Exemplo n.º 1
0
// static
XPCNativeInterface*
XPCNativeInterface::GetNewOrUsed(XPCCallContext& ccx, nsIInterfaceInfo* info)
{
    AutoMarkingNativeInterfacePtr iface(ccx);

    const nsIID* iid;
    if(NS_FAILED(info->GetIIDShared(&iid)) || !iid)
        return nsnull;

    XPCJSRuntime* rt = ccx.GetRuntime();

    IID2NativeInterfaceMap* map = rt->GetIID2NativeInterfaceMap();
    if(!map)
        return nsnull;

    {   // scoped lock
        XPCAutoLock lock(rt->GetMapLock());
        iface = map->Find(*iid);
    }

    if(iface)
        return iface;

    iface = NewInstance(ccx, info);
    if(!iface)
        return nsnull;

    {   // scoped lock
        XPCAutoLock lock(rt->GetMapLock());
        XPCNativeInterface* iface2 = map->Add(iface);
        if(!iface2)
        {
            NS_ERROR("failed to add our interface!");
            DestroyInstance(ccx, rt, iface);
            iface = nsnull;
        }
        else if(iface2 != iface)
        {
            DestroyInstance(ccx, rt, iface);
            iface = iface2;
        }
    }

    return iface;
}
Exemplo n.º 2
0
// static
XPCNativeInterface*
XPCNativeInterface::GetNewOrUsed(XPCCallContext& ccx, const nsIID* iid)
{
    AutoMarkingNativeInterfacePtr iface(ccx);
    XPCJSRuntime* rt = ccx.GetRuntime();

    IID2NativeInterfaceMap* map = rt->GetIID2NativeInterfaceMap();
    if(!map)
        return nsnull;

    {   // scoped lock
        XPCAutoLock lock(rt->GetMapLock());
        iface = map->Find(*iid);
    }

    if(iface)
        return iface;

    nsCOMPtr<nsIInterfaceInfo> info;
    ccx.GetXPConnect()->GetInfoForIID(iid, getter_AddRefs(info));
    if(!info)
        return nsnull;

    iface = NewInstance(ccx, info);
    if(!iface)
        return nsnull;

    {   // scoped lock
        XPCAutoLock lock(rt->GetMapLock());
        XPCNativeInterface* iface2 = map->Add(iface);
        if(!iface2)
        {
            NS_ERROR("failed to add our interface!");
            DestroyInstance(ccx, rt, iface);
            iface = nsnull;
        }
        else if(iface2 != iface)
        {
            DestroyInstance(ccx, rt, iface);
            iface = iface2;
        }
    }

    return iface;
}
// static
XPCNativeInterface*
XPCNativeInterface::GetNewOrUsed(const nsIID* iid)
{
    AutoJSContext cx;
    AutoMarkingNativeInterfacePtr iface(cx);
    XPCJSRuntime* rt = XPCJSRuntime::Get();

    IID2NativeInterfaceMap* map = rt->GetIID2NativeInterfaceMap();
    if (!map)
        return nullptr;

    {   // scoped lock
        XPCAutoLock lock(rt->GetMapLock());
        iface = map->Find(*iid);
    }

    if (iface)
        return iface;

    nsCOMPtr<nsIInterfaceInfo> info;
    XPTInterfaceInfoManager::GetSingleton()->GetInfoForIID(iid, getter_AddRefs(info));
    if (!info)
        return nullptr;

    iface = NewInstance(info);
    if (!iface)
        return nullptr;

    {   // scoped lock
        XPCAutoLock lock(rt->GetMapLock());
        XPCNativeInterface* iface2 = map->Add(iface);
        if (!iface2) {
            NS_ERROR("failed to add our interface!");
            DestroyInstance(iface);
            iface = nullptr;
        } else if (iface2 != iface) {
            DestroyInstance(iface);
            iface = iface2;
        }
    }

    return iface;
}
// static
XPCNativeInterface*
XPCNativeInterface::GetNewOrUsed(nsIInterfaceInfo* info)
{
    AutoJSContext cx;
    AutoMarkingNativeInterfacePtr iface(cx);

    const nsIID* iid;
    if (NS_FAILED(info->GetIIDShared(&iid)) || !iid)
        return nullptr;

    XPCJSRuntime* rt = XPCJSRuntime::Get();

    IID2NativeInterfaceMap* map = rt->GetIID2NativeInterfaceMap();
    if (!map)
        return nullptr;

    iface = map->Find(*iid);

    if (iface)
        return iface;

    iface = NewInstance(info);
    if (!iface)
        return nullptr;

    XPCNativeInterface* iface2 = map->Add(iface);
    if (!iface2) {
        NS_ERROR("failed to add our interface!");
        DestroyInstance(iface);
        iface = nullptr;
    } else if (iface2 != iface) {
        DestroyInstance(iface);
        iface = iface2;
    }

    return iface;
}