surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <signal.h>
   6 #include <X11/X.h>
   7 #include <X11/Xatom.h>
   8 #include <gtk/gtkx.h>
   9 #include <gtk/gtk.h>
  10 #include <gdk/gdkx.h>
  11 #include <gdk/gdk.h>
  12 #include <gdk/gdkkeysyms.h>
  13 #include <string.h>
  14 #include <sys/types.h>
  15 #include <sys/wait.h>
  16 #include <unistd.h>
  17 #include <limits.h>
  18 #include <stdlib.h>
  19 #include <stdio.h>
  20 #include <webkit2/webkit2.h>
  21 #include <glib/gstdio.h>
  22 #include <JavaScriptCore/JavaScript.h>
  23 #include <sys/file.h>
  24 #include <libgen.h>
  25 #include <stdarg.h>
  26 #include <regex.h>
  27 #include <pwd.h>
  28 #include <string.h>
  29
  30 #include "arg.h"
  31
  32 char *argv0;
  33
  34 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
  35 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  36
  37 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  38
  39 enum {
  40         OnDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  41         OnLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  42         OnImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  43         OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  44         OnEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  45         OnBar   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
  46         OnSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  47         OnAny   = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
  48 };
  49
  50 typedef union Arg Arg;
  51 union Arg {
  52         gboolean b;
  53         gint i;
  54         const void *v;
  55 };
  56
  57 typedef struct Client {
  58         GtkWidget *win;
  59         Window xid;
  60         WebKitWebView *view;
  61         WebKitWebInspector *inspector;
  62         WebKitHitTestResult *mousepos;
  63         GTlsCertificateFlags tlsflags;
  64         const char *title, *targeturi;
  65         const char *needle;
  66         gint progress;
  67         struct Client *next;
  68         gboolean zoomed, fullscreen, isinspecting;
  69 } Client;
  70
  71 typedef struct {
  72         guint mod;
  73         guint keyval;
  74         void (*func)(Client *c, const Arg *arg);
  75         const Arg arg;
  76 } Key;
  77
  78 typedef struct {
  79         unsigned int target;
  80         unsigned int mask;
  81         guint button;
  82         void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
  83         const Arg arg;
  84         unsigned int stopevent;
  85 } Button;
  86
  87 typedef struct {
  88         char *regex;
  89         char *style;
  90         regex_t re;
  91 } SiteStyle;
  92
  93 static Display *dpy;
  94 static Atom atoms[AtomLast];
  95 static Client *clients = NULL;
  96 static Window embed = 0;
  97 static gboolean showxid = FALSE;
  98 static char winid[64];
  99 static char togglestat[9];
 100 static char pagestat[3];
 101 static GTlsDatabase *tlsdb;
 102 static int cookiepolicy;
 103 static char *stylefile = NULL;
 104
 105 static void addaccelgroup(Client *c);
 106 static char *buildfile(const char *path);
 107 static char *buildpath(const char *path);
 108 static gboolean buttonreleased(GtkWidget *w, GdkEventKey *e, Client *c);
 109 static void cleanup(void);
 110 static void clipboard(Client *c, const Arg *arg);
 111
 112 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 113 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 114
 115 static char *copystr(char **str, const char *src);
 116 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
 117                 Client *c);
 118 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 119     WebKitPolicyDecisionType dt, Client *c);
 120 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
 121 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
 122 static void decideresource(WebKitPolicyDecision *d, Client *c);
 123 static void closeview(WebKitWebView *v, Client *c);
 124 static void destroyclient(Client *c);
 125 static void destroywin(GtkWidget* w, Client *c);
 126 static void die(const char *errstr, ...);
 127 static void eval(Client *c, const Arg *arg);
 128 static void find(Client *c, const Arg *arg);
 129 static void fullscreen(Client *c, const Arg *arg);
 130 static gboolean permissionrequested(WebKitWebView *v,
 131                 WebKitPermissionRequest *r, Client *c);
 132 static const char *getatom(Client *c, int a);
 133 static void gettogglestat(Client *c);
 134 static void getpagestat(Client *c);
 135 static char *geturi(Client *c);
 136 static const gchar *getstyle(const char *uri);
 137 static void setstyle(Client *c, const char *style);
 138
 139 static void handleplumb(Client *c, const gchar *uri);
 140
 141 static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
 142                 Client *c);
 143 static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
 144 static void download(Client *c, WebKitURIResponse *r);
 145
 146 static void inspector(Client *c, const Arg *arg);
 147 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 148                                     Client *c);
 149 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 150 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 151 static void inspector_finished(WebKitWebInspector *i, Client *c);
 152
 153 static gboolean keypress(GtkAccelGroup *group, GObject *obj, guint key,
 154                          GdkModifierType mods, Client *c);
 155 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
 156                 guint modifiers, Client *c);
 157 static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
 158 static void loaduri(Client *c, const Arg *arg);
 159 static void navigate(Client *c, const Arg *arg);
 160 static Client *newclient(Client *c);
 161 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 162 static void showview(WebKitWebView *v, Client *c);
 163 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 164 static GtkWidget *createwindow(Client *c);
 165 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 166 static void print(Client *c, const Arg *arg);
 167 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 168                                 gpointer d);
 169 static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
 170 static void linkopen(Client *c, const Arg *arg);
 171 static void linkopenembed(Client *c, const Arg *arg);
 172 static void reload(Client *c, const Arg *arg);
 173 static void scroll_h(Client *c, const Arg *arg);
 174 static void scroll_v(Client *c, const Arg *arg);
 175 static void scroll(GtkAdjustment *a, const Arg *arg);
 176 static void setatom(Client *c, int a, const char *v);
 177 static void setup(void);
 178 static void sigchld(int unused);
 179 static void spawn(Client *c, const Arg *arg);
 180 static void stop(Client *c, const Arg *arg);
 181 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
 182 static void titlechangeleave(void *a, void *b, Client *c);
 183 static void toggle(Client *c, const Arg *arg);
