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1 // Copyright (c) 1995-2009 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 // Window server 'server' class |
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15 // |
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16 // |
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17 |
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18 #include "server.h" |
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19 #include "panics.h" |
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20 #include "wstop.h" |
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21 #include "EVENT.H" |
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22 #include <Graphics/WSGRAPHICDRAWERINTERFACE.H> |
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23 #include <bitdraw.h> |
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24 #include <hal.h> |
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25 #include "inifile.h" |
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26 #include "wspluginmanager.h" |
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27 #include "graphics/windowserverconstants.h" |
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28 |
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29 GLREF_D CDebugLogBase *wsDebugLog; |
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30 |
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31 const TUint KRangeCount = 1; |
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32 // We use a lot of 64 bit time calculations, but a periodic can only cope with signed 32 bit times |
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33 // which gives them a limit of about 35 minutes. |
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34 // Fortunately, our animtions are safe if redrawn early. Every half an hour isn't going to hurt. |
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35 const TTimeIntervalMicroSeconds KHalfHour = 30 * 60 * 1000 * 1000; |
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36 |
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37 const TInt KWsServRanges[KRangeCount] = |
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38 { |
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39 0 |
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40 }; |
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41 |
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42 const TUint8 KElementsIndex[KRangeCount] = |
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43 { |
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44 CPolicyServer::EAlwaysPass, |
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45 }; |
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46 |
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47 const CPolicyServer::TPolicyElement KPolicyElements[] = |
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48 { |
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49 {_INIT_SECURITY_POLICY_C1(ECapabilityPowerMgmt), CPolicyServer::EFailClient}, |
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50 {_INIT_SECURITY_POLICY_C1(ECapabilitySwEvent), CPolicyServer::EFailClient}, |
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51 {_INIT_SECURITY_POLICY_C1(ECapabilityWriteDeviceData), CPolicyServer::EFailClient} |
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52 }; |
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53 |
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54 const CPolicyServer::TPolicy KWsServPolicy = |
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55 { |
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56 CPolicyServer::EAlwaysPass, |
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57 KRangeCount, |
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58 KWsServRanges, |
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59 KElementsIndex, |
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60 KPolicyElements |
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61 }; |
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62 |
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63 // CWindowServer::CDefaultAnimationScheduler \\\\\\\\\\\\\\\\\\\\\\\\\\\ |
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64 |
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65 class CWindowServer::CDefaultAnimationScheduler: public CBase, public MWsAnimationScheduler |
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66 { |
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67 // Associates a screen number with a CActiveSchedulerWait intance. This is used to |
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68 // achieve synchronous update completion on a specific screen. |
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69 class CScreenUpdateWait : public CActiveSchedulerWait |
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70 { |
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71 public: |
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72 CScreenUpdateWait(TInt aScreenNumber) : iScreenNumber (aScreenNumber) {} |
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73 TInt iScreenNumber; |
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74 }; |
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75 |
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76 struct TScreenUpdateDetails |
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77 { |
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78 CWindowServer::CDefaultAnimationScheduler* iScheduler; |
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79 TInt iScreenNumber; |
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80 }; |
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81 |
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82 struct TSchedule |
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83 { |
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84 MWsScreen* iScreen; // used as a unique index, searching with FindInUnsignedKeyOrder |
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85 TInt iScreenNumber; |
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86 TBool iScheduled; |
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87 TTime iWhen; |
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88 TBool iRedraw; |
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89 }; |
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90 public: |
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91 enum TInactivityBehaviour |
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92 { |
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93 EStopAnimation, |
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94 EStopAllDrawing, |
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95 EIgnore, |
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96 }; |
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97 class CScreenState; |
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98 |
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99 CDefaultAnimationScheduler(MWsGraphicDrawerEnvironment& aEnv); |
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100 ~CDefaultAnimationScheduler(); |
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101 void ConstructL(); //LeaveScan: member of nested class declaration |
