/*
* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: File containing application list classes
*
*/
//INCLUDES:
#include <mmf/common/mmfcontrollerpluginresolver.h> // for CleanupResetAndDestroyPushL
#include <e32debug.h>
#include <apgwgnam.h>
#include <bitstd.h>
#include <AknIconUtils.h> // avkon
#include <apgicnfl.h> // fbsbitmap
#include <AknIconSrvClient.h>
#include <fbs.h>
#include <apgwgnam.h>
#include <QSizeF>
#include <camenuiconutility.h>
#include <apgcli.h>
#include "tsdatalist.h"
#include "tsentrykeygenerator.h"
#include "tsscreenshotmsg.h"
#include "tsunregscreenshotmsg.h"
#include "tsvisibilitymsg.h"
#include "tsresourcemanager.h"
#include "tsrunningapp.h"
#include "tsrunningappstorage.h"
// size for the created app icons
const TInt KAppIconWidth = 128;
const TInt KAppIconHeight = 128;
//uids to be hidden
const TUid KHsApplicationUid = { 0x20022F35 };
// ================= MEMBER FUNCTIONS =======================
// --------------------------------------------------------------------------
/**
* Two-phased constructor.
*/
CTsDataList* CTsDataList::NewL( MTsResourceManager& aResources,
MTsDataObserver& aObserver,
TsEnv& aEnv )
{
CTsDataList* self = new (ELeave) CTsDataList( aResources,
aObserver,
aEnv);
CleanupStack::PushL( self );
self->ConstructL();
CleanupStack::Pop( self );
return self;
}
// --------------------------------------------------------------------------
/**
* Constructor.
*/
CTsDataList::CTsDataList(MTsResourceManager& aResources,
MTsDataObserver& aObserver,
TsEnv& aEnv)
:
CTsWindowGroupsObserverBase( aResources.WsMonitor() ),
iResources( aResources ),
iObserver( aObserver ),
iEnv( aEnv )
{
}
// --------------------------------------------------------------------------
/*
* Destructor
*/
CTsDataList::~CTsDataList()
{
iData.ResetAndDestroy();
iVisibleData.Close();
iHiddenUids.Close();
RFbsSession::Disconnect();
RAknIconSrvClient::Disconnect();
delete iDefaultIcon;
}
// --------------------------------------------------------------------------
/**
* Performs 2nd phase construction.
*/
void CTsDataList::ConstructL()
{
BaseConstructL();
iHiddenUids.AppendL( KHsApplicationUid );
User::LeaveIfError(RFbsSession::Connect());
RAknIconSrvClient::Connect();
QT_TRYCATCH_LEAVING(
iDefaultIcon = HbIcon2CFbsBitmap( HbIcon("qtg_large_application") );)
}
// --------------------------------------------------------------------------
/**
* Returns a reference to the current content.
* Also performs sanity checks, e.g. associates application icons
* when no screenshot has been received.
* @return ref to content array
*/
const RTsFswArray& CTsDataList::Data() const
{
return iVisibleData;
}
// --------------------------------------------------------------------------
/**
* Interface implementation
* @see MTsWindowGroupsObserver HandleWindowGroupChanged
*/
void CTsDataList::HandleWindowGroupChanged(
MTsResourceManager &/*aResources*/,
const MTsRunningApplicationStorage& aStorage)
{
TRAP_IGNORE(RDebug::Print(_L("[TaskSwitcher] processing started"));
RTsFswArray newAppsList;
CleanupResetAndDestroyPushL(newAppsList);
CollectAppsL(newAppsList, aStorage);
RDebug::Print(_L("[TaskSwitcher] gathered app info"));
FitDataToListL(newAppsList);
CleanupStack::PopAndDestroy(&newAppsList);
RDebug::Print(_L("[TaskSwitcher] processing finished"));
);
}
// --------------------------------------------------------------------------
/**
* Adds running apps to the list.
