|
1 /* |
|
2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * CPostcardOperationInsertImage, asynchronous operation for inserting image |
|
16 * |
|
17 */ |
|
18 |
|
19 |
|
20 |
|
21 |
|
22 #ifndef __POSTCARDOPERATIONINSERTIMAGE_H |
|
23 #define __POSTCARDOPERATIONINSERTIMAGE_H |
|
24 |
|
25 // INCLUDES |
|
26 |
|
27 #include <e32base.h> |
|
28 #include <e32std.h> |
|
29 #include <f32file.h> |
|
30 |
|
31 #include <uniimageprocessor.h> |
|
32 |
|
33 #include <MIHLViewerObserver.h> |
|
34 |
|
35 #include "PostcardOperation.h" |
|
36 |
|
37 // CONSTANTS |
|
38 |
|
39 // MACROS |
|
40 |
|
41 // FORWARD DECLARATIONS |
|
42 class CMsgMediaInfo; |
|
43 class MIHLFileImage; |
|
44 class MIHLBitmap; |
|
45 class MIHLImageViewer; |
|
46 |
|
47 // DATA TYPES |
|
48 |
|
49 // FUNCTION PROTOTYPES |
|
50 |
|
51 // CLASS DECLARATION |
|
52 |
|
53 /** |
|
54 * CPostcardOperationInsertImage |
|
55 * |
|
56 * @lib postcardeditor.exe |
|
57 * @since 3.0 |
|
58 */ |
|
59 class CPostcardOperationInsertImage : public CPostcardOperation, |
|
60 public MUniImageProcessorCallback, |
|
61 public MIHLViewerObserver |
|
62 { |
|
63 |
|
64 public: // New methods |
|
65 |
|
66 /** |
|
67 * Factory method that creates this object. |
|
68 * @since 3.0 |
|
69 * @param aInfo - info object of the inserted image -> operation takes the ownership |
|
70 * @return Pointer to instance |
|
71 */ |
|
72 static CPostcardOperationInsertImage* NewL( |
|
73 MPostcardOperationObserver& aObserver, |
|
74 CPostcardDocument& aDocument, |
|
75 CPostcardAppUi& aAppUi, |
|
76 CMsgImageInfo* aInfo, |
|
77 RFs& aFs ); |
|
78 |
|
79 /** |
|
80 * Destructor |
|
81 */ |
|
82 virtual ~CPostcardOperationInsertImage( ); |
|
83 |
|
84 /** |
|
85 * Just initializes the iLaunchStep and completes |
|
86 */ |
|
87 void Start( TInt aArgument ); |
|
88 |
|
89 public: // From ImageProcessor |
|
90 |
|
91 /* |
|
92 * If process was not succesfull -> sets error and completes with it, |
|
93 * Otherwise start scaling to screen |
|
94 */ |
|
95 void ImageProcessingReady( TSize aBitmapSize, TInt aFileSize, TBool aCompressed ); |
|
96 |
|
97 protected: // From MIHLViewerObserver |
|
98 |
|
99 /** |
|
100 * From MIHLViewerObserver Notifies client when image handler content has changed. |
|
101 * Leave situation is handled in ViewerError() callback. |
|
102 * |
|
103 * Creates a duplicate of iDestinationBitmap, creates a CGulIcon of it and |
|
104 * passes it to AppUi class |
|
105 * @return void |
|
106 */ |
|
107 void ViewerBitmapChangedL(); |
|
108 |
|
109 /** |
|
110 * From MIHLViewerObserver Notifies client if error occurs in viewer. |
|
111 * |
|
112 * @param aError IN System wide error code. |
|
113 * |
|
114 * @return void |
|
115 */ |
|
116 void ViewerError( TInt aError ); |
|
117 |
|
118 private: |
|
119 |
|
120 /** |
|
121 * Called by RunL. |
|
122 * Calls different functions according to iLaunchStep |
|
123 */ |
|
124 void DoLaunchStepL( ); |
|
125 |
|
126 /** |
|
127 * Removes possible old image. |
|
128 * Starts creating new attachment |
|
129 */ |
|
130 void DoCreateAttaL( ); |
|
131 |
|
132 /** |
|
133 * This functions starts the image process |
|
134 */ |
|
135 void DoStartProcessImageL( ); |
|
136 |
|
137 /** |
|
138 * Sets the mimetypes and content location. |
|
139 * Stores headers |
|
140 */ |
|
141 void DoFinalizeSaveL( ); |
|
142 |
|
143 /** |
|
144 * Starts the scaling process by using ImageHandler Library (scaling to bitmap, not file) |
