RootedObject jsobj(cx, JS_NewObject(cx, NULL, JS::NullPtr(), JS::NullPtr()));
JS::RootedValue vp(cx);
vp = c_string_to_jsval(cx, "open");
JS_SetProperty(cx, jsobj, "type", vp);
jsval args = OBJECT_TO_JSVAL(jsobj);
ScriptingCore::getInstance()->executeFunctionWithOwner(OBJECT_TO_JSVAL(_JSDelegate.ref()), "onopen", 1, &args);
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}
virtual void onMessage(WebSocket* ws, const WebSocket::Data& data)
{
js_proxy_t * p = jsb_get_native_proxy(ws);
if (!p) return;
JSB_AUTOCOMPARTMENT_WITH_GLOBAL_OBJCET
JSContext* cx = ScriptingCore::getInstance()->getGlobalContext();
JS::RootedObject jsobj(cx, JS_NewObject(cx, NULL, JS::NullPtr(), JS::NullPtr()));
JS::RootedValue vp(cx);
vp = c_string_to_jsval(cx, "message");
JS_SetProperty(cx, jsobj, "type", vp);
jsval args = OBJECT_TO_JSVAL(jsobj);
if (data.isBinary)
{// data is binary
JSObject* buffer = JS_NewArrayBuffer(cx, static_cast<uint32_t>(data.len));
uint8_t* bufdata = JS_GetArrayBufferData(buffer);
memcpy((void*)bufdata, (void*)data.bytes, data.len);
JS::RootedValue dataVal(cx);
dataVal = OBJECT_TO_JSVAL(buffer);
JS_SetProperty(cx, jsobj, "data", dataVal);
}
else
{// data is string
JS::RootedValue dataVal(cx);
dataVal = c_string_to_jsval(cx, data.bytes);
JS_SetProperty(cx, jsobj, "data", dataVal);
}
ScriptingCore::getInstance()->executeFunctionWithOwner(OBJECT_TO_JSVAL(_JSDelegate.ref()), "onmessage", 1, &args);
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}
virtual void onClose(WebSocket* ws)
{
js_proxy_t * p = jsb_get_native_proxy(ws);
if (!p) return;
JSB_AUTOCOMPARTMENT_WITH_GLOBAL_OBJCET
JSContext* cx = ScriptingCore::getInstance()->getGlobalContext();
JS::RootedObject jsobj(cx, JS_NewObject(cx, NULL, JS::NullPtr(), JS::NullPtr()));
JS::RootedValue vp(cx);
vp = c_string_to_jsval(cx, "close");
JS_SetProperty(cx, jsobj, "type", vp);
jsval args = OBJECT_TO_JSVAL(jsobj);
ScriptingCore::getInstance()->executeFunctionWithOwner(OBJECT_TO_JSVAL(_JSDelegate.ref()), "onclose", 1, &args);
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js_proxy_t* jsproxy = jsb_get_js_proxy(p->obj);
JS::RemoveObjectRoot(cx, &jsproxy->obj);
jsb_remove_proxy(p, jsproxy);
CC_SAFE_DELETE(ws);
}
virtual void onError(WebSocket* ws, const WebSocket::ErrorCode& error)
{
js_proxy_t * p = jsb_get_native_proxy(ws);
if (!p) return;
JSB_AUTOCOMPARTMENT_WITH_GLOBAL_OBJCET
JSContext* cx = ScriptingCore::getInstance()->getGlobalContext();
JS::RootedObject jsobj(cx, JS_NewObject(cx, NULL, JS::NullPtr(), JS::NullPtr()));
JS::RootedValue vp(cx);
vp = c_string_to_jsval(cx, "error");
JS_SetProperty(cx, jsobj, "type", vp);
jsval args = OBJECT_TO_JSVAL(jsobj);
ScriptingCore::getInstance()->executeFunctionWithOwner(OBJECT_TO_JSVAL(_JSDelegate.ref()), "onerror", 1, &args);
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}
void setJSDelegate(JS::HandleObject pJSDelegate)
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{
_JSDelegate.ref() = pJSDelegate;
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}
private:
mozilla::Maybe<JS::PersistentRootedObject> _JSDelegate;
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};
JSClass *js_cocos2dx_websocket_class;
JSObject *js_cocos2dx_websocket_prototype;
void js_cocos2dx_WebSocket_finalize(JSFreeOp *fop, JSObject *obj) {
CCLOG("jsbindings: finalizing JS object %p (WebSocket)", obj);
}
