author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 14 Sep 2010 21:20:26 +0300 | |
branch | RCL_3 |
changeset 27 | fc25e03508fd |
parent 26 | e8d784ac1a4b |
child 31 | 8f536f98e1f8 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006 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: Implements the Slideshow plugin beef, especially |
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* MScreensaverPlugin interface |
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* |
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*/ |
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#ifndef C_SLIDESHOWPLUGIN_H |
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#define C_SLIDESHOWPLUGIN_H |
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#include <gdi.h> |
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#include <coecntrl.h> |
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#include <e32cmn.h> |
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#include <coecobs.h> |
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#include <AknsSrvClient.h> |
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#include <ScreensaverpluginIntDef.h> |
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#include <screensaverplugin.h> |
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#include <ScreensaverInternalPSKeys.h> |
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#include <MCLFOperationObserver.h> |
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#include <MCLFContentListingEngine.h> |
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#include <MCLFItemListModel.h> |
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#include <mdesession.h> |
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#include <mdequery.h> |
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#include "SlideshowModel.h" |
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#include "SlideshowSlide.h" |
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#include "SlideshowPluginUtils.h" |
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class CEikonEnv; |
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class CDRMHelper; |
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class CRepositoryWatcher; |
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class CRepository; |
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/** |
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* Encapsulates the Settings that are written into the central repository |
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* @lib ScreenSaverAnimPlugin.lib |
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* @since 3.1 |
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*/ |
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class CSlideshowSettings : public CBase |
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{ |
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public: |
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CSlideshowSettings(); |
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public: |
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// Slideshow time |
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TInt iSlideshowTime; |
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// Lights time |
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TInt iLightsTime; |
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// Time a slide is displayed |
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TInt iSlideTime; |
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// Slideshow type |
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TInt iSlideshowType; |
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}; |
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/** |
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* Provides the Animated ScreenSaverPlugin functionality which implements |
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* ScreenSaver Interface and gives a Netscape Browser Plugin Interface |
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* to the format specific plugins like SVG, Flash, M3G etc. |
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* @lib ScreenSaverAnimPlugin.lib |
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* @since 3.1 |
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*/ |
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class CSlideshowPlugin: public CScreensaverPluginInterfaceDefinition, |
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public MMdESessionObserver, |
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public MMdEQueryObserver |
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{ |
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enum TPluginState |
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{ |
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EPluginStateLoading = 0, |
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EPluginStateInitializing, |
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EPluginStateRunning, |
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EPluginStateStopping |
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}; |
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public: |
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/** |
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* Creator |
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* @since 3.1 |
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*/ |
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static CSlideshowPlugin* NewL(); |
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/** |
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* Destructor |
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*/ |
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virtual ~CSlideshowPlugin(); |
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private: |
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/** |
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* 2nd phase constructor |
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* @since 3.1 |
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*/ |
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void ConstructL(); |
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/** |
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* Default Constructor |
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* @since 3.1 |
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*/ |
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CSlideshowPlugin(); |
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public: // Functions From CScreensaverPluginInterfaceDefinition |
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/** |
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* From MScreensaverPlugin, Method called by Screensaver |
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* when plugin is being loaded into use |
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* @param aHost Plugin host (Screensaver). |
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* @since 3.1 |
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*/ |
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virtual TInt InitializeL(MScreensaverPluginHost *aHost); |
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/** |
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* From MScreensaverPlugin, Method called by Screensaver |
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* when plugin is allowed to draw |
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* @since 3.1 |
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*/ |
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virtual TInt Draw( CWindowGc& aGc ); |
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/** |
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* From MScreensaverPlugin, Method called by Themes application |
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* to get localised name |
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* @since 3.1 |
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*/ |
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virtual const TDesC16& Name() const; |
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/** |
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* From MScreensaverPlugin, Method called by Screensaver |
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* to get the capabilities of screensaver plugin |
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* @since 3.1 |
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*/ |
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virtual TInt Capabilities(); |
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/** |
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* From MScreensaverPlugin, Method called by Themes application |
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* to configure the plugin or to pass e.g. selection notifications |
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* to plugin |
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* @since 3.1 |
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*/ |
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virtual TInt PluginFunction( |
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TScPluginCaps /* aFunction */, |
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TAny* /* aParam */ ); |
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/** |
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* From MScreensaverPlugin, Method called by Screensaver |
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* when there are screensaver events, such as starting and stopping |
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* @since 3.1 |
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*/ |
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virtual TInt HandleScreensaverEventL( |
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TScreensaverEvent aEvent, |
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TAny* aData ); |
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public: // from MMdESessionObserver |
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/** |
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* Called to notify the observer that opening the session has been |
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* completed and, if the opening succeeded, the session is ready for use. |
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* |
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* @param aSession session |
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* @param aError <code>KErrNone</code>, if opening the session succeeded; |
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* or one of the system-wide error codes, if opening the |
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* session failed |
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*/ |
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void HandleSessionOpened(CMdESession& aSession, TInt aError); |
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/** |
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* Called to notify the observer about errors, which are not a direct |
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* consequence of the operations initiated by the client but caused by |
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* some external source (e.g., other clients). The error cannot be |
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* recovered and all on-going operations initiated by the client have been |
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* aborted. Any attempts to continue using the session will cause a panic. |
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* The client should close the session immediately and try to open a new |