|
145 */ |
|
146 void DoCreateBitmapL( ); |
|
147 |
|
148 /** |
|
149 * Renames the attachment. |
|
150 * Called when the image needs no other special handling than just renaming. |
|
151 */ |
|
152 void DoRenameAttaL( ); |
|
153 |
|
154 /** |
|
155 * Returns ETrue if compression is needed for the image |
|
156 */ |
|
157 TBool NeedsCompress( ); |
|
158 |
|
159 /** |
|
160 * From CActive |
|
161 */ |
|
162 void DoCancel( ); |
|
163 |
|
164 /** |
|
165 * From CActive |
|
166 */ |
|
167 void RunL( ); |
|
168 |
|
169 /** |
|
170 * From CActive |
|
171 */ |
|
172 TInt RunError( TInt aError ); |
|
173 |
|
174 protected: |
|
175 |
|
176 /** |
|
177 * Constructor. |
|
178 */ |
|
179 CPostcardOperationInsertImage( |
|
180 MPostcardOperationObserver& aObserver, |
|
181 CPostcardDocument& aDocument, |
|
182 CPostcardAppUi& aAppUi, |
|
183 CMsgImageInfo* aInfo, |
|
184 RFs& aFs ); |
|
185 |
|
186 /** |
|
187 * 2nd phase constructor. |
|
188 */ |
|
189 void ConstructL( ); |
|
190 |
|
191 protected: // data |
|
192 |
|
193 /** |
|
194 * Every operation starts with EPostcardInsertImageCreateAtta |
|
195 * |
|
196 * If image is only converted/scaled, this is needed: |
|
197 * EPostcardInsertImageConvert (callback ScalingReady) |
|
198 * |
|
199 * If image is only compressed, this is needed: |
|
200 * EPostcardInsertImageCompress |
|
201 * |
|
202 * If image is first scaled and then compressed |
|
203 * EPostcardInsertImageConvert (callback ScalingReady) |
|
204 * EPostcardInsertImageCreateAttaAfterConvertForCompress |
|
205 * EPostcardInsertImageCompress (callback CompressionReady) |
|
206 * EPostcardInsertImageDeleteTempAtta |
|
207 * |
|
208 * If image is not specifically processed, this is needed: |
|
209 * EPostcardInsertImageRename |
|
210 * |
|
211 * In the end EPostcardInsertImageFinalizeSave where the changes are commited. |
|
212 * And EPostcardInsertImageCreateBitmap creates the bitmap to be shown in the screen |
|
213 * |
|
214 */ |
|
215 |
|
216 enum TPostcardInsertImageState |
|
217 { |
|
218 EPostcardInsertImageInitializing = 0, |
|
219 EPostcardInsertImageCheckAttas, |
|
220 EPostcardInsertImageCreateAtta, |
|
221 EPostcardInsertProcessImage, |
|
222 EPostcardInsertImageRename, |
|
223 EPostcardInsertImageFinalizeSave, |
|
224 EPostcardInsertImageCreateBitmap, |
|
225 EPostcardInsertImageFinished, |
|
226 EPostcardInsertImageError |
|
227 }; |
|
228 |
|
229 enum TPostcardInsertImageFlags |
|
230 { |
|
231 EPostcardInsertImageConvertingImage = 1, |
|
232 EPostcardInsertImageRequestActive = 2 |
|
233 }; |
|
234 |
|
235 CMsgImageInfo* iInfo; // ImageInfo given when this instance is constructed |
|
236 |
|
237 RFile* iCompressFile; // RFile created when the file is being compressed/processed |
|
238 CMsvAttachment* iScaleAtta; // Attachment file for scaled file |
|
239 CMsvAttachment* iCompressAtta; // Attachment file for compressed file |
|
240 CMsvAttachment* iNoOpAtta; // Attachment file for images that need no special handling |
|
241 |
|
242 CUniImageProcessor* iImageProcessor; // Image processor |
|
243 |
|
244 MIHLFileImage* iSourceImage; // source image for scaling to bitmap |
|
245 MIHLBitmap* iDestinationBitmap; // scaled MIHL bitmap |
|
246 MIHLImageViewer* iImageHandler; // image handler for scaling |
|
247 |
|
248 TInt iFlags; |
|
249 }; |
|
250 |
|
251 #endif // __PostcardOperationInsertImage_H |