--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/inc/xncontroladapter.h Wed Sep 01 12:32:46 2010 +0100
@@ -0,0 +1,478 @@
+/*
+* Copyright (c) 2002-2004 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:
+* Xuikon control adapter header file
+*
+*/
+
+#ifndef XNCONTROLADAPTER_H
+#define XNCONTROLADAPTER_H
+
+// System includes
+#include <e32base.h>
+#include <coecntrl.h>
+#include <aknappui.h>
+#include <aknlongtapdetector.h>
+
+// Forward declarations
+class CXnNodePluginIf;
+class CXnComponent;
+class CXnControlAdapterImpl;
+class CXnProperty;
+class CXnNode;
+
+// Class declaration
+/**
+ * Control adapter interface class
+ *
+ * @ingroup group_xnlayoutengine
+ * @lib xnlayoutengine.lib
+ * @since Series 60 3.1
+ */
+class CXnControlAdapter : public CCoeControl,
+ public MCoeControlObserver,
+ public MAknLongTapDetectorCallBack
+ {
+public:
+ // Data types
+ enum TModeEvent
+ {
+ EEventNone = 0,
+ EEventBackground,
+ EEventLight,
+ EEventDisplay,
+ EEventVisibility
+ };
+
+ /**
+ * Two-phased constructor.
+ */
+ IMPORT_C static CXnControlAdapter* NewL( CXnNodePluginIf& aNode );
+
+ /**
+ * Destructor.
+ */
+ IMPORT_C virtual ~CXnControlAdapter();
+
+public:
+ // New functions
+
+ /**
+ * Sets component pointer.
+ *
+ * @since Series 60 3.1
+ * @param aComponent Component pointer.
+ */
+ IMPORT_C void SetComponent( CXnComponent* aComponent );
+
+ /**
+ * Set component visibility
+ *
+ * @since Series 60 3.1
+ * @param aVisible ETrue for making visible, EFalse for making invisible
+ */
+ IMPORT_C void SetVisible( TBool aVisible );
+
+ /**
+ * Gets the component pointer.
+ *
+ * @since Series 60 3.1
+ * @return Component pointer.
+ */
+ IMPORT_C CXnComponent* Component();
+
+ /**
+ * Checks if the control should be drawn, according to visibility and
+ * display properties.
+ *
+ * @since Series 60 3.1
+ * @return ETrue if drawing is ok, EFalse otherwise
+ */
+ IMPORT_C TBool IsDrawingAllowed() const;
+
+ /**
+ * Gets content bitmaps. Ownership is not transferred.
+ *
+ * @since Series 60 3.1
+ * @param aBitmap Bitmap to draw
+ * @param aMask Mask to use
+ */
+ IMPORT_C void ContentBitmaps( CFbsBitmap*& aBitmap, CFbsBitmap*& aMask );
+
+ /**
+ * Sets content bitmaps. Ownership is transferred.
+ *
+ * @since Series 60 3.1
+ * @param aBitmap Bitmap to draw
+ * @param aMask Mask to use
+ */
+ IMPORT_C void SetContentBitmaps( CFbsBitmap* aBitmap, CFbsBitmap* aMask );
+
+ /**
+ * Sets content bitmaps. Ownership is transferred.
+ *
+ * @since Series 60 3.1
+ * @param aBitmapUrl Url of the bitmap to draw
+ * @param aMaskUrl Url of the bitmap mask to use
+ */
+ IMPORT_C void SetContentBitmaps( const TDesC& aBitmapUrl,
+ const TDesC& aMaskUrl );
+
+ /**
+ * Load a bitmap from the server. Ownership is transferred.
+ *
+ * @since Series 60 3.1
+ * @param aBitmapUrl Url of the bitmap to load
+ * @return Bitmap
+ */
+ IMPORT_C CFbsBitmap* LoadBitmap( const TDesC& aBitmapUrl );
+
+ /**
+ * Load a bitmap and mask from the server. Ownership is transferred.
+ *
+ * @since Series 60 3.1
+ * @param aBitmapUrl Url of the bitmap to load
+ * @param aMaskUrl Url of the mask to load, if any
+ * @param aBitmap Fetched bitmap
+ * @param aMask Fetched mask
+ */
+ IMPORT_C void GetBitmapAndMask(
+ const TDesC& aBitmapUrl,
+ const TDesC& aMaskUrl,
+ CFbsBitmap*& aBitmap,
+ CFbsBitmap*& aMask );
+
+ /**
+ * Skin change notification.
