1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/workers/ChromeWorkerScope.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,73 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.7 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "ChromeWorkerScope.h"
1.10 +
1.11 +#include "jsapi.h"
1.12 +
1.13 +#include "nsXPCOM.h"
1.14 +#include "nsNativeCharsetUtils.h"
1.15 +#include "nsString.h"
1.16 +
1.17 +#include "WorkerPrivate.h"
1.18 +
1.19 +using namespace mozilla::dom;
1.20 +USING_WORKERS_NAMESPACE
1.21 +
1.22 +namespace {
1.23 +
1.24 +#ifdef BUILD_CTYPES
1.25 +
1.26 +char*
1.27 +UnicodeToNative(JSContext* aCx, const jschar* aSource, size_t aSourceLen)
1.28 +{
1.29 + nsDependentString unicode(aSource, aSourceLen);
1.30 +
1.31 + nsAutoCString native;
1.32 + if (NS_FAILED(NS_CopyUnicodeToNative(unicode, native))) {
1.33 + JS_ReportError(aCx, "Could not convert string to native charset!");
1.34 + return nullptr;
1.35 + }
1.36 +
1.37 + char* result = static_cast<char*>(JS_malloc(aCx, native.Length() + 1));
1.38 + if (!result) {
1.39 + return nullptr;
1.40 + }
1.41 +
1.42 + memcpy(result, native.get(), native.Length());
1.43 + result[native.Length()] = 0;
1.44 + return result;
1.45 +}
1.46 +
1.47 +#endif // BUILD_CTYPES
1.48 +
1.49 +} // anonymous namespace
1.50 +
1.51 +BEGIN_WORKERS_NAMESPACE
1.52 +
1.53 +bool
1.54 +DefineChromeWorkerFunctions(JSContext* aCx, JS::Handle<JSObject*> aGlobal)
1.55 +{
1.56 + // Currently ctypes is the only special property given to ChromeWorkers.
1.57 +#ifdef BUILD_CTYPES
1.58 + {
1.59 + JS::Rooted<JS::Value> ctypes(aCx);
1.60 + if (!JS_InitCTypesClass(aCx, aGlobal) ||
1.61 + !JS_GetProperty(aCx, aGlobal, "ctypes", &ctypes)) {
1.62 + return false;
1.63 + }
1.64 +
1.65 + static JSCTypesCallbacks callbacks = {
1.66 + UnicodeToNative
1.67 + };
1.68 +
1.69 + JS_SetCTypesCallbacks(JSVAL_TO_OBJECT(ctypes), &callbacks);
1.70 + }
1.71 +#endif // BUILD_CTYPES
1.72 +
1.73 + return true;
1.74 +}
1.75 +
1.76 +END_WORKERS_NAMESPACE
