From 6c51b182f3fc3abdd6330b402c4fe16d623d1b0a Mon Sep 17 00:00:00 2001 From: Lars Knoll Date: Thu, 8 Aug 2013 13:02:40 +0200 Subject: Move the JS Api into it's own folder Change-Id: I7ef371ff929387097862121b73a7a5863b51ccf1 Reviewed-by: Simon Hausmann --- src/qml/jsapi/qjsengine.h | 138 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 src/qml/jsapi/qjsengine.h (limited to 'src/qml/jsapi/qjsengine.h') diff --git a/src/qml/jsapi/qjsengine.h b/src/qml/jsapi/qjsengine.h new file mode 100644 index 0000000000..0a575f84e9 --- /dev/null +++ b/src/qml/jsapi/qjsengine.h @@ -0,0 +1,138 @@ +/**************************************************************************** +** +** 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 + +#include +#include +#include +#include + +QT_BEGIN_NAMESPACE + + +class QV8Engine; + +template +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 + inline QJSValue toScriptValue(const T &value) + { + return create(qMetaTypeId(), &value); + } + template + inline T fromScriptValue(const QJSValue &value) + { + return qjsvalue_cast(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 +T qjsvalue_cast(const QJSValue &value) +{ + T t; + const int id = qMetaTypeId(); + + if (qjsvalue_cast_helper(value, id, &t)) + return t; + else if (value.isVariant()) + return qvariant_cast(value.toVariant()); + + return T(); +} + +template <> +inline QVariant qjsvalue_cast(const QJSValue &value) +{ + return value.toVariant(); +} + +QT_END_NAMESPACE + +#endif // QJSENGINE_H -- cgit v1.2.3