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
|
/*
* Copyright (C) 2018 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "JSCWrapperMap.h"
#include "APICast.h"
#include "IntegrityInlines.h"
#include "JSAPIWrapperGlobalObject.h"
#include "JSAPIWrapperObject.h"
#include "JSCClassPrivate.h"
#include "JSCContextPrivate.h"
#include "JSCGLibWrapperObject.h"
#include "JSCInlines.h"
#include "JSCValuePrivate.h"
#include "JSCallbackObject.h"
#include "JSContextRef.h"
namespace JSC {
WrapperMap::WrapperMap(JSGlobalContextRef jsContext)
: m_cachedJSWrappers(makeUnique<JSC::WeakGCMap<gpointer, JSC::JSObject>>(toJS(jsContext)->vm()))
{
}
WrapperMap::~WrapperMap()
{
for (const auto& jscClass : m_classMap.values())
jscClassInvalidate(jscClass.get());
}
GRefPtr<JSCValue> WrapperMap::gobjectWrapper(JSCContext* jscContext, JSValueRef jsValue)
{
auto* jsContext = jscContextGetJSContext(jscContext);
JSC::JSLockHolder locker(toJS(jsContext));
ASSERT(toJSGlobalObject(jsContext)->wrapperMap() == this);
GRefPtr<JSCValue> value = m_cachedGObjectWrappers.get(jsValue);
if (!value) {
value = adoptGRef(jscValueCreate(jscContext, jsValue));
m_cachedGObjectWrappers.set(jsValue, value.get());
}
return value;
}
void WrapperMap::unwrap(JSValueRef jsValue)
{
ASSERT(m_cachedGObjectWrappers.contains(jsValue));
m_cachedGObjectWrappers.remove(jsValue);
}
void WrapperMap::registerClass(JSCClass* jscClass)
{
RefPtr jsClass = jscClassGetJSClass(jscClass);
ASSERT(!m_classMap.contains(jsClass.get()));
m_classMap.set(jsClass.get(), jscClass);
}
JSCClass* WrapperMap::registeredClass(JSClassRef jsClass) const
{
return m_classMap.get(jsClass);
}
JSObject* WrapperMap::createJSWrapper(JSGlobalContextRef jsContext, JSClassRef jsClass, JSValueRef prototype, gpointer wrappedObject, GDestroyNotify destroyFunction)
{
ASSERT(toJSGlobalObject(jsContext)->wrapperMap() == this);
JSGlobalObject* globalObject = toJS(jsContext);
Ref vm = globalObject->vm();
JSLockHolder locker(vm);
auto* object = JSC::JSCallbackObject<JSC::JSAPIWrapperObject>::create(globalObject, globalObject->glibWrapperObjectStructure(), jsClass, nullptr);
if (wrappedObject) {
object->setWrappedObject(new JSC::JSCGLibWrapperObject(wrappedObject, destroyFunction));
m_cachedJSWrappers->set(wrappedObject, object);
}
if (prototype)
JSObjectSetPrototype(jsContext, toRef(object), prototype);
else if (auto* jsPrototype = jsClass->prototype(globalObject))
object->setPrototypeDirect(vm, jsPrototype);
return object;
}
JSGlobalContextRef WrapperMap::createContextWithJSWrapper(JSContextGroupRef jsGroup, JSClassRef jsClass, JSValueRef prototype, gpointer wrappedObject, GDestroyNotify destroyFunction)
{
Ref<VM> vm(*toJS(jsGroup));
JSLockHolder locker(vm.ptr());
auto* globalObject = JSCallbackObject<JSAPIWrapperGlobalObject>::create(vm.get(), jsClass, JSCallbackObject<JSAPIWrapperGlobalObject>::createStructure(vm.get(), nullptr, jsNull()));
if (wrappedObject) {
globalObject->setWrappedObject(new JSC::JSCGLibWrapperObject(wrappedObject, destroyFunction));
m_cachedJSWrappers->set(wrappedObject, globalObject);
}
if (prototype)
globalObject->resetPrototype(vm.get(), toJS(globalObject, prototype));
else if (auto jsPrototype = jsClass->prototype(globalObject))
globalObject->resetPrototype(vm.get(), jsPrototype);
else
globalObject->resetPrototype(vm.get(), jsNull());
return JSGlobalContextRetain(toGlobalRef(globalObject));
}
JSObject* WrapperMap::jsWrapper(gpointer wrappedObject) const
{
if (!wrappedObject)
return nullptr;
return m_cachedJSWrappers->get(wrappedObject);
}
gpointer WrapperMap::wrappedObject(JSGlobalContextRef jsContext, JSObjectRef jsObject) const
{
ASSERT(toJSGlobalObject(jsContext)->wrapperMap() == this);
JSLockHolder locker(toJS(jsContext));
auto* object = toJS(jsObject);
if (object->inherits<JSC::JSCallbackObject<JSC::JSAPIWrapperObject>>()) {
if (auto* wrapper = JSC::jsCast<JSC::JSAPIWrapperObject*>(object)->wrappedObject())
return static_cast<JSC::JSCGLibWrapperObject*>(wrapper)->object();
}
if (object->inherits<JSC::JSCallbackObject<JSC::JSAPIWrapperGlobalObject>>()) {
if (auto* wrapper = JSC::jsCast<JSC::JSAPIWrapperGlobalObject*>(object)->wrappedObject())
return wrapper->object();
}
return nullptr;
}
} // namespace JSC
|
