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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 "mmdirectviewfinder.h" |
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22 |
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23 #include <graphics/surfaceconfiguration.h> |
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24 #include "w32std.h" |
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25 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS |
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26 #include <ecamdef.h> |
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27 #endif |
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28 |
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29 CMMDirectViewFinder* CMMDirectViewFinder::NewL(CMMCameraClientSession& aOwner) |
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30 { |
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31 CMMDirectViewFinder* self = new (ELeave) CMMDirectViewFinder(aOwner); |
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32 CleanupStack::PushL(self); |
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33 self->ConstructL(); |
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34 CleanupStack::Pop(self); |
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35 return self; |
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36 } |
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37 |
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38 void CMMDirectViewFinder::ConstructL() |
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39 { |
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40 } |
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41 |
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42 CMMDirectViewFinder::CMMDirectViewFinder(CMMCameraClientSession& aOwner) |
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43 : iOwner(aOwner), iDirectViewFinderObserver(NULL), iPrepareCompleted(EFalse) |
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44 { |
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45 iReferenceCount++; |
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46 } |
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47 |
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48 CMMDirectViewFinder::~CMMDirectViewFinder() |
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49 { |
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50 } |
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51 |
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52 void CMMDirectViewFinder::Release(CCamera::CCameraV2DirectViewFinder* aDirectViewFinderHandle) |
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53 { |
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54 THashMapIter<TInt, CCamera::CCameraV2DirectViewFinder*> iter(iOwner.iHashMap); |
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55 for (CCamera::CCameraV2DirectViewFinder* const* vF = iter.NextValue(); vF; vF = iter.NextValue()) |
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56 { |
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57 if (*vF == aDirectViewFinderHandle) |
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58 { |
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59 iOwner.iHashMap.Remove(*iter.CurrentKey()); |
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60 break; |
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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 void CMMDirectViewFinder::CreateHistogramImplFactoryL(MImplementationFactory*& /*aImplFactoryPtr*/) const |
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66 { |
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67 User::Leave(KErrNotSupported); |
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68 } |
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69 |
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70 void CMMDirectViewFinder::GetImageProcessingImplFactoryL(MImplementationFactory*& /*aImplFactoryPtr*/) const |
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71 { |
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72 User::Leave(KErrNotSupported); |
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73 } |
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74 |
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75 TAny* CMMDirectViewFinder::GetDirectSnapshotImpl(TUid /*aInterface*/) const |
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76 { |
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77 return NULL; |
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78 } |
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79 |
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80 void CMMDirectViewFinder::SetDirectViewFinderObserver(MDirectViewFinderObserver& aDirectViewFinderObserver) |
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81 { |
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82 iDirectViewFinderObserver = &aDirectViewFinderObserver; |
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83 } |
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84 |
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85 void CMMDirectViewFinder::SetDirectViewFinderHandle(CCamera::CCameraV2DirectViewFinder* aDirectViewFinderHandle) |
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86 { |
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87 TInt position = iOwner.iHashMap.Count(); |
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88 iDirectViewFinderHandle = aDirectViewFinderHandle; |
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89 iOwner.iHashMap.Insert(position, iDirectViewFinderHandle); |
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90 } |
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91 |
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92 void CMMDirectViewFinder::StartViewFinderDirectL(RWsSession& aWs, CWsScreenDevice& aScreenDevice, RWindowBase& aWindow, TRect& aScreenRect) |
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93 { |
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94 TRect clip; |
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95 clip.SetWidth(0); |
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96 clip.SetHeight(0); |
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97 |
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98 StartViewFinderDirectL(aWs, aScreenDevice, aWindow, aScreenRect, clip); |
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99 } |
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100 |
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101 void CMMDirectViewFinder::StartViewFinderDirectL(RWsSession& /*aWs*/, CWsScreenDevice& aScreenDevice, |
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102 RWindowBase& aWindow, TRect& aScreenRect, TRect& aClipRect) |
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103 { |
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104 // Make sure device is powered up (implies it has been reserved) |
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105 if (!iOwner.iPoweredUp) |
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106 { |
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107 User::Leave(KErrNotReady); |
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108 } |
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109 |
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110 // Ensure start is not called twice |
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111 CCamera::CCameraV2DirectViewFinder::TViewFinderState state; |
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112 GetViewFinderStateL(state); |
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113 if (state != CCamera::CCameraV2DirectViewFinder::EViewFinderInActive) |
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114 { |
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115 User::Leave(KErrNotReady); |
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116 } |
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117 |
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118 TInt error = KErrNone; |
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119 if (!iPrepareCompleted) |
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120 { |
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121 TDirectViewFinderInfo directViewFinderInfo; |
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122 // Retrieve screen number from the screen device |
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123 directViewFinderInfo.iScreenNum = aScreenDevice.GetScreenNumber(); |
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124 directViewFinderInfo.iScreenRect = aScreenRect; |
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125 directViewFinderInfo.iClipRect = aClipRect; |
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126 TDirectViewFinderInfoPckg directViewFinderInfoPckg(directViewFinderInfo); |
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127 |
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128 // Prepare viewfinder for playback and retrieve the surface id from the graphics sink |
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129 error = iOwner.iCameraSession.SendMessage(ECamPrepareDirectViewFinder, directViewFinderInfoPckg); |
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130 if (error == KErrNone) |
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131 { |
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132 TSurfaceConfiguration surfaceConfig; |
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133 directViewFinderInfo = directViewFinderInfoPckg(); |
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134 |
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135 error = surfaceConfig.SetSurfaceId(directViewFinderInfo.iSurfaceId); |
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136 if (error == KErrNone) |
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137 { |
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138 // User::LeaveIfError(surfaceConfig.SetOrientation(CFbsBitGc::EGraphicsOrientationRotated90)); |
