/*

* 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:  Container for still pre capture view*

*/

#ifndef CAMSTILLPRECAPTURECONTAINER_H

#define CAMSTILLPRECAPTURECONTAINER_H

// INCLUDES

#include "CamPreCaptureContainerBase.h"

#include "camflashstatus.h" // MFlashStatusObserver

class CFbsBitmap;

// CLASS DECLARATION

/**

* Container for still image pre capture view

*/

class CCamStillPreCaptureContainer : public CCamPreCaptureContainerBase

                                    ,public MFlashStatusObserver

  {

  public: // Constructors and destructor

    /**

    * Symbian OS two-phased constructor

    * @since 2.8

    * @param aController reference to CCamAppControllerBase instance

    * @param aView reference to the view containing this container

    * @param aSetupPaneHandler handle to horizontal setup pane (product specific)

    * @param aRect Frame rectangle for container.

    * @return Pointer to newly constructed CCamStillPreCaptureContainer object

    */

    static CCamStillPreCaptureContainer* NewL( CCamAppController& aController, 

                                               CAknView& aView,									   

                                               const TRect& aRect );

    /**

    * Destructor.

    */

    virtual ~CCamStillPreCaptureContainer();

    /**

    * From MCamControllerObserver

    * @since 2.8

    * @param aEvent The specific event which occurred

    * @param aError The error code associated with the event

    */

    void HandleControllerEventL( TCamControllerEvent aEvent, TInt aError );

  public: // Functions from base classes

    /**

    * From CCoeControl

    * @since 2.8

    * @param aKeyEvent the key event

    * @param aType the type of the event

    * @return TKeyResponse key event was used by this control or not

    */

    TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent,

                                 TEventCode aType );         

    /**

    * From CCoeControl

    * @since 3.0

    */

    void SizeChanged();

    /**

    * From CCamContainerBase

    * Handle events sending app to foreground or background

    * @since 2.8

    * @param aForeground whether the event brings the app to fore or background

    */

    void HandleForegroundEventL( TBool aForeground );

    /**

    * Gets notification of the container being enabled / disabled 

    * @param aVisible, true->enabled and visible and vice versa

    */    

    void MakeVisible( TBool aVisible );	

    public: // From MFlashStatusObserver 

        /*

        * Flash icon visibility has changed.

        * @param aVisible new visibility status

        */  

        virtual void FlashIconVisible( TBool aVisible );      

        /**

        * Called every time when camera driver reports error in

        * flash recharging.                

        */

        virtual void FlashError();    

        // support for creating long running AO to create AP

        static TInt BackgroundAPL( TAny *aparam );

        TBool SetupActivePaletteCallbackL();

  private:

    /**

    * Symbian OS 2nd phase constructor.

    * @since 2.8

    * @param aRect Frame rectangle for container.

    */

    void ConstructL( const TRect& aRect );

    /**

    * Symbian OS 2nd phase constructor.

    * @param aRect Frame rectangle for container.

    */

    void BaseConstructL( const TRect& aRect );  

    /**

    * C++ constructor

    * @since 2.8

    * @param aController reference to CCamAppControllerBase instance

    * @param aSetupPaneHandler handle to horizontal setup pane (product specific)

    * @param aView reference to the view containing this container

    */

    CCamStillPreCaptureContainer( CCamAppController& aController,

                                  CAknView& aView );

  private: // Methods from base classes

    /**

    * From CCamPreCaptureContainerBase

    * Return the id of the layout resource for the viewfinder frame

    * @since 2.8

    * @param aViewFinderLayoutId on return this contains the resource id

    *           of the viewfinder layout

    * @param aReticuleLayoutId on return this contains the resource id 

    *           of the reticule layout if used, otherwise 0

    */

    void ViewFinderLayoutResourceIds( TInt& aViewFinderLayoutId, 

                                      TInt& aReticuleLayoutId ) const;

    /**

    * From CCamPreCaptureContainerBase

    * Sets the resolution indicator to the required icon

    * @since 2.8

    */

    void SetResolutionIndicator();   

    /**

    * Sets the location indicator icon if the setting is enabled

    */

    void SetLocationIndicatorVisibility();

    /**

    * From CCamPreCaptureContainerBase

    * Move up through the flash settings

    * @since 3.0

    */

    void IncreaseFlashSettingL();

    /**

    * From CCamPreCaptureContainerBase

    * Move down through the flash settings

    * @since 3.0

    */ 

    void DecreaseFlashSettingL();                                         

    /**

    * From CCamPreCaptureContainerBase

    * Process a key event that should change the current capture state

    * E.g. start/pause recording, start/stop capture

    * @since 3.0

    * @param aKeyEvent the key press that initiates the capture

    * @return whether or not the key was consumed

    */ 

    TKeyResponse HandleCaptureKeyEventL( const TKeyEvent& aKeyEvent );                                          

    /**

    * Process a key event that could change the current capture state

    * E.g. start autofocus, revert from post-capture to pre-capture views        

    * @since 3.0

    * @param aKeyEvent the key press that initiates the capture

    * @param aType the key type for the event

    * @return whether or not the key was consumed

    */         

    TKeyResponse HandleShutterKeyEventL( const TKeyEvent& aKeyEvent,

                                         TEventCode aType );

    /**

    * Allows additional mode-specific icons to be drawn

    * @param aGc The context to draw with

    */

    virtual void DrawAdditionalIcons(CBitmapContext& aGc) const;

    /**

    * Returns the ID of the array containing the resolution indicator icons

    * @return The array ID

    * @since 3.0

    */

    virtual TCamPsiKey ResolutionIndicatorIconPsiKey() const;

    /**

    * Gets the resource id of AP items.

    * Resource is selected based on embedded status and user mode.

    */

    virtual TInt GetAPResourceId() const;

    /**

    * Init the viewfinder grid.

    * Creates the grid drawer if not done yet.

    * Set drawing rectangle and visibility.

    */

    virtual void InitVfGridL( const TRect& aRect );

  private: // New functions    

    /**

    * Loads the flash icon file and subscribes to blink events

    */

    void InitFlashIconL();

    /**

    * Loads flash icon layout from resources, and sets icon size

    */

    void LayoutFlashIcon();    

    /**

    * Draws the flash icon to select

    * @param aGc

    */

    void DrawFlashIcon( CBitmapContext& aGc ) const;

    /**

    * Utility function to subscribe / unsubscribe from flash related events

    * @param aSubscribe, true->subscribe, else unsubscribe 

    */        

    void SubscribeFlashEvents( TBool aSubscribe );

  private: // Data

    TBool iFlashIconVisible;

    TRect iFlashIconRect;

    // Xenon flash bitmap

    CFbsBitmap* iFlashBitmap;

    CFbsBitmap* iFlashBitmapMask;

    TBool iXenonFlashSupported;

    CIdle* iAPCreateAO;

  };

#endif // CAMSTILLPRECAPTURECONTAINER_H

// End of File