author | hgs |
Mon, 18 Oct 2010 18:23:13 +0300 | |
changeset 34 | ed14f46c0e55 |
parent 7 | 923ff622b8b9 |
permissions | -rw-r--r-- |
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/**************************************************************************** |
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** |
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (developer.feedback@nokia.com) |
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** |
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** This file is part of the HbServers module of the UI Extensions for Mobile. |
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** |
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** GNU Lesser General Public License Usage |
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** This file may be used under the terms of the GNU Lesser General Public |
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** License version 2.1 as published by the Free Software Foundation and |
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** appearing in the file LICENSE.LGPL included in the packaging of this file. |
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** Please review the following information to ensure the GNU Lesser General |
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** Public License version 2.1 requirements will be met: |
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at developer.feedback@nokia.com. |
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** |
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****************************************************************************/ |
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#include "hbthemewatcher_symbian_p.h" |
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#include "hbthemeserver_symbian_p_p.h" |
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#include "hbthemeutils_p.h" |
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#include <QFile> |
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#include <e32property.h> |
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#include <e32base.h> |
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#include <e32svr.h> |
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// Publish/Subscribe themeRequestProp specific |
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static _LIT_SECURITY_POLICY_PASS(KAllowAllPolicy); |
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static _LIT_SECURITY_POLICY_C1(KThemeChangerPolicy,ECapabilityWriteDeviceData); |
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HbThemeWatcher::HbThemeWatcher(HbThemeServerPrivate &observer) : |
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mObserver(observer) |
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{ |
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} |
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HbThemeWatcher::~HbThemeWatcher() |
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{ |
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} |
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void HbThemeWatcher::startWatching(const QString &file) |
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{ |
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mWatcher.removePath(mFile); |
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mWatcher.addPath(file); |
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connect(&mWatcher, SIGNAL(fileChanged(const QString &)), |
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this, SLOT(fileChanged(const QString &))); |
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mFile = file; |
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} |
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void HbThemeWatcher::fileChanged(const QString &file) |
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{ |
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Q_UNUSED(file); |
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if (QFile::exists(mFile)) { |
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// active theme still exists, continue watching |
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return; |
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} |
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// theme doesn't exist, change active theme to default |
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mObserver.HandleThemeSelection( |
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HbThemeUtils::getThemeSetting(HbThemeUtils::DefaultThemeSetting)); |
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} |
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||
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CHbThemeChangeNotificationListener* CHbThemeChangeNotificationListener::NewL(HbThemeServerPrivate& aObserver) |
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{ |
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CHbThemeChangeNotificationListener* self = new (ELeave) CHbThemeChangeNotificationListener(aObserver); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(self); |
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return self; |
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} |
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CHbThemeChangeNotificationListener::CHbThemeChangeNotificationListener(HbThemeServerPrivate& aObserver) |
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:CActive(EPriorityStandard),iObserver(aObserver) |
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{ |
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} |
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void CHbThemeChangeNotificationListener::ConstructL() |
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{ |
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TInt err = RProperty::Define( KServerUid3, KNewThemeForThemeChanger, RProperty::ELargeText, KAllowAllPolicy, KThemeChangerPolicy ); |
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if ( err != KErrAlreadyExists ) { |
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User::LeaveIfError( err ); |
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} |
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err = themeRequestProp.Attach(KServerUid3, KNewThemeForThemeChanger ); |
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User::LeaveIfError(err); |
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CActiveScheduler::Add(this); |
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} |
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CHbThemeChangeNotificationListener::~CHbThemeChangeNotificationListener() |
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{ |
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stopListening(); |
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} |
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void CHbThemeChangeNotificationListener::startListeningL() |
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{ |
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if (IsActive()) { |
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return; //do nothing if already listening |
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} |
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User::LeaveIfError(themeRequestProp.Attach(KServerUid3,KNewThemeForThemeChanger)); |
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//Subscribe for updates |
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themeRequestProp.Subscribe(iStatus); |
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SetActive(); |
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} |
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void CHbThemeChangeNotificationListener::stopListening() |
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{ |
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Cancel(); // cancel |
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if(IsActive()) { // only if already listening |
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themeRequestProp.Close(); // Close the handle since it is not needed anymore |
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} |
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} |
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|
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/* |
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* Returns TRUE if parsing succeeded, FALSE otherwise |
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*/ |
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bool CHbThemeChangeNotificationListener::parseData(const TDesC& requestData, HbThemeServerRequest& etype, TDes& data) |
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{ |
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TInt result = 0; |
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const TChar delimiter = ':'; |
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// initialize return value as failed |
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bool bSuccess = false; |
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|
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result = requestData.Locate( delimiter ); |
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if( KErrNotFound != result ) { |
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TInt len = requestData.Length(); |
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const TDesC& typestr = requestData.Mid(0, result); |
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TLex atype(typestr); |
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TInt iType; |
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atype.Val( iType ); |
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etype = static_cast<HbThemeServerRequest>(iType); |
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data.Copy( requestData.Mid( result + 1, len - result - 1 ) ); |
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bSuccess = true; |
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} else { |
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bSuccess = false; |
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} |
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151 |
|
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return bSuccess; |
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} |
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|
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static const TInt KThemeChangeDataBufferSize = 256; |
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|
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void CHbThemeChangeNotificationListener::RunL() |
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{ |
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// Subscribe first to make sure we don't miss any |
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// when handling this one. |
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themeRequestProp.Subscribe(iStatus); |
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|
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SetActive(); |
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|
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TBuf<KThemeChangeDataBufferSize> requestData; |
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TInt ret = themeRequestProp.Get(requestData); |
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switch (ret) { |
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case KErrNone: { |
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QString qrequestData((QChar*)requestData.Ptr(),requestData.Length()); |
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HbThemeServerRequest etype = EInvalidServerRequest; |
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TBuf<KThemeChangeDataBufferSize> data; |
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///Parse the data from the Publisher |
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bool bSuccess = parseData( requestData, etype, data); |
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if( bSuccess && EThemeSelection == etype) { |
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QString str((QChar*)data.Ptr(), data.Length()); |
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str = str.trimmed(); |
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iObserver.HandleThemeSelection( str ); |
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} |
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break; |
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} |
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default: |
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THEME_GENERIC_DEBUG() << Q_FUNC_INFO << "Themechange request read failed. Error code: " << ret; |
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break; |
|
3
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} |
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} |
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|
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void CHbThemeChangeNotificationListener::DoCancel() |
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{ |
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themeRequestProp.Cancel(); |
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} |