camerauis/cameraapp/generic/GsCamcorderPlugin/inc/GSCamQualitySettingContainer.h
changeset 19 d9aefe59d544
parent 3 8b2d6d0384b0
child 21 fa6d9f75d6a6
child 28 3075d9b614e6
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3:8b2d6d0384b0 19:d9aefe59d544
     1 /*
       
     2 * Copyright (c) 2007 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:  Implements the quality slider for image and video settings*
       
    15 */
       
    16 
       
    17 
       
    18 #ifndef GSCAMQUALITYSETTINGCONTAINER_H
       
    19 #define GSCAMQUALITYSETTINGCONTAINER_H
       
    20 
       
    21 //  INCLUDES
       
    22 #include <bldvariant.hrh>
       
    23 #include <coecntrl.h>
       
    24 #include <AknUtils.h>
       
    25 #include "CamSettingValueObserver.h"
       
    26 #include "GSCamQualitySettingSlider.h"
       
    27 #include "CamControllerObservers.h"
       
    28 
       
    29 // CONSTANTS
       
    30 const TInt KMaxTextLength = 40;
       
    31 
       
    32 // FORWARD DECLARATIONS
       
    33 class CCamCaptureSetupSlider;
       
    34 class MAknQueryValue;
       
    35 
       
    36 class CCamConfiguration;
       
    37 class MTouchFeedback;
       
    38 
       
    39 enum TCamCameraStateFlags
       
    40   {
       
    41   ECamIdle      =    0,
       
    42   ECamReserved  = 1<<0,
       
    43   ECamPowerOn   = 1<<1,
       
    44   ECamVFOn      = 1<<2,
       
    45   ECamImageOn   = 1<<3,
       
    46   ECamVideoOn   = 1<<4
       
    47 //  ECamCaptureOn = 1<<5
       
    48   };
       
    49 /**
       
    50 *  Implements the quality slider control and descriptive texts
       
    51 *
       
    52 *  @since 2.8
       
    53 */
       
    54 class CGSCamQualitySettingContainer : public CCoeControl,
       
    55                                       public MCamSettingValueObserver,
       
    56                                       public MCamControllerObserver
       
    57     {
       
    58     public:  // Constructors and destructor
       
    59         
       
    60         /**
       
    61         * Two-phased constructor.
       
    62         * @since 2.8
       
    63         * @param aController reference to the app controller
       
    64         * @param aMode the current capture mode
       
    65         * @param aParent this control's parent
       
    66         * @return pointer to a new quality container
       
    67         */
       
    68         static CGSCamQualitySettingContainer* NewL( MCamAppController& aController,
       
    69                                                     TCamCameraMode aMode,
       
    70                                                     CCoeControl* aParent );
       
    71         
       
    72         /**
       
    73         * Destructor.
       
    74         */
       
    75         virtual ~CGSCamQualitySettingContainer();
       
    76 
       
    77     public: // New functions
       
    78         
       
    79         /**
       
    80         * Returns the selected quality
       
    81         * @since 2.8
       
    82         * @return the selected quality
       
    83         */
       
    84         TInt SelectedQuality() const;
       
    85 
       
    86     public: // Functions from base classes
       
    87 
       
    88         /**
       
    89         * From CCoeControl 
       
    90         * Constructs the control from a resource
       
    91         * @since 2.8
       
    92         * @param aReader the resource reader
       
    93         */
       
    94         void ConstructFromResourceL( TResourceReader& aReader );
       
    95 
       
    96         /**
       
    97         * From CCoeControl
       
    98         * Standard CCoeControl routine to return the number of component controls
       
    99         * @since 2.8
       
   100         * @return the number of component controls
       
   101         */
       
   102 	    TInt CountComponentControls() const;
       
   103 
       
   104         /**
       
   105         * From CCoeControl
       
   106         * Standard CCoeControl routine to return the control at a given index
       
