summaryrefslogtreecommitdiffstats
path: root/src/declarative/qml/qmlengine_p.h
blob: c11a399ca4601902d838b637c3fe4c10a18ab181 (plain)
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
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QMLENGINE_P_H
#define QMLENGINE_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 <QtScript/QScriptClass>
#include <QtScript/QScriptValue>
#include <QtScript/QScriptString>
#include <QtCore/qstring.h>
#include <QtCore/qlist.h>
#include <QtCore/qpair.h>
#include <QtCore/qstack.h>
#include <private/qobject_p.h>
#include <private/qmlclassfactory_p.h>
#include <private/qmlcompositetypemanager_p.h>
#include <private/qpodvector_p.h>
#include <qml.h>
#include <private/qmlbasicscript_p.h>
#include <private/qmlvaluetype_p.h>
#include <qmlcontext.h>
#include <qmlengine.h>
#include <qmlexpression.h>
#include <QtScript/qscriptengine.h>
#include <private/qmlmetaproperty_p.h>
#include <private/qmlpropertycache_p.h>
#include <private/qmlobjectscriptclass_p.h>
#include <private/qmlcontextscriptclass_p.h>
#include <private/qmlvaluetypescriptclass_p.h>

QT_BEGIN_NAMESPACE

class QmlContext;
class QmlEngine;
class QmlContextPrivate;
class QmlExpression;
class QmlBasicScriptNodeCache;
class QmlContextScriptClass;
class QmlObjectScriptClass;
class QmlTypeNameScriptClass;
class QmlValueTypeScriptClass;
class QScriptEngineDebugger;
class QNetworkReply;
class QNetworkAccessManager;
class QmlAbstractBinding;
class QScriptDeclarativeClass;
class QmlTypeNameScriptClass;
class QmlTypeNameCache;
class QmlComponentAttached;
class QmlListScriptClass;
class QmlCleanup;
class QmlBindingData;

class QmlEnginePrivate : public QObjectPrivate
{
    Q_DECLARE_PUBLIC(QmlEngine)
public:
    QmlEnginePrivate(QmlEngine *);
    ~QmlEnginePrivate();

    void init();

    struct CapturedProperty {
        CapturedProperty(QObject *o, int c, int n)
            : object(o), coreIndex(c), notifyIndex(n) {}

        QObject *object;
        int coreIndex;
        int notifyIndex;
    };
    QPODVector<CapturedProperty> capturedProperties;

    QmlContext *rootContext;
    QmlExpression *currentExpression;
    bool isDebugging;

    struct ImportedNamespace;
    QmlContextScriptClass *contextClass;
    QmlObjectScriptClass *objectClass;
    QmlValueTypeScriptClass *valueTypeClass;
    QmlTypeNameScriptClass *typeNameClass;
    QmlListScriptClass *listClass;
    // Global script class
    QScriptClass *globalClass;
    // Used by DOM Core 3 API
    QScriptClass *nodeListClass;
    QScriptClass *namedNodeMapClass;
    // Used by SQL database API
    QScriptClass *sqlQueryClass;

    // Registered cleanup handlers
    QmlCleanup *cleanup;

    // Bindings that have had errors during startup
    QmlBindingData *erroredBindings;
    int inProgressCreations;

    struct QmlScriptEngine : public QScriptEngine
    {
        QmlScriptEngine(QmlEnginePrivate *priv)
            : p(priv) {}
        QmlEnginePrivate *p;
    };
    QmlScriptEngine scriptEngine;

    QUrl baseUrl;

    template<class T>
    struct SimpleList {
        SimpleList()
            : count(0), values(0) {}
        SimpleList(int r)
            : count(0), values(new T*[r]) {}

        int count;
        T **values;

        void append(T *v) {
            values[count++] = v;
        }

        T *at(int idx) const {
            return values[idx];
        }

        void clear() {
            delete [] values;
        }
    };

    static void clear(SimpleList<QmlAbstractBinding> &);
    static void clear(SimpleList<QmlParserStatus> &);

    QList<SimpleList<QmlAbstractBinding> > bindValues;
    QList<SimpleList<QmlParserStatus> > parserStatus;
    QmlComponentAttached *componentAttacheds;

    QmlComponent *rootComponent;
    mutable QNetworkAccessManager *networkAccessManager;

