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1 /* |
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2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: This file implements the active objects used for progressive |
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15 * rendering |
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16 * |
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17 */ |
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18 |
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19 |
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20 #include "SvgtController.h" |
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21 #include <eikenv.h> |
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22 #include <aknnavi.h> |
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23 #include <aknnavide.h> |
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24 #include <eikspane.h> |
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25 #include "SVGTCustControl.h" |
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26 |
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27 const TInt KAnimationInerval = 100000; |
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28 |
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29 _LIT(KDot, ". "); |
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30 |
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31 /* |
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32 ************************************************************************************* |
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33 * ThreadController Implemetation |
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34 * |
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35 *************************************************************************************** |
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36 */ |
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37 // ----------------------------------------------------------------------------- |
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38 // CSvgtThreadController::NewL |
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39 // Two phase constructor |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 CSvgtThreadController* CSvgtThreadController::NewL(CSVGTCustControl* aCustControl) |
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43 { |
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44 CSvgtThreadController* self = CSvgtThreadController::NewLC(aCustControl); |
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45 CleanupStack::Pop(self); //self |
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46 return self; |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // CSvgtThreadController::NewLC |
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51 // Two phase constructor |
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52 // ----------------------------------------------------------------------------- |
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53 // |
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54 CSvgtThreadController* CSvgtThreadController::NewLC(CSVGTCustControl* aCustControl) |
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55 { |
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56 CSvgtThreadController* self = new (ELeave) CSvgtThreadController(aCustControl); |
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57 CleanupStack::PushL(self); |
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58 self->ConstructL(); |
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59 return self; |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CSvgtThreadController::~CSvgtThreadController |
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64 // Destructor |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 CSvgtThreadController::~CSvgtThreadController() |
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68 { |
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69 Cancel(); |
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70 if(iLoadAnimator) |
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71 { |
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72 iLoadAnimator->Cancel(); |
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73 } |
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74 |
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75 delete iLoadAnimator; |
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76 ClearNaviPaneDecorator(); |
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77 // Reset eikon env pointer |
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78 iEikEnv = NULL; |
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79 // Reset the custom control pointer |
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80 iCustControl = NULL; |
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81 } |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // CSvgtThreadController::DoCancel |
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85 // Cancels all the pending request |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 void CSvgtThreadController::DoCancel() |
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89 { |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // CSvgtThreadController::RunL |
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94 // Handles an active object's request completion event. |
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95 // ----------------------------------------------------------------------------- |
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96 // |
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97 void CSvgtThreadController::RunL() |
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98 { |
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99 iCustControl->SetThreadRunning(EFalse); |
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100 iLoadAnimator->Cancel(); |
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101 iCount = KAnimationLength; |
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102 DoLoadAnimationL(); |
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103 TInt lLoadError = iCustControl->DoHandleLoadingThreadError(); |
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104 TInt lPostLoadError = KErrNone; |
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105 |
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106 // Stop displaying progressive-render indicator |
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107 ClearNaviPaneDecorator(); |
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108 //iCustControl->StopEventHandler(); |
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109 if( lLoadError == KErrNone ) |
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110 { |
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111 // No Load error, Do the post load functionality |
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112 TRAP( lPostLoadError, iCustControl->DoPostLoadFuncL() ); |
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113 } |
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114 |
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115 // If there were any errors then ask parent to exit |
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116 if ( ( lLoadError!= KErrNone ) || ( lPostLoadError != KErrNone ) ) |
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117 { |
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118 // Error has occurred, commence cleanup |
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119 // Request Observer to Exit |
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120 iCustControl->DoExitFromDialogL(); |
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121 } |
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122 } |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CSvgtThreadController::CSvgtThreadController |
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126 // Parameterized constructor |
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127 // ----------------------------------------------------------------------------- |
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128 // |
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129 CSvgtThreadController::CSvgtThreadController(CSVGTCustControl* aCustControl): |
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130 CActive(EPriorityStandard), |
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131 iCustControl(aCustControl) |
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132 { |
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133 CActiveScheduler::Add(this); |
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134 } |
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135 |
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136 // ----------------------------------------------------------------------------- |
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137 // CSvgtThreadController::ConstructL |
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138 // Two phase constructor |
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139 // ----------------------------------------------------------------------------- |
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140 // |
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141 void CSvgtThreadController::ConstructL() |
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142 { |
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143 iLoadAnimator = CPeriodic::NewL(CActive::EPriorityStandard); |
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144 |
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145 // Store the environment pointer to avoid slow static access |
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146 iEikEnv = CEikonEnv::Static(); |
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147 User::LeaveIfNull( iEikEnv ); |
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148 } |
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149 |
