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1 // Copyright (c) 2008-2009 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 /** |
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17 @file |
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18 */ |
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19 |
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20 #include "wsdisplaychangeao.h" |
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21 #include "ScrDev.H" |
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22 #include "server.h" |
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23 |
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24 CWsDisplayChangeNotifier::CWsDisplayChangeNotifier(MWsDisplayControl* aNextLevelInterface, CScreen *aOwner) |
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25 :CActive(EEventPriority), iNextLevelInterface(aNextLevelInterface), iOwner(aOwner) |
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26 { |
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27 CActiveScheduler::Add(this); |
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28 } |
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29 |
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30 CWsDisplayChangeNotifier* CWsDisplayChangeNotifier::NewL(MWsDisplayControl* aNextLevelInterface, CScreen *aOwner) |
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31 { |
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32 CWsDisplayChangeNotifier* self = new(ELeave) CWsDisplayChangeNotifier(aNextLevelInterface, aOwner); |
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33 CleanupStack::PushL(self); |
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34 self->ConstructL(); |
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35 CleanupStack::Pop(); |
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36 return self; |
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37 } |
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38 |
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39 void CWsDisplayChangeNotifier::ConstructL() |
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40 { |
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41 iRetry = CEventQueueRetry::NewL(); |
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42 } |
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43 |
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44 void CWsDisplayChangeNotifier::IssueNotificationRequest() |
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45 { |
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46 //before submitting request, save the last resolution list |
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47 iLastErr = iNextLevelInterface->GetResolutions(iLastResList); |
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48 if(iLastErr != KErrNone) |
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49 { |
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50 //probabally KErrDisconnect |
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51 iLastResList.Reset(); |
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52 } |
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53 iNextLevelInterface->NotifyOnDisplayChange(iStatus); |
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54 SetActive(); |
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55 } |
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56 |
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57 void CWsDisplayChangeNotifier::CancelNotificationRequest() |
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58 { |
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59 Cancel(); |
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60 } |
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61 |
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62 void CWsDisplayChangeNotifier::RunL() |
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63 { |
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64 if(iStatus == KErrNone) |
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65 { |
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66 //IssueNotificationRequest() will overwrite iLastResList and iLastErr, save a copy first |
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67 TInt lastErr = iLastErr; |
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68 RArray<MWsDisplayControl::TResolution> lastResList; |
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69 CleanupClosePushL(lastResList); |
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70 lastResList.ReserveL(iLastResList.Count()); |
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71 for(TInt i = 0; i < iLastResList.Count(); i++) |
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72 { |
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73 lastResList.Append(iLastResList[i]); |
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74 } |
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75 //submit request again, this should be called as early as possible in RunL(). Otherwise display change occurs |
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76 //before submitting the request will be missed. |
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77 IssueNotificationRequest(); |
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78 |
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79 RArray<MWsDisplayControl::TResolution> currentResList; |
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80 CleanupClosePushL(currentResList); |
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81 TInt err = iNextLevelInterface->GetResolutions(currentResList); |
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82 if(err != KErrNone) |
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83 { |
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84 //probabally KErrDisconnect |
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85 currentResList.Reset(); |
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86 } |
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87 //return code not equal also counts as an event |
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88 if(!IsResListEqual(currentResList, lastResList) || lastErr != err) |
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89 { |
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90 //first thing is to cancel the retry AO if it's running for the last event |
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91 iRetry->CancelRetry(); |
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92 |
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93 iOwner->IncreaseDisplaySpinner(); |
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94 //put display change event on queue |
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95 RPointerArray<CWsClient> clientArray; |
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96 CleanupClosePushL(clientArray); |
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97 User::LeaveIfError(iOwner->GetNotificationClients(clientArray)); |
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98 TBool eventOnAllQueues = ETrue; |
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99 for(TInt i = 0; i < clientArray.Count(); i++) |
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100 { |
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101 if(!TWindowServerEvent::SendDisplayChangedEvents(clientArray[i], iOwner->ScreenNumber(), |
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102 iOwner->ConfigSpinner(), iOwner->DisplaySpinner())) |
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103 { |
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104 eventOnAllQueues = EFalse; |
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105 clientArray[i]->SetRetryFlag(EEventDisplayChanged); |
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106 } |
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107 } |
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108 CleanupStack::PopAndDestroy(&clientArray); |
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109 |
