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1 // Copyright (c) 2002-2009 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 /** |
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17 @file |
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18 @publishedPartner |
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19 @released |
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20 */ |
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21 #ifndef ECAM__CONST_H |
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22 #define ECAM__CONST_H |
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23 |
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24 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS |
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25 #include <ecamuidsconst.hrh> |
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26 #endif |
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27 /** |
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28 Event indicating continuous zoom progess. This event is used for StartContinuousZoomL feature. This is a part of class |
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29 CCamera::CCameraAdvancedSettings. This event should be packed in TECAMEvent2 class. |
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30 |
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31 This TUid is available from the following methods only to the API clients using CCamera::New2L() or CCamera:: |
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32 NewDuplicate2L(): |
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33 void CCamera::CCameraAdvancedSettings::GetSupportedSettingsL(RArray<TUid>& aSettings) const; |
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34 void CCamera::CCameraAdvancedSettings::GetActiveSettingsL(RArray<TUid>& aActiveSettings) const; |
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35 void CCamera::CCameraAdvancedSettings::GetDisabledSettingsL(RArray<TUid>& aDisabledSettings) const; |
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36 |
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37 Note: TECAMEvent2::iParam represents percentage continuous zoom completion. |
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38 |
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39 @note If zoom direction is EZoomDirectionWide, percentage completion will target minimum possible value as 100%. |
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40 @note If zoom direction is EZoomDirectionTele, percentage completion will target maximum possible value as 100%. |
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41 |
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42 @publishedPartner |
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43 @prototype |
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44 */ |
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45 static const TUid KUidECamEvent2CameraSettingContinuousZoomPercentageCompletion = {KUidECamEvent2CameraSettingContinuousZoomPercentageCompletionUidValue}; |
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46 |
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47 /** |
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48 Notifies that unrequested feature changes have occurred. The method GetIndirectFeatureChangesL() is called to |
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49 retrieve the list of unrequested feature changes. The unrequested feature changes are ECAM component wide. |
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50 |
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51 This TUid is available from the following methods only to the API clients using CCamera::New2L() or CCamera::NewDuplicate2L(): |
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52 void CCamera::CCameraAdvancedSettings::GetSupportedSettingsL(RArray<TUid>& aSettings) const; |
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53 void CCamera::CCameraAdvancedSettings::GetActiveSettingsL(RArray<TUid>& aActiveSettings) const; |
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54 void CCamera::CCameraAdvancedSettings::GetDisabledSettingsL(RArray<TUid>& aDisabledSettings) const; |
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55 |
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56 Note: TECAMEvent2::iParam represents the TInt used to obtain a uid which represents the requested feature change. |
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57 |
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58 @publishedPartner |
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59 @prototype |
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60 */ |
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61 static const TUid KUidECamEvent2IndirectFeatureChange = {KUidECamEvent2IndirectFeatureChangeUidValue}; |
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62 |
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63 /** |
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64 Event indicating auto aperture is being used. |
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65 This event should be packed in TECAMEvent2 class. |
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66 |
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67 This TUid is available from the following methods only to the API clients using CCamera::New2L() or CCamera:: |
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68 NewDuplicate2L(): |
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69 void CCamera::CCameraAdvancedSettings::GetSupportedSettingsL(RArray<TUid>& aSettings) const; |
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70 void CCamera::CCameraAdvancedSettings::GetActiveSettingsL(RArray<TUid>& aActiveSettings) const; |
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71 void CCamera::CCameraAdvancedSettings::GetDisabledSettingsL(RArray<TUid>& aDisabledSettings) const; |
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72 |
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73 Note: TECAMEvent2::iParam represents actual value of aperture being used if camera is capable of. Otherwise, KErrNotFound will be retrieved. |
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74 Note: This event is also used if exposure is set to CCamera::EExposureAuto or CCamera::EExposureShutterPriority. |
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75 |
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76 |
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77 @publishedPartner |
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78 @prototype |
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79 */ |
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80 static const TUid KUidECamEvent2CameraSettingAutoAperture = {KUidECamEvent2CameraSettingAutoApertureUidValue}; |
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81 |
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82 /** Specifies whether the camera is reserved or not. |
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83 The enumeration list may be extended in future. |
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84 |
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85 @publishedPartner |
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86 @prototype |
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87 */ |
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88 enum TECamReserveStatus |
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89 { |
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90 /** Camera Status unknown */ |