 184 static void togglecookiepolicy(Client *c, const Arg *arg);
 185 static void togglegeolocation(Client *c, const Arg *arg);
 186 static void togglescrollbars(Client *c, const Arg *arg);
 187 static void togglestyle(Client *c, const Arg *arg);
 188 static void updatetitle(Client *c);
 189 static void updatewinid(Client *c);
 190 static void usage(void);
 191 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 192                                 JSContextRef js, JSObjectRef win, Client *c);
 193 static void zoom(Client *c, const Arg *arg);
 194
 195 /* configuration, allows nested code to access above variables */
 196 #include "config.h"
 197
 198 void
 199 addaccelgroup(Client *c)
 200 {
 201         int i;
 202         GtkAccelGroup *group = gtk_accel_group_new();
 203         GClosure *closure;
 204
 205         for (i = 0; i < LENGTH(keys); i++) {
 206                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 207                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod, 0,
 208                                         closure);
 209         }
 210         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 211 }
 212
 213 char *
 214 buildfile(const char *path)
 215 {
 216         char *dname, *bname, *bpath, *fpath;
 217         FILE *f;
 218
 219         dname = g_path_get_dirname(path);
 220         bname = g_path_get_basename(path);
 221
 222         bpath = buildpath(dname);
 223         g_free(dname);
 224
 225         fpath = g_build_filename(bpath, bname, NULL);
 226         g_free(bpath);
 227         g_free(bname);
 228
 229         if (!(f = fopen(fpath, "a")))
 230                 die("Could not open file: %s\n", fpath);
 231
 232         g_chmod(fpath, 0600); /* always */
 233         fclose(f);
 234
 235         return fpath;
 236 }
 237
 238 char *
 239 buildpath(const char *path)
 240 {
 241         struct passwd *pw;
 242         char *apath, *name, *p, *fpath;
 243
 244         if (path[0] == '~') {
 245                 if (path[1] == '/' || path[1] == '\0') {
 246                         p = (char *)&path[1];
 247                         pw = getpwuid(getuid());
 248                 } else {
 249                         if ((p = strchr(path, '/')))
 250                                 name = g_strndup(&path[1], --p - path);
 251                         else
 252                                 name = g_strdup(&path[1]);
 253
 254                         if (!(pw = getpwnam(name))) {
 255                                 die("Can't get user %s home directory: %s.\n",
 256                                     name, path);
 257                         }
 258                         g_free(name);
 259                 }
 260                 apath = g_build_filename(pw->pw_dir, p, NULL);
 261         } else {
 262                 apath = g_strdup(path);
 263         }
 264
 265         /* creating directory */
 266         if (g_mkdir_with_parents(apath, 0700) < 0)
 267                 die("Could not access directory: %s\n", apath);
 268
 269         fpath = realpath(apath, NULL);
 270         g_free(apath);
 271
 272         return fpath;
 273 }
 274
 275 gboolean
 276 buttonreleased(GtkWidget *w, GdkEventKey *e, Client *c)
 277 {
 278         WebKitHitTestResultContext element;
 279         GdkEventButton *eb = (GdkEventButton*)e;
 280         int i;
 281
 282         element = webkit_hit_test_result_get_context(c->mousepos);
 283
 284         for (i = 0; i < LENGTH(buttons); ++i) {
 285                 if (element & buttons[i].target &&
 286                     eb->button == buttons[i].button &&
 287                     CLEANMASK(eb->state) == CLEANMASK(buttons[i].mask) &&
 288                     buttons[i].func) {
 289                         buttons[i].func(c, &buttons[i].arg, c->mousepos);
 290                         return buttons[i].stopevent;
 291                 }
 292         }
 293
 294         return FALSE;
 295 }
 296
 297 void
 298 cleanup(void)
 299 {
 300         while (clients)
 301                 destroyclient(clients);
 302         g_free(cookiefile);
 303         g_free(scriptfile);
 304         g_free(stylefile);
 305         g_free(cachedir);
 306 }
 307
 308 WebKitCookieAcceptPolicy
 309 cookiepolicy_get(void)
 310 {
 311         switch (cookiepolicies[cookiepolicy]) {
 312         case 'a':
 313                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 314         case '@':
 315                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 316         case 'A':
 317         default:
 318                 break;
 319         }
 320
 321         return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 322 }
 323
 324 char
 325 cookiepolicy_set(const WebKitCookieAcceptPolicy ep)
 326 {
 327         switch (ep) {
 328         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 329                 return 'a';
 330         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 331                 return '@';
 332         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 333         default:
 334                 break;
 335         }
 336
 337         return 'A';
 338 }
 339
 340 void
 341 evalscript(JSContextRef js, char *script, char* scriptname)
 342 {
 343         JSStringRef jsscript, jsscriptname;
 344         JSValueRef exception = NULL;
 345
 346         jsscript = JSStringCreateWithUTF8CString(script);
 347         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 348         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 349                          jsscriptname, 0, &exception);
 350         JSStringRelease(jsscript);
 351         JSStringRelease(jsscriptname);
 352 }
 353
 354 void
 355 runscript(WebKitWebFrame *frame)
 356 {
 357         char *script;
 358         GError *error;
 359
 360         if (g_file_get_contents(scriptfile, &script, NULL, &error)) {
 361                 evalscript(webkit_web_frame_get_global_context(frame), script,
 362                            scriptfile);
 363         }
 364 }
 365
 366 void
 367 clipboard(Client *c, const Arg *arg)
 368 {
 369         gboolean paste = *(gboolean *)arg;
 370
 371         if (paste) {
 372                 gtk_clipboard_request_text(gtk_clipboard_get(
 373                                            GDK_SELECTION_PRIMARY),
 374                                            pasteuri, c);
 375         } else {
 376                 gtk_clipboard_set_text(gtk_clipboard_get(
 377                                        GDK_SELECTION_PRIMARY), c->linkhover
 378                                        ? c->linkhover : geturi(c), -1);
 379         }
 380 }
 381
 382 char *
 383 copystr(char **str, const char *src)
 384 {
 385         char *tmp;
 386         tmp = g_strdup(src);
 387
 388         if (str && *str) {
 389                 g_free(*str);
 390                 *str = tmp;
 391         }
 392         return tmp;
 393 }
 394
 395 GtkWidget *
 396 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
 397 {
 398         Client *n;