* @param aAppsList array to add to
*/
void CTsDataList::CollectAppsL(RTsFswArray& aAppsList,
const MTsRunningApplicationStorage& aStorage)
{
for( TInt i(0); i < aStorage.Count(); ++i )
{
TTsEntryKey key;
TInt err = TsEntryKeyGeneraror::Generate( key,
aStorage[i].WindowGroupId(),
aStorage );
//skip this entry if it is already on list or generate key failed
if( err!=KErrNone || FindEntry( aAppsList, key ) >= 0 )
{
continue;
}
// get screen number (-1=console, 0=main screen, 1=cover ui)
TInt appScreen = 0;
TInt scrNumErr =
iResources.ApaSession().GetDefaultScreenNumber( appScreen,
aStorage[i].UidL() );
if( aStorage[i].UidL().iUid &&
!aStorage[i].IsHiddenL() &&
(appScreen == 0 || appScreen == -1) &&
scrNumErr == KErrNone )
{
AddEntryL( key, aStorage[i], aAppsList );
}
}
}
// --------------------------------------------------------------------------
/**
* Called from CollectTasksL for each entry in the task list.
* @param aKey entry key
* @param aRunningApp running application entry
* @param aNewList list to add to
*/
void CTsDataList::AddEntryL( const TTsEntryKey& aKey,
const MTsRunningApplication& aRunningApp,
RTsFswArray& aNewList )
{
CTsEntry* entry = CTsEntry::NewLC( aKey, iObserver, &iEnv );
// check if present in old list and if yes then take some of the old data
TBool found = ConsiderOldDataL( aKey );
// if not present previously then find out app name
// and check if screenshot is already available
if( !found )
{
entry->SetAppUid(aRunningApp.UidL());
HBufC* name = FindAppNameLC( aRunningApp );
entry->SetAppNameL(*name);
CleanupStack::PopAndDestroy( name );
//transfer ownership to entry
entry->SetAppIcon( GetAppIconL( aRunningApp.UidL() ) );
}
entry->SetCloseableApp( !aRunningApp.IsSystemL());
// add to new list, ownership is transferred
aNewList.AppendL( entry );
CleanupStack::Pop( entry );
}
// --------------------------------------------------------------------------
/**
* Checks if there is an entry for same app in the content list.
* If yes then it takes some of the data for the entry that
* will correspond to the same app in the refreshed content list.
* @param aKey new key in content list
* @return ETrue if app was found
*/
TBool CTsDataList::ConsiderOldDataL( const TTsEntryKey& aKey )
{
for(TInt entryIdx = 0, oldCount = iData.Count(); entryIdx < oldCount; ++entryIdx)
{
if (iData[entryIdx]->Key() == aKey)
{
return ETrue;
}
}
return EFalse;
}
// --------------------------------------------------------------------------
/**
* Finds out the application name.
* @param aWindowName window group name or NULL
* @param aAppUId application uid
* @param aWgId window group id
* @return application name, ownership transferred to caller
*/
HBufC* CTsDataList::FindAppNameLC( const MTsRunningApplication& aRunningApp )
{
//Retrieve the app name
TApaAppInfo info;
iResources.ApaSession().GetAppInfo( info, aRunningApp.UidL() );
TPtrC caption = info.iShortCaption;
HBufC* tempName( 0 );
if (!caption.Length() ) // if not set - use thread name instead
{
if( aRunningApp.CaptionL().Length() )
{
tempName = aRunningApp.CaptionL().AllocLC();
}
else
{
TThreadId threadId;
if(KErrNone == iResources.WsSession().GetWindowGroupClientThreadId( aRunningApp.WindowGroupId(), threadId ) )
{
RThread thread;
CleanupClosePushL( thread );
if( KErrNone == thread.Open( threadId ) )
{
tempName = thread.Name().AllocL(); // codescanner::forgottoputptroncleanupstack
}
// tempName put on cleanupstack after the if
CleanupStack::PopAndDestroy( &thread );
if(tempName)
{
CleanupStack::PushL(tempName);
}
}
}
}
else
{
tempName = caption.AllocLC();
}
if( 0 == tempName )
{
tempName = KNullDesC16().AllocLC();
}
return tempName;
}
// --------------------------------------------------------------------------
/**
* Fit existing class contained data list into give one.
