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authorLars Knoll <lars.knoll@digia.com>2013-08-08 13:02:40 +0200
committerThe Qt Project <gerrit-noreply@qt-project.org>2013-08-08 15:35:08 +0200
commit6c51b182f3fc3abdd6330b402c4fe16d623d1b0a (patch)
treef3f997f565d74420102c6f67faaada24b30a9350 /src/qml/jsapi/qjsengine.h
parent3081b4f90f59eeaa64fe3ff59e5bfbc84a16191f (diff)
Move the JS Api into it's own folder
Change-Id: I7ef371ff929387097862121b73a7a5863b51ccf1 Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Diffstat (limited to 'src/qml/jsapi/qjsengine.h')
-rw-r--r--src/qml/jsapi/qjsengine.h138
1 files changed, 138 insertions, 0 deletions
diff --git a/src/qml/jsapi/qjsengine.h b/src/qml/jsapi/qjsengine.h
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+++ b/src/qml/jsapi/qjsengine.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 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 QJSENGINE_H
+#define QJSENGINE_H
+
+#include <QtCore/qmetatype.h>
+
+#include <QtCore/qvariant.h>
+#include <QtCore/qsharedpointer.h>
+#include <QtCore/qobject.h>
+#include <QtQml/qjsvalue.h>
+
+QT_BEGIN_NAMESPACE
+
+
+class QV8Engine;
+
+template <typename T>
+inline T qjsvalue_cast(const QJSValue &);
+
+class QJSEnginePrivate;
+class Q_QML_EXPORT QJSEngine
+ : public QObject
+{
+ Q_OBJECT
+public:
+ QJSEngine();
+ explicit QJSEngine(QObject *parent);
+ virtual ~QJSEngine();
+
+ QJSValue globalObject() const;
+
+ QJSValue evaluate(const QString &program, const QString &fileName = QString(), int lineNumber = 1);
+
+ QJSValue newObject();
+ QJSValue newArray(uint length = 0);
+
+ QJSValue newQObject(QObject *object);
+
+ template <typename T>
+ inline QJSValue toScriptValue(const T &value)
+ {
+ return create(qMetaTypeId<T>(), &value);
+ }
+ template <typename T>
+ inline T fromScriptValue(const QJSValue &value)
+ {
+ return qjsvalue_cast<T>(value);
+ }
+
+ void collectGarbage();
+
+ QV8Engine *handle() const { return d; }
+
+private:
+ QJSValue create(int type, const void *ptr);
+
+ static bool convertV2(const QJSValue &value, int type, void *ptr);
+
+ friend inline bool qjsvalue_cast_helper(const QJSValue &, int, void *);
+
+protected:
+ QJSEngine(QJSEnginePrivate &dd, QObject *parent = 0);
+
+private:
+ QV8Engine *d;
+ Q_DISABLE_COPY(QJSEngine)
+ Q_DECLARE_PRIVATE(QJSEngine)
+ friend class QV8Engine;
+};
+
+inline bool qjsvalue_cast_helper(const QJSValue &value, int type, void *ptr)
+{
+ return QJSEngine::convertV2(value, type, ptr);
+}
+
+template<typename T>
+T qjsvalue_cast(const QJSValue &value)
+{
+ T t;
+ const int id = qMetaTypeId<T>();
+
+ if (qjsvalue_cast_helper(value, id, &t))
+ return t;
+ else if (value.isVariant())
+ return qvariant_cast<T>(value.toVariant());
+
+ return T();
+}
+
+template <>
+inline QVariant qjsvalue_cast<QVariant>(const QJSValue &value)
+{
+ return value.toVariant();
+}
+
+QT_END_NAMESPACE
+
+#endif // QJSENGINE_H