git.maemo.org Git - browser-switch/blob - config-ui/browser-switchboard-cp.c

   1 /*
   2  * browser-switchboard-cp.c -- a hildon-control-panel applet for
   3  * selecting the default browser for Browser Switchboard
   4  *
   5  * Copyright (C) 2009 Steven Luo
   6  *
   7  * Derived from services-cp.c from maemo-control-services
   8  * Copyright (c) 2008 Janne Kataja <janne.kataja@iki.fi>
   9  * Copyright (c) 2008 Nokia Corporation
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2, or (at your option)
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  24  * USA.
  25  */
  26
  27
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <stdio.h>
  31 #include <unistd.h>
  32 #include <errno.h>
  33 #include <glib.h>
  34 #include <glib/gstdio.h>
  35 #include <gtk/gtk.h>
  36 #ifdef HILDON
  37 #include <hildon/hildon-banner.h>
  38 #include <hildon/hildon-program.h>
  39 #ifdef HILDON_CP_APPLET
  40 #include <hildon-cp-plugin/hildon-cp-plugin-interface.h>
  41 #endif
  42 #endif
  43
  44 #include "configfile.h"
  45
  46 #define CONTINUOUS_MODE_DEFAULT 0
  47
  48 struct browser_entry {
  49         char *config;
  50         char *displayname;
  51 };
  52 struct browser_entry browsers[] = {
  53         { "microb", "MicroB" }, /* First entry is the default! */
  54         { "tear", "Tear" },
  55         { "fennec", "Mobile Firefox (Fennec)" },
  56         { "midori", "Midori" },
  57         { "other", "Other" },
  58         { NULL, NULL },
  59 };
  60
  61 struct config_widgets {
  62         GtkWidget *continuous_mode_off_radio;
  63         GtkWidget *continuous_mode_on_radio;
  64         GtkWidget *default_browser_combo;
  65         GtkWidget *other_browser_cmd_entry;
  66         GtkWidget *other_browser_cmd_entry_label;
  67 };
  68 struct config_widgets cw;
  69 GtkWidget *dialog;
  70
  71
  72 /**********************************************************************
  73  * Configuration routines
  74  **********************************************************************/
  75
  76 static inline int get_continuous_mode(void) {
  77         return gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cw.continuous_mode_on_radio));
  78 }
  79 static inline void set_continuous_mode(int state) {
  80         if (state)
  81                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cw.continuous_mode_on_radio), TRUE);
  82         else
  83                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cw.continuous_mode_off_radio), TRUE);
  84 }
  85
  86 static inline char *get_default_browser(void) {
  87         return browsers[gtk_combo_box_get_active(GTK_COMBO_BOX(cw.default_browser_combo))].config;
  88 }
  89 static void set_default_browser(char *browser) {
  90         gint i;
  91
  92         /* Loop through browsers looking for a match */
  93         for (i = 0; browsers[i].config && strcmp(browsers[i].config, browser);
  94                         ++i);
  95
  96         if (!browsers[i].config)
  97                 /* No match found, set to the default browser */
  98                 i = 0;
  99
 100         gtk_combo_box_set_active(GTK_COMBO_BOX(cw.default_browser_combo), i);
 101 }
 102
 103 static inline char *get_other_browser_cmd(void) {
 104         return (char *)gtk_entry_get_text(GTK_ENTRY(cw.other_browser_cmd_entry));
 105 }
 106 static inline void set_other_browser_cmd(char *cmd) {
 107         gtk_entry_set_text(GTK_ENTRY(cw.other_browser_cmd_entry), cmd);
 108 }
 109
 110 static void load_config(void) {
 111         FILE *fp;
 112         int continuous_mode_seen = 0;
 113         int default_browser_seen = 0;
 114         int other_browser_cmd_seen = 0;
 115         struct swb_config_line line;
 116
 117         if (!(fp = open_config_file()))
 118                 return;
 119
 120         /* Parse the config file
 121            TODO: should we handle errors differently than EOF? */
 122         if (!parse_config_file_begin())
 123                 goto out;
 124         while (!parse_config_file_line(fp, &line)) {
 125                 if (line.parsed) {
 126                         if (!strcmp(line.key, "continuous_mode")) {
 127                                 if (!continuous_mode_seen) {
 128                                         set_continuous_mode(atoi(line.value));
 129                                         continuous_mode_seen = 1;
 130                                 }
 131                         } else if (!strcmp(line.key, "default_browser")) {
 132                                 if (!default_browser_seen) {
 133                                         set_default_browser(line.value);
