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1 /* |
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2 * Copyright (c) 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: Class used to start and stop the TFX Server |
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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 #ifndef C_TRANSITIONSERVERCONTROLLER_H |
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20 #define C_TRANSITIONSERVERCONTROLLER_H |
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21 |
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22 #include <e32base.h> |
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23 #include <w32std.h> |
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24 #include <mtransitionserver.h> |
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25 #include <alfdecoderserverclient.h> |
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26 |
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27 #include "alfpsobserver.h" |
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28 |
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29 class RTfxServerInjector; |
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30 class CWsEventEater; |
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31 class CAlfPsObserver; |
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32 class CRepository; |
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33 |
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34 /** |
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35 * transition effect server controller |
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36 * |
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37 * this class is used to load and start the TfxServer into the wserv process. |
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38 * The code is loaded into the wserv through a CAnimDll wserv plugin. |
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39 * because of this, when this class is destroyed, the TfxServer thread will be killed. |
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40 */ |
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41 |
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42 // MPsObserver will probably not bee needed - to be removed later |
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43 NONSHARABLE_CLASS(CAlfTransitionServerController) : public CBase, |
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44 public MPsObserver |
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45 { |
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46 public: |
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47 friend class CAlfTransitionServerClient; |
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48 |
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49 /** |
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50 * Public part of two phase construction. |
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51 * @since S60 3.2 |
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52 * |
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53 * @param Reference to a Window server session. |
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54 * @return Pointer to the newly created CAlfTransitionServerController object. |
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55 */ |
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56 static CAlfTransitionServerController* NewL(RWsSession& /*aWsSession*/); |
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57 |
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58 /** |
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59 * Destructor |
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60 * @since S60 3.2 |
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61 * |
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62 */ |
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63 virtual ~CAlfTransitionServerController(); |
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64 |
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65 /** |
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66 * Start the transition server |
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67 * @since S60 3.2 |
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68 * |
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69 * @return KErrNone or any of the system error codes. |
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70 */ |
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71 TInt StartTransitionServer(); |
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72 |
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73 /** |
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74 * Gracefully shut down the transition server. |
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75 * @since S60 3.2 |
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76 * |
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77 * @return KErrNone or any of the system error codes. |
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78 */ |
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79 TInt StopTransitionServer(); |
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80 |
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81 /** |
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82 * Checks to see if server is running. |
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83 * @since S60 3.2 |
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84 * |
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85 * @return ETrue if server is running, otherwise EFalse. |
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86 */ |
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87 TBool ServerRunning(); |
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88 |
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89 /** |
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90 * Start the transition server |
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91 * @since S60 3.2 |
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92 * |
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93 * Starts the server with different values for MaxBytesOngoing and |
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94 * MaxBytesBetween than the default ones. |
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95 * MaxBytesOngoing is the maximum amount of bytes that may be cached while a transition |
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96 * is ongoing. If this value is less than the total size of the |
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97 * decoded images in the effect the images has to be decoded every |
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98 * frame which will have a huge impact on performance. |
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99 * |
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100 * MaxBytesBetween is the maximum amount of bytes that may be cached when a transition |
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101 * is not ongoing. |
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102 * |
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103 * @param aMaxBytesOngoing maximum bytes in cache during a transition |
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104 * @param aMaxBytesBetween maximum bytes in cache between transitions |
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105 * @return KErrNone or any of the system error codes. |
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106 */ |
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107 TInt StartTransitionServer(TInt32 aMaxBytesOngoing, TInt32 aMaxBytesBetween); |
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108 |
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109 static TInt ConnectionCallback( TAny* aParameter ); |
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110 |
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111 TInt ConnectionAttempt(); |
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112 |
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113 void PsValueUpdated( const TUid aCategory, const TUint aKey, const TInt aVal ); |
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114 |
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115 |
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116 |
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117 private: |
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118 |
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119 /** |
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120 * Private part of two phase construction. |
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121 * |
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122 */ |
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123 void ConstructL(); |
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124 |
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125 /** |
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126 * Private constructor. |
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127 */ |
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128 CAlfTransitionServerController(); |
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129 |
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130 |
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131 |
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132 private: // data |
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133 |
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134 CAlfPsObserver* iPsObserver; |
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135 |
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136 // The public and subscribe value keeping track if server is running |
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137 TInt iTransitionControlValue; |
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138 |
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139 // The value in central repository to keep track if effects are allowed |
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140 TInt iEffectValue; |
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141 |
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142 CRepository* iRepository; |
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143 |
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144 RAlfTfxClient iTfxServer; |
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145 TBool iIsConnected; |
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146 |
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147 CPeriodic* iTimer; |
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148 TBool iTimerRunning; |
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149 |
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150 }; |
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151 |
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152 |
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153 #endif //C_TRANSITIONSERVERCONTROLLER_H |