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102 // implementing MWsAnimationScheduler |
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103 void ScheduleAnimation(MWsScreen& aScreen,const TTime& aWhen); |
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104 void UnscheduleAnimation(MWsScreen& aScreen); |
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105 void Invalidate(const TGraphicDrawerId& aId); |
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106 void OnInactive(); |
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107 void OnActive(); |
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108 void ScheduleRedraw(MWsScreen& aScreen,const TTime& aWhen); |
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109 void DoRedrawNow(MWsScreen& aScreen); |
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110 private: |
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111 static TBool OnIdleCallBack(TAny* aAny); |
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112 void ScheduleUpdate (TInt aScreenNumber, TBool aForce); |
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113 void OnIdleCallBack(TBool aForce); |
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114 static TBool InvokeDueAnimation(TAny* aAny); |
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115 void RedrawAllInvalidatedRegions (TInt aScreen); |
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116 TSchedule* GetScheduledScreenUpdate(TInt aScreen); |
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117 void InvokeDueAnimation(TInt aScreen); |
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118 void ProcessUpdateCompletion (TInt aScreenNumber); |
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119 TInt ScreenNumber(MWsScreen& aScreen) const; |
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120 TTimeIntervalMicroSeconds GetDueDelta (TBool aForceRedraw, TSchedule* aScheduledUpdate); |
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121 private: |
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122 RPointerArray<CScreenUpdateWait> iRedrawWaitLoop; |
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123 RPointerArray<CScreenState> iScreenState; |
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124 MWsGraphicDrawerEnvironment& iEnv; |
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125 static const TInt64 KRedrawGrace; |
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126 static const TInt64 KAnimationGrace; |
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127 CAsyncCallBack* iIdleInitiator; |
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128 TBool iInRedrawNow; |
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129 RArray<TSchedule> iSchedule; |
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130 TBool iInactive; |
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131 TBool iInactiveDraws; |
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132 TBool iRedrawScheduled; |
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133 TInt64 iRedrawGracePeriod; |
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134 TInt64 iAnimationGracePeriod; |
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135 TInactivityBehaviour iInactivityBehaviour; |
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136 }; |
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137 |
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138 class CWindowServer::CDefaultAnimationScheduler::CScreenState : public CActive |
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139 { |
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140 public: |
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141 static CScreenState* NewL (CDefaultAnimationScheduler* aScheduler, TInt aScreenOrdinal); |
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142 ~CScreenState(); |
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143 void SetActive (); |
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144 |
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145 CPeriodic* iUpdateOn; |
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146 TTime iExpectedTickTime; |
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147 TScreenUpdateDetails iScreenUpdateDetails; |
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148 RArray<TGraphicDrawerId> iInvalidated; |
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149 TBool iInvalidateAll; |
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150 |
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151 private: |
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152 CScreenState (CDefaultAnimationScheduler* aScheduler, TInt aScreenOrdinal); |
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153 void ConstructL (); |
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154 |
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155 void RunL(); |
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156 void DoCancel() |
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157 { |
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158 TRequestStatus* tmpTRS = &iStatus; |
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159 User::RequestComplete(tmpTRS, KErrNone); |
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160 }; |
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161 }; |
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162 |
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163 // If using the default animation scheduler on a device, these two numbers may be worth tweaking in the inifile |
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164 // However, both are maximum periods - wserv will go faster than either if nothing else is using the system. |
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165 const TInt64 CWindowServer::CDefaultAnimationScheduler::KRedrawGrace = 0; // do redraws immediately |
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166 const TInt64 CWindowServer::CDefaultAnimationScheduler::KAnimationGrace = 0; // do animation redraws immediately |
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167 |
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168 CWindowServer::CDefaultAnimationScheduler::CDefaultAnimationScheduler(MWsGraphicDrawerEnvironment& aEnv): |
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169 iEnv(aEnv), iSchedule(1,_FOFF(TSchedule,iScreen)) |
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170 { |
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171 } |
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172 |
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173 CWindowServer::CDefaultAnimationScheduler::~CDefaultAnimationScheduler() |
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174 { |
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175 iSchedule.Close(); |
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176 delete iIdleInitiator; |
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177 |
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178 TInt screenCount = iScreenState.Count(); |
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179 for (TInt ii = 0; ii < screenCount; ii++) |
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180 delete iScreenState[ii]; |
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181 |