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* session, if it needs to continue using the metadata engine. |
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* |
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* @param aSession session |
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* @param aError one of the system-wide error codes |
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*/ |
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void HandleSessionError(CMdESession& aSession, TInt aError); |
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public: // from MMdEQueryObserver |
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/** |
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* Called to notify the observer that new results have been received |
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* in the query. |
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* |
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* @param aQuery Query instance that received new results. |
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* @param aFirstNewItemIndex Index of the first new item that was added |
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* to the result item array. |
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* @param aNewItemCount Number of items added to the result item |
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* array. |
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*/ |
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void HandleQueryNewResults(CMdEQuery& aQuery, |
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TInt aFirstNewItemIndex, |
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TInt aNewItemCount); |
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/** |
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* Called to notify the observer that the query has been completed, |
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* or that an error has occured. |
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* |
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* @param aQuery Query instance. |
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* @param aError <code>KErrNone</code>, if the query was completed |
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* successfully. Otherwise one of the system-wide error |
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* codes. |
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*/ |
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void HandleQueryCompleted(CMdEQuery& aQuery, TInt aError); |
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public: // New Functions |
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/** |
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* Reads the settings from the central repository |
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* @since 3.1 |
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* @return System wide Error value |
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*/ |
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TInt ReadSettings(); |
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#if 0 |
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/** |
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* This method checks whether the set file exists currently |
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* if not, it updates the filename string |
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* This also checks if the rights are valid if the content is drm |
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* if not, it updates the filename with the empty file name |
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* returns True, if the Filename is updated |
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* False, otherwise |
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* @since 3.2 |
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*/ |
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TBool UpdateFileName(); |
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#endif |
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/** |
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* Called when there is a central repository settings change |
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* @since 3.2 |
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*/ |
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void HandleCRSettingsChange(TAny* aPtr); |
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/** |
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* Called by the repository watcher when there is a central |
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* repository settings change |
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* @since 3.2 |
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*/ |
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static TInt HandleRepositoryCallBack(TAny* aPtr); |
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/** |
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* Called by the P & S subscriber when the subscribed key value changes |
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* @since 3.2 |
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*/ |
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static TInt HandleSettingsChanged(TAny* aPtr); |
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private: // New functions |
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/** |
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* Connects the central repository session |
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* @since 3.1 |
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*/ |
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void InitializeCenRepL(); |
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/** |
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* Registers for central repository key changes |
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* @since 3.1 |
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*/ |
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void NotifyCenrepChangeL(); |
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/** |
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* Cancels registration for central repository key changes |
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* @since 3.1 |
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*/ |
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void NotifyCenrepChangeCancel(); |
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/** |
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* Disconnects the central repository session |
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* @since 3.1 |
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*/ |
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void UnInitializeCenRep(); |
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void StartPlugin(); |
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void StopPlugin(); |
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void DrawCentered(CWindowGc& aGc, CSlideshowSlide* aSlide); |
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void LoadSlidesL(); |
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void LoadSlideSetL(); |
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void LoadRandomSlidesL(); |
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void SetDisplayMode(); |
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void Lights(TInt aSecs); |
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void ConfigureL(TAny* aParam); |
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void UpdateDisplayInfo(); |
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void FlushDrawBuffer(); |
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TInt SettingsChanged(); |
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void ConnectToMDSSessionL(); |
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void WaitForMDS(); |
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void EndWaitForMDS(); |
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void LoadImagesToModel(const CMdEQuery& aQuery, |
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TInt aFirstNewItemIndex = 0, |
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TInt aNewItemCount = 0); |
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void AppendSlideToModelL(TDesC& aFileName, TBool aIsOnMC); |
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void OpenQueryL(); |
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private: |
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// Pointer to the screensaver host |
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MScreensaverPluginHost* iHost; |
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// Display info |
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TScreensaverDisplayInfo iDi; |
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// Resource file offset |
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TInt iResourceOffset; |
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// Handle to the central repository session |
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CRepository* iSlideshowRepository; |
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// Environment pointer |
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CEikonEnv* iEikEnv; |
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// Pointer to settings |
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CSlideshowSettings* iSettings; |
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// Slideshow model |
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CSlideshowModel* iModel; |
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// Pointer to Drm Helper |
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CDRMHelper* iDrmHelper; |
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// Cenrep watcher for settings change |
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CRepositoryWatcher* iSlideshowCRWatcher; |
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RProperty iSettingsChangedProperty; |
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CPSSubscriber* iSettingsChangedSubscriber; |
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// Localised name |
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HBufC* iScreensaverName; |
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// Waiter |
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CActiveSchedulerWait iWaiter; |
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TBool iWaitActive; |
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// Draw count |
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TInt iDrawCount; |
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TBool iTimerUpdated; |
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//loading state |
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TBool iIsLoadFinished; |
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// MDS session |
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CMdESession* iMdESession; |
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fc25e03508fd
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
26
diff
changeset
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fc25e03508fd
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
26
diff
changeset
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// MDS query owned |
fc25e03508fd
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
26
diff
changeset
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CMdEObjectQuery* iQuery; |
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}; |
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#endif // C_SLIDESHOWPLUGIN_H |
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// End Of file |