template<> void ScriptInterface::ToJSVal<Grid<u8> >(JSContext* cx, JS::MutableHandleValue ret, const Grid<u8>& val)
{
JSAutoRequest rq(cx);
u32 length = (u32)(val.m_W * val.m_H);
u32 nbytes = (u32)(length * sizeof(u8));
JS::RootedObject objArr(cx, JS_NewUint8Array(cx, length));
memcpy((void*)JS_GetUint8ArrayData(objArr), val.m_Data, nbytes);
JS::RootedValue data(cx, JS::ObjectValue(*objArr));
JS::RootedValue w(cx);
JS::RootedValue h(cx);
ScriptInterface::ToJSVal(cx, &w, val.m_W);
ScriptInterface::ToJSVal(cx, &h, val.m_H);
JS::RootedObject obj(cx, JS_NewObject(cx, nullptr, JS::NullPtr(), JS::NullPtr()));
JS_SetProperty(cx, obj, "width", w);
JS_SetProperty(cx, obj, "height", h);
JS_SetProperty(cx, obj, "data", data);
ret.setObject(*obj);
}
JSBool JSB_jsval_typedarray_to_dataptr( JSContext *cx, jsval vp, GLsizei *count, void **data, JSArrayBufferViewType t)
{
JSObject *jsobj;
JSBool ok = JS_ValueToObject( cx, vp, &jsobj );
JSB_PRECONDITION2( ok && jsobj, cx, JS_FALSE, "Error converting value to object");
// WebGL supports TypedArray and sequences for some of its APIs. So when converting a TypedArray, we should
// also check for a possible non-Typed Array JS object, like a JS Array.
if( JS_IsTypedArrayObject( jsobj ) ) {
*count = JS_GetTypedArrayLength(jsobj);
JSArrayBufferViewType type = JS_GetArrayBufferViewType(jsobj);
JSB_PRECONDITION2(t==type, cx, JS_FALSE, "TypedArray type different than expected type");
switch (t) {
case js::ArrayBufferView::TYPE_INT8:
case js::ArrayBufferView::TYPE_UINT8:
*data = JS_GetUint8ArrayData(jsobj);
break;
case js::ArrayBufferView::TYPE_INT16:
case js::ArrayBufferView::TYPE_UINT16:
*data = JS_GetUint16ArrayData(jsobj);
break;
case js::ArrayBufferView::TYPE_INT32:
case js::ArrayBufferView::TYPE_UINT32:
*data = JS_GetUint32ArrayData(jsobj);
break;
case js::ArrayBufferView::TYPE_FLOAT32:
*data = JS_GetFloat32ArrayData(jsobj);
break;
default:
JSB_PRECONDITION2(false, cx, JS_FALSE, "Unsupported typedarray type");
break;
}
} else if( JS_IsArrayObject(cx, jsobj)) {
// Slow... avoid it. Use TypedArray instead, but the spec says that it can receive
// Sequence<> as well.
uint32_t length;
JS_GetArrayLength(cx, jsobj, &length);
for( uint32_t i=0; i<length; i++ ) {
jsval valarg;
JS_GetElement(cx, jsobj, i, &valarg);
switch(t) {
case js::ArrayBufferView::TYPE_INT32:
case js::ArrayBufferView::TYPE_UINT32:
{
uint32_t e = JSVAL_TO_INT(valarg);
((uint32_t*)data)[i] = e;
break;
}
case js::ArrayBufferView::TYPE_FLOAT32:
{
double e = JSVAL_TO_DOUBLE(valarg);
((GLfloat*)data)[i] = (GLfloat)e;
break;
}
default:
JSB_PRECONDITION2(false, cx, JS_FALSE, "Unsupported typedarray type");
break;
}
}
} else
JSB_PRECONDITION2(false, cx, JS_FALSE, "Object shall be a TypedArray or Sequence");
return JS_TRUE;
}
NS_IMETHODIMP
TCPSocketParent::SendCallback(const nsAString& aType, const JS::Value& aDataVal,
const nsAString& aReadyState, uint32_t aBuffered,
JSContext* aCx)
{
if (!mIPCOpen) {
NS_WARNING("Dropping callback due to no IPC connection");
return NS_OK;
}
CallbackData data;
if (aDataVal.isString()) {
JSString* jsstr = aDataVal.toString();
nsDependentJSString str;
if (!str.init(aCx, jsstr)) {
FireInteralError(this, __LINE__);
return NS_ERROR_OUT_OF_MEMORY;
}
data = str;
} else if (aDataVal.isUndefined() || aDataVal.isNull()) {
data = mozilla::void_t();
} else if (aDataVal.isObject()) {
JSObject* obj = &aDataVal.toObject();
if (JS_IsTypedArrayObject(obj)) {
NS_ENSURE_TRUE(JS_IsUint8Array(obj), NS_ERROR_FAILURE);
uint32_t nbytes = JS_GetTypedArrayByteLength(obj);
uint8_t* buffer = JS_GetUint8ArrayData(obj);
if (!buffer) {
FireInteralError(this, __LINE__);
return NS_ERROR_OUT_OF_MEMORY;
}
FallibleTArray<uint8_t> fallibleArr;
if (!fallibleArr.InsertElementsAt(0, buffer, nbytes)) {
FireInteralError(this, __LINE__);
return NS_ERROR_OUT_OF_MEMORY;
}
InfallibleTArray<uint8_t> arr;
arr.SwapElements(fallibleArr);
data = SendableData(arr);
} else {
nsDependentJSString message, filename;
uint32_t lineNumber = 0;
uint32_t columnNumber = 0;
jsval val;
if (!JS_GetProperty(aCx, obj, "message", &val)) {
NS_ERROR("No message property on supposed error object");
} else if (JSVAL_IS_STRING(val)) {
if (!message.init(aCx, JSVAL_TO_STRING(val))) {
NS_WARNING("couldn't initialize string");
}
}
if (!JS_GetProperty(aCx, obj, "fileName", &val)) {
NS_ERROR("No fileName property on supposed error object");
} else if (JSVAL_IS_STRING(val)) {
if (!filename.init(aCx, JSVAL_TO_STRING(val))) {
NS_WARNING("couldn't initialize string");
}
}
if (!JS_GetProperty(aCx, obj, "lineNumber", &val)) {
NS_ERROR("No lineNumber property on supposed error object");
} else if (JSVAL_IS_INT(val)) {
lineNumber = JSVAL_TO_INT(val);
}
if (!JS_GetProperty(aCx, obj, "columnNumber", &val)) {
NS_ERROR("No columnNumber property on supposed error object");
} else if (JSVAL_IS_INT(val)) {
columnNumber = JSVAL_TO_INT(val);
}
data = JSError(message, filename, lineNumber, columnNumber);
}
} else {
NS_ERROR("Unexpected JS value encountered");
FireInteralError(this, __LINE__);
return NS_ERROR_FAILURE;
}
mozilla::unused <<
PTCPSocketParent::SendCallback(nsString(aType), data,
nsString(aReadyState), aBuffered);
return NS_OK;
}
