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1 // Copyright (c) 2008-2009 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 @internalComponent |
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19 */ |
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20 |
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21 #include <ecom/ecom.h> |
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22 #include <ecom/implementationproxy.h> |
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23 #include <f32file.h> |
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24 |
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25 #include "mmcameraclientsession.h" |
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26 #include "mmdirectviewfinder.h" |
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27 |
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28 #include <graphics/surfaceconfiguration.h> |
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29 #include "w32std.h" |
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30 |
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31 /** |
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32 * First-phase constructor |
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33 */ |
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34 CMMCameraClientSession::CMMCameraClientSession():iCameraObserver2(NULL), |
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35 iReserved(EFalse), |
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36 iPoweredUp(EFalse), |
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37 iPrepareCompleted(EFalse), |
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38 iCollaborativeClient(EFalse) |
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39 { |
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40 } |
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41 |
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42 /** |
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43 * NewL() factory function |
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44 */ |
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45 CMMCameraClientSession* CMMCameraClientSession::NewL() |
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46 { |
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47 FileDependencyUtil::CheckFileDependencyL(); |
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48 return new (ELeave) CMMCameraClientSession; |
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49 } |
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50 |
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51 /** |
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52 * Destructor |
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53 */ |
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54 CMMCameraClientSession::~CMMCameraClientSession() |
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55 { |
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56 delete iCameraPowerHandler; |
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57 delete iCameraAccessHandler; |
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58 |
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59 iHashMap.Close(); |
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60 iCameraSession.Close(); |
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61 } |
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62 |
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63 |
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64 // |
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65 // from CCameraPlugin |
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66 // |
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67 |
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68 /** |
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69 * Derived from CCameraPlugin. Second Phase contruction |
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70 * |
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71 * @see CCameraPlugin |
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72 */ |
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73 void CMMCameraClientSession::Construct2L(MCameraObserver& /*aObserver*/, TInt /*aCameraIndex*/) |
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74 { |
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75 User::Leave(KErrNotSupported); |
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76 } |
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77 |
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78 /** |
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79 * Derived from CCameraPlugin. Second Phase contruction for collaborative clients |
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80 * |
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81 * @see CCameraPlugin |
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82 */ |
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83 void CMMCameraClientSession::Construct2DupL(MCameraObserver& /*aObserver*/, TInt /*aCameraHandle*/) |
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84 { |
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85 User::Leave(KErrNotSupported); |
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86 } |
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87 |
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88 /** |
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89 * Derived from CCameraPlugin. Second Phase contruction |
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90 * |
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91 * @see CCameraPlugin |
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92 */ |
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93 void CMMCameraClientSession::Construct2L(MCameraObserver2& aObserver, TInt aCameraIndex, TInt aPriority) |
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94 { |
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95 if (aCameraIndex > CamerasAvailable()) |
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96 { |
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97 User::Leave(KErrNotSupported); |
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98 } |
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99 |
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100 iCameraIndex = aCameraIndex; |
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101 iPriority = aPriority; |
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102 iCameraObserver2 = &aObserver; |
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103 |
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104 //initialize server |
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105 //create session |
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106 User::LeaveIfError(iCameraSession.Connect()); |
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107 |
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108 //open camera |
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109 TOpenCamera openCam; |
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110 |
