mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-14 13:55:43 +00:00
3dee0ce8e2
For new DOM proxies, we could probably use the Xray expando machinery for the regular expando object as well, and free up one of the reserved slots. That's more than I want to bite off for the moment, though. I also decided not to block on bug 760095 and just kick the problem of globals with new binding down the road a little bit.
1016 lines
26 KiB
C++
1016 lines
26 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WorkerScope.h"
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#include "jsapi.h"
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#include "jsdbgapi.h"
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#include "mozilla/Util.h"
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#include "mozilla/dom/DOMJSClass.h"
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#include "mozilla/dom/EventTargetBinding.h"
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#include "mozilla/dom/BindingUtils.h"
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#include "mozilla/dom/FileReaderSyncBinding.h"
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#include "mozilla/dom/XMLHttpRequestBinding.h"
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#include "mozilla/dom/XMLHttpRequestUploadBinding.h"
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#include "mozilla/OSFileConstants.h"
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#include "nsTraceRefcnt.h"
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#include "xpcpublic.h"
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#ifdef ANDROID
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#include <android/log.h>
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#endif
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#include "ChromeWorkerScope.h"
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#include "Events.h"
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#include "EventListenerManager.h"
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#include "EventTarget.h"
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#include "Exceptions.h"
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#include "File.h"
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#include "FileReaderSync.h"
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#include "Location.h"
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#include "ImageData.h"
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#include "Navigator.h"
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#include "Principal.h"
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#include "ScriptLoader.h"
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#include "Worker.h"
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#include "WorkerPrivate.h"
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#include "XMLHttpRequest.h"
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#include "WorkerInlines.h"
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#define PROPERTY_FLAGS \
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(JSPROP_ENUMERATE | JSPROP_SHARED)
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#define FUNCTION_FLAGS \
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JSPROP_ENUMERATE
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using namespace mozilla;
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USING_WORKERS_NAMESPACE
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namespace {
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class WorkerGlobalScope : public EventTarget
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{
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static JSClass sClass;
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static JSPropertySpec sProperties[];
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static JSFunctionSpec sFunctions[];
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enum
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{
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SLOT_wrappedScope = 0,
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SLOT_wrappedFunction
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};
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enum
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{
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SLOT_location = 0,
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SLOT_navigator,
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SLOT_COUNT
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};
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// Must be traced!
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jsval mSlots[SLOT_COUNT];
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enum
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{
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STRING_onerror = 0,
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STRING_onclose,
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STRING_COUNT
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};
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static const char* const sEventStrings[STRING_COUNT];
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protected:
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WorkerPrivate* mWorker;
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public:
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static JSClass*
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Class()
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{
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return &sClass;
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}
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static JSObject*
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InitClass(JSContext* aCx, JSObject* aObj, JSObject* aParentProto)
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{
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return JS_InitClass(aCx, aObj, aParentProto, Class(), Construct, 0,
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sProperties, sFunctions, NULL, NULL);
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}
