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1 /* |
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2 * Copyright (c) 2008 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: Task monitor engine |
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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 "tsfswengine.h" |
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20 |
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21 #include "tsfswdatalist.h" |
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22 |
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23 |
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24 |
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25 |
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26 #include <apgtask.h> |
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27 #include <AknDef.h> |
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28 #include <apgwgnam.h> |
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29 #include <mmf/common/mmfcontrollerpluginresolver.h> // for CleanupResetAndDestroyPushL |
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30 #include <featmgr.h> |
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31 #include <swi/swispubsubdefs.h> |
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32 #include <s32mem.h> |
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33 #include <bitmaptransforms.h> |
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34 |
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35 // time to wait before refreshing content |
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36 const TInt KContentRefreshDelay = 50000; // 0.05 sec |
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37 |
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38 |
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39 // -------------------------------------------------------------------------- |
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40 // CTsFswEngine::NewL |
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41 // -------------------------------------------------------------------------- |
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42 // |
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43 CTsFswEngine* CTsFswEngine::NewL( MHsDataObserver& aObserver ) |
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44 { |
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45 CTsFswEngine* self = NewLC( aObserver ); |
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46 CleanupStack::Pop( self ); |
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47 return self; |
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48 } |
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49 |
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50 // -------------------------------------------------------------------------- |
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51 // CTsFswEngine::NewLC |
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52 // -------------------------------------------------------------------------- |
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53 // |
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54 CTsFswEngine* CTsFswEngine::NewLC( MHsDataObserver& aObserver ) |
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55 { |
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56 CTsFswEngine* self = new ( ELeave ) CTsFswEngine( aObserver ); |
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57 CleanupStack::PushL( self ); |
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58 self->ConstructL(); |
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59 return self; |
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60 } |
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61 |
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62 // -------------------------------------------------------------------------- |
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63 // CTsFswEngine::CTsFswEngine |
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64 // -------------------------------------------------------------------------- |
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65 // |
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66 CTsFswEngine::CTsFswEngine( MHsDataObserver& aObserver ) |
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67 :iObserver( aObserver ) |
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68 { |
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69 } |
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70 |
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71 // -------------------------------------------------------------------------- |
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72 // CTsFswEngine::ConstructL |
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73 // -------------------------------------------------------------------------- |
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74 // |
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75 void CTsFswEngine::ConstructL() |
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76 { |
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77 User::LeaveIfError( iWsSession.Connect() ); |
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78 User::LeaveIfError( iAppArcSession.Connect() ); |
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79 |
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80 iDataList = CTsFswDataList::NewL(*this); |
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81 |
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82 // get an initial list of tasks |
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83 iDataList->SetAppDataRefreshNeeded(); |
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84 CollectTasksL(); |
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85 |
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86 iUpdateStarter = CPeriodic::NewL( CActive::EPriorityStandard ); |
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87 } |
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88 |
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89 // -------------------------------------------------------------------------- |
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90 // CTsFswEngine::~CTsFswEngine |
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91 // -------------------------------------------------------------------------- |
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92 // |
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93 CTsFswEngine::~CTsFswEngine() |
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94 { |
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95 |
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96 delete iUpdateStarter; |
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97 |
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98 iWgIds.Close(); |
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99 |
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100 iAppArcSession.Close(); |
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101 iWsSession.Close(); |
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102 |
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103 delete iDataList; |
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104 } |
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105 |
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106 // -------------------------------------------------------------------------- |
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107 // CTsFswEngine::FswDataL |
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108 // -------------------------------------------------------------------------- |
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109 // |
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110 const RTsFswArray& CTsFswEngine::FswDataL() |
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111 { |
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112 return iDataList->FswDataL(); |
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113 } |
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114 |
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115 // -------------------------------------------------------------------------- |
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116 // CTsFswEngine::UpdateTaskList |
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117 // Callback from appui |
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118 // -------------------------------------------------------------------------- |
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119 // |
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120 void CTsFswEngine::UpdateTaskList() |