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111 openCam.iCameraIndex = iCameraIndex; |
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112 openCam.iPriority = iPriority; |
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113 openCam.iHandle = KECamHandleNotKnown; |
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114 openCam.iMMCapability = ETrue; //could be changed. |
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115 openCam.iCollaborativeClient = EFalse; |
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116 |
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117 TOpenCameraPckg openCamBuf(openCam); |
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118 |
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119 User::LeaveIfError(iCameraSession.SendMessage(ECamOpenCamera, openCamBuf)); |
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120 // since this call is synchronous, providing reference to local |
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121 // varialbe is not a problem. |
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122 |
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123 iCameraAccessHandler = CMMCameraAccessHandler::NewL(this, CActive::EPriorityStandard); |
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124 iCameraPowerHandler = CMMCameraPowerHandler::NewL(this, CActive::EPriorityStandard); |
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125 } |
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126 |
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127 /** |
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128 * Derived from CCameraPlugin. Second Phase contruction for collaborative clients |
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129 * |
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130 * @see CCameraPlugin |
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131 */ |
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132 void CMMCameraClientSession::Construct2DupL(MCameraObserver2& /*aObserver*/, TInt /*aCameraHandle*/) |
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133 { |
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134 User::Leave(KErrNotSupported); |
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135 } |
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136 |
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137 |
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138 // |
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139 // from CCamera itself |
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140 // |
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141 |
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142 /** |
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143 * Retrieves information about the currectly reserved camera device |
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144 * |
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145 * @see CCamera::CameraInfo() |
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146 */ |
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147 void CMMCameraClientSession::CameraInfo(TCameraInfo& /*aInfo*/) const |
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148 { |
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149 return; |
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150 } |
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151 |
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152 /** |
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153 * Reserves the camera |
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154 * |
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155 * @see CCamera::Reserve() |
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156 */ |
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157 void CMMCameraClientSession::Reserve() |
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158 { |
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159 iCameraAccessHandler->Reserve(); |
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160 } |
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161 |
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162 /** |
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163 * Relinquishes control of the camera device |
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164 * |
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165 * @see CCamera::Release() |
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166 */ |
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167 void CMMCameraClientSession::Release() |
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168 { |
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169 iCameraSession.SendMessage(ECamCameraAccessControl, ECameraRelease); |
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170 iPoweredUp = EFalse; |
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171 } |
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172 |
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173 /** |
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174 * Powers on the camera device |
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175 * |
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176 * @see CCamera::PowerOn() |
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177 */ |
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178 void CMMCameraClientSession::PowerOn() |
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179 { |
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180 iCameraPowerHandler->PowerOn(); |
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181 } |
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182 |
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183 /** |
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184 * Powers down the camera device |
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185 * |
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186 * @see CCamera::PowerOff() |
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187 */ |
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188 void CMMCameraClientSession::PowerOff() |
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189 { |
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190 iCameraSession.SendMessage(ECamPowerCamera, ECameraPowerOff); |
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191 iPoweredUp = EFalse; |
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192 } |
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193 |
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194 /** |
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195 * Retrieves the handle of the currently reserved camera |
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196 * |
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197 * @see CCamera::Handle() |
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198 */ |
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199 TInt CMMCameraClientSession::Handle() |
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200 { |
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201 TCameraHandle handle; |
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202 TCameraHandlePckg pckg(handle); |