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using EventTarget::GetEventListener;
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using EventTarget::SetEventListener;
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protected:
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WorkerGlobalScope(JSContext* aCx, WorkerPrivate* aWorker)
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: EventTarget(aCx), mWorker(aWorker)
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{
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MOZ_COUNT_CTOR(mozilla::dom::workers::WorkerGlobalScope);
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for (int32 i = 0; i < SLOT_COUNT; i++) {
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mSlots[i] = JSVAL_VOID;
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}
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}
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~WorkerGlobalScope()
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{
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MOZ_COUNT_DTOR(mozilla::dom::workers::WorkerGlobalScope);
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}
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virtual void
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_trace(JSTracer* aTrc) MOZ_OVERRIDE
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{
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for (int32 i = 0; i < SLOT_COUNT; i++) {
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JS_CALL_VALUE_TRACER(aTrc, mSlots[i], "WorkerGlobalScope instance slot");
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}
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mWorker->TraceInternal(aTrc);
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EventTarget::_trace(aTrc);
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}
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virtual void
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_finalize(JSFreeOp* aFop) MOZ_OVERRIDE
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{
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EventTarget::_finalize(aFop);
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}
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private:
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static JSBool
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GetEventListener(JSContext* aCx, JSHandleObject aObj, JSHandleId aIdval, JSMutableHandleValue aVp)
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{
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JS_ASSERT(JSID_IS_INT(aIdval));
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JS_ASSERT(JSID_TO_INT(aIdval) >= 0 && JSID_TO_INT(aIdval) < STRING_COUNT);
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const char* name = sEventStrings[JSID_TO_INT(aIdval)];
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WorkerGlobalScope* scope = GetInstancePrivate(aCx, aObj, name);
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if (!scope) {
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return false;
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}
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ErrorResult rv;
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JSObject* listener =
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scope->GetEventListener(NS_ConvertASCIItoUTF16(name + 2), rv);
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if (rv.Failed()) {
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JS_ReportError(aCx, "Failed to get event listener!");
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return false;
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}
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aVp.set(listener ? OBJECT_TO_JSVAL(listener) : JSVAL_NULL);
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return true;
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}
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static JSBool
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SetEventListener(JSContext* aCx, JSHandleObject aObj, JSHandleId aIdval, JSBool aStrict,
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JSMutableHandleValue aVp)
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{
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JS_ASSERT(JSID_IS_INT(aIdval));
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JS_ASSERT(JSID_TO_INT(aIdval) >= 0 && JSID_TO_INT(aIdval) < STRING_COUNT);
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const char* name = sEventStrings[JSID_TO_INT(aIdval)];
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WorkerGlobalScope* scope = GetInstancePrivate(aCx, aObj, name);
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if (!scope) {
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return false;
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}
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if (JSVAL_IS_PRIMITIVE(aVp)) {
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JS_ReportError(aCx, "Not an event listener!");
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return false;
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}
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ErrorResult rv;
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scope->SetEventListener(NS_ConvertASCIItoUTF16(name + 2),
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JSVAL_TO_OBJECT(aVp), rv);
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if (rv.Failed()) {
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JS_ReportError(aCx, "Failed to set event listener!");
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return false;
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}
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return true;
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}
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static WorkerGlobalScope*
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GetInstancePrivate(JSContext* aCx, JSObject* aObj, const char* aFunctionName);
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static JSBool
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Construct(JSContext* aCx, unsigned aArgc, jsval* aVp)
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{
