author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 11 May 2010 16:02:39 +0300 | |
branch | RCL_3 |
changeset 47 | 7be2816dbabd |
parent 38 | 79311d856354 |
child 50 | 137ebc85284b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008 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: Non-closeable app list class |
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* |
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*/ |
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#ifndef TSFSWDATALIST_H |
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#define TSFSWDATALIST_H |
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#include <e32base.h> |
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#include <e32hashtab.h> |
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#include <fbs.h> |
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#include <apgcli.h> |
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#include <w32std.h> |
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#include "tsfswentry.h" |
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#include "tsfswobservers.h" |
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class CTsFswEngine; |
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class CTsFsAlwaysShownAppList; |
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class CTsFsHiddenAppList; |
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class CTsFsWidgetList; |
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class CTsFswIconCache; |
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class CApaWindowGroupName; |
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/** |
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* Engine's data list. |
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*/ |
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NONSHARABLE_CLASS( CTsFswDataList ) : public CBase |
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{ |
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public: |
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/** |
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* Two-phased constructor. |
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* |
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* @param aParent |
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*/ |
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static CTsFswDataList* NewL( CTsFswEngine& aEngine ); |
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/* |
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* Destructor |
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*/ |
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~CTsFswDataList(); |
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private: |
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/** |
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* Constructor. |
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*/ |
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CTsFswDataList( CTsFswEngine& aEngine ); |
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/** |
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* Performs 2nd phase construction. |
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*/ |
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void ConstructL(); |
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public: |
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/** |
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* Returns a reference to the current content. |
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* Also performs sanity checks, e.g. associates application icons |
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* when no screenshot has been received. |
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* @return ref to content array |
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*/ |
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const RTsFswArray& FswDataL(); |
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/** |
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* Gets the window group list and reconstructs the fsw content. |
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* @return TBool ETrue if the content iData has been modified |
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*/ |
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TBool CollectTasksL(); |
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/** |
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* Return contained iAlwaysShownAppList member. |
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*/ |
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CTsFsAlwaysShownAppList* AlwaysShownApps(); |
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/** |
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* Return contained iHiddenAppList member. |
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*/ |
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CTsFsHiddenAppList* HiddenApps(); |
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/** |
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* Return containd iWidgetList member |
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*/ |
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CTsFsWidgetList* Widgets(); |
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/** |
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* Set flag iTaskListDirty; |
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*/ |
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void SetDirty(); |
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/** |
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* Set flag iAppDataRefreshNeeded |
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*/ |
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void SetAppDataRefreshNeeded(); |
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/** |
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* Store or updarte screenshot bitmap for specified window group. |
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*/ |
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TBool StoreScreenshot( TInt aWgId, CFbsBitmap* aBmp ); |
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/** |
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* remove screenshot bitmap. |
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*/ |
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TBool RemoveScreenshot( TInt aWgId ); |
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/** |
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* Obtain screenshot if exists |
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*/ |
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CFbsBitmap** FindScreenshot( TInt aWgId ); |
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/** |
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* Moves entry on given window app/widget id to |
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* the first position on conten data list |
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*/ |
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void MoveEntryAtStart( TInt aAppId, TBool aWidget ); |
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/** |
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* If application uid exists in the contained CTsFsAlwaysShownAppList |
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* @return ETrue application uid exists in the list |
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* EFalse application uid doesn't exist in the list |
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* @param TInt aWgId the window group application |
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*/ |
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TBool IsAlwaysShownAppL( TInt aWgId ); |
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/** |
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* Finds out the app uid for the given window group id. |
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* @param aWgId a valid window group id |
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* @param aUid requested uid |
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* @return error code |
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*/ |
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TInt AppUidForWgId( TInt aWgId, TUid& aUid ); |
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/** |
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* Finds out the app uid for the given window group id. |
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* @param aWgId a valid window group id |
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* @return application uid |
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*/ |
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TUid AppUidForWgIdL( TInt aWgId ); |
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/** |
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* Returns the most top parent's wg id or KErrNotFound. |
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* @param aWgId a valid window group id |
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* @return parent wg id or KErrNotFound if there is no parent |
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*/ |
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TInt FindMostTopParentWgId( TInt aWgId ); |
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private: |
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/** |
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* Adds running apps to the list. |
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* @param aAppsList array to add to |
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*/ |
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void CollectAppsL( RTsFswArray& aAppsList ); |
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/** |
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* Called from CollectTasksL for each entry in the task list. |
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* @param aWgId window group id |
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* @param aAppUid application uid |
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* @param aWgName window group name or NULL |
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* @param aNewList list to add to |
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* @param aIsWidget true if the entry corresponds to a web widget |
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* @return TBool ETrue if it was really a new entry in the list |
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*/ |
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TBool AddEntryL( TInt aWgId, |
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const TUid& aAppUid, |
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CApaWindowGroupName* aWgName, |
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RTsFswArray& aNewList, |
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TBool aIsWidget ); |
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|
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/** |
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* Checks if there is an entry for same app in the content list. |
