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1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #ifndef __APGTASK_H__ |
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17 #define __APGTASK_H__ |
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18 |
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19 #include <e32base.h> |
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20 #include <w32std.h> |
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21 |
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22 class RWsSession; |
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23 struct TKeyEvent; |
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24 |
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25 //gmahe. This is used in the below enum. |
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26 /** @internalTechnology */ |
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27 static const TInt KApaSystemEventsWithPowerMgmtCapabilityStart = 100; |
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28 |
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29 /** @internalTechnology */ |
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30 static const TInt KApaSystemEventsWithPowerMgmtCapabilityEnd = 199; |
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31 |
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32 |
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33 /** Defines the event types that a TApaTask object can send to its window group. |
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34 |
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35 The events are sent by TApaTask::SendSystemEvent() and are handled by CEikAppUi::HandleSystemEventL(). |
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36 |
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37 @publishedAll |
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38 @released |
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39 @see TApaTask::SendSystemEvent() |
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40 @see CEikAppUi |
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41 @see CCoeAppUi::HandleSystemEventL() */ |
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42 enum TApaSystemEvent |
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43 { |
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44 /** The task is being closed. */ |
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45 EApaSystemEventShutdown=1, |
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46 /** Reserved for future use. */ |
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47 EApaSystemEventBackupStarting, |
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48 /** Reserved for future use. */ |
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49 EApaSystemEventBackupComplete, |
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50 /** The task is being brought to the foreground. */ |
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51 EApaSystemEventBroughtToForeground, |
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52 /** Close any tasks including system tasks. |
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53 Events in the range @c KApaSystemEventsWithPowerMgmtCapabilityStart to |
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54 @c KApaSystemEventsWithPowerMgmtCapabilityEnd requires capability PowerMgmt*/ |
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55 EApaSystemEventSecureShutdown = KApaSystemEventsWithPowerMgmtCapabilityStart |
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56 }; |
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57 |
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58 #ifdef _UNICODE |
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59 /** |
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60 @publishedAll |
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61 @released |
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62 */ |
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63 #define KUidApaMessageSwitchOpenFile KUidApaMessageSwitchOpenFile16 |
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64 |
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65 /** |
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66 @publishedAll |
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67 @released |
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68 */ |
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69 #define KUidApaMessageSwitchCreateFile KUidApaMessageSwitchCreateFile16 |
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70 |
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71 /** |
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72 @publishedAll |
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73 @released |
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74 */ |
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75 #define KUidApaMessageSwitchOpenFileValue KUidApaMessageSwitchOpenFileValue16 |
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76 |
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77 /** |
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78 @publishedAll |
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79 @released |
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80 */ |
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81 #define KUidApaMessageSwitchCreateFileValue KUidApaMessageSwitchCreateFileValue16 |
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82 #else |
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83 #define KUidApaMessageSwitchOpenFile KUidApaMessageSwitchOpenFile8 |
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84 #define KUidApaMessageSwitchCreateFile KUidApaMessageSwitchCreateFile8 |
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85 #define KUidApaMessageSwitchOpenFileValue KUidApaMessageSwitchOpenFileValue8 |
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86 #define KUidApaMessageSwitchCreateFileValue KUidApaMessageSwitchCreateFileValue8 |
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87 #endif |
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88 |
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89 /** |
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90 @internalComponent |
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91 */ |
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92 const TInt KUidApaMessageSwitchOpenFileValue16=0x10003A39; |
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93 |
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94 /** |
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95 @internalComponent |
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96 */ |
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97 const TUid KUidApaMessageSwitchOpenFile16={KUidApaMessageSwitchOpenFileValue16}; |
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98 |
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99 /** |
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100 @internalComponent |
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101 */ |
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102 const TInt KUidApaMessageSwitchCreateFileValue16=0x10003A3A; |
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103 |
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104 /** |
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105 @internalComponent |
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106 */ |
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107 const TUid KUidApaMessageSwitchCreateFile16={KUidApaMessageSwitchCreateFileValue16}; |
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108 |
