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1 /*------------------------------------------------------------------ |
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2 - |
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3 * Software Name : UserEmulator |
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4 * Version : v4.2.1309 |
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5 * |
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6 * Copyright (c) 2009 France Telecom. All rights reserved. |
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7 * This software is distributed under the License |
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8 * "Eclipse Public License - v 1.0" the text of which is available |
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9 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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10 * |
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11 * Initial Contributors: |
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12 * France Telecom |
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13 * |
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14 * Contributors: |
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15 *------------------------------------------------------------------ |
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16 - |
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17 * File Name: ImageCapture.cpp |
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18 * |
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19 * Created: 13/08/2009 |
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20 * Author(s): Marcell Kiss, Reshma Sandeep Das |
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21 * |
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22 * Description: |
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23 * Active object implementation for Image capture |
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24 *------------------------------------------------------------------ |
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25 - |
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26 * |
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27 */ |
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28 |
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29 //System Includes |
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30 #include <icl\ImageData.h> |
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31 #include <icl\ImageCodecData.h> |
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32 #include <coemain.h> |
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33 #include <PathInfo.h> |
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34 #include <bautils.h> |
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35 #include <apgwgnam.h>// CApaWindowGroupName |
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36 |
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37 //User Include |
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38 #include "ImageCapture.h" |
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39 |
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40 // ----------------------------------------------------------------------------- |
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41 // CImageCapture::NewL |
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42 // Creates the instance of class and returns it. |
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43 // ----------------------------------------------------------------------------- |
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44 // |
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45 CImageCapture* CImageCapture::NewL(CSettings& aSettings ,MScreenshotObserver& aObserver, CEikonEnv* aEikonEnv) |
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46 { |
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47 CImageCapture* self=CImageCapture::NewLC(aSettings, aObserver, aEikonEnv); |
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48 CleanupStack::Pop(); // self; |
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49 return self; |
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50 } |
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51 |
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52 // ----------------------------------------------------------------------------- |
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53 // CImageCapture::NewLC |
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54 // Creates the instance of class and pushes it to the CleanupStack and return |
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55 // it. |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 CImageCapture* CImageCapture::NewLC(CSettings& aSettings,MScreenshotObserver& aObserver, CEikonEnv* aEikonEnv) |
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59 { |
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60 CImageCapture* self = new (ELeave)CImageCapture(aSettings, aObserver, aEikonEnv); |
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61 CleanupStack::PushL(self); |
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62 self->ConstructL(); |
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63 return self; |
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64 } |
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65 // ----------------------------------------------------------------------------- |
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66 // CImageCapture::CImageCapture |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 CImageCapture::CImageCapture(CSettings& aSettings,MScreenshotObserver& aObserver, CEikonEnv* aEikonEnv) |
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70 : CActive(CActive::EPriorityStandard), |
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71 iSettings(aSettings),iBitmap(NULL), |
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72 iImageEncoder(NULL), |
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73 iObserver(aObserver), |
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74 iEEnv(aEikonEnv) |
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75 { |
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76 } |
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77 // ----------------------------------------------------------------------------- |
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78 // CImageCapture::ConstructL |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 void CImageCapture::ConstructL() |
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82 { |
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83 CActiveScheduler::Add(this); |
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84 User::LeaveIfError(iTimer.CreateLocal()); |
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85 } |
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86 // ----------------------------------------------------------------------------- |
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87 // CImageCapture::~CImageCapture |
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88 // ----------------------------------------------------------------------------- |
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89 // |
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90 CImageCapture::~CImageCapture() |
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91 { |
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92 Cancel(); |
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93 |
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94 if (iImageEncoder) |
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95 { |
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96 delete iImageEncoder; |
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97 iImageEncoder = 0; |
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98 } |
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99 |
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100 if(iBitmap) |
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101 delete iBitmap; |
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102 |
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103 iTimer.Close(); |
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104 iScreenShotStatus = EIdle; |
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105 } |
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106 // ------------------------------------------------------------------------------ |
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107 // CImageCapture::RunL |
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108 // Issues request to save Images and notifies the observer after saving the image |
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109 // ------------------------------------------------------------------------------ |
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110 // |
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111 void CImageCapture::RunL() |
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112 { |
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113 switch (iScreenShotStatus) |
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114 { |
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115 case EIdle: |
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116 break; |
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117 |
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118 case EWaiting: |
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119 { |
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120 RWsSession& wsSession = iEEnv->WsSession(); |
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121 TInt id = wsSession.GetFocusWindowGroup(); |