* Data is being changed with application type consideration that is based
* on aConsiderWidgets param.
* Function removes or add entries into data depend on given list.
* @param aListToFit list with actual data
*/
void CTsDataList::FitDataToListL( RTsFswArray& aListToFit )
{
TBool changed = EFalse;
TInt dataCount = iData.Count();
//remove items that dont't exists in newly collected list
for (TInt i = dataCount - 1; i >= 0; --i)
{
if( !CheckIfExists( *iData[i], aListToFit ) )
{
delete iData[i];
iData.Remove( i );
changed = ETrue;
}
}
RArray<TTsEntryKey> allKeys;
//add new items at start
for(TInt i = aListToFit.Count() - 1; i >= 0; --i)
{
User::LeaveIfError( allKeys.Insert(aListToFit[i]->Key(), 0) );
if( !CheckIfExists( *aListToFit[i], iData ) )
{
HideEntryIfNotAllowed( aListToFit[i] );
User::LeaveIfError( iData.Insert( aListToFit[i], 0 ) );
TTime currentTimestamp;
currentTimestamp.UniversalTime();
iData[0]->SetTimestamp( currentTimestamp );
aListToFit[i] = 0;
changed = ETrue;
}
}
//establish order
TBool orderChanged = EstablishOrder( allKeys );
//update entries data
TBool dataChanged = UpdateEntryData( aListToFit );
RebuildVisibleDataListL();
if( changed || orderChanged || dataChanged )
{
iObserver.DataChanged();
}
allKeys.Close();
}
// --------------------------------------------------------------------------
/**
* Checks if there is an entry for same app in the given list.
* @param aEntry entry
* @param aList ref to list
* @return ETrue if app was found
*/
TBool CTsDataList::CheckIfExists( const CTsEntry& aEntry,
const RTsFswArray& aList ) const
{
return 0 <= FindEntry( aList, aEntry.Key() );
}
// --------------------------------------------------------------------------
/**
* Retrieves the bitmap for the icon of the given app.
* @param aAppUid application uid
* @return app CFbsBitmap
*/
CFbsBitmap* CTsDataList::GetAppIconL( const TUid& aAppUid )
{
CFbsBitmap* iconBitmap(0);
TRAPD(errNo,
QT_TRYCATCH_LEAVING(
const QSize size(KAppIconWidth, KAppIconHeight);
HbIcon icon = CaMenuIconUtility::getApplicationIcon( aAppUid.iUid, size);
iconBitmap = HbIcon2CFbsBitmap( icon );)
User::LeaveIfNull(iconBitmap); )
if( KErrNone != errNo )
{
iconBitmap = new(ELeave) CFbsBitmap;
CleanupStack::PushL(iconBitmap);
User::LeaveIfError( iconBitmap->Duplicate( iDefaultIcon->Handle() ) );
CleanupStack::Pop(iconBitmap);
}
return iconBitmap;
}
// --------------------------------------------------------------------------
/**
* Converts HbIcon to CFbsBitmap
* @param aIcon icon to be coverted
* @return CFbsBitmap
*/
CFbsBitmap* CTsDataList::HbIcon2CFbsBitmap( const HbIcon& aIcon )
{
CFbsBitmap* retValue(0);
QIcon qicon = aIcon.qicon();
QPixmap pixmap = qicon.pixmap(QSize(KAppIconWidth, KAppIconHeight));
if( !pixmap.isNull() )
{
retValue = pixmap.toSymbianCFbsBitmap();
}
return retValue;
}
// --------------------------------------------------------------------------
TBool CTsDataList::IsSupported( TInt aFunction ) const
{
return ( RegisterScreenshotMessage == aFunction ||
UnregisterScreenshotMessage == aFunction ||
VisibilityChange == aFunction ||