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182 iScreenState.Close(); |
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183 |
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184 // Destroy the redraw wait loops associated each screen, and close |
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185 // the associated Array objects. |
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186 TInt waitLoopCount = iRedrawWaitLoop.Count(); |
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187 for (TInt waitLoop = 0; waitLoop < waitLoopCount; waitLoop++) |
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188 delete iRedrawWaitLoop[waitLoop]; |
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189 iRedrawWaitLoop.Close(); |
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190 } |
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191 |
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192 void CWindowServer::CDefaultAnimationScheduler::ConstructL() |
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193 { |
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194 _LIT(KOnInactive,"ONINACTIVE"); |
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195 _LIT(KStopAnimation,"STOPANIMATION"); |
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196 _LIT(KStopAllDrawing,"STOPALLDRAWING"); |
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197 _LIT(KIgnore,"IGNORE"); |
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198 |
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199 TPtrC inactivityBehaviourString; |
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200 WsIniFile->FindVar(KOnInactive,inactivityBehaviourString); |
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201 if(inactivityBehaviourString.CompareF(KStopAnimation)==0) |
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202 iInactivityBehaviour = EStopAnimation; |
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203 else if(inactivityBehaviourString.CompareF(KStopAllDrawing)==0) |
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204 iInactivityBehaviour = EStopAllDrawing; |
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205 else if(inactivityBehaviourString.CompareF(KIgnore)==0) |
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206 iInactivityBehaviour = EIgnore; |
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207 |
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208 _LIT(KRedrawGracePeriod, "REDRAWGRACEPERIOD"); |
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209 TInt tmp = KRedrawGrace; |
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210 WsIniFile->FindVar(KRedrawGracePeriod, tmp); |
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211 iRedrawGracePeriod = tmp; |
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212 |
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213 _LIT(KAnimationGracePeriod, "ANIMATIONGRACEPERIOD"); |
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214 tmp = KAnimationGrace; |
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215 WsIniFile->FindVar(KAnimationGracePeriod, tmp); |
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216 iAnimationGracePeriod = tmp; |
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217 |
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218 iIdleInitiator = new(ELeave) CAsyncCallBack(TCallBack(OnIdleCallBack,this),EWsGraphicAnimateAwaitIdlePriority); |
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219 |
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220 TInt screenCount; |
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221 User::LeaveIfError(HAL::Get( HAL::EDisplayNumberOfScreens, screenCount)); |
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222 for (TInt i = 0; i < screenCount; i++) |
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223 { |
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224 CScreenState* screenState = CScreenState::NewL (this, i); |
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225 CleanupStack::PushL(screenState); |
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226 iScreenState.AppendL (screenState); |
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227 CleanupStack::Pop(screenState); |
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228 } |
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229 |
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230 |
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231 // Ensure that the wait loop array has some allocated slots, making it highly |
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232 // unlikely that Append() will fail due to OOM. |
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233 iRedrawWaitLoop.ReserveL (8); |
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234 } |
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235 |
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236 void CWindowServer::CDefaultAnimationScheduler::Invalidate(const TGraphicDrawerId& aId) |
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237 { |
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238 const TInt screenCount = iEnv.ScreenCount(); |
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239 for(TInt ii = 0; ii < screenCount; ii++) |
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240 { |
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241 CScreenState* screenState = iScreenState[ii]; |
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242 if(!screenState->iInvalidateAll) |
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243 { |
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244 switch(screenState->iInvalidated.InsertInOrder(aId,TLinearOrder<TGraphicDrawerId>(TGraphicDrawerId::Compare))) |
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245 { |
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246 case KErrNone: |
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247 case KErrAlreadyExists: |
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248 break; |
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249 default: |
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250 screenState->iInvalidateAll = ETrue; |
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251 screenState->iInvalidated.Reset(); |
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252 } |
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253 } |
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254 } |
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255 iIdleInitiator->CallBack(); |
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256 } |
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257 |
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258 CWindowServer::CDefaultAnimationScheduler::CScreenState::CScreenState (CDefaultAnimationScheduler* aScheduler, TInt aScreenNumber): |
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259 CActive(EComposeCompletePriority) |
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260 { |
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261 iScreenUpdateDetails.iScheduler = aScheduler; |
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262 iScreenUpdateDetails.iScreenNumber = aScreenNumber; |
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263 } |
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264 |
