1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the QtDeclarative module of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef QDECLARATIVEWORKERSCRIPT_P_H

    43 #define QDECLARATIVEWORKERSCRIPT_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists purely as an

    50 // implementation detail.  This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include "qdeclarative.h"

    57 #include "qdeclarativeparserstatus.h"

    58 

    59 #include <QtCore/qthread.h>

    60 #include <QtScript/qscriptvalue.h>

    61 #include <QtCore/qurl.h>

    62 

    63 QT_BEGIN_HEADER

    64 

    65 QT_BEGIN_NAMESPACE

    66 

    67 QT_MODULE(Declarative)

    68 

    69 class QDeclarativeWorkerScript;

    70 class QDeclarativeWorkerScriptEnginePrivate;

    71 class QDeclarativeWorkerScriptEngine : public QThread

    72 {

    73 Q_OBJECT

    74 public:

    75     QDeclarativeWorkerScriptEngine(QDeclarativeEngine *parent = 0);

    76     virtual ~QDeclarativeWorkerScriptEngine();

    77 

    78     int registerWorkerScript(QDeclarativeWorkerScript *);

    79     void removeWorkerScript(int);

    80     void executeUrl(int, const QUrl &);

    81     void sendMessage(int, const QVariant &);

    82 

    83 protected:

    84     virtual void run();

    85 

    86 private:

    87     QDeclarativeWorkerScriptEnginePrivate *d;

    88 };

    89 

    90 class Q_DECLARATIVE_EXPORT QDeclarativeWorkerScript : public QObject, public QDeclarativeParserStatus

    91 {

    92     Q_OBJECT

    93     Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)

    94 

    95     Q_INTERFACES(QDeclarativeParserStatus)

    96 public:

    97     QDeclarativeWorkerScript(QObject *parent = 0);

    98     virtual ~QDeclarativeWorkerScript();

    99 

   100     QUrl source() const;

   101     void setSource(const QUrl &);

   102 

   103 public slots:

   104     void sendMessage(const QScriptValue &);

   105 

   106 signals:

   107     void sourceChanged();

   108     void message(const QScriptValue &messageObject);

   109 

   110 protected:

   111     virtual void classBegin();

   112     virtual void componentComplete();

   113     virtual bool event(QEvent *);

   114 

   115 private:

   116     QDeclarativeWorkerScriptEngine *engine();

   117     QDeclarativeWorkerScriptEngine *m_engine;

   118     int m_scriptId;

   119     QUrl m_source;

   120     bool m_componentComplete;

   121 };

   122 

   123 QT_END_NAMESPACE

   124 

   125 QML_DECLARE_TYPE(QDeclarativeWorkerScript)

   126 

   127 QT_END_HEADER

   128 

   129 #endif // QDECLARATIVEWORKERSCRIPT_P_H