1 /* |
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2 * Copyright (c) 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: Utility class which provides the Application, Service and File |
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15 * launching services to Location Centre. |
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16 * |
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17 */ |
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18 |
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19 |
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20 // SYSTEM INCLUDES |
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21 #include <apgcli.h> |
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22 #include <apgtask.h> |
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23 #include <eikenv.h> |
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24 #include <lcappexitobserver.h> |
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25 #include <schemehandler.h> |
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26 #include <DocumentHandler.h> |
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27 #include <e32math.h> |
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28 #include <eikappui.h> |
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29 #include <avkon.hrh> |
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30 |
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31 // USER INCLUDES |
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32 #include "lcapplauncher.h" |
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33 #include "lcipcparams.h" |
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34 #include "lcdebug.h" |
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35 |
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36 // CONSTANT DEFINITIONS |
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37 _LIT( KLcFourSpace, "4 " ); |
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38 |
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39 // Maximum value that the UID field can take in S60 |
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40 const TUint32 KUidMaxValue = 0xFFFFFFFF; |
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41 |
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42 // Application Server Service ID. This is the same valuw which AknAppService classes use |
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43 const TUid KLcLaunchAppServiceUid = { 0x101F887A }; |
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44 |
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45 // -------- Member functions of RLcLaunchAppService -------------------------- |
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46 |
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47 // --------------------------------------------------------- |
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48 // TUid RLcLaunchAppService::ServiceUid |
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49 // --------------------------------------------------------- |
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50 // |
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51 TUid RLcLaunchAppService::ServiceUid() const |
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52 { |
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53 return KLcLaunchAppServiceUid; |
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54 } |
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55 |
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56 // -------- Member functions of CLcLaunchAppService -------------------------- |
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57 |
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58 // --------------------------------------------------------------------------- |
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59 // CLcLaunchAppService* CLcLaunchAppService::NewL |
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60 // --------------------------------------------------------------------------- |
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61 // |
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62 CLcLaunchAppService* CLcLaunchAppService::NewL() |
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63 { |
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64 CLcLaunchAppService* self = new ( ELeave ) CLcLaunchAppService(); |
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65 return self; |
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66 } |
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67 |
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68 // --------------------------------------------------------------------------- |
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69 // CLcLaunchAppService::~CLcLaunchAppService |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 CLcLaunchAppService::~CLcLaunchAppService() |
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73 { |
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74 delete iMonitor; |
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75 iService.Close(); |
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76 } |
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77 |
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78 // --------------------------------------------------------------------------- |
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79 // Tvoid CLcLaunchAppService::ServerName |
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80 // --------------------------------------------------------------------------- |
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81 // |
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82 void CLcLaunchAppService::ServerName( TName& aServerName, |
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83 TUid aAppServerUid, |
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84 TUint aServerDifferentiator ) |
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85 { |
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86 _LIT(KServerNameFormat, "%08x_%08x_AppServer"); |
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87 aServerName.Format( KServerNameFormat, |
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88 aServerDifferentiator, |
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89 aAppServerUid ); |
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90 } |
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91 |
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92 // --------------------------------------------------------------------------- |
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93 // TUid RLcLaunchAppService::ServiceUid |
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94 // --------------------------------------------------------------------------- |
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95 // |
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96 TUint CLcLaunchAppService::GenerateServerDifferentiatorAndName( |
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97 TName& aServerName, |
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98 TUid aAppServerUid ) |
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99 { |
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100 TUint r; |
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101 FOREVER |
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102 { |
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103 r = Math::Random(); |
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104 if ( r == 0 ) |
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105 continue; |
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106 ServerName( aServerName, aAppServerUid, r ); |
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107 TFindServer find( aServerName ); |
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108 TFullName fullName; |
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109 if ( find.Next( fullName ) == KErrNone ) |
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110 { |
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111 continue; |
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112 } |
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113 break; |
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114 } |
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115 return r; |