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91 ECameraStatusUnknown, |
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92 /** Camera is reserved */ |
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93 ECameraReserved, |
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94 /** Camera is unreserved */ |
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95 ECameraUnReserved |
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96 }; |
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97 |
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98 /** Mixin base class for camera clients to handle the notification of Reserve status. |
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99 |
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100 Client must implement MReserveObserver in order to handle the notifications and take appropriate steps accordingly. |
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101 |
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102 @note By the time client gets unreserved status via callback, the camera may be on its way getting reserved by another client who |
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103 might be continuously polling for it. |
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104 So, there is no guarantee that the client will be able to reserve it. But it is guaranteed that the client will |
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105 receive the notification about change in reserve status. |
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106 |
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107 @publishedPartner |
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108 @prototype |
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109 */ |
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110 class MReserveObserver |
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111 { |
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112 public: |
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113 /** |
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114 This notification is send to provide the reserve status for the camera. |
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115 |
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116 @param aCameraIndex |
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117 The camera index for which the Reserve status has to be provided. |
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118 |
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119 @param aReserveStatus |
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120 The reserve status for the camera. |
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121 |
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122 @param aErrorCode |
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123 The error value. |
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124 |
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125 @note If error is not KErrNone, then the client is expected to destroy the CCameraStatusWatch retrieved through |
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126 TReservedInfo::SubscribeReserveInfoL and re-subscribe if desired. |
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127 */ |
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128 virtual void ReserveStatus(TInt iCameraIndex, TECamReserveStatus aReserveStatus, TInt aErrorCode) =0; |
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129 }; |
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130 |
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131 class CCameraStatusWatch; |
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132 |
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133 /** |
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134 @publishedPartner |
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135 @prototype |
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136 |
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137 Client uses it to asynchronously receive the reserve status of a camera index through MReserveObserver |
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138 */ |
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139 class TReservedInfo |
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140 { |
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141 public: |
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142 IMPORT_C static void SubscribeReserveInfoL(MReserveObserver& aReserveObserver, TInt aCameraIndex, CCameraStatusWatch*& aCameraStatusWatch); |
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143 }; |
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144 |
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145 /** |
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146 This class is used to provide extra buffer informations through a custom interface. |
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147 |
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148 @see MCameraImageBuffer |
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149 |
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150 @publishedPartner |
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151 @prototype |
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152 */ |
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153 class MCameraBuffer2 : public MCameraBuffer |
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154 { |
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155 public: |
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156 /** |
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157 Retrieves an array of uids which represents the class identifier used for buffer extension. |
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158 |
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159 @param aInterfaceUids |
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160 An array of uids which represents the class identifier. |
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161 |
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162 @return The error code. |
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163 */ |
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164 virtual TInt GetInterfaceUids(RArray<TUid>& aInterfaceUids) = 0; |
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165 |
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166 /** |
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167 Gets a custom interface for extra buffer information. |
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168 |
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169 @param aInterface |
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170 The Uid of the particular interface function required for buffer information. |
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171 |
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172 @param aPtrInterface |
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173 The client has to cast the custom interface pointer to the appropriate type. |
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174 |
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175 @return The error code. |
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176 */ |
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177 virtual TInt CustomInterface(TUid aInterface, TAny*& aPtrInterface) = 0; |
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178 }; |
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179 |
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180 #endif // ECAM__CONST_H |