1 /*

     2 * Copyright (c) 2005 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:  Group for 3D audio controls

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include "cammsaudio3dcontrolgroup.h"

    21 

    22 // ============================ MEMBER FUNCTIONS ===============================

    23 

    24 // Destructor

    25 CAMMSAudio3DControlGroup::~CAMMSAudio3DControlGroup()

    26 {

    27 }

    28 

    29 // -----------------------------------------------------------------------------

    30 // CAMMSAudio3DControlGroup::UpdateL

    31 // Update the controls depending on commit mode

    32 // (other items were commented in a header).

    33 // -----------------------------------------------------------------------------

    34 void CAMMSAudio3DControlGroup::UpdateL(TInt aCommit)

    35 {

    36     // Add new variables that have to be committed to member variable.

    37     iCommit |= aCommit;

    38 

    39     if (iCommitMode == EImmediate)

    40     {

    41         // Commit new values, and remove them from the member variable.

    42         CommitL(aCommit);

    43         iCommit &= ~aCommit;

    44     }

    45 }

    46 

    47 // -----------------------------------------------------------------------------

    48 // CAMMSAudio3DControlGroup::SetModeL

    49 // Sets the mode of the CommitControl.

    50 // Can be called only from CAMMSCommitControlGroup

    51 // (other items were commented in a header).

    52 // -----------------------------------------------------------------------------

    53 void CAMMSAudio3DControlGroup::SetModeL(TCommitMode aMode)

    54 {

    55     // When switching back from the deferred mode to the immediate mode

    56     // (setDeferred(false)) all the pending parameters from the buffer are

    57     // transmitted to the audio processing system automatically.

    58     if (aMode == EImmediate)

    59     {

    60         CommitL(iCommit);

    61         iCommit = 0;

    62     }

    63     iCommitMode = aMode;

    64 }

    65 

    66 // -----------------------------------------------------------------------------

    67 // CAMMSAudio3DControlGroup::CommitGroupL

    68 // Commits all the controls in the group

    69 // (other items were commented in a header).

    70 // -----------------------------------------------------------------------------

    71 void CAMMSAudio3DControlGroup::CommitGroupL()

    72 {

    73     // In case the mode is changed to EImmediate in the middle of commit process,

    74     // SetModeL method is implemented so that it takes care of all pending

    75     // parameter committing.

    76     if (iCommitMode == EDeferred)

    77     {

    78         CommitL(iCommit);

    79         iCommit = 0;

    80     }

    81 }

    82 

    83 // -----------------------------------------------------------------------------

    84 // CAMMSAudio3DControlGroup::CAMMSAudio3DControlGroup

    85 // C++ default constructor can NOT contain any code, that

    86 // might leave.

    87 // (other items were commented in a header).

    88 // -----------------------------------------------------------------------------

    89 CAMMSAudio3DControlGroup::CAMMSAudio3DControlGroup(

    90     const TDesC& aName,

    91     TAMMSControlTypes aControlType) :

    92         CAMMSControlGroup(aName, aControlType)

    93 {

    94     // default values

    95     iCommitMode = EImmediate;

    96     iCommit = 0;

    97 }

    98 

    99 // -----------------------------------------------------------------------------

   100 // CAMMSAudio3DControlGroup::ConstructL

   101 // Symbian 2nd phase constructor can leave.

   102 // -----------------------------------------------------------------------------

   103 void CAMMSAudio3DControlGroup::ConstructL()

   104 {

   105     CAMMSControlGroup::ConstructL();

   106 }

   107 

   108 

   109