webcit/iconbar.c

   1 /*
   2  * $Id$
   3  *
   4  * Displays and customizes the iconbar.
   5  */
   6
   7 #include "webcit.h"
   8
   9 /* Values for ib_displayas ... don't change these or you will break the templates */
  10 #define IB_PICTEXT      0       /* picture and text */
  11 #define IB_PICONLY      1       /* just a picture */
  12 #define IB_TEXTONLY     2       /* just text */
  13
  14 void DontDeleteThis(void *Data){}
  15
  16 #define IconbarIsEnabled(a, b) IconbarIsENABLED(a, sizeof(a) - 1, b)
  17
  18
  19
  20 typedef struct _dflt_IB_Setting {
  21         int DefVal;
  22         const char *Key;
  23         long len;
  24 }dflt_IB_Setting;
  25
  26 dflt_IB_Setting IconbarDefaults[] = {
  27         {0, HKEY("ib_displayas")},
  28         {0, HKEY("ib_logo")},
  29         {1, HKEY("ib_summary")},
  30         {1, HKEY("ib_inbox")},
  31         {1, HKEY("ib_calendar")},
  32         {1, HKEY("ib_contacts")},
  33         {1, HKEY("ib_notes")},
  34         {1, HKEY("ib_tasks")},
  35         {1, HKEY("ib_rooms")},
  36         {1, HKEY("ib_users")},
  37         {1, HKEY("ib_chat")},
  38         {1, HKEY("ib_advanced")},
  39         {1, HKEY("ib_logoff")},
  40         {1, HKEY("ib_citadel")},
  41         {0, HKEY("")}
  42 };
  43
  44 HashList *IBDfl = NULL;
  45
  46 long IconbarGetDefault(const char *key, size_t keylen)
  47 {
  48         void *vIBDfl;
  49
  50         if (GetHash(IBDfl, key, keylen, &vIBDfl)) {
  51                 dflt_IB_Setting *Set = (dflt_IB_Setting*)vIBDfl;
  52                 return Set->DefVal;
  53         }
  54         return 0;
  55 }
  56 long IconbarIsENABLED(const char *key, size_t keylen, long defval)
  57 {
  58         void *Data = NULL;
  59         wcsession *WCC = WC;
  60
  61         if (WCC == NULL)
  62                 return defval;
  63
  64         if (GetHash(WCC->IconBarSettings,
  65                     key,
  66                     keylen,
  67                     &Data))
  68                 return (long) Data;
  69         else
  70                 return defval;
  71 }
  72
  73 #ifdef DBG_ICONBAR_HASH
  74 static char nbuf[32];
  75 inline const char *PrintInt(void *Prefstr)
  76 {
  77         snprintf(nbuf, sizeof(nbuf), "%ld", (long)Prefstr);
  78         return nbuf;
  79 }
  80 #endif
  81
  82 /* Produces a stylesheet which hides any iconbar icons the user does not want */
  83 void doUserIconStylesheet(void) {
  84         HashPos *pos;
  85         void *Data;
  86         long value;
  87         const char *key;
  88         long HKLen;
  89
  90         output_custom_content_header("text/css");
  91         hprintf("Cache-Control: private\r\n");
  92
  93         begin_burst();
  94         wc_printf("#global { left: 16%%; }\r\n");
  95         pos = GetNewHashPos(WC->IconBarSettings, 0);
  96         while(GetNextHashPos(WC->IconBarSettings, pos, &HKLen, &key, &Data)) {
  97                 value = (long) Data;
  98                 if (value == 0
  99                     && strncasecmp("ib_displayas",key,12)
 100                     && strncasecmp("ib_logoff", key, 9)) {
 101                         /* Don't shoot me for this */
 102                         wc_printf("#%s { display: none !important; }\r\n",key);
 103                 } else if (!strncasecmp("ib_users",key, 8) && value == 2) {
 104                         wc_printf("#online_users { display: block; !important } \r\n");
 105                 }
 106         }
 107         DeleteHashPos(&pos);
 108         end_burst();
 109 }
 110
 111 int ConditionalIsActiveStylesheet(StrBuf *Target, WCTemplputParams *TP) {
 112         long testFor;
 113         int ib_displayas;
 114
 115         testFor = GetTemplateTokenNumber(Target, TP, 3, IB_PICTEXT);
 116         ib_displayas = IconbarIsENABLED(TKEY(2),IconbarGetDefault(TKEY(2)));
 117         return (testFor == ib_displayas);
 118 }
 119
 120 void LoadIconSettings(StrBuf *iconbar, long lvalue)
 121 {
 122         wcsession *WCC = WC;
 123         StrBuf *buf;
 124         StrBuf *key;
 125         long val;
 126         int i, nTokens;
 127
 128         buf = NewStrBuf();;
 129         key = NewStrBuf();
 130         if (WCC->IconBarSettings == NULL)
 131                 WCC->IconBarSettings = NewHash(1, NULL);
 132         /**
 133          * The initialized values of these variables also happen to
 134          * specify the default values for users who haven't customized
 135          * their iconbars.  These should probably be set in a master
 136          * configuration somewhere.