 134                                         default_browser_seen = 1;
 135                                 }
 136                         } else if (!strcmp(line.key, "other_browser_cmd")) {
 137                                 if (!other_browser_cmd_seen) {
 138                                         set_other_browser_cmd(line.value);
 139                                         other_browser_cmd_seen = 1;
 140                                 }
 141                         }
 142                 }
 143                 free(line.key);
 144                 free(line.value);
 145         }
 146         parse_config_file_end();
 147
 148 out:
 149         fclose(fp);
 150         return;
 151 }
 152
 153 static void save_config(void) {
 154         FILE *fp = NULL, *tmpfp = NULL;
 155         char *homedir, *tempfile, *newfile;
 156         size_t len;
 157         int continuous_mode_seen = 0;
 158         int default_browser_seen = 0;
 159         int other_browser_cmd_seen = 0;
 160         struct swb_config_line line;
 161
 162         /* If CONFIGFILE_DIR doesn't exist already, try to create it */
 163         if (!(homedir = getenv("HOME")))
 164                 homedir = DEFAULT_HOMEDIR;
 165         len = strlen(homedir) + strlen(CONFIGFILE_DIR) + 1;
 166         if (!(newfile = calloc(len, sizeof(char))))
 167                 return;
 168         snprintf(newfile, len, "%s%s", homedir, CONFIGFILE_DIR);
 169         if (access(newfile, F_OK) == -1 && errno == ENOENT) {
 170                 mkdir(newfile, 0750);
 171         }
 172         free(newfile);
 173
 174         /* Put together the path to the new config file and the tempfile */
 175         len = strlen(homedir) + strlen(CONFIGFILE_LOC) + 1;
 176         if (!(newfile = calloc(len, sizeof(char))))
 177                 return;
 178         /* 4 = strlen(".tmp") */
 179         if (!(tempfile = calloc(len+4, sizeof(char)))) {
 180                 free(newfile);
 181                 return;
 182         }
 183         snprintf(newfile, len, "%s%s", homedir, CONFIGFILE_LOC);
 184         snprintf(tempfile, len+4, "%s%s", newfile, ".tmp");
 185
 186         /* Open the temporary file for writing */
 187         if (!(tmpfp = fopen(tempfile, "w")))
 188                 /* TODO: report the error somehow? */
 189                 goto out;
 190
 191         /* Open the old config file, if it exists */
 192         if ((fp = open_config_file()) && parse_config_file_begin()) {
 193                 /* Copy the old config file over to the new one line by line,
 194                    replacing old config values with new ones
 195                    TODO: should we handle errors differently than EOF? */
 196                 while (!parse_config_file_line(fp, &line)) {
 197                         if (line.parsed) {
 198                                 /* Is a config line, print the new value here */
 199                                 if (!strcmp(line.key, "continuous_mode")) {
 200                                         if (!continuous_mode_seen) {
 201                                                 fprintf(tmpfp, "%s = %d\n",
 202                                                         line.key,
 203                                                         get_continuous_mode());
 204                                                 continuous_mode_seen = 1;
 205                                         }
 206                                 } else if (!strcmp(line.key,
 207                                                         "default_browser")) {
 208                                         if (!default_browser_seen) {
 209                                                 fprintf(tmpfp, "%s = \"%s\"\n",
 210                                                         line.key,
 211                                                         get_default_browser());
 212                                                 default_browser_seen = 1;
 213                                         }
 214                                 } else if (!strcmp(line.key,
 215                                                         "other_browser_cmd")) {
 216                                         if (!other_browser_cmd_seen &&
 217                                             strlen(get_other_browser_cmd())>0) {
 218                                                 fprintf(tmpfp, "%s = \"%s\"\n",
 219                                                         line.key,
 220                                                         get_other_browser_cmd());
 221                                                 other_browser_cmd_seen = 1;
