author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 13 Oct 2010 14:32:09 +0300 | |
branch | RCL_3 |
changeset 75 | 01504893d9cb |
parent 64 | 34937ec34dac |
permissions | -rw-r--r-- |
60 | 1 |
/* |
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* Copyright (c) 2008-2009 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: Media List View Base |
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* |
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*/ |
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#include "glxmedialistviewbase.h" |
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#include <mpxcollectionutility.h> |
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#include <glxcollectionpluginimageviewer.hrh> |
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#include <glxcollectionpluginalbums.hrh> |
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#include <glxcommandhandler.h> |
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#include <glxassert.h> |
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#include <glxgallery.hrh> |
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#include <glxattributecontext.h> |
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#include <glxuistd.h> |
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#include <glxfetchcontextremover.h> |
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#include <glxcommandhandlers.hrh> |
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#include <AknUtils.h> |
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#include <glxtracer.h> // For Logs |
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#include <glxattributeretriever.h> |
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#include "glxtitlefetcher.h" |
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#include "glxmedialistfactory.h" |
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#include "mglxmedialist.h" |
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_LIT(KBlankTitle," "); |
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// ----------------------------------------------------------------------------- |
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// Constructor |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C CGlxMediaListViewBase::CGlxMediaListViewBase() |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// MLViewBaseConstructL |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void CGlxMediaListViewBase::MLViewBaseConstructL( |
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MGlxMediaListFactory* aMediaListFactory, |
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const TDesC& aTitle,TBool aEnableMiddleSoftkey) |
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{ |
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iMediaListFactory = aMediaListFactory; |
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iCollectionUtility = MMPXCollectionUtility::NewL(NULL, KMcModeDefault); |
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iEnableMidddleSoftkey = aEnableMiddleSoftkey; |
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iSelectionIterator.SetRange(KMaxTInt); |
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if (aTitle.Length() > 0) |
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{ |
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iFixedTitle = aTitle.AllocL(); |
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} |
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if (iUiUtility->IsPenSupported()) |
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{ |
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// Responsible for controlling the ui states of toolbar |
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// Create ToolbarController only for touch supported devices. |
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iToolbarControl = CGlxToolbarController::NewL(); |
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} |
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else |
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{ |
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// Responsible for controlling the middle softkey if enabled. |
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// Create Middle Softkey Controller only for non-touch devices |
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iCbaControl = CGlxMSKController::NewL(); |
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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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// |
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EXPORT_C CGlxMediaListViewBase::~CGlxMediaListViewBase() |
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{ |
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CloseMediaList(); |
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if ( iCollectionUtility ) |
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{ |
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iCollectionUtility->Close(); |
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} |
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delete iFixedTitle; |
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delete iTitleFetcher; |
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if (iPreloadContextForCommandHandlers) |
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{ |
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delete iPreloadContextForCommandHandlers; |
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} |
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if( iCbaControl ) |
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{ |
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delete iCbaControl; |
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} |
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if( iToolbarControl ) |
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{ |
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delete iToolbarControl; |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// MediaList |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C MGlxMediaList& CGlxMediaListViewBase::MediaList() |
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{ |
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GLX_ASSERT_ALWAYS( iMediaList, Panic( EGlxPanicNullMediaList ), |
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"Media list has been closed" ); |
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return *iMediaList; |
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} |
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// ----------------------------------------------------------------------------- |
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// DoViewActivateL |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void CGlxMediaListViewBase::DoViewActivateL( |
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const TVwsViewId& aPrevViewId, TUid aCustomMessageId, |
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const TDesC8& aCustomMessage) |
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{ |
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TRACER ("CGlxMediaListViewBase::DoViewActivateL()"); |
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iUiUtility->SetAppOrientationL( EGlxOrientationDefault ); |
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// current navigational state |
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CMPXCollectionPath* navigationalState = |
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iCollectionUtility->Collection().PathL(); |
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CleanupStack::PushL( navigationalState ); |
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if ( iMediaList ) |
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{ |
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// may need to refresh the media list if it has got out of sync |
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// with the current navigational state, e.g. when jumping back two views |
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// instead of just one, the intermediate view's media list will not have |
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// been closed so if that view is subsequently re-opened its media list |
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// could contain out of date items |
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CMPXCollectionPath* path = iMediaList->PathLC(); |
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// current navigational state |
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// current node id in UI Hierarchy |
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TMPXItemId navStateNodeId = |
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navigationalState->Id( navigationalState->Levels() - 2 ); |
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// current media list's node id in UI hierarchy |
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TMPXItemId mediaListNodeId = path->Id( path->Levels() - 2 ); |
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if ( mediaListNodeId != navStateNodeId ) |
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{ |
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// the node ids are out of synch so close the media list |
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// for it to be recreated later on |
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CloseMediaList(); |
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} |
