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1 // Copyright (c) 2000-2009 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 // HotKey user interface to the PC-sampling Profiler engine in E32utils |
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15 // |
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16 // |
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17 |
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18 #include <e32base.h> |
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19 #include <w32std.h> |
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20 #include <profiler.h> |
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21 |
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22 class CKeys : public CActive, private MProfilerController |
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23 { |
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24 class THotKey |
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25 { |
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26 enum {KAllModifiers = EModifierFunc|EModifierCtrl|EModifierShift}; |
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27 public: |
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28 inline THotKey() |
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29 :iCapture(-1) |
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30 {} |
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31 inline void CaptureL(RWindowGroup& aWg, TUint aKey) |
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32 {iCapture=User::LeaveIfError(aWg.CaptureKey(aKey,KAllModifiers,KAllModifiers));} |
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33 inline void Release(RWindowGroup& aWg) |
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34 {if (iCapture != -1) aWg.CancelCaptureKey(iCapture);} |
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35 private: |
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36 TInt32 iCapture; |
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37 }; |
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38 public: |
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39 IMPORT_C static MProfilerController* NewL(TInt aPriority, MProfilerEngine& aEngine); |
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40 private: |
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41 CKeys(TInt aPriority, MProfilerEngine& aEngine); |
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42 void ConstructL(); |
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43 ~CKeys(); |
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44 void Release(); |
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45 // |
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46 void Queue(); |
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47 // |
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48 void RunL(); |
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49 void DoCancel(); |
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50 // |
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51 private: |
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52 RWsSession iWs; |
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53 RWindowGroup iWg; |
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54 THotKey iStartKey; |
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55 THotKey iStopKey; |
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56 THotKey iCloseKey; |
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57 THotKey iUnloadKey; |
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58 THotKey iTestKey; |
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59 }; |
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60 |
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61 |
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62 |
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63 |
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64 EXPORT_C MProfilerController* CKeys::NewL(TInt aPriority, MProfilerEngine& aEngine) |
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65 { |
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66 CKeys* self = new(ELeave) CKeys(aPriority, aEngine); |
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67 CleanupStack::PushL(self); |
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68 self->ConstructL(); |
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69 CleanupStack::Pop(); |
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70 return self; |
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71 } |
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72 |
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73 CKeys::CKeys(TInt aPriority, MProfilerEngine& aEngine) |
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74 :CActive(aPriority), MProfilerController(aEngine) |
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75 { |
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76 CActiveScheduler::Add(this); |
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77 } |
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78 |
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79 void CKeys::ConstructL() |
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80 { |
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81 User::LeaveIfError(iWs.Connect()); |
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82 iWg = iWs; |
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83 User::LeaveIfError(iWg.Construct(0,EFalse)); |
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84 iWg.AutoForeground(EFalse); |
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85 iStartKey.CaptureL(iWg, '1'); |
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86 iStopKey.CaptureL(iWg, '2'); |
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87 iCloseKey.CaptureL(iWg, '3'); |
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88 iUnloadKey.CaptureL(iWg, '4'); |
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89 iTestKey.CaptureL(iWg, '0'); |
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90 Queue(); |
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91 } |
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92 |
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93 CKeys::~CKeys() |
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94 { |
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95 Cancel(); |
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96 iStartKey.Release(iWg); |
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97 iStopKey.Release(iWg); |
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98 iCloseKey.Release(iWg); |
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99 iUnloadKey.Release(iWg); |
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100 iTestKey.Release(iWg); |
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101 iWg.Close(); |
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102 iWs.Close(); |
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103 } |
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104 |
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105 void CKeys::Release() |
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106 { |
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107 delete this; |
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108 } |
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109 |
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110 void CKeys::Queue() |
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111 { |
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112 iWs.EventReady(&iStatus); |
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113 SetActive(); |
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114 } |
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115 |
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116 void CKeys::RunL() |
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117 { |
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118 TWsEvent ev; |
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119 iWs.GetEvent(ev); |
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120 if (ev.Type() == EEventKey) |
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121 { |
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122 switch (ev.Key()->iCode) |
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123 { |
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124 case '0': |
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125 { |
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126 _LIT(KTestPrint,"Profiler is "); |
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127 static const TText* const KStates[] = {_S("running"),_S("waiting"),_S("loaded"),_S("?")}; |
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128 TBuf<60> info(KTestPrint); |
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129 info.Append(TPtrC(KStates[GetState()])); |
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130 User::InfoPrint(info); |
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131 } |
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132 break; |
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133 case '1': |
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134 case '2': |
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135 case '3': |
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136 case '4': |
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137 Control(Profiler::TState(ev.Key()->iCode - '1')); |
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138 break; |
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139 } |
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140 } |
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141 Queue(); |
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142 } |
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143 |
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144 void CKeys::DoCancel() |
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145 { |
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146 iWs.EventReadyCancel(); |
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147 } |
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148 |
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149 |