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150 // ----------------------------------------------------------------------------- |
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151 // CSvgtThreadController::IssueThreadMonitorRequest |
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152 // Makes it active to get notify on thread death |
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153 // ----------------------------------------------------------------------------- |
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154 // |
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155 void CSvgtThreadController::IssueThreadMonitorRequest(const RThread& aThread) |
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156 { |
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157 aThread.Logon(iStatus); |
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158 iMainThread = aThread.Id(); |
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159 SetActive(); |
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160 |
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161 TCallBack callBack(LoadAnimationCallBack, this); |
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162 iCount = 0; |
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163 iLoadAnimator->Start(0, KAnimationInerval, callBack); |
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164 } |
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165 |
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166 // ----------------------------------------------------------------------------- |
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167 // CSvgtThreadController::StopThreadExecution |
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168 // Stops the thread execution |
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169 // ----------------------------------------------------------------------------- |
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170 // |
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171 void CSvgtThreadController::StopThreadExecution(const RThread& aThread) |
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172 { |
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173 aThread.LogonCancel(iStatus); |
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174 } |
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175 |
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176 // ----------------------------------------------------------------------------- |
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177 // CSvgtThreadController::DoLoadAnimationL |
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178 // This fuction does the loading animation |
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179 // ----------------------------------------------------------------------------- |
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180 // |
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181 void CSvgtThreadController::DoLoadAnimationL() |
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182 { |
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183 CEikStatusPane* sp = iEikEnv->AppUiFactory()->StatusPane(); |
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184 CAknNavigationControlContainer* np = |
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185 static_cast<CAknNavigationControlContainer*> |
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186 ( sp->ControlL( TUid::Uid( EEikStatusPaneUidNavi ) ) ); |
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187 |
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188 if(iCount >= KAnimationLength) |
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189 { |
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190 iCount = 0; |
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191 iAnimationText.Zero(); |
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192 } |
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193 else |
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194 { |
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195 iCount++; |
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196 iAnimationText.Append(KDot); |
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197 } |
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198 |
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199 CAknNavigationDecorator* lOldNaviDecorator = iNaviDecorator; |
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200 iNaviDecorator = NULL; |
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201 if ( lOldNaviDecorator ) |
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202 { |
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203 delete lOldNaviDecorator ; |
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204 lOldNaviDecorator = NULL; |
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205 } |
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206 |
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207 // Clear the old Navi-Pane Decorator |
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208 // Create the navi pane label |
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209 iNaviDecorator = np->CreateNavigationLabelL( iAnimationText ); |
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210 |
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211 // Save the old Navi Decorator so that it can be deleted after |
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212 // creating the new navi decorator |
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213 // Push the new Navi decorator in the Navigation Pane |
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214 np->PushL( *iNaviDecorator ); |
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215 |
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216 } |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // CSvgtThreadController::LoadAnimationCallBack |
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220 // Callback fuction for loading animation |
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221 // ----------------------------------------------------------------------------- |
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222 // |
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223 TInt CSvgtThreadController::LoadAnimationCallBack(TAny* aThreadController) |
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224 { |
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225 CSvgtThreadController* threadController = |
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226 static_cast< CSvgtThreadController* >( aThreadController ); |
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227 if ( threadController ) |
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228 { |
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229 TRAPD( ignore, threadController->DoLoadAnimationL() ); |
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230 if ( ignore != KErrNone ) |
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231 { |
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232 // No error handling done. |
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233 } |
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234 } |
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235 return 0; |
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236 } |
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237 |
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238 // ----------------------------------------------------------------------------- |
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239 // CSvgtThreadController::ClearNaviPaneDecorator |
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240 // Clears the navi pane indicator when the loading animation gets over |
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241 // ----------------------------------------------------------------------------- |
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242 // |
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243 void CSvgtThreadController::ClearNaviPaneDecorator() |
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244 { |
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245 // Clear the Navi-Pane Decorator |
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246 if ( iNaviDecorator ) |
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247 { |
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248 // Restore the old navi-pane |
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249 CEikStatusPane* sp = iEikEnv->AppUiFactory()->StatusPane(); |
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250 |
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251 CAknNavigationControlContainer* np = NULL; |
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252 TRAPD( errGetNaviControl, |
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253 np = static_cast< CAknNavigationControlContainer* > |
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254 ( sp->ControlL( TUid::Uid( EEikStatusPaneUidNavi ) ) ) ); |
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255 if ( errGetNaviControl == KErrNone && np ) |
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256 { |
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257 TRAPD( errPushDefNaviControl, |
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258 np->PushDefaultL ()); // Set default. |
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259 if ( errPushDefNaviControl != KErrNone ) |
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260 { |
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261 // No error handling here. |
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262 } |
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263 } |
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264 delete iNaviDecorator; |
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265 iNaviDecorator = NULL; |
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266 } |
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267 } |
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268 // End of file |
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269 |