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1 /* |
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2 * Copyright (c) 2006,2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: CUniEditorProcessImageOperation class definition. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #ifndef MSG_UNIFIED_EDITOR_PROCESS_IMAGEOPERATION_H |
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21 #define MSG_UNIFIED_EDITOR_PROCESS_IMAGEOPERATION_H |
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22 |
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23 // INCLUDES |
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24 |
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25 #include <e32base.h> |
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26 #include <f32file.h> |
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27 #include <msvapi.h> |
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28 #include <apmstd.h> |
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29 |
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30 #include <msgunieditorimageprocessor.h> |
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31 #include <cmsvattachment.h> |
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32 #include <QObject> |
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33 |
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34 // FORWARD DECLARATIONS |
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35 |
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36 class CMsgImageInfo; |
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37 class CMsgImageControl; |
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38 class CUniEditorDocument; |
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39 class MMsvAttachmentManager; |
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40 class CMsvStore; |
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41 class HbAction; |
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42 // DATA TYPES |
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43 |
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44 // CLASS DECLARATION |
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45 |
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46 enum TUniEditorProcessImageOperationEvent |
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47 { |
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48 EUniEditorProcessImageOperationProcessing, |
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49 EUniEditorProcessImageOperationComplete, |
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50 EUniEditorProcessImageOperationError, |
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51 // Cancel is called for active operation |
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52 EUniEditorProcessImageOperationCancel |
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53 }; |
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54 |
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55 class MUniEditorProcessImageOperationObserver |
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56 { |
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57 public: |
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58 |
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59 /** |
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60 * Notifies Image process operation result and the new file to be used |
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61 */ |
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62 virtual void EditorOperationEvent( |
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63 TUniEditorProcessImageOperationEvent aEvent, |
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64 TFileName aFileName) = 0; |
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65 }; |
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66 |
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67 /** |
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68 * CUniEditorProcessImageOperation |
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69 * |
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70 * @since 3.2 |
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71 */ |
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72 class CUniEditorProcessImageOperation : public QObject,public CActive, |
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73 public MUniImageProcessorCallback |
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74 { |
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75 Q_OBJECT |
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76 |
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77 public: // new operations |
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78 |
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79 /** |
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80 * Factory method |
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81 */ |
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82 static CUniEditorProcessImageOperation* NewL( |
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83 MUniEditorProcessImageOperationObserver &aObserver); |
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84 |
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85 /** |
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86 * Start image process operation |
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87 * |
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88 * @param aImageInfo |
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89 * |
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90 */ |
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91 void Process( CMsgImageInfo* aImageInfo); |
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92 |
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93 /** |
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94 * Destructor |
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95 */ |
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96 virtual ~CUniEditorProcessImageOperation(); |
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97 |
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98 /** |
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99 * Detaches image info object. |
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100 */ |
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101 CMsgImageInfo* DetachImageInfo(); |
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102 |
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103 |
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104 protected: |
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105 |
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106 /** |
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107 * From CActive |
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108 */ |
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109 void RunL(); |
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110 |
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111 /** |
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112 * From CActive |
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113 */ |
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114 TInt RunError( TInt aError ); |
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115 |
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116 /** |
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117 * From CActive. |
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118 */ |
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119 void DoCancel(); |
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120 /** |
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121 * From CUniEditorOperation |
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122 */ |
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123 void DoCancelCleanup(); |
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124 |
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125 /** |
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126 * From MUniImageProcessorCallback |
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127 */ |
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128 void ImageProcessingReady( TSize aBitmapSize, |
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129 TInt aFileSize, |
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130 TBool aCompressed ); |
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131 |
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132 private: // new operations |
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133 |
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134 /** |
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135 * C++ constructor |
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136 */ |
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137 CUniEditorProcessImageOperation( |
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138 MUniEditorProcessImageOperationObserver &aObserver); |
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139 |
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140 /** |
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141 * 2nd phase constructor. |
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142 */ |
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143 void ConstructL(); |
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144 |
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145 /** |
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146 * Returns optimal send image size. |
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147 */ |
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148 TSize ImageSendSize() const; |
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149 |
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150 /** |
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151 * Checks whether some processing is needed for the image. |
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152 * Stores the possible processing method to "iProcessMethod". |
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153 * |
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154 * @return EFalse if aborted by user, |
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155 * ETrue otherwise |
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156 */ |
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157 TBool CheckNeedToProcess(); |
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158 |
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159 /** |
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160 * Creates empty attachment. |
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161 */ |
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162 void CreateEmptyAttachmentL(); |
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163 |
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164 /** |
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165 * Start check step. |
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166 */ |
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167 void DoStartCheck(); |
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168 |
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169 /** |
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170 * Start process step. |
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171 */ |
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172 void DoStartProcessL(); |
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173 |
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174 /** |
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175 * Start resolve step. |
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176 */ |
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177 void DoStartResolveL(); |
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178 |
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179 /** |
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180 * Processing ready. |
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181 */ |
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182 void DoReady(); |
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183 |
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184 /** |
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185 * Performs error handling without state change. |
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186 */ |
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187 void DoErrorWithoutStateChange(); |
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188 |
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189 /** |
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190 * Opens file by file name. If it fails with KErrPermissionDenied, |
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191 * file is searched from message store and opened from there |
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192 */ |
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193 RFile OpenFileForReadingL(); |
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194 |
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195 /** |
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196 * CompleteSelf |
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197 */ |
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198 void CompleteSelf( TInt aError ); |
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199 |
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200 /** |
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201 * Sets operation pending. |
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202 */ |
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203 void SetPending(); |
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204 |
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205 /** |
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206 * Completes operation |
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207 */ |
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208 void CompleteOperation( TInt aError ); |
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209 |
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210 /** |
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211 * Check image size |
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212 */ |
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213 void checkLargeImage(); |
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214 |
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215 private slots: |
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216 |
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217 /** |
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218 * This slot is called when large image insertion query dialog is launched. |
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219 * @param action selected action (yes or no). |
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220 */ |
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221 void onDialogLargeImage(HbAction* action); |
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222 |
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223 private: // data |
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224 |
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225 enum TUniProcessStates |
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226 { |
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227 EUniProcessImgCheck, |
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228 EUniProcessImgProcess, |
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229 EUniProcessImgResolve, |
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230 EUniProcessImgReady, |
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231 EUniProcessImgError |
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232 }; |
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233 |
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234 enum TUniProcessMethods |
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235 { |
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236 EUniProcessImgMethodNone = 0x0, |
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237 EUniProcessImgMethodScale = 0x1, |
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238 EUniProcessImgMethodConvert = 0x2, |
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239 EUniProcessImgMethodCompress = 0x4 |
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240 }; |
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241 |
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242 CMsgImageInfo* iImageInfo; |
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243 |
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244 CMsgImageInfo* iNewImageInfo; |
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245 RFile iNewImageFile; |
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246 |
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247 CUniImageProcessor* iImageProcessor; |
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248 |
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249 TInt iProcessMethod; |
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250 |
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251 TSize iScaleSize; |
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252 TSize iScaleSizeResult; |
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253 TDataType iTargetType; |
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254 TBool iExactImageScaling; |
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255 TInt iOperationState; |
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256 MUniEditorProcessImageOperationObserver &iObserver; |
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257 TInt iMaxMmsSize; |
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258 TInt iMaxImageWidth; |
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259 TInt iMaxImageHeight; |
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260 TInt iMmsCreationMode; |
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261 RFs iFs; |
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262 TBool largeImageQuery; |
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263 }; |
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264 |
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265 #endif //MSG_UNIFIED_EDITOR_PROCESS_IMAGEOPERATION_H |