bool js_cocos2dx_extension_WebSocket_send(JSContext *cx, uint32_t argc, jsval *vp)
{
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
JS::RootedObject obj(cx, args.thisv().toObjectOrNull());
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js_proxy_t *proxy = jsb_get_js_proxy(obj);
WebSocket* cobj = (WebSocket *)(proxy ? proxy->ptr : NULL);
JSB_PRECONDITION2( cobj, cx, false, "Invalid Native Object");
if(argc == 1){
do
{
if (args.get(0).isString())
{
std::string data;
jsval_to_std_string(cx, args.get(0), &data);
cobj->send(data);
break;
}
if (args.get(0).isObject())
{
uint8_t *bufdata = NULL;
uint32_t len = 0;
JSObject* jsobj = args.get(0).toObjectOrNull();
if (JS_IsArrayBufferObject(jsobj))
{
bufdata = JS_GetArrayBufferData(jsobj);
len = JS_GetArrayBufferByteLength(jsobj);
}
else if (JS_IsArrayBufferViewObject(jsobj))
{
bufdata = (uint8_t*)JS_GetArrayBufferViewData(jsobj);
len = JS_GetArrayBufferViewByteLength(jsobj);
}
if (bufdata && len > 0)
{
cobj->send(bufdata, len);
break;
}
}
JS_ReportError(cx, "data type to be sent is unsupported.");
} while (0);
args.rval().setUndefined();
return true;
}
JS_ReportError(cx, "wrong number of arguments: %d, was expecting %d", argc, 0);
return true;
}
bool js_cocos2dx_extension_WebSocket_close(JSContext *cx, uint32_t argc, jsval *vp){
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
JS::RootedObject obj(cx, args.thisv().toObjectOrNull());
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js_proxy_t *proxy = jsb_get_js_proxy(obj);
WebSocket* cobj = (WebSocket *)(proxy ? proxy->ptr : NULL);
JSB_PRECONDITION2( cobj, cx, false, "Invalid Native Object");
if(argc == 0){
cobj->close();
args.rval().setUndefined();
return true;
}
JS_ReportError(cx, "wrong number of arguments: %d, was expecting %d", argc, 0);
return false;
}
bool js_cocos2dx_extension_WebSocket_constructor(JSContext *cx, uint32_t argc, jsval *vp)
{
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
if (argc == 1 || argc == 2)
{
std::string url;
do {
bool ok = jsval_to_std_string(cx, args.get(0), &url);
JSB_PRECONDITION2( ok, cx, false, "Error processing arguments");
} while (0);
JS::RootedObject obj(cx, JS_NewObject(cx, js_cocos2dx_websocket_class, JS::RootedObject(cx, js_cocos2dx_websocket_prototype), JS::NullPtr()));
//JS::RootedObject obj(cx, JS_NewObjectForConstructor(cx, js_cocos2dx_websocket_class, args));
WebSocket* cobj = new WebSocket();
JSB_WebSocketDelegate* delegate = new JSB_WebSocketDelegate();
delegate->setJSDelegate(obj);
if (argc == 2)
{
std::vector<std::string> protocols;
if (args.get(1).isString())
{
std::string protocol;
do {
bool ok = jsval_to_std_string(cx, args.get(1), &protocol);
JSB_PRECONDITION2( ok, cx, false, "Error processing arguments");
} while (0);
protocols.push_back(protocol);
}
else if (args.get(1).isObject())
{
bool ok = true;
JS::RootedObject arg2(cx, args.get(1).toObjectOrNull());
JSB_PRECONDITION(JS_IsArrayObject( cx, arg2 ), "Object must be an array");
uint32_t len = 0;
JS_GetArrayLength(cx, arg2, &len);
for( uint32_t i=0; i< len;i++ )
{
JS::RootedValue valarg(cx);
JS_GetElement(cx, arg2, i, &valarg);
std::string protocol;
do {
ok = jsval_to_std_string(cx, valarg, &protocol);
JSB_PRECONDITION2( ok, cx, false, "Error processing arguments");
} while (0);
protocols.push_back(protocol);
}
}
cobj->init(*delegate, url, &protocols);
}
else
{
cobj->init(*delegate, url);
}