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265 CWindowServer::CDefaultAnimationScheduler::CScreenState* |
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266 CWindowServer::CDefaultAnimationScheduler::CScreenState::NewL (CDefaultAnimationScheduler* aScheduler, TInt aScreenOrdinal) |
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267 { |
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268 CScreenState* self = new(ELeave)CScreenState(aScheduler, aScreenOrdinal); |
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269 CleanupStack::PushL(self); |
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270 self->ConstructL(); |
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271 CleanupStack::Pop(self); |
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272 return self; |
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273 } |
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274 |
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275 void CWindowServer::CDefaultAnimationScheduler::CScreenState::ConstructL () |
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276 { |
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277 iUpdateOn = CPeriodic::NewL(EComposeCompletePriority); |
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278 CActiveScheduler::Add(this); |
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279 } |
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280 |
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281 CWindowServer::CDefaultAnimationScheduler::CScreenState::~CScreenState() |
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282 { |
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283 CActive::Cancel(); |
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284 iInvalidated.Close(); |
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285 delete iUpdateOn; |
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286 } |
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287 |
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288 void CWindowServer::CDefaultAnimationScheduler::CScreenState::SetActive() |
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289 { |
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290 CActive::SetActive (); |
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291 } |
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292 |
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293 /** |
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294 Invoked when the rendering pipline signals that it is ready to recieve updated. |
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295 */ |
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296 void CWindowServer::CDefaultAnimationScheduler::CScreenState::RunL() |
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297 { |
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298 iScreenUpdateDetails.iScheduler->ProcessUpdateCompletion (iScreenUpdateDetails.iScreenNumber); |
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299 } |
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300 |
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301 void CWindowServer::CDefaultAnimationScheduler::ProcessUpdateCompletion (TInt aScreenNumber) |
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302 { |
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303 // Stop all waitloops related to the specified screen. |
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304 TInt waitLoopCount = iRedrawWaitLoop.Count(); |
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305 for (TInt waitLoop = 0; waitLoop < waitLoopCount; waitLoop++) |
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306 if (iRedrawWaitLoop[waitLoop]->IsStarted() && (iRedrawWaitLoop[waitLoop]->iScreenNumber == aScreenNumber)) |
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307 iRedrawWaitLoop[waitLoop]->AsyncStop(); |
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308 |
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309 // Perform any outstanding redraws on the specified screen. |
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310 ScheduleUpdate (aScreenNumber, ETrue); |
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311 } |
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312 |
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313 /** |
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314 Switch to deactivate animation or drawing (based on setting of iInactivityBehaviour). |
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315 See InvokeDueAnimation(). |
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316 */ |
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317 void CWindowServer::CDefaultAnimationScheduler::OnInactive() |
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318 { |
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319 iInactive = ETrue; |
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320 } |
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321 |
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322 /** |
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323 Switch to deactivate/activate animation or drawing (based on setting of iInactivityBehaviour). |
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324 See InvokeDueAnimation(). |
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325 */ |
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326 void CWindowServer::CDefaultAnimationScheduler::OnActive() |
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327 { |
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328 iInactive = EFalse; |
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329 if(iInactiveDraws) |
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330 { |
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331 iInactiveDraws = EFalse; |
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332 iIdleInitiator->CallBack(); |
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333 } |
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334 } |
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335 |
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336 void CWindowServer::CDefaultAnimationScheduler::ScheduleRedraw(MWsScreen& aScreen,const TTime& aWhen) |
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337 { |
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338 iRedrawScheduled = ETrue; |
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339 ScheduleAnimation(aScreen, aWhen); |
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340 } |
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341 |
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342 /** |
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343 Given a MWsScreen pointer, return an integer value representing the ordinal position |
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344 of the screen in the Window Server. |
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345 */ |
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346 TInt CWindowServer::CDefaultAnimationScheduler::ScreenNumber(MWsScreen& aScreen) const |
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347 { |
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348 TInt numberOfScreens = CWsTop::NumberOfScreens(); |