WindowGroupToBackgroundMessage == aFunction );
}
// --------------------------------------------------------------------------
void CTsDataList::HandleDataL( TInt aFunction, RReadStream& aDataStream )
{
switch( aFunction )
{
case RegisterScreenshotMessage:
RegisterScreenshotL( aDataStream );
break;
case UnregisterScreenshotMessage:
UnregisterScreenshotL( aDataStream );
break;
case VisibilityChange:
ChangeVisibilityL( aDataStream );
break;
case WindowGroupToBackgroundMessage:
UpdateTaskTimestampL( aDataStream );
break;
}
}
// --------------------------------------------------------------------------
void CTsDataList::RegisterScreenshotL( RReadStream& aDataStream )
{
CTsScreenshotMsg* msg = CTsScreenshotMsg::NewLC( aDataStream );
const TInt pos = FindEntry( iData, GenerateKeyL(msg->WindowGroupId() ) );
User::LeaveIfError(pos);
iData[pos]->SetScreenshotL( msg->Screenshot(), msg->Priority(), msg->Rotation() );
CleanupStack::PopAndDestroy(msg);
}
// --------------------------------------------------------------------------
void CTsDataList::UnregisterScreenshotL(RReadStream& aDataStream)
{
CTsUnregisterScreenshotMsg* msg =
CTsUnregisterScreenshotMsg::NewLC(aDataStream);
const TInt pos = FindEntry( iData, GenerateKeyL(msg->windowGroupId() ) );
User::LeaveIfError(pos);
iData[pos]->RemoveScreenshotL();
CleanupStack::PopAndDestroy(msg);
}
// --------------------------------------------------------------------------
void CTsDataList::ChangeVisibilityL( RReadStream& aDataStream )
{
CTsVisibilitMsg* msg = CTsVisibilitMsg::NewLC(aDataStream);
const TInt pos = FindEntry( iData, GenerateKeyL( msg->windowGroupId() ) );
User::LeaveIfError(pos);
msg->visibility() == iData[pos]->GetVisibility() ?
User::Leave( KErrInUse ) :
iData[pos]->SetVisibility( msg->visibility() );
CleanupStack::PopAndDestroy(msg);
RebuildVisibleDataListL();
iObserver.DataChanged();
}
// --------------------------------------------------------------------------
void CTsDataList::UpdateTaskTimestampL( RReadStream& aDataStream )
{
const TInt wgId = aDataStream.ReadInt32L();
const TInt pos = FindEntry( iData, GenerateKeyL( wgId ) );
User::LeaveIfError( pos );
TTime currentTimestamp;
currentTimestamp.UniversalTime();
iData[pos]->SetTimestamp( currentTimestamp );
iObserver.DataChanged();
}
// --------------------------------------------------------------------------
/**
* Checks if given uid is on hidden list
* @param aUid uid to be checked
* @return ETrue if uid is on hidden list
*/
TBool CTsDataList::IsHiddenUid( TUid aUid )
{
return 0 < iHiddenUids.Find( aUid );
}
// --------------------------------------------------------------------------
/**
* Finds entry in array
* @param aList list to find
* @param aKey finding key
* @return position or KErrNotFound
*/
TInt CTsDataList::FindEntry( const RTsFswArray& aList,
const TTsEntryKey& aKey ) const
{
TInt pos(KErrNotFound);
for(TInt entryIdx = 0;
entryIdx < aList.Count() && KErrNotFound == pos;
++entryIdx)
{
if (aList[entryIdx]->Key() == aKey)
{
pos = entryIdx;
}
}
return pos;
}
// --------------------------------------------------------------------------