 399
 400         switch (webkit_navigation_action_get_navigation_type(a)) {
 401         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 402                 /*
 403                  * popup windows of type “other” are almost always triggered
 404                  * by user gesture, so inverse the logic here
 405                  */
 406 /* instead of this, compare destination uri to mouse-over uri for validating window */
 407                 if (webkit_navigation_action_is_user_gesture(a)) {
 408                         return NULL;
 409                         break;
 410                 }
 411         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 412         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 413         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 414         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 415         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 416                 n = newclient(c);
 417                 break;
 418         default:
 419                 return NULL;
 420                 break;
 421         }
 422
 423         return GTK_WIDGET(n->view);
 424 }
 425
 426 gboolean
 427 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 428     WebKitPolicyDecisionType dt, Client *c)
 429 {
 430         switch (dt) {
 431         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
 432                 decidenavigation(d, c);
 433                 break;
 434         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
 435                 decidenewwindow(d, c);
 436                 break;
 437         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 438                 decideresource(d, c);
 439                 break;
 440         default:
 441                 webkit_policy_decision_ignore(d);
 442                 break;
 443         }
 444         return TRUE;
 445 }
 446
 447 void
 448 decidenavigation(WebKitPolicyDecision *d, Client *c)
 449 {
 450         WebKitNavigationAction *a;
 451
 452         a = webkit_navigation_policy_decision_get_navigation_action(
 453             WEBKIT_NAVIGATION_POLICY_DECISION(d));
 454
 455         switch (webkit_navigation_action_get_navigation_type(a)) {
 456         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 457         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 458         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 459         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 460         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 461         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 462         default:
 463                 /* Do not navigate to links with a "_blank" target (popup) */
 464                 if (webkit_navigation_policy_decision_get_frame_name(
 465                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
 466                         webkit_policy_decision_ignore(d);
 467                 } else {
 468                         /* Filter out navigation to different domain ? */
 469                         /* get action→urirequest, copy and load in new window+view
 470                          * on Ctrl+Click ? */
 471                         webkit_policy_decision_use(d);
 472                 }
 473                 break;
 474         }
 475 }
 476
 477 void
 478 decidenewwindow(WebKitPolicyDecision *d, Client *c)
 479 {
 480         WebKitNavigationAction *a;
 481         Arg arg;
 482
 483         a = webkit_navigation_policy_decision_get_navigation_action(
 484             WEBKIT_NAVIGATION_POLICY_DECISION(d));
 485
 486         switch (webkit_navigation_action_get_navigation_type(a)) {
 487         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 488         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 489         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 490         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 491         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 492                 /* Filter domains here */
 493 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
 494  * test for link clicked but no button ? */
 495                 arg.v = webkit_uri_request_get_uri(
 496                     webkit_navigation_action_get_request(a));
 497                 newwindow(c, &arg, 0);
 498                 break;
 499         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 500         default:
 501                 break;
 502         }
 503
 504         webkit_policy_decision_ignore(d);
 505 }
 506
 507 void
 508 decideresource(WebKitPolicyDecision *d, Client *c)
 509 {
 510         const gchar *uri;
 511         int i, isascii = 1;
 512         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
 513         WebKitURIResponse *res;
 514
 515         res = webkit_response_policy_decision_get_response(r);
 516         uri = webkit_uri_response_get_uri(res);
 517
 518         if (g_str_has_suffix(uri, "/favicon.ico"))
 519                 webkit_uri_request_set_uri(
 520                     webkit_response_policy_decision_get_request(r),
 521                     "about:blank");
 522
 523         if (!g_str_has_prefix(uri, "http://")
 524             && !g_str_has_prefix(uri, "https://")
 525             && !g_str_has_prefix(uri, "about:")
 526             && !g_str_has_prefix(uri, "file://")
 527             && !g_str_has_prefix(uri, "data:")
 528             && !g_str_has_prefix(uri, "blob:")
 529             && strlen(uri) > 0) {
 530                 for (i = 0; i < strlen(uri); i++) {
 531                         if (!g_ascii_isprint(uri[i])) {
 532                                 isascii = 0;
 533                                 break;
 534                         }
 535                 }
 536                 if (isascii) {
 537                         handleplumb(c, uri);
 538                         webkit_policy_decision_ignore(d);
 539                 }
 540         }
 541
 542         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
 543                 webkit_policy_decision_use(d);
 544         } else {
 545                 webkit_policy_decision_ignore(d);
 546                 download(c, res);
 547         }
 548 }
 549
 550 void
 551 destroyclient(Client *c)
 552 {
 553         Client *p;
 554
 555         webkit_web_view_stop_loading(c->view);
 556         /* Not needed, has already been called
 557         gtk_widget_destroy(c->win);
 558          */
 559
 560         for (p = clients; p && p->next != c; p = p->next)
 561                 ;
 562         if (p)
 563                 p->next = c->next;
 564         else
 565                 clients = c->next;
 566         free(c);
 567 }
 568
 569 void
 570 closeview(WebKitWebView *v, Client *c)
 571 {
 572         gtk_widget_destroy(c->win);
 573 }
 574
 575 void
 576 destroywin(GtkWidget* w, Client *c)
 577 {
 578         destroyclient(c);
 579         if (clients == NULL)
 580                 gtk_main_quit();
 581 }
 582
 583 void
 584 die(const char *errstr, ...)