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JS_ReportErrorNumber(aCx, js_GetErrorMessage, NULL, JSMSG_WRONG_CONSTRUCTOR,
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sClass.name);
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return false;
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}
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static JSBool
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GetSelf(JSContext* aCx, JSHandleObject aObj, JSHandleId aIdval, JSMutableHandleValue aVp)
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{
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if (!GetInstancePrivate(aCx, aObj, "self")) {
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return false;
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}
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aVp.set(OBJECT_TO_JSVAL(aObj));
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return true;
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}
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static JSBool
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GetLocation(JSContext* aCx, JSHandleObject aObj, JSHandleId aIdval, JSMutableHandleValue aVp)
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{
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WorkerGlobalScope* scope =
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GetInstancePrivate(aCx, aObj, sProperties[SLOT_location].name);
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if (!scope) {
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return false;
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}
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if (JSVAL_IS_VOID(scope->mSlots[SLOT_location])) {
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JSString* href, *protocol, *host, *hostname;
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JSString* port, *pathname, *search, *hash;
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WorkerPrivate::LocationInfo& info = scope->mWorker->GetLocationInfo();
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#define COPY_STRING(_jsstr, _cstr) \
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if (info. _cstr .IsEmpty()) { \
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_jsstr = NULL; \
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} \
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else { \
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if (!(_jsstr = JS_NewStringCopyN(aCx, info. _cstr .get(), \
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info. _cstr .Length()))) { \
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return false; \
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} \
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info. _cstr .Truncate(); \
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}
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COPY_STRING(href, mHref);
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COPY_STRING(protocol, mProtocol);
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COPY_STRING(host, mHost);
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COPY_STRING(hostname, mHostname);
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COPY_STRING(port, mPort);
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COPY_STRING(pathname, mPathname);
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COPY_STRING(search, mSearch);
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COPY_STRING(hash, mHash);
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#undef COPY_STRING
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JSObject* location = location::Create(aCx, href, protocol, host, hostname,
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port, pathname, search, hash);
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if (!location) {
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return false;
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}
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scope->mSlots[SLOT_location] = OBJECT_TO_JSVAL(location);
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}
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aVp.set(scope->mSlots[SLOT_location]);
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return true;
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}
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static JSBool
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UnwrapErrorEvent(JSContext* aCx, unsigned aArgc, jsval* aVp)
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{
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JS_ASSERT(aArgc == 1);
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JS_ASSERT((JS_ARGV(aCx, aVp)[0]).isObject());
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JSObject* wrapper = &JS_CALLEE(aCx, aVp).toObject();
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JS_ASSERT(JS_ObjectIsFunction(aCx, wrapper));
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jsval scope = js::GetFunctionNativeReserved(wrapper, SLOT_wrappedScope);
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jsval listener = js::GetFunctionNativeReserved(wrapper, SLOT_wrappedFunction);
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JS_ASSERT(scope.isObject());
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JSObject* event = &JS_ARGV(aCx, aVp)[0].toObject();
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jsval argv[3] = { JSVAL_VOID, JSVAL_VOID, JSVAL_VOID };
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if (!JS_GetProperty(aCx, event, "message", &argv[0]) ||
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!JS_GetProperty(aCx, event, "filename", &argv[1]) ||
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!JS_GetProperty(aCx, event, "lineno", &argv[2])) {
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return false;
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}
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jsval rval = JSVAL_VOID;
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if (!JS_CallFunctionValue(aCx, JSVAL_TO_OBJECT(scope), listener,
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ArrayLength(argv), argv, &rval)) {
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JS_ReportPendingException(aCx);
