1 /* 2 Open Tracker License 3 4 Terms and Conditions 5 6 Copyright (c) 1991-2001, Be Incorporated. All rights reserved. 7 8 Permission is hereby granted, free of charge, to any person obtaining a copy of 9 this software and associated documentation files (the "Software"), to deal in 10 the Software without restriction, including without limitation the rights to 11 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 12 of the Software, and to permit persons to whom the Software is furnished to do 13 so, subject to the following conditions: 14 15 The above copyright notice and this permission notice applies to all licensees 16 and shall be included in all copies or substantial portions of the Software. 17 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY, 20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION 23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 25 Except as contained in this notice, the name of Be Incorporated shall not be 26 used in advertising or otherwise to promote the sale, use or other dealings in 27 this Software without prior written authorization from Be Incorporated. 28 29 BeMail(TM), Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks 30 of Be Incorporated in the United States and other countries. Other brand product 31 names are registered trademarks or trademarks of their respective holders. 32 All rights reserved. 33 */ 34 #ifndef _CONTENT_H 35 #define _CONTENT_H 36 37 #include <FilePanel.h> 38 #include <FindDirectory.h> 39 #include <Font.h> 40 #include <fs_attr.h> 41 #include <Point.h> 42 #include <Rect.h> 43 #include <MessageFilter.h> 44 45 #include "KUndoBuffer.h" 46 47 #define MESSAGE_TEXT "Message:" 48 #define MESSAGE_TEXT_H 16 49 #define MESSAGE_TEXT_V 5 50 #define MESSAGE_FIELD_H 59 51 #define MESSAGE_FIELD_V 11 52 53 #define CONTENT_TYPE "content-type: " 54 #define CONTENT_ENCODING "content-transfer-encoding: " 55 #define CONTENT_DISPOSITION "Content-Disposition: " 56 #define MIME_TEXT "text/" 57 #define MIME_MULTIPART "multipart/" 58 59 class TMailWindow; 60 class TScrollView; 61 class TTextView; 62 class BFile; 63 class BList; 64 class BPopupMenu; 65 66 struct text_run_array; 67 68 typedef struct { 69 bool header; 70 bool raw; 71 bool quote; 72 bool incoming; 73 bool close; 74 bool mime; 75 TTextView *view; 76 BEmailMessage *mail; 77 BList *enclosures; 78 sem_id *stop_sem; 79 } reader_info; 80 81 enum ENCLOSURE_TYPE { 82 TYPE_ENCLOSURE = 100, 83 TYPE_BE_ENCLOSURE, 84 TYPE_URL, 85 TYPE_MAILTO 86 }; 87 88 struct hyper_text { 89 int32 type; 90 char *name; 91 char *content_type; 92 char *encoding; 93 int32 text_start; 94 int32 text_end; 95 BMailComponent *component; 96 bool saved; 97 bool have_ref; 98 entry_ref ref; 99 node_ref node; 100 }; 101 102 class TSavePanel; 103 104 105 //==================================================================== 106 107 class TContentView : public BView { 108 public: 109 TContentView(BRect, bool incoming, BFont*, 110 bool showHeader, bool coloredQuotes); 111 virtual void MessageReceived(BMessage *); 112 void FindString(const char *); 113 void Focus(bool); 114 void FrameResized(float, float); 115 116 TTextView *fTextView; 117 118 private: 119 bool fFocus; 120 bool fIncoming; 121 float fOffset; 122 }; 123 124 //==================================================================== 125 126 enum { 127 S_CLEAR_ERRORS = 1, 128 S_SHOW_ERRORS = 2 129 }; 130 131 struct quote_context { 132 quote_context() 133 : 134 level(0), 135 diff_mode(0), 136 begin(true), 137 in_diff(false), 138 was_diff(false) 139 { 140 } 141 142 int32 level; 143 int32 diff_mode; 144 bool begin; 145 bool in_diff; 146 bool was_diff; 147 }; 148 149 class TTextView : public BTextView { 150 public: 151 TTextView(BRect, BRect, bool incoming, 152 TContentView*, BFont*, bool showHeader, 153 bool coloredQuotes); 154 ~TTextView(); 155 156 virtual void AttachedToWindow(); 157 virtual void KeyDown(const char*, int32); 158 virtual void MakeFocus(bool); 159 virtual void MessageReceived(BMessage*); 160 virtual void MouseDown(BPoint); 161 virtual