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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: File containing application list classes |
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15 * |
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16 */ |
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17 |
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18 //INCLUDES: |
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19 #include <mmf/common/mmfcontrollerpluginresolver.h> // for CleanupResetAndDestroyPushL |
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20 #include <e32debug.h> |
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21 #include <apgwgnam.h> |
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22 #include <bitstd.h> |
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23 #include <AknIconUtils.h> // avkon |
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24 #include <apgicnfl.h> // fbsbitmap |
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25 #include <AknIconSrvClient.h> |
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26 #include <fbs.h> |
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27 #include <apgwgnam.h> |
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28 #include <QSizeF> |
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29 #include <camenuiconutility.h> |
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30 |
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31 #include "tsdatalist.h" |
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32 #include "tsentrykeygenerator.h" |
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33 #include "tsscreenshotmsg.h" |
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34 #include "tsunregscreenshotmsg.h" |
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35 #include "tsvisibilitymsg.h" |
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36 |
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37 // size for the created app icons |
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38 const TInt KAppIconWidth = 128; |
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39 const TInt KAppIconHeight = 128; |
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40 |
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41 //uids to be hidden |
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42 const TUid KHsApplicationUid = { 0x20022F35 }; |
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43 |
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44 // ================= MEMBER FUNCTIONS ======================= |
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45 |
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46 // -------------------------------------------------------------------------- |
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47 /** |
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48 * Two-phased constructor. |
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49 */ |
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50 CTsDataList* CTsDataList::NewL( MTsResourceManager& aResources, |
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51 MTsWindowGroupsMonitor& aMonitor, |
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52 MTsDataObserver& aObserver ) |
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53 { |
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54 CTsDataList* self = new (ELeave) CTsDataList( aResources, |
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55 aMonitor, |
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56 aObserver ); |
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57 CleanupStack::PushL( self ); |
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58 self->ConstructL(); |
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59 CleanupStack::Pop( self ); |
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60 return self; |
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61 } |
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62 |
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63 // -------------------------------------------------------------------------- |
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64 /** |
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65 * Constructor. |
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66 */ |
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67 CTsDataList::CTsDataList(MTsResourceManager& aResources, |
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68 MTsWindowGroupsMonitor &aMonitor, |
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69 MTsDataObserver& aObserver ) |
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70 : |
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71 CTsWindowGroupsObserver( aMonitor ), |
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72 iResources( aResources ), |
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73 iObserver( aObserver ) |
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74 { |
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75 } |
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76 |
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77 // -------------------------------------------------------------------------- |
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78 /* |
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79 * Destructor |
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80 */ |
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81 CTsDataList::~CTsDataList() |
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82 { |
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83 iData.ResetAndDestroy(); |
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84 iVisibleData.Close(); |
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85 iHiddenUids.Close(); |
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86 RFbsSession::Disconnect(); |
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87 RAknIconSrvClient::Disconnect(); |
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88 delete iDefaultIcon; |
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89 } |
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90 |
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91 // -------------------------------------------------------------------------- |
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92 /** |
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93 * Performs 2nd phase construction. |
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94 */ |
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95 void CTsDataList::ConstructL() |
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96 { |
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97 BaseConstructL(); |
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98 iHiddenUids.AppendL( KHsApplicationUid ); |
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99 User::LeaveIfError(RFbsSession::Connect()); |
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100 RAknIconSrvClient::Connect(); |
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101 QT_TRYCATCH_LEAVING( |
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102 iDefaultIcon = HbIcon2CFbsBitmap( HbIcon("qtg_large_application") );) |
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103 } |
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104 |
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105 // -------------------------------------------------------------------------- |
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106 /** |
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107 * Returns a reference to the current content. |
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108 * Also performs sanity checks, e.g. associates application icons |
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109 * when no screenshot has been received. |
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110 * @return ref to content array |
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111 */ |
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112 const RTsFswArray& CTsDataList::Data() const |
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113 { |
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114 return iVisibleData; |
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115 } |
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116 |
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117 // -------------------------------------------------------------------------- |
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118 /** |
