1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et :
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "PluginScriptableObjectUtils.h"
namespace {
template<class InstanceType>
class VariantTraits;
template<>
class VariantTraits<mozilla::plugins::PluginInstanceParent>
{
public:
typedef mozilla::plugins::PluginScriptableObjectParent ScriptableObjectType;
};
template<>
class VariantTraits<mozilla::plugins::PluginInstanceChild>
{
public:
typedef mozilla::plugins::PluginScriptableObjectChild ScriptableObjectType;
};
} /* anonymous namespace */
inline bool
mozilla::plugins::ConvertToVariant(const Variant& aRemoteVariant,
NPVariant& aVariant,
PluginInstanceParent* aInstance)
{
switch (aRemoteVariant.type()) {
case Variant::Tvoid_t: {
VOID_TO_NPVARIANT(aVariant);
break;
}
case Variant::Tnull_t: {
NULL_TO_NPVARIANT(aVariant);
break;
}
case Variant::Tbool: {
BOOLEAN_TO_NPVARIANT(aRemoteVariant.get_bool(), aVariant);
break;
}
case Variant::Tint: {
INT32_TO_NPVARIANT(aRemoteVariant.get_int(), aVariant);
break;
}
case Variant::Tdouble: {
DOUBLE_TO_NPVARIANT(aRemoteVariant.get_double(), aVariant);
break;
}
case Variant::TnsCString: {
const nsCString& string = aRemoteVariant.get_nsCString();
const size_t length = string.Length();
NPUTF8* buffer = static_cast<NPUTF8*>(::malloc(sizeof(NPUTF8) * (length + 1)));
if (!buffer) {
NS_ERROR("Out of memory!");
return false;
}
std::copy(string.get(), string.get() + length, buffer);
buffer[length] = '\0';
STRINGN_TO_NPVARIANT(buffer, length, aVariant);
break;
}
case Variant::TPPluginScriptableObjectParent: {
NS_ASSERTION(aInstance, "Must have an instance!");
NPObject* object = NPObjectFromVariant(aRemoteVariant);
if (!object) {
NS_ERROR("Er, this shouldn't fail!");
return false;
}
const NPNetscapeFuncs* npn = GetNetscapeFuncs(aInstance);
if (!npn) {
NS_ERROR("Null netscape funcs!");
return false;
}
npn->retainobject(object);
OBJECT_TO_NPVARIANT(object, aVariant);
break;
}
case Variant::TPPluginScriptableObjectChild: {
NS_ASSERTION(!aInstance, "No instance should be given!");
NS_ASSERTION(XRE_GetProcessType() == GeckoProcessType_Plugin,
"Should be running on child only!");
NPObject* object = NPObjectFromVariant(aRemoteVariant);
NS_ASSERTION(object, "Null object?!");
PluginModuleChild::sBrowserFuncs.retainobject(object);
OBJECT_TO_NPVARIANT(object, aVariant);
break;
}
default:
NS_NOTREACHED("Shouldn't get here!");
return false;
}
return true;
}
template <class InstanceType>
bool
mozilla::plugins::ConvertToRemoteVariant(const NPVariant& aVariant,
Variant& aRemoteVariant,
InstanceType* aInstance,
bool aProtectActors)
{
if (NPVARIANT_IS_VOID(aVariant)) {
aRemoteVariant = mozilla::void_t();
}
else if (NPVARIANT_IS_NULL(aVariant)) {
aRemoteVariant = mozilla::null_t();
}
else if (NPVARIANT_IS_BOOLEAN(aVariant)) {
aRemoteVariant = NPVARIANT_TO_BOOLEAN(aVariant);
}
else if (NPVARIANT_IS_INT32(aVariant)) {
aRemoteVariant = NPVARIANT_TO_INT32(aVariant);
}
else if (NPVARIANT_IS_DOUBLE(aVariant)) {
aRemoteVariant = NPVARIANT_TO_DOUBLE(aVariant);
}
else if (NPVARIANT_IS_STRING(aVariant)) {
NPString str = NPVARIANT_TO_STRING(aVariant);
nsCString string(str.UTF8Characters, str.UTF8Length);
aRemoteVariant = string;
}
else if (NPVARIANT_IS_OBJECT(aVariant)) {
NPObject* object = NPVARIANT_TO_OBJECT(aVariant);
typename VariantTraits<InstanceType>::ScriptableObjectType* actor =
aInstance->GetActorForNPObject(object);
if (!actor) {
NS_ERROR("Null actor!");
return false;
}
if (aProtectActors) {
actor->Protect();
}
aRemoteVariant = actor;
}
else {
NS_NOTREACHED("Shouldn't get here!");
return false;
}
return true;
}
|
