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1 /* |
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2 * Copyright (c) 2007 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: Fade effect implementation. |
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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 |
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20 //////SYSTEM INCLUDES |
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21 |
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22 //////TOOLKIT INCLUDES |
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23 // <cmail> SF |
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24 #include "emailtrace.h" |
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25 #include <alf/alfvisual.h> |
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26 #include <alf/alftimedvalue.h> |
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27 #include <alf/alflayout.h> |
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28 #include <alf/alfenv.h> |
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29 #include <alf/alfcommand.h> |
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30 #include <alf/alfcontrol.h> |
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31 #include <alf/alfevent.h> |
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32 // </cmail> |
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33 |
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34 //////PROJECT INCLUDES |
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35 //<cmail> removed __FS_ALFRED_SUPPORT flag |
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36 //#include <fsconfig.h> |
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37 //</cmail> removed __FS_ALFRED_SUPPORT flag |
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38 #include "fsfadeeffect.h" |
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39 //<cmail> |
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40 #include "fsfadeeffectobserver.h" |
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41 //</cmail> |
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42 |
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43 |
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44 |
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45 // ======== MEMBER FUNCTIONS ======== |
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46 |
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47 // --------------------------------------------------------------------------- |
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48 // Two-phased constructor. |
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49 // --------------------------------------------------------------------------- |
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50 // |
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51 CFsFadeEffect* CFsFadeEffect::NewL(CAlfControl* aControl,CAlfVisual* aRoot, TInt aTime) |
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52 { |
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53 FUNC_LOG; |
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54 CFsFadeEffect* self = new (ELeave) CFsFadeEffect(aControl, aRoot, aTime); |
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55 return self; |
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56 } |
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57 |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // Two-phased constructor. |
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61 // --------------------------------------------------------------------------- |
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62 // |
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63 CFsFadeEffect* CFsFadeEffect::NewL( |
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64 CAlfControl* aControl, |
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65 MFsFadeEffectObserver* aObserver, |
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66 CAlfVisual* aRoot, |
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67 TInt aTime) |
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68 { |
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69 FUNC_LOG; |
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70 CFsFadeEffect* self = new (ELeave) CFsFadeEffect(aControl, aObserver, aRoot, aTime); |
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71 return self; |
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72 } |
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73 |
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74 |
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75 // --------------------------------------------------------------------------- |
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76 // Constructor. |
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77 // --------------------------------------------------------------------------- |
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78 // |
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79 CFsFadeEffect::CFsFadeEffect(CAlfControl* aControl,CAlfVisual* aRoot, TInt aTime) |
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80 : iControl( aControl ), |
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81 iRoot(aRoot), |
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82 iTime(aTime) |
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83 { |
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84 FUNC_LOG; |
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85 //No implementation nedeed |
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86 } |
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87 |
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88 // --------------------------------------------------------------------------- |
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89 // Constructor. |
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90 // --------------------------------------------------------------------------- |
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91 // |
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92 CFsFadeEffect::CFsFadeEffect( |
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93 CAlfControl* aControl, |
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94 MFsFadeEffectObserver* aObserver, |
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95 CAlfVisual* aRoot, TInt aTime) |
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96 : iControl( aControl ), |
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97 iRoot(aRoot), |
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98 iObserver(aObserver), |
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99 iTime(aTime) |
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100 { |
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101 FUNC_LOG; |
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102 //No implementation nedeed |
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103 } |
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104 |
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105 // --------------------------------------------------------------------------- |
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106 // Launches fade in effect. |
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107 // --------------------------------------------------------------------------- |
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108 // |
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109 void CFsFadeEffect::FadeIn() |
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110 { |
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111 FUNC_LOG; |
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112 TAlfTimedValue opacity; |
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113 opacity.SetValueNow( 0 ); |
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114 iRoot->SetOpacity( opacity ); |
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115 |
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116 opacity.SetTarget( 1.0f, iTime ); |
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117 iRoot->SetOpacity(opacity); |
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118 |
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119 if (iObserver) |
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120 { |
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121 iObserver->FadeEffectEvent(MFsFadeEffectObserver::EFadingIn); |
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122 } |
