vtuis/videotelui/inc/features/zoom/cvtuizoompopup.h
branchRCL_3
changeset 35 779871d1e4f4
parent 0 ed9695c8bcbe
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtuis/videotelui/inc/features/zoom/cvtuizoompopup.h	Wed Sep 01 12:29:12 2010 +0100
@@ -0,0 +1,121 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Zoom popup definition
+*
+*/
+
+
+#ifndef C_VTUIZOOMPOPUP_H
+#define C_VTUIZOOMPOPUP_H
+
+#include "tvtuicomponentstate.h"
+#include "cvtuipopupbase.h"
+
+class CVtUiFeatureManager;
+class MVtEngMedia;
+
+/**
+*  CVtUiZoomPopup
+*
+*  Zoom popup definition.
+*
+*  @since S60 v3.2
+*/
+class CVtUiZoomPopup : public CVtUiPopupBase
+    {
+
+public:
+
+    /**
+    * Static constructor
+    * @param aFeatureManager Reference to feature manager.
+    */
+    static CVtUiZoomPopup* NewL( CVtUiFeatureManager& aFeatureManager );
+
+    /**
+    * Destructor
+    */
+    ~CVtUiZoomPopup();
+
+    /**
+    * Refresh zoom popup status.
+    */
+    void RefreshL();
+
+private: // from CVtUiPopupBase
+
+    /**
+    * @see CVtUiPopupBase::DoActivateL
+    */
+    void DoActivateL();
+
+private: // from base class
+
+    /**
+    * @see CVtUiPopupBase::OfferKeyEventL
+    */
+    TKeyResponse OfferKeyEventL( const TKeyEvent& aEvent,
+        TEventCode aCode );
+
+    /**
+    * @see CVtUiPopupBase::HandleControlEventL
+    */
+    void HandleControlEventL( CCoeControl* aControl, TCoeEvent aEventType );
+
+private:
+
+    /**
+     * Constructor
+     */
+    CVtUiZoomPopup( CVtUiFeatureManager& aFeatureManager );
+
+    /*
+    * 2nd constructor
+    */
+    void ConstructL();
+
+    /*
+    * Updates zoom adjust range according to current active provider.
+    */
+    void UpdateAdjustRangeL();
+
+    /**
+    * Returns current zoom step or KErrNotFound if an error happens.
+    */
+    TInt CurrentZoomStep() const;
+
+    /**
+    * Returns maximum zoom step or KErrNotFound if an error happens.
+    */
+    TInt MaxZoomStep() const;
+    
+    void ScaleAndSetZoomFactorL( TInt aValue );
+
+private:
+
+    // Reference to feature manager
+    CVtUiFeatureManager& iFeatureManager;
+
+    // Engine media
+    MVtEngMedia& iMedia;
+
+    // Current zoom
+    TInt iCurrent;
+
+    // Maximum zoom value
+    TInt iMax;
+
+    };
+
+#endif // C_VTUIZOOMPOPUP_H