 585 {
 586         va_list ap;
 587
 588         va_start(ap, errstr);
 589         vfprintf(stderr, errstr, ap);
 590         va_end(ap);
 591         exit(EXIT_FAILURE);
 592 }
 593
 594 void
 595 find(Client *c, const Arg *arg)
 596 {
 597         const char *s;
 598
 599         s = getatom(c, AtomFind);
 600         gboolean forward = *(gboolean *)arg;
 601         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 602 }
 603
 604 void
 605 fullscreen(Client *c, const Arg *arg)
 606 {
 607         if (c->fullscreen)
 608                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 609         else
 610                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 611         c->fullscreen = !c->fullscreen;
 612 }
 613
 614 gboolean
 615 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
 616 {
 617         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
 618                 if (allowgeolocation)
 619                         webkit_permission_request_allow(r);
 620                 else
 621                         webkit_permission_request_deny(r);
 622                 return TRUE;
 623         }
 624
 625         return FALSE;
 626 }
 627
 628 const char *
 629 getatom(Client *c, int a)
 630 {
 631         static char buf[BUFSIZ];
 632         Atom adummy;
 633         int idummy;
 634         unsigned long ldummy;
 635         unsigned char *p = NULL;
 636
 637         XGetWindowProperty(dpy, c->xid,
 638                            atoms[a], 0L, BUFSIZ, False, XA_STRING,
 639                            &adummy, &idummy, &ldummy, &ldummy, &p);
 640         if (p)
 641                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 642         else
 643                 buf[0] = '\0';
 644         XFree(p);
 645
 646         return buf;
 647 }
 648
 649 char *
 650 geturi(Client *c)
 651 {
 652         char *uri;
 653
 654         if (!(uri = (char *)webkit_web_view_get_uri(c->view)))
 655                 uri = "about:blank";
 656         return uri;
 657 }
 658
 659 const gchar *
 660 getstyle(const char *uri)
 661 {
 662         int i;
 663
 664         if (stylefile != NULL)
 665                 return stylefile;
 666
 667         for (i = 0; i < LENGTH(styles); i++) {
 668                 if (styles[i].regex && !regexec(&(styles[i].re), uri, 0,
 669                     NULL, 0))
 670                         return styles[i].style;
 671         }
 672
 673         return "";
 674 }
 675
 676 void
 677 setstyle(Client *c, const char *style)
 678 {
 679         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
 680
 681         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", style, NULL);
 682 }
 683
 684 void
 685 handleplumb(Client *c, const gchar *uri)
 686 {
 687         Arg arg;
 688
 689         arg = (Arg)PLUMB(uri);
 690         spawn(c, &arg);
 691 }
 692
 693 void
 694 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
 695 {
 696         g_signal_connect(G_OBJECT(d), "notify::response",
 697             G_CALLBACK(responsereceived), c);
 698 }
 699
 700 void
 701 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
 702 {
 703         download(c, webkit_download_get_response(d));
 704         webkit_download_cancel(d);
 705 }
 706
 707 void
 708 download(Client *c, WebKitURIResponse *r)
 709 {
 710         Arg a;
 711
 712         a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
 713         spawn(c, &a);
 714 }
 715
 716 void
 717 inspector(Client *c, const Arg *arg)
 718 {
 719         if (enableinspector) {
 720                 if (c->isinspecting)
 721                         webkit_web_inspector_close(c->inspector);
 722                 else
 723                         webkit_web_inspector_show(c->inspector);
 724         }
 725 }
 726
 727 WebKitWebView *
 728 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c)
 729 {
 730         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 731 }
 732
 733 gboolean
 734 inspector_show(WebKitWebInspector *i, Client *c)
 735 {
 736         WebKitWebView *w;
 737
 738         if (c->isinspecting)
 739                 return false;
 740
 741         w = webkit_web_inspector_get_web_view(i);
 742         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 743         gtk_widget_show(GTK_WIDGET(w));
 744         c->isinspecting = true;
 745
 746         return true;
 747 }
 748
 749 gboolean
 750 inspector_close(WebKitWebInspector *i, Client *c)
 751 {
 752         GtkWidget *w;
 753
 754         if (!c->isinspecting)
 755                 return false;
 756
 757         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 758         gtk_widget_hide(w);
 759         gtk_widget_destroy(w);
 760         c->isinspecting = false;
 761
 762         return true;
 763 }
 764
 765 void
 766 inspector_finished(WebKitWebInspector *i, Client *c)
 767 {
 768         g_free(c->inspector);
 769 }
 770
 771 gboolean
 772 keypress(GtkAccelGroup *group, GObject *obj, guint key, GdkModifierType mods,
 773          Client *c)
 774 {
 775         guint i;
 776         gboolean processed = FALSE;
 777
 778         mods = CLEANMASK(mods);
 779         key = gdk_keyval_to_lower(key);
 780         updatewinid(c);
 781         for (i = 0; i < LENGTH(keys); i++) {
 782                 if (key == keys[i].keyval
 783                     && mods == keys[i].mod
 784                     && keys[i].func) {
 785                         keys[i].func(c, &(keys[i].arg));
 786                         processed = TRUE;
 787                 }
 788         }
 789
 790         return processed;
 791 }
 792
 793 void
 794 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
 795     Client *c)
 796 {
 797         WebKitHitTestResultContext hc;
 798
 799         /* Keep the hit test to know where is the pointer on the next click */
 800         c->mousepos = h;
 801
 802         hc = webkit_hit_test_result_get_context(h);
 803
 804         if (hc & OnLink)
 805                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
 806         else if (hc & OnImg)
 807                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
 808         else if (hc & OnMedia)
 809                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
 810         else
 811                 c->targeturi = NULL;
 812         updatetitle(c);
 813 }
 814
 815 void
 816 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
 817 {
 818         switch (e) {
 819         case WEBKIT_LOAD_STARTED:
 820                 c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 821                 break;
 822         case WEBKIT_LOAD_REDIRECTED:
 823                 setatom(c, AtomUri, geturi(c));
 824                 break;
 825         case WEBKIT_LOAD_COMMITTED:
 826                 if (!webkit_web_view_get_tls_info(c->view, NULL, &(c->tlsflags)))
 827                         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 828
 829                 setatom(c, AtomUri, geturi(c));
 830
 831                 if (enablestyle)
 832                         setstyle(c, getstyle(geturi(c)));
 833                 break;
 834         case WEBKIT_LOAD_FINISHED:
 835                 /* Disabled until we write some WebKitWebExtension for
 836                  * manipulating the DOM directly.
