bool
xpc_qsUnwrapThisFromCcxImpl(XPCCallContext &ccx,
const nsIID &iid,
void **ppThis,
nsISupports **pThisRef,
jsval *vp)
{
nsISupports *native = ccx.GetIdentityObject();
if (!native)
return xpc_qsThrow(ccx.GetJSContext(), NS_ERROR_XPC_HAS_BEEN_SHUTDOWN);
RootedObject obj(ccx, ccx.GetFlattenedJSObject());
nsresult rv = getNative(native, obj, iid, ppThis, pThisRef, vp);
if (NS_FAILED(rv))
return xpc_qsThrow(ccx.GetJSContext(), rv);
return true;
}
void
XPCWrappedNativeScope::SetGlobal(XPCCallContext& ccx, JSObject* aGlobal,
nsISupports* aNative)
{
// We allow for calling this more than once. This feature is used by
// nsXPConnect::InitClassesWithNewWrappedGlobal.
mGlobalJSObject = aGlobal;
mScriptObjectPrincipal = nsnull;
// Try to find the native global object. If we didn't receive it explicitly,
// we might be able to find it in the private slot.
nsISupports *native;
if (aNative) {
native = aNative;
} else {
const JSClass *jsClass = js::GetObjectJSClass(aGlobal);
nsISupports *priv;
if (!(~jsClass->flags & (JSCLASS_HAS_PRIVATE |
JSCLASS_PRIVATE_IS_NSISUPPORTS))) {
// Our global has an nsISupports native pointer. Let's
// see whether it's what we want.
priv = static_cast<nsISupports*>(xpc_GetJSPrivate(aGlobal));
} else if ((jsClass->flags & JSCLASS_IS_DOMJSCLASS) &&
bindings::DOMJSClass::FromJSClass(jsClass)->mDOMObjectIsISupports) {
priv = bindings::UnwrapDOMObject<nsISupports>(aGlobal, jsClass);
} else {
priv = nsnull;
}
nsCOMPtr<nsIXPConnectWrappedNative> wn = do_QueryInterface(priv);
if (wn)
native = static_cast<XPCWrappedNative*>(wn.get())->GetIdentityObject();
else
native = priv;
}
// Now init our script object principal, if the new global has one.
nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(native);
mScriptObjectPrincipal = sop;
// Lookup 'globalObject.Object.prototype' for our wrapper's proto
JSObject *objectPrototype =
JS_GetObjectPrototype(ccx.GetJSContext(), aGlobal);
if (objectPrototype)
mPrototypeJSObject = objectPrototype;
else
NS_ERROR("Can't get globalObject.Object.prototype");
// Clear the no helper wrapper prototype object so that a new one
// gets created if needed.
mPrototypeNoHelper = nsnull;
}
void
XPCWrappedNativeScope::SetGlobal(XPCCallContext& ccx, JSObject* aGlobal,
nsISupports* aNative)
{
// We allow for calling this more than once. This feature is used by
// nsXPConnect::InitClassesWithNewWrappedGlobal.
mGlobalJSObject = aGlobal;
mScriptObjectPrincipal = nsnull;
// Try to find the native global object. If we didn't receive it explicitly,
// we might be able to find it in the private slot.
nsISupports* native = aNative;
if (!native &&
!(~js::GetObjectJSClass(aGlobal)->flags & (JSCLASS_HAS_PRIVATE |
JSCLASS_PRIVATE_IS_NSISUPPORTS)))
{
// Get the private. It might be a WN, in which case we dig deeper.
native = (nsISupports*)xpc_GetJSPrivate(aGlobal);
nsCOMPtr<nsIXPConnectWrappedNative> wn = do_QueryInterface(native);
if (wn)
native = static_cast<XPCWrappedNative*>(native)->GetIdentityObject();
}
// Now init our script object principal, if the new global has one.
nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(native);
mScriptObjectPrincipal = sop;
// Lookup 'globalObject.Object.prototype' for our wrapper's proto
JSObject *objectPrototype =
JS_GetObjectPrototype(ccx.GetJSContext(), aGlobal);
if (objectPrototype)
mPrototypeJSObject = objectPrototype;
else
NS_ERROR("Can't get globalObject.Object.prototype");
// Clear the no helper wrapper prototype object so that a new one
// gets created if needed.
mPrototypeNoHelper = nsnull;
}
XPCWrappedNativeScope::XPCWrappedNativeScope(XPCCallContext& ccx,
JSObject* aGlobal,
nsISupports* aNative)
: mRuntime(ccx.GetRuntime()),
mWrappedNativeMap(Native2WrappedNativeMap::newMap(XPC_NATIVE_MAP_SIZE)),
mWrappedNativeProtoMap(ClassInfo2WrappedNativeProtoMap::newMap(XPC_NATIVE_PROTO_MAP_SIZE)),
mMainThreadWrappedNativeProtoMap(ClassInfo2WrappedNativeProtoMap::newMap(XPC_NATIVE_PROTO_MAP_SIZE)),
mComponents(nsnull),
mNext(nsnull),
mGlobalJSObject(nsnull),
mPrototypeJSObject(nsnull),
mPrototypeNoHelper(nsnull),
mScriptObjectPrincipal(nsnull),
mNewDOMBindingsEnabled(ccx.GetRuntime()->NewDOMBindingsEnabled()),
mExperimentalBindingsEnabled(ccx.GetRuntime()->ExperimentalBindingsEnabled())
{
// add ourselves to the scopes list
{ // scoped lock
XPCAutoLock lock(mRuntime->GetMapLock());
#ifdef DEBUG
for (XPCWrappedNativeScope* cur = gScopes; cur; cur = cur->mNext)
NS_ASSERTION(aGlobal != cur->GetGlobalJSObject(), "dup object");
#endif
mNext = gScopes;
gScopes = this;
// Grab the XPCContext associated with our context.
mContext = XPCContext::GetXPCContext(ccx.GetJSContext());
mContext->AddScope(this);
}
if (aGlobal)
SetGlobal(ccx, aGlobal, aNative);
DEBUG_TrackNewScope(this);
MOZ_COUNT_CTOR(XPCWrappedNativeScope);
}
XPCWrappedNativeScope::XPCWrappedNativeScope(XPCCallContext& ccx,
JSObject* aGlobal)
: mRuntime(ccx.GetRuntime()),
mWrappedNativeMap(Native2WrappedNativeMap::newMap(XPC_NATIVE_MAP_SIZE)),
mWrappedNativeProtoMap(ClassInfo2WrappedNativeProtoMap::newMap(XPC_NATIVE_PROTO_MAP_SIZE)),
mWrapperMap(WrappedNative2WrapperMap::newMap(XPC_WRAPPER_MAP_SIZE)),
mComponents(nsnull),
mNext(nsnull),
mGlobalJSObject(nsnull),
mPrototypeJSObject(nsnull),
mPrototypeJSFunction(nsnull),
mPrototypeNoHelper(nsnull)
{
// add ourselves to the scopes list
{ // scoped lock
XPCAutoLock lock(mRuntime->GetMapLock());
#ifdef DEBUG
for(XPCWrappedNativeScope* cur = gScopes; cur; cur = cur->mNext)
NS_ASSERTION(aGlobal != cur->GetGlobalJSObject(), "dup object");
#endif
mNext = gScopes;
gScopes = this;
// Grab the XPCContext associated with our context.
mContext = mRuntime->GetContextMap()->Find(ccx.GetJSContext());
NS_ASSERTION(mContext, "Context map is not synchronized");
mContext->AddScope(this);
}
if(aGlobal)
SetGlobal(ccx, aGlobal);
DEBUG_TrackNewScope(this);
MOZ_COUNT_CTOR(XPCWrappedNativeScope);
}