void MouseMoved(BPoint, uint32, const BMessage*); 162 virtual void InsertText(const char *text, int32 length, int32 offset, 163 const text_run_array *runs); 164 virtual void DeleteText(int32 start, int32 finish); 165 166 void ClearList(); 167 void LoadMessage(BEmailMessage *mail, bool quoteIt, const char *insertText); 168 void Open(hyper_text*); 169 status_t Save(BMessage *, bool makeNewFile = true); 170 void StopLoad(); 171 void AddAsContent(BEmailMessage *mail, bool wrap, uint32 charset, mail_encoding encoding); 172 void CheckSpelling(int32 start, int32 end, 173 int32 flags = S_CLEAR_ERRORS | S_SHOW_ERRORS); 174 void FindSpellBoundry(int32 length, int32 offset, int32 *start, 175 int32 *end); 176 void EnableSpellCheck(bool enable); 177 178 void AddQuote(int32 start, int32 finish); 179 void RemoveQuote(int32 start, int32 finish); 180 181 void WindowActivated(bool flag); 182 void Undo(BClipboard *clipboard); 183 void Redo(); 184 185 const BFont *Font() const { return &fFont; } 186 187 bool fHeader; 188 bool fColoredQuotes; 189 bool fReady; 190 191 private: 192 struct { bool replaced, deleted; } fUndoState; 193 KUndoBuffer fUndoBuffer; 194 195 struct { bool active, replace; } fInputMethodUndoState; 196 KUndoBuffer fInputMethodUndoBuffer; 197 // For handling Input Method changes in undo. 198 199 struct spell_mark; 200 201 spell_mark *FindSpellMark(int32 start, int32 end, spell_mark **_previousMark = NULL); 202 void UpdateSpellMarks(int32 offset, int32 length); 203 status_t AddSpellMark(int32 start, int32 end); 204 bool RemoveSpellMark(int32 start, int32 end); 205 void RemoveSpellMarks(); 206 207 void ContentChanged(void); 208 209 class Reader; 210 friend class TTextView::Reader; 211 212 char *fYankBuffer; 213 int32 fLastPosition; 214 BFile *fFile; 215 BEmailMessage *fMail; 216 // for incoming/replied/forwarded mails only 217 BFont fFont; 218 TContentView *fParent; 219 sem_id fStopSem; 220 bool fStopLoading; 221 thread_id fThread; 222 BList *fEnclosures; 223 BPopUpMenu *fEnclosureMenu; 224 BPopUpMenu *fLinkMenu; 225 TSavePanel *fPanel; 226 bool fIncoming; 227 bool fSpellCheck; 228 bool fRaw; 229 bool fCursor; 230 231 struct spell_mark { 232 spell_mark *next; 233 int32 start; 234 int32 end; 235 struct text_run_array *style; 236 }; 237 238 spell_mark *fFirstSpellMark; 239 240 class Reader { 241 public: 242 Reader(bool header, bool raw, bool quote, bool incoming, 243 bool stripHeaders, bool mime, TTextView* view, 244 BEmailMessage* mail, BList* list, sem_id sem); 245 246 static status_t Run(void* _dummy); 247 248 private: 249 bool ParseMail(BMailContainer* container, 250 BTextMailComponent* ignore); 251 bool Process(const char* data, int32 length, 252 bool isHeader = false); 253 bool Insert(const char* line, int32 count, bool isHyperLink, 254 bool isHeader = false); 255 256 bool Lock(); 257 status_t Unlock(); 258 259 bool fHeader; 260 bool fRaw; 261 bool fQuote; 262 quote_context fQuoteContext; 263 bool fIncoming; 264 bool fStripHeader; 265 bool fMime; 266 TTextView* fView; 267 BEmailMessage* fMail; 268 BList *fEnclosures; 269 sem_id fStopSem; 270 }; 271 }; 272 273 274 //==================================================================== 275 276 class TSavePanel : public BFilePanel { 277 public: 278 TSavePanel(hyper_text*, TTextView*); 279 virtual void SendMessage(const BMessenger*, BMessage*); 280 void SetEnclosure(hyper_text*); 281 282 private: 283 hyper_text *fEnclosure; 284 TTextView *fView; 285 }; 286 287 //==================================================================== 288 289 class TextRunArray { 290 public: 291 TextRunArray(size_t entries); 292 ~TextRunArray(); 293 294 text_run_array &Array() { return *fArray; } 295 size_t MaxEntries() const { return fNumEntries; } 296 297 private: 298 text_run_array *fArray; 299 size_t fNumEntries; 300 }; 301 302 extern void FillInQuoteTextRuns(BTextView* view, quote_context* context, 303 const char* line, int32 length, const BFont& font, text_run_array* style, 304 int32 maxStyles = 5); 305 306 #endif /* #ifndef _CONTENT_H */ 307 308