taskswitcher/server/src/hsrunningappserver.cpp
author Jaakko Haukipuro (Nokia-MS/Oulu) <Jaakko.Haukipuro@nokia.com>
Thu, 16 Sep 2010 12:11:40 +0100
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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 <tswindowgroupsobserver.h>
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#include "tstaskmonitorglobals.h"
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#include "hsrunningappserver.h"
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#include "hsrunningappsession.h"
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#include "tsbacksteppingactivation.h"
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#include "tsmodel.h"
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#include "tsstorage.h"
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#include "tsservicesprovider.h"
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#include "tsserializeddataprovider.h"
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#include "tsrunningappmodel.h"
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_LIT(KErrObserverExists, "Observer already exists");
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CRunningAppServer::CRunningAppServer()
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:
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CServer2(EPriorityStandard)
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{
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    // No implementation required
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CRunningAppServer::~CRunningAppServer()
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{
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    delete mBacksteppingEngine;
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    delete mStorage;
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    delete mAppsModel;
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    delete mServiceProvider;
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    delete mSerializer;
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    delete mMonitor;
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    mObservers.ResetAndDestroy();
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CRunningAppServer* CRunningAppServer::NewLC()
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{
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    CRunningAppServer* self = new (ELeave) CRunningAppServer();
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    return self;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CRunningAppServer::ConstructL()
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{
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    StartL(KRunningAppServerName);
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    User::LeaveIfError(mWsSession.Connect());
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    mResources = CTsResourceManager::NewL();
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    mMonitor = CTsWindowGroupsMonitor::NewL(*mResources);
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    mSerializer = CTsSerializedDataProvider::NewL(*this);
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    RPointerArray<MTsModel> providers;
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    CleanupClosePushL(providers);
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    mAppsModel = CTsRunningAppModel::NewL(*mResources, *mMonitor);
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    providers.AppendL(mAppsModel);
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    CTsServiceProviderConfig *cfg = CTsServiceProviderConfig::NewLC();
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    mServiceProvider = CTsServiceProvider::NewL(*cfg);
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    CleanupStack::PopAndDestroy(cfg);
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    addProviders(providers, *mServiceProvider);
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    mStorage = CTsStorage::NewL(providers.Array());
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    mStorage->setObserver(mSerializer);
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    CleanupStack::PopAndDestroy(&providers);
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    // load initial data
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    mStorage->DataChanged();
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    TRAP_IGNORE(mBacksteppingEngine = CTsBacksteppingActivation::NewL(*mMonitor);)
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CSession2* CRunningAppServer::NewSessionL(const TVersion &, const RMessage2&) const
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{
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    RPointerArray<MTsDataStorage> dataStorages;
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    CleanupClosePushL(dataStorages);
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    dataStorages.AppendL(const_cast<CRunningAppServer *>(this)->mAppsModel);
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    dataStorages.AppendL(const_cast<CRunningAppServer *>(this)->mStorage);
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    CSession2* retVal = CRunningAppSession::NewL(*const_cast<CRunningAppServer *>(this),
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                                                 *const_cast<CRunningAppServer *>(this)->mSerializer,
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                                                 dataStorages.Array());
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    CleanupStack::PopAndDestroy(&dataStorages);
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    return retVal;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CRunningAppServer::DataChanged()
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{
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    while (0 < mObservers.Count()) {
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        mObservers[0]->DataChanged();
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    }
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CRunningAppServer::PushL(CTsDataObserver* observer)
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{
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    ( 0 <= mObservers.Find(observer)) ?
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    User::Panic(KErrObserverExists, KErrAlreadyExists) :
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    mObservers.AppendL(observer);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CRunningAppServer::Pop(CTsDataObserver* observer)
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{
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    const TInt offset(mObservers.Find(observer));
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    if(0 <= offset) {
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        mObservers.Remove(offset);
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    }
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CRunningAppServer::Cancel(const RMessage2& reason)
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{
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    for (TInt iter(mObservers.Count() - 1); 0 <= iter; --iter) {
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        mObservers[iter]->Cancel(reason);
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    }
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    reason.Complete(KErrNone);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CRunningAppServer::Invalidate(const CSession2* session)
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{
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    for (TInt iter(mObservers.Count() - 1); 0 <= iter; --iter) {
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        if(mObservers[iter]->IsParent(session)) {
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            delete mObservers[iter];
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            mObservers.Remove(iter);
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        }
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    }
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}
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// -----------------------------------------------------------------------------
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void CRunningAppServer::addProviders(RPointerArray<MTsModel> &dst, 
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                                     const CTsServiceProvider& serviceProvider)
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{
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    for (TInt offset(0); offset < serviceProvider.count(); ++offset) {
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        dst.Append(&serviceProvider[offset]);
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    }
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}