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CleanupStack::PopAndDestroy( path ); |
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} |
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if (!iMediaList && iMediaListFactory) |
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{ |
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iMediaList |
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= &iMediaListFactory->CreateMediaListL(*iCollectionUtility); |
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if ((navigationalState->Id() != TMPXItemId( |
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KGlxCollectionPluginAlbumsImplementationUid))) |
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{ |
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75
01504893d9cb
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
64
diff
changeset
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iPreloadContextForCommandHandlers |
01504893d9cb
Revision: 201039
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
64
diff
changeset
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= new (ELeave) CGlxAttributeContext(&iSelectionIterator); |
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TInt commandHandlerCount = iCommandHandlerList.Count(); |
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for (TInt i = 0; i < commandHandlerCount; i++) |
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{ |
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DoPrepareCommandHandlerL(iCommandHandlerList[i]); |
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} |
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iMediaList->AddContextL(iPreloadContextForCommandHandlers, 0); |
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} |
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} |
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__ASSERT_ALWAYS(iMediaList, Panic(EGlxPanicNullMediaList)); |
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if (navigationalState->Id() == TMPXItemId(KGlxCollectionPluginImageViewerImplementationUid)) |
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{ |
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// As image viewer is direct fullscreen view, |
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// it will not have title. |
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SetTitleL(KBlankTitle); |
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} |
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else if(iFixedTitle) |
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{ |
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// If there is a fixed title, set it |
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SetTitleL(*iFixedTitle); |
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} |
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else |
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{ |
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// else obtain a title from the media list |
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// First set a blank title to claim the title space |
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SetTitleL(KBlankTitle); |
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CMPXCollectionPath* path = iMediaList->PathLC( NGlxListDefs::EPathParent ); |
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iTitleFetcher = CGlxTitleFetcher::NewL(*this, path); |
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CleanupStack::PopAndDestroy(path); |
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} |
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//Allow the MskController to observe medialist everytime a view with a valid |
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//medialist becomes active |
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if( iCbaControl && Cba()&& iEnableMidddleSoftkey ) |
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{ |
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iCbaControl->AddToObserverL(*iMediaList,Cba()); |
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if(!(1 == navigationalState->Levels())) // Checking for the main list view |
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{ |
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iCbaControl->SetStatusOnViewActivationL(iMediaList); |
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} |
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else |
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{ |
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iCbaControl->SetMainStatusL(); |
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} |
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} |
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CleanupStack::PopAndDestroy( navigationalState ); |
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DoMLViewActivateL(aPrevViewId, aCustomMessageId, aCustomMessage); |
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//Allow the toolbarController to observe medialist everytime a view with a valid |
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//medialist becomes active |
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if( GetToolBar() && iToolbarControl ) |
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{ |
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iToolbarControl->AddToObserverL(*iMediaList, GetToolBar()); |
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iToolbarControl->SetStatusOnViewActivationL(iMediaList); |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// DoViewDeactivate |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void CGlxMediaListViewBase::DoViewDeactivate() |
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{ |
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TRACER ("CGlxMediaListViewBase::DoViewDeactivate()"); |
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//Need to be done before the view deactivation |
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//as the grid toolbar will be deleted in grid deactivation. |
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if (GetToolBar() && iToolbarControl && iMediaList) |
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{ |
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//Remove Toolbarcontroller from medialist observer |
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iToolbarControl->RemoveFromObserver(*iMediaList); |
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} |
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DoMLViewDeactivate(); |
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if( iMediaList ) |
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{ |
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if (iCbaControl && Cba()) |
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{ |
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//Remove Mskcontroller from medialist observer |
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iCbaControl->RemoveFromObserver(*iMediaList); |
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} |
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// Only close the medialist if navigating backwards |
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if (iUiUtility->ViewNavigationDirection() == EGlxNavigationBackwards) |
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{ |
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CloseMediaList(); |
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} |
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} |
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delete iTitleFetcher; |
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iTitleFetcher = NULL; |
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} |
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// ----------------------------------------------------------------------------- |
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// CGlxMediaListViewBase::FetchAttributesL |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void CGlxMediaListViewBase::FetchAttributesL() |
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{ |
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FetchAttributesL(EFalse); |
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} |
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// ----------------------------------------------------------------------------- |
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// CGlxMediaListViewBase::FetchAttributesForCommandL |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void CGlxMediaListViewBase::FetchAttributesForCommandL(TInt aCommand) |
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{ |
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FetchAttributesL(ETrue, aCommand); |
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} |
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// ----------------------------------------------------------------------------- |
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// SetToolbarStateL |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void CGlxMediaListViewBase::SetToolbarStateL() |
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{ |
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TRACER("CGlxMediaListViewBase::SetToolbarStateL"); |
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if( iToolbarControl && iMediaList ) |
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{ |