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116 } |
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117 |
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118 // --------------------------------------------------------------------------- |
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119 // void CLcLaunchAppService::LaunchAppL |
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120 // --------------------------------------------------------------------------- |
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121 // |
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122 void CLcLaunchAppService::LaunchAppL( const TUid& aAppUid, |
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123 MAknServerAppExitObserver& aObserver, |
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124 const TDesC& aCmdLineArg ) |
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125 { |
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126 DEBUG("+ CLcLaunchAppService::LaunchAppL") |
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127 |
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128 CEikonEnv* eikEnv = CEikonEnv::Static(); |
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129 RWindowGroup& wg = eikEnv->RootWin(); |
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130 |
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131 TName notUsed; |
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132 const TUint differentiator = GenerateServerDifferentiatorAndName( notUsed, aAppUid ); |
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133 TRequestStatus requestStatusForRendezvous; |
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134 |
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135 RApaLsSession apa; |
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136 User::LeaveIfError( apa.Connect()); |
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137 CleanupClosePushL( apa ); |
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138 |
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139 // Check for the Application capabilities |
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140 TApaAppCapabilityBuf capabilityBuf; |
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141 User::LeaveIfError( apa.GetAppCapability( capabilityBuf, aAppUid )); |
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142 TApaAppCapability& caps = capabilityBuf(); |
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143 |
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144 // Launch only those applications can be embedded and will not be run the background |
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145 |
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146 if( caps.iLaunchInBackground || |
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147 caps.iEmbeddability == TApaAppCapability::ENotEmbeddable ) |
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148 { |
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149 User::Leave( KErrNotSupported ); |
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150 } |
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151 |
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152 TApaAppInfo info; |
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153 User::LeaveIfError( apa.GetAppInfo( info, aAppUid )); |
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154 |
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155 // Pack the command line arguments |
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156 CApaCommandLine* cmdLine = CApaCommandLine::NewLC(); |
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157 cmdLine->SetExecutableNameL(info.iFullName); |
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158 cmdLine->SetServerRequiredL(differentiator); |
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159 |
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160 // Set the Command line arguments. |
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161 if ( aCmdLineArg.Length()) |
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162 { |
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163 // These arguments would be sent as Tail end arguments to the launched |
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164 // Application. Its left to the application to handle those |
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165 HBufC8* tailEnd = HBufC8::NewLC( aCmdLineArg.Length()); |
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166 tailEnd->Des().Copy( aCmdLineArg ); |
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167 |
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168 // The Tail end buffer is copied to the Command line structure. Hence, |
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169 // can delete this variable after the set operation succeeds. |
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170 cmdLine->SetTailEndL( tailEnd->Des()); |
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171 |
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172 CleanupStack::PopAndDestroy( tailEnd ); |
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173 } |
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174 |
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175 cmdLine->SetCommandL( EApaCommandRun ); |
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176 |
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177 // Window chain the client with the current application |
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178 const TInt parentWindowGroupID = wg.Identifier(); |
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179 if ( parentWindowGroupID ) |
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180 { |
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181 cmdLine->SetParentWindowGroupID( parentWindowGroupID ); |
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182 wg.AllowProcessToCreateChildWindowGroups( aAppUid ); |
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183 } |
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184 |
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185 // Launch the requested Application |
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186 TThreadId threadNotUsed; |
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187 User::LeaveIfError( apa.StartApp( *cmdLine, |
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188 threadNotUsed, |
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189 &requestStatusForRendezvous )); |
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190 |
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191 CleanupStack::PopAndDestroy(2, &apa); // cmdLine and apa |
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192 |
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193 CEikAppUi* appUi = eikEnv->EikAppUi(); |
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194 if ( appUi ) |
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195 { |
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196 appUi->DeactivateActiveViewL(); |
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197 } |
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198 |
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199 User::WaitForRequest( requestStatusForRendezvous ); |
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200 User::LeaveIfError( requestStatusForRendezvous.Int()); |
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201 |
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202 // Establish a connection to the running server |
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203 TName serverName; |
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204 ServerName( serverName, aAppUid, differentiator ); |
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205 |
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206 // Though the server had been successfully created the application |
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207 // has can shutdown before we can establish a connection. There is nothing |
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208 // that we can do here. Ignore the error. |
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209 iService.ConnectExistingByNameL(serverName ); |
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210 |