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110 //some event queues are full, kick off retry AO |
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111 if(!eventOnAllQueues) |
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112 { |
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113 iRetry->Init(iOwner); |
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114 iRetry->Retry(KRetryInitialDelay); |
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115 } |
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116 |
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117 //codes below are dealing with detach/attach |
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118 MWsDisplayPolicy* policy = iOwner->DisplayPolicy(); |
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119 if((err == KErrDisconnected && lastErr != KErrDisconnected) |
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120 ||(currentResList.Count() == 0 && lastResList.Count() != 0)) |
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121 { |
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122 //The display is disconnected |
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123 if(policy) |
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124 { |
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125 TInt appMode = policy->SuitableAppMode(MWsDisplayPolicy::EDetach); |
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126 //Last app mode can be resumed when display is connected again from disconnection |
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127 iOwner->DisplayPolicy()->SetLastAppMode(iOwner->ScreenSizeMode()); |
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128 //This gonna set the screen mode to smallest app mode |
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129 if(appMode >= 0) |
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130 { |
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131 iOwner->doSetScreenMode(appMode); |
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132 } |
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133 } |
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134 else |
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135 { |
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136 //if policy is not available, do a SetConfiguration set to the same config before disconnect |
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137 //this will update parameters for MDisplayMapping stored in CDisplayPolicy |
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138 TDisplayConfiguration config; |
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139 iNextLevelInterface->GetConfiguration(config); |
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140 iNextLevelInterface->SetConfiguration(config); |
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141 } |
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142 //stop DSA drawing as the above set screen mode is under disconnection and it won't |
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143 //go the normal routine to stop DSA drawing |
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144 iOwner->AbortAllDirectDrawing(RDirectScreenAccess::ETerminateScreenMode); |
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145 } |
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146 |
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147 if(currentResList.Count() > 0 && lastResList.Count() == 0) |
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148 { |
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149 //The display is connected |
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150 if(policy) |
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151 { |
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152 TInt appMode = policy->SuitableAppMode(MWsDisplayPolicy::EAttach); |
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153 //This gonna resume the screen mode to the one before disconnection |
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154 if(appMode >= 0) |
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155 { |
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156 iOwner->doSetScreenMode(appMode); |
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157 } |
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158 } |
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159 else |
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160 { |
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161 //if policy is not available, force a SetConfiguration to trigger a config change notification |
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162 //as the twips size in config is changed on attaching display though resolution may remain 0x0 |
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163 TDisplayConfiguration config; |
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164 config.SetResolution(currentResList[0].iPixelSize); |
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165 iOwner->SetConfiguration(config); |
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166 } |
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167 iOwner->RecalculateModeTwips(); |
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168 } |
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169 } |
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170 CleanupStack::PopAndDestroy(2, &lastResList); |
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171 } |
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172 else if(iStatus != KErrCancel && iStatus != KErrNotSupported) |
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173 { |
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174 IssueNotificationRequest(); //This should be ok, not deadlock |
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175 } |
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176 |
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177 } |
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178 |
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179 TBool CWsDisplayChangeNotifier::IsResListEqual(RArray<MWsDisplayControl::TResolution>& aResListA, RArray<MWsDisplayControl::TResolution>& aResListB) |
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180 { |
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181 if (aResListA.Count() != aResListB.Count()) |
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182 return EFalse; |
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183 |
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184 for(TInt i = 0; i < aResListA.Count(); i++) |
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185 { |
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186 if(aResListA[i].iPixelSize != aResListB[i].iPixelSize) |
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187 { |
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188 return EFalse; |
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189 } |
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190 if(aResListA[i].iTwipsSize != aResListB[i].iTwipsSize) |
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191 { |
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192 return EFalse; |
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193 } |
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194 if(!(aResListA[i].iFlags == aResListB[i].iFlags)) |
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195 { |
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196 return EFalse; |
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197 } |
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198 } |
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199 |
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200 return ETrue; |
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201 } |
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202 |
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203 void CWsDisplayChangeNotifier::DoCancel() |
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204 {} |
