author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 07 Jan 2010 12:46:23 +0200 | |
changeset 1 | 9ba538e329bd |
parent 0 | 4e91876724a2 |
child 12 | ce1c7ad1f18b |
permissions | -rw-r--r-- |
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/* |
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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: ALF TK utilities |
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* |
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*/ |
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#ifndef C_GLXUIUTILITY_H |
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#define C_GLXUIUTILITY_H |
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// external incudes |
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#include <e32base.h> |
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#include <gdi.h> |
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#include <alf/alfenv.h> //for action observers |
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// Internal includes |
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#include <mglxtvobserver.h> // for inteface MGlxTvObserver |
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// constants |
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const TUint KGlxDefaultVisibleItemsGranularity = 15; |
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const TUint KGlxQHDVisibleItemsGranularity = 20; |
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const TUint KGlxVGAVisibleItemsGranularity = 21; |
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class MGlxSkinChangeObserver; |
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class CGlxSkinChangeMonitor; |
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class CCoeAppUi; |
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class CGlxSettingsModel; |
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class CGlxTextureManager; |
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class CAlfEnv; |
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class CAlfDisplay; |
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class CAlfTexture; |
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class CAlfControl; |
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class CGlxTv; |
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class CGlxResolutionManager; |
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class CGlxScreenFurniture; |
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//class CHgContextUtility; |
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/** |
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* Enumeration for different types of navigations that occur from one view to the next |
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*/ |
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enum TGlxNavigationDirection |
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{ |
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EGlxNavigationForwards, |
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EGlxNavigationBackwards, |
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EGlxNavigationNext, |
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EGlxNavigationPrevious |
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}; |
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/** |
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* Enumeration for screen orientation of the application. |
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*/ |
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enum TGlxOrientation |
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{ |
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EGlxOrientationUninitialised, /**< For internal use only */ |
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EGlxOrientationDefault, /**< Default orientation for the device */ |
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EGlxOrientationTextEntry, /**< Text entry orientation for the device */ |
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EGlxOrientationLandscape /**< Landscape orientation */ |
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}; |
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|
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/** |
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* CGlxUiUtility |
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* |
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* Alf utils |
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* |
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* @lib glxalfutils.lib |
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* |
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* @internal reviewed 12/06/2007 by Dave Schofield |
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*/ |
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class CGlxUiUtility : public CBase, |
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public MGlxTvObserver , // for TV Out |
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public MAlfActionObserver //FOR layout change notifications |
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{ |
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public: |
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/** |
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* Get the single instance of the utility and increment the reference count. |
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* The caller must call Close() when the utility is no longer needed. |
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* @return Pointer to the single instance of the UiUtility. |
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*/ |
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IMPORT_C static CGlxUiUtility* UtilityL(); |
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/** |
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* Decrement the reference count of the utility and delete it if the count |
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* becomes zero. |
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*/ |
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IMPORT_C void Close(); |
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/** |
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* Get a pointer to the Alf environment. |
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* @return The ALF environment owned by the AlfUtility. |
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*/ |
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IMPORT_C CAlfEnv* Env() const; |
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/** |
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* Get a pointer to the Alf display. |
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* @return The ALF display owned by ALF. |
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*/ |
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IMPORT_C CAlfDisplay* Display() const; |
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/** |
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* Shows the Alf display in full screen. |
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*/ |
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IMPORT_C static void ShowAlfDisplayL(); |
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/** |
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* Hides the Alf display so that Avkon screen can take over the whole screen |
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* and Avkon dialog can show the status pane. |
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*/ |
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IMPORT_C static void HideAlfDisplayL(); |
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/** |
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* Return the GlxTextureManager owned by the UiUtility. |
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* This pointer is only guaranteed to be valid until the UiUtility is Close()d. |
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* @return The GlxTextureManager owned by the UiUtility |
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*/ |
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IMPORT_C CGlxTextureManager& GlxTextureManager(); |
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/** |
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* @return The current direction of the switch between views |
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*/ |
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IMPORT_C TGlxNavigationDirection ViewNavigationDirection(); |
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/** |
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* Set the current direction of the switch between views |
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* @param aDirection The direction of the navigation |
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*/ |
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IMPORT_C void SetViewNavigationDirection(TGlxNavigationDirection aDirection); |
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/** |
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* Helper function to return display size |
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* @return Display size |
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*/ |
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IMPORT_C TSize DisplaySize() const; |
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/** |
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* Get an id of a text style corresponding to the font and size |
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* @param aFontId The Avkon logical font Id |
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* @param aSizeInPixels The size of the text |
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* @return The Id of the Text style in the UiTextStyleManager |
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*/ |
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IMPORT_C TInt TextStyleIdL(TInt aFontId, TInt aSizeInPixels); |
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/** |
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* Set the screen orientation of the application. |
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* @param aOrientation The new orientation. |
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*/ |
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IMPORT_C void SetAppOrientationL(TGlxOrientation aOrientation); |
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/** |
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* @return The current screen orientation of the application. |
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*/ |
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IMPORT_C TGlxOrientation AppOrientation() const; |
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/** |
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* ScreenFurniture |
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* @return pointer to CGlxScreenFurniture |
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*/ |
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IMPORT_C CGlxScreenFurniture* ScreenFurniture(); |
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/** |
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* CHgContextUtility |