+ *
+ * @since Series 60 3.1
+ */
+ IMPORT_C virtual void SkinChanged();
+
+ /**
+ * Draws the control using a client-specified gc.
+ *
+ * @param aRect TRect to draw
+ * @param aGc Gc used for drawing
+ */
+ IMPORT_C virtual void Draw( const TRect& aRect, CWindowGc& aGc ) const;
+
+ /**
+ * Enter power save mode. This is done when application goes to background
+ * or lights go off.
+ * Derived classes should override this function and stop animations, timers
+ * etc. when the function is called.
+ */
+ IMPORT_C void EnterPowerSaveModeL( TModeEvent aEvent = EEventNone );
+
+ /*
+ * Template method, called by EnterPowerSaveModeL(). Additional
+ * implementations are done in derived classes.
+ */
+ IMPORT_C virtual void DoEnterPowerSaveModeL( TModeEvent aEvent );
+
+ /**
+ * Exit power save mode. This is done when application comes to foreground
+ * or lights go on.
+ * Derived classes should override this function and restart animations,
+ * timers etc. when the function is called.
+ */
+ IMPORT_C void ExitPowerSaveModeL( TModeEvent aEvent = EEventNone );
+
+ /*
+ * Template method, called by ExitPowerSaveModeL(). Additional
+ * implementations are done in derived classes.
+ */
+ IMPORT_C virtual void DoExitPowerSaveModeL( TModeEvent aEvent );
+
+ /**
+ * Sets the application local zoom
+ *
+ * @param aZoom application local zoom
+ * @since 3.1
+ */
+ IMPORT_C virtual void SetLocalUiZoomL( TAknUiZoom aZoom );
+
+ /**
+ * This called to measure adaptive content dimensions
+ *
+ * @since 3.2
+ * @param aAvailableSize where the component's content must fit
+ * @return The measure content dimensions
+ */
+ IMPORT_C virtual TSize MeasureAdaptiveContentL(
+ const TSize& aAvailableSize );
+
+
+ /**
+ * Add a child adapter
+ * @since Series 60 3.1
+ * @param aChild Child adapter
+ * @param aNode Child layout node.
+ */
+ void AppendChildL(CXnControlAdapter& aChild, CXnNode& aNode);
+
+
+ /**
+ * Resets the stylus state counter, so that the next tap causes 1st stylus
+ * action.
+ *
+ * @since 3.2
+ */
+ IMPORT_C void ResetStylusCounter();
+
+ /**
+ * Sets the control blank
+ *
+ * @since S60 5.1
+ * @param aBlank, ETrue sets blank, EFalse resets blank
+ */
+ IMPORT_C void SetBlank( TBool aBlank );
+
+ /**
+ * Gets the control's long tap detector
+ *
+ * @since 5.0
+ */
+ IMPORT_C CAknLongTapDetector* LongTapDetector() const;
+
+ /**
+ * Gets the control's associated window.
+ *
+ * @since 3.2
+ */
+ inline RWindow& Window() const;
+
+ /**
+ * Gets the component of this control which is grabbing the pointer.
+ *
+ * @since 5.0
+ */
+ inline CCoeControl* GrabbingComponent() const;
+
+public:
+ /**
+ * From CCoeControl.
+ * Handles key events.
+ *
+ * @since Series 60 3.1
+ * @param aKeyEvent Key event.
+ * @param aType Event type.
+ * @return Key response
+ */
+ IMPORT_C TKeyResponse OfferKeyEventL(
+ const TKeyEvent& aKeyEvent,
+ TEventCode aType );
+
+ /**
+ * From CCoeControl.
+ * Handles control events.
+ *
+ * @since Series 60 3.1
+ * @param aControl Control.
+ * @param aEventType Event type.
+ */
+ IMPORT_C void HandleControlEventL(
+ CCoeControl* aControl,
+ TCoeEvent aEventType );
+
+ /**
+ * From CCoeControl.
+ * Handles pointer events
+ *
+ * This method must always be called, even when it's overridden by derived
+ * classes
+ *
+ * @param aPointerEvent pointer event
+ */
+ IMPORT_C void HandlePointerEventL( const TPointerEvent& aPointerEvent );
+
+ /**
+ * From CCoeControl.
+ * Handles pointer events
+ *
+ * This method must always be called, even when it's overridden by derived
+ * classes
+ *
+ * @param aDrawNow Contains the value that was passed to it by SetFocus().