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119 * Interface implementation |
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120 * @see MTsWindowGroupsObserver HandleWindowGroupChanged |
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121 */ |
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122 void CTsDataList::HandleWindowGroupChanged( |
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123 MTsResourceManager &, |
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124 const TArray<RWsSession::TWindowGroupChainInfo>& aWgList) |
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125 { |
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126 TRAP_IGNORE(RDebug::Print(_L("[TaskSwitcher] processing started")); |
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127 RTsFswArray newAppsList; |
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128 CleanupResetAndDestroyPushL(newAppsList); |
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129 CollectAppsL(newAppsList, aWgList); |
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130 RDebug::Print(_L("[TaskSwitcher] gathered app info")); |
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131 FitDataToListL(newAppsList); |
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132 CleanupStack::PopAndDestroy(&newAppsList); |
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133 RDebug::Print(_L("[TaskSwitcher] processing finished")); |
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134 ); |
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135 } |
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136 |
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137 // -------------------------------------------------------------------------- |
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138 /** |
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139 * Adds running apps to the list. |
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140 * @param aAppsList array to add to |
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141 */ |
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142 void CTsDataList::CollectAppsL(RTsFswArray& aAppsList, |
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143 const TArray<RWsSession::TWindowGroupChainInfo> &aWgList) |
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144 { |
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145 for( TInt i(0); i < aWgList.Count(); ++i ) |
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146 { |
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147 TTsEntryKey key; |
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148 TInt err = TsEntryKeyGeneraror::Generate(key, aWgList[i].iId, aWgList); |
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149 //skip this entry if it is already on list or generate key failed |
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150 if( err!=KErrNone || FindEntry( aAppsList, key ) >= 0 ) |
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151 { |
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152 continue; |
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153 } |
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154 |
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155 // get window group name |
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156 CApaWindowGroupName* windowName = |
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157 CApaWindowGroupName::NewLC( iResources.WsSession(), |
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158 key.WindowGroupId() ); |
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159 TUid appUid = windowName->AppUid(); |
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160 |
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161 // get screen number (-1=console, 0=main screen, 1=cover ui) |
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162 TInt appScreen = 0; |
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163 TInt scrNumErr = |
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164 iResources.ApaSession().GetDefaultScreenNumber( appScreen, |
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165 appUid ); |
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166 |
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167 if( appUid.iUid && |
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168 !windowName->Hidden() && |
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169 (appScreen == 0 || appScreen == -1) && |
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170 scrNumErr == KErrNone ) |
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171 { |
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172 AddEntryL( key, appUid, windowName, aAppsList ); |
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173 } |
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174 |
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175 CleanupStack::PopAndDestroy( windowName ); |
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176 } |
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177 } |
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178 |
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179 // -------------------------------------------------------------------------- |
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180 /** |
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181 * Called from CollectTasksL for each entry in the task list. |
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182 * @param aKey entry key |
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183 * @param aAppUid application uid |
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184 * @param aWgName window group name or NULL |
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185 * @param aNewList list to add to |
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186 */ |
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187 void CTsDataList::AddEntryL( const TTsEntryKey& aKey, |
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188 const TUid& aAppUid, |
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189 CApaWindowGroupName* aWgName, |
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190 RTsFswArray& aNewList ) |
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191 { |
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192 CTsEntry* entry = CTsEntry::NewLC( aKey, iObserver ); |
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193 // check if present in old list and if yes then take some of the old data |
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194 TBool found = ConsiderOldDataL( aKey ); |
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195 // if not present previously then find out app name |
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196 // and check if screenshot is already available |
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197 if( !found ) |
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198 { |
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199 entry->SetAppUid(aAppUid); |
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200 HBufC* name = FindAppNameLC( aWgName, aAppUid, aKey.WindowGroupId() ); |
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201 entry->SetAppNameL(*name); |
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202 CleanupStack::PopAndDestroy( name ); |
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203 //transfer ownership to entry |
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204 entry->SetAppIcon( GetAppIconL( aAppUid ) ); |
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205 } |
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206 if(aWgName) |
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207 { |
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208 entry->SetCloseableApp( !aWgName->IsSystem() ); |
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209 } |
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210 // add to new list, ownership is transferred |
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211 aNewList.AppendL( entry ); |
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212 CleanupStack::Pop( entry ); |
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213 } |
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214 |
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215 // -------------------------------------------------------------------------- |
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216 /** |
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217 * Checks if there is an entry for same app in the content list. |
