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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QV8QOBJECTWRAPPER_P_H
#define QV8QOBJECTWRAPPER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qglobal.h>
#include <QtCore/qmetatype.h>
#include <QtCore/qpair.h>
#include <QtCore/qhash.h>
#include <private/qv8_p.h>
#include <private/qhashedstring_p.h>
#include <private/qqmldata_p.h>
#include <private/qqmlpropertycache_p.h>
#include <private/qintrusivelist_p.h>
#include "qv8objectresource_p.h"
QT_BEGIN_NAMESPACE
class QObject;
class QV8Engine;
class QQmlData;
class QV8ObjectResource;
class QV8QObjectInstance;
class QV8QObjectConnectionList;
class QQmlPropertyCache;
class QV8QObjectResource : public QV8ObjectResource
{
V8_RESOURCE_TYPE(QObjectType);
public:
QV8QObjectResource(QV8Engine *engine, QObject *object);
QQmlGuard<QObject> object;
QIntrusiveListNode weakResource;
};
class Q_QML_PRIVATE_EXPORT QV8QObjectWrapper
{
public:
QV8QObjectWrapper();
~QV8QObjectWrapper();
void init(QV8Engine *);
void destroy();
v8::Handle<v8::Value> newQObject(QObject *object);
bool isQObject(v8::Handle<v8::Object>);
QObject *toQObject(v8::Handle<v8::Object>);
static QObject *toQObject(QV8ObjectResource *);
enum RevisionMode { IgnoreRevision, CheckRevision };
inline v8::Handle<v8::Value> getProperty(QObject *, const QHashedV8String &, QQmlContextData *, RevisionMode);
inline bool setProperty(QObject *, const QHashedV8String &, QQmlContextData *, v8::Handle<v8::Value>, RevisionMode);
void registerWeakQObjectReference(QV8QObjectResource *resource)
{
m_javaScriptOwnedWeakQObjects.insert(resource);
}
void unregisterWeakQObjectReference(QV8QObjectResource *resource)
{
m_javaScriptOwnedWeakQObjects.remove(resource);
}
private:
friend class QQmlPropertyCache;
friend class QV8QObjectConnectionList;
friend class QV8QObjectInstance;
v8::Local<v8::Object> newQObject(QObject *, QQmlData *, QV8Engine *);
bool deleteWeakQObject(QV8QObjectResource *resource, bool calledFromEngineDtor = false);
static v8::Handle<v8::Value> GetProperty(QV8Engine *, QObject *, v8::Handle<v8::Value> *,
const QHashedV8String &, QQmlContextData *, QV8QObjectWrapper::RevisionMode);
static bool SetProperty(QV8Engine *, QObject *, const QHashedV8String &, QQmlContextData *,
v8::Handle<v8::Value>, QV8QObjectWrapper::RevisionMode);
static v8::Handle<v8::Value> Getter(v8::Local<v8::String> property,
const v8::AccessorInfo &info);
static v8::Handle<v8::Value> Setter(v8::Local<v8::String> property,
v8::Local<v8::Value> value,
const v8::AccessorInfo &info);
static v8::Handle<v8::Integer> Query(v8::Local<v8::String> property,
const v8::AccessorInfo &info);
static v8::Handle<v8::Array> Enumerator(const v8::AccessorInfo &info);
static v8::Handle<v8::Value> Connect(const v8::Arguments &args);
static v8::Handle<v8::Value> Disconnect(const v8::Arguments &args);
static v8::Handle<v8::Value> Invoke(const v8::Arguments &args);
static QPair<QObject *, int> ExtractQtMethod(QV8Engine *, v8::Handle<v8::Function>);
static QPair<QObject *, int> ExtractQtSignal(QV8Engine *, v8::Handle<v8::Object>);
static void WeakQObjectReferenceCallback(v8::Persistent<v8::Value> handle, void *wrapper);
QV8Engine *m_engine;
quint32 m_id;
v8::Persistent<v8::Function> m_constructor;
v8::Persistent<v8::Function> m_methodConstructor;
v8::Persistent<v8::Function> m_signalHandlerConstructor;
v8::Persistent<v8::String> m_toStringSymbol;
v8::Persistent<v8::String> m_destroySymbol;
QHashedV8String m_toStringString;
QHashedV8String m_destroyString;
v8::Persistent<v8::Object> m_hiddenObject;
QHash<QObject *, QV8QObjectConnectionList *> m_connections;
typedef QHash<QObject *, QV8QObjectInstance *> TaintedHash;
TaintedHash m_taintedObjects;
QIntrusiveList<QV8QObjectResource, &QV8QObjectResource::weakResource> m_javaScriptOwnedWeakQObjects;
};
v8::Handle<v8::Value> QV8QObjectWrapper::getProperty(QObject *object, const QHashedV8String &string,
QQmlContextData *context, RevisionMode mode)
{
QQmlData *dd = QQmlData::get(object, false);
if (!dd || !dd->propertyCache || m_toStringString == string || m_destroyString == string ||
dd->propertyCache->property(string, object, context)) {
return GetProperty(m_engine, object, 0, string, context, mode);
} else {
return v8::Handle<v8::Value>();
}
}
bool QV8QObjectWrapper::setProperty(QObject *object, const QHashedV8String &string,
QQmlContextData *context, v8::Handle<v8::Value> value, RevisionMode mode)
{
QQmlData *dd = QQmlData::get(object, false);
if (!dd || !dd->propertyCache || m_toStringString == string || m_destroyString == string ||
dd->propertyCache->property(string, object, context)) {
return SetProperty(m_engine, object, string, context, value, mode);
} else {
return false;
}
}
QT_END_NAMESPACE
#endif // QV8QOBJECTWRAPPER_P_H
|