 222                                         }
 223                                 }
 224                         } else {
 225                                 /* Just copy the old line over */
 226                                 fprintf(tmpfp, "%s\n", line.key);
 227                         }
 228                         free(line.key);
 229                         free(line.value);
 230                 }
 231                 parse_config_file_end();
 232         }
 233
 234         /* If we haven't written them yet, write out the new config values */
 235         if (!continuous_mode_seen)
 236                 fprintf(tmpfp, "%s = %d\n",
 237                         "continuous_mode", get_continuous_mode());
 238         if (!default_browser_seen)
 239                 fprintf(tmpfp, "%s = \"%s\"\n",
 240                         "default_browser", get_default_browser());
 241         if (!other_browser_cmd_seen && strlen(get_other_browser_cmd()) > 0)
 242                 fprintf(tmpfp, "%s = \"%s\"\n",
 243                         "other_browser_cmd", get_other_browser_cmd());
 244
 245         /* Replace the old config file with the new one */
 246         fclose(tmpfp);
 247         tmpfp = NULL;
 248         rename(tempfile, newfile);
 249
 250 out:
 251         free(newfile);
 252         free(tempfile);
 253         if (tmpfp)
 254                 fclose(tmpfp);
 255         if (fp)
 256                 fclose(fp);
 257         return;
 258 }
 259
 260 static void do_reconfig(void) {
 261         save_config();
 262
 263         /* Try to send SIGHUP to any running browser-switchboard process
 264            This causes it to reread config files if in continuous_mode, and
 265            die so that the config will be reloaded on next start otherwise */
 266         system("kill -HUP `pidof browser-switchboard` > /dev/null 2>&1");
 267 }
 268
 269
 270 /**********************************************************************
 271  * Callbacks
 272  **********************************************************************/
 273
 274 static void default_browser_combo_callback(GtkWidget *widget, gpointer data) {
 275         if (!strcmp(get_default_browser(), "other")) {
 276                 gtk_widget_set_sensitive(cw.other_browser_cmd_entry, TRUE);
 277                 gtk_widget_set_sensitive(cw.other_browser_cmd_entry_label, TRUE);
 278         } else {
 279                 gtk_widget_set_sensitive(cw.other_browser_cmd_entry, FALSE);
 280                 gtk_widget_set_sensitive(cw.other_browser_cmd_entry_label, FALSE);
 281         }
 282 }
 283
 284
 285 /**********************************************************************
 286  * Interface
 287  **********************************************************************/
 288
 289 static GtkDialog *swb_config_dialog(gpointer cp_window) {
 290         GtkWidget *dialog_vbox;
 291
 292         GtkWidget *options_table;
 293         GtkWidget *default_browser_combo_label;
 294         GtkWidget *continuous_mode_label;
 295         int i;
 296
 297         dialog = gtk_dialog_new_with_buttons(
 298                 "Browser Switchboard",
 299                 GTK_WINDOW(cp_window),
 300                 GTK_DIALOG_MODAL,
 301                 GTK_STOCK_OK,
 302                 GTK_RESPONSE_OK,
 303                 GTK_STOCK_CANCEL,
 304                 GTK_RESPONSE_CANCEL,
 305                 NULL);
 306
 307         dialog_vbox = GTK_DIALOG(dialog)->vbox;
 308
 309         /* Config options */
 310         options_table = gtk_table_new(3, 2, FALSE);
 311         gtk_table_set_row_spacings(GTK_TABLE(options_table), 5);
 312         gtk_box_pack_start(GTK_BOX(dialog_vbox), options_table, FALSE, FALSE, 0);
 313
 314         cw.default_browser_combo = gtk_combo_box_new_text();
 315         for (i = 0; browsers[i].config; ++i)
 316                 gtk_combo_box_append_text(GTK_COMBO_BOX(cw.default_browser_combo),
 317                                           browsers[i].displayname);
 318         gtk_combo_box_set_active(GTK_COMBO_BOX(cw.default_browser_combo), 0);
 319         default_browser_combo_label = gtk_label_new("Default browser:");
 320         gtk_misc_set_alignment(GTK_MISC(default_browser_combo_label), 1, 0.5);
 321         g_signal_connect(G_OBJECT(cw.default_browser_combo), "changed",
 322                          G_CALLBACK(default_browser_combo_callback), NULL);
 323         gtk_table_attach(GTK_TABLE(options_table),
 324                         default_browser_combo_label,
 325                         0, 1,
 326                         0, 1,
 327                         GTK_FILL, GTK_FILL|GTK_EXPAND,
