michael@0: /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "ChromeWorkerScope.h"
michael@0: 
michael@0: #include "jsapi.h"
michael@0: 
michael@0: #include "nsXPCOM.h"
michael@0: #include "nsNativeCharsetUtils.h"
michael@0: #include "nsString.h"
michael@0: 
michael@0: #include "WorkerPrivate.h"
michael@0: 
michael@0: using namespace mozilla::dom;
michael@0: USING_WORKERS_NAMESPACE
michael@0: 
michael@0: namespace {
michael@0: 
michael@0: #ifdef BUILD_CTYPES
michael@0: 
michael@0: char*
michael@0: UnicodeToNative(JSContext* aCx, const jschar* aSource, size_t aSourceLen)
michael@0: {
michael@0:   nsDependentString unicode(aSource, aSourceLen);
michael@0: 
michael@0:   nsAutoCString native;
michael@0:   if (NS_FAILED(NS_CopyUnicodeToNative(unicode, native))) {
michael@0:     JS_ReportError(aCx, "Could not convert string to native charset!");
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   char* result = static_cast<char*>(JS_malloc(aCx, native.Length() + 1));
michael@0:   if (!result) {
michael@0:     return nullptr;
michael@0:   }
michael@0: 
michael@0:   memcpy(result, native.get(), native.Length());
michael@0:   result[native.Length()] = 0;
michael@0:   return result;
michael@0: }
michael@0: 
michael@0: #endif // BUILD_CTYPES
michael@0: 
michael@0: } // anonymous namespace
michael@0: 
michael@0: BEGIN_WORKERS_NAMESPACE
michael@0: 
michael@0: bool
michael@0: DefineChromeWorkerFunctions(JSContext* aCx, JS::Handle<JSObject*> aGlobal)
michael@0: {
michael@0:   // Currently ctypes is the only special property given to ChromeWorkers.
michael@0: #ifdef BUILD_CTYPES
michael@0:   {
michael@0:     JS::Rooted<JS::Value> ctypes(aCx);
michael@0:     if (!JS_InitCTypesClass(aCx, aGlobal) ||
michael@0:         !JS_GetProperty(aCx, aGlobal, "ctypes", &ctypes)) {
michael@0:       return false;
michael@0:     }
michael@0: 
michael@0:     static JSCTypesCallbacks callbacks = {
michael@0:       UnicodeToNative
michael@0:     };
michael@0: 
michael@0:     JS_SetCTypesCallbacks(JSVAL_TO_OBJECT(ctypes), &callbacks);
michael@0:   }
michael@0: #endif // BUILD_CTYPES
michael@0: 
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: END_WORKERS_NAMESPACE