1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0""

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  

    15 *

    16 */

    17 

    18 #ifndef CPWATCHDOG_H

    19 #define CPWATCHDOG_H

    20 

    21 #include <QObject>

    22 #include <QVector>

    23 

    24 #define gWatchDog CpWatchDog::instance()

    25 

    26 #define BEGIN_WATCHDOG_QUARANTINE(PLUGINID) \

    27         gWatchDog->quarantine(PLUGINID);

    28 

    29 #define END_WATCHDOG_QUARANTINE(PLUGINID) \

    30         gWatchDog->removeFromQuarantine(PLUGINID);

    31 

    32 class QSettings;

    33 class CpWatchDog : public QObject

    34 {

    35     Q_OBJECT

    36 public:

    37     static CpWatchDog *instance();

    38     void quarantine(int uid);

    39     void removeFromQuarantine(int uid);

    40     bool isActive() const;

    41     bool wasCleanExit() const;

    42     void reportCleanExit();

    43     bool isInBlackList(int uid);

    44 private:

    45     void init();

    46     void readState();

    47     void storeState();

    48     void readQuarantine();

    49     void storeQuarantine();

    50     void readBlackList();

    51     void storeBlackList();

    52     void updateBlackListedPluginRunCounters();

    53 public slots:

    54     void destroy();

    55 private:

    56     Q_DISABLE_COPY(CpWatchDog)

    57     CpWatchDog();

    58     virtual ~CpWatchDog();

    59 private:

    60     struct PluginQuarantine

    61     {

    62         PluginQuarantine();

    63         void read(QSettings &settings);

    64         void store(QSettings &settings);

    65         int mUid;

    66         int mRunsAfterCrash;

    67     };

    68 private:

    69     bool mActive;

    70     int mCrashCounter;

    71     bool mAppRunning;

    72     int mMaxPluginBlackListedRuns;

    73     int mWatchdogActivationLimit;

    74     QVector<PluginQuarantine> mBlackList;

    75     QVector<int> mQuarantine;

    76     static CpWatchDog *self;

    77 };

    78 

    79 #endif /* CPWATCHDOG_H */