/* [implicit_jscontext] void writeToContext2D (in nsIDOMCanvasRenderingContext2D ctx, in jsval source, in long width, in long height); */
NS_IMETHODIMP dpoCContext::WriteToContext2D(nsIDOMCanvasRenderingContext2D *ctx, const JS::Value & source, PRInt32 width, PRInt32 height, JSContext* cx)
{
#ifdef DIRECT_WRITE
JSObject *srcArray;
nsresult result;
result = ExtractArray(source, &srcArray, cx);
if (NS_FAILED(result)) {
return result;
}
uint32_t size = JS_GetTypedArrayLength(srcArray);
if (size != width*height*4)
return NS_ERROR_INVALID_ARG;
if (JS_IsFloat32Array(srcArray)) {
unsigned char *data = (unsigned char *) nsMemory::Alloc(size);
float *src = JS_GetFloat32ArrayData(srcArray);
for (int i = 0; i < size; i++) {
float val = src[i];
data[i] = val > 0 ? (val < 255 ? ((int) val) : 255) : 0;
}
ctx->PutImageData_explicit(0, 0, width, height, data, size, false, 0, 0, 0, 0);
nsMemory::Free(data);
} else if (JS_IsFloat64Array(srcArray)) {
unsigned char *data = (unsigned char *) nsMemory::Alloc(size);
double *src = JS_GetFloat64ArrayData(srcArray);
for (int i = 0; i < size; i++) {
double val = src[i];
data[i] = val > 0 ? (val < 255 ? ((int) val) : 255) : 0;
}
ctx->PutImageData_explicit(0, 0, width, height, data, size, false, 0, 0, 0, 0);
nsMemory::Free(data);
} else if(JS_IsUint8ClampedArray(srcArray)) {
uint8_t *src = JS_GetUint8ClampedArrayData(srcArray);
ctx->PutImageData_explicit(0, 0, width, height, src, size, false, 0, 0, 0, 0);
} else if(JS_IsUint8Array(srcArray)) {
return NS_ERROR_INVALID_ARG;
} else {
return NS_ERROR_NOT_IMPLEMENTED;
}
return NS_OK;
#else /* DIRECT_WRITE */
return NS_ERROR_NOT_IMPLEMENTED;
#endif /* DIRECT_WRITE */
}
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;
}