appfw/apparchitecture/inc/APADBASE.H
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     1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // apadbase.h
       
    15 //
       
    16 
       
    17 #ifndef __APADBASE_H__
       
    18 #define __APADBASE_H__
       
    19 
       
    20 #include <e32std.h>
       
    21 #include <s32std.h>
       
    22 #include <gdi.h>
       
    23 
       
    24 // Base class for a wrapper for embedded CApaDocuments
       
    25 
       
    26 /** The base class for the graphic representation of an embedded document.
       
    27 
       
    28 An embedded document can be represented either as an icon or as a glass picture. 
       
    29 Such a graphic representation is known as a door.
       
    30 
       
    31 The class is intended for derivation.
       
    32 
       
    33 @publishedAll 
       
    34 @released
       
    35 @see CApaDoor
       
    36 @see CApaModelDoor */
       
    37 class CApaDoorBase : public CPicture
       
    38 	{
       
    39 public:
       
    40 	/** Defines the possible formats for the graphical representation of the embedded 
       
    41 	document. */
       
    42 	enum TFormat {
       
    43 		/** The representation is an icon. */
       
    44 		EIconic,
       
    45 		/** The representation is a glass door. */
       
    46 		EGlassDoor,
       
    47 		/** The representation is a glass door but has been temporarily switched to an icon. */
       
    48 		ETemporarilyIconic
       
    49 		};
       
    50 public:
       
    51 	inline TFormat Format() const;
       
    52 	inline TUid Source() const;
       
    53 	inline void SetSource(TUid aSource);
       
    54 public:	// from CPicture
       
    55 	IMPORT_C TStreamId StoreL(CStreamStore& aStore) const;
       
    56 	IMPORT_C void SetScaleFactor(TInt aScaleFactorWidth, TInt aScaleFactorHeight); 
       
    57 	IMPORT_C void SetCropInTwips(const TMargins& aMargins); 
       
    58 	IMPORT_C TPictureCapability Capability() const;
       
    59 	IMPORT_C void GetCropInTwips(TMargins& aMargins) const; 
       
    60 	IMPORT_C TInt ScaleFactorWidth() const; 
       
    61 	IMPORT_C TInt ScaleFactorHeight() const; 
       
    62 	IMPORT_C TBool LineBreakPossible(TUint aClass, TBool aBeforePicture, TBool aHaveSpaces) const;
       
    63 	IMPORT_C TBool NativePixelSize(TSize& aPixelSize);
       
    64 protected:
       
    65 	IMPORT_C CApaDoorBase();
       
    66 	IMPORT_C void ExternalizeBaseStreamL(CStreamStore& aStore,CStreamDictionary& aStreamDict)const;
       
    67 	IMPORT_C TSize InternalizeBaseStreamL(const CStreamStore& aStore,const CStreamDictionary& aStreamDict); // returns current size in twips
       
    68 private:
       
    69 	IMPORT_C virtual void CApaDoorBase_Reserved1();
       
    70 	IMPORT_C virtual void CApaDoorBase_Reserved2();
       
    71 protected:
       
    72 	/** Returns the size of the glass door, in twips.
       
    73 	
       
    74 	A concrete implementation of this function is provided by derived classes.
       
    75 	
       
    76 	@return The size of the glass door, in twips. 
       
    77 	
       
    78 	@publishedAll 
       
    79 	@released */
       
    80 	virtual TSize GlassDoorSize() const = 0;
       
    81 protected:
       
    82 	TFormat iFormat;
       
    83 	TUid iSource; // foreign representation of a translated door (eg MS Word doc)
       
    84 private:
       
    85 	TInt iCApaDoorBase_Spare1;
       
    86 	};
       
    87 
       
    88 //
       
    89 // inlines
       
    90 //
       
    91 
       
    92 /** Gets the current format of the representation of the embedded document.
       
    93 
       
    94 @return The format for the representation of the embedded document. */
       
    95 inline CApaDoorBase::TFormat CApaDoorBase::Format()const
       
    96 	{ return iFormat; }
       
    97 
       
    98 /** Gets the UID that identifies this door when the source originates on a non-Symbian 
       
    99 OS device.
       
   100 
       
   101 This is used by converters.
       
   102 
       
   103 @return The UID for the non-Symbian OS source. For a source that originates 
       
   104 on a Symbian OS phone, this is KNullUid. */
       
   105 inline TUid CApaDoorBase::Source()const
       
   106 	{ return iSource; }
       
   107 
       
   108 /** Sets the UID that identifies this door when the source originates on a non-Symbian 
       
   109 OS device.
       
   110 
       
   111 This is used by converters.
       
   112 
       
   113 @param aSource The UID for the non-Symbian OS source. For a source that originates 
       
   114 on a Symbian OS phone, this is KNullUid. */
       
   115 inline void CApaDoorBase::SetSource(TUid aSource)
       
   116 	{ iSource=aSource; }
       
   117 
       
   118 #endif	// __APADBASE_H__
       
   119 
       
   120