 137          */
 138
 139         nTokens = StrBufNum_tokens(iconbar, ',');
 140         for (i=0; i<nTokens; ++i) {
 141                 StrBufExtract_token(buf, iconbar, i, ',');
 142                 StrBufExtract_token(key, buf, 0, '=');
 143                 val = StrBufExtract_long(buf, 1, '=');
 144                 Put(WCC->IconBarSettings,
 145                     ChrPtr(key), StrLength(key),
 146                     (void*)val, DontDeleteThis);
 147         }
 148
 149 #ifdef DBG_ICONBAR_HASH
 150         dbg_PrintHash(WCC->IconBarSetttings, PrintInt, NULL);
 151 #endif
 152
 153         FreeStrBuf(&key);
 154         FreeStrBuf(&buf);
 155 }
 156
 157
 158 /*
 159  * save changes to iconbar settings
 160  */
 161 void commit_iconbar(void) {
 162         const StrBuf *MimeType;
 163         StrBuf *iconbar;
 164         StrBuf *buf;
 165         int i;
 166
 167
 168         if (!havebstr("ok_button")) {
 169                 display_main_menu();
 170                 return;
 171         }
 172
 173         iconbar = NewStrBuf();
 174         buf = NewStrBuf();
 175         StrBufPrintf(iconbar, "ib_displayas=%d", ibstr("ib_displayas"));
 176         for (i=0; i<(sizeof(IconbarDefaults)/sizeof(dflt_IB_Setting )); ++i) {
 177                 char *Val;
 178                 if (!strcasecmp(Bstr(IconbarDefaults[i].Key,
 179                                      IconbarDefaults[i].len),
 180                                 "yes"))
 181                 {
 182                         Val = "1";
 183                 }
 184                 else if (!strcasecmp(Bstr(IconbarDefaults[i].Key,
 185                                           IconbarDefaults[i].len),
 186                                      "yeslist"))
 187                 {
 188                         Val = "2";
 189                 }
 190                 else {
 191                         Val = "0";
 192                 }
 193                 StrBufPrintf(buf, ",%s=%s", IconbarDefaults[i].Key, Val);
 194                 StrBufAppendBuf(iconbar, buf, 0);
 195
 196         }
 197         FreeStrBuf(&buf);
 198         set_preference("iconbar", iconbar, 1);
 199
 200
 201         begin_burst();
 202         MimeType = DoTemplate(HKEY("iconbar_save"), NULL, &NoCtx);
 203         http_transmit_thing(ChrPtr(MimeType), 0);
 204 #ifdef DBG_ICONBAR_HASH
 205         dbg_PrintHash(WC->IconBarSetttings, PrintInt, NULL);
 206 #endif
 207 }
 208
 209
 210 void tmplput_iconbar(StrBuf *Target, WCTemplputParams *TP)
 211 {
 212         wcsession *WCC = WC;
 213
 214         if ((WCC != NULL) && (WCC->logged_in)) {
 215           DoTemplate(HKEY("iconbar"), NULL, &NoCtx);
 216         }
 217 }
 218
 219
 220 void
 221 ServerShutdownModule_ICONBAR
 222 (void)
 223 {
 224         DeleteHash(&IBDfl);
 225 }
 226
 227
 228
 229 void
 230 ServerStartModule_ICONBAR
 231 (void)
 232 {
 233         int i = 0;
 234         IBDfl = NewHash(1, NULL);
 235
 236         while (IconbarDefaults[i].len != 0)
 237         {
 238                 Put(IBDfl,
 239                     IconbarDefaults[i].Key,
 240                     IconbarDefaults[i].len,
 241                     &IconbarDefaults[i],
 242                     reference_free_handler);
 243                 i++;
 244         }
 245 }
 246
 247 void
 248 InitModule_ICONBAR
 249 (void)
 250 {
 251         WebcitAddUrlHandler(HKEY("user_iconbar"), "", 0, doUserIconStylesheet, 0);
 252         WebcitAddUrlHandler(HKEY("commit_iconbar"), "", 0, commit_iconbar, 0);
 253         RegisterConditional(HKEY("COND:ICONBAR:ACTIVE"), 3, ConditionalIsActiveStylesheet, CTX_NONE);
 254         RegisterNamespace("ICONBAR", 0, 0, tmplput_iconbar, NULL, CTX_NONE);
 255
 256         RegisterPreference("iconbar", _("Iconbar Setting"), PRF_STRING, LoadIconSettings);
 257 }
 258
 259
 260
 261 void
 262 SessionDestroyModule_ICONBAR
 263 (wcsession *sess)
 264 {
 265         DeleteHash(&sess->IconBarSettings);
 266 }