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203 |
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204 iCameraSession.SendRxMessage(ECamCameraHandle, pckg); |
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205 |
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206 handle = pckg(); |
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207 return handle.iHandle; |
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208 } |
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209 |
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210 /** |
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211 * Sets the optical zoom level |
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212 * |
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213 * @see CCamera::SetZoomFactorL() |
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214 */ |
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215 void CMMCameraClientSession::SetZoomFactorL(TInt aZoomFactor) |
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216 { |
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217 User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EZoomFactor, aZoomFactor)); |
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218 } |
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219 |
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220 /** |
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221 * Retrieves current optical zoom level |
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222 * |
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223 * @see CCamera::ZoomFactor() |
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224 */ |
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225 TInt CMMCameraClientSession::ZoomFactor() const |
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226 { |
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227 TCameraZoom zoomFactor; |
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228 TCameraZoomPckg pckg(zoomFactor); |
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229 iCameraSession.SendRxMessage(ECamGetParameter, EZoomFactor, pckg); |
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230 zoomFactor = pckg(); |
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231 return zoomFactor.iZoom; |
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232 } |
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233 |
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234 /** |
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235 * Sets the digital zoom level |
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236 * |
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237 * @see CCamera::SetDigitalZoomFactorL() |
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238 */ |
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239 void CMMCameraClientSession::SetDigitalZoomFactorL(TInt aDigitalZoomFactor) |
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240 { |
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241 User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EDigitalZoomFactor, aDigitalZoomFactor)); |
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242 } |
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243 |
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244 /** |
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245 * Retrieves the current digital zoom level |
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246 * |
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247 * @see CCamera::DigitalZoomFactor() |
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248 */ |
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249 TInt CMMCameraClientSession::DigitalZoomFactor() const |
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250 { |
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251 TCameraDigitalZoom digitalZoomFactor; |
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252 TCameraDigitalZoomPckg pckg(digitalZoomFactor); |
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253 iCameraSession.SendRxMessage(ECamGetParameter, EDigitalZoomFactor, pckg); |
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254 digitalZoomFactor = pckg(); |
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255 return digitalZoomFactor.iDigitalZoom; |
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256 } |
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257 |
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258 /** |
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259 * Sets the contrast level |
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260 * |
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261 * @see CCamera::SetContrastL() |
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262 */ |
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263 void CMMCameraClientSession::SetContrastL(TInt aContrast) |
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264 { |
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265 User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EContrast, aContrast)); |
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266 } |
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267 |
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268 /** |
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269 * Retrieves the current contrast level |
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270 * |
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271 * @see CCamera::Contrast() |
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272 */ |
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273 TInt CMMCameraClientSession::Contrast() const |
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274 { |
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275 TCameraContrast contrast; |
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276 TCameraContrastPckg pckg(contrast); |
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277 iCameraSession.SendRxMessage(ECamGetParameter, EContrast, pckg); |
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278 contrast = pckg(); |
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279 return contrast.iContrast; |
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280 } |
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281 |
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282 /** |
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283 * Sets the brightness level |
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284 * |
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285 * @see CCamera::SetBrightnessL() |
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286 */ |
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287 void CMMCameraClientSession::SetBrightnessL(TInt aBrightness) |
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288 { |
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289 User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EBrightness, aBrightness)); |
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290 } |
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291 |
