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1 // Copyright (c) 2006-2009 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 // GFXTRANSEFFECT.CPP |
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15 // |
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16 // |
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17 |
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18 #include "PolicyHandler.h" |
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19 #include "GfxTransUtils.h" |
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20 |
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21 //--------------------------------- |
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22 // construct/destruct |
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23 //--------------------------------- |
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24 |
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25 CPolicyHandler::CPolicyHandler() |
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26 { |
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27 |
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28 } |
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29 |
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30 CPolicyHandler::~CPolicyHandler() |
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31 { |
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32 iPolicies.ResetAndDestroy(); |
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33 iPolicies.Close(); |
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34 } |
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35 |
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36 |
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37 //--------------------------------- |
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38 // get/set policies |
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39 //--------------------------------- |
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40 |
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41 TPolicy CPolicyHandler::GetPolicy(TUid aUid, TUint aAction) |
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42 { |
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43 TInt cpIdx = FindControlPolicy(aUid); |
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44 if(IsValidIndex(cpIdx)) |
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45 { |
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46 TInt apIdx = FindActionPolicy(iPolicies[cpIdx], aAction); |
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47 if(IsValidIndex(apIdx)) |
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48 { |
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49 return iPolicies[cpIdx]->iActions[apIdx].iPolicy; |
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50 } |
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51 } |
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52 return ENotSupported; |
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53 } |
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54 |
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55 void CPolicyHandler::UpdatePolicy(TUid aUid, TUint aAction, TPolicy aPolicy) |
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56 { |
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57 TInt const cpIdx = FindControlPolicy(aUid); |
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58 if(IsValidIndex(cpIdx)) |
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59 { |
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60 CControlPolicy *policy = iPolicies[cpIdx]; |
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61 |
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62 TInt apIdx = FindActionPolicy(policy, aAction); |
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63 if(IsValidIndex(apIdx)) |
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64 { |
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65 if(aPolicy == ENotSupported) |
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66 { //remove current existing policy |
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67 policy->iActions.Remove(apIdx); |
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68 if(policy->iActions.Count() == 0) |
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69 { |
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70 iPolicies.Remove(cpIdx); |
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71 delete policy; |
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72 } |
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73 } |
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74 else |
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75 { |
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76 //change the policy |
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77 policy->iActions[apIdx].iPolicy = aPolicy; |
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78 } |
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79 return; |
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80 } |
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81 if(aPolicy == ENotSupported) |
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82 { |
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83 //already not existing so do nothing |
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84 return; |
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85 } |
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86 else |
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87 { |
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88 //create the action policy |
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89 TActionPolicy actionPolicy; |
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90 actionPolicy.iAction = aAction; |
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91 actionPolicy.iPolicy = aPolicy; |
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92 policy->iActions.Append(actionPolicy); //nothing to do if we fail |
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93 return; |
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94 } |
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95 } |
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96 if(aPolicy == ENotSupported) |
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97 { |
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98 //already not existing so do nothing |
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99 return; |
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100 } |
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101 else |
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102 { |
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103 //Create the policy |
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104 CControlPolicy* policy = new CControlPolicy(); |
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105 if(!policy) |
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106 return; //nothing to do if we fail |
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107 policy->iUid = aUid; |
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108 TActionPolicy actionPolicy; |
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109 actionPolicy.iAction = aAction; |
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110 actionPolicy.iPolicy = aPolicy; |
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111 if(KErrNone != policy->iActions.Append(actionPolicy)) |
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112 { |
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113 delete policy; |
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114 return; |
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115 } |
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116 if(KErrNone != iPolicies.Append(policy)) |
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117 { |
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118 delete policy; |
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119 return; //nothing to do if we fail |
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120 } |
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121 } |
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122 } |
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123 |
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124 void CPolicyHandler::SetTransitionPolicies(TControlPolicy* aPolicies, TInt aNum) |
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125 { |
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126 iPolicies.ResetAndDestroy(); |
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127 for(TInt i = 0;i < aNum; i++) |
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128 { |
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129 UpdatePolicy(aPolicies[i].iId, aPolicies[i].iAction, aPolicies[i].iPolicy); |
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130 } |
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131 delete aPolicies; |
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132 } |
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133 |
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134 |
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135 |
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136 //--------------------------------- |
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137 // find functions |
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138 //--------------------------------- |
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139 TInt CPolicyHandler::FindControlPolicy(TUid aUid) |
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140 { |
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141 TInt count = iPolicies.Count(); |
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142 for(TInt i = 0; i < count; i++) |
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143 { |
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144 if(iPolicies[i]->iUid == aUid) |
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145 { |
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146 return i; |
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147 } |
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148 } |
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149 return KErrNotFound; |
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150 } |
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151 |
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152 TInt CPolicyHandler::FindActionPolicy(CControlPolicy* aControlPolicy, TUint aAction) |
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153 { |
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154 TInt count = aControlPolicy->iActions.Count(); |
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155 for(TInt i = 0; i < count; i++) |
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156 { |
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157 if(aControlPolicy->iActions[i].iAction == aAction) |
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158 { |
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159 return i; |
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160 } |
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161 } |
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162 return KErrNotFound; |
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163 } |
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164 |
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165 |