   107         * @since 2.8
       
   108         * @param anIndex index at which to return control
       
   109         * @return the control at the given index
       
   110         */ 
       
   111         CCoeControl* ComponentControl( TInt anIndex ) const;
       
   112 
       
   113         /**
       
   114         * From CCoeControl
       
   115         * Draws the controls
       
   116         * @since 2.8
       
   117         * @param aRect	the invlaid rect to draw
       
   118         */ 
       
   119         void Draw( const TRect& aRect ) const;
       
   120 
       
   121         /**
       
   122         * From CCoeControl
       
   123         * Called when the size of the control changes
       
   124         * @since 2.8
       
   125         */ 
       
   126         void SizeChanged();
       
   127 
       
   128         /**
       
   129         * From CCoeControl
       
   130         * Offers a key event to the control
       
   131         * @since 2.8
       
   132         * @param aKeyEvent the key event offered
       
   133         * @param aType the type key event
       
   134         * @return whether the key was handled
       
   135         */ 
       
   136         TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );
       
   137     
       
   138         /**
       
   139         * From MCamSettingValueObserver
       
   140         * Handles a change in the slider value
       
   141         * @since 2.8
       
   142         * @param aNewValue the new value of the setting
       
   143         */ 
       
   144         void HandleSettingValueUpdateL( TInt aNewValue );
       
   145 
       
   146     public: // From MCamControllerObserver
       
   147         /**
       
   148         * From MCamControllerObserver
       
   149         * Handles an event from the controller
       
   150         * @since 2.8
       
   151         * @param aEvent the event that the controller sends out
       
   152         * @param aError KErrNone if the operation that cause the event was successful
       
   153         */ 
       
   154         void HandleControllerEventL( TCamControllerEvent aEvent, TInt aError );
       
   155         
       
   156     protected:  // New functions
       
   157 
       
   158     protected:  // Functions from base classes
       
   159 
       
   160     private:
       
   161 
       
   162         /**
       
   163         * C++ default constructor.
       
   164         * @since 2.8
       
   165         * @param aController reference to the app controller
       
   166         * @param aMode the current capture mode
       
   167         * @param aParent this control's parent
       
   168         */
       
   169         CGSCamQualitySettingContainer( MCamAppController& aController,                                     
       
   170                                        TCamCameraMode aMode,
       
   171                                        CCoeControl* aParent );
       
   172 
       
   173         /**
       
   174         * By default Symbian 2nd phase constructor is private.
       
   175         * @since 2.8
       
   176         */
       
   177         void ConstructL();
       
   178 
       
   179         /**
       
   180         * Reads the layout from a resource file
       
   181         * @since 2.8
       
   182         */
       
   183         void ReadLayoutL();
       
   184 
       
   185         /**
       
   186         * Draws the quality description texts for image/video
       
   187         * @since 2.8
       
   188         * @param aGc The graphics context to draw to
       
   189         */
       
   190         void DrawQualityTexts( CWindowGc& aGc, TRgb aColor ) const;
       
   191 
       
   192         /**
       
   193         * Draws the storage icon for image/video
       
   194         * @since 2.8
       
   195         * @param aGc The graphics context to draw to
       
   196         */
       
   197         void DrawStorageIcon( CWindowGc& aGc ) const;
       
   198 
       
   199         /**
       
   200         * Draws the remaining image count/video time remaining
       
   201         * @since 2.8
       
   202         * @param aGc The graphics context to draw to
       
   203         */
       
   204         void DrawRemainingText( CWindowGc& aGc ) const;
       
   205 
       
   206         /**
       
   207         * Queries the controller to update the remaining time text
       
   208         * @since 2.8
       
   209         */
       
   210         void UpdateRemainingTextL();
       
   211 
       
   212         /**
       
   213         * Resets the remaing time/images text.
       