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292 /** |
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293 * Retrieves the current brightness level |
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294 * |
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295 * @see CCamera::Brigthness() |
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296 */ |
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297 TInt CMMCameraClientSession::Brightness() const |
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298 { |
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299 TCameraBrightness brightness; |
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300 TCameraBrightnessPckg pckg(brightness); |
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301 iCameraSession.SendRxMessage(ECamGetParameter, EBrightness, pckg); |
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302 brightness = pckg(); |
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303 return brightness.iBrightness; |
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304 } |
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305 |
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306 /** |
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307 * Sets the flash level |
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308 * |
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309 * @see CCamera::SetFlashL() |
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310 */ |
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311 void CMMCameraClientSession::SetFlashL(TFlash aFlash) |
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312 { |
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313 TCameraFlash flash; |
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314 flash.iFlash = aFlash; |
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315 TCameraFlashPckg pckg(flash); |
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316 |
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317 User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EFlash, pckg)); |
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318 } |
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319 |
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320 /** |
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321 * Retrieves the current flash level |
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322 * |
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323 * @see CCamera::Flash() |
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324 */ |
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325 CCamera::TFlash CMMCameraClientSession::Flash() const |
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326 { |
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327 TCameraFlash flash; |
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328 TCameraFlashPckg pckg(flash); |
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329 |
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330 iCameraSession.SendRxMessage(ECamGetParameter, EFlash, pckg); |
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331 flash = pckg(); |
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332 return flash.iFlash; |
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333 } |
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334 |
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335 /** |
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336 * Sets the exposure level |
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337 * |
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338 * @see CCamera::SetExposureL() |
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339 */ |
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340 void CMMCameraClientSession::SetExposureL(TExposure aExposure) |
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341 { |
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342 TCameraExposure exposure; |
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343 exposure.iExposure = aExposure; |
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344 TCameraExposurePckg pckg(exposure); |
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345 |
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346 User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EExposure, pckg)); |
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347 } |
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348 |
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349 /** |
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350 * Retrieves the current exposure level |
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351 * |
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352 * @see CCamera::Exposure() |
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353 */ |
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354 CCamera::TExposure CMMCameraClientSession::Exposure() const |
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355 { |
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356 TCameraExposure exposure; |
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357 TCameraExposurePckg pckg(exposure); |
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358 |
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359 iCameraSession.SendRxMessage(ECamGetParameter, EExposure, pckg); |
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360 exposure = pckg(); |
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361 return exposure.iExposure; |
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362 } |
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363 |
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364 /** |
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365 * Sets the white balance level |
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366 * |
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367 * @see CCamera::SetWhiteBalance() |
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368 */ |
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369 void CMMCameraClientSession::SetWhiteBalanceL(TWhiteBalance aWhiteBalance) |
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370 { |
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371 TCameraWhiteBalance whiteBalance; |
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372 whiteBalance.iWhiteBalance = aWhiteBalance; |
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373 TCameraWhiteBalancePckg pckg(whiteBalance); |
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374 |
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375 User::LeaveIfError(iCameraSession.SendMessage(ECamSetParameter, EWhiteBalance, pckg)); |
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376 } |
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377 |
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378 /** |
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379 * Retrieves the current white balance level |
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380 * |
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381 * @see CCamera::WhiteBalance() |
