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1 /* |
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2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Buffered state of DTMF sending. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include "CVtEngDtmfState.h" |
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22 #include "VtEngPanic.h" |
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23 #include <cvtlogger.h> |
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24 |
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25 // CONSTANTS |
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26 const TInt KVtEngDtmfToneBufferSize = 2; |
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27 |
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28 // ============================ MEMBER FUNCTIONS =============================== |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CVtEngDtmfBuffered::NewL |
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32 // |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 CVtEngDtmfState* CVtEngDtmfBuffered::NewL( |
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36 MVtEngDtmfHandler& aDtmfHandler, |
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37 MVtH324ConfigCommand& aH324Config ) |
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38 { |
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39 CVtEngDtmfBuffered* self = new ( ELeave ) |
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40 CVtEngDtmfBuffered( aDtmfHandler, aH324Config ); |
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41 CleanupStack::PushL( self ); |
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42 self->ConstructL(); |
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43 CleanupStack::Pop(); // self |
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44 return self; |
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45 } |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // CVtEngDtmfBuffered::~CVtEngDtmfBuffered |
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49 // |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 CVtEngDtmfBuffered::~CVtEngDtmfBuffered() |
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53 { |
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54 delete iTones; |
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55 } |
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56 |
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57 // ----------------------------------------------------------------------------- |
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58 // CVtEngDtmfBuffered::SendDtmfL |
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59 // |
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60 // ----------------------------------------------------------------------------- |
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61 // |
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62 void CVtEngDtmfBuffered::SendDtmfL( const TVtEngDtmfTone& aTone ) |
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63 { |
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64 // just add to buffer and wait for completion of pending send operation. |
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65 iTones->AppendL( aTone ); |
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66 } |
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67 |
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68 // ----------------------------------------------------------------------------- |
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69 // CVtEngDtmfBuffered::DtmfSendCompleteL |
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70 // |
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71 // PSEUDO CODE: |
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72 // deallocate Protocol dtmf instance |
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73 // if ( previous_sending_OK ) |
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74 // if ( tones_in_buffer > 1 ) |
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75 // next_state = buffered |
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76 // else |
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77 // next_state = sending |
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78 // endif |
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79 // send tone from buffer and change state |
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80 // endif |
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81 // if ( previous_sending_FAIL or new_sending_FAIL ) |
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82 // reset buffer |
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83 // next_state = idle |
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84 // endif |
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85 // |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 void CVtEngDtmfBuffered::DtmfSendCompleteL( TInt aError ) |
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89 { |
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90 __VTPRINTENTER( "DtmfStateBuffered.DtmfSendCompleteL" ) |
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91 CVtEngDtmfState::DtmfSendCompleteL( aError ); |
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92 const TInt count( iTones->Count() ); |
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93 __VTPRINT2( DEBUG_MEDIA , "DtmfStateBuffered.Send bufSize=%d", count ) |
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94 |
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95 TInt index( KErrNone ); |
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96 if ( count && aError == KErrNone ) |
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97 { |
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98 __VTPRINT2( DEBUG_MEDIA , "DtmfStateBuffered cnt=%d", count ) |
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99 const TVtEngDtmfTone& tone = iTones->At( index ); |
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100 MVtEngDtmfHandler::TVtEngDtmfState nextState = ( count > 1 ) ? |
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101 MVtEngDtmfHandler::EVtDtmfStateBuffered : |
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102 MVtEngDtmfHandler::EVtDtmfStateSending; |
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103 TRAP( aError, DoSendAndActivateStateL( tone, nextState ) ); |
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104 iTones->Delete( index ); |
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105 } |
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106 |
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107 if ( aError != KErrNone ) |
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108 { |
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109 __VTPRINT2( DEBUG_MEDIA , "DtmfStateBuffered.failed=%d", aError ) |
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110 // if failed clear DTMF buffer and go to dtmf idle state |
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111 iTones->Reset(); |
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112 iDtmfHandler.ActivateState( MVtEngDtmfHandler::EVtDtmfStateIdle ); |
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113 } |
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114 __VTPRINTEXIT( "DtmfStateBuffered.DtmfSendCompleteL" ) |
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115 } |
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116 |
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117 |
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118 // ----------------------------------------------------------------------------- |
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119 // CVtEngDtmfBuffered::CVtEngDtmfBuffered |
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120 // |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 CVtEngDtmfBuffered::CVtEngDtmfBuffered( |
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124 MVtEngDtmfHandler& aDtmfHandler, |
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125 MVtH324ConfigCommand& aH324Config ) |
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126 : CVtEngDtmfState( aDtmfHandler, aH324Config) |
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127 { |
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128 } |
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129 |
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130 // ----------------------------------------------------------------------------- |
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131 // CVtEngDtmfBuffered::ConstructL |
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132 // |
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133 // ----------------------------------------------------------------------------- |
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134 // |
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135 void CVtEngDtmfBuffered::ConstructL() |
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136 { |
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137 iTones = new ( ELeave ) |
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138 CArrayFixFlat<TVtEngDtmfTone>( KVtEngDtmfToneBufferSize ); |
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139 } |
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140 |
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141 // End of File |