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1 /* |
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2 * Copyright (c) 2005-2007 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: Phonebook 2 command store. |
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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 // INCLUDE FILES |
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20 #include "CPbk2CommandStore.h" |
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21 #include "MPbk2CommandResourceRelease.h" |
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22 |
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23 // Phonebook 2 |
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24 #include <MPbk2Command.h> |
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25 #include <MPbk2MenuCommandObserver.h> |
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26 |
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27 // -------------------------------------------------------------------------- |
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28 // CPbk2CommandStore::CPbk2CommandStore |
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29 // -------------------------------------------------------------------------- |
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30 // |
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31 inline CPbk2CommandStore::CPbk2CommandStore() : |
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32 iInputBlocker( NULL ) |
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33 { |
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34 } |
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35 |
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36 // -------------------------------------------------------------------------- |
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37 // CPbk2CommandStore::~CPbk2CommandStore |
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38 // -------------------------------------------------------------------------- |
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39 // |
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40 CPbk2CommandStore::~CPbk2CommandStore() |
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41 { |
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42 iIdleDestructableCommands.Reset(); |
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43 iIdleDestructableCommands.Close(); |
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44 iCommandObservers.Reset(); |
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45 iCommandObservers.Close(); |
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46 iCommandArray.ResetAndDestroy(); |
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47 iCommandArray.Close(); |
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48 delete iIdleDestroyer; |
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49 delete iInputBlocker; |
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50 } |
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51 |
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52 // -------------------------------------------------------------------------- |
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53 // CPbk2CommandStore::NewL |
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54 // -------------------------------------------------------------------------- |
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55 // |
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56 EXPORT_C CPbk2CommandStore* CPbk2CommandStore::NewL() |
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57 { |
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58 CPbk2CommandStore* self = new ( ELeave ) CPbk2CommandStore; |
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59 CleanupStack::PushL( self ); |
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60 self->ConstructL(); |
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61 CleanupStack::Pop( self ); |
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62 return self; |
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63 } |
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64 |
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65 // -------------------------------------------------------------------------- |
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66 // CPbk2CommandStore::ConstructL |
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67 // -------------------------------------------------------------------------- |
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68 // |
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69 inline void CPbk2CommandStore::ConstructL() |
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70 { |
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71 iIdleDestroyer = CIdle::NewL( CActive::EPriorityIdle ); |
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72 } |
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73 |
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74 // -------------------------------------------------------------------------- |
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75 // CPbk2CommandStore::AddMenuCommandObserver |
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76 // -------------------------------------------------------------------------- |
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77 // |
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78 void CPbk2CommandStore::AddMenuCommandObserver |
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79 ( MPbk2MenuCommandObserver& aObserver ) |
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80 { |
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81 TRAP_IGNORE( iCommandObservers.AppendL( &aObserver ) ); |
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82 } |
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83 |
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84 |
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85 // -------------------------------------------------------------------------- |
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86 // CPbk2CommandStore::RemoveMenuCommandObserver |
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87 // -------------------------------------------------------------------------- |
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88 // |
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89 void CPbk2CommandStore::RemoveMenuCommandObserver |
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90 ( MPbk2MenuCommandObserver& aObserver ) |
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91 { |
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92 TInt index = iCommandObservers.Find( &aObserver ); |
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93 if ( index > KErrNotFound ) |
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94 { |
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95 iCommandObservers.Remove( index ); |
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96 } |
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97 } |
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98 |
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99 // -------------------------------------------------------------------------- |
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100 // CPbk2CommandStore::AddAndExecuteCommandL |
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101 // -------------------------------------------------------------------------- |
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102 // |
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103 EXPORT_C void CPbk2CommandStore::AddAndExecuteCommandL |
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104 ( MPbk2Command* aCommand ) |
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105 { |
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106 const TInt KEmpty( 0 ); |
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107 if ( aCommand ) |
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108 { |
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109 // If command array is empty, execute command. |
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110 // Otherwise delete command to avoid overlapping commands. |
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111 if ( iCommandArray.Count() == KEmpty ) |
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112 { |
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113 // Avoid user input during command execution |
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114 if( iInputBlocker ) |
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115 { |
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116 iInputBlocker->Cancel(); |
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117 } |
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118 iInputBlocker = CAknInputBlock::NewCancelHandlerLC( this ); |
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119 CleanupStack::Pop( iInputBlocker ); |
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120 iInputBlocker->SetCancelDelete( iInputBlocker ); |
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121 |
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122 // notify all command observers |
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123 for ( TInt i = 0; i < iCommandObservers.Count(); ++i ) |
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124 { |
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125 iCommandObservers[i]->PreCommandExecutionL( *aCommand ); |
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126 } |
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127 aCommand->AddObserver( *this ); |
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128 |
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129 // Some command observers needs always postcommand call, |
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130 // if ExecuteLD leaves |
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131 TRAPD( err, aCommand->ExecuteLD() ); |
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132 if ( err != KErrNone ) |
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133 { |
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134 for (TInt i = 0; i < iCommandObservers.Count(); ++i) |
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135 { |
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136 // ignore leave, we are leaving anyway after this |
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137 TRAP_IGNORE |