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211 // Set the observer for receiving notifications of the application exit. |
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212 iMonitor = CApaServerAppExitMonitor::NewL( iService, |
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213 aObserver, |
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214 CActive::EPriorityStandard ); |
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215 |
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216 DEBUG("- CLcLaunchAppService::LaunchAppL") |
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217 } |
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218 |
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219 |
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220 // ----- Member funtions for CLcAppLauncher ---------------------------------- |
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221 |
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222 // --------------------------------------------------------------------------- |
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223 // CLcAppLauncher::CLcAppLauncher |
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224 // --------------------------------------------------------------------------- |
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225 // |
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226 CLcAppLauncher::CLcAppLauncher() |
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227 { |
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228 // C++ Default constructor. No allocations or functions which can Leave |
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229 // should be called from here. |
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230 } |
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231 |
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232 // --------------------------------------------------------------------------- |
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233 // CLcAppLauncher::~CLcAppLauncher |
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234 // --------------------------------------------------------------------------- |
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235 // |
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236 CLcAppLauncher::~CLcAppLauncher() |
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237 { |
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238 |
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239 // Delete the Broswer launcher. |
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240 delete iBrowserLauncher; |
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241 |
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242 // Delete the document handler. |
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243 delete iDocHandler; |
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244 |
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245 // Delete the Application Service if it exists |
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246 delete iAppService; |
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247 } |
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248 |
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249 // --------------------------------------------------------------------------- |
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250 // CLcAppLauncher* CLcAppLauncher::NewL |
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251 // --------------------------------------------------------------------------- |
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252 // |
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253 EXPORT_C CLcAppLauncher* CLcAppLauncher::NewL() |
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254 { |
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255 CLcAppLauncher* self = NewLC(); |
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256 CleanupStack::Pop( self ); |
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257 return self; |
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258 } |
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259 |
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260 // --------------------------------------------------------------------------- |
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261 // CLcAppLauncher* CLcAppLauncher::NewLC |
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262 // --------------------------------------------------------------------------- |
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263 // |
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264 EXPORT_C CLcAppLauncher* CLcAppLauncher::NewLC() |
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265 { |
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266 // Symbian Two phased constructor. Leaves the object on the Clean-up |
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267 // stack. |
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268 CLcAppLauncher* self = new ( ELeave ) CLcAppLauncher(); |
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269 CleanupStack::PushL( self ); |
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270 self->ConstructL(); |
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271 return self; |
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272 } |
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273 |
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274 // --------------------------------------------------------------------------- |
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275 // void CLcAppLauncher::ConstructL |
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276 // --------------------------------------------------------------------------- |
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277 // |
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278 void CLcAppLauncher::ConstructL() |
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279 { |
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280 // Second phase of the two phase constructor. |
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281 iEnv = CEikonEnv::Static(); |
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282 } |
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283 |
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284 // --------------------------------------------------------------------------- |
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285 // void LcAppLauncher::LaunchLocationApplicationL |
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286 // --------------------------------------------------------------------------- |
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287 // |
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288 EXPORT_C void CLcAppLauncher::LaunchLocationApplicationL( |
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289 TInt aAppType, |
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290 const TDesC& aIdentifer, |
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291 TBool aStandAlone, |
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292 const TDesC& aCmdLineArg, |
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293 MLcAppExitObserver* aExitObserver ) |
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294 { |
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295 DEBUG("+ CLcLaunchAppService::LaunchLocationApplicationL") |
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296 |
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297 // Check for the validity of the request |
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298 |
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299 // Check if there is an outstanding Embedded launch request |
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300 if(( isEmbeddedLaunchOutstanding && !aStandAlone ) || |
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301 ( !aStandAlone && !iEnv )) |
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302 { |
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303 User::Leave( KErrNotSupported ); |
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304 } |
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305 |
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306 // At any instant of time this class can one outstanding Exit observer. |