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* If yes then it takes some of the data for the entry that |
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* will correspond to the same app in the refreshed content list. |
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* In case of widget, update window group field in content list. |
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* @param aEntry new entry in content list |
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* @param aAppUid application uid |
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* @param aChanged ref to change-flag, set to ETrue if it is sure |
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* that the new content list will be different from the previous one |
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* @param aNewList ref to new content list |
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* @return ETrue if app was found |
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*/ |
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TBool ConsiderOldDataL( CTsFswEntry& aEntry, |
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const TUid& aAppUid, |
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TBool& aChanged, |
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RTsFswArray& aNewList ); |
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/** |
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* Adds running widgets to the list. |
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* @param aWidgetsList array to add to |
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*/ |
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void CollectWidgetsL( RTsFswArray& aWidgetsList ); |
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|
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/** |
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* Returns the parent's wg id or KErrNotFound. |
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* @param aWgId a valid window group id |
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* @return parent wg id or KErrNotFound if there is no parent |
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*/ |
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TInt FindParentWgId( TInt aWgId ); |
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|
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/** |
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* Finds out the application name. |
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* @param aWindowName window group name or NULL |
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* @param aAppUId application uid |
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* @param aWgId window group id |
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* @return application name, ownership transferred to caller |
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*/ |
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HBufC* FindAppNameLC( CApaWindowGroupName* aWindowName, |
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const TUid& aAppUid, |
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TInt aWgId ); |
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|
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/** |
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* Checks if the app to which the screenshot belongs is in the task list |
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* and updates the entry when found. Also triggers change notification |
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* to observer when data is modified. |
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* @param aWgIdForScreenshot wgid for the screenshot |
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* @param aBitmapHandle handle for screenshot bitmap |
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* @return TBool ETrue if the list has been modified |
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*/ |
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TBool AssignScreenshotHandle( TInt aWgIdForScreenshot, TInt aBitmapHandle ); |
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|
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/** |
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* Checks if the app to which the screenshot belongs is in the task list |
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* and updates the entry when found. |
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* @param aWgIdForScreenshot wgid for the screenshot, |
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* in case of widget it stands for widget id |
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* @param aBitmapHandle handle for screenshot bitmap |
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* @param aAsigned result of operation |
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*/ |
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void AssignScreenshotHandle( TInt aWgIdForScreenshot, |
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TInt aBitmapHandle, |
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TBool& aAsigned ); |
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|
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/** |
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* Returns the bitmap handle for the screenshot belonging to the given app |
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* or 0 if not (yet) found. |
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* @param aWgIdForApp a window group id (from the window group list) |
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* @return bitmap handle or 0 |
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*/ |
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TInt LookupScreenshotHandle( TInt aWgIdForApp ); |
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|
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/** |
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* Fit existing class contained data list into give one. |
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* Data is being changed with application type consideration that is based |
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* on aConsiderWidgets param. |
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* Function removes or add entries into data depend on given list. |
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* @param aListToFit list with actual data |
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* @param aConsiderWidgets application type |
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* @return ETrue if change occours on data list, EFalse otherwise |
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*/ |
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TBool FitDataToListL( RTsFswArray& aListToFit, TBool aConsiderWidgets ); |
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|
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/** |
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* Checks if there is an entry for same app in the given list. |
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* @param aEntry entry |
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* @param aNewList ref to list |
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* @return ETrue if app was found |
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*/ |
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TBool CheckIfExists( const CTsFswEntry& aEntry, |
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const RTsFswArray& aNewList ) const; |
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|
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private: |
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CTsFswEngine& iEngine; |
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|
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RTsFswArray iData; // current fsw content, i.e. the task list |
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|
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// always shown app list, own |
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CTsFsAlwaysShownAppList* iAlwaysShownAppList; |
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|
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// hidden app list, own |
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CTsFsHiddenAppList* iHiddenAppList; |
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|
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// web widget list, own |
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CTsFsWidgetList* iWidgetList; |
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|
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// window server session |
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RWsSession iWsSession; |
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|
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// apparc session |
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RApaLsSession iAppArcSession; |
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|
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/** |
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* Hash table storing the screenshots. |
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* Key: window group id for the screenshot |
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* (the one received in ApplicationChange) |
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* Value: CFbsBitmap*, pointers owned |
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*/ |
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RHashMap<TInt, CFbsBitmap*> iScreenshots; |
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|
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// app icon provider/container instance, own |
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CTsFswIconCache* iAppIcons; |
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|
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// true if web widgets are supported by the system |
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TBool iWidgetsSupported; |
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// when true CollectTasksL will call GetAllApps etc. |
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// which is slow and need not be done normally, except |
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// during startup and perhaps when new applications are installed |
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TBool iAppDataRefreshNeeded; |
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// Dirty flag, indicates that iData is not up-to-date because |
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// there were no subscribed clients during a previous possible |
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// change of the task list. |
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TBool iTaskListDirty; |
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}; |
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|
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#endif //TSFSWDATALIST_H |