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1 /* |
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2 * Copyright (c) 2005-2006 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: Focus observer for Active idle 2 |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <aipspropertyobserver.h> |
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20 #include <activeidle2domainpskeys.h> |
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21 #include "aistatemanager.h" |
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22 #include "aifocusobserver.h" |
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23 #include "aifwpanic.h" |
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24 #include "debug.h" |
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25 |
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26 CAiFocusObserver::CAiFocusObserver() |
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27 { |
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28 } |
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29 |
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30 CAiFocusObserver::~CAiFocusObserver() |
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31 { |
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32 } |
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33 |
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34 CAiFocusObserver* CAiFocusObserver::NewL( |
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35 MAiStateManager* aStateManager ) |
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36 { |
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37 CAiFocusObserver* self = new (ELeave) CAiFocusObserver(); |
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38 CleanupStack::PushL(self); |
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39 self->ConstructL( aStateManager ); |
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40 CleanupStack::Pop(self); |
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41 return self; |
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42 } |
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43 |
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44 void CAiFocusObserver::ConstructL( MAiStateManager* aStateManager ) |
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45 { |
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46 //++HV |
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47 BaseConstructL( TCallBack( StaticHandleFocusChangeEvent, this ), |
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48 KPSUidAiInformation, |
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49 KActiveIdleState, |
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50 aStateManager ); |
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51 //--HV |
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52 } |
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53 |
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54 TAiStateChanges CAiFocusObserver::Status() |
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55 { |
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56 TInt value = 0; |
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57 TInt err = iObserver->Get( value ); |
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58 if( ( value == EPSAiForeground ) && |
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59 ( err == KErrNone ) ) |
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60 { |
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61 return ESMAIIdleForeground; |
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62 } |
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63 else |
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64 { |
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65 return ESMAIIdleBackground; |
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66 } |
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67 } |
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68 |
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69 //++HV |
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70 |
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71 TInt CAiFocusObserver::StaticHandleFocusChangeEvent( TAny* aPtr ) |
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72 { |
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73 CAiFocusObserver* self = |
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74 static_cast<CAiFocusObserver*>( aPtr ); |
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75 |
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76 __ASSERT_DEBUG( self, |
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77 AiFwPanic::Panic( AiFwPanic::EAiFwPanic_NullPointerReference ) ); |
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78 |
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79 return( self->HandleFocusChangeEvent() ); |
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80 } |
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81 |
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82 |
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83 TInt CAiFocusObserver::HandleFocusChangeEvent() |
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84 { |
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85 if( iTfxEffectActive ) |
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86 { |
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87 return KErrNone; |
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88 } |
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89 |
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90 TInt value = 0; |
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91 TInt err = iObserver->Get( value ); |
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92 |
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93 // Check the PS keys value and call manager with approriate parameter. |
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94 // Repowrt either "idle foreground" or "idle background" |
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95 if( ( value == EPSAiForeground ) && |
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96 ( err == KErrNone ) ) |
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97 { |
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98 // Check if the transition effect is active |
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99 |
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100 // This has to be called first, otherwise the state might not be valid. |
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101 CAknTransitionUtils::AddObserver( this, CAknTransitionUtils::EEventWsBufferRedirection ); |
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102 |
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103 TInt redirState = 0; |
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104 CAknTransitionUtils::GetState( CAknTransitionUtils::EEventWsBufferRedirection, &redirState ); |
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105 if ( (TBool)redirState ) |
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106 { |
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107 // The effect is on-going. Prevent view refresh until the effect is finished. |
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108 iTfxEffectActive = ETrue; |
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109 } |
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110 else |
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111 { |
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112 // No effect on-going. Observer is not needed. |
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113 CAknTransitionUtils::RemoveObserver( this, CAknTransitionUtils::EEventWsBufferRedirection ); |
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114 iStateManager->ReportStateChange( ESMAIIdleForeground ); |
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115 } |
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116 } |
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117 else if( value == EPSAiBackground ) |
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118 { |
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119 // Do not receive callbacks in background. Remove observer if it still exists. |
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120 CAknTransitionUtils::RemoveObserver( this, CAknTransitionUtils::EEventWsBufferRedirection ); |
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121 iTfxEffectActive = EFalse; |
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122 |
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123 iStateManager->ReportStateChange( ESMAIIdleBackground ); |
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124 } |
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125 |
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126 return KErrNone; |
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127 } |
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128 |
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129 |
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130 TInt CAiFocusObserver::AknTransitionCallback( TInt aEvent, TInt aState, const TDesC8* /*aParams*/ ) |
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131 { |
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132 if ( ( aEvent & CAknTransitionUtils::EEventWsBufferRedirection ) && ( !(TBool)aState ) ) |
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133 { |
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134 // The effect has been finished |
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135 iTfxEffectActive = EFalse; |
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136 // Observer is not needed any more. |
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137 CAknTransitionUtils::RemoveObserver( this, CAknTransitionUtils::EEventWsBufferRedirection ); |
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138 |
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139 // Issue one focus change event |
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140 TInt value = 0; |
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141 TInt err = iObserver->Get( value ); |
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142 if( ( value == EPSAiForeground ) && |
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143 ( err == KErrNone ) ) |
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144 { |
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145 iStateManager->ReportStateChange( ESMAIIdleForeground ); |
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146 } |
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147 else if( value == EPSAiBackground ) |
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148 { |
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149 iStateManager->ReportStateChange( ESMAIIdleBackground ); |
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150 } |
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151 } |
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152 |
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153 return 0; |
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154 } |
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155 |
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156 |
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157 //--HV |