+ */
+ IMPORT_C void FocusChanged( TDrawNow aDrawNow );
+
+ /**
+ * From MAknLongTapDetectorCallBack.
+ * Handles the long tap events.
+ *
+ * @since Series 60 3.1
+ * @param aPenEventLocation Long tap event location relative to parent
+ * control.
+ * @param aPenEventScreenLocation Long tap event location relative to
+ * screen.
+ */
+ IMPORT_C void HandleLongTapEventL(
+ const TPoint& aPenEventLocation,
+ const TPoint& aPenEventScreenLocation );
+
+protected:
+ // New functions
+
+ /**
+ * C++ default constructor.
+ */
+ IMPORT_C CXnControlAdapter();
+
+ /**
+ * Two-phased constructor.
+ */
+ IMPORT_C void ConstructL( CXnNodePluginIf& aNode );
+
+ /**
+ * Const-version of getting the component pointer.
+ * For internal use only.
+ *
+ * @since Series 60 3.1
+ * @return Component pointer.
+ */
+ CXnComponent* Component() const;
+
+ /**
+ * Draws content image.
+ *
+ * @since Series 60 3.1
+ */
+ IMPORT_C void DrawContentImage() const;
+
+protected:
+ /**
+ * From CCoeControl.
+ * Draws the control.
+ *
+ * This method must always be called, even when it's overridden by derived
+ * classes
+ *
+ * @param aRect TRect to draw
+ */
+ IMPORT_C virtual void Draw( const TRect& aRect ) const;
+
+ /**
+ * From CCoeControl.
+ * Return a child control by index.
+ *
+ * This method must not be overridden by derived classes
+ *
+ * @param aIndex Index of the child to return
+ * @return Control at the given index
+ */
+
+ IMPORT_C CCoeControl* ComponentControl( TInt aIndex ) const;
+
+ /**
+ * From CCoeControl.
+ * Return count of children.
+ *
+ * This method must not be overridden by derived classes.
+ *
+ * @return Count of children
+ */
+ IMPORT_C TInt CountComponentControls() const;
+
+ /**
+ * From CCoeControl.
+ * Size change notification
+ */
+ IMPORT_C virtual void SizeChanged();
+
+public:
+ /**
+ * From CCoeAppUiBase.
+ * Informs the components about the screen layout switch.
+ */
+ IMPORT_C virtual void HandleScreenDeviceChangedL();
+
+ /**
+ * Informs the components about the property change.
+ */
+ IMPORT_C void HandlePropertyChangeL( CXnProperty* aProperty = NULL );
+
+ /*
+ * Template method, called by HandlePropertyChangeL().
+ * Additional implementations are done in derived classes.
+ */
+ IMPORT_C virtual void DoHandlePropertyChangeL(
+ CXnProperty* aProperty = NULL );
+
+ /**
+ * Sets the state of the long tap animation
+ */
+ IMPORT_C void EnableLongTapAnimation( const TBool aAnimation );
+
+ /**
+ * Remove all child adapters
+ */
+ void RemoveChildAdapters();
+
+ /**
+ * Set Longtap delays
+ */
+ void SetLongTapDelays( const TInt aStartDelay, const TInt aLongTapDelay );
+
+ /**
+ * Get child adapter list i.e which are not window owning controls
+ */
+ RPointerArray< CXnControlAdapter >& ChildAdapters();
+
+ /**
+ * Determines wheter control refuses focus loss
+ */
+ virtual TBool RefusesFocusLoss() const { return EFalse; };
+
+ /**
+ * Routes the data stream for the external rendering plugin.
+ *
+ * @since Series 60 5.2
+ * @param aData Data stream.
+ * @param aType Type of the stream.
+ * @param aIndex Index of the data.
+ */
+ IMPORT_C virtual void SetDataL( const TDesC8& aData, const TDesC& aType, TInt aIndex );
+
+private:
+ // Data
+
+ /**
+ * class implementation.
+ * Own.
+ */
+ CXnControlAdapterImpl* iImpl;
+
+ /**
+ * Avkon long tap detector implementation.
+ * Own.
+ */
+ CAknLongTapDetector* iLongTapDetector;
+
+ /**
+ * Long tap delay
+ */
+ TInt iCurrentLongTapTimeDelay;
+
+ /**
+ * Start Long tap delay
+ */
+ TInt iCurrentLongTapStartDelay;
+ };
+
+// Inline functions
+#include "xncontroladapter.inl"
+
+#endif