powerresmancontainer.h

基于Symbian平台下随心所欲控制屏幕的灯亮熄.在观看视频和发短信时这一点非常重要.

// CLASS DECLARATION
/**
*
* CPowerResManContainer PowerResManContainer.h
* This is a container control for the application.
*
* Copyright (c) 2004 Nokia Corporation
* version 2.0
*/


#ifndef POWERRESMANCONTAINER_H
#define POWERRESMANCONTAINER_H

// INCLUDES
#include <coecntrl.h>
#include <PowerResMan.rsg>
#include <barsread.h>
#include <aknlists.h>
#include "PowerResMan.hrh"

// FORWARD DECLARATIONS
class CAknDoubleStyleListBox;

// CLASS DECLARATION

/**
*  CPowerResManContainer  container control class.
*
*/
class CPowerResManContainer : public CCoeControl, MCoeControlObserver
    {
public: // Constructors and destructor
    /**
     * Function:    ConstructL
     * Description: 2nd phase constructor
     * Params:      aRect - v
     */
     void ConstructL(const TRect& aRect);

    /**
     * Function:    ~CPowerResManContainer
     * Description: Destructor
     */
     ~CPowerResManContainer();

public:
    /**
     * Function:    ProcessStateVarChangeL
     * Description: Sets the text in the
     *              appropriate line for the specified state variable
     * Params:      aStateVarUid. TUid of the state variable
     * Params       aNewState. The new state of the variable
     */
    void ProcessStateVarChangeL(TUid aStateVarUid, TInt aNewState);


private: // Functions from CCoeControl

    /**
     * Function:    SizeChanged
     * Description: Called by the framework when the control is resized
     */
     void SizeChanged();

    /**
     * Function:    CountComponentControls
     * Description: Number of controls inside this container
     */
     TInt CountComponentControls() const;

    /**
     * Function:    ComponentControl
     * Description: Gets the specified component of a compound control
     *
     * Params:      aIndex. component to return
     */
     CCoeControl* ComponentControl(TInt aIndex) const;

    /**
     * Function:    Draw
     * Description: Called by the window server to draw a control
     *
     * Params:      aRect. Area to be redrawn
     */
     void Draw(const TRect& aRect) const;


     //From MCoeControlObserver
     /**
     * Function:    HandleControlEventL
     * Description: Acts upon changes in the hosted control's state.
     *
     * Params   aControl    The control changing its state
     * Params   aEventType  The type of control event
     */
     void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEventType);


private:
    /**
     * Function:    SetTextL
     * Description: Sets the text of a list item
     * Params:      aLine - the list item to change
     * Params:      aText - the new text for the item
     */
    void SetTextL(TSystemAgentListLineId aLine, const TDesC& aText);

    /**
     * Function:    SetupListItemsL
     * Description: Sets the initial text for all the items in the list
     */
    void SetupListItemsL();

    /**
     * Function:    LoadDefaultValuesL
     * Description: Populates the list array with default values
     * Params:      aDefaultValuesArray - the list array to populate
     */
    void LoadDefaultValuesL(CDesCArray& aDefaultValuesArray);


private: //data

    CAknDoubleStyleListBox* iListbox;
    CDesCArray*             iItemArray;

    };

#endif

// End of File