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382 */ |
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383 CCamera::TWhiteBalance CMMCameraClientSession::WhiteBalance() const |
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384 { |
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385 TCameraWhiteBalance whiteBalance; |
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386 TCameraWhiteBalancePckg pckg(whiteBalance); |
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387 |
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388 iCameraSession.SendRxMessage(ECamGetParameter, EWhiteBalance, pckg); |
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389 whiteBalance = pckg(); |
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390 return whiteBalance.iWhiteBalance; |
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391 } |
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392 |
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393 /** |
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394 * Starts client direct viewfinder. |
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395 * Not supported in this implementation. |
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396 * |
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397 * @see CCamera::StartViewFinderDirectL() |
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398 */ |
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399 void CMMCameraClientSession::StartViewFinderDirectL(RWsSession& /*aWs*/, CWsScreenDevice& /*aScreenDevice*/, RWindowBase& /*aWindow*/, TRect& /*aScreenRect*/) |
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400 { |
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401 User::Leave(KErrNotSupported); |
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402 } |
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403 |
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404 /** |
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405 * Starts client direct viewfinder. |
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406 * Not supported in this implementation. |
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407 * |
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408 * @see CCamera::StartViewFinderDirectL() |
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409 */ |
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410 void CMMCameraClientSession::StartViewFinderDirectL(RWsSession& /*aWs*/, CWsScreenDevice& /*aScreenDevice*/, RWindowBase& /*aWindow*/, TRect& /*aScreenRect*/, TRect& /*aClipRect*/) |
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411 { |
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412 User::Leave(KErrNotSupported); |
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413 } |
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414 |
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415 /** |
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416 * Starts client viewfinder. |
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417 * Not supported in this implementation. |
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418 * |
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419 * @see CCamera::StartViewFinderBitmapsL() |
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420 */ |
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421 void CMMCameraClientSession::StartViewFinderBitmapsL(TSize& /*aSize*/) |
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422 { |
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423 User::Leave(KErrNotSupported); |
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424 } |
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425 |
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426 /** |
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427 * Starts client viewfinder. |
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428 * Not supported in this implementation. |
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429 * |
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430 * @see CCamera::StartViewFinderBitmapsL() |
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431 */ |
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432 void CMMCameraClientSession::StartViewFinderBitmapsL(TSize& /*aSize*/, TRect& /*aClipRect*/) |
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433 { |
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434 User::Leave(KErrNotSupported); |
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435 } |
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436 |
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437 /** |
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438 * Starts client viewfinder. |
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439 * Not supported in this implementation. |
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440 * |
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441 * @see CCamera::StartViewFinderL() |
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442 */ |
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443 void CMMCameraClientSession::StartViewFinderL(CCamera::TFormat /*aImageFormat*/, TSize& /*aSize*/) |
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444 { |
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445 User::Leave(KErrNotSupported); |
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446 } |
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447 |
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448 /** |
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449 * Starts client viewfinder. |
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450 * Not supported in this implementation. |
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451 * |
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452 * @see CCamera::StartViewFinderL() |
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453 */ |
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454 void CMMCameraClientSession::StartViewFinderL(CCamera::TFormat /*aImageFormat*/, TSize& /*aSize*/, TRect& /*aClipRect*/) |
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455 { |
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456 User::Leave(KErrNotSupported); |
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457 } |
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458 |
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459 /** |
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460 * Stops client viewfinder. |
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461 * Not supported in this implementation. |
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462 * |
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463 * @see CCamera::StopViewFinder() |
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464 */ |
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465 void CMMCameraClientSession::StopViewFinder() |
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466 { |
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467 return; |
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468 } |
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469 |