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307 // There is currently no provision of storing a list of observers and |
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308 // mapping them correspondingly to each of the assciated applications |
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309 // Hence, Leave if there exists an Exit observer. |
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310 if (( aExitObserver && iExitObserver )) |
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311 { |
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312 User::Leave( KErrAlreadyExists ); |
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313 } |
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314 |
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315 // Launch the Applications based on their type and Mode of launching |
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316 switch ( aAppType ) |
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317 { |
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318 case ELcNativeApplication: |
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319 { |
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320 // Since the request is for a Native S60 application, the Identifer |
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321 // contains an UID. Obtain it using Lexer |
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322 TLex lexer( aIdentifer ); |
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323 TUint32 uidValue; |
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324 |
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325 User::LeaveIfError( lexer.BoundedVal( uidValue, EHex, KUidMaxValue )); |
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326 |
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327 if ( aStandAlone ) |
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328 { |
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329 // Launch the Location based Application based standalone mode |
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330 LaunchAppL( TUid::Uid( uidValue ), aCmdLineArg ); |
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331 } |
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332 else |
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333 { |
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334 // Launch Application in the chained mode |
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335 LaunchAppAsChainedL( TUid::Uid( uidValue ), aCmdLineArg, aExitObserver ); |
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336 } |
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337 |
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338 break; |
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339 } |
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340 case ELcWebUrl: |
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341 { |
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342 LaunchWebBroserL( aIdentifer, aStandAlone, aExitObserver ); |
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343 break; |
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344 } |
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345 case ELcDocument: |
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346 { |
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347 LaunchContentL( aIdentifer, aStandAlone, aExitObserver ); |
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348 break; |
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349 } |
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350 default: |
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351 { |
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352 User::Leave( KErrNotSupported ); |
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353 break; |
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354 } |
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355 } |
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356 |
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357 DEBUG("+ CLcLaunchAppService::LaunchLocationApplicationL") |
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358 } |
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359 |
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360 // --------------------------------------------------------------------------- |
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361 // void LcAppLauncher::LaunchAppL |
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362 // --------------------------------------------------------------------------- |
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363 // |
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364 void CLcAppLauncher::LaunchAppL( |
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365 TUid aApplicationUid, |
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366 const TDesC& aCmdLineArg ) |
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367 { |
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368 DEBUG("+ CLcAppLauncher::LaunchAppL") |
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369 |
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370 // Create the Session handle and connect to the Application architecture |
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371 // server. This is required to obtain the details of the application from |
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372 // the Application UID. |
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373 RApaLsSession lsSession; |
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374 User::LeaveIfError( lsSession.Connect() ); |
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375 CleanupClosePushL( lsSession ); |
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376 |
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377 // Get the Application's capability. |
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378 TApaAppCapabilityBuf capabilityBuf; |
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379 User::LeaveIfError( lsSession.GetAppCapability( capabilityBuf, aApplicationUid )); |
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380 TApaAppCapability& caps = capabilityBuf(); |
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381 |
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382 if ( caps.iEmbeddability == TApaAppCapability::EEmbeddableOnly || |
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383 caps.iEmbeddability == TApaAppCapability::EEmbeddableUiNotStandAlone ) |
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384 { |
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385 User::Leave( KErrNotSupported ); |
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386 } |
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387 |
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388 // Get the Application Information. |
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389 TApaAppInfo appInfo; |
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390 User::LeaveIfError( lsSession.GetAppInfo( appInfo, aApplicationUid ) ); |
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391 |
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392 // Fill the command line argument structure |
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393 CApaCommandLine* cmdLine = CApaCommandLine::NewLC(); |
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394 |
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395 // Set the Application name. |
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396 TFileName appName = appInfo.iFullName; |
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397 cmdLine->SetExecutableNameL( appName ); |
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398 |
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399 // Set the Command |
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400 if ( caps.iLaunchInBackground ) |
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401 { |
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402 cmdLine->SetCommandL( EApaCommandBackground ); |
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403 } |
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404 else |
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405 { |
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406 cmdLine->SetCommandL( EApaCommandRun ); |
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407 } |