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218 * If yes then it takes some of the data for the entry that |
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219 * will correspond to the same app in the refreshed content list. |
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220 * @param aKey new key in content list |
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221 * @return ETrue if app was found |
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222 */ |
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223 TBool CTsDataList::ConsiderOldDataL( const TTsEntryKey& aKey ) |
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224 { |
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225 for(TInt entryIdx = 0, oldCount = iData.Count(); entryIdx < oldCount; ++entryIdx) |
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226 { |
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227 if (iData[entryIdx]->Key() == aKey) |
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228 { |
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229 return ETrue; |
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230 } |
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231 } |
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232 return EFalse; |
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233 } |
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234 |
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235 // -------------------------------------------------------------------------- |
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236 /** |
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237 * Finds out the application name. |
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238 * @param aWindowName window group name or NULL |
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239 * @param aAppUId application uid |
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240 * @param aWgId window group id |
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241 * @return application name, ownership transferred to caller |
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242 */ |
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243 HBufC* CTsDataList::FindAppNameLC( CApaWindowGroupName* aWindowName, |
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244 const TUid& aAppUid, |
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245 TInt aWgId ) |
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246 { |
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247 //Retrieve the app name |
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248 TApaAppInfo info; |
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249 iResources.ApaSession().GetAppInfo( info, aAppUid ); |
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250 TPtrC caption = info.iShortCaption; |
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251 |
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252 HBufC* tempName( 0 ); |
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253 if (!caption.Length() && aWindowName) // if not set - use thread name instead |
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254 { |
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255 if (aWindowName->Caption().Length()) |
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256 { |
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257 tempName = aWindowName->Caption().AllocLC(); |
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258 } |
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259 else |
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260 { |
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261 TThreadId threadId; |
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262 if(KErrNone == iResources.WsSession().GetWindowGroupClientThreadId( aWgId, threadId ) ) |
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263 { |
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264 RThread thread; |
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265 CleanupClosePushL( thread ); |
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266 if( KErrNone == thread.Open( threadId ) ) |
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267 { |
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268 tempName = thread.Name().AllocL(); // codescanner::forgottoputptroncleanupstack |
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269 } |
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270 // tempName put on cleanupstack after the if |
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271 CleanupStack::PopAndDestroy( &thread ); |
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272 if(tempName) |
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273 { |
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274 CleanupStack::PushL(tempName); |
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275 } |
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276 } |
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277 } |
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278 } |
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279 else |
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280 { |
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281 tempName = caption.AllocLC(); |
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282 } |
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283 if( 0 == tempName ) |
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284 { |
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285 tempName = KNullDesC16().AllocLC(); |
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286 } |
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287 return tempName; |
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288 } |
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289 |
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290 // -------------------------------------------------------------------------- |
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291 /** |
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292 * Fit existing class contained data list into give one. |
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293 * Data is being changed with application type consideration that is based |
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294 * on aConsiderWidgets param. |
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295 * Function removes or add entries into data depend on given list. |
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296 * @param aListToFit list with actual data |
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297 */ |
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298 void CTsDataList::FitDataToListL( RTsFswArray& aListToFit ) |
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299 { |
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300 TBool changed = EFalse; |
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301 TInt dataCount = iData.Count(); |
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302 |
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303 //remove items that dont't exists in newly collected list |
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304 for (TInt i = dataCount - 1; i >= 0; --i) |
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305 { |
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306 if( !CheckIfExists( *iData[i], aListToFit ) ) |
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307 { |
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308 delete iData[i]; |
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309 iData.Remove( i ); |
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310 changed = ETrue; |
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311 } |
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312 } |
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313 RArray<TTsEntryKey> allKeys; |
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314 |
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315 //add new items at start |
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316 for(TInt i = aListToFit.Count() - 1; i >= 0; --i) |
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317 { |
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318 User::LeaveIfError( allKeys.Insert(aListToFit[i]->Key(), 0) ); |
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319 if( !CheckIfExists( *aListToFit[i], iData ) ) |
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320 { |