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* @return pointer to CHgContextUtility |
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*/ |
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//IMPORT_C CHgContextUtility* ContextUtility(); |
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/** |
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* This method can be used to check whether pen support is enabled. |
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* @return ETrue if pen support is enabled, otherwise EFalse. |
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*/ |
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IMPORT_C TBool IsPenSupported(); |
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//Nitz Review Added |
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/** |
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* This method can be used to set the image size required for Rotation. |
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* @param aRotatedImageSize the image size to be set. |
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*/ |
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IMPORT_C void SetRotatedImageSize(TSize aRotatedImageSize); |
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//Nitz Review Added end |
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/** |
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* This method can be used to Get the image size required for Rotation. |
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* @return the image size for the image to be rotated. |
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*/ |
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IMPORT_C TSize GetRotatedImageSize(); |
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/** |
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* This method can be used to get Icon Size for Grid Widget |
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* @return const TSize. |
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*/ |
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IMPORT_C TSize GetGridIconSize(); |
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IMPORT_C TBool IsExitingState(); |
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IMPORT_C void SetExitingState(TBool aIsExiting); |
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/** |
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* Returns Visible items granularity based on feature |
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* layout (i.e., qHD, VGA) |
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* @return TInt visible items granularity / count |
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*/ |
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IMPORT_C TInt VisibleItemsInPageGranularityL(); |
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public: // from class MGlxTvObserver |
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/** |
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* @ref MGlxTvObserver::HandleTvStatusChangedL |
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*/ |
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IMPORT_C void HandleTvStatusChangedL( TTvChangeType aChangeType ); |
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public://from MAlfActionObserver |
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/** |
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* @ref MAlfActionObserver::HandleActionL |
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*/ |
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void HandleActionL (const TAlfActionCommand &aActionCommand); |
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public: |
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/** |
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*Add MGlxSkinChangeObserver to skin change observers array. |
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*@param aObserver Reference of the MGlxSkinChangeObserver. |
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*/ |
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IMPORT_C void AddSkinChangeObserverL(MGlxSkinChangeObserver& aObserver); |
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/** |
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*Remove MGlxSkinChangeObserver from skin change observers array. |
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*@param aObserver Reference of the MGlxSkinChangeObserver. |
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*/ |
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IMPORT_C void RemoveSkinChangeObserver(MGlxSkinChangeObserver& aObserver); |
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private: |
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/** |
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* C++ default constructor. |
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*/ |
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CGlxUiUtility(); |
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/** |
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* 2nd phase constructor. |
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*/ |
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void ConstructL(); |
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/** |
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* Destructor. |
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*/ |
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~CGlxUiUtility(); |
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|
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/** 2-phase constructor */ |
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static CGlxUiUtility* NewL(); |
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private: |
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/** |
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* Create the secondary TV Out Display |
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*/ |
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void CreateTvOutDisplayL(); |
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/** |
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* Destroy the secondary TV Out Display |
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*/ |
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void DestroyTvOutDisplay(); |
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/** |
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* Calculate the Grid Icon Size for Grid Widget. It always calculate |
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* size for Landscape orientation. This is done to avoid saving two |
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* different thumbnail icons in Thumbnail database. |
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*/ |
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void GridIconSizeL(); |
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// internal class to contain details of a style |
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private: |
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class TGlxTextStyle |
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{ |
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public: |
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TGlxTextStyle( TInt aFontId, TInt aSizeInPixels, TInt aStyleId ) |
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: iFontId(aFontId), iSizeInPixels( aSizeInPixels ), iStyleId( aStyleId ) |
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{}; |
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public: |
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TInt iFontId; |
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TInt iSizeInPixels; |
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TInt iStyleId; |
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}; |
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|
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private: |
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/** Pointer to the appui (not owned) */ |
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CCoeAppUi* iAppUi; |
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|
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/** The Alf environment (owned) */ |
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CAlfEnv* iEnv; |
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|
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/** The Alf display used by the control (not owned) */ |
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CAlfDisplay* iAlfDisplay; |
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|
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/** The texture manager (owned) */ |
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CGlxTextureManager* iGlxTextureManager; |
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|
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/** Avkon control hosting the TV Alf display (owned) */ |
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CAlfDisplay* iTvDisplay; |
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|
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/** Pointer to TvOut monitoring object (owned) */ |
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CGlxTv* iGlxTvOut; |
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|
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/** Pointer to resolution manager object (owned) */ |
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CGlxResolutionManager* iGlxResolutionManager; |
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|
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/** Application settings model */ |
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CGlxSettingsModel* iSettingsModel; |
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/// Current navigation direction between views |
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TGlxNavigationDirection iNavigationDirection; |
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/** Array of details of created styles */ |
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RArray<TGlxTextStyle> iTextStyles; |
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/** Screen orientation of the application */ |
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TGlxOrientation iOrientation; |
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/** Avkon control for monitoring skin changes*/ |
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CGlxSkinChangeMonitor* iGlxSkinChangeMonitor; |
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TBool iShared; |
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TSize iGridIconSize; |
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CGlxScreenFurniture* iScreenFurniture; |
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TBool iIsExiting; |
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//Added to give the Image size to the Coverflow Widget for Rotation |
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TSize iRotatedImageSize; |
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// CHgContextUtility* iContextUtility; |
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}; |
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#endif // C_GLXALFUTILITY_H |