photosgallery/viewframework/views/cloudview/inc/glxinfobubble.h
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     1 /*
       
     2 * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:    Info Bubble Implementation
       
    15  *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #ifndef C__GLXINFOBUBBLE_H__
       
    22 #define C__GLXINFOBUBBLE_H__
       
    23 
       
    24 //Includes
       
    25 
       
    26 #include <alf/alfcontrol.h>  //base class for Alf control
       
    27 #include <alf/alfimage.h>  //for TAlfImage
       
    28 #include <mglxskinchangeobserver.h> //for interface MGlxSkinChangeObserver
       
    29 #include <glxmedia.h>
       
    30 
       
    31 #include <mglxtextureobserver.h>
       
    32 
       
    33 //Forward Declaration
       
    34 class CGlxUiUtility;
       
    35 class CAlfAnchorLayout;
       
    36 class CAlfBorderBrush;
       
    37 class CAlfDeckLayout;
       
    38 class CAlfTexture;
       
    39 class CAlfImageVisual;
       
    40 class CAlfTextVisual;
       
    41 
       
    42 /**
       
    43  * CGlxInfoBubble is a common calss based on Alf Control.
       
    44  *It draws a bitmap and two lines on text.
       
    45  *It has a position logic of its own.
       
    46  */
       
    47 class CGlxInfoBubble : public CAlfControl,public MGlxSkinChangeObserver,
       
    48     public MGlxTextureObserver
       
    49 	{
       
    50 public:
       
    51 
       
    52 	/* Constructors. */
       
    53 
       
    54 	/** 	
       
    55 	 *  @Default c++ contructor
       
    56 	 *  @since S60 3.2
       
    57 	 *  Perform the two phase construction
       
    58 	 *  @param aEnv - Env Variable of Alf
       
    59 	 */
       
    60 	IMPORT_C CGlxInfoBubble();
       
    61 
       
    62 	/** 	
       
    63 	 *  @function ConstructL
       
    64 	 *  @since S60 3.2
       
    65 	 *  Perform the two phase construction
       
    66 	 *  @param aOwnerControl - Owner control which will be the parent of Infobubble
       
    67 	 *  @param aEnv - Env Variable of Alf
       
    68 	 */
       
    69 	IMPORT_C void BaseConstructL(CAlfControl &aOwnerControl, CAlfEnv &aEnv);
       
    70 	
       
    71 	/**
       
    72 	 * Destructor.
       
    73 	 */
       
    74 	IMPORT_C virtual ~CGlxInfoBubble();
       
    75 
       
    76 protected:
       
    77 
       
    78 	/** 	
       
    79 	 *  @function DisplayBubbleL
       
    80 	 *  @since S60 3.2
       
    81 	 *  @param aPos - Position of Visual for which InfoBubble will be shown
       
    82 	 *  @param aTexture - Thumbnail texture associated with an item
       
    83 	 *  @param aTitle - title of a tag
       
    84 	 *  @param aSubTitle - subtitle of a tag
       
    85 	 */	
       
    86 	IMPORT_C void DisplayBubbleL(TPoint aPos, CAlfTexture& aTexture,
       
    87     	const TDesC& aTitle, const TDesC& aSubTitle);	
       
    88 	
       
    89 	/** 	
       
    90 	 *  @function UpdateTextureL
       
    91 	 *  @since S60 3.2
       
    92 	 *  @param aTexture - AlfTexture associated with an item thumbnail
       
    93 	 */
       
    94 	IMPORT_C void UpdateTextureL(CAlfTexture& aTexture);
       
    95 	
       
    96 	
       
    97 	/** 	
       
    98 	 *  @function DisapperBubble
       
    99 	 *  Animates when bubble becomes out of context
       
   100 	 *  @since S60 3.2
       
   101 	 */
       
   102 	IMPORT_C void DisappearBubble();
       
   103 	
       
   104 	/** 	
       
   105 	 *  @function CreateThumbnailTextureL
       
   106 	 *  creates the thumbnailtexture
       
   107 	 *  @param aMedia,media
       
   108 	 *  @param aIdSpaceId,Id-space identifier
       
   109 	 *  @param aSize,thumbnail size
       
   110 	 */
       
   111 	IMPORT_C CAlfTexture& CreateThumbnailTextureL(const TGlxMedia& aMedia,
       
   112         const TGlxIdSpaceId& aIdSpaceId,const TSize& aSize);
       
