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1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "CSignalInfo.h" |
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17 |
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18 /** |
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19 Factory constructor. |
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20 |
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21 @param aController Pointer to MExecAsync object passed to constructor of |
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22 CISVAPIBase |
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23 @return Instance of CSignalInfo class |
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24 */ |
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25 CSignalInfo* CSignalInfo::NewL(MExecAsync* aController) |
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26 { |
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27 CSignalInfo* self = new(ELeave) CSignalInfo(aController); |
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28 CleanupStack::PushL(self); |
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29 self->ConstructL(); |
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30 CleanupStack::Pop(self); |
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31 return self; |
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32 } |
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33 |
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34 /** |
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35 Destructor. |
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36 Cancels outstanding requests. |
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37 */ |
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38 CSignalInfo::~CSignalInfo() |
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39 { |
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40 Cancel(); |
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41 } |
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42 |
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43 /** |
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44 Gets the signal strength and stores it in the iSignalStrengthV1Pckg package. |
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45 */ |
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46 void CSignalInfo::DoStartRequestL() |
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47 { |
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48 _LIT(KDummyAnswerPanic, "CSignalInfo Get Method"); |
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49 __ASSERT_ALWAYS(!IsActive(), User::Panic(KDummyAnswerPanic, 1)); |
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50 iRequestNotify = EFalse; |
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51 |
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52 // Retrieves the phone's current signal strength via the aDes argument. |
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53 iTelephony->GetSignalStrength(iStatus, iSignalStrengthV1Pckg); |
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54 SetActive(); |
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55 } |
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56 |
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57 /** |
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58 Constructor. |
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59 |
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60 @param aController Pointer to an MExecAsync object passed to constructor of |
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61 CISVAPIBase |
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62 */ |
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63 CSignalInfo::CSignalInfo(MExecAsync* aController) |
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64 : CISVAPIAsync(aController, KSignalInfo), |
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65 iSignalStrengthV1Pckg(iSignalStrengthV1) |
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66 { |
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67 // Empty method |
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68 } |
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69 |
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70 /** |
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71 Second phase constructor. |
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72 */ |
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73 void CSignalInfo::ConstructL() |
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74 { |
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75 // Empty method |
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76 } |
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77 |
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78 /** |
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79 Checks the status of the active object and prints the signal strength (in bars) |
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80 to the console if there is no error. |
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81 */ |
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82 void CSignalInfo::RunL() |
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83 { |
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84 if(iStatus != KErrNone) |
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85 { |
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86 iConsole->Printf(KError); |
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87 |
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88 // Print the error status code |
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89 iConsole->Printf(_L("%d\n"), iStatus.Int()); |
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90 } |
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91 else |
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92 { |
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93 TInt32 strength = iSignalStrengthV1.iSignalStrength; |
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94 TInt8 bars = iSignalStrengthV1.iBar; |
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95 if (iRequestNotify) |
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96 { |
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97 iConsole->ClearScreen(); |
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98 iConsole->Printf(_L("~*THIS IS A NOTIFICATION*~\n")); |
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99 } |
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100 iConsole->Printf(KSignalStrengthMsg); |
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101 iConsole->Printf(_L("There are %d bars!\n"), bars); |
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102 iConsole->Printf(_L("Signal Strength is %d!\n"), strength); |
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103 if (iRequestNotify) |
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104 { |
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105 DoRequestNotificationL(); |
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106 } |
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107 else |
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108 { |
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109 ExampleComplete(); |
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110 } |
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111 } |
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112 } |
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113 |
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114 /** |
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115 Requests to receive notifications of change in the signal strength. |
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116 */ |
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117 void CSignalInfo::DoRequestNotificationL() |
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118 { |
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119 // Panic if this object is already performing an asynchronous operation. |
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120 // Application will panic if you call SetActive() on an already active object. |
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121 _LIT( KNotifyPanic, "CSignalInfo Notify Method" ); |
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122 __ASSERT_ALWAYS( !IsActive(), User::Panic( KNotifyPanic, 1 )); |
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123 iRequestNotify = ETrue; |
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124 |
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125 // Registers interest in receiving change notifications for events. |
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126 iTelephony->NotifyChange( iStatus, |
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127 CTelephony::ESignalStrengthChange, |
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128 iSignalStrengthV1Pckg ); |
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129 SetActive(); |
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130 } |
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131 |
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132 /** |
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133 Cancels asynchronous request to CTelephony::GetSignalStrength(). |
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134 */ |
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135 void CSignalInfo::DoCancel() |
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136 { |
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137 // Cancels an outstanding asynchronous request. |
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138 iTelephony->CancelAsync(CTelephony::ESignalStrengthChangeCancel); |
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139 } |