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122 CApaWindowGroupName* lApaWGName; |
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123 lApaWGName = CApaWindowGroupName::NewLC(wsSession,id); |
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124 |
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125 TUid uid = lApaWGName->AppUid(); |
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126 |
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127 if(uid.operator ==(iAppUid) ) |
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128 Fire(ECapturing); |
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129 else |
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130 FireCapture(1000000); |
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131 |
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132 CleanupStack::PopAndDestroy(); // lApaWGName |
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133 |
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134 } |
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135 break; |
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136 |
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137 case ECapturing: |
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138 DoCaptureL(); |
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139 break; |
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140 |
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141 |
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142 case ESaveComplete: |
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143 default: |
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144 iObserver.PerformNextAction(1); |
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145 delete this; |
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146 |
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147 } |
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148 } |
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149 // ----------------------------------------------------------------------------- |
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150 // CImageCapture::CaptureL |
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151 // ----------------------------------------------------------------------------- |
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152 // |
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153 void CImageCapture::CaptureL(const TDesC& aName,const TDesC& aXmlFileName, TUid aAppUid) |
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154 { |
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155 iFileName.Copy(aName); |
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156 iXmlFileName.Copy(aXmlFileName); |
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157 iAppUid = aAppUid; |
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158 |
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159 if(AknLayoutUtils::PenEnabled() && !(aAppUid.iUid ) ) |
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160 { |
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161 User::After(KWait1); |
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162 } |
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163 |
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164 if(iAppUid.iUid) |
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165 Fire(EWaiting); |
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166 else |
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167 DoCaptureL(); |
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168 |
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169 } |
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170 |
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171 // -------------------------------------------------------------------------- |
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172 // Captures the screenshot and store it to a buffer. |
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173 // -------------------------------------------------------------------------- |
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174 void CImageCapture::DoCaptureL() |
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175 { |
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176 const CWsScreenDevice* screenDevice = CCoeEnv::Static()->ScreenDevice(); |
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177 |
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178 TPixelsTwipsAndRotation sizeAndRotation; |
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179 screenDevice->GetScreenModeSizeAndRotation( |
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180 screenDevice->CurrentScreenMode(), sizeAndRotation); |
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181 |
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182 if(iBitmap) |
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183 delete iBitmap; |
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184 iBitmap = NULL; |
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185 iBitmap = new (ELeave) CFbsBitmap; |
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186 iBitmap->SetSizeInTwips( screenDevice); |
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187 User::LeaveIfError( iBitmap->Create( screenDevice->SizeInPixels(),screenDevice->DisplayMode() ) ); |
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188 User::LeaveIfError( screenDevice->CopyScreenToBitmap(iBitmap)); |
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189 |
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190 //save it in a file |
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191 DoSaveL(iFileName); |
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192 iScreenShotStatus = ESaveComplete; |
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193 SetActive(); |
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194 } |
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195 |
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196 // -------------------------------------------------------------------------- |
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197 // CImageCapture::Fire |
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198 // Fires an event. It means set this active object to active, but completes |
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199 // the request immediately. |
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200 // -------------------------------------------------------------------------- |
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201 void CImageCapture::Fire(TScreenShotStatus aStatus) |
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202 { |
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203 iScreenShotStatus = aStatus; |
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204 SetActive(); |
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205 TRequestStatus* status = &iStatus; |
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206 User::RequestComplete(status, KErrNone); |
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207 } |
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208 |
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209 // -------------------------------------------------------------------------- |
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210 // CImageCapture::FireCapture |
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211 // Fires an event after aTime microseconds. |
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212 // -------------------------------------------------------------------------- |
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213 void CImageCapture::FireCapture(TTimeIntervalMicroSeconds32 aTime) |
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214 { |
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215 iScreenShotStatus = EWaiting; |
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216 iTimer.After(iStatus, aTime); |
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217 if(!IsActive()) |
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218 SetActive(); |
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219 } |
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220 |
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221 // -------------------------------------------------------------------------- |
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222 // CImageCapture::DoSaveL |
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223 // Saves captured screenshot to a file. |
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224 // -------------------------------------------------------------------------- |
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225 void CImageCapture::DoSaveL(const TDesC& aName) |
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226 { |
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227 // Fetch the next available file name. |
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228 |
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229 HBufC* fileName = GetNextFileNameLC(aName); |
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230 CCoeEnv::Static()->FsSession().MkDirAll(*fileName); |
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231 |
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232 // Set the MIME type |
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233 _LIT8(KMimeTypepng,"image/png"); |
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234 TPtrC8 mimeType(KMimeTypepng); |
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235 |
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236 // Prepares the image data (if applied). |
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237 CFrameImageData* frameImageData = CFrameImageData::NewL(); |