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iToolbarControl->SetStatusL(iMediaList); |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// CGlxMediaListViewBase::FetchAttributesL |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxMediaListViewBase::FetchAttributesL(TBool aFilterUsingCommandId, |
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TInt aCommandId) |
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{ |
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TRACER("CGlxMediaListViewBase::FetchAttributesL"); |
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TGlxSelectionIterator iterator; |
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CGlxAttributeContext* attributeContext = new(ELeave) CGlxAttributeContext(&iterator); |
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CleanupStack::PushL(attributeContext); |
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TInt commandHandlerCount = iCommandHandlerList.Count(); |
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for (TInt i = 0; i < commandHandlerCount; i++) |
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{ |
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AddAttributesToContextL(*attributeContext, iCommandHandlerList[i], ETrue, aFilterUsingCommandId, aCommandId); |
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} |
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if( EAknSoftkeyBack == aCommandId || attributeContext->AttributeCount()) |
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{ |
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// Check if media attributes are already fetched. |
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// If media item is NULL, Cancel the previous pending request |
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MediaList().CancelPreviousRequests(); |
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} |
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if (attributeContext->AttributeCount()) |
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{ |
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MediaList().AddContextL(attributeContext, KGlxFetchContextPriorityCommandHandlerOpening ); |
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// TGlxContextRemover will remove the context when it goes out of scope |
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// Used here to avoid a trap and still have safe cleanup |
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TGlxFetchContextRemover contextRemover(attributeContext, MediaList()); |
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// put to cleanupstack as cleanupstack is emptied before stack objects |
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// are deleted |
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CleanupClosePushL( contextRemover ); |
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// retrieve attributes, ignore return value |
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(void)GlxAttributeRetriever::RetrieveL(*attributeContext, MediaList(), ETrue); |
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// context off the list |
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CleanupStack::PopAndDestroy( &contextRemover ); |
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} |
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CleanupStack::PopAndDestroy(attributeContext); |
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} |
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// ----------------------------------------------------------------------------- |
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// HandleTitleAvailableL |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void CGlxMediaListViewBase::HandleTitleAvailableL( |
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const TDesC& aTitle) |
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{ |
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// Convertion of unsigned short to unsigned int |
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TUint16* tileConv = const_cast<TUint16*>(aTitle.Ptr()); |
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TInt titleLen = aTitle.Length(); |
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TPtr titlePtr(tileConv,titleLen,titleLen); |
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//to convert between arabic-indic digits and european digits. |
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//based on existing language setting. |
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AknTextUtils::LanguageSpecificNumberConversion(titlePtr); |
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// Set a title after it has been obtained by the title fetcher |
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SetTitleL(aTitle); |
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} |
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// ----------------------------------------------------------------------------- |
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// CGlxMediaListViewBase::DoPrepareCommandHandlerL |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void CGlxMediaListViewBase::DoPrepareCommandHandlerL( |
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CGlxCommandHandler* aCommandHandler) |
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{ |
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if (iPreloadContextForCommandHandlers) |
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{ |
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AddAttributesToContextL(*iPreloadContextForCommandHandlers, |
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aCommandHandler, EFalse, EFalse); |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// CGlxMediaListViewBase::CloseMediaList |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxMediaListViewBase::CloseMediaList() |
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{ |
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if (iMediaList) |
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{ |
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if (iPreloadContextForCommandHandlers) |
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{ |
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iMediaList->RemoveContext(iPreloadContextForCommandHandlers); |
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} |
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iMediaList->Close(); |
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iMediaList = NULL; |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// CGlxMediaListViewBase::AddAttributesToContextL |
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// ----------------------------------------------------------------------------- |
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// |
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void CGlxMediaListViewBase::AddAttributesToContextL( |
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CGlxAttributeContext& aAttributeContext, |
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CGlxCommandHandler* aCommandHandler, |
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TBool aFilterUsingSelection, |
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TBool aFilterUsingCommandId, |
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TInt aCommandId) |
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{ |
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RArray<TMPXAttribute> requiredAttributes; |
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CleanupClosePushL(requiredAttributes); |
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aCommandHandler-> |
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GetRequiredAttributesL(requiredAttributes, aFilterUsingSelection, aFilterUsingCommandId, aCommandId); |
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TInt attributeCount = requiredAttributes.Count(); |
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for (TInt i = 0; i < attributeCount; i++) |
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{ |
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aAttributeContext.AddAttributeL(requiredAttributes[i]); |
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} |
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CleanupStack::PopAndDestroy(&requiredAttributes); |
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} |
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// ----------------------------------------------------------------------------- |
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// HandleViewCommandL |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C TBool CGlxMediaListViewBase::HandleViewCommandL(TInt /*aCommand*/) |
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{ |
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return EFalse; |
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} |
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// ----------------------------------------------------------------------------- |
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// DoHandleCommandL |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C TInt CGlxMediaListViewBase::DoHandleCommandL(TInt aCommand) |
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{ |
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// Pass the command to the deriving class |
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return HandleViewCommandL( aCommand ); |
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} |
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