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321 HideEntryIfNotAllowed( aListToFit[i] ); |
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322 User::LeaveIfError( iData.Insert( aListToFit[i], 0 ) ); |
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323 TTime currentTimestamp; |
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324 currentTimestamp.UniversalTime(); |
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325 iData[0]->SetTimestamp( currentTimestamp ); |
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326 aListToFit[i] = 0; |
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327 changed = ETrue; |
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328 } |
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329 } |
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330 //establish order |
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331 TBool orderChanged = EstablishOrder( allKeys ); |
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332 //update entries data |
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333 TBool dataChanged = UpdateEntryData( aListToFit ); |
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334 RebuildVisibleDataListL(); |
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335 if( changed || orderChanged || dataChanged ) |
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336 { |
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337 iObserver.DataChanged(); |
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338 } |
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339 allKeys.Close(); |
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340 } |
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341 |
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342 // -------------------------------------------------------------------------- |
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343 /** |
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344 * Checks if there is an entry for same app in the given list. |
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345 * @param aEntry entry |
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346 * @param aList ref to list |
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347 * @return ETrue if app was found |
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348 */ |
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349 |
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350 TBool CTsDataList::CheckIfExists( const CTsEntry& aEntry, |
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351 const RTsFswArray& aList ) const |
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352 { |
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353 return 0 <= FindEntry( aList, aEntry.Key() ); |
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354 } |
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355 |
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356 // -------------------------------------------------------------------------- |
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357 /** |
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358 * Retrieves the bitmap for the icon of the given app. |
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359 * @param aAppUid application uid |
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360 * @return app CFbsBitmap |
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361 */ |
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362 CFbsBitmap* CTsDataList::GetAppIconL( const TUid& aAppUid ) |
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363 { |
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364 |
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365 CFbsBitmap* iconBitmap(0); |
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366 TRAPD(errNo, |
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367 QT_TRYCATCH_LEAVING( |
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368 const QSize size(KAppIconWidth, KAppIconHeight); |
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369 HbIcon icon = CaMenuIconUtility::getApplicationIcon( aAppUid.iUid, size); |
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370 iconBitmap = HbIcon2CFbsBitmap( icon );) |
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371 User::LeaveIfNull(iconBitmap); ) |
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372 if( KErrNone != errNo ) |
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373 { |
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374 iconBitmap = new(ELeave) CFbsBitmap; |
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375 CleanupStack::PushL(iconBitmap); |
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376 User::LeaveIfError( iconBitmap->Duplicate( iDefaultIcon->Handle() ) ); |
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377 CleanupStack::Pop(iconBitmap); |
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378 } |
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379 return iconBitmap; |
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380 } |
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381 |
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382 // -------------------------------------------------------------------------- |
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383 /** |
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384 * Converts HbIcon to CFbsBitmap |
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385 * @param aIcon icon to be coverted |
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386 * @return CFbsBitmap |
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387 */ |
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388 CFbsBitmap* CTsDataList::HbIcon2CFbsBitmap( const HbIcon& aIcon ) |
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389 { |
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390 CFbsBitmap* retValue(0); |
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391 QIcon qicon = aIcon.qicon(); |
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392 QPixmap pixmap = qicon.pixmap(QSize(KAppIconWidth, KAppIconHeight)); |
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393 if( !pixmap.isNull() ) |
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394 { |
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395 retValue = pixmap.toSymbianCFbsBitmap(); |
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396 } |
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397 return retValue; |
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398 } |
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399 // -------------------------------------------------------------------------- |
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400 TBool CTsDataList::IsSupported( TInt aFunction ) const |
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401 { |
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402 return ( RegisterScreenshotMessage == aFunction || |
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403 UnregisterScreenshotMessage == aFunction || |
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404 VisibilityChange == aFunction || |
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405 WindowGroupToBackgroundMessage == aFunction ); |
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406 } |
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407 |
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408 // -------------------------------------------------------------------------- |
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409 void CTsDataList::HandleDataL( TInt aFunction, RReadStream& aDataStream ) |
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410 { |
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411 switch( aFunction ) |
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412 { |
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413 case RegisterScreenshotMessage: |
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414 RegisterScreenshotL( aDataStream ); |
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415 break; |
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416 case UnregisterScreenshotMessage: |
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417 UnregisterScreenshotL( aDataStream ); |
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418 break; |
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419 case VisibilityChange: |
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420 ChangeVisibilityL( aDataStream ); |
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421 break; |
