--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/inc/CamLocationIconController.h Wed Sep 01 12:30:54 2010 +0100
@@ -0,0 +1,187 @@
+/*
+* 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: Header file for CCamLocationIconController class.
+*
+* Copyright © 2007 Nokia. All rights reserved.
+* This material, including documentation and any related computer
+* programs, is protected by copyright controlled by Nokia. All
+* rights are reserved. Copying, including reproducing, storing,
+* adapting or translating, any or all of this material requires the
+* prior written consent of Nokia. This material also contains
+* confidential information which may not be disclosed to others
+* without the prior written consent of Nokia.
+
+*
+*
+*/
+
+
+#ifndef CAMLocationIconCONTROLLER_H
+#define CAMLocationIconCONTROLLER_H
+
+// INCLUDES
+
+#include <e32base.h>
+#include "CamPropertyObserver.h" // MPropertyObserver
+#include "CamControllerObservers.h"
+
+// CONSTANTS
+
+const TInt KLocationSettingStateOff = 0;
+const TInt KLocationSettingStateOn = 1;
+
+// FORWARD DECLARATIONS
+
+class CCamAppController;
+class CCamIndicator;
+class CCamPropertyWatcher;
+class CWindowGc;
+class CBitmapContext;
+class CEikonEnv;
+
+// CLASS DECLARATION
+
+/**
+* Abstract API for location icon observer.
+* Derived classes, which have subscribed to CCamLocationIconController
+* receive notification when the location icon contents change
+*/
+class MCamLocationIconObserver
+ {
+ public:
+ /**
+ * The location icon contents have changed
+ */
+ virtual void LocationIconUpdated() = 0;
+ };
+
+/**
+* Watches changes in location state properties.
+* Notifies observer of changes in the location indocator.
+* Handles drawing requests by passing them to owned CCamLocationIconDrawer
+* object.
+*/
+class CCamLocationIconController: public CBase, public MPropertyObserver, public MCamControllerObserver
+ {
+
+ public: // Construction and destruction
+ /**
+ * Descructor
+ */
+ ~CCamLocationIconController();
+ /**
+ * Two-phased constructor
+ * @param aObserver location indicator observer
+ * @param aCallbackActive Callback to the observer active
+ * @return Pointer to the created
+ */
+ static CCamLocationIconController* NewL( CCamAppController& aController,
+ MCamLocationIconObserver& aObserver,
+ TBool aCallbackActive, TRect& aRect );
+
+
+ public: // From MPropertyObserver
+ /**
+ * The value of a watched property has changed
+ * @param aCategory The category of the property
+ * @param aKey the Identifier of the property
+ */
+ void HandlePropertyChangedL( const TUid& aCategory, const TUint aKey );
+
+
+ public: // New functions
+ /**
+ * Activate or deactivate callbacks to observer when there
+ * are changes in the location indicator.
+ * @param aActive Callback to observer active
+ */
+ void SetCallbackActive( TBool aActive );
+
+ /**
+ * Set location state.
+ * @param aState location state
+ */
+ void SetLocationState( TInt aState );
+
+ /**
+ * location indicator's rectangle
+ * @return rectangle
+ */
+ TRect Rect() const;
+
+ /**
+ * Draw the location icon
+ * @param aGc Graphics context
+ */
+ void Draw( CBitmapContext& aGc ) const;
+ //void Draw( CWindowGc& aGc ) const;
+
+ /**
+ * From MCamControllerObserver
+ * @since 2.8
+ * @param aEvent The enumerated code for the event received
+ * @param aError The error code associated with the event
+ */
+ void HandleControllerEventL( TCamControllerEvent aEvent,
+ TInt aError );
+
+ protected:
+ /**
+ * Second phase constructor
+ */
+ void ConstructL( TRect& aRect );
+
+ private:
+ /**
+ * Constructor.
+ * @param aObserver location indocator observer
+ * @param aCallbackActive Callback to the observer active
+ */
+ CCamLocationIconController( CCamAppController& aController,
+ MCamLocationIconObserver& aObserver,
+ TBool aCallbackActive );
+
+ void CreateLocationIndicatorL();
+ void UpdateRect( TBool aSecondCameraEnabled );
+ void UpdateRect();
+ //TRect Rect() const;
+
+ /**
+ * Notifies observer of changes in the location indicator,
+ * if iCallbackActive is set
+ */
+ void NotifyObserver();
+
+ /**
+ * Read current status of the properties. Set location state accordingly
+ */
+ void ReadCurrentState();
+
+ private:
+ CCamAppController& iController;
+ // Array of pointer to the location indicators
+ RPointerArray<CCamIndicator> iLocationIndicators;
+ // The current location indicator
+ TInt iLocationState;
+ const CEikonEnv * iEnv;
+ // Observer of the location indicator changes
+ MCamLocationIconObserver& iObserver;
+ TBool iCallbackActive;
+ TRect iRect;
+
+ // Property watchers for location state changes
+ CCamPropertyWatcher* iLocationStateWatcher;
+ };
+
+#endif