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470 /** |
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471 * Queries if viewfinder is active. |
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472 * Not supported in this implementation. |
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473 * |
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474 * @see CCamera::ViewFinderActive() |
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475 */ |
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476 TBool CMMCameraClientSession::ViewFinderActive() const |
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477 { |
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478 return EFalse; |
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479 } |
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480 |
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481 /** |
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482 * Turns on/off viewfinder mirrorring. |
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483 * Not supported in this implementation. |
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484 * |
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485 * @see CCamera::SetViewFinderMirrorL() |
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486 */ |
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487 void CMMCameraClientSession::SetViewFinderMirrorL(TBool /*aMirror*/) |
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488 { |
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489 User::Leave(KErrNotSupported); |
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490 } |
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491 |
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492 /** |
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493 * Queries whether viewfinder mirrorring is on or off. |
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494 * Not supported in this implementation. |
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495 * |
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496 * @see CCamera::ViewFinderMirrorL() |
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497 */ |
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498 TBool CMMCameraClientSession::ViewFinderMirror() const |
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499 { |
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500 return EFalse; |
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501 } |
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502 |
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503 /** |
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504 * Prepares image capture. |
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505 * |
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506 * @see CCamera::PrepareImageCapture() |
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507 */ |
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508 void CMMCameraClientSession::PrepareImageCaptureL(CCamera::TFormat /*aImageFormat*/, TInt /*aSizeIndex*/) |
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509 { |
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510 User::Leave(KErrNotSupported); |
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511 } |
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512 |
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513 /** |
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514 * Prepares image capture. |
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515 * |
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516 * @see CCamera::PrepareImageCapture() |
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517 */ |
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518 void CMMCameraClientSession::PrepareImageCaptureL(CCamera::TFormat /*aImageFormat*/, TInt /*aSizeIndex*/, const TRect& /*aClipRect*/) |
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519 { |
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520 User::Leave(KErrNotSupported); |
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521 } |
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522 |
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523 /** |
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524 * Captures image. |
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525 * |
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526 * @see CCamera::CaptureImage() |
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527 */ |
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528 void CMMCameraClientSession::CaptureImage() |
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529 { |
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530 return; |
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531 } |
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532 |
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533 /** |
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534 * Cancels any ongoing image capture. |
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535 * |
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536 * @see CCamera::CaptureImage() |
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537 */ |
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538 void CMMCameraClientSession::CancelCaptureImage() |
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539 { |
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540 return; |
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541 } |
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542 |
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543 /** |
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544 * Enumerates image capture sizes. |
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545 * |
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546 * @see CCamera::EnumerateCaptureSizes() |
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547 */ |
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548 void CMMCameraClientSession::EnumerateCaptureSizes(TSize& /*aSize*/, TInt /*aSizeIndex*/, CCamera::TFormat /*aFormat*/) const |
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549 { |
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550 return; |
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551 } |
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552 |
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553 /** |
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554 * Prepares video capture. |
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555 * |
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556 * @see CCamera::PrepareVideoCaptureL() |
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557 */ |
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558 void CMMCameraClientSession::PrepareVideoCaptureL(CCamera::TFormat /*aFormat*/, TInt /*aSizeIndex*/, TInt /*aRateIndex*/, TInt /*aBuffersToUse*/, TInt /*aFramesPerBuffer*/) |
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559 { |
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560 User::Leave(KErrNotSupported); |
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561 } |