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123 //cancel pending events |
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124 if ( iControl ) |
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125 { |
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126 iControl->Env().CancelCustomCommands(this); |
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127 |
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128 //send a command to inform about an end of fade out effect |
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129 TInt error = iControl->Env().Send(TAlfCustomEventCommand(ECustomEventFadeInFinished, this), iTime); |
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130 if (error != KErrNone) |
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131 { |
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132 |
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133 } |
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134 } |
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135 } |
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136 |
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137 |
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138 // --------------------------------------------------------------------------- |
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139 // Launches fade out effect. |
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140 // --------------------------------------------------------------------------- |
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141 // |
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142 void CFsFadeEffect::FadeOut() |
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143 { |
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144 FUNC_LOG; |
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145 TAlfTimedValue opacity; |
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146 opacity.SetTarget( 0.0f, iTime ); |
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147 iRoot->SetOpacity(opacity); |
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148 |
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149 if (iObserver) |
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150 { |
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151 iObserver->FadeEffectEvent(MFsFadeEffectObserver::EFadingOut); |
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152 } |
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153 |
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154 //cancel pending events |
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155 if ( iControl ) |
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156 { |
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157 iControl->Env().CancelCustomCommands(this); |
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158 |
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159 //send a command to inform about an end of fade out effect |
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160 TInt error = iControl->Env().Send(TAlfCustomEventCommand(ECustomEventFadeOutFinished, this), iTime); |
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161 if (error != KErrNone) |
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162 { |
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163 |
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164 } |
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165 } |
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166 } |
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167 |
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168 |
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169 // --------------------------------------------------------------------------- |
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170 // Sets speed of fade in/out effect. |
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171 // --------------------------------------------------------------------------- |
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172 // |
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173 void CFsFadeEffect::SetTime( const TInt aTime) |
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174 { |
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175 FUNC_LOG; |
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176 iTime = aTime; |
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177 } |
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178 |
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179 |
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180 // --------------------------------------------------------------------------- |
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181 // Returns speed of fade in/out effect. |
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182 // --------------------------------------------------------------------------- |
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183 // |
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184 TInt CFsFadeEffect::Time() const |
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185 { |
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186 FUNC_LOG; |
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187 return iTime; |
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188 } |
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189 |
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190 |
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191 // --------------------------------------------------------------------------- |
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192 // From MAlfEventHandler |
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193 // Called when an input event is being offered to this object. |
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194 // --------------------------------------------------------------------------- |
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195 // |
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196 TBool CFsFadeEffect::OfferEventL(const TAlfEvent& aEvent) |
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197 { |
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198 FUNC_LOG; |
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199 TBool result(EFalse); |
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200 if( aEvent.IsCustomEvent() ) |
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201 { |
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202 if ( aEvent.CustomParameter() == ECustomEventFadeInFinished ) |
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203 { |
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204 result = ETrue; |
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205 //inform observer |
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206 if ( iObserver ) |
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207 { |
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208 iObserver->FadeEffectEvent(MFsFadeEffectObserver::EFadeInFinished); |
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209 } |
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210 } |
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211 else if ( aEvent.CustomParameter() == ECustomEventFadeOutFinished ) |
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212 { |
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213 result = ETrue; |
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214 //inform observer |
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215 if ( iObserver ) |
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216 { |
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217 iObserver->FadeEffectEvent(MFsFadeEffectObserver::EFadeOutFinished); |
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218 } |
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219 } |
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220 } |
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221 else |
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222 { |
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223 result = EFalse; |
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224 } |
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225 |
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226 return result; |
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227 } |
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228 |
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229 |
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230 //End Of File |
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231 |