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205 |
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206 CWsDisplayChangeNotifier::~CWsDisplayChangeNotifier() |
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207 { |
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208 Cancel(); |
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209 iLastResList.Close(); |
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210 delete iRetry; |
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211 } |
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212 |
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213 CWsConfigChangeNotifier::CWsConfigChangeNotifier(MWsDisplayControl* aNextLevelInterface, CScreen *aOwner) |
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214 :CActive(EEventPriority), iNextLevelInterface(aNextLevelInterface), iOwner(aOwner) |
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215 { |
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216 CActiveScheduler::Add(this); |
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217 } |
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218 |
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219 CWsConfigChangeNotifier* CWsConfigChangeNotifier::NewL(MWsDisplayControl* aNextLevelInterface, CScreen *aOwner) |
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220 { |
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221 CWsConfigChangeNotifier* self = new(ELeave) CWsConfigChangeNotifier(aNextLevelInterface, aOwner); |
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222 CleanupStack::PushL(self); |
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223 self->ConstructL(); |
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224 CleanupStack::Pop(); |
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225 return self; |
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226 } |
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227 |
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228 void CWsConfigChangeNotifier::ConstructL() |
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229 { |
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230 iRetry = CEventQueueRetry::NewL(); |
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231 } |
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232 |
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233 void CWsConfigChangeNotifier::IssueNotificationRequest() |
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234 { |
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235 //Before submitting the request, save last configuration |
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236 iNextLevelInterface->GetConfiguration(iLastConfig); |
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237 iNextLevelInterface->NotifyOnConfigChange(iStatus); |
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238 SetActive(); |
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239 } |
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240 |
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241 void CWsConfigChangeNotifier::CancelNotificationRequest() |
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242 { |
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243 Cancel(); |
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244 } |
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245 |
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246 void CWsConfigChangeNotifier::RunL() |
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247 { |
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248 if(iStatus == KErrNone) |
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249 { |
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250 //IssueNotificationRequest() will overwrite iLastConfig, save a copy first |
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251 TDisplayConfiguration lastConfig(iLastConfig); |
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252 IssueNotificationRequest(); |
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253 |
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254 TDisplayConfiguration currentConfig; |
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255 iNextLevelInterface->GetConfiguration(currentConfig); |
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256 if(!(currentConfig == lastConfig)) |
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257 { |
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258 //first thing is to cancel the retry AO if it's running for the last event |
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259 iRetry->CancelRetry(); |
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260 |
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261 iOwner->IncreaseConfigSpinner(); |
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262 //put config change event on queue |
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263 RPointerArray<CWsClient> clientArray; |
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264 CleanupClosePushL(clientArray); |
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265 User::LeaveIfError(iOwner->GetNotificationClients(clientArray)); |
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266 TBool eventOnAllQueues = ETrue; |
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267 for(TInt i = 0; i < clientArray.Count(); i++) |
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268 { |
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269 if(!TWindowServerEvent::SendDisplayChangedEvents(clientArray[i], iOwner->ScreenNumber(), |
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270 iOwner->ConfigSpinner(), iOwner->DisplaySpinner())) |
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271 { |
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272 eventOnAllQueues = EFalse; |
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273 clientArray[i]->SetRetryFlag(EEventDisplayChanged); |
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274 } |
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275 } |
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276 |
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277 CleanupStack::PopAndDestroy(&clientArray); |
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278 //some event queues are full, kick off retry AO |
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279 if(!eventOnAllQueues) |
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280 { |
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281 iRetry->Init(iOwner); |
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282 iRetry->Retry(KRetryInitialDelay); |
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283 } |
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284 } |
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285 } |
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286 else if(iStatus != KErrCancel && iStatus != KErrNotSupported) |
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287 { |
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288 IssueNotificationRequest(); |
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289 } |
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290 |
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291 } |
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292 |
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293 |
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294 void CWsConfigChangeNotifier::DoCancel() |
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295 {} |
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296 |
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297 CWsConfigChangeNotifier::~CWsConfigChangeNotifier() |
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298 { |
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299 Cancel(); |
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300 delete iRetry; |
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301 } |
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302 |
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303 |