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139 error = surfaceConfig.SetExtent(aScreenRect); |
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140 if (error == KErrNone) |
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141 { |
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142 // User::LeaveIfError(aWindow.SetRequiredDisplayMode(EColor64K)); |
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143 error = aWindow.SetBackgroundSurface(surfaceConfig, ETrue); |
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144 if (error == KErrNone) |
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145 { |
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146 iPrepareCompleted = ETrue; |
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147 } |
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148 } |
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149 } |
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150 } |
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151 } |
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152 |
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153 if (error != KErrNone) |
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154 { |
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155 User::Leave(error); |
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156 } |
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157 |
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158 // Start the viewfinder |
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159 error = iOwner.iCameraSession.SendMessage(ECamStartDirectViewFinder); |
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160 if (error != KErrNone) |
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161 { |
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162 User::Leave(error); |
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163 } |
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164 |
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165 // HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! |
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166 // TODO: Here to let tests run. Will be removed once foundation provide event registration/notification APIs |
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167 iDirectViewFinderObserver->DirectViewFinderFirstFrameDisplayed(*iDirectViewFinderHandle, KErrNone); |
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168 } |
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169 |
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170 void CMMDirectViewFinder::GetDirectViewFinderPropertiesL(TInt& aScreenNumber, TRect& aScreenRect, TRect& aClipRect) const |
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171 { |
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172 if (!iPrepareCompleted) |
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173 { |
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174 User::Leave(KErrNotReady); |
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175 } |
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176 |
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177 TDirectViewFinderInfo info; |
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178 TDirectViewFinderInfoPckg pckg(info); |
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179 |
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180 iOwner.iCameraSession.SendRxMessage(ECamDirectViewFinderProperties, pckg); |
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181 info = pckg(); |
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182 aScreenNumber = info.iScreenNum; |
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183 aScreenRect = info.iScreenRect; |
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184 aClipRect = info.iClipRect; |
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185 } |
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186 |
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187 void CMMDirectViewFinder::PauseViewFinderDirect() |
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188 { |
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189 iOwner.iCameraSession.SendMessage(ECamPauseDirectViewFinder); |
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190 } |
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191 |
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192 void CMMDirectViewFinder::ResumeViewFinderDirect() |
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193 { |
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194 iOwner.iCameraSession.SendMessage(ECamResumeDirectViewFinder); |
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195 // HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! HACK!!! |
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196 // TODO: Here to let tests run. Will be removed once foundation provide event registration/notification APIs |
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197 iDirectViewFinderObserver->DirectViewFinderFirstFrameDisplayed(*iDirectViewFinderHandle, KErrNone); |
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198 } |
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199 |
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200 void CMMDirectViewFinder::GetViewFinderStateL(CCamera::CCameraV2DirectViewFinder::TViewFinderState& aViewFinderState) const |
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201 { |
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202 TDirectViewFinderState state; |
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203 TDirectViewFinderStatePckg pckg(state); |
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204 |
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205 User::LeaveIfError(iOwner.iCameraSession.SendRxMessage(ECamDirectViewFinderState, pckg)); |
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206 |
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207 state = pckg(); |
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208 aViewFinderState = state.iState; |
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209 } |
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210 |
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211 void CMMDirectViewFinder::StopDirectViewFinder() |
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212 { |
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213 iOwner.iCameraSession.SendMessage(ECamStopDirectViewFinder); |
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214 } |
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215 |
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216 void CMMDirectViewFinder::Release() |
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217 { |
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218 iReferenceCount--; |
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219 if (iReferenceCount == 0) |
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220 { |
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221 delete this; |
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222 } |
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223 } |
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224 |
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225 void CMMDirectViewFinder::GetViewFinderFadingCapabilitiesL(CCameraViewFinder::TViewFinderFadingCapabilities& /*aVFFadingCapabilities*/) const |
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226 { |
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227 User::Leave(KErrNotSupported); |
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228 } |
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229 |
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230 void CMMDirectViewFinder::GetViewFinderFadingEffectL(CCameraViewFinder::TViewFinderFadingEffect& /*aCurrentVFFadingEffect*/) const |
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231 { |
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232 User::Leave(KErrNotSupported); |
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233 } |
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234 |
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235 void CMMDirectViewFinder::SetViewFinderFadingEffect(const CCameraViewFinder::TViewFinderFadingEffect& /*aVFFadingEffect*/) |
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236 { |
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237 TECAMEvent event(KUidECamEvent2ViewFinderFadingEffect, KErrNotSupported); |
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238 iOwner.iCameraObserver2->HandleEvent(event); |
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239 } |
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240 |
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241 void CMMDirectViewFinder::GetViewFinderHandleL(TInt& aVFHandle) const |
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242 { |
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243 THashMapIter<TInt, CCamera::CCameraV2DirectViewFinder*> iter(iOwner.iHashMap); |
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244 for (CCamera::CCameraV2DirectViewFinder* const* vF = iter.NextValue(); vF; vF = iter.NextValue()) |
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245 { |
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246 if (*vF == iDirectViewFinderHandle) |
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247 { |
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248 // Handle returned is position within the hash table + 100 (arbitrary value to show uniquenness of handle) |
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249 aVFHandle = *iter.CurrentKey() + 100; |
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250 return; |
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251 } |
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252 } |
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253 User::Leave(KErrNotFound); |
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254 } |