classicui_plat/skinnable_clock_api/inc/AknSkinnableClock.h
changeset 0 2f259fa3e83a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/classicui_plat/skinnable_clock_api/inc/AknSkinnableClock.h	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,299 @@
+/*
+* Copyright (c) 2006-2008 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:  Control for AVKON's skinnable clock.
+*
+*/
+
+
+#ifndef C_AKNSKINNABLECLOCK_H
+#define C_AKNSKINNABLECLOCK_H
+
+// INCLUDES
+#include <coecntrl.h>
+#include <e32property.h>
+#include <hwrmlight.h>
+
+// FORWARD DECLARATIONS
+class CFbsBitmap;
+class CFbsBitmapDevice;
+class CFbsBitGc;
+class CAknSkinnableClockChangeHandler;
+class CAknSkinnableClockFace;
+class CAknSkinnableClock;
+
+/**
+ * Clock control that displays analogue or digital clock with skinning.
+ *
+ * This is a public (non-SDK) class visible outside the library.
+ * This class is not intended for further derivation.
+ *
+ * @since 2.0
+ *
+ * @internal
+ */
+NONSHARABLE_CLASS( CAknSkinnableClock ) : public CCoeControl,
+                                          public MCoeControlHitTest,
+                                          public MCoeMessageMonitorObserver, 
+                                          public MHWRMLightObserver
+    {
+public: // Constructors and destructor
+
+    /**
+    * Two-phased constructor.
+    *
+    * @since 2.0
+    *
+    * @param  aContainerWindow   Container window for the clock component.
+    *
+    * @param  aFormatFromLocale  Boolean flag to indicate whether the clock
+    *                            format should be updated from the locale.
+    *
+    * @param  aContextPaneClock  Boolean flag that indicates whether the
+    *                            clock is in the context pane.
+    *
+    * @return Newly constructed object.
+    */
+    IMPORT_C static CAknSkinnableClock* NewL( CCoeControl* aContainerWindow,
+                                              const TBool aFormatFromLocale,
+                                              const TBool aContextPaneClock );
+
+    /**
+    * Destructor.
+    */
+    IMPORT_C virtual ~CAknSkinnableClock();
+
+public: // New functions
+
+    /**
+    * Updates the double buffer and redraws the clock.
+    */
+    IMPORT_C void UpdateDisplay();
+
+    /**
+    * Sets the format of the clock.
+    *
+    * @param  aFormat  New clock format.
+    */
+    IMPORT_C void SetFormatL( const TClockFormat aFormat );
+
+
+    /**
+    * Updates time and locale state of the clock.
+    */
+    void TimeOrLocaleChanged();
+
+private: // New functions
+
+
+    /**
+    * Timer callback for clock updates
+    *
+    * @param  aThis  Pointer to the skinnable clock instance.
+    *
+    * @return Always returns @c KErrNone.
+    */
+    static TInt TimerCallback( TAny* aThis );
+
+    /**
+    * Gets the display mode for the buffer.
+    *
+    * @return Display mode suitable for the buffer.
+    */
+    TDisplayMode BufferDisplayMode();
+
+    /**
+    * Checks whether the clock is currently in the context pane.
+    *
+    * @return @c ETrue if the clock is visible in context pane,
+    *         @c EFalse otherwise.
+    */
+    TBool IsVisibleInContextPane() const;
+
+    /**
+    * Starts the clock timer.
+    * Used when the clock gains visibility.
+    */
+    void StartTimer();
+
+    /**
+    * Stops the clock timer.
+    * Used when the clock loses visibility.
+    */
+    void StopTimer();
+
+    /**
+    * Called when the clock control gains foreground.
+    */
+    void ForegroundGainedL();
+
+public: // From base class @c CCoeControl.
+
+    /**
+    * Handles the resource change events.
+    *
+    * @param  aType  Resource change type.
+    */
+    void HandleResourceChange( TInt aType );
+
+    /**
+    * Check if pointer event should be handled or not,
+    * If in idle - then handle.