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349 TInt theScreen; |
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350 |
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351 for (theScreen = 0; theScreen < numberOfScreens; theScreen++) |
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352 if (CWsTop::Screen(theScreen) == &aScreen) |
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353 break; |
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354 |
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355 WS_ASSERT_DEBUG(theScreen < numberOfScreens, EWsPanicWsGraphic); |
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356 return theScreen; |
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357 } |
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358 |
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359 /** |
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360 Perform redraw and return only when completed. |
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361 NOTE: This method uses CActiveSchedulerWait to run a "modal wait loop" while the |
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362 redraw complete signal is pending. When the signal is recieved, AsyncStop() is |
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363 invoked on all active wait loops for the signalling screen. |
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364 */ |
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365 void CWindowServer::CDefaultAnimationScheduler::DoRedrawNow(MWsScreen& aScreen) |
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366 { |
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367 TInt screenNumber = ScreenNumber (aScreen); |
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368 TInt redrawCount = 0; |
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369 |
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370 // redrawCount is the number of times we should wait for redraws to complete. |
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371 // If a redraw is not currently active then we need to wait (at most) once: for |
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372 // any outstanding scheduled update to complete. |
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373 // If a redraw is currently active then we need to wait (at most) twice: once for |
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374 // the current update to complete, and once for any outstanding scheduled update to complete. |
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375 if (!iScreenState[screenNumber]->IsActive()) |
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376 { |
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377 // No animation in progress, so force a redraw of due updates. |
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378 ScheduleUpdate(screenNumber, ETrue); |
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379 |
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380 // If there is still nothing drawing, set redrawCount to zero to make sure we do not wait. |
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381 if (!iScreenState[screenNumber]->IsActive()) |
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382 redrawCount = 0; |
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383 else |
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384 redrawCount = 1; |
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385 } |
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386 else |
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387 redrawCount = 2; |
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388 |
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389 // Wait for the sepecified number of redraws. |
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390 if (redrawCount) |
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391 { |
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392 // Allocate the wait loop on the stack so we are not subject to heap OOM. |
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393 TBuf8<sizeof (CScreenUpdateWait)> buf; |
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394 Mem::FillZ(&buf, sizeof (CScreenUpdateWait)); |
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395 CScreenUpdateWait* waitLoop = new (&buf) CScreenUpdateWait(screenNumber); |
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396 if (iRedrawWaitLoop.Append(waitLoop) == KErrNone) |
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397 { |
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398 // Run the active scheduler while updates are active |
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399 while (redrawCount-- && iScreenState[screenNumber]->IsActive()) |
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400 waitLoop->Start(); |
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401 |
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402 iRedrawWaitLoop.Remove(iRedrawWaitLoop.Count() - 1); |
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403 } |
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404 waitLoop->~CScreenUpdateWait(); |
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405 } |
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406 } |
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407 |
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408 /** |
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409 Schedule an update for a specific screen at a given point in time. |
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410 */ |
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411 void CWindowServer::CDefaultAnimationScheduler::ScheduleAnimation(MWsScreen& aScreen, const TTime& aWhen) |
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412 { |
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413 TSchedule schedule; |
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414 schedule.iScreen = &aScreen; |
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415 schedule.iScheduled = ETrue; |
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416 schedule.iWhen = aWhen; |
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417 schedule.iScreenNumber = ScreenNumber (aScreen); |
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418 schedule.iRedraw = iRedrawScheduled; |
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419 iRedrawScheduled = EFalse; |
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420 TBool ok = EFalse; |
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421 const TInt idx = iSchedule.FindInUnsignedKeyOrder(schedule); |
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422 if(0 <= idx) |
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423 { |
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424 TSchedule& currSchedule=iSchedule[idx]; |
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425 if(currSchedule.iScheduled) |
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426 { |
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427 if(currSchedule.iWhen > aWhen) |
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428 { |
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429 currSchedule.iWhen = aWhen; |
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430 } |
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431 } |