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return false;
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}
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if (JSVAL_IS_BOOLEAN(rval) && JSVAL_TO_BOOLEAN(rval) &&
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!JS_CallFunctionName(aCx, event, "preventDefault", 0, NULL, &rval)) {
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return false;
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}
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return true;
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}
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static JSBool
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GetOnErrorListener(JSContext* aCx, JSHandleObject aObj, JSHandleId aIdval, JSMutableHandleValue aVp)
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{
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const char* name = sEventStrings[STRING_onerror];
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WorkerGlobalScope* scope = GetInstancePrivate(aCx, aObj, name);
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if (!scope) {
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return false;
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}
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ErrorResult rv;
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JSObject* adaptor =
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scope->GetEventListener(NS_ConvertASCIItoUTF16(name + 2), rv);
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if (rv.Failed()) {
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JS_ReportError(aCx, "Failed to get event listener!");
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return false;
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}
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if (!adaptor) {
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aVp.setNull();
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return true;
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}
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aVp.set(js::GetFunctionNativeReserved(adaptor, SLOT_wrappedFunction));
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JS_ASSERT(!JSVAL_IS_PRIMITIVE(aVp));
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return true;
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}
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static JSBool
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SetOnErrorListener(JSContext* aCx, JSHandleObject aObj, JSHandleId aIdval,
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JSBool aStrict, JSMutableHandleValue aVp)
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{
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const char* name = sEventStrings[STRING_onerror];
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WorkerGlobalScope* scope = GetInstancePrivate(aCx, aObj, name);
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if (!scope) {
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return false;
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}
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if (JSVAL_IS_PRIMITIVE(aVp)) {
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JS_ReportError(aCx, "Not an event listener!");
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return false;
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}
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JSFunction* adaptor =
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js::NewFunctionWithReserved(aCx, UnwrapErrorEvent, 1, 0,
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JS_GetGlobalObject(aCx), "unwrap");
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if (!adaptor) {
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return false;
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}
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JSObject* listener = JS_GetFunctionObject(adaptor);
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if (!listener) {
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return false;
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}
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js::SetFunctionNativeReserved(listener, SLOT_wrappedScope,
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OBJECT_TO_JSVAL(aObj));
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js::SetFunctionNativeReserved(listener, SLOT_wrappedFunction, aVp);
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ErrorResult rv;
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scope->SetEventListener(NS_ConvertASCIItoUTF16(name + 2), listener, rv);
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if (rv.Failed()) {
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JS_ReportError(aCx, "Failed to set event listener!");
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return false;
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}
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return true;
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}
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static JSBool
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GetNavigator(JSContext* aCx, JSHandleObject aObj, JSHandleId aIdval, JSMutableHandleValue aVp)
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{
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WorkerGlobalScope* scope =
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GetInstancePrivate(aCx, aObj, sProperties[SLOT_navigator].name);
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if (!scope) {
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return false;
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}
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if (JSVAL_IS_VOID(scope->mSlots[SLOT_navigator])) {
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JSObject* navigator = navigator::Create(aCx);
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if (!navigator) {
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return false;
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}
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scope->mSlots[SLOT_navigator] = OBJECT_TO_JSVAL(navigator);