JS_DefineProperty(cx, obj, "URL", args.get(0), JSPROP_ENUMERATE | JSPROP_PERMANENT | JSPROP_READONLY);
//protocol not support yet (always return "")
JS_DefineProperty(cx, obj, "protocol", JS::RootedValue(cx, c_string_to_jsval(cx, "")), JSPROP_ENUMERATE | JSPROP_PERMANENT | JSPROP_READONLY);
// link the native object with the javascript object
js_proxy_t *p = jsb_new_proxy(cobj, obj);
JS::AddNamedObjectRoot(cx, &p->obj, "WebSocket");
args.rval().set(OBJECT_TO_JSVAL(obj));
return true;
}
JS_ReportError(cx, "wrong number of arguments: %d, was expecting %d", argc, 0);
return false;
}
static bool js_cocos2dx_extension_WebSocket_get_readyState(JSContext *cx, uint32_t argc, jsval *vp)
{
JS::CallArgs args = JS::CallArgsFromVp(argc, vp);
JSObject* jsobj = args.thisv().toObjectOrNull();
js_proxy_t *proxy = jsb_get_js_proxy(jsobj);
WebSocket* cobj = (WebSocket *)(proxy ? proxy->ptr : NULL);
JSB_PRECONDITION2( cobj, cx, false, "Invalid Native Object");
if (cobj) {
args.rval().set(INT_TO_JSVAL((int)cobj->getReadyState()));
return true;
} else {
JS_ReportError(cx, "Error: WebSocket instance is invalid.");
return false;
}
}
void register_jsb_websocket(JSContext *cx, JS::HandleObject global) {
js_cocos2dx_websocket_class = (JSClass *)calloc(1, sizeof(JSClass));
js_cocos2dx_websocket_class->name = "WebSocket";
js_cocos2dx_websocket_class->addProperty = JS_PropertyStub;
js_cocos2dx_websocket_class->delProperty = JS_DeletePropertyStub;
js_cocos2dx_websocket_class->getProperty = JS_PropertyStub;
js_cocos2dx_websocket_class->setProperty = JS_StrictPropertyStub;
js_cocos2dx_websocket_class->enumerate = JS_EnumerateStub;
js_cocos2dx_websocket_class->resolve = JS_ResolveStub;
js_cocos2dx_websocket_class->convert = JS_ConvertStub;
js_cocos2dx_websocket_class->finalize = js_cocos2dx_WebSocket_finalize;
js_cocos2dx_websocket_class->flags = JSCLASS_HAS_RESERVED_SLOTS(2);
static JSPropertySpec properties[] = {
JS_PSG("readyState", js_cocos2dx_extension_WebSocket_get_readyState, JSPROP_ENUMERATE | JSPROP_PERMANENT),
JS_PS_END
};
static JSFunctionSpec funcs[] = {
JS_FN("send",js_cocos2dx_extension_WebSocket_send, 1, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FN("close",js_cocos2dx_extension_WebSocket_close, 0, JSPROP_PERMANENT | JSPROP_ENUMERATE),
JS_FS_END
};
static JSFunctionSpec st_funcs[] = {
JS_FS_END
};
js_cocos2dx_websocket_prototype = JS_InitClass(
cx, global,
JS::NullPtr(),
js_cocos2dx_websocket_class,
js_cocos2dx_extension_WebSocket_constructor, 0, // constructor
properties,
funcs,
NULL, // no static properties
st_funcs);
JS::RootedObject jsclassObj(cx, anonEvaluate(cx, global, "(function () { return WebSocket; })()").toObjectOrNull());
JS_DefineProperty(cx, jsclassObj, "CONNECTING", (int)WebSocket::State::CONNECTING, JSPROP_ENUMERATE | JSPROP_PERMANENT | JSPROP_READONLY);
JS_DefineProperty(cx, jsclassObj, "OPEN", (int)WebSocket::State::OPEN, JSPROP_ENUMERATE | JSPROP_PERMANENT | JSPROP_READONLY);
JS_DefineProperty(cx, jsclassObj, "CLOSING", (int)WebSocket::State::CLOSING, JSPROP_ENUMERATE | JSPROP_PERMANENT | JSPROP_READONLY);
JS_DefineProperty(cx, jsclassObj, "CLOSED", (int)WebSocket::State::CLOSED, JSPROP_ENUMERATE | JSPROP_PERMANENT | JSPROP_READONLY);
// make the class enumerable in the registered namespace
//FIXME: bool found;
// JS_SetPropertyAttributes(cx, global, "WebSocket", JSPROP_ENUMERATE | JSPROP_READONLY, &found);
}