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109 class TApaTask |
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110 /** Application task. |
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111 |
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112 A task is a running application. At any one time, for any given application, |
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113 there may be zero, one, or more tasks running on a device. |
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114 |
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115 A task is identified by its association with the running application's window |
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116 group. |
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117 |
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118 An instance of the TApaTaskList class is used to find and access specific |
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119 tasks. |
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120 |
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121 @publishedAll |
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122 @released |
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123 @see TApaTaskList |
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124 @see RWindowGroup |
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125 @see RWsSession */ |
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126 { |
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127 public: |
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128 |
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129 IMPORT_C TApaTask(RWsSession& aWsSession); |
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130 IMPORT_C void SetWgId(TInt aWgId); |
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131 IMPORT_C TInt WgId() const; |
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132 IMPORT_C TBool Exists() const; |
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133 IMPORT_C TThreadId ThreadId() const; |
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134 IMPORT_C void BringToForeground(); |
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135 IMPORT_C void SendToBackground(); |
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136 IMPORT_C void EndTask(); |
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137 IMPORT_C void KillTask(); |
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138 IMPORT_C void SendKey(TInt aKeyCode,TInt aModifiers); |
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139 IMPORT_C void SendKey(const TKeyEvent& aKey); |
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140 IMPORT_C void SendSystemEvent(TApaSystemEvent aEvent); |
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141 IMPORT_C TInt SwitchOpenFile(const TDesC& aFilename); |
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142 IMPORT_C TInt SwitchCreateFile(const TDesC& aFilename); |
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143 IMPORT_C TInt SendMessage(TUid aUid, const TDesC8& aParams); |
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144 |
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145 private: |
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146 TInt CheckSwitchFile() const; |
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147 void SendSystemEvent(TApaSystemEvent aEvent, TEventCode aType); |
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148 private: |
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149 RWsSession& iWsSession; |
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150 TInt iWgId; |
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151 TInt iTApaTask_Reserved1; |
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152 }; |
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153 |
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154 class TApaTaskList |
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155 /** Accesses tasks running on a device. |
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156 |
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157 Tasks can be identified by document, application specific UID or by caption |
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158 name. |
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159 |
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160 Users of this class can also cycle through a set of tasks running a specific |
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161 application, bringing each one, in turn, into the foreground. |
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162 |
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163 @publishedAll |
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164 @released |
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165 @see TApaTask */ |
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166 { |
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167 public: |
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168 /** Defines the direction in which tasks are cycled to the foreground. This is used |
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169 by the CycleTasks() function. |
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170 |
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171 @see TApaTaskList::CycleTasks() */ |
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172 enum TCycleDirection |
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173 { |
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174 /** Cycles the task list forwards, i.e. the foreground task is moved to background, |
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175 bringing the next foremost task to the foreground. */ |
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176 EForwards, |
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177 /** Cycles the list backwards, i.e. the task furthest from the foreground is brought |
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178 to the foreground, pushing what was the foremost task to the next ordinal |
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179 position. */ |
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180 EBackwards |
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181 }; |
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182 public: |
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183 IMPORT_C TApaTaskList(RWsSession& aWsSession); |
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184 IMPORT_C TApaTask FindApp(const TDesC& aAppName); |
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185 IMPORT_C TApaTask FindDoc(const TDesC& aDocName); |
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186 IMPORT_C TApaTask FindByPos(TInt aPos); |
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187 IMPORT_C TApaTask FindApp(TUid aAppUid); |
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188 IMPORT_C TInt CycleTasks(TUid aAppUid,TCycleDirection aDirection=EForwards); |
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189 |
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190 private: |
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191 void FindByPosL(TApaTask& aTask,TInt aPos); |
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192 private: |
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193 RWsSession& iWsSession; |
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194 TInt iTApaTaskList_Reserved1; |
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195 }; |
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196 |
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197 |
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198 #endif |