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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 // |
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15 |
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16 #include "W32STDGRAPHIC.H" |
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17 |
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18 // TWsGraphicAnimation \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ |
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19 |
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20 EXPORT_C TWsGraphicAnimation::TWsGraphicAnimation(): |
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21 TWsGraphicMsgFixedBase(TUid::Uid(ETypeId),sizeof(*this)), |
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22 iFlags(EStopped) |
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23 { |
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24 } |
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25 |
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26 EXPORT_C TBool TWsGraphicAnimation::IsPlaying() const |
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27 { |
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28 return (State() == EPlaying); |
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29 } |
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30 |
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31 EXPORT_C TBool TWsGraphicAnimation::IsStopped() const |
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32 { |
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33 return (State() == EStopped); |
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34 } |
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35 |
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36 EXPORT_C TBool TWsGraphicAnimation::IsStopping() const |
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37 { |
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38 return (State() == EStopping); |
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39 } |
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40 |
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41 EXPORT_C TBool TWsGraphicAnimation::IsPaused() const |
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42 { |
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43 return (State() == EPaused); |
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44 } |
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45 |
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46 EXPORT_C TBool TWsGraphicAnimation::Loops() const |
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47 { |
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48 switch(State()) |
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49 { |
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50 case EPlaying: |
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51 case EPaused: |
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52 return ((iFlags & ELoop) == ELoop); |
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53 default: |
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54 return EFalse; |
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55 } |
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56 } |
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57 |
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58 TUint TWsGraphicAnimation::State() const |
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59 { |
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60 return (iFlags & EStateMask); |
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61 } |
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62 |
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63 void TWsGraphicAnimation::SetState(TUint aState) |
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64 { |
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65 iFlags &= ~EStateMask; |
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66 iFlags |= (aState & EStateMask); |
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67 } |
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68 |
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69 EXPORT_C void TWsGraphicAnimation::Play(TBool aLoop) |
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70 { |
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71 switch(State()) |
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72 { |
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73 case EStopped: |
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74 case EStopping: |
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75 SetState(EPlaying); |
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76 // fall through |
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77 case EPlaying: |
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78 iPlay.UniversalTime(); //Start over again |
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79 break; |
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80 case EPaused: |
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81 SetState(EPlaying); |
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82 if(aLoop != Loops()) // can't resume a mismatch of looping attribute |
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83 { |
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84 iPlay.UniversalTime(); |
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85 } |
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86 else // resume |
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87 { |
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88 TTimeIntervalMicroSeconds delta = iPauseOrStopping.MicroSecondsFrom(iPlay); |
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89 iPlay.UniversalTime(); |
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90 iPlay = iPlay.Int64() - delta.Int64(); |
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91 break; |
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92 } |
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93 } |
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94 if(aLoop) |
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95 { |
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96 iFlags |= ELoop; |
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97 } |
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98 else |
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99 { |
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100 iFlags &= ~ELoop; |
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101 } |
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102 } |
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103 |
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104 EXPORT_C void TWsGraphicAnimation::Pause() |
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105 { |
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106 switch(State()) |
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107 { |
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108 case EPlaying: |
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109 case EStopping: |
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110 SetState(EPaused); |
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111 iPauseOrStopping.UniversalTime(); |
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112 break; |
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113 case EStopped: |
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114 case EPaused: |
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115 break; |
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116 } |
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117 } |
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118 |
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119 EXPORT_C void TWsGraphicAnimation::Stop(TBool aImmediately) |
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120 { |
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121 if(aImmediately) |
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122 { |
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123 SetState(EStopped); |
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124 } |
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125 else |
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126 { |
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127 switch(State()) |
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128 { |
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129 case EPlaying: |
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130 SetState(EStopping); |
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131 iPauseOrStopping.UniversalTime(); |
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132 break; |
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133 case EStopped: |
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134 break; |
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135 case EStopping: |
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136 iPauseOrStopping.UniversalTime(); |
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137 break; |
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138 case EPaused: |
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139 SetState(EStopping); |
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140 TTimeIntervalMicroSeconds delta = iPauseOrStopping.MicroSecondsFrom(iPlay); |
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141 iPlay.UniversalTime(); |
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142 iPlay = iPlay.Int64() - delta.Int64(); |
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143 iPauseOrStopping.UniversalTime(); |
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144 break; |
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145 } |
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146 } |
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147 } |