 837                 evalscript(c, "document.documentElement.style.overflow = '%s'",
 838                     enablescrollbars ? "auto" : "hidden");
 839                 */
 840                 runscript(c);
 841                 break;
 842         }
 843         updatetitle(c);
 844 }
 845
 846 void
 847 loaduri(Client *c, const Arg *arg)
 848 {
 849         char *u = NULL, *rp;
 850         const char *uri = (char *)arg->v;
 851         Arg a = { .b = FALSE };
 852         struct stat st;
 853
 854         if (strcmp(uri, "") == 0)
 855                 return;
 856
 857         /* In case it's a file path. */
 858         if (stat(uri, &st) == 0) {
 859                 rp = realpath(uri, NULL);
 860                 u = g_strdup_printf("file://%s", rp);
 861                 free(rp);
 862         } else {
 863                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 864                     : g_strdup_printf("http://%s", uri);
 865         }
 866
 867         setatom(c, AtomUri, uri);
 868
 869         /* prevents endless loop */
 870         if (strcmp(u, geturi(c)) == 0) {
 871                 reload(c, &a);
 872         } else {
 873                 webkit_web_view_load_uri(c->view, u);
 874                 c->progress = 0;
 875                 c->title = copystr(&c->title, u);
 876                 updatetitle(c);
 877         }
 878         g_free(u);
 879 }
 880
 881 void
 882 navigate(Client *c, const Arg *arg)
 883 {
 884         int steps = *(int *)arg;
 885         webkit_web_view_go_back_or_forward(c->view, steps);
 886 }
 887
 888 Client *
 889 newclient(Client *rc)
 890 {
 891         Client *c;
 892         gdouble dpi;
 893
 894         if (!(c = calloc(1, sizeof(Client))))
 895                 die("Cannot malloc!\n");
 896
 897         c->title = NULL;
 898         c->progress = 100;
 899
 900         c->next = clients;
 901         clients = c;
 902
 903         c->view = newview(c, rc ? rc->view : NULL);
 904         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 905
 906         return c;
 907 }
 908
 909 WebKitWebView *
 910 newview(Client *c, WebKitWebView *rv)
 911 {
 912         WebKitWebView *v;
 913         WebKitSettings *settings;
 914         WebKitUserContentManager *contentmanager;
 915         WebKitWebContext *context;
 916         char *ua;
 917
 918         /* Webview */
 919         if (rv) {
 920                 v = WEBKIT_WEB_VIEW(
 921                     webkit_web_view_new_with_related_view(rv));
 922         } else {
 923                 settings = webkit_settings_new_with_settings(
 924                     "auto-load-images", loadimages,
 925                     "default-font-size", defaultfontsize,
 926                     "enable-caret-browsing", enablecaretbrowsing,
 927                     "enable-developer-extras", enableinspector,
 928                     "enable-dns-prefetching", enablednsprefetching,
 929                     "enable-frame-flattening", enableframeflattening,
 930                     "enable-html5-database", enablecache,
 931                     "enable-html5-local-storage", enablecache,
 932                     "enable-javascript", enablescripts,
 933                     "enable-plugins", enableplugins,
 934                     NULL);
 935                 if (!(ua = getenv("SURF_USERAGENT")))
 936                         ua = useragent;
 937                 webkit_settings_set_user_agent(settings, ua);
 938                 /* Have a look at http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html
 939                  * for more interesting settings */
 940
 941                 contentmanager = webkit_user_content_manager_new();
 942
 943                 context = webkit_web_context_new_with_website_data_manager(
 944                     webkit_website_data_manager_new(
 945                     "base-cache-directory", cachedir,
 946                     "base-data-directory", cachedir,
 947                     NULL));
 948
 949                 /* rendering process model, can be a shared unique one or one for each
 950                  * view */
 951                 webkit_web_context_set_process_model(context,
 952                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
 953                 /* ssl */
 954                 webkit_web_context_set_tls_errors_policy(context, strictssl ?
 955                     WEBKIT_TLS_ERRORS_POLICY_FAIL : WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 956                 /* disk cache */
 957                 webkit_web_context_set_cache_model(context, enablecache ?
 958                     WEBKIT_CACHE_MODEL_WEB_BROWSER : WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 959
 960                 /* Currently only works with text file to be compatible with curl */
 961                 webkit_cookie_manager_set_persistent_storage(
 962                     webkit_web_context_get_cookie_manager(context), cookiefile,
 963                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
 964                 /* cookie policy */
 965                 webkit_cookie_manager_set_accept_policy(
 966                     webkit_web_context_get_cookie_manager(context),
 967                     cookiepolicy_get());
 968
 969                 g_signal_connect(G_OBJECT(context), "download-started",
 970                     G_CALLBACK(downloadstarted), c);
 971
 972                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
 973                     "settings", settings,
 974                     "user-content-manager", contentmanager,
 975                     "web-context", context,
 976                     NULL);
 977         }
 978
 979         g_signal_connect(G_OBJECT(v),
 980                          "notify::title",
 981                          G_CALLBACK(titlechanged), c);
 982         g_signal_connect(G_OBJECT(v),
 983                          "mouse-target-changed",
 984                          G_CALLBACK(mousetargetchanged), c);
 985         g_signal_connect(G_OBJECT(v),
 986                          "permission-request",
 987                          G_CALLBACK(permissionrequested), c);
 988         g_signal_connect(G_OBJECT(v),
 989                          "create",
 990                          G_CALLBACK(createview), c);
 991         g_signal_connect(G_OBJECT(v), "ready-to-show",
 992                          G_CALLBACK(showview), c);
 993         g_signal_connect(G_OBJECT(v),
 994                          "decide-policy",
 995                          G_CALLBACK(decidepolicy), c);
 996         g_signal_connect(G_OBJECT(v),
 997                          "window-object-cleared",
 998                          G_CALLBACK(windowobjectcleared), c);
 999         g_signal_connect(G_OBJECT(v),
1000                          "load-changed",
1001                          G_CALLBACK(loadchanged), c);
1002         g_signal_connect(G_OBJECT(v),
1003                          "notify::estimated-load-progress",
1004                          G_CALLBACK(progresschanged), c);
1005         g_signal_connect(G_OBJECT(v),
1006                          "button-release-event",