+    *
+    * @param  aPoint    The position to test.
+    * @param  aControl  Control.
+    *
+    * @return @c ETrue if pointer event should be handled, @c EFalse if not.
+    */
+    TBool HitRegionContains( const TPoint &aPoint,
+                             const CCoeControl &aControl ) const;
+
+    /**
+    * Responds to changes in the position of the control.
+    */
+    IMPORT_C virtual void PositionChanged();
+
+public: // From base class @c MCoeMessageMonitorObserver.
+
+    /**
+    * Used to receive event from window server
+    * when the visibility of the window changes.
+    *
+    * @param  aEvent  The window server event.
+    */
+    void MonitorWsMessage( const TWsEvent& aEvent );
+
+private: // From base class @c CCoeControl.
+
+    /**
+    * Draws the clock.
+    *
+    * @param  aRect  The rectangle to be drawn.
+    */
+    void Draw( const TRect& aRect ) const;
+
+private:
+
+    /**
+    * C++ default constructor.
+    *
+    * @param  aFormatFromLocale  Boolean flag to indicate whether the clock
+    *                            format should be updated from the locale.
+    *
+    * @param  aContextPaneClock  Boolean flag that indicates whether the
+    *                            clock is in the context pane.
+    */
+    CAknSkinnableClock( const TBool aFormatFromLocale,
+                        const TBool aContextPaneClock );
+
+    /**
+    * Second-phase constructor.
+    * By default Symbian 2nd phase constructor is private.
+    */
+    void ConstructL();
+
+public: // From base class @c CCoeControl.
+
+    /**
+    * Handles pointer events by launching the clock application.
+    *
+    * @param  aPointerEvent  Pointer event to be handled.
+    */
+    IMPORT_C void HandlePointerEventL( const TPointerEvent& aPointerEvent );
+
+    /**
+    * Changes the control visibility.
+    *
+    * @param  aVisible  @c ETrue to make the control visible,
+    *                   @c EFalse otherwise.
+    */
+    virtual void MakeVisible( TBool aVisible );
+
+protected: // From base class @c CCoeControl.
+
+    /**
+    * Handles size change events.
+    */
+    void SizeChanged();
+
+private:
+
+    /**
+     * From MHWRMLightObserver
+     * @since Series 60 3.1
+     */
+    void LightStatusChanged(TInt aTarget, CHWRMLight::TLightStatus aStatus);
+
+private: // Member data
+
+    /**
+    * Clock timer.
+    * Own.
+    */
+    CPeriodic* iTimer;
+
+    /**
+    * Change handler to monitor changes in system time or locale.
+    * Own.
+    */
+    CAknSkinnableClockChangeHandler* iHandler;
+
+    /**
+    * Double buffer to which the clock graphics are drawn.
+    * Own.
+    */
+    CFbsBitmap* iDoubleBuffer;
+
+    /**
+    * The graphics device into which the double buffer is drawn.
+    * Own.
+    */
+    CFbsBitmapDevice* iDoubleBufferDev;
+
+    /**
+    * Graphics context for the double buffer.
+    * Own.
+    */
+    CFbsBitGc* iDoubleBufferGc;
+
+    /** Current display format of the clock. */
+    TClockFormat iClockFormat;
+
+    /** Defines whether or not the clock format is updated from the locale. */
+    TBool iFormatFromLocale;
+
+    /** Defines whether or not the clock control is in the status pane. */
+    TBool iContextPaneClock;
+
+    /**
+    * Pointer to the class which draws the time graphics to the double buffer.
+    * Own.
+    */
+    CAknSkinnableClockFace* iFace;
+
+    /**
+    * Defines whether or not the clock control has full or
+    * partial foreground.
+    */
+    TBool iInForeground;
+
+    /** Contains the time currently drawn to the bitmap. */
+    TDateTime iTimeInBitmap;
+
+    /** For registering MHWRMLightObserver. */
+    CHWRMLight* iLight;
+    };
+
+#endif // C_AKNSKINNABLECLOCK_H
+
+// End of File