   113         
       
   114     /** 	
       
   115 	 *  @function ResetImage()
       
   116 	 *  Resets the image 	 
       
   117 	 */       
       
   118     IMPORT_C void ResetImage();
       
   119 
       
   120 private: // From MGlxTextureObserver
       
   121     void TextureContentChangedL( TBool aHasContent, CAlfTexture* aNewTexture );
       
   122 
       
   123 private:
       
   124 
       
   125 	/**   
       
   126 	 *  @function DrawBubbleFirstQuad
       
   127 	 *  @since S60 3.2
       
   128 	 *  @param aReferencepos - reference postion for tail
       
   129 	 *  @param aQuadrantId - determines the bubble type
       
   130 	 */
       
   131 	void DrawBubbleFirstQuadL(TPoint aReferencepos);
       
   132 	
       
   133 	
       
   134 	/**   
       
   135 	 *  @function DrawBubbleSecondQuad
       
   136 	 *  @since S60 3.2
       
   137 	 *  @param aReferencepos - reference postion for tail
       
   138 	 *  @param aQuadrantId - determines the bubble type
       
   139 	 */
       
   140 	void DrawBubbleSecondQuadL(TPoint aReferencepos);
       
   141 	
       
   142 	
       
   143 	/**   
       
   144 	 *  @function DrawBubbleThirdQuad
       
   145 	 *  @since S60 3.2
       
   146 	 *  @param aReferencepos - reference postion for tail
       
   147 	 *  @param aQuadrantId - determines the bubble type
       
   148 	 */
       
   149 	void DrawBubbleThirdQuadL(TPoint aReferencepos);
       
   150 	
       
   151 
       
   152 	/**   
       
   153 	 *  @function DrawBubbleFourthQuad
       
   154 	 *  @since S60 3.2
       
   155 	 *  @param aReferencepos - reference postion for tail
       
   156 	 *  @param aQuadrantId - determines the bubble type
       
   157 	 */
       
   158 	void DrawBubbleFourthQuadL(TPoint aReferencepos);
       
   159 	
       
   160 	
       
   161 	/**   
       
   162 	 *  @function DrawBubbleLeftComponent
       
   163 	 *  @since S60 3.2
       
   164 	 */
       
   165 	void DrawBubbleLeftComponentL();
       
   166 	
       
   167 	
       
   168 	/**   
       
   169 	 *  @function DrawBubbleRightComponent
       
   170 	 *  @since S60 3.2
       
   171 	 */
       
   172 	void DrawBubbleRightComponentL();
       
   173 	
       
   174 	
       
   175 	/**   
       
   176 	 *  @function DrawBubbleExtemsibleComponent
       
   177 	 *  @since S60 3.2
       
   178 	 *  @param aQuadrantId - determines the bubble type
       
   179 	 */
       
   180 	void DrawBubbleExtensibleComponentL(TInt aSlots);
       
   181 	
       
   182 	
       
   183 	/**   
       
   184 	 *  @function DrawBubbleTailComponent()
       
   185 	 *  @since S60 3.2
       
   186 	 */
       
   187 	void DrawBubbleTailComponentL();
       
   188 	
       
   189 	
       
   190 	/**   
       
   191 	 *  @function ResetBubbleComponent()
       
   192 	 *  @since S60 3.2
       
   193 	 */
       
   194 	void ResetBubbleComponent();
       
   195 	
       
   196 	
       
   197 	/**   
       
   198 	 *  @function LoadTailAssembly()
       
   199 	 *  @since S60 3.2
       
   200 	 */
       
   201 	void LoadTailAssemblyL(TInt aTailEnumId, TInt aTailStripEnumId);
       
   202 	
       
   203 	void CreateItemContainerLayoutL();
       
   204 	
       
   205 	void SetVariableVisualCountL();
       
   206 	
       
   207 	//from MGlxSkinChangeObserver
       
   208 	void HandleSkinChanged();
       
   209 	
       
   210     /**   
       
   211 	 *  @function SetThumbnailBorderColor()
       
   212 	 *  @since S60 3.2
       
   213 	 *  Sets the color for thumbnail border
       
   214 	 */
       
   215 	void SetThumbnailBorderColor();
       