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432 else |
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433 { |
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434 currSchedule = schedule; |
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435 } |
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436 ok = ETrue; |
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437 } |
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438 else |
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439 ok = (KErrNone == iSchedule.InsertInUnsignedKeyOrder(schedule)); |
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440 |
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441 if(ok) |
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442 iIdleInitiator->CallBack(); |
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443 } |
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444 |
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445 void CWindowServer::CDefaultAnimationScheduler::UnscheduleAnimation(MWsScreen& aScreen) |
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446 { |
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447 TSchedule schedule; |
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448 schedule.iScreen = &aScreen; |
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449 const TInt idx = iSchedule.FindInUnsignedKeyOrder(schedule); |
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450 if(0 <= idx) |
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451 iSchedule[idx].iScheduled = EFalse; |
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452 } |
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453 |
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454 TBool CWindowServer::CDefaultAnimationScheduler::OnIdleCallBack(TAny* aAny) |
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455 { |
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456 WS_ASSERT_DEBUG(aAny, EWsPanicWsGraphic); |
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457 |
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458 if(aAny) |
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459 static_cast<CDefaultAnimationScheduler*>(aAny)->OnIdleCallBack(EFalse); |
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460 |
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461 return EFalse; //ignored by caller |
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462 } |
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463 |
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464 void CWindowServer::CDefaultAnimationScheduler::OnIdleCallBack(TBool aForce) |
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465 { |
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466 const TInt screenCount = iEnv.ScreenCount(); |
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467 for(TInt ii = 0; ii < screenCount; ii++) |
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468 ScheduleUpdate (ii, aForce); |
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469 } |
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470 |
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471 |
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472 |
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473 /** |
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474 @return The number of microseconds (from now) that the specified scheduled update should be run at. This |
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475 takes into account any set grace period and protects the scheduler from entering an infinite loop servicing |
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476 animations with back-to-back frame updates. |
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477 */ |
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478 TTimeIntervalMicroSeconds CWindowServer::CDefaultAnimationScheduler::GetDueDelta (TBool aForceRedraw, TSchedule* aScheduledUpdate) |
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479 { |
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480 WS_ASSERT_DEBUG(aScheduledUpdate, EWsPanicWsGraphic); |
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481 WS_ASSERT_DEBUG(aScheduledUpdate->iScheduled, EWsPanicWsGraphic); |
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482 |
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483 TTime now; |
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484 TInt64 grace = I64LIT(0); |
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485 TTimeIntervalMicroSeconds thisUpdateDueIn = I64LIT(0); //Microseconds from now |
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486 |
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487 // Only use grace periods if not forcing due updates. |
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488 if (!aForceRedraw) |
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489 { |
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490 if (aScheduledUpdate->iRedraw) |
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491 grace = iRedrawGracePeriod; |
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492 else |
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493 grace = iAnimationGracePeriod; |
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494 } |
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495 |
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496 now.UniversalTime(); |
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497 thisUpdateDueIn = aScheduledUpdate->iWhen.MicroSecondsFrom(now); |
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498 |
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499 // Add the grace period if the update is due in less time than the grace period. |
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500 if (thisUpdateDueIn < grace) |
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501 thisUpdateDueIn = grace; |
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502 else if (thisUpdateDueIn > KHalfHour) |
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503 thisUpdateDueIn = KHalfHour; |
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504 |
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505 return thisUpdateDueIn; |
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506 } |
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507 |
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508 /** |
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509 Schedule an actual screen update at the point in time at which it is due. The due time may be modified by |
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510 this method based on any "grace period" values. |
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511 |
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512 @param aScreen Screen number to update. |
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513 @param aForceRedraw Force redraws that are due. This causes grace periods not to be used. |
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514 */ |
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515 void CWindowServer::CDefaultAnimationScheduler::ScheduleUpdate (TInt aScreenNumber, TBool aForceRedraw) |
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516 { |