 328                         5, 0);
 329         gtk_table_attach(GTK_TABLE(options_table),
 330                         cw.default_browser_combo,
 331                         1, 2,
 332                         0, 1,
 333                         GTK_FILL|GTK_EXPAND, GTK_FILL|GTK_EXPAND,
 334                         5, 0);
 335
 336         cw.other_browser_cmd_entry = gtk_entry_new();
 337         cw.other_browser_cmd_entry_label = gtk_label_new("Command (%s for URI):");
 338         gtk_misc_set_alignment(GTK_MISC(cw.other_browser_cmd_entry_label), 1, 0.5);
 339         gtk_widget_set_sensitive(cw.other_browser_cmd_entry, FALSE);
 340         gtk_widget_set_sensitive(cw.other_browser_cmd_entry_label, FALSE);
 341         gtk_table_attach(GTK_TABLE(options_table),
 342                         cw.other_browser_cmd_entry_label,
 343                         0, 1,
 344                         1, 2,
 345                         GTK_FILL, GTK_FILL|GTK_EXPAND,
 346                         5, 0);
 347         gtk_table_attach(GTK_TABLE(options_table),
 348                         cw.other_browser_cmd_entry,
 349                         1, 2,
 350                         1, 2,
 351                         GTK_FILL|GTK_EXPAND, GTK_FILL|GTK_EXPAND,
 352                         5, 0);
 353         gtk_table_set_row_spacing(GTK_TABLE(options_table), 1, 15);
 354
 355         continuous_mode_label = gtk_label_new("Optimize Browser Switchboard for:");
 356         gtk_misc_set_alignment(GTK_MISC(continuous_mode_label), 0, 0.5);
 357         cw.continuous_mode_off_radio = gtk_radio_button_new_with_label(NULL,
 358                         "Lower memory usage");
 359         cw.continuous_mode_on_radio = gtk_radio_button_new_with_label_from_widget(
 360                         GTK_RADIO_BUTTON(cw.continuous_mode_off_radio),
 361                         "Faster browser startup time");
 362         set_continuous_mode(CONTINUOUS_MODE_DEFAULT);
 363         gtk_table_attach(GTK_TABLE(options_table),
 364                         continuous_mode_label,
 365                         0, 2,
 366                         2, 3,
 367                         GTK_FILL, GTK_FILL|GTK_EXPAND,
 368                         5, 0);
 369         gtk_table_attach(GTK_TABLE(options_table),
 370                         cw.continuous_mode_off_radio,
 371                         0, 2,
 372                         3, 4,
 373                         GTK_FILL, GTK_FILL|GTK_EXPAND,
 374                         20, 0);
 375         gtk_table_attach(GTK_TABLE(options_table),
 376                         cw.continuous_mode_on_radio,
 377                         0, 2,
 378                         4, 5,
 379                         GTK_FILL, GTK_FILL|GTK_EXPAND,
 380                         20, 5);
 381         gtk_table_set_row_spacing(GTK_TABLE(options_table), 3, 0);
 382
 383
 384         gtk_widget_show_all(dialog);
 385         return GTK_DIALOG(dialog);
 386 }
 387
 388
 389 /**********************************************************************
 390  * Entry
 391  **********************************************************************/
 392
 393 #ifdef HILDON_CP_APPLET
 394 /*
 395  * Application was started from control panel.
 396  */
 397 osso_return_t execute(osso_context_t *osso,
 398                       gpointer userdata, gboolean user_activated) {
 399         GtkDialog *dialog;
 400         gint response;
 401
 402         if (osso == NULL)
 403                 return OSSO_ERROR;
 404
 405         dialog = GTK_DIALOG(swb_config_dialog(userdata));
 406         load_config();
 407
 408         response = gtk_dialog_run(dialog);
 409         if (response == GTK_RESPONSE_OK)
 410                 do_reconfig();
 411
 412         gtk_widget_destroy(GTK_WIDGET(dialog));
 413
 414         return OSSO_OK;
 415 }
 416 #else
 417 /*
 418  * Application was started from command line.
 419  */
 420 int main(int argc, char *argv[]) {
 421         GtkDialog *dialog;
 422         gint response;
 423 #ifdef HILDON
 424         HildonProgram *program = NULL;
 425 #endif
 426
 427         gtk_init(&argc, &argv);
 428 #ifdef HILDON
 429         program = HILDON_PROGRAM(hildon_program_get_instance());
 430 #endif
 431
 432         g_set_application_name("Browser Switchboard");
 433
 434         dialog = GTK_DIALOG(swb_config_dialog(NULL));
 435         load_config();
 436
 437         response = gtk_dialog_run(dialog);
 438         if (response == GTK_RESPONSE_OK)
 439                 do_reconfig();
 440
 441         gtk_widget_destroy(GTK_WIDGET(dialog));
 442
 443         exit(0);
 444 }
 445 #endif