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}
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aVp.set(scope->mSlots[SLOT_navigator]);
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return true;
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}
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static JSBool
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Close(JSContext* aCx, unsigned aArgc, jsval* aVp)
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{
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JSObject* obj = JS_THIS_OBJECT(aCx, aVp);
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if (!obj) {
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return false;
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}
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WorkerGlobalScope* scope = GetInstancePrivate(aCx, obj, sFunctions[0].name);
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if (!scope) {
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return false;
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}
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return scope->mWorker->CloseInternal(aCx);
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}
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static JSBool
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ImportScripts(JSContext* aCx, unsigned aArgc, jsval* aVp)
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{
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JSObject* obj = JS_THIS_OBJECT(aCx, aVp);
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if (!obj) {
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return false;
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}
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WorkerGlobalScope* scope = GetInstancePrivate(aCx, obj, sFunctions[1].name);
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if (!scope) {
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return false;
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}
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if (aArgc && !scriptloader::Load(aCx, aArgc, JS_ARGV(aCx, aVp))) {
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return false;
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}
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return true;
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}
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static JSBool
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SetTimeout(JSContext* aCx, unsigned aArgc, jsval* aVp)
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{
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JSObject* obj = JS_THIS_OBJECT(aCx, aVp);
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if (!obj) {
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return false;
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}
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WorkerGlobalScope* scope = GetInstancePrivate(aCx, obj, sFunctions[2].name);
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if (!scope) {
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return false;
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}
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jsval dummy;
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if (!JS_ConvertArguments(aCx, aArgc, JS_ARGV(aCx, aVp), "v", &dummy)) {
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return false;
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}
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return scope->mWorker->SetTimeout(aCx, aArgc, aVp, false);
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}
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static JSBool
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ClearTimeout(JSContext* aCx, unsigned aArgc, jsval* aVp)
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{
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JSObject* obj = JS_THIS_OBJECT(aCx, aVp);
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if (!obj) {
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return false;
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}
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WorkerGlobalScope* scope = GetInstancePrivate(aCx, obj, sFunctions[3].name);
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if (!scope) {
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return false;
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}
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uint32_t id;
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if (!JS_ConvertArguments(aCx, aArgc, JS_ARGV(aCx, aVp), "u", &id)) {
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return false;
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}
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return scope->mWorker->ClearTimeout(aCx, id);
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}
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static JSBool
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SetInterval(JSContext* aCx, unsigned aArgc, jsval* aVp)
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{
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JSObject* obj = JS_THIS_OBJECT(aCx, aVp);
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if (!obj) {
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return false;
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}
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WorkerGlobalScope* scope = GetInstancePrivate(aCx, obj, sFunctions[4].name);
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if (!scope) {
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return false;
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}
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jsval dummy;
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if (!JS_ConvertArguments(aCx, aArgc, JS_ARGV(aCx, aVp), "v", &dummy)) {
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return false;
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}
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return scope->mWorker->SetTimeout(aCx, aArgc, aVp, true);
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}