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517 // Schedule updates for any invalidated regions. |
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518 RedrawAllInvalidatedRegions (aScreenNumber); |
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519 |
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520 TSchedule* scheduledUpdate = GetScheduledScreenUpdate(aScreenNumber); |
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521 if (scheduledUpdate) |
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522 { |
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523 WS_ASSERT_DEBUG(scheduledUpdate->iScheduled, EWsPanicWsGraphic); |
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524 WS_ASSERT_DEBUG(aScreenNumber < iScreenState.Count(), EWsPanicWsGraphic); |
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525 |
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526 CScreenState& screenState = *iScreenState[aScreenNumber]; |
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527 |
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528 // Initiate redraw if scheduled and not currently updating the display. |
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529 if(!screenState.IsActive()) |
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530 { |
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531 TTimeIntervalMicroSeconds thisUpdateDueIn = |
|
532 GetDueDelta (aForceRedraw, scheduledUpdate); |
|
533 |
|
534 // Reschedule any preexisting update if this one is due earlier. |
|
535 // If this update is not due earlier than a preexisting update then |
|
536 // there is nothing to do - just let the pending update occur. |
|
537 TTime now; |
|
538 now.UniversalTime(); |
|
539 TBool performUpdate = ETrue; |
|
540 if(screenState.iUpdateOn->IsActive()) |
|
541 { |
|
542 if (thisUpdateDueIn < screenState.iExpectedTickTime.MicroSecondsFrom(now)) |
|
543 screenState.iUpdateOn->Cancel(); |
|
544 else |
|
545 performUpdate = EFalse; |
|
546 } |
|
547 |
|
548 if (performUpdate) |
|
549 { |
|
550 if (thisUpdateDueIn.Int64() == 0) // Perform an immediate update if we are due. |
|
551 { |
|
552 screenState.iExpectedTickTime = now; |
|
553 InvokeDueAnimation(aScreenNumber); |
|
554 } |
|
555 else // Schedule the tick at the appropriate time. |
|
556 { |
|
557 WS_ASSERT_DEBUG(thisUpdateDueIn.Int64() > 0, EWsPanicWsGraphic); |
|
558 screenState.iExpectedTickTime = now + thisUpdateDueIn; |
|
559 screenState.iUpdateOn->Start(thisUpdateDueIn.Int64(),0,TCallBack(InvokeDueAnimation, &screenState.iScreenUpdateDetails)); |
|
560 } |
|
561 } |
|
562 } |
|
563 } |
|
564 } |
|
565 |
|
566 /** |
|
567 @return A pointer to the scheduled update details currently associated with the specified screen. |
|
568 If there is no scheduled update then NULL is returned. |
|
569 @note There is only ever one scheduled update per screen. |
|
570 */ |
|
571 CWindowServer::CDefaultAnimationScheduler::TSchedule* CWindowServer::CDefaultAnimationScheduler::GetScheduledScreenUpdate(TInt aScreenNumber) |
|
572 { |
|
573 TSchedule* result = NULL; |
|
574 const TInt count = iSchedule.Count(); |
|
575 for(TInt ii = 0; ii < count; ii++) |
|
576 { |
|
577 if (iSchedule[ii].iScreenNumber == aScreenNumber) |
|
578 { |
|
579 if (iSchedule[ii].iScheduled) |
|
580 result = &iSchedule[ii]; |
|
581 break; |
|
582 } |
|
583 } |
|
584 |
|
585 return result; |
|
586 } |
|
587 |
|
588 /** |
|
589 Redraw invalidated graphic IDs. If invalid regions exist, this will cause ScheduleRedraw() to be invoked. |
|
590 */ |
|
591 void CWindowServer::CDefaultAnimationScheduler::RedrawAllInvalidatedRegions (TInt aScreen) |
|
592 { |
|
593 WS_ASSERT_DEBUG(iScreenState.Count() > aScreen, EWsPanicWsGraphic); |
|
594 |
|
595 CScreenState& screenState = *iScreenState[aScreen]; |
|
596 if(screenState.iInvalidateAll || screenState.iInvalidated.Count()) |
|
597 { |
|
598 const TArray<TGraphicDrawerId> invalidArray = screenState.iInvalidated.Array(); |
|
599 MWsScreen* screen = iEnv.Screen(aScreen); |
|
600 WS_ASSERT_DEBUG(screen, EWsPanicWsGraphic); |
|
601 if(screen) |
|
602 { |
|
603 if(screenState.iInvalidateAll) |
|
604 Redraw(*screen); |
|
605 else |
|
606 RedrawInvalid(*screen, screenState.iInvalidated.Array()); |
|
607 } |
|
608 screenState.iInvalidateAll = EFalse; |
|
609 } |
|
610 screenState.iInvalidated.Reset(); |
|
611 } |
|
612 |
|
613 TBool CWindowServer::CDefaultAnimationScheduler::InvokeDueAnimation(TAny* aAny) |
|
614 { |
|
615 WS_ASSERT_DEBUG(aAny, EWsPanicWsGraphic); |
|
616 TScreenUpdateDetails* args = reinterpret_cast<TScreenUpdateDetails*>(aAny); |
|
617 if(args) |
|
618 args->iScheduler->InvokeDueAnimation (args->iScreenNumber); |
|
619 |
|
620 return EFalse; |
|
621 } |
|
622 |
|
623 void CWindowServer::CDefaultAnimationScheduler::InvokeDueAnimation(TInt aScreen) |
|
624 { |
|
625 WS_ASSERT_DEBUG(aScreen < iScreenState.Count(), EWsPanicWsGraphic); |
|
626 CScreenState& screenState = *iScreenState[aScreen]; |
|
627 WS_ASSERT_DEBUG(!screenState.IsActive(), EWsPanicWsGraphic); |
|
628 |
|
629 // All updates are driven through ScheduleRedraw() and ScheduleAnimation(). |
|
630 screenState.iUpdateOn->Cancel(); |
|
631 |
|
632 TSchedule* scheduledUpdate = GetScheduledScreenUpdate(aScreen); |
|
633 if (scheduledUpdate) |
|
634 { |
|
635 WS_ASSERT_DEBUG(scheduledUpdate->iScheduled, EWsPanicWsGraphic); |
|
636 |
|
637 // Honour any flags that indicate we should not redraw. |
|
638 switch(iInactivityBehaviour) |
|
639 { |
|
640 case EStopAnimation : |
|
641 // Stop server side drawing. Only the client may redraw if iInactive is set. |
|
642 if(iInactive && !scheduledUpdate->iRedraw) |
|
643 { |
|
644 iInactiveDraws = ETrue; |
|
645 return; |
|
646 } |
|
647 break; |
|
648 case EStopAllDrawing : |
|
649 // Stop both client and server side drawing. |
|
650 if(iInactive) |
|
651 { |
|
652 iInactiveDraws = ETrue; |
|
653 return; |
|
654 } |
|
655 break; |
|
656 case EIgnore : |
|
657 break; |
|
658 default : |
|
659 WS_ASSERT_DEBUG(EFalse, EWsPanicWsGraphic); |
|
660 break; |
|
661 } |
|
662 |
|
663 scheduledUpdate->iScheduled = EFalse; |
|
664 screenState.SetActive(); |
|
665 Animate(*scheduledUpdate->iScreen, &(screenState.iStatus)); |
|
666 } |
|
667 } |
|
668 |
|
669 // CWindowServer::CServer \\\\\\\\\\\\\\\\\\\\\\ |
|
670 |
|
671 class CWindowServer::CServer : public CPolicyServer |
|
672 { |
|
673 public: |
|
674 static CServer* NewL() |
|
675 { |
|
676 return new(ELeave) CServer; |
|
677 } |
|
678 void StartL() |
|
679 { |
|
680 CPolicyServer::StartL(KWSERVServerName); |
|
681 } |
|
682 TInt SessionCount() |
|
683 { |
|
684 iSessionIter.SetToFirst(); |
|
685 TInt count=0; |
|
686 while(iSessionIter++) |
|
687 ++count; |
|
688 return(count); |
|
689 } |
|
690 |
|
691 public: //from CPolicyServer |
|
692 /** Creates a new client for this server. */ |
|
693 CSession2* NewSessionL(const TVersion& aVersion, const RMessage2& aMessage) const |
|
694 { |
|
695 TVersion v(KWservMajorVersionNumber, KWservMinorVersionNumber, KWservBuildVersionNumber); |
|
696 if (User::QueryVersionSupported(v, aVersion)==EFalse) |
|
697 User::Leave(KErrNotSupported); |
|
698 RThread thread; |
|
699 User::LeaveIfError(aMessage.Client(thread)); |
|
700 return(new(ELeave) CWsClient(thread)); |
|
701 } |
|
702 private: |
|
703 CServer() : CPolicyServer(EMainServerPriority, KWsServPolicy) |
|
704 {} |
|
705 }; |
|
706 |
|
707 |
|
708 // CWindowServer \\\\\\\\\\\\\\\\\\\\\\\\\\\ |
|
709 |