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422 case WindowGroupToBackgroundMessage: |
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423 UpdateTaskTimestampL( aDataStream ); |
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424 break; |
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425 } |
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426 } |
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427 |
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428 // -------------------------------------------------------------------------- |
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429 void CTsDataList::RegisterScreenshotL( RReadStream& aDataStream ) |
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430 { |
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431 CTsScreenshotMsg* msg = CTsScreenshotMsg::NewLC( aDataStream ); |
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432 const TInt pos = FindEntry( iData, GenerateKeyL(msg->WindowGroupId() ) ); |
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433 User::LeaveIfError(pos); |
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434 iData[pos]->SetScreenshotL( msg->Screenshot(), msg->Priority(), msg->Rotation() ); |
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435 CleanupStack::PopAndDestroy(msg); |
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436 } |
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437 // -------------------------------------------------------------------------- |
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438 void CTsDataList::UnregisterScreenshotL(RReadStream& aDataStream) |
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439 { |
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440 CTsUnregisterScreenshotMsg* msg = |
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441 CTsUnregisterScreenshotMsg::NewLC(aDataStream); |
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442 const TInt pos = FindEntry( iData, GenerateKeyL(msg->windowGroupId() ) ); |
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443 User::LeaveIfError(pos); |
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444 iData[pos]->RemoveScreenshotL(); |
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445 CleanupStack::PopAndDestroy(msg); |
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446 } |
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447 // -------------------------------------------------------------------------- |
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448 void CTsDataList::ChangeVisibilityL( RReadStream& aDataStream ) |
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449 { |
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450 CTsVisibilitMsg* msg = CTsVisibilitMsg::NewLC(aDataStream); |
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451 const TInt pos = FindEntry( iData, GenerateKeyL( msg->windowGroupId() ) ); |
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452 User::LeaveIfError(pos); |
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453 |
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454 msg->visibility() == iData[pos]->GetVisibility() ? |
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455 User::Leave( KErrInUse ) : |
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456 iData[pos]->SetVisibility( msg->visibility() ); |
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457 |
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458 CleanupStack::PopAndDestroy(msg); |
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459 RebuildVisibleDataListL(); |
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460 iObserver.DataChanged(); |
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461 } |
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462 // -------------------------------------------------------------------------- |
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463 void CTsDataList::UpdateTaskTimestampL( RReadStream& aDataStream ) |
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464 { |
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465 const TInt wgId = aDataStream.ReadInt32L(); |
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466 const TInt pos = FindEntry( iData, GenerateKeyL( wgId ) ); |
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467 User::LeaveIfError( pos ); |
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468 |
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469 TTime currentTimestamp; |
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470 currentTimestamp.UniversalTime(); |
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471 iData[pos]->SetTimestamp( currentTimestamp ); |
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472 |
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473 iObserver.DataChanged(); |
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474 } |
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475 |
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476 // -------------------------------------------------------------------------- |
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477 /** |
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478 * Checks if given uid is on hidden list |
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479 * @param aUid uid to be checked |
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480 * @return ETrue if uid is on hidden list |
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481 */ |
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482 TBool CTsDataList::IsHiddenUid( TUid aUid ) |
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483 { |
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484 return 0 < iHiddenUids.Find( aUid ); |
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485 } |
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486 |
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487 // -------------------------------------------------------------------------- |
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488 /** |
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489 * Finds entry in array |
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490 * @param aList list to find |
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491 * @param aKey finding key |
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492 * @return position or KErrNotFound |
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493 */ |
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494 TInt CTsDataList::FindEntry( const RTsFswArray& aList, |
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495 const TTsEntryKey& aKey ) const |
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496 { |
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497 TInt pos(KErrNotFound); |
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498 for(TInt entryIdx = 0; |
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499 entryIdx < aList.Count() && KErrNotFound == pos; |
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500 ++entryIdx) |
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501 { |
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502 if (aList[entryIdx]->Key() == aKey) |
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503 { |
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504 pos = entryIdx; |
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505 } |
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506 } |
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507 return pos; |
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508 } |
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509 |
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510 // -------------------------------------------------------------------------- |
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511 /** |
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512 * Establish entry order accridung to aKeyList, all keys MUST be in iData |
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513 * @param aKeyList reference key list |
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514 * @return ETrue if changes occured |
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515 */ |
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516 TBool CTsDataList::EstablishOrder( const RArray<TTsEntryKey>& aKeyList ) |
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517 { |
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518 TBool changed( EFalse ); |
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519 TInt lastChangedItem( KErrNotFound ); |