1007                          G_CALLBACK(buttonreleased), c);
1008         g_signal_connect(G_OBJECT(v), "close",
1009                         G_CALLBACK(closeview), c);
1010
1011         return v;
1012 }
1013
1014 void
1015 showview(WebKitWebView *v, Client *c)
1016 {
1017         GdkGeometry hints = { 1, 1 };
1018         GdkRGBA bgcolor = { 0 };
1019         GdkWindow *gwin;
1020
1021         c->win = createwindow(c);
1022
1023         if (!kioskmode)
1024                 addaccelgroup(c);
1025
1026         /* Arranging */
1027         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1028
1029         /* Setup */
1030         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1031         gtk_widget_show(GTK_WIDGET(c->view));
1032         gtk_widget_show(c->win);
1033         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1034         c->xid = gdk_x11_window_get_xid(gwin);
1035         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
1036                                       GDK_HINT_MIN_SIZE);
1037         gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1038         gdk_window_add_filter(gwin, processx, c);
1039
1040         runscript(frame);
1041
1042         /* This might conflict with _zoomto96dpi_. */
1043         if (zoomlevel != 1.0)
1044                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
1045
1046         if (runinfullscreen)
1047                 fullscreen(c, NULL);
1048
1049         setatom(c, AtomFind, "");
1050         setatom(c, AtomUri, "about:blank");
1051         if (hidebackground)
1052                 webkit_web_view_set_background_color(c->view, &bgcolor);
1053
1054         if (showxid) {
1055                 gdk_display_sync(gtk_widget_get_display(c->win));
1056                 printf("%lu\n", c->xid);
1057                 fflush(NULL);
1058                 if (fclose(stdout) != 0) {
1059                         die("Error closing stdout");
1060                 }
1061         }
1062 }
1063
1064 void
1065 newwindow(Client *c, const Arg *arg, gboolean noembed)
1066 {
1067         guint i = 0;
1068         const char *cmd[18], *uri;
1069         const Arg a = { .v = (void *)cmd };
1070         char tmp[64];
1071
1072         cmd[i++] = argv0;
1073         cmd[i++] = "-a";
1074         cmd[i++] = cookiepolicies;
1075         if (!enablescrollbars)
1076                 cmd[i++] = "-b";
1077         if (embed && !noembed) {
1078                 cmd[i++] = "-e";
1079                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1080                 cmd[i++] = tmp;
1081         }
1082         if (!allowgeolocation)
1083                 cmd[i++] = "-g";
1084         if (!loadimages)
1085                 cmd[i++] = "-i";
1086         if (kioskmode)
1087                 cmd[i++] = "-k";
1088         if (!enableplugins)
1089                 cmd[i++] = "-p";
1090         if (!enablescripts)
1091                 cmd[i++] = "-s";
1092         if (showxid)
1093                 cmd[i++] = "-x";
1094         if (enablediskcache)
1095                 cmd[i++] = "-D";
1096         cmd[i++] = "-c";
1097         cmd[i++] = cookiefile;
1098         cmd[i++] = "--";
1099         uri = arg->v ? (char *)arg->v : c->linkhover;
1100         if (uri)
1101                 cmd[i++] = uri;
1102         cmd[i++] = NULL;
1103         spawn(NULL, &a);
1104 }
1105
1106 GtkWidget *
1107 createwindow(Client *c)
1108 {
1109         GtkWidget *w;
1110
1111         if (embed) {
1112                 w = gtk_plug_new(embed);
1113         } else {
1114                 w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1115
1116                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
1117                  * is always correct, so we should still call this function.
1118                  * But when doing so, we *must* differentiate between a
1119                  * WM_CLASS and a resource on the window.  By convention, the
1120                  * window class (WM_CLASS) is capped, while the resource is in
1121                  * lowercase.   Both these values come as a pair.
1122                  */
1123                 gtk_window_set_wmclass(GTK_WINDOW(w), "surf", "Surf");
1124
1125                 /* TA:  20091214:  And set the role here as well -- so that
1126                  * sessions can pick this up.
1127                  */
1128                 gtk_window_set_role(GTK_WINDOW(w), "Surf");
1129
1130                 gtk_window_set_default_size(GTK_WINDOW(w), 800, 600);
1131         }
1132
1133         g_signal_connect(G_OBJECT(w), "destroy",
1134             G_CALLBACK(destroywin), c);
1135         g_signal_connect(G_OBJECT(w), "leave_notify_event",
1136             G_CALLBACK(titlechangeleave), c);
1137
1138         return w;
1139 }
1140
1141 void
1142 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1143 {
1144         Arg arg = {.v = text };
1145         if (text != NULL)
1146                 loaduri((Client *) d, &arg);
1147 }
1148
1149 void
1150 print(Client *c, const Arg *arg)
1151 {
1152         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
1153 }
1154
1155 GdkFilterReturn
1156 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1157 {
1158         Client *c = (Client *)d;
1159         XPropertyEvent *ev;
1160         Arg arg;
1161
1162         if (((XEvent *)e)->type == PropertyNotify) {
1163                 ev = &((XEvent *)e)->xproperty;
1164                 if (ev->state == PropertyNewValue) {
1165                         if (ev->atom == atoms[AtomFind]) {
1166                                 arg.b = TRUE;
1167                                 find(c, &arg);
1168
1169                                 return GDK_FILTER_REMOVE;
1170                         } else if (ev->atom == atoms[AtomGo]) {
1171                                 arg.v = getatom(c, AtomGo);
1172                                 loaduri(c, &arg);
1173
1174                                 return GDK_FILTER_REMOVE;
1175                         }
1176                 }
1177         }
1178         return GDK_FILTER_CONTINUE;
1179 }
1180
1181 void
1182 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1183 {
1184         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1185             100;
1186         updatetitle(c);
1187 }
1188
1189 void
1190 linkopen(Client *c, const Arg *arg)
1191 {
1192         newwindow(NULL, arg, 1);
1193 }
1194
1195 void
1196 linkopenembed(Client *c, const Arg *arg)
1197 {
1198         newwindow(NULL, arg, 0);
1199 }
1200
1201 void
1202 reload(Client *c, const Arg *arg)
1203 {
1204         gboolean nocache = *(gboolean *)arg;
1205         if (nocache)
1206                 webkit_web_view_reload_bypass_cache(c->view);
1207         else
1208                 webkit_web_view_reload(c->view);
1209 }
1210
1211 void
1212 scroll_h(Client *c, const Arg *arg)
1213 {
1214         scroll(gtk_scrolled_window_get_hadjustment(
1215                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1216 }
1217
1218 void
1219 scroll_v(Client *c, const Arg *arg)
1220 {
1221         scroll(gtk_scrolled_window_get_vadjustment(