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static JSBool
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ClearInterval(JSContext* aCx, unsigned aArgc, jsval* aVp)
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{
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JSObject* obj = JS_THIS_OBJECT(aCx, aVp);
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if (!obj) {
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return false;
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}
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WorkerGlobalScope* scope = GetInstancePrivate(aCx, obj, sFunctions[5].name);
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if (!scope) {
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return false;
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}
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uint32_t id;
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if (!JS_ConvertArguments(aCx, aArgc, JS_ARGV(aCx, aVp), "u", &id)) {
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return false;
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}
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return scope->mWorker->ClearTimeout(aCx, id);
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}
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static JSBool
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Dump(JSContext* aCx, unsigned aArgc, jsval* aVp)
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{
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JSObject* obj = JS_THIS_OBJECT(aCx, aVp);
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if (!obj) {
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return false;
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}
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if (!GetInstancePrivate(aCx, obj, sFunctions[6].name)) {
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return false;
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}
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if (aArgc) {
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JSString* str = JS_ValueToString(aCx, JS_ARGV(aCx, aVp)[0]);
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if (!str) {
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return false;
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}
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JSAutoByteString buffer(aCx, str);
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if (!buffer) {
|
|
return false;
|
|
}
|
|
|
|
#ifdef ANDROID
|
|
__android_log_print(ANDROID_LOG_INFO, "Gecko", "%s", buffer.ptr());
|
|
#endif
|
|
fputs(buffer.ptr(), stdout);
|
|
fflush(stdout);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static JSBool
|
|
AtoB(JSContext* aCx, unsigned aArgc, jsval* aVp)
|
|
{
|
|
JSObject* obj = JS_THIS_OBJECT(aCx, aVp);
|
|
if (!obj) {
|
|
return false;
|
|
}
|
|
|
|
if (!GetInstancePrivate(aCx, obj, sFunctions[7].name)) {
|
|
return false;
|
|
}
|
|
|
|
jsval string;
|
|
if (!JS_ConvertArguments(aCx, aArgc, JS_ARGV(aCx, aVp), "v", &string)) {
|
|
return false;
|
|
}
|
|
|
|
jsval result;
|
|
if (!xpc::Base64Decode(aCx, string, &result)) {
|
|
return false;
|
|
}
|
|
|
|
JS_SET_RVAL(aCx, aVp, result);
|
|
return true;
|
|
}
|
|
|
|
static JSBool
|
|
BtoA(JSContext* aCx, unsigned aArgc, jsval* aVp)
|
|
{
|
|
JSObject* obj = JS_THIS_OBJECT(aCx, aVp);
|
|
if (!obj) {
|
|
return false;
|
|
}
|
|
|
|
if (!GetInstancePrivate(aCx, obj, sFunctions[8].name)) {
|
|
return false;
|
|
}
|
|
|
|
jsval binary;
|
|
if (!JS_ConvertArguments(aCx, aArgc, JS_ARGV(aCx, aVp), "v", &binary)) {
|
|
return false;
|
|
}
|
|
|
|
jsval result;
|
|
if (!xpc::Base64Encode(aCx, binary, &result)) {
|
|
return false;
|
|
}
|
|
|
|
JS_SET_RVAL(aCx, aVp, result);
|
|
return true;
|
|
}
|
|
};
|
|
|
|
JSClass WorkerGlobalScope::sClass = {
|
|
"WorkerGlobalScope",
|
|
0,
|
|
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
|
|
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub
|
|
};
|
|
|
|
JSPropertySpec WorkerGlobalScope::sProperties[] = {
|
|
{ "location", SLOT_location, PROPERTY_FLAGS, JSOP_WRAPPER(GetLocation),
|
|
JSOP_WRAPPER(js_GetterOnlyPropertyStub) },
|
|
{ sEventStrings[STRING_onerror], STRING_onerror, PROPERTY_FLAGS,
|
|
JSOP_WRAPPER(GetOnErrorListener), JSOP_WRAPPER(SetOnErrorListener) },
|
|
{ sEventStrings[STRING_onclose], STRING_onclose, PROPERTY_FLAGS,
|
|
JSOP_WRAPPER(GetEventListener), JSOP_WRAPPER(SetEventListener) },
|
|
{ "navigator", SLOT_navigator, PROPERTY_FLAGS, JSOP_WRAPPER(GetNavigator),
|
|
JSOP_WRAPPER(js_GetterOnlyPropertyStub) },
|
|
{ "self", 0, PROPERTY_FLAGS, JSOP_WRAPPER(GetSelf), JSOP_WRAPPER(js_GetterOnlyPropertyStub) },
|
|
{ 0, 0, 0, JSOP_NULLWRAPPER, JSOP_NULLWRAPPER }
|
|
};
|
|
|
|
JSFunctionSpec WorkerGlobalScope::sFunctions[] = {
|
|
JS_FN("close", Close, 0, FUNCTION_FLAGS),
|
|
JS_FN("importScripts", ImportScripts, 1, FUNCTION_FLAGS),
|
|
JS_FN("setTimeout", SetTimeout, 1, FUNCTION_FLAGS),
|
|
JS_FN("clearTimeout", ClearTimeout, 1, FUNCTION_FLAGS),
|
|
JS_FN("setInterval", SetInterval, 1, FUNCTION_FLAGS),
|
|
JS_FN("clearInterval", ClearTimeout, 1, FUNCTION_FLAGS),
|
|
JS_FN("dump", Dump, 1, FUNCTION_FLAGS),
|
|
JS_FN("atob", AtoB, 1, FUNCTION_FLAGS),
|
|
JS_FN("btoa", BtoA, 1, FUNCTION_FLAGS),
|
|
JS_FS_END
|
|
};
|
|
|
|
const char* const WorkerGlobalScope::sEventStrings[STRING_COUNT] = {
|
|
"onerror",
|
|
"onclose"
|
|
};
|
|
|
|
class DedicatedWorkerGlobalScope : public WorkerGlobalScope
|
|
{
|
|
static DOMJSClass sClass;
|
|
static JSPropertySpec sProperties[];
|
|
static JSFunctionSpec sFunctions[];
|
|
|
|
enum
|
|
{
|
|
STRING_onmessage = 0,
|
|
|
|
STRING_COUNT
|
|
};
|
|
|
|
static const char* const sEventStrings[STRING_COUNT];
|
|
|
|
public:
|
|
static JSClass*
|
|
Class()
|
|
{
|
|
return sClass.ToJSClass();
|
|
}
|
|
|
|
static JSObject*
|
|
InitClass(JSContext* aCx, JSObject* aObj, JSObject* aParentProto)
|
|
{
|
|
return JS_InitClass(aCx, aObj, aParentProto, Class(), Construct, 0,
|
|
sProperties, sFunctions, NULL, NULL);
|
|
}
|
|
|
|
static JSBool
|
|
InitPrivate(JSContext* aCx, JSObject* aObj, WorkerPrivate* aWorkerPrivate)
|
|
{
|
|
JS_ASSERT(JS_GetClass(aObj) == Class());
|
|
|
|
dom::AllocateProtoOrIfaceCache(aObj);
|
|
|
|
nsRefPtr<DedicatedWorkerGlobalScope> scope =