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520 __ASSERT_ALWAYS( iData.Count() == aKeyList.Count(), User::Panic(_L("EstablishOrder 1"), KErrBadHandle) ); |
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521 for (TInt i = 0; i < aKeyList.Count(); i++) |
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522 { |
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523 const TTsEntryKey& currentdataKey = iData[i]->Key(); |
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524 const TTsEntryKey& referenceKey = aKeyList[i]; |
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525 if( !(currentdataKey == referenceKey) ) |
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526 { |
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527 TInt foundPos = FindEntry( iData, referenceKey ); |
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528 __ASSERT_ALWAYS(foundPos>=0, User::Panic(_L("EstablishOrder 2"), KErrBadHandle)); |
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529 CTsEntry* entry = iData[foundPos]; |
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530 iData.Remove( foundPos ); |
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531 iData.Insert( entry, i ); |
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532 changed = ETrue; |
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533 lastChangedItem = i; |
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534 } |
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535 } |
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536 TTime currentTimestamp; |
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537 currentTimestamp.UniversalTime(); |
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538 for (TInt i = lastChangedItem; i >= 0; --i) |
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539 { |
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540 iData[i]->SetTimestamp(currentTimestamp); |
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541 } |
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542 return changed; |
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543 } |
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544 |
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545 // -------------------------------------------------------------------------- |
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546 /** |
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547 * Updates entry data on mData according to list |
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548 * @param aList reference entires list |
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549 * @return ETrue if changes occured |
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550 */ |
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551 TBool CTsDataList::UpdateEntryData( const RTsFswArray& aList ) |
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552 { |
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553 __ASSERT_ALWAYS( iData.Count() == aList.Count(), |
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554 User::Panic(_L("UpdateEntryData 1"), KErrBadHandle) ); |
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555 TBool changed( EFalse ); |
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556 for( TInt i=0; i<aList.Count(); i++ ) |
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557 { |
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558 if(aList[i]) |
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559 { |
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560 __ASSERT_ALWAYS(iData[i]->Key() == aList[i]->Key(), |
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561 User::Panic(_L("UpdateEntryData 2"), KErrBadHandle)); |
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562 if( iData[i]->CloseableApp() != aList[i]->CloseableApp() ) |
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563 { |
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564 iData[i]->SetCloseableApp(aList[i]->CloseableApp()); |
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565 changed = ETrue; |
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566 } |
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567 } |
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568 } |
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569 return changed; |
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570 } |
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571 |
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572 // -------------------------------------------------------------------------- |
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573 /** |
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574 * Function generate task key using window group id |
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575 * @param wgId - window group id of running application |
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576 * @param entry key |
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577 */ |
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578 TTsEntryKey CTsDataList::GenerateKeyL( TInt aWgId ) |
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579 { |
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580 RArray<RWsSession::TWindowGroupChainInfo> allWgIds; |
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581 CleanupClosePushL( allWgIds ); |
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582 User::LeaveIfError( iResources.WsSession().WindowGroupList( 0, &allWgIds ) ); |
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583 TTsEntryKey key; |
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584 User::LeaveIfError(TsEntryKeyGeneraror::Generate(key, aWgId, allWgIds.Array())); |
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585 CleanupStack::PopAndDestroy( &allWgIds ); |
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586 return key; |
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587 } |
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588 |
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589 // -------------------------------------------------------------------------- |
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590 /** |
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591 * Hides entrie if exist on mHiddenUids |
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592 * @param entry |
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593 */ |
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594 void CTsDataList::HideEntryIfNotAllowed( CTsEntry* aEntry ) |
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595 { |
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596 if( iHiddenUids.Find( aEntry->AppUid() ) >= 0 ) |
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597 { |
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598 aEntry->SetVisibility(Invisible); |
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599 } |
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600 } |
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601 |
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602 void CTsDataList::RebuildVisibleDataListL() |
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603 { |
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604 iVisibleData.Reset(); |
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605 RArray<TInt> visibleItems(iData.Count() ? iData.Count() : 1); |
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606 CleanupClosePushL(visibleItems); |
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607 for( TInt iter = 0; iter < iData.Count(); ++iter ) |
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608 { |
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609 if( Visible == iData[iter]->GetVisibility() ) |
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610 { |
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611 visibleItems.AppendL(iter); |
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612 } |
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613 } |
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614 for( TInt iter = 0; iter < visibleItems.Count(); ++iter ) |
|
615 { |
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616 iVisibleData.AppendL( iData[visibleItems[iter]] ); |
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617 } |
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618 CleanupStack::PopAndDestroy(&visibleItems); |
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619 } |
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620 // end of file |