   214         */
       
   215         void ResetRemainingTextL();
       
   216         
       
   217         /**
       
   218         * Populates a text array from the resource definition of available
       
   219         * quality texts using the supported quality values
       
   220         * @since 3.0
       
   221         * @param aReader the resource reader with the array of available texts
       
   222         * @param aArray the array to populate
       
   223         */
       
   224         void ReadInTextArrayL( TResourceReader& aReader, CDesCArrayFlat& aArray );
       
   225                 
       
   226     public:     // Data
       
   227     
       
   228     protected:  // Data
       
   229 
       
   230     private:    // Data
       
   231         // the app controller interface
       
   232         MCamAppController& iController;
       
   233         
       
   234         // the parent control        
       
   235         CCoeControl* iParent;
       
   236         // the selected quality settings
       
   237         TInt iSelectedQuality;
       
   238         // phone storage location bitmap
       
   239         CFbsBitmap* iPhoneIcon;
       
   240         // phone storage location mask
       
   241         CFbsBitmap* iPhoneIconMask;
       
   242         // MMC storage location bitmap
       
   243         CFbsBitmap* iMMCIcon;
       
   244         // MMC storage location mask
       
   245         CFbsBitmap* iMMCIconMask;
       
   246         // mass storage storage location bitmap
       
   247         CFbsBitmap* iMassStorageIcon;
       
   248         // mass storage storage location mask
       
   249         CFbsBitmap* iMassStorageIconMask;
       
   250         // The text in the title pane
       
   251         HBufC* iTextTitle;
       
   252         // The subtitle text at top of page
       
   253         HBufC* iTextTopSubtitle;
       
   254         // The subtitle text at bottom of page
       
   255         HBufC* iTextBottomSubtitle;
       
   256         // The title for the remaining time text
       
   257         HBufC* iTextRemainingTitle;
       
   258         // The remaining count/time text
       
   259         TBuf<KMaxTextLength> iTextRemaining;
       
   260         // Format string for remaining time
       
   261         HBufC* iTimeFormat;
       
   262 
       
   263         // Array of all quality titles
       
   264         CDesCArrayFlat* iTitleArray;
       
   265         // Array of all quality descriptions
       
   266         CDesCArrayFlat* iDescArray;
       
   267         // Array of the enumeration mapping to the titles
       
   268         RArray<TInt> iEnumArray; 
       
   269         // Array of quality description lines
       
   270         CArrayFixFlat<TPtrC>* iCurrentDescLineArray;
       
   271         // The layout of the quality title
       
   272         TAknLayoutText iLayoutSettingTitle;
       
   273         // the layout for the rect containing all description text
       
   274         TAknLayoutRect iLayoutDescRect;
       
   275         // Array of layouts for each of the lines in the quality decription
       
   276         RArray<TAknLayoutText> iLayoutSettingDescLines;
       
   277         // The layout for the remaining title text
       
   278         TAknLayoutText iLayoutRemainingTitle;
       
   279         // The layout for the remaining images/video time
       
   280         TAknLayoutText iLayoutRemainingText;
       
   281         // The layout for the storage icon
       
   282         TAknLayoutRect iLayoutIcon;
       
   283         // The slider control
       
   284         CGSCamQualitySettingSlider* iSlider;
       
   285         // The current capture mode (video/still)
       
   286         TCamCameraMode iMode;
       
   287         // The current storage location
       
   288         TCamMediaStorage iStorageLocation;
       
   289 
       
   290         // Array of supported qualities
       
   291         RArray<TInt> iSupportedQualitiesArray;
       
   292         
       
   293         // ETrue if remaining video recording time for current video quality
       
   294         // is known, so remaining time and storage icon can be drawn.
       
   295         TBool iRemainingVideoTimeKnown;
       
   296         
       
   297         // Configuration Manager        
       
   298         CCamConfiguration* iConfiguration;
       
   299         
       
   300         MTouchFeedback* iFeedback; // not own
       
   301     };
       
   302 
       
   303 #endif      // GSCAMQUALITYSETTINGCONTAINER_H   
       
   304             
       
   305 // End of File