|
|
new DedicatedWorkerGlobalScope(aCx, aWorkerPrivate);
|
|
|
|
js::SetReservedSlot(aObj, DOM_OBJECT_SLOT, PRIVATE_TO_JSVAL(scope));
|
|
|
|
scope->SetIsDOMBinding();
|
|
scope->SetWrapper(aObj);
|
|
|
|
scope.forget();
|
|
return true;
|
|
}
|
|
|
|
protected:
|
|
DedicatedWorkerGlobalScope(JSContext* aCx, WorkerPrivate* aWorker)
|
|
: WorkerGlobalScope(aCx, aWorker)
|
|
{
|
|
MOZ_COUNT_CTOR(mozilla::dom::workers::DedicatedWorkerGlobalScope);
|
|
}
|
|
|
|
~DedicatedWorkerGlobalScope()
|
|
{
|
|
MOZ_COUNT_DTOR(mozilla::dom::workers::DedicatedWorkerGlobalScope);
|
|
}
|
|
|
|
private:
|
|
using EventTarget::GetEventListener;
|
|
using EventTarget::SetEventListener;
|
|
|
|
static JSBool
|
|
GetEventListener(JSContext* aCx, JSHandleObject aObj, JSHandleId aIdval, JSMutableHandleValue aVp)
|
|
{
|
|
JS_ASSERT(JSID_IS_INT(aIdval));
|
|
JS_ASSERT(JSID_TO_INT(aIdval) >= 0 && JSID_TO_INT(aIdval) < STRING_COUNT);
|
|
|
|
const char* name = sEventStrings[JSID_TO_INT(aIdval)];
|
|
DedicatedWorkerGlobalScope* scope = GetInstancePrivate(aCx, aObj, name);
|
|
if (!scope) {
|
|
return false;
|
|
}
|
|
|
|
ErrorResult rv;
|
|
|
|
JSObject* listener =
|
|
scope->GetEventListener(NS_ConvertASCIItoUTF16(name + 2), rv);
|
|
|
|
if (rv.Failed()) {
|
|
JS_ReportError(aCx, "Failed to get event listener!");
|
|
return false;
|
|
}
|
|
|
|
aVp.set(listener ? OBJECT_TO_JSVAL(listener) : JSVAL_NULL);
|
|
return true;
|
|
}
|
|
|
|
static JSBool
|
|
SetEventListener(JSContext* aCx, JSHandleObject aObj, JSHandleId aIdval, JSBool aStrict,
|
|
JSMutableHandleValue aVp)
|
|
{
|
|
JS_ASSERT(JSID_IS_INT(aIdval));
|
|
JS_ASSERT(JSID_TO_INT(aIdval) >= 0 && JSID_TO_INT(aIdval) < STRING_COUNT);
|
|
|
|
const char* name = sEventStrings[JSID_TO_INT(aIdval)];
|
|
DedicatedWorkerGlobalScope* scope = GetInstancePrivate(aCx, aObj, name);
|
|
if (!scope) {
|
|
return false;
|
|
}
|
|
|
|
if (JSVAL_IS_PRIMITIVE(aVp)) {
|
|
JS_ReportError(aCx, "Not an event listener!");
|
|
return false;
|
|
}
|
|
|
|
ErrorResult rv;
|
|
|
|
scope->SetEventListener(NS_ConvertASCIItoUTF16(name + 2),
|
|
JSVAL_TO_OBJECT(aVp), rv);
|
|
|
|
if (rv.Failed()) {
|
|
JS_ReportError(aCx, "Failed to set event listener!");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static DedicatedWorkerGlobalScope*
|
|
GetInstancePrivate(JSContext* aCx, JSObject* aObj, const char* aFunctionName)
|
|
{
|
|
JSClass* classPtr = JS_GetClass(aObj);
|
|
if (classPtr == Class()) {
|
|
return UnwrapDOMObject<DedicatedWorkerGlobalScope>(aObj,
|
|
eRegularDOMObject);
|
|
}
|
|
|
|
JS_ReportErrorNumber(aCx, js_GetErrorMessage, NULL,
|
|
JSMSG_INCOMPATIBLE_PROTO, Class()->name, aFunctionName,
|
|
classPtr->name);
|
|
return NULL;
|
|
}
|
|
|
|
static JSBool
|
|
Construct(JSContext* aCx, unsigned aArgc, jsval* aVp)
|
|
{
|
|
JS_ReportErrorNumber(aCx, js_GetErrorMessage, NULL, JSMSG_WRONG_CONSTRUCTOR,
|
|
Class()->name);
|
|
return false;
|
|
}
|
|
|
|
static JSBool
|
|
Resolve(JSContext* aCx, JSHandleObject aObj, JSHandleId aId, unsigned aFlags,
|
|
JSMutableHandleObject aObjp)
|
|
{
|
|
JSBool resolved;
|
|
if (!JS_ResolveStandardClass(aCx, aObj, aId, &resolved)) {
|
|
return false;
|
|
}
|
|
|
|
aObjp.set(resolved ? aObj.get() : NULL);
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
Finalize(JSFreeOp* aFop, JSObject* aObj)
|
|
{
|
|
JS_ASSERT(JS_GetClass(aObj) == Class());
|
|
DedicatedWorkerGlobalScope* scope =
|
|
UnwrapDOMObject<DedicatedWorkerGlobalScope>(aObj, eRegularDOMObject);
|
|
if (scope) {
|
|
DestroyProtoOrIfaceCache(aObj);
|
|
scope->_finalize(aFop);
|
|
}
|
|
}
|
|
|
|
static void
|
|
Trace(JSTracer* aTrc, JSObject* aObj)
|
|
{
|
|
JS_ASSERT(JS_GetClass(aObj) == Class());
|
|
DedicatedWorkerGlobalScope* scope =
|
|
UnwrapDOMObject<DedicatedWorkerGlobalScope>(aObj, eRegularDOMObject);
|
|
if (scope) {
|
|
mozilla::dom::TraceProtoOrIfaceCache(aTrc, aObj);
|
|
scope->_trace(aTrc);
|
|
}
|
|
}
|
|
|
|
static JSBool
|
|
PostMessage(JSContext* aCx, unsigned aArgc, jsval* aVp)
|
|
{
|
|
JSObject* obj = JS_THIS_OBJECT(aCx, aVp);
|
|
if (!obj) {
|
|
return false;
|
|
}
|
|
|
|
const char*& name = sFunctions[0].name;
|
|
DedicatedWorkerGlobalScope* scope = GetInstancePrivate(aCx, obj, name);
|
|
if (!scope) {
|
|
return false;
|
|
}
|
|
|
|
jsval message;
|
|
jsval transferable = JSVAL_VOID;
|
|
if (!JS_ConvertArguments(aCx, aArgc, JS_ARGV(aCx, aVp), "v/v",
|
|
&message, &transferable)) {
|
|
return false;
|
|
}
|
|
|
|
return scope->mWorker->PostMessageToParent(aCx, message, transferable);
|
|
}
|
|
};
|
|
|
|
MOZ_STATIC_ASSERT(prototypes::MaxProtoChainLength == 3,
|
|
"The MaxProtoChainLength must match our manual DOMJSClasses");
|
|
|
|
// When this DOMJSClass is removed and it's the last consumer of
|
|
// sNativePropertyHooks then sNativePropertyHooks should be removed too.
|
|
DOMJSClass DedicatedWorkerGlobalScope::sClass = {
|
|
{
|
|
// We don't have to worry about Xray expando slots here because we'll never
|
|
// have an Xray wrapper to a worker global scope.
|
|
"DedicatedWorkerGlobalScope",
|
|
JSCLASS_DOM_GLOBAL | JSCLASS_IS_DOMJSCLASS | JSCLASS_IMPLEMENTS_BARRIERS |
|
|
JSCLASS_GLOBAL_FLAGS_WITH_SLOTS(3) | JSCLASS_NEW_RESOLVE,
|
|
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_StrictPropertyStub,
|
|
JS_EnumerateStub, reinterpret_cast<JSResolveOp>(Resolve), JS_ConvertStub,
|
|
Finalize, NULL, NULL, NULL, NULL, Trace
|
|
},
|
|
{
|
|
{ prototypes::id::EventTarget_workers, prototypes::id::_ID_Count,
|
|
prototypes::id::_ID_Count },
|
|
false,
|
|
&sNativePropertyHooks
|
|
}
|
|
};
|
|
|
|
JSPropertySpec DedicatedWorkerGlobalScope::sProperties[] = {
|
|
{ sEventStrings[STRING_onmessage], STRING_onmessage, PROPERTY_FLAGS,
|
|
JSOP_WRAPPER(GetEventListener), JSOP_WRAPPER(SetEventListener) },
|
|
{ 0, 0, 0, JSOP_NULLWRAPPER, JSOP_NULLWRAPPER }
|
|
};
|
|
|
|
JSFunctionSpec DedicatedWorkerGlobalScope::sFunctions[] = {
|
|
JS_FN("postMessage", PostMessage, 1, FUNCTION_FLAGS),
|
|
JS_FS_END
|
|
};
|
|
|
|
const char* const DedicatedWorkerGlobalScope::sEventStrings[STRING_COUNT] = {
|
|
"onmessage",
|
|
};
|
|
|
|
WorkerGlobalScope*
|
|
WorkerGlobalScope::GetInstancePrivate(JSContext* aCx, JSObject* aObj,
|
|
const char* aFunctionName)
|
|
{
|
|
JSClass* classPtr = JS_GetClass(aObj);
|
|
|
|
// We can only make DedicatedWorkerGlobalScope, not WorkerGlobalScope, so this
|
|
// should never happen.