   216 
       
   217 protected:
       
   218 	/**UI Utility  */
       
   219 	CGlxUiUtility* iUiUtility;
       
   220 	
       
   221 private:
       
   222 	//Enum for deciding the location of bubble
       
   223 	enum TGlxBubbleQuadrantFlags
       
   224 		{
       
   225 		EQuadrantFirst = 0,
       
   226 		EQuadrantSecond ,
       
   227 		EQuadrantThird,
       
   228 		EQuadrantFourth
       
   229 		};
       
   230 		
       
   231 	/**Anchor layout for Bubble container */
       
   232 	CAlfAnchorLayout *iInfoBubbleContainer;
       
   233 	
       
   234 	/**Anchor layout for Bubble */
       
   235 	CAlfAnchorLayout *iInfoBubble;
       
   236 	
       
   237 	/**deck layout which is base layout for Bubble */
       
   238 	CAlfDeckLayout *iInfoDeck;
       
   239 	
       
   240 	/**Visual for centre Image of Bubble */
       
   241 	CAlfImageVisual *iDeckCentreimage;
       
   242 	
       
   243 	/**Visual for first line of text in Bubble */
       
   244 	CAlfTextVisual *iBubbleTextTitle;
       
   245 	
       
   246 	/**Visual for second line of text in Bubble */
       
   247 	CAlfTextVisual *iBubbleTextSubTitle;
       
   248 	
       
   249 	/**Image variable of bubble components */
       
   250 	TAlfImage iImageThumb, iImageBubbleLeft, iImageBubbleRight;
       
   251 	TAlfImage iImageBubbleStrip, iImageBubbleExpand, iImageBubbleTail;
       
   252 			
       
   253 	/**Border brush */
       
   254 	CAlfBorderBrush *iThumbnailBorderBrush;
       
   255 	
       
   256 	/**Visual  array for expandable middle bubble component */
       
   257 	RPointerArray <CAlfImageVisual> iBubbleExpandStrip; //
       
   258 	
       
   259 	/**Visual for left arc of Bubble */
       
   260 	CAlfImageVisual *iBubbleLeft;
       
   261 	
       
   262 	/**Visual for rightarc of Bubble */
       
   263 	CAlfImageVisual *iBubbleRight;
       
   264 	
       
   265 	/**Visual for strip that connects to tail of Bubble */
       
   266 	CAlfImageVisual *iBubbleTailStrip;
       
   267 	
       
   268 	/**Visual for tail of Bubble */
       
   269 	CAlfImageVisual *iBubbleTail;
       
   270 	
       
   271 	/**number of times centre bubble image is needed */
       
   272 	TReal iRoudedSlotValue;
       
   273 	
       
   274 	/**flag to decide iInfoBubbleContainer position */
       
   275 	TInt iTailPositionUp;
       
   276 	
       
   277 	/**flag to indicate whether tail will be drawn on normal position or not */
       
   278 	TInt iTailNormalPosition;
       
   279 	
       
   280 	/**point from which the drawing of bubble will start */
       
   281 	TPoint iBubbleRectDrawPoint;
       
   282 	
       
   283 	/**Storing screen width */
       
   284 	TInt iScreenWidth;
       
   285 	
       
   286 	/** storing screen height*/
       
   287 	TInt iScreenHeight;
       
   288 	
       
   289 	/**offset for bubble drawing */
       
   290 	TInt iPositionOffset;
       
   291 	
       
   292 	/** Stores Size of bubble*/
       
   293 	TSize iBubbleSize;
       
   294 	
       
   295 	/**stores counter of bubble component drawn */
       
   296 	TInt iBubbleComponentCount;
       
   297 	
       
   298 	/**Increment variable for X axis */
       
   299 	TPoint iPos;
       
   300 	
       
   301 	TInt iBubbleXaxisInc;
       
   302 	
       
   303 	//mif file
       
   304 	TFileName iMifFile;
       
   305 	CAlfTexture *iTexture;
       
   306 
       
   307 	/**temporary object to store Bubble Text*/
       
   308 	CAlfTextVisual *iTempTitleText;
       
   309 	};
       
   310 
       
   311 #endif // C__GLXINFOBUBBLE_H__
       
   312