/**
* Establish entry order accridung to aKeyList, all keys MUST be in iData
* @param aKeyList reference key list
* @return ETrue if changes occured
*/
TBool CTsDataList::EstablishOrder( const RArray<TTsEntryKey>& aKeyList )
{
TBool changed( EFalse );
TInt lastChangedItem( KErrNotFound );
__ASSERT_ALWAYS( iData.Count() == aKeyList.Count(), User::Panic(_L("EstablishOrder 1"), KErrBadHandle) );
for (TInt i = 0; i < aKeyList.Count(); i++)
{
const TTsEntryKey& currentdataKey = iData[i]->Key();
const TTsEntryKey& referenceKey = aKeyList[i];
if( !(currentdataKey == referenceKey) )
{
TInt foundPos = FindEntry( iData, referenceKey );
__ASSERT_ALWAYS(foundPos>=0, User::Panic(_L("EstablishOrder 2"), KErrBadHandle));
CTsEntry* entry = iData[foundPos];
iData.Remove( foundPos );
iData.Insert( entry, i );
changed = ETrue;
lastChangedItem = i;
}
}
TTime currentTimestamp;
currentTimestamp.UniversalTime();
for (TInt i = lastChangedItem; i >= 0; --i)
{
iData[i]->SetTimestamp(currentTimestamp);
}
return changed;
}
// --------------------------------------------------------------------------
/**
* Updates entry data on mData according to list
* @param aList reference entires list
* @return ETrue if changes occured
*/
TBool CTsDataList::UpdateEntryData( const RTsFswArray& aList )
{
__ASSERT_ALWAYS( iData.Count() == aList.Count(),
User::Panic(_L("UpdateEntryData 1"), KErrBadHandle) );
TBool changed( EFalse );
for( TInt i=0; i<aList.Count(); i++ )
{
if(aList[i])
{
__ASSERT_ALWAYS(iData[i]->Key() == aList[i]->Key(),
User::Panic(_L("UpdateEntryData 2"), KErrBadHandle));
if( iData[i]->CloseableApp() != aList[i]->CloseableApp() )
{
iData[i]->SetCloseableApp(aList[i]->CloseableApp());
changed = ETrue;
}
}
}
return changed;
}
// --------------------------------------------------------------------------
/**
* Function generate task key using window group id
* @param wgId - window group id of running application
* @param entry key
*/
TTsEntryKey CTsDataList::GenerateKeyL( TInt aWgId )
{
RArray<RWsSession::TWindowGroupChainInfo> allWgIds;
CleanupClosePushL( allWgIds );
User::LeaveIfError( iResources.WsSession().WindowGroupList( 0, &allWgIds ) );
TTsEntryKey key;
User::LeaveIfError(TsEntryKeyGeneraror::Generate(key, aWgId, allWgIds.Array()));
CleanupStack::PopAndDestroy( &allWgIds );
return key;
}
// --------------------------------------------------------------------------
/**
* Hides entrie if exist on mHiddenUids
* @param entry
*/
void CTsDataList::HideEntryIfNotAllowed( CTsEntry* aEntry )
{
if( iHiddenUids.Find( aEntry->AppUid() ) >= 0 )
{
aEntry->SetVisibility(Invisible);
}
}
void CTsDataList::RebuildVisibleDataListL()
{
iVisibleData.Reset();
RArray<TInt> visibleItems(iData.Count() ? iData.Count() : 1);
CleanupClosePushL(visibleItems);
for( TInt iter = 0; iter < iData.Count(); ++iter )
{
if( Visible == iData[iter]->GetVisibility() )
{
visibleItems.AppendL(iter);
}
}
for( TInt iter = 0; iter < visibleItems.Count(); ++iter )
{
iVisibleData.AppendL( iData[visibleItems[iter]] );
}
CleanupStack::PopAndDestroy(&visibleItems);
}
// end of file