author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 02 Sep 2010 20:17:27 +0300 | |
changeset 85 | 35368b604b28 |
parent 77 | 4b195f3bea29 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#include <e32property.h> |
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#include <QFile> |
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#include "hsrecoverymanager.h" |
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const TInt KPSCategoryUid(0x20022F36); |
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const TInt KPSCrashCountKey(1); |
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const int KCrashCountThreshold(3); |
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const int KResetCrashCountInterval(60000); |
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/*! |
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\class HsRecoveryManager |
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\ingroup group_hsapplication |
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\brief Used during homescreen startup for recovering from possible crash situations. |
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*/ |
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|
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/*! |
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Constructs a new recovery manager with the given \a parent item. |
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*/ |
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HsRecoveryManager::HsRecoveryManager(QObject *parent) |
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: QObject(parent) |
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{ |
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mTimer.setInterval(KResetCrashCountInterval); |
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mTimer.setSingleShot(true); |
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connect(&mTimer, SIGNAL(timeout()), SLOT(resetCrashCount())); |
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} |
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|
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/*! |
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Destructor. |
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*/ |
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HsRecoveryManager::~HsRecoveryManager() |
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{ |
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} |
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|
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/*! |
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Executes this recovery manager. If crash count exceeds the |
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threshold, the ROM configuration is selected. Otherwise, |
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the existing one is used. |
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*/ |
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void HsRecoveryManager::execute() |
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{ |
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int count = crashCount(); |
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if (KCrashCountThreshold <= count) { |
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restoreRomDatabase(); |
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resetCrashCount(); |
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return; |
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} |
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if (0 < count) { |
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mTimer.start(); |
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} |
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} |
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|
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/*! |
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Restores the ROM database to c: drive. |
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*/ |
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void HsRecoveryManager::restoreRomDatabase() |
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{ |
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// If exists, remove the database from c: |
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QFile file("c:/private/20022f35/homescreen.db"); |
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if (file.exists()) { |
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file.remove(); |
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} |
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// Copy the rom database to c: and set permissions. |
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file.setFileName("z:/private/20022f35/homescreen.db"); |
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if (!file.copy("c:/private/20022f35/homescreen.db")) { |
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qDebug() << "copying of homescreen.db to c: drive failed"; |
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} else { |
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file.setFileName("c:/private/20022f35/homescreen.db"); |
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if (!file.setPermissions(QFile::ReadOwner | QFile::WriteOwner)) { |
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qDebug() << "setPermissions of homescreen.db failed"; |
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} |
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} |
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} |
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/*! |
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Resets the crash count to zero. |
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*/ |
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void HsRecoveryManager::resetCrashCount() |
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{ |
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RProperty::Set(TUid::Uid(KPSCategoryUid), KPSCrashCountKey, 0); |
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} |
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/*! |
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Returns the current crash count. |
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*/ |
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int HsRecoveryManager::crashCount() |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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105 |
{ |
4b195f3bea29
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
106 |
TInt count = 0; |
4b195f3bea29
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
107 |
RProperty::Get(TUid::Uid(KPSCategoryUid), KPSCrashCountKey, count); |
4b195f3bea29
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
108 |
return count; |
4b195f3bea29
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
109 |
} |