1222                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1223 }
1224
1225 void
1226 scroll(GtkAdjustment *a, const Arg *arg)
1227 {
1228         gdouble v;
1229
1230         v = gtk_adjustment_get_value(a);
1231         switch (arg->i) {
1232         case +10000:
1233         case -10000:
1234                 v += gtk_adjustment_get_page_increment(a) * (arg->i / 10000);
1235                 break;
1236         case +20000:
1237         case -20000:
1238         default:
1239                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1240         }
1241
1242         v = MAX(v, 0.0);
1243         v = MIN(v, gtk_adjustment_get_upper(a) -
1244                 gtk_adjustment_get_page_size(a));
1245         gtk_adjustment_set_value(a, v);
1246 }
1247
1248 void
1249 setatom(Client *c, int a, const char *v)
1250 {
1251         XSync(dpy, False);
1252         XChangeProperty(dpy, c->xid,
1253                         atoms[a], XA_STRING, 8, PropModeReplace,
1254                         (unsigned char *)v, strlen(v) + 1);
1255 }
1256
1257 void
1258 setup(void)
1259 {
1260         int i;
1261         char *styledirfile, *stylepath;
1262         WebKitWebContext *context;
1263         GError *error = NULL;
1264
1265         /* clean up any zombies immediately */
1266         sigchld(0);
1267         gtk_init(NULL, NULL);
1268
1269         dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
1270
1271         /* atoms */
1272         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1273         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1274         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1275
1276         /* dirs and files */
1277         cookiefile = buildfile(cookiefile);
1278         scriptfile = buildfile(scriptfile);
1279         cachedir   = buildpath(cachedir);
1280         if (stylefile == NULL) {
1281                 styledir = buildpath(styledir);
1282                 for (i = 0; i < LENGTH(styles); i++) {
1283                         if (regcomp(&(styles[i].re), styles[i].regex,
1284                             REG_EXTENDED)) {
1285                                 fprintf(stderr,
1286                                         "Could not compile regex: %s\n",
1287                                         styles[i].regex);
1288                                 styles[i].regex = NULL;
1289                         }
1290                         styledirfile    = g_strconcat(styledir, "/",
1291                                                       styles[i].style, NULL);
1292                         stylepath       = buildfile(styledirfile);
1293                         styles[i].style = g_strconcat("file://", stylepath,
1294                                                       NULL);
1295                         g_free(styledirfile);
1296                         g_free(stylepath);
1297                 }
1298                 g_free(styledir);
1299         } else {
1300                 stylepath = buildfile(stylefile);
1301                 stylefile = g_strconcat("file://", stylepath, NULL);
1302                 g_free(stylepath);
1303         }
1304 }
1305
1306 void
1307 sigchld(int unused)
1308 {
1309         if (signal(SIGCHLD, sigchld) == SIG_ERR)
1310                 die("Can't install SIGCHLD handler");
1311         while (0 < waitpid(-1, NULL, WNOHANG));
1312 }
1313
1314 void
1315 spawn(Client *c, const Arg *arg)
1316 {
1317         if (fork() == 0) {
1318                 if (dpy)
1319                         close(ConnectionNumber(dpy));
1320                 setsid();
1321                 execvp(((char **)arg->v)[0], (char **)arg->v);
1322                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1323                 perror(" failed");
1324                 exit(0);
1325         }
1326 }
1327
1328 void
1329 eval(Client *c, const Arg *arg)
1330 {
1331         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1332         evalscript(webkit_web_frame_get_global_context(frame),
1333                    ((char **)arg->v)[0], "");
1334 }
1335
1336 void
1337 stop(Client *c, const Arg *arg)
1338 {
1339         webkit_web_view_stop_loading(c->view);
1340 }
1341
1342 void
1343 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1344 {
1345         c->title = webkit_web_view_get_title(c->view);
1346         updatetitle(c);
1347 }
1348
1349 void
1350 titlechangeleave(void *a, void *b, Client *c)
1351 {
1352         c->linkhover = NULL;
1353         updatetitle(c);
1354 }
1355
1356 void
1357 toggle(Client *c, const Arg *arg)
1358 {
1359         WebKitWebSettings *settings;
1360         char *name = (char *)arg->v;
1361         gboolean value;
1362         Arg a = { .b = FALSE };
1363
1364         settings = webkit_web_view_get_settings(c->view);
1365         g_object_get(G_OBJECT(settings), name, &value, NULL);
1366         g_object_set(G_OBJECT(settings), name, !value, NULL);
1367
1368         reload(c, &a);
1369 }
1370
1371 void
1372 togglecookiepolicy(Client *c, const Arg *arg)
1373 {
1374         ++cookiepolicy;
1375         cookiepolicy %= strlen(cookiepolicies);
1376
1377         webkit_cookie_manager_set_accept_policy(
1378             webkit_web_context_get_cookie_manager(
1379             webkit_web_view_get_context(c->view)),
1380             cookiepolicy_get());
1381
1382         updatetitle(c);
1383         /* Do not reload. */
1384 }
1385
1386 void
1387 togglegeolocation(Client *c, const Arg *arg)
1388 {
1389         Arg a = { .b = FALSE };
1390
1391         allowgeolocation ^= 1;
1392         reload(c, &a);
1393 }
1394
1395 void
1396 twitch(Client *c, const Arg *arg)
1397 {
1398         GtkAdjustment *a;
1399         gdouble v;
1400
1401         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(
1402                                                 c->scroll));
1403
1404         v = gtk_adjustment_get_value(a);
1405
1406         v += arg->i;
1407
1408         v = MAX(v, 0.0);
1409         v = MIN(v, gtk_adjustment_get_upper(a) -
1410                 gtk_adjustment_get_page_size(a));
1411         gtk_adjustment_set_value(a, v);
1412 }
1413
1414 void
1415 togglescrollbars(Client *c, const Arg *arg)
1416 {
1417         GtkPolicyType vspolicy;
1418         Arg a;
1419
1420         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL,
1421                                        &vspolicy);
1422
1423         if (vspolicy == GTK_POLICY_AUTOMATIC) {
1424                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1425                                                GTK_POLICY_NEVER,
1426                                                GTK_POLICY_NEVER);
1427         } else {
1428                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1429                                                GTK_POLICY_AUTOMATIC,
1430                                                GTK_POLICY_AUTOMATIC);
1431                 a.i = +1;
1432                 twitch(c, &a);
1433                 a.i = -1;
1434                 twitch(c, &a);
1435         }
1436 }
1437
1438 void
1439 togglestyle(Client *c, const Arg *arg)
