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1 /* |
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2 * Copyright (c) 2009 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 the License "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: Streaming handler* |
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15 */ |
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16 |
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17 |
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18 // Version : %version: 2 % |
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19 |
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20 |
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21 #ifndef CVCXNSSTREAMINGHANDLER_H |
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22 #define CVCXNSSTREAMINGHANDLER_H |
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23 |
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24 #include <e32base.h> |
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25 #include <mpxplaybackutility.h> |
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26 #include <mpxplaybackobserver.h> |
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27 |
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28 class CVcxNsContent; |
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29 class CVcxNsUiEngine; |
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30 |
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31 /** |
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32 * Streaming handler. Listens playback events and |
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33 * sets and gets the play positions for the stream |
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34 * |
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35 * @lib vcxnsuiengine.lib |
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36 */ |
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37 NONSHARABLE_CLASS( CVcxNsStreamingHandler ) : public CBase, |
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38 public MMPXPlaybackObserver, |
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39 public MMPXPlaybackCallback |
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40 { |
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41 |
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42 public: |
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43 |
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44 static CVcxNsStreamingHandler* NewL( CVcxNsUiEngine& aUiEngine ); |
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45 |
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46 virtual ~CVcxNsStreamingHandler(); |
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47 |
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48 /** |
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49 * Start listening messages for a stream. |
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50 * |
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51 * @param aContent Content to be watched. |
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52 */ |
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53 void HandleOpenStreamL( CVcxNsContent* aContent ); |
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54 |
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55 /** |
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56 * Stop listening messages for a stream. |
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57 */ |
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58 void HandleCloseStream(); |
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59 |
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60 // From MMPXPlaybackObserver |
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61 |
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62 /** |
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63 * From MMPXPlaybackObserver |
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64 * Handle playback message |
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65 * |
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66 * @since 3.1 |
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67 * @param aMessage playback message |
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68 * @param aErr system error code. |
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69 */ |
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70 void HandlePlaybackMessage( CMPXMessage* aMessage, TInt aError ); |
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71 |
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72 // From MMPXPlaybackCallback |
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73 |
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74 /** |
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75 * From MMPXPlaybackCallback |
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76 * Handle playback property. |
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77 * |
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78 * @since S60 3.2.3 |
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79 * @param aProperty the property |
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80 * @param aValue the value of the property |
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81 * @param aError error code |
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82 */ |
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83 void HandlePropertyL(TMPXPlaybackProperty aProperty, |
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84 TInt aValue, |
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85 TInt aError); |
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86 |
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87 /** |
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88 * From MMPXPlaybackCallback |
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89 * Method is called continously until aComplete=ETrue, signifying that |
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90 * it is done and there will be no more callbacks. |
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91 * Only new items are passed each time. |
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92 * |
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93 * @since S60 3.2.3 |
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94 * @param aPlayer UID of the subplayer |
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95 * @param aSubPlayers a list of sub players |
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96 * @param aComplete ETrue no more sub players. EFalse more subplayer |
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97 * expected |
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98 * @param aError error code |
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99 */ |
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100 void HandleSubPlayerNamesL(TUid aPlayer, |
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101 const MDesCArray* aSubPlayers, |
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102 TBool aComplete, |
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103 TInt aError); |
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104 |
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105 /** |
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106 * From MMPXPlaybackCallback |
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107 * Call back of media request. |
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108 * |
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109 * @since S60 3.2.3 |
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110 * @param aMedia media |
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111 * @param aError error code |
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112 */ |
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113 void HandleMediaL(const CMPXMedia& aProperties, |
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114 TInt aError); |
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115 |
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116 private: |
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117 |
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118 CVcxNsStreamingHandler( CVcxNsUiEngine& aUiEngine ); |
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119 |
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120 void ConstructL(); |
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121 |
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122 /** |
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123 * Handle playback message |
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124 * |
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125 * @param aMessage playback message |
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126 */ |
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127 void DoHandlePlaybackMessageL( const CMPXMessage& aMessage ); |
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128 |
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129 /** |
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130 * Handle state change message. |
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131 * |
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132 * @param aMessage playback message |
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133 */ |
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134 void HandleStateChangedL( const CMPXMessage& aMessage ); |
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135 |
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136 /** |
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137 * Handle property change message. |
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138 * |
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139 * @param aMessage playback message |
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140 */ |
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141 void HandlePropertyChangedL( const CMPXMessage& aMessage ); |
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142 |
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143 /** |
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144 * Seek To Last PosL |
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145 */ |
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146 void SeekToLastPosL(); |
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147 |
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148 /** |
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149 * Store Last PosL |
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150 */ |
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151 void StoreLastPosL(); |
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152 |
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153 /** |
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154 * Get the current stream's duration |
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155 */ |
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156 void GetDurationL(); |
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157 |
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158 /** |
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159 * MMPXPlaybackUtility |
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160 * |
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161 * own. |
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162 */ |
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163 MMPXPlaybackUtility* iPlaybackUtility; |
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164 |
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165 /** |
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166 * CVcxNsContent |
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167 * |
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168 * not own. |
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169 */ |
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170 CVcxNsContent* iContent; |
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171 |
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172 /** |
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173 * CVcxNsUiEngine |
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174 */ |
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175 CVcxNsUiEngine& iUiEngine; |
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176 |
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177 /** |
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178 * Should the last position be resumed when |
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179 * playback has been initialized |
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180 */ |
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181 TBool iLastPosPending; |
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182 |
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183 /** |
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184 * Position to be resumed, if the |
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185 * iLastPosPending has been set. |
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186 */ |
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187 TInt iResumePos; |
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188 |
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189 /** |
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190 * Playback state. |
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191 */ |
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192 TInt iCurrentState; |
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193 |
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194 /** |
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195 * Played stream's total duration. |
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196 */ |
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197 TInt iDuration; |
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198 |
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199 }; |
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200 |
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201 #endif // CVCXNSSTREAMINGHANDLER_H |