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1 // Copyright (c) 2005-2009 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 // Part of the MVS Agents for TechView |
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15 // |
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16 |
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17 #ifndef AGENTSUTILITY_H |
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18 #define AGENTSUTILITY_H |
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19 |
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20 #include <badesca.h> |
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21 #include <mmf/common/mmfcontroller.h> |
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22 #include <flogger.h> |
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23 |
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24 |
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25 /** |
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26 States of the Client |
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27 */ |
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28 enum TMVSState |
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29 { |
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30 ENotReady = 0, |
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31 EAudioOpening, |
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32 EAudioOpened, |
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33 EAudioPlaying, |
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34 EAudioRecording, |
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35 EAudioStopped, |
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36 EVideoOpening, |
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37 EVideoOpened, |
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38 EVideoPlaying, |
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39 EVideoRecording, |
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40 EVideoStopped, |
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41 EVideoPaused, |
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42 EAudioPaused |
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43 }; |
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44 |
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45 /** |
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46 Modes of the Client |
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47 */ |
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48 enum TMVSMode |
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49 { |
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50 EAudioRecord, |
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51 EAudioPlay, |
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52 EVideoRecord, |
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53 EVideoPlay, |
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54 EIdle |
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55 }; |
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56 |
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57 |
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58 /** |
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59 @publishedPartner |
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60 @prototype |
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61 @test |
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62 |
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63 An interface to Client callback function |
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64 This serves as the method of communication between the Client and the UI |
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65 |
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66 */ |
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67 class MMVSClientObserver |
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68 { |
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69 public: |
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70 |
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71 /** |
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72 |
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73 Called when a multimedia controller plugin changes state e.g. when audio starts to play, |
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74 the state changes from EAudioOpened to EAudioPlaying |
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75 |
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76 @param aState |
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77 Current State of the Client |
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78 @param aError |
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79 Error code. The status of the current operation |
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80 */ |
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81 virtual void UpdateStateChange(TMVSState aState, TInt aError) = 0; |
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82 |
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83 /** |
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84 Called when the audio resource becomes available but only if the resource was previously unavailable (e.g. if |
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85 the audio resource is available when the client registers, then this callback is not received). |
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86 |
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87 @param aNotificationData |
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88 The data that corresponds to the notification event |
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89 */ |
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90 virtual void MvsResourceNotification(const TDesC8& aNotificationData) = 0; |
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91 |
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92 }; |
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93 |
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94 |
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95 /** |
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96 @publishedPartner |
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97 @prototype |
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98 @test |
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99 |
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100 Utility class that does fetching the existing controller plugins,the extensions |
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101 supported by them and finding the type of the media file for the UI. |
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102 */ |
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103 class CMVSControllerPluginInfo: public CBase |
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104 { |
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105 public: |
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106 IMPORT_C static CMVSControllerPluginInfo* NewL(); |
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107 IMPORT_C ~CMVSControllerPluginInfo(); |
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108 |
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109 IMPORT_C TInt GetPluginListL(CDesCArrayFlat* aDisplayNames, RArray<TUid>& aUidArray); |
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110 IMPORT_C TInt GetAudioPluginListL(CDesCArrayFlat* aDisplayNames, RArray<TUid>& aUidArray,RArray<TUid>& aUidPlayArray, TDesC* aExt); |
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111 IMPORT_C TInt GetVideoPluginListL(CDesCArrayFlat* aDisplayNames, RArray<TUid>& aUidArray, TDesC* aExt); |
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112 IMPORT_C TInt GetExtensionListL(TBool aControllerUid, CDesCArrayFlat* aExtArray); |
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113 IMPORT_C TUid GetMediaTypeL(TDesC& aFileName); |
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114 IMPORT_C CMMFControllerImplementationInformation& GetControllerInfo(TUid aControllerUid); |
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115 private: |
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116 void CollectAudioControllersL(TDesC* aExt); |
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117 void CollectAudioPlayControllersL(TDesC* aExt); |
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118 void CollectVideoControllersL(TDesC* aExt); |
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119 void ConstructL(); //populate iControllers |
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120 CMVSControllerPluginInfo(); |
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121 void GetHeaderL(TDesC& aFileName, TDes8& aHeaderData); |
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122 private: |
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123 //list of controller info objects |
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124 RMMFControllerImplInfoArray iControllers; |
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125 RMMFControllerImplInfoArray iSupportedControllers; |
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126 RArray<TUid> iUidArray; |
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127 RMMFControllerImplInfoArray iAudioControllers; |
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128 RMMFControllerImplInfoArray iVideoControllers; |
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129 RMMFControllerImplInfoArray iAudioPlayControllers; |
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130 RArray<TUid> iAudioUidArray; |
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131 RArray<TUid> iAudioPlayUidArray; |
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132 RArray<TUid> iVideoUidArray; |
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133 RFileLogger iFileLogger; |
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134 }; |
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135 |
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136 |
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137 #endif AGENTSUTILITY_H |