    QmlCompositeTypeManager typeManager;
    QStringList fileImportPath;
    QString offlineStoragePath;

    mutable quint32 uniqueId;
    quint32 getUniqueId() const {
        return uniqueId++;
    }

    QmlValueTypeFactory valueTypes;

    QHash<const QMetaObject *, QmlPropertyCache *> propertyCache;
    QmlPropertyCache *cache(QObject *obj) { 
        Q_Q(QmlEngine);
        if (!obj || QObjectPrivate::get(obj)->metaObject) return 0;
        const QMetaObject *mo = obj->metaObject();
        QmlPropertyCache *rv = propertyCache.value(mo);
        if (!rv) {
            rv = QmlPropertyCache::create(q, mo);
            propertyCache.insert(mo, rv);
        }
        return rv;
    }

    // ### This whole class is embarrassing
    struct Imports {
        Imports();
        ~Imports();
        Imports(const Imports &copy);
        Imports &operator =(const Imports &copy);

        void setBaseUrl(const QUrl& url);
        QUrl baseUrl() const;

        QmlTypeNameCache *cache(QmlEngine *) const;

    private:
        friend class QmlEnginePrivate;
        QmlImportsPrivate *d;
    };

    bool addToImport(Imports*, const QString& qmlDirContent,const QString& uri, const QString& prefix, int vmaj, int vmin, QmlScriptParser::Import::Type importType) const;
    bool resolveType(const Imports&, const QByteArray& type,
                     QmlType** type_return, QUrl* url_return,
                     int *version_major, int *version_minor,
                     ImportedNamespace** ns_return) const;
    void resolveTypeInNamespace(ImportedNamespace*, const QByteArray& type,
                                QmlType** type_return, QUrl* url_return,
                                int *version_major, int *version_minor ) const;


    void registerCompositeType(QmlCompiledData *);
    bool isQmlList(int) const;
    bool isObject(int);
    int qmlListType(int) const;
    const QMetaObject *rawMetaObjectForType(int) const;
    const QMetaObject *metaObjectForType(int) const;
    QHash<int, int> m_qmlLists;
    QHash<int, QmlCompiledData *> m_compositeTypes;

    QScriptValue scriptValueFromVariant(const QVariant &);
    QVariant scriptValueToVariant(const QScriptValue &);

    static QScriptValue qmlScriptObject(QObject*, QmlEngine*);

    static QScriptValue createComponent(QScriptContext*, QScriptEngine*);
    static QScriptValue createQmlObject(QScriptContext*, QScriptEngine*);
    static QScriptValue vector(QScriptContext*, QScriptEngine*);
    static QScriptValue rgba(QScriptContext*, QScriptEngine*);
    static QScriptValue hsla(QScriptContext*, QScriptEngine*);
    static QScriptValue point(QScriptContext*, QScriptEngine*);
    static QScriptValue size(QScriptContext*, QScriptEngine*);
    static QScriptValue rect(QScriptContext*, QScriptEngine*);

    static QScriptValue lighter(QScriptContext*, QScriptEngine*);
    static QScriptValue darker(QScriptContext*, QScriptEngine*);
    static QScriptValue tint(QScriptContext*, QScriptEngine*);

    static QScriptValue closestAngle(QScriptContext*, QScriptEngine*);
    static QScriptValue playSound(QScriptContext*, QScriptEngine*);
    static QScriptValue desktopOpenUrl(QScriptContext*, QScriptEngine*);
    static QScriptValue md5(QScriptContext*, QScriptEngine*);
    static QScriptValue consoleLog(QScriptContext*, QScriptEngine*);

    static QScriptEngine *getScriptEngine(QmlEngine *e) { return &e->d_func()->scriptEngine; }
    static QmlEngine *getEngine(QScriptEngine *e) { return static_cast<QmlScriptEngine*>(e)->p->q_func(); }
    static QmlEnginePrivate *get(QmlEngine *e) { return e->d_func(); }
    static QmlEnginePrivate *get(QScriptEngine *e) { return static_cast<QmlScriptEngine*>(e)->p; }
    QmlContext *getContext(QScriptContext *);
};


class QmlScriptClass : public QScriptClass
{
public:
    QmlScriptClass(QmlEngine *);

    static QVariant toVariant(QmlEngine *, const QScriptValue &);
protected:
    QmlEngine *engine;
};

QT_END_NAMESPACE

#endif // QMLENGINE_P_H