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1 // Copyright (c) 1996-2009 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 the License "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 // e32\ewsrv\ky_capt.cpp |
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15 // Provides the operations of setting and cancelling capture-keys |
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16 // |
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17 // |
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18 |
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19 #include <e32svr.h> |
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20 #include <k32keys.h> |
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21 |
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22 const TInt KCaptureKeyArrayGranularity=5; |
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23 |
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24 EXPORT_C CCaptureKeys::CCaptureKeys() |
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25 : iCKarray(KCaptureKeyArrayGranularity, _FOFF(TCaptureKey,iHandle)) |
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26 { |
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27 } |
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28 |
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29 EXPORT_C void CCaptureKeys::Construct() |
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30 // |
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31 // |
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32 // |
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33 { |
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34 } |
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35 |
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36 EXPORT_C CCaptureKeys::~CCaptureKeys() |
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37 // |
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38 // Destructor |
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39 // |
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40 { |
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41 iCKarray.Close(); |
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42 } |
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43 |
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44 void CCaptureKeys::CheckCaptureKey(const TCaptureKey& aCaptureKey) |
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45 { |
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46 |
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47 if ((aCaptureKey.iModifiers.iValue&~aCaptureKey.iModifiers.iMask)!=0) |
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48 User::Leave(KErrArgument); |
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49 } |
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50 |
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51 EXPORT_C void CCaptureKeys::AddCaptureKeyL(const TCaptureKey& aCaptureKey) |
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52 // |
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53 // Adds the specified capture-key to the list |
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54 // |
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55 { |
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56 |
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57 AddCaptureKeyL(aCaptureKey,0); |
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58 } |
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59 |
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60 EXPORT_C void CCaptureKeys::AddCaptureKeyL(const TCaptureKey& aCaptureKey, TUint8 aPriority) |
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61 // |
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62 // Adds the specified capture-key to the beginning of the list |
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63 // |
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64 { |
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65 |
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66 TCaptureKey captureKey(aCaptureKey); |
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67 captureKey.iKeyCodePattern.iFiller = aPriority;// Priority is stored in spare data member 'iFiller' |
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68 CheckCaptureKey(captureKey); |
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69 User::LeaveIfError(iCKarray.Insert(captureKey,0)); |
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70 } |
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71 |
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72 EXPORT_C void CCaptureKeys::SetCaptureKey(TUint32 aHandle, const TCaptureKey& aCaptureKey) |
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73 // |
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74 // Finds the first capture-key from the list that matches the handle and sets |
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75 // it to the new value. |
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76 // |
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77 { |
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78 |
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79 SetCaptureKey(aHandle,aCaptureKey,0); |
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80 } |
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81 |
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82 EXPORT_C void CCaptureKeys::SetCaptureKey(TUint32 aHandle, const TCaptureKey& aCaptureKey, TUint8 aPriority) |
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83 // |
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84 // Finds the first capture-key from the list that matches the handle and sets |
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85 // it to the new value. |
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86 // |
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87 { |
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88 |
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89 TCaptureKey captureKey(aCaptureKey); |
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90 captureKey.iKeyCodePattern.iFiller = aPriority;// Priority is stored in spare data member 'iFiller' |
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91 CheckCaptureKey(captureKey); |
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92 TCaptureKey ck; |
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93 ck.iHandle=aHandle; |
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94 TInt r=iCKarray.Find(ck); |
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95 if (r>=0) |
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96 iCKarray[r]=captureKey; |
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97 } |
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98 |
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99 void CCaptureKeys::removeCaptureKey(TUint aIndex) |
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100 // |
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101 // Removes the capture-key at the given aIndex from the list |
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102 // |
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103 { |
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104 |
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105 iCKarray.Remove(aIndex); |
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106 } |
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107 |
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108 EXPORT_C void CCaptureKeys::CancelCaptureKey(TUint32 aHandle) |
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109 // |
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110 // Removes the first capture-key from the list that matches the handle; |
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111 // |
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112 { |
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113 |
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114 TCaptureKey ck; |
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115 ck.iHandle=aHandle; |
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116 TInt r=iCKarray.Find(ck); |
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117 if (r>=0) |
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118 iCKarray.Remove(r); |
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119 } |
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120 |
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121 EXPORT_C void CCaptureKeys::CancelAllCaptureKeys(TUint32 aApp) |
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122 // |
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123 // Removes all capture-keys from the list that match the given application handle |
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124 // |
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125 { |
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126 |
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127 TInt i=iCKarray.Count(); |
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128 while(--i>=0) |
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129 { |
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130 if (iCKarray[i].iApp==aApp) |
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131 iCKarray.Remove(i); |
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132 } |
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133 } |
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134 |
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135 EXPORT_C void CCaptureKeys::ProcessCaptureKeys(TKeyData& aKeyData) const |
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136 // |
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137 // Sets aKeyData.iIsCaptureKey to true if the given aKeyCode match a capture-key in the list |
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138 // and sets aKeyData.iApp to the handle of the last application that set it; |
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139 // otherwise sets aKeyData.iIsCaptureKey to false and aKeyData.iApp to 0. |
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140 // |
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141 { |
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142 |
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143 TCharExtended ch=aKeyData.iKeyCode; |
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144 aKeyData.iIsCaptureKey=EFalse; |
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145 aKeyData.iApp = 0x0; |
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146 TInt c=iCKarray.Count(); |
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147 TInt i; |
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148 TInt priority=KMinTInt; |
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149 for (i=0; i<c; i++) |
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150 { |
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151 const TCaptureKey& ck=iCKarray[i]; |
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152 if ( ch.MatchesPattern(ck.iKeyCodePattern) && MatchesMaskedValue(aKeyData.iModifiers, ck.iModifiers) ) |
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153 { |
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154 if(ck.iKeyCodePattern.iFiller>priority) |
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155 { |
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156 priority=ck.iKeyCodePattern.iFiller; |
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157 aKeyData.iApp=ck.iApp; |
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158 aKeyData.iHandle=ck.iHandle; |
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159 aKeyData.iIsCaptureKey=ETrue; |
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160 } |
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161 } |
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162 } |
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163 } |
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164 |