|
|
JS_ASSERT(classPtr != Class());
|
|
|
|
if (classPtr == DedicatedWorkerGlobalScope::Class()) {
|
|
return UnwrapDOMObject<DedicatedWorkerGlobalScope>(aObj, eRegularDOMObject);
|
|
}
|
|
|
|
JS_ReportErrorNumber(aCx, js_GetErrorMessage, NULL, JSMSG_INCOMPATIBLE_PROTO,
|
|
sClass.name, aFunctionName, classPtr->name);
|
|
return NULL;
|
|
}
|
|
|
|
} /* anonymous namespace */
|
|
|
|
BEGIN_WORKERS_NAMESPACE
|
|
|
|
JSObject*
|
|
CreateDedicatedWorkerGlobalScope(JSContext* aCx)
|
|
{
|
|
using namespace mozilla::dom;
|
|
|
|
WorkerPrivate* worker = GetWorkerPrivateFromContext(aCx);
|
|
JS_ASSERT(worker);
|
|
|
|
JSObject* global =
|
|
JS_NewGlobalObject(aCx, DedicatedWorkerGlobalScope::Class(),
|
|
GetWorkerPrincipal());
|
|
if (!global) {
|
|
return NULL;
|
|
}
|
|
|
|
JSAutoCompartment ac(aCx, global);
|
|
|
|
// Make the private slots now so that all our instance checks succeed.
|
|
if (!DedicatedWorkerGlobalScope::InitPrivate(aCx, global, worker)) {
|
|
return NULL;
|
|
}
|
|
|
|
// Proto chain should be:
|
|
// global -> DedicatedWorkerGlobalScope
|
|
// -> WorkerGlobalScope
|
|
// -> EventTarget
|
|
// -> Object
|
|
|
|
JSObject* eventTargetProto =
|
|
EventTargetBinding_workers::GetProtoObject(aCx, global, global);
|
|
if (!eventTargetProto) {
|
|
return NULL;
|
|
}
|
|
|
|
JSObject* scopeProto =
|
|
WorkerGlobalScope::InitClass(aCx, global, eventTargetProto);
|
|
if (!scopeProto) {
|
|
return NULL;
|
|
}
|
|
|
|
JSObject* dedicatedScopeProto =
|
|
DedicatedWorkerGlobalScope::InitClass(aCx, global, scopeProto);
|
|
if (!dedicatedScopeProto) {
|
|
return NULL;
|
|
}
|
|
|
|
if (!JS_SetPrototype(aCx, global, dedicatedScopeProto)) {
|
|
return NULL;
|
|
}
|
|
|
|
JSObject* workerProto = worker::InitClass(aCx, global, eventTargetProto,
|
|
false);
|
|
if (!workerProto) {
|
|
return NULL;
|
|
}
|
|
|
|
if (worker->IsChromeWorker() &&
|
|
(!chromeworker::InitClass(aCx, global, workerProto, false) ||
|
|
!DefineChromeWorkerFunctions(aCx, global))) {
|
|
return NULL;
|
|
}
|
|
|
|
if (!DefineOSFileConstants(aCx, global)) {
|
|
return NULL;
|
|
}
|
|
|
|
// Init other classes we care about.
|
|
if (!events::InitClasses(aCx, global, false) ||
|
|
!file::InitClasses(aCx, global) ||
|
|
!exceptions::InitClasses(aCx, global) ||
|
|
!location::InitClass(aCx, global) ||
|
|
!imagedata::InitClass(aCx, global) ||
|
|
!navigator::InitClass(aCx, global)) {
|
|
return NULL;
|
|
}
|
|
|
|
// Init other paris-bindings. Use GetProtoObject so the proto will
|
|
// be correctly cached in the proto cache. Otherwise we'll end up
|
|
// double-calling CreateInterfaceObjects when we actually create an
|
|
// object which has these protos, which breaks things like
|
|
// instanceof.
|
|
if (!FileReaderSyncBinding_workers::GetProtoObject(aCx, global, global) ||
|
|
!XMLHttpRequestBinding_workers::GetProtoObject(aCx, global, global) ||
|
|
!XMLHttpRequestUploadBinding_workers::GetProtoObject(aCx, global, global)) {
|
|
return NULL;
|
|
}
|
|
|
|
if (!JS_DefineProfilingFunctions(aCx, global)) {
|
|
return NULL;
|
|
}
|
|
|
|
return global;
|
|
}
|
|
|
|
bool
|
|
ClassIsWorkerGlobalScope(JSClass* aClass)
|
|
{
|
|
return WorkerGlobalScope::Class() == aClass ||
|
|
DedicatedWorkerGlobalScope::Class() == aClass;
|
|
}
|
|
|
|
END_WORKERS_NAMESPACE
|