1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/plugins/ipc/PluginScriptableObjectUtils-inl.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,162 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=2 et :
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "PluginScriptableObjectUtils.h"
1.11 +
1.12 +namespace {
1.13 +
1.14 +template<class InstanceType>
1.15 +class VariantTraits;
1.16 +
1.17 +template<>
1.18 +class VariantTraits<mozilla::plugins::PluginInstanceParent>
1.19 +{
1.20 +public:
1.21 + typedef mozilla::plugins::PluginScriptableObjectParent ScriptableObjectType;
1.22 +};
1.23 +
1.24 +template<>
1.25 +class VariantTraits<mozilla::plugins::PluginInstanceChild>
1.26 +{
1.27 +public:
1.28 + typedef mozilla::plugins::PluginScriptableObjectChild ScriptableObjectType;
1.29 +};
1.30 +
1.31 +} /* anonymous namespace */
1.32 +
1.33 +inline bool
1.34 +mozilla::plugins::ConvertToVariant(const Variant& aRemoteVariant,
1.35 + NPVariant& aVariant,
1.36 + PluginInstanceParent* aInstance)
1.37 +{
1.38 + switch (aRemoteVariant.type()) {
1.39 + case Variant::Tvoid_t: {
1.40 + VOID_TO_NPVARIANT(aVariant);
1.41 + break;
1.42 + }
1.43 +
1.44 + case Variant::Tnull_t: {
1.45 + NULL_TO_NPVARIANT(aVariant);
1.46 + break;
1.47 + }
1.48 +
1.49 + case Variant::Tbool: {
1.50 + BOOLEAN_TO_NPVARIANT(aRemoteVariant.get_bool(), aVariant);
1.51 + break;
1.52 + }
1.53 +
1.54 + case Variant::Tint: {
1.55 + INT32_TO_NPVARIANT(aRemoteVariant.get_int(), aVariant);
1.56 + break;
1.57 + }
1.58 +
1.59 + case Variant::Tdouble: {
1.60 + DOUBLE_TO_NPVARIANT(aRemoteVariant.get_double(), aVariant);
1.61 + break;
1.62 + }
1.63 +
1.64 + case Variant::TnsCString: {
1.65 + const nsCString& string = aRemoteVariant.get_nsCString();
1.66 + NPUTF8* buffer = reinterpret_cast<NPUTF8*>(strdup(string.get()));
1.67 + if (!buffer) {
1.68 + NS_ERROR("Out of memory!");
1.69 + return false;
1.70 + }
1.71 + STRINGN_TO_NPVARIANT(buffer, string.Length(), aVariant);
1.72 + break;
1.73 + }
1.74 +
1.75 + case Variant::TPPluginScriptableObjectParent: {
1.76 + NS_ASSERTION(aInstance, "Must have an instance!");
1.77 + NPObject* object = NPObjectFromVariant(aRemoteVariant);
1.78 + if (!object) {
1.79 + NS_ERROR("Er, this shouldn't fail!");
1.80 + return false;
1.81 + }
1.82 +
1.83 + const NPNetscapeFuncs* npn = GetNetscapeFuncs(aInstance);
1.84 + if (!npn) {
1.85 + NS_ERROR("Null netscape funcs!");
1.86 + return false;
1.87 + }
1.88 +
1.89 + npn->retainobject(object);
1.90 + OBJECT_TO_NPVARIANT(object, aVariant);
1.91 + break;
1.92 + }
1.93 +
1.94 + case Variant::TPPluginScriptableObjectChild: {
1.95 + NS_ASSERTION(!aInstance, "No instance should be given!");
1.96 + NS_ASSERTION(PluginModuleChild::current(),
1.97 + "Should be running on child only!");
1.98 +
1.99 + NPObject* object = NPObjectFromVariant(aRemoteVariant);
1.100 + NS_ASSERTION(object, "Null object?!");
1.101 +
1.102 + PluginModuleChild::sBrowserFuncs.retainobject(object);
1.103 + OBJECT_TO_NPVARIANT(object, aVariant);
1.104 + break;
1.105 + }
1.106 +
1.107 + default:
1.108 + NS_NOTREACHED("Shouldn't get here!");
1.109 + return false;
1.110 + }
1.111 +
1.112 + return true;
1.113 +}
1.114 +
1.115 +template <class InstanceType>
1.116 +bool
1.117 +mozilla::plugins::ConvertToRemoteVariant(const NPVariant& aVariant,
1.118 + Variant& aRemoteVariant,
1.119 + InstanceType* aInstance,
1.120 + bool aProtectActors)
1.121 +{
1.122 + if (NPVARIANT_IS_VOID(aVariant)) {
1.123 + aRemoteVariant = mozilla::void_t();
1.124 + }
1.125 + else if (NPVARIANT_IS_NULL(aVariant)) {
1.126 + aRemoteVariant = mozilla::null_t();
1.127 + }
1.128 + else if (NPVARIANT_IS_BOOLEAN(aVariant)) {
1.129 + aRemoteVariant = NPVARIANT_TO_BOOLEAN(aVariant);
1.130 + }
1.131 + else if (NPVARIANT_IS_INT32(aVariant)) {
1.132 + aRemoteVariant = NPVARIANT_TO_INT32(aVariant);
1.133 + }
1.134 + else if (NPVARIANT_IS_DOUBLE(aVariant)) {
1.135 + aRemoteVariant = NPVARIANT_TO_DOUBLE(aVariant);
1.136 + }
1.137 + else if (NPVARIANT_IS_STRING(aVariant)) {
1.138 + NPString str = NPVARIANT_TO_STRING(aVariant);
1.139 + nsCString string(str.UTF8Characters, str.UTF8Length);
1.140 + aRemoteVariant = string;
1.141 + }
1.142 + else if (NPVARIANT_IS_OBJECT(aVariant)) {
1.143 + NPObject* object = NPVARIANT_TO_OBJECT(aVariant);
1.144 +
1.145 + typename VariantTraits<InstanceType>::ScriptableObjectType* actor =
1.146 + aInstance->GetActorForNPObject(object);
1.147 +
1.148 + if (!actor) {
1.149 + NS_ERROR("Null actor!");
1.150 + return false;
1.151 + }
1.152 +
1.153 + if (aProtectActors) {
1.154 + actor->Protect();
1.155 + }
1.156 +
1.157 + aRemoteVariant = actor;
1.158 + }
1.159 + else {
1.160 + NS_NOTREACHED("Shouldn't get here!");
1.161 + return false;
1.162 + }
1.163 +
1.164 + return true;
1.165 +}