|
710 CWindowServer *CWindowServer::NewL() |
|
711 // |
|
712 // Create a new CWindowServer. |
|
713 // |
|
714 { |
|
715 CWindowServer* self = new(ELeave) CWindowServer(); |
|
716 CleanupStack::PushL(self); |
|
717 self->ConstructL(); |
|
718 CleanupStack::Pop(self); |
|
719 return self; |
|
720 } |
|
721 |
|
722 CWindowServer::CWindowServer() |
|
723 // |
|
724 // Constructor. |
|
725 // |
|
726 { |
|
727 } |
|
728 |
|
729 CWindowServer::~CWindowServer() |
|
730 { |
|
731 delete iServer; |
|
732 |
|
733 iMemoryReleases.Reset(); |
|
734 WS_ASSERT_DEBUG(iDrawerMasterIndex.IsEmpty(), EWsPanicWsGraphic); |
|
735 iDrawerMasterIndex.Close(); |
|
736 |
|
737 delete iDefaultAnimationScheduler; |
|
738 iDefaultAnimationScheduler = NULL; //might be called from clients during server destruction |
|
739 iCustomAnimationScheduler = NULL; // not owned |
|
740 } |
|
741 |
|
742 void CWindowServer::ConstructL() |
|
743 { |
|
744 iServer = CServer::NewL(); |
|
745 CWsTop::PluginManager()->InitializePluginsL(*this); // plugins are loaded and own by CWsTop |
|
746 iDefaultAnimationScheduler = new(ELeave) CDefaultAnimationScheduler(*this); |
|
747 iDefaultAnimationScheduler->ConstructL(); |
|
748 RegisterMemoryRelease(this); |
|
749 } |
|
750 |
|
751 void CWindowServer::StartL() |
|
752 { |
|
753 iServer->StartL(); |
|
754 } |
|
755 |
|
756 void CWindowServer::SetPinClientDescriptors(TBool aPin) |
|
757 { |
|
758 iServer->SetPinClientDescriptors(aPin); |
|
759 } |
|
760 |
|
761 TInt CWindowServer::SessionCount() |
|
762 { |
|
763 return iServer->SessionCount(); |
|
764 } |
|
765 |
|
766 const CWsGraphicDrawer* CWindowServer::ResolveGraphic(const TGraphicDrawerId& aId) const |
|
767 { |
|
768 return iDrawerMasterIndex.ResolveGraphic(aId); |
|
769 } |
|
770 |
|
771 void CWindowServer::Invalidate(const TGraphicDrawerId& aId) |
|
772 { |
|
773 AnimationScheduler()->Invalidate(aId); |
|
774 } |
|
775 |
|
776 TInt CWindowServer::ScreenCount() const |
|
777 { |
|
778 return CWsTop::NumberOfScreens(); |
|
779 } |
|
780 |
|
781 MWsScreen* CWindowServer::Screen(TInt aIndex) |
|
782 { |
|
783 if((aIndex >= 0) && (aIndex < ScreenCount())) |
|
784 { |
|
785 return CWsTop::Screen(aIndex); |
|
786 } |
|
787 return NULL; |
|
788 } |
|
789 |
|
790 const MWsScreen* CWindowServer::Screen(TInt aIndex) const |
|
791 { |
|
792 if((aIndex >= 0) && (aIndex < ScreenCount())) |
|
793 { |
|
794 return CWsTop::Screen(aIndex); |
|
795 } |
|
796 return NULL; |
|
797 } |
|
798 |
|
799 /** |
|
800 Custom Animation Scheduler |
|
801 */ |
|
802 TBool CWindowServer::SetCustomAnimationScheduler(MWsAnimationScheduler* aScheduler) |
|
803 { |
|
804 if(!iCustomAnimationScheduler && aScheduler) |
|
805 { |
|
806 iCustomAnimationScheduler = aScheduler; |
|
807 return ETrue; |
|
808 } |
|
809 return EFalse; |
|
810 } |
|
811 |
|
812 TBool CWindowServer::HasCustomAnimationScheduler() const |
|
813 { |
|
814 return !!iCustomAnimationScheduler; |
|
815 } |
|
816 |
|
817 TBool CWindowServer::ClearCustomAnimationScheduler(MWsAnimationScheduler* aCurrentScheduler) |
|
818 { |
|
819 if(iCustomAnimationScheduler && (iCustomAnimationScheduler == aCurrentScheduler)) |
|
820 { |
|
821 iCustomAnimationScheduler = NULL; |
|
822 return ETrue; |
|
823 } |
|
824 return EFalse; |
|
825 } |
|
826 |
|
827 MWsAnimationScheduler* CWindowServer::AnimationScheduler() |
|
828 { |
|
829 if(iCustomAnimationScheduler) |
|
830 { |
|
831 return iCustomAnimationScheduler; |
|
832 } |
|
833 return iDefaultAnimationScheduler; |
|
834 } |
|
835 |
|
836 TInt CWindowServer::RegisterEventHandler(CWsGraphicDrawer* aDrawer, MWsEventHandler* aHandler, TUint32 aEventMask) |
|
837 { |
|
838 if (!aDrawer || !aHandler || aEventMask==0) |
|
839 return KErrArgument; |
|
840 TInt err = TWindowServerEvent::RegisterDrawerHandler(aDrawer, aEventMask); |
|
841 if (err != KErrNone) |
|
842 return err; |
|
843 aDrawer->SetEventHandler(aHandler); |
|
844 return KErrNone; |
|
845 } |
|
846 |
|
847 TInt CWindowServer::UnregisterEventHandler(CWsGraphicDrawer* aDrawer) |
|
848 { |
|
849 if (!aDrawer || (aDrawer && !aDrawer->HasEventHandler())) |
|
850 return KErrArgument; |
|
851 TInt err = TWindowServerEvent::UnregisterDrawerHandler(aDrawer); |
|
852 if (err != KErrNone) |
|
853 return err; |
|
854 aDrawer->SetEventHandler(NULL); |
|
855 return KErrNone; |
|
856 } |
|
857 |
|
858 TInt CWindowServer::RegisterWsEventHandler(MWsEventHandler* aHandler, TUint32 aEventMask) |
|
859 { |
|
860 if (!aHandler || aEventMask==0) |
|
861 return KErrArgument; |
|
862 return TWindowServerEvent::RegisterWsEventHandler(aHandler, aEventMask); |
|
863 } |
|
864 |
|
865 TInt CWindowServer::UnregisterWsEventHandler(MWsEventHandler* aHandler) |
|
866 { |
|
867 return TWindowServerEvent::UnregisterWsEventHandler(aHandler); |
|
868 } |
|
869 |
|
870 TAny* CWindowServer::ResolveObjectInterface(TUint aTypeId) |
|
871 { |
|
872 switch(aTypeId) |
|
873 { |
|
874 case MWsActiveSchedulerDebug::EWsObjectInterfaceId: |
|
875 return static_cast<MWsActiveSchedulerDebug*>(CWsActiveScheduler::Static()); |
|
876 case MWsIniFile::EWsObjectInterfaceId: |
|
877 return static_cast<MWsIniFile*>(WsIniFile); |
|
878 } |
|
879 |
|
880 if (CWsPluginManager *plugMgr=CWsTop::PluginManager()) |
|
881 return plugMgr->ResolveObjectInterface(aTypeId); |
|
882 |
|
883 return NULL; |
|
884 } |
|
885 |
|
886 void CWindowServer::Log(TInt aPriority,const TDesC &aFmt,TInt aParam) |
|
887 { |
|
888 if (wsDebugLog) |
|
889 { |
|
890 wsDebugLog->MiscMessage(aPriority, aFmt, aParam); |
|
891 } |
|
892 } |
|
893 |
|
894 // CWsGraphicDrawer master index |
|
895 |
|
896 TInt CWindowServer::AddGraphicDrawer(CWsGraphicDrawer* aDrawer) |
|
897 { |
|
898 return iDrawerMasterIndex.Add(aDrawer); |
|
899 } |
|
900 |
|
901 TInt CWindowServer::SwapGraphicDrawer(CWsGraphicDrawer* aDrawer) |
|
902 { |
|
903 return iDrawerMasterIndex.Swap(aDrawer); |
|
904 } |
|
905 |
|
906 TInt CWindowServer::RemoveGraphicDrawer(const TGraphicDrawerId& aId) |
|
907 { |
|
908 return iDrawerMasterIndex.Remove(aId); |
|
909 } |
|
910 |
|
911 TInt CWindowServer::RemoveAllGraphicDrawers(const MWsClient& aOwner) |
|
912 { |
|
913 return iDrawerMasterIndex.RemoveAll(aOwner); |
|
914 } |
|
915 |
|
916 TInt CWindowServer::RegisterMemoryRelease(MWsMemoryRelease * aMemoryRelease) |
|
917 { |
|
918 return iMemoryReleases.Append(aMemoryRelease); |
|
919 } |
|
920 |
|
921 void CWindowServer::UnregisterMemoryRelease(MWsMemoryRelease * aMemoryRelease) |
|
922 { |
|
923 for (TInt ii = iMemoryReleases.Count() - 1; ii >= 0; --ii) |
|
924 { |
|
925 if (iMemoryReleases[ii] == aMemoryRelease) |
|
926 { |
|
927 iMemoryReleases.Remove(ii); |
|
928 break; |
|
929 } |
|
930 } |
|
931 } |
|
932 |
|
933 TBool CWindowServer::ReleaseMemory(TMemoryReleaseLevel aLevel) |
|
934 { |
|
935 return CWsWindow::ReleaseMemory(aLevel); |
|
936 } |
|
937 |
|
938 TBool CWindowServer::ReleaseMemory() |
|
939 { |
|
940 TBool released = EFalse; |
|
941 for (TInt level = MWsMemoryRelease::ELow; !released && level <= MWsMemoryRelease::EHigh; ++level) |
|
942 { |
|
943 for (TInt ii = iMemoryReleases.Count() - 1; !released && ii >= 0; --ii) |
|
944 { |
|
945 released = iMemoryReleases[ii]->ReleaseMemory(static_cast<TMemoryReleaseLevel>(level)); |
|
946 } |
|
947 } |
|
948 return released; |
|
949 } |
|
950 |
|
951 void CWindowServer::DestroySessionsForShutdown() |
|
952 { |
|
953 delete iServer; |
|
954 iServer = NULL; |
|
955 } |
|
956 |