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562 |
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563 /** |
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564 * Prepares video capture. |
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565 * |
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566 * @see CCamera::PrepareVideoCaptureL() |
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567 */ |
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568 void CMMCameraClientSession::PrepareVideoCaptureL(CCamera::TFormat /*aFormat*/, TInt /*aSizeIndex*/, TInt /*aRateIndex*/, TInt /*aBuffersToUse*/, TInt /*aFramesPerBuffer*/, const TRect& /*aClipRect*/) |
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569 { |
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570 User::Leave(KErrNotSupported); |
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571 } |
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572 |
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573 /** |
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574 * Starts video capture. |
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575 * |
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576 * @see CCamera::StartVideoCapture() |
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577 */ |
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578 void CMMCameraClientSession::StartVideoCapture() |
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579 { |
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580 return; |
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581 } |
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582 |
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583 /** |
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584 * Stops video capture. |
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585 * |
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586 * @see CCamera::StopVideoCapture() |
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587 */ |
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588 void CMMCameraClientSession::StopVideoCapture() |
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589 { |
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590 return; |
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591 } |
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592 |
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593 /** |
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594 * Queries whether video capture is active. |
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595 * |
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596 * @see CCamera::VideoCaptureActive() |
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597 */ |
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598 TBool CMMCameraClientSession::VideoCaptureActive() const |
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599 { |
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600 return EFalse; |
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601 } |
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602 |
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603 /** |
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604 * Enumerates video frame sizes. |
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605 * |
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606 * @see CCamera::EnumerateVideoFrameSizes() |
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607 */ |
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608 void CMMCameraClientSession::EnumerateVideoFrameSizes(TSize& /*aSize*/, TInt /*aSizeIndex*/, CCamera::TFormat /*aFormat*/) const |
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609 { |
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610 return; |
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611 } |
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612 |
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613 /** |
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614 * Enumerates video frame rates. |
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615 * |
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616 * @see CCamera::EnumerateVideoFrameRates() |
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617 */ |
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618 void CMMCameraClientSession::EnumerateVideoFrameRates(TReal32& /*aRate*/, TInt /*aRateIndex*/, CCamera::TFormat /*aFormat*/, TInt /*aSizeIndex*/, TExposure /*aExposure*/) const |
|
619 { |
|
620 return; |
|
621 } |
|
622 |
|
623 /** |
|
624 * Retrieve the frame size. |
|
625 * |
|
626 * @see CCamera::GetFrameSize() |
|
627 */ |
|
628 void CMMCameraClientSession::GetFrameSize(TSize& /*aSize*/) const |
|
629 { |
|
630 return; |
|
631 } |
|
632 |
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633 /** |
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634 * Retrieve the frame rate. |
|
635 * |
|
636 * @see CCamera::FrameRate() |
|
637 */ |
|
638 TReal32 CMMCameraClientSession::FrameRate() const |
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639 { |
|
640 return static_cast<TReal32>(0); |
|
641 } |
|
642 |
|
643 /** |
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644 * Retrieve the number of buffers currently in use. |
|
645 * |
|
646 * @see CCamera::BuffersInUse() |
|
647 */ |
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648 TInt CMMCameraClientSession::BuffersInUse() const |
|
649 { |
|
650 return 0; |
|
651 } |
|
652 |
|
653 /** |
|
654 * Retrieve the number of frames per buffer. |
|
655 * |
|
656 * @see CCamera::FramesPerBuffer() |
|
657 */ |
|
658 TInt CMMCameraClientSession::FramesPerBuffer() const |
|
659 { |
|
660 return 0; |
|
661 } |
|
662 |
|
663 /** |
|
664 * Set the Jpeg quality. |
|
665 * |
|
666 * @see CCamera::SetJpegQuality() |
|
667 */ |
|
668 void CMMCameraClientSession::SetJpegQuality(TInt /*aQuality*/) |
|
669 { |
|
670 return; |
|
671 } |
|
672 |
|
673 /** |
|
674 * Retrieve the Jpeg quality. |
|
675 * |
|
676 * @see CCamera::JpegQuality() |
|
677 */ |
|
678 TInt CMMCameraClientSession::JpegQuality() const |
|
679 { |
|
680 return 0; |
|
681 } |
|
682 |
|
683 /** |
|
684 * Retrieves a custom interface based on the id passed in by the client. |
|
685 * |
|
686 * @see CCamera::CustomInterface() |
|
687 */ |
|
688 TAny* CMMCameraClientSession::CustomInterface(TUid aInterface) |
|
689 { |
|
690 switch (aInterface.iUid) |
|
691 { |
|
692 // The framework retrieves KECamMCameraV2DirectViewFinderUidValue followed by KECamMCameraBaseV2DirectViewFinderUidValue |
|
693 // We take care to initialise iDirectViewFinder in the first case and use it in the subsequent call |
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694 case KECamMCameraV2DirectViewFinderUidValue: |
|
695 { |
|
696 ASSERT(!iDirectViewFinder); |
|
697 TRAPD(err, iDirectViewFinder = CMMDirectViewFinder::NewL(*this)); |
|
698 if (err != KErrNone) |
|
699 { |
|
700 return NULL; |
|
701 } |
|
702 |
|
703 return static_cast<MCameraV2DirectViewFinder*>(iDirectViewFinder); |
|
704 } |
|
705 |
|
706 case KECamMCameraBaseV2DirectViewFinderUidValue: |
|
707 { |
|
708 ASSERT(iDirectViewFinder); |
|