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138 ( iCommandObservers[i]->PostCommandExecutionL( *aCommand ) ); |
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139 } |
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140 |
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141 // stop user input blocker |
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142 if( iInputBlocker ) |
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143 { |
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144 iInputBlocker->Cancel(); |
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145 } |
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146 |
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147 User::Leave( err ); |
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148 } |
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149 User::LeaveIfError( iCommandArray.Append( aCommand ) ); |
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150 } |
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151 else |
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152 { |
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153 delete aCommand; |
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154 aCommand = NULL; |
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155 } |
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156 } |
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157 } |
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158 |
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159 // -------------------------------------------------------------------------- |
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160 // CPbk2CommandStore::CommandFinished |
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161 // -------------------------------------------------------------------------- |
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162 // |
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163 void CPbk2CommandStore::CommandFinished( const MPbk2Command& aCommand ) |
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164 { |
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165 // notify all command observers |
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166 for (TInt i = 0; i < iCommandObservers.Count(); ++i) |
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167 { |
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168 TRAP_IGNORE |
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169 ( iCommandObservers[i]->PostCommandExecutionL( aCommand ) ); |
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170 } |
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171 |
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172 // stop user input blocker |
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173 if( iInputBlocker ) |
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174 { |
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175 iInputBlocker->Cancel(); |
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176 } |
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177 |
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178 // Add command to the list of idle destroyable objects |
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179 iIdleDestructableCommands.Append( &aCommand ); |
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180 // Cancel any outstanding before starting new one. |
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181 iIdleDestroyer->Cancel(); |
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182 // Request idle destruction. If the append above failed, |
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183 // it doesn't matter. The command gets destructed then |
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184 // at the Phonebook exit, when this objects destructor |
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185 // deletes also commands in iCommandArray. |
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186 iIdleDestroyer->Start( TCallBack( |
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187 ( &CPbk2CommandStore::IdleDestructorCallback ),this ) ); |
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188 } |
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189 |
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190 // -------------------------------------------------------------------------- |
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191 // CPbk2CommandStore::AknInputBlockCancel |
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192 // -------------------------------------------------------------------------- |
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193 // |
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194 void CPbk2CommandStore::AknInputBlockCancel() |
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195 { |
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196 iInputBlocker = NULL; |
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197 } |
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198 |
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199 |
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200 // -------------------------------------------------------------------------- |
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201 // CPbk2CommandStore::IdleDestructorCallback |
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202 // -------------------------------------------------------------------------- |
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203 // |
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204 TInt CPbk2CommandStore::IdleDestructorCallback( TAny* aSelf ) |
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205 { |
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206 CPbk2CommandStore* self = static_cast<CPbk2CommandStore*>( aSelf ); |
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207 self->IdleDestructor(); |
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208 return EFalse; |
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209 } |
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210 |
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211 // -------------------------------------------------------------------------- |
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212 // CPbk2CommandStore::IdleDestructor |
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213 // -------------------------------------------------------------------------- |
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214 // |
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215 void CPbk2CommandStore::IdleDestructor() |
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216 { |
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217 // Delete objects in idle destroyable array |
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218 for (TInt i = 0; i < iIdleDestructableCommands.Count(); ++i) |
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219 { |
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220 MPbk2Command* idleDestCmd = iIdleDestructableCommands[i]; |
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221 for (TInt j = iCommandArray.Count()-1; j >= 0; --j) |
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222 { |
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223 MPbk2Command* arrayCmd = iCommandArray[j]; |
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224 if (idleDestCmd == arrayCmd) |
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225 { |
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226 iIdleDestructableCommands.Remove(i); |
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227 |
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228 // Try to get MPbk2ResourceRelease interface. |
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229 TUid uid; |
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230 uid.iUid = MPbk2ResourceReleaseUID; |
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231 MPbk2ResourceRelease* release = static_cast<MPbk2ResourceRelease *>(idleDestCmd->CommandExtension(uid)); |
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232 if (release) |
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233 { |
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234 // Call ReleaseResource before delete. |
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235 release->ReleaseResource(); |
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236 } |
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237 |
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238 // Remove from command array |
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239 iCommandArray.Remove(j); |
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240 |
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241 delete idleDestCmd; |
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242 idleDestCmd = NULL; |
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243 |
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244 break; |
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245 } |
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246 } |
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247 } |
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248 } |
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249 |
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250 |
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251 // -------------------------------------------------------------------------- |
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252 // CPbk2CommandStore::DestroyAllCommands |
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253 // -------------------------------------------------------------------------- |
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254 // |
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255 void CPbk2CommandStore::DestroyAllCommands() |
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256 { |
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257 // Delete objects in idle commands array using CommandFinished |
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258 for (TInt i = 0; i < iCommandArray.Count(); ++i) |
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259 { |
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260 MPbk2Command* destCmd = iCommandArray[i]; |
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261 CommandFinished ( *destCmd ); |
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262 } |
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263 } |
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264 // End of File |