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408 |
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409 // Set the Command line arguments. |
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410 if ( aCmdLineArg.Length()) |
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411 { |
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412 // These arguments would be sent as Tail end arguments to the launched |
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413 // Application. Its left to the application to handle those |
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414 HBufC8* tailEnd = HBufC8::NewLC( aCmdLineArg.Length()); |
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415 tailEnd->Des().Copy( aCmdLineArg ); |
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416 |
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417 // The Tail end buffer is copied to the Command line structure. Hence, |
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418 // can delete this variable after the set operation succeeds. |
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419 cmdLine->SetTailEndL( tailEnd->Des()); |
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420 |
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421 CleanupStack::PopAndDestroy( tailEnd ); |
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422 } |
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423 |
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424 // Start the Application |
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425 User::LeaveIfError( lsSession.StartApp( *cmdLine )); |
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426 |
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427 // Clean up all the allocated heap variables. |
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428 CleanupStack::PopAndDestroy( cmdLine ); |
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429 CleanupStack::PopAndDestroy(); //lsSession |
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430 |
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431 DEBUG("- CLcAppLauncher::LaunchAppL") |
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432 } |
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433 |
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434 // --------------------------------------------------------------------------- |
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435 // void LcAppLauncher::LaunchAppAsChainedL |
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436 // --------------------------------------------------------------------------- |
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437 // |
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438 void CLcAppLauncher::LaunchAppAsChainedL( |
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439 TUid aApplicationUid, |
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440 const TDesC& aCmdLineArg, |
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441 MLcAppExitObserver* aExitObserver ) |
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442 { |
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443 DEBUG("+ CLcAppLauncher::LaunchAppAsChainedL" ) |
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444 |
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445 // Createt the App service object and launch the application |
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446 CLcLaunchAppService* appService = CLcLaunchAppService::NewL(); |
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447 CleanupStack::PushL( appService ); |
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448 appService->LaunchAppL( aApplicationUid, *this, aCmdLineArg ); |
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449 CleanupStack::Pop( appService ); |
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450 |
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451 // Transfer the ownership to this class. |
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452 iAppService = appService; |
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453 isEmbeddedLaunchOutstanding = ETrue; |
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454 |
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455 // Store the Observer for future reference |
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456 iExitObserver = aExitObserver; |
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457 |
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458 DEBUG("- CLcAppLauncher::LaunchAppAsChainedL" ) |
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459 } |
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460 |
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461 // --------------------------------------------------------------------------- |
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462 // void LcAppLauncher::LaunchWebBroserL |
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463 // --------------------------------------------------------------------------- |
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464 // |
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465 void CLcAppLauncher::LaunchWebBroserL( const TDesC& aUrl, |
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466 TBool aStandAlone, |
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467 MLcAppExitObserver* aObserver ) |
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468 { |
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469 // The parameters need to be packed in the order specified by the browser. |
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470 // Parameters are separated by space |
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471 // 1st parameter: Type of the second parameter. In this case 4 to indicate |
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472 // that the second parameter is a URL. |
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473 // 2nd parameter: URL that needs to be launched in the browser. |
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474 // Since we have to pack "4 " before the URL name, the total length of |
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475 // the parameter string should be Length of the URL + 2. |
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476 HBufC* param = HBufC::NewLC(( 2 + aUrl.Length())); |
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477 param->Des().Append( KLcFourSpace ); |
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478 param->Des().Append( aUrl ); |
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479 |
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480 if ( aStandAlone ) |
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481 { |
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482 // The URL is launched in the Browser. Set the Browser UID as the UID |
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483 // of the application which needs to be launched. |
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484 const TInt KBrowserUid = 0x10008D39; |
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485 TUid id( TUid::Uid( KBrowserUid ) ); |
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486 |
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487 // Check if the Browser application is already running. Incase its |
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488 // running Open this URL in the browser. |
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489 TApaTaskList taskList( CEikonEnv::Static()->WsSession() ); |
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490 TApaTask task = taskList.FindApp( id ); |
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491 if ( task.Exists() ) |
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492 { |
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493 // The browser is running. Launch the URL. |
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494 HBufC8* param8 = HBufC8::NewLC( param->Length() ); |
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495 param8->Des().Append( *param ); |
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496 task.SendMessage( TUid::Uid( 0 ), *param8 ); // UID is not used |
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497 CleanupStack::PopAndDestroy(); |
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498 } |