709 iVF = static_cast<MCameraViewFinder*>(iDirectViewFinder); |
|
710 //delete iDirectViewFinder; |
|
711 iDirectViewFinder = NULL; |
|
712 return iVF; |
|
713 } |
|
714 |
|
715 default: |
|
716 { |
|
717 return NULL; |
|
718 } |
|
719 } |
|
720 } |
|
721 |
|
722 // |
|
723 // From CCameraInfoPlugin |
|
724 // |
|
725 CMMCameraClientSessionInfo* CMMCameraClientSessionInfo::NewL() |
|
726 { |
|
727 FileDependencyUtil::CheckFileDependencyL(); |
|
728 return new (ELeave) CMMCameraClientSessionInfo; |
|
729 } |
|
730 |
|
731 CMMCameraClientSessionInfo::~CMMCameraClientSessionInfo() |
|
732 { |
|
733 } |
|
734 |
|
735 /** |
|
736 * Retrieves the number of cameras available. |
|
737 * |
|
738 * @see CCameraInfoPlugin::CamerasAvailable() |
|
739 */ |
|
740 TInt CMMCameraClientSessionInfo::CamerasAvailable() |
|
741 { |
|
742 // One-off connection to the server |
|
743 RMMCameraSession cameraSession; |
|
744 TInt error = cameraSession.Connect(); |
|
745 if (error != KErrNone) |
|
746 { |
|
747 return 0; |
|
748 } |
|
749 |
|
750 TCamerasAvailable info; |
|
751 TCamerasAvailablePckg pckg(info); |
|
752 |
|
753 error = cameraSession.SendMessage(ECamQueryCamerasAvailable, pckg); |
|
754 cameraSession.Close(); |
|
755 if (error != KErrNone) |
|
756 { |
|
757 return 0; |
|
758 } |
|
759 |
|
760 info = pckg(); |
|
761 return info.iCameraCount; |
|
762 } |
|
763 |
|
764 CMMCameraClientSessionInfo::CMMCameraClientSessionInfo() |
|
765 { |
|
766 } |
|
767 |
|
768 |
|
769 |
|
770 void FileDependencyUtil::CheckFileDependencyL() |
|
771 { |
|
772 RFs fsSession; |
|
773 RFile file; |
|
774 CleanupClosePushL(fsSession); |
|
775 User::LeaveIfError(fsSession.Connect()); |
|
776 TInt err = file.Open(fsSession, KMMCameraPluginName, EFileRead); |
|
777 file.Close(); |
|
778 if(err != KErrNone) |
|
779 { |
|
780 User::LeaveIfError(KErrNotSupported); |
|
781 } |
|
782 CleanupStack::PopAndDestroy(&fsSession); |
|
783 } |
|
784 |
|
785 |
|
786 // |
|
787 // CLASS CMMCameraAccessHandler |
|
788 // |
|
789 |
|
790 CMMCameraAccessHandler::CMMCameraAccessHandler(CMMCameraClientSession* aPlugin, TInt aPriority): CActive(aPriority), |
|
791 iPlugin(aPlugin) |
|
792 { |
|
793 } |
|
794 |
|
795 CMMCameraAccessHandler* CMMCameraAccessHandler::NewL(CMMCameraClientSession* aPlugin, TInt aPriority) |
|
796 { |
|
797 CMMCameraAccessHandler* self = new (ELeave) CMMCameraAccessHandler(aPlugin, aPriority); |
|
798 CActiveScheduler::Add(self); |
|
799 return self; |
|
800 } |
|
801 |
|
802 CMMCameraAccessHandler::~CMMCameraAccessHandler() |
|
803 { |
|
804 Cancel(); |
|
805 } |
|
806 |
|
807 void CMMCameraAccessHandler::Reserve() |
|
808 { |
|
809 if(!IsActive()) |
|
810 { |
|
811 // Reserve the camera |
|
812 iPlugin->iCameraSession.ReceiveMessage(ECamCameraAccessControl, ECameraReservedNotification, iStatus); |
|
813 SetActive(); |
|
814 } |
|
815 else |
|
816 { |
|
817 // Reserve has been called again before first call has completed so notify the client |
|
818 TECAMEvent ecamEvent(KUidECamEventReserveComplete, KErrInUse); |
|
819 iPlugin->iCameraObserver2->HandleEvent(ecamEvent); |
|
820 } |
|
821 } |
|
822 |
|
823 void CMMCameraAccessHandler::RunL() |
|
824 { |
|
825 TInt ret = iStatus.Int(); |
|
826 |
|
827 if(!iPlugin->iReserved) |
|
828 { |
|
829 if(KErrNone == ret) |
|
830 { |
|
831 iPlugin->iReserved = ETrue; |
|
832 if(!IsActive()) |
|
833 { |
|
834 // Continue monitoring for overthrow messages should a higher priority client reserve the same camera index |
|
835 iPlugin->iCameraSession.ReceiveMessage(ECamCameraAccessControl, ECameraOverthrowNotification, iStatus); |
|
836 SetActive(); |
|
837 } |
|
838 } |
|
839 |
|
840 // notify the client that reserve has completed, successfully or otherwise |
|
841 TECAMEvent ecamEvent(KUidECamEventReserveComplete, ret); |
|
842 iPlugin->iCameraObserver2->HandleEvent(ecamEvent); |
|
843 } |
|
844 else |
|
845 { |
|
846 iPlugin->iReserved = EFalse; |
|
847 |
|
848 if (ret == KErrNone) |
|
849 { |
|
850 // Client has been overthrown by a second client with higher priority |
|
851 TECAMEvent ecamEvent(KUidECamEventCameraNoLongerReserved, ret); |
|
852 iPlugin->iCameraObserver2->HandleEvent(ecamEvent); |
|
853 } |
|
854 } |
|
855 } |
|
856 |
|
857 void CMMCameraAccessHandler::DoCancel() |
|
858 { |
|
859 if(!iPlugin->iReserved) |
|
860 { |
|
861 iPlugin->iCameraSession.SendMessage(ECamCameraAccessControl, ECameraCancelReservedNotification); |
|
862 |
|
863 // Notify client that ongoing reserve request was cancelled |
|
864 TECAMEvent ecamEvent(KUidECamEventReserveComplete, KErrCancel); |
|
865 iPlugin->iCameraObserver2->HandleEvent(ecamEvent); |
|
866 } |
|
867 else |
|
868 { |
|
869 iPlugin->iCameraSession.SendMessage(ECamCameraAccessControl, ECameraCancelOverthrowNotification); |
|
870 iPlugin->iReserved = EFalse; |
|
871 } |
|
872 } |
|
873 |
|
874 |
|
875 // |
|
876 // |
|
877 // CLASS CMMCameraPowerHandler |
|
878 // |
|
879 |
|
880 CMMCameraPowerHandler::CMMCameraPowerHandler(CMMCameraClientSession* aPlugin, TInt aPriority): CActive(aPriority), |
|
881 iPlugin(aPlugin) |
|
882 { |
|
883 } |
|
884 |
|
885 CMMCameraPowerHandler* CMMCameraPowerHandler::NewL(CMMCameraClientSession* aPlugin, TInt aPriority) |
|
886 { |
|
887 CMMCameraPowerHandler* self = new (ELeave) CMMCameraPowerHandler(aPlugin, aPriority); |
|
888 CActiveScheduler::Add(self); |
|
889 return self; |
|
890 } |
|
891 |
|
892 CMMCameraPowerHandler::~CMMCameraPowerHandler() |
|
893 { |
|
894 Cancel(); |
|
895 } |
|
896 |
|
897 void CMMCameraPowerHandler::PowerOn() |
|
898 { |
|
899 if(!IsActive()) |
|
900 { |
|
901 iPlugin->iCameraSession.ReceiveMessage(ECamPowerCamera, ECameraPowerOnNotification, iStatus); |
|
902 SetActive(); |
|
903 } |
|
904 else |
|
905 { |
|
906 // PowerOn has been called again before first call has completed so notify the client |
|
907 TECAMEvent ecamEvent(KUidECamEventPowerOnComplete, KErrAlreadyExists); |
|
908 iPlugin->iCameraObserver2->HandleEvent(ecamEvent); |
|
909 } |
|
910 } |
|
911 |
|
912 void CMMCameraPowerHandler::RunL() |
|
913 { |
|
914 TInt ret = iStatus.Int(); |
|
915 |
|
916 if(!iPlugin->iPoweredUp) |
|
917 { |
|
918 if (ret == KErrNone) |
|
919 { |
|
920 iPlugin->iPoweredUp = ETrue; |
|
921 } |
|
922 } |
|
923 |
|
924 TECAMEvent ecamEvent(KUidECamEventPowerOnComplete, ret); |
|
925 iPlugin->iCameraObserver2->HandleEvent(ecamEvent); |
|
926 } |
|
927 |
|
928 void CMMCameraPowerHandler::DoCancel() |
|
929 { |
|
930 if(!iPlugin->iPoweredUp) |
|
931 { |
|
932 iPlugin->iCameraSession.SendMessage(ECamPowerCamera, ECameraCancelPowerOnNotification); |
|
933 } |
|
934 } |
|
935 |
|
936 |
|
937 // __________________________________________________________________________ |
|
938 // Exported proxy for instantiation method resolution |
|
939 // Define the interface UIDs |
|
940 const TImplementationProxy ImplementationTable[] = |
|
941 { |
|
942 IMPLEMENTATION_PROXY_ENTRY(KUidMMCameraClientSession, CMMCameraClientSession::NewL), |
|
943 IMPLEMENTATION_PROXY_ENTRY(KUidMMCameraClientSessionInfo, CMMCameraClientSessionInfo::NewL) |
|
944 }; |
|
945 |
|
946 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) |
|
947 { |
|
948 aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); |
|
949 |
|
950 return ImplementationTable; |
|
951 } |