camerauis/cameraapp/generic/src/CamContextAwareSettingPage.cpp
branchRCL_3
changeset 24 bac7acad7cb3
parent 0 1ddebce53859
equal deleted inserted replaced
23:61bc0f252b2b 24:bac7acad7cb3
       
     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:  Setting page for CAknEnumeratedItems.*
       
    15 */
       
    16 
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include <AknSettingItemList.h>
       
    21 #include "CamContextAwareSettingPage.h"
       
    22 #include "CamAppController.h"
       
    23 #include "CamAppUiBase.h"
       
    24 #include "camlogging.h"
       
    25 
       
    26 // CONSTANTS
       
    27 
       
    28 
       
    29 // ============================ MEMBER FUNCTIONS ===============================
       
    30 // ---------------------------------------------------------------------------
       
    31 // CCamContextAwareSettingPage::CCamContextAwareSettingPage
       
    32 // C++ constructor
       
    33 // ---------------------------------------------------------------------------
       
    34 //
       
    35 CCamContextAwareSettingPage::CCamContextAwareSettingPage( 
       
    36     const TDesC* aSettingText, 
       
    37     TInt aSettingNumber, 
       
    38     TInt aControlType,
       
    39     TInt aEditorResourceId, 
       
    40     TInt aSettingPageResourceId, 
       
    41     MAknQueryValue& aQueryValue,
       
    42     CAknEnumeratedTextPopupSettingItem& aParent,
       
    43     CCamAppController& aController )
       
    44     : CAknPopupSettingPage( aSettingText, aSettingNumber, aControlType,
       
    45     aEditorResourceId, aSettingPageResourceId, aQueryValue ), 
       
    46     iParent( aParent ), iController( aController )
       
    47     {
       
    48     }
       
    49 
       
    50 /**
       
    51 * Destructor
       
    52 */
       
    53 CCamContextAwareSettingPage::~CCamContextAwareSettingPage()
       
    54   {
       
    55   PRINT( _L("Camera => ~CCamContextAwareSettingPage") );
       
    56   if ( iTimer )
       
    57     {
       
    58     iTimer->Cancel();
       
    59     delete iTimer;
       
    60     }
       
    61 
       
    62 	TRAP_IGNORE( iController.CancelPreviewChangesL() );
       
    63   PRINT( _L("Camera <= ~CCamContextAwareSettingPage") );
       
    64   }
       
    65 
       
    66 // ---------------------------------------------------------------------------
       
    67 // CCamContextAwareSettingPage::ConstructL
       
    68 // Construct the setting page
       
    69 // ---------------------------------------------------------------------------
       
    70 //
       
    71 void CCamContextAwareSettingPage::ConstructL()
       
    72 	{
       
    73     CAknPopupSettingPage::ConstructL();
       
    74     // create the timer used for callbacks
       
    75     iTimer = CPeriodic::NewL( CActive::EPriorityStandard );
       
    76 	}
       
    77 
       
    78 // ---------------------------------------------------------------------------
       
    79 // CCamContextAwareSettingPage::PostDisplayCheckL
       
    80 // Pushes the navicounter onto the navipane, and then calls the base class
       
    81 // PostDisplayCheckL()
       
    82 // ---------------------------------------------------------------------------
       
    83 //
       
    84 TBool CCamContextAwareSettingPage::PostDisplayCheckL()
       
    85     {
       
    86     // This appears to be the best place to push the navicounter,
       
    87     // so that it overwrites the navipane created by the 
       
    88     // CAknSettinPage::ExecuteLD()
       
    89     CCamAppUiBase* appUi = (CCamAppUiBase*)iEikonEnv->EikAppUi();
       
    90     appUi->PushNaviPaneCounterL();
       
    91 
       
    92     return CAknPopupSettingPage::PostDisplayCheckL();
       
    93     }
       
    94 
       
    95 // ---------------------------------------------------------------------------
       
    96 // CCamContextAwareSettingPage::UpdateSettingL
       
    97 // Called when the state of the list box changes.
       
    98 // ---------------------------------------------------------------------------
       
    99 //
       
   100 void CCamContextAwareSettingPage::UpdateSettingL()
       
   101     {
       
   102     // Determine whether the currently highlighted list item
       
   103     // is enabled or not, and update the cba.
       
   104     // ...Get the current list item index.
       
   105     TInt currentIndex = ListBoxControl()->View()->CurrentItemIndex();
       
   106     // ...Dertemine the settings model id associated with the current
       
   107     // ...list item.
       
   108     iCurrentVal = iParent.EnumeratedTextArray()->
       
   109         At( currentIndex )->EnumerationValue();
       
   110     // ...Determine whether the settings model value is enabled or disabled.
       
   111     TBool settingValueEnabled = 
       
   112         iController.SettingValueEnabled( iParent.Identifier(), iCurrentVal );
       
   113     // ...Inform the base setting page class, and update the cba
       
   114 	SetDataValidity( settingValueEnabled );
       
   115 	UpdateCbaL();
       
   116 
       
   117     // If the list item is enabled update the navi-pane to 
       
   118     // let the user know how this item would affect the available photo
       
   119     // counter.
       
   120     if ( settingValueEnabled )
       
   121         {
       
   122         if ( iTimer->IsActive() )
       
   123             {
       
   124             iTimer->Cancel();
       
   125             }
       
   126         iTimer->Start( 0, 0,  TCallBack( PreviewSettingChange, this ) );
       
   127         }
       
   128     }
       
   129 
       
   130 // ---------------------------------------------------------------------------
       
   131 // CCamContextAwareSettingPage::ProcessCommandL
       
   132 // Processes events from the softkeys.
       
   133 // ---------------------------------------------------------------------------
       
   134 //
       
   135 void CCamContextAwareSettingPage::ProcessCommandL(TInt aCommandId)
       
   136 	{
       
   137 	HideMenu();
       
   138 
       
   139 	// Respond to softkey events
       
   140 	switch (aCommandId)
       
   141 		{
       
   142 		case EAknSoftkeyOk:
       
   143 		case EAknSoftkeySelect:  
       
   144 			SelectCurrentItemL(); // has non-trivial implementations in listbox type 
       
   145 										// controls to put the selection on the current item
       
   146 			AttemptExitL( ETrue );
       
   147             iController.CommitPreviewChanges();
       
   148 			break;
       
   149 		case EAknSoftkeyCancel:
       
   150 			AttemptExitL( EFalse );
       
   151             iController.CancelPreviewChangesL();
       
   152 			break;
       
   153 		default:
       
   154 			break;
       
   155 		}
       
   156 	}
       
   157 
       
   158 // ---------------------------------------------------------------------------
       
   159 // CCamContextAwareSettingPage::PreviewSettingChangeL
       
   160 // Previews the setting value
       
   161 // ---------------------------------------------------------------------------
       
   162 //
       
   163 TInt CCamContextAwareSettingPage::PreviewSettingChange( TAny* aAny )
       
   164     {
       
   165     CCamContextAwareSettingPage* settingPage = 
       
   166         static_cast<CCamContextAwareSettingPage*>( aAny );
       
   167 
       
   168     // preview the setting value - will 
       
   169     // update the engine and the navi couner
       
   170     TRAPD( ignore, settingPage->iController.PreviewSettingChangeL( 
       
   171         settingPage->iParent.Identifier(), settingPage->iCurrentVal ) );
       
   172 
       
   173 	if(ignore)
       
   174 		{
       
   175 		// Lint error removal
       
   176 		}
       
   177 
       
   178     // cancel the timer
       
   179     settingPage->iTimer->Cancel();
       
   180 
       
   181     return KErrNone;
       
   182     }