summaryrefslogtreecommitdiffstats
path: root/dom/workers/ChromeWorkerScope.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'dom/workers/ChromeWorkerScope.cpp')
-rw-r--r--dom/workers/ChromeWorkerScope.cpp74
1 files changed, 74 insertions, 0 deletions
diff --git a/dom/workers/ChromeWorkerScope.cpp b/dom/workers/ChromeWorkerScope.cpp
new file mode 100644
index 000000000..68ebebfc3
--- /dev/null
+++ b/dom/workers/ChromeWorkerScope.cpp
@@ -0,0 +1,74 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "ChromeWorkerScope.h"
+
+#include "jsapi.h"
+
+#include "nsXPCOM.h"
+#include "nsNativeCharsetUtils.h"
+#include "nsString.h"
+
+#include "WorkerPrivate.h"
+
+using namespace mozilla::dom;
+USING_WORKERS_NAMESPACE
+
+namespace {
+
+#ifdef BUILD_CTYPES
+
+char*
+UnicodeToNative(JSContext* aCx, const char16_t* aSource, size_t aSourceLen)
+{
+ nsDependentString unicode(aSource, aSourceLen);
+
+ nsAutoCString native;
+ if (NS_FAILED(NS_CopyUnicodeToNative(unicode, native))) {
+ JS_ReportErrorASCII(aCx, "Could not convert string to native charset!");
+ return nullptr;
+ }
+
+ char* result = static_cast<char*>(JS_malloc(aCx, native.Length() + 1));
+ if (!result) {
+ return nullptr;
+ }
+
+ memcpy(result, native.get(), native.Length());
+ result[native.Length()] = 0;
+ return result;
+}
+
+#endif // BUILD_CTYPES
+
+} // namespace
+
+BEGIN_WORKERS_NAMESPACE
+
+bool
+DefineChromeWorkerFunctions(JSContext* aCx, JS::Handle<JSObject*> aGlobal)
+{
+ // Currently ctypes is the only special property given to ChromeWorkers.
+#ifdef BUILD_CTYPES
+ {
+ JS::Rooted<JS::Value> ctypes(aCx);
+ if (!JS_InitCTypesClass(aCx, aGlobal) ||
+ !JS_GetProperty(aCx, aGlobal, "ctypes", &ctypes)) {
+ return false;
+ }
+
+ static const JSCTypesCallbacks callbacks = {
+ UnicodeToNative
+ };
+
+ JS_SetCTypesCallbacks(ctypes.toObjectOrNull(), &callbacks);
+ }
+#endif // BUILD_CTYPES
+
+ return true;
+}
+
+END_WORKERS_NAMESPACE