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499 else |
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500 { |
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501 // The browser is not running. Start the browser application with |
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502 // the specified parameter. This is done by launching the browser with |
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503 // a document name as the URL. |
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504 RApaLsSession appArcSession; |
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505 |
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506 // Connect to the Application architecture server. |
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507 User::LeaveIfError( appArcSession.Connect()); |
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508 CleanupClosePushL( appArcSession ); |
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509 TThreadId id; |
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510 |
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511 // Start the browser with the URL |
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512 User::LeaveIfError( appArcSession.StartDocument( *param, |
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513 TUid::Uid( KBrowserUid ), |
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514 id )); |
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515 CleanupStack::PopAndDestroy( &appArcSession ); |
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516 } |
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517 } |
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518 else |
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519 { |
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520 |
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521 if ( !iBrowserLauncher ) |
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522 { |
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523 // Create the Browser instance |
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524 iBrowserLauncher = CSchemeHandler::NewL( aUrl ); |
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525 } |
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526 |
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527 // Launch the Web URL in a browser in the Embedded mode. |
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528 iBrowserLauncher->HandleUrlEmbeddedL(); |
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529 iBrowserLauncher->Observer( this ); |
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530 |
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531 // Set the Observer incase we need to notify the termination of the |
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532 // browser |
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533 aObserver ? ( iExitObserver = aObserver ) : NULL; |
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534 |
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535 isEmbeddedLaunchOutstanding = ETrue; |
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536 } |
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537 CleanupStack::PopAndDestroy( param ); // param |
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538 |
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539 } |
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540 |
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541 // --------------------------------------------------------------------------- |
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542 // void LcAppLauncher::LaunchContentL |
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543 // --------------------------------------------------------------------------- |
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544 // |
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545 void CLcAppLauncher::LaunchContentL( const TDesC& aFileName, |
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546 TBool aStandAlone, |
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547 MLcAppExitObserver* aObserver ) |
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548 { |
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549 if ( !iDocHandler ) |
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550 { |
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551 iDocHandler = CDocumentHandler::NewL(); |
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552 iDocHandler->SetExitObserver( this ); |
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553 } |
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554 |
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555 TDataType dataType; |
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556 if ( aStandAlone ) |
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557 { |
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558 // The return values are ignored since, the User Cancelling the event doesnt |
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559 // make any difference to the Client Application |
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560 User::LeaveIfError( iDocHandler->OpenFileL( aFileName, dataType )); |
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561 } |
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562 else |
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563 { |
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564 iExitObserver = aObserver; |
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565 // The return values are ignored since, the User Cancelling the event doesnt |
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566 // make any difference to the Client Application |
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567 User::LeaveIfError( iDocHandler->OpenFileEmbeddedL( aFileName, dataType )); |
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568 |
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569 isEmbeddedLaunchOutstanding = ETrue; |
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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 // void LcAppLauncher::HandleServerAppExit |
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575 // --------------------------------------------------------------------------- |
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576 // |
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577 void CLcAppLauncher::HandleServerAppExit( TInt aReason ) |
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578 { |
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579 isEmbeddedLaunchOutstanding = EFalse; |
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580 |
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581 // Delete the App Service |
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582 delete iAppService; |
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583 iAppService = NULL; |
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584 |
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585 MLcAppExitObserver* observer = iExitObserver; |
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586 if ( observer ) |
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587 { |
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588 // Once the request has been issued we can NULLify the observer. Nullifying |
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589 // it before the actual callback to faciliate the launching of another app |
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590 // with an exit observer when the call is executed. |
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591 iExitObserver = NULL; |
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592 |
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593 TRAP_IGNORE( observer->HandleChainedLocationAppExitL( aReason )); |
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594 } |
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595 |
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596 MAknServerAppExitObserver::HandleServerAppExit( aReason ); |
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597 } |
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598 |
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599 // End of File |
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600 |
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