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238 CleanupStack::PushL(frameImageData); |
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239 |
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240 TPngEncodeData* encodeData = new (ELeave) TPngEncodeData(); |
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241 encodeData->iPaletted = EFalse; |
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242 encodeData->iColor = ETrue; |
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243 encodeData->iBitsPerPixel = 24; |
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244 encodeData->iLevel = TPngEncodeData::EBestCompression; |
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245 User::LeaveIfError(frameImageData->AppendFrameData(encodeData)); |
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246 |
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247 // Creates a new encoder and then convert the bitmap. |
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248 TRAPD(err, iImageEncoder = CImageEncoder::FileNewL( |
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249 CCoeEnv::Static()->FsSession(), *fileName, mimeType)); |
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250 if(err == KErrNone) |
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251 iImageEncoder->Convert(&iStatus, *iBitmap, frameImageData); |
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252 |
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253 CleanupStack::PopAndDestroy(frameImageData); // frameImageData |
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254 CleanupStack::PopAndDestroy(fileName); // fileName |
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255 |
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256 } |
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257 // -------------------------------------------------------------------------- |
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258 // CImageCapture::GetNextFileNameLC |
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259 // Get the file name |
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260 // -------------------------------------------------------------------------- |
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261 HBufC* CImageCapture::GetNextFileNameLC(const TDesC& aName) const |
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262 { |
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263 const TInt KNumberLength = 4; // this is to indicate the file numbering, |
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264 // e.g. 0001, 0002, etc. |
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265 const TInt KMaxIndex = 10000; |
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266 const TInt KTimeRecordSize = 512; |
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267 |
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268 TPtrC filePathPtr; |
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269 _LIT(KExtensionpng, ".png"); |
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270 _LIT(KSlash,"\\"); |
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271 |
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272 // Gets the file extension. |
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273 TPtrC fileExtension; |
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274 fileExtension.Set(KExtensionpng); |
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275 |
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276 filePathPtr.Set(iSettings.iLogPath); |
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277 TInt result = filePathPtr.LocateReverse('\\'); |
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278 TPtrC string; |
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279 if(result!=KErrNotFound) |
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280 string.Set(filePathPtr.Left(result+1)); |
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281 |
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282 TBuf8<KTimeRecordSize> fileName; |
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283 fileName.Copy(string); |
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284 |
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285 if(iXmlFileName.Length()>0) |
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286 { |
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287 TInt pos=iXmlFileName.LocateReverse('.'); |
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288 TPtrC8 ptr; |
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289 if(pos!=KErrNotFound) |
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290 { |
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291 ptr.Set(iXmlFileName.Left(pos)); |
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292 fileName.Append(ptr); |
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293 } |
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294 |
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295 fileName.Append(KSlash); |
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296 } |
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297 |
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298 fileName.Append(aName); |
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299 HBufC* newFileName = HBufC::NewLC(fileName.Length()+ KNumberLength + fileExtension.Length() + 1); |
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300 TPtr newFileNamePtr(newFileName->Des()); |
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301 newFileNamePtr.Copy(fileName); |
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302 |
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303 |
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304 // Checks whether aNamexxxx.png already exists on the phone or not. |
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305 // This is to prevent over-riding of any existing images with the same name |
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306 TBool IsFileExist = ETrue; |
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307 TInt index = 1; |
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308 HBufC* buffer = HBufC::NewL(newFileNamePtr.MaxLength()); |
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309 TPtr bufferPtr(buffer->Des()); |
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310 while ((index < KMaxIndex) && (IsFileExist)) |
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311 { |
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312 bufferPtr.Copy(newFileNamePtr); |
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313 bufferPtr.AppendNumFixedWidth(index, EDecimal, KNumberLength); |
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314 bufferPtr.Append(fileExtension); |
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315 if (BaflUtils::FileExists(CCoeEnv::Static()->FsSession(), *buffer)) |
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316 { |
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317 index++; |
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318 } |
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319 else |
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320 { |
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321 IsFileExist = EFalse; |
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322 } |
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323 } |
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324 delete buffer; |
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325 |
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326 // If the index exceeds KMaxIndex, then we don't need to format the file name. |
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327 if (index >= KMaxIndex) |
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328 { |
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329 newFileNamePtr.AppendNum(index); |
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330 } |
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331 else |
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332 { |
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333 newFileNamePtr.AppendNumFixedWidth(index, EDecimal, KNumberLength); |
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334 } |
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335 newFileNamePtr.Append(fileExtension); |
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336 |
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337 // If the index greated then KMaxIndex, then rollback to 1 |
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338 |
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339 if (index >= KMaxIndex) |
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340 { |
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341 index = 1; |
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342 } |
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343 |
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344 return newFileName; |
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345 } |
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346 |
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347 void CImageCapture::DoCancel() |
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348 { |
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349 if (iImageEncoder) |
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350 { |
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351 iImageEncoder->Cancel(); |
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352 delete iImageEncoder; |
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353 iImageEncoder = 0; |
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354 } |
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355 iTimer.Cancel(); |
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356 } |