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121 { |
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122 // There can be many calls in a row, use a timer to prevent degrading |
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123 // device performance. |
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124 iDataList->SetDirty(); |
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125 if ( !iUpdateStarter->IsActive() ) |
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126 { |
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127 iUpdateStarter->Start( KContentRefreshDelay, 0, |
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128 TCallBack( UpdateStarterCallback, this ) ); |
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129 } |
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130 // get the foreground app uid and publish it to CFW if different than before |
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131 TRAP_IGNORE( PublishFgAppUidL() ); |
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132 } |
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133 |
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134 // -------------------------------------------------------------------------- |
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135 // CTsFswEngine::UpdateStarterCallback |
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136 // Callback for the timer |
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137 // -------------------------------------------------------------------------- |
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138 // |
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139 TInt CTsFswEngine::UpdateStarterCallback( TAny* aParam ) |
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140 { |
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141 CTsFswEngine* self = static_cast<CTsFswEngine*>( aParam ); |
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142 self->iUpdateStarter->Cancel(); |
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143 // get list of tasks and notify observer if there is a change in the list |
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144 TBool changed = EFalse; |
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145 TRAPD( err, changed = self->CollectTasksL() ); |
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146 if ( err == KErrNone && changed ) |
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147 { |
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148 self->iObserver.DataChanged(); |
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149 } |
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150 return 0; |
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151 } |
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152 |
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153 // -------------------------------------------------------------------------- |
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154 // CTsFswEngine::CollectTasksL |
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155 // -------------------------------------------------------------------------- |
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156 // |
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157 TBool CTsFswEngine::CollectTasksL() |
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158 { |
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159 TBool changed = iDataList->CollectTasksL(); |
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160 return changed; |
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161 } |
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162 |
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163 // -------------------------------------------------------------------------- |
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164 // CTsFswEngine::ForegroundAppUidL |
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165 // -------------------------------------------------------------------------- |
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166 // |
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167 TUid CTsFswEngine::ForegroundAppUidL( TInt aType ) |
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168 { |
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169 // Do not use GetFocusWindowGroup or others. |
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170 // We want to see only "real" application uids in FgApp, |
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171 // i.e. stuff that would also be shown in the task swapper |
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172 // area of Taskswitcher. |
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173 |
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174 TUid result = KNullUid; |
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175 RArray<RWsSession::TWindowGroupChainInfo> allWgIds; |
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176 CleanupClosePushL( allWgIds ); |
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177 User::LeaveIfError( iWsSession.WindowGroupList( 0, &allWgIds ) ); |
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178 TInt count = allWgIds.Count(); |
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179 for ( TInt i = 0; i < count; ++i ) |
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180 { |
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181 // Depending on aType we may not need to bother with iParentId here. |
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182 // If aType == EUseEmbeddedUid => embedded apps are treated as others. |
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183 // If aType == EUseStandaloneUid => embedded apps must be ignored. |
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184 if ( allWgIds[i].iParentId > 0 |
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185 && aType == CTsFswEngine::EUseStandaloneUid ) |
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186 { |
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187 continue; |
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188 } |
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189 |
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190 CApaWindowGroupName* wgn = CApaWindowGroupName::NewLC( |
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191 iWsSession, allWgIds[i].iId ); |
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192 TUid newUid = wgn->AppUid(); |
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193 TBool hidden = wgn->Hidden(); |
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194 CleanupStack::PopAndDestroy( wgn ); |
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195 |
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196 if ( !hidden && newUid.iUid && !iDataList->IsHiddenUid(newUid) ) |
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197 { |
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198 result = newUid; |
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199 break; |
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200 } |
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201 } |
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202 CleanupStack::PopAndDestroy( &allWgIds ); |
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203 |
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204 return result; |
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205 } |
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206 |
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207 // -------------------------------------------------------------------------- |
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208 // CTsFswEngine::PublishFgAppUidL |
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209 // -------------------------------------------------------------------------- |
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210 // |
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211 void CTsFswEngine::PublishFgAppUidL() |
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212 { |
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213 TUid newUid = ForegroundAppUidL( CTsFswEngine::EUseEmbeddedUid ); |
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214 if ( iFgAppUid != newUid && newUid.iUid ) |
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215 { |
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216 iFgAppUid = newUid; |
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217 iDataList->MoveEntryAtStart(newUid.iUid, EFalse); |
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218 } |
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219 } |
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220 |
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221 // end of file |