1440 {
1441         enablestyle = !enablestyle;
1442         setstyle(c, enablestyle ? getstyle(geturi(c)) : "");
1443
1444         updatetitle(c);
1445 }
1446
1447 void
1448 gettogglestat(Client *c)
1449 {
1450         gboolean value;
1451         int p = 0;
1452         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1453
1454         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1455
1456         g_object_get(G_OBJECT(settings), "enable-caret-browsing", &value,
1457                      NULL);
1458         togglestat[p++] = value? 'C': 'c';
1459
1460         togglestat[p++] = allowgeolocation? 'G': 'g';
1461
1462         togglestat[p++] = enablediskcache? 'D': 'd';
1463
1464         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1465         togglestat[p++] = value? 'I': 'i';
1466
1467         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1468         togglestat[p++] = value? 'S': 's';
1469
1470         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1471         togglestat[p++] = value? 'V': 'v';
1472
1473         togglestat[p++] = enablestyle ? 'M': 'm';
1474
1475         togglestat[p] = '\0';
1476 }
1477
1478 void
1479 getpagestat(Client *c)
1480 {
1481         const char *uri = geturi(c);
1482
1483         pagestats[0] = c->tlsflags > G_TLS_CERTIFICATE_VALIDATE_ALL ? '-' :
1484             c->tlsflags > 0 ? 'U' : 'T';
1485         pagestat[1] = '\0';
1486 }
1487
1488 void
1489 updatetitle(Client *c)
1490 {
1491         char *t;
1492
1493         if (showindicators) {
1494                 gettogglestat(c);
1495                 getpagestat(c);
1496
1497                 if (c->linkhover) {
1498                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1499                                             c->linkhover);
1500                 } else if (c->progress != 100) {
1501                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1502                                             togglestat, pagestat,
1503                                             c->title == NULL ? "" : c->title);
1504                 } else {
1505                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1506                                             c->title == NULL ? "" : c->title);
1507                 }
1508
1509                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1510                 g_free(t);
1511         } else {
1512                 gtk_window_set_title(GTK_WINDOW(c->win), (c->title == NULL) ?
1513                                      "" : c->title);
1514         }
1515 }
1516
1517 void
1518 updatewinid(Client *c)
1519 {
1520         snprintf(winid, LENGTH(winid), "%lu", c->xid);
1521 }
1522
1523 void
1524 usage(void)
1525 {
1526         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
1527             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
1528             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
1529 }
1530
1531 void
1532 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1533                     JSObjectRef win, Client *c)
1534 {
1535         runscript(frame);
1536 }
1537
1538 void
1539 zoom(Client *c, const Arg *arg)
1540 {
1541         c->zoomed = TRUE;
1542         if (arg->i < 0) {
1543                 /* zoom out */
1544                 webkit_web_view_zoom_out(c->view);
1545         } else if (arg->i > 0) {
1546                 /* zoom in */
1547                 webkit_web_view_zoom_in(c->view);
1548         } else {
1549                 /* reset */
1550                 c->zoomed = FALSE;
1551                 webkit_web_view_set_zoom_level(c->view, 1.0);
1552         }
1553 }
1554
1555 int
1556 main(int argc, char *argv[])
1557 {
1558         Arg arg;
1559         Client *c;
1560
1561         memset(&arg, 0, sizeof(arg));
1562
1563         /* command line args */
1564         ARGBEGIN {
1565         case 'a':
1566                 cookiepolicies = EARGF(usage());
1567                 break;
1568         case 'b':
1569                 enablescrollbars = 0;
1570                 break;
1571         case 'B':
1572                 enablescrollbars = 1;
1573                 break;
1574         case 'c':
1575                 cookiefile = EARGF(usage());
1576                 break;
1577         case 'd':
1578                 enablediskcache = 0;
1579                 break;
1580         case 'D':
1581                 enablediskcache = 1;
1582                 break;
1583         case 'e':
1584                 embed = strtol(EARGF(usage()), NULL, 0);
1585                 break;
1586         case 'f':
1587                 runinfullscreen = 0;
1588                 break;
1589         case 'F':
1590                 runinfullscreen = 1;
1591                 break;
1592         case 'g':
1593                 allowgeolocation = 0;
1594                 break;
1595         case 'G':
1596                 allowgeolocation = 1;
1597                 break;
1598         case 'i':
1599                 loadimages = 0;
1600                 break;
1601         case 'I':
1602                 loadimages = 1;
1603                 break;
1604         case 'k':
1605                 kioskmode = 0;
1606                 break;
1607         case 'K':
1608                 kioskmode = 1;
1609                 break;
1610         case 'm':
1611                 enablestyle = 0;
1612                 break;
1613         case 'M':
1614                 enablestyle = 1;
1615                 break;
1616         case 'n':
1617                 enableinspector = 0;
1618                 break;
1619         case 'N':
1620                 enableinspector = 1;
1621                 break;
1622         case 'p':
1623                 enableplugins = 0;
1624                 break;
1625         case 'P':
1626                 enableplugins = 1;
1627                 break;
1628         case 'r':
1629                 scriptfile = EARGF(usage());
1630                 break;
1631         case 's':
1632                 enablescripts = 0;
1633                 break;
1634         case 'S':
1635                 enablescripts = 1;
1636                 break;
1637         case 't':
1638                 stylefile = EARGF(usage());
1639                 break;
1640         case 'u':
1641                 useragent = EARGF(usage());
1642                 break;
1643         case 'v':
1644                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1645                     "see LICENSE for details\n");
1646         case 'x':
1647                 showxid = TRUE;
1648                 break;
1649         case 'z':
1650                 zoomlevel = strtof(EARGF(usage()), NULL);
1651                 break;
1652         default:
1653                 usage();
1654         } ARGEND;
1655         if (argc > 0)
1656                 arg.v = argv[0];
1657
1658         setup();
1659         c = newclient(NULL);
1660         showview(NULL, c);
1661         if (arg.v)
1662                 loaduri(clients, &arg);
1663         else
1664                 updatetitle(c);
1665
1666         gtk_main();
1667         cleanup();
1668
1669         return EXIT_SUCCESS;
1670 }
1671