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 enum {
  39         ClkDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  40         ClkLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  41         ClkImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  42         ClkMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  43         ClkSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  44         ClkEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  45         ClkAny   = ClkDoc | ClkLink | ClkImg | ClkMedia | ClkSel | ClkEdit,
  46 };
  47
  48 typedef union Arg Arg;
  49 union Arg {
  50         gboolean b;
  51         gint i;
  52         const void *v;
  53 };
  54
  55 typedef struct Client {
  56         GtkWidget *win, *scroll, *vbox, *pane;
  57         Window xid;
  58         WebKitWebView *view;
  59         WebKitWebInspector *inspector;
  60         char *title, *linkhover;
  61         const char *needle;
  62         gint progress;
  63         struct Client *next;
  64         gboolean zoomed, fullscreen, isinspecting, sslfailed;
  65 } Client;
  66
  67 typedef struct {
  68         guint mod;
  69         guint keyval;
  70         void (*func)(Client *c, const Arg *arg);
  71         const Arg arg;
  72 } Key;
  73
  74 typedef struct {
  75         unsigned int click;
  76         unsigned int mask;
  77         guint button;
  78         void (*func)(Client *c, const Arg *arg);
  79         const Arg arg;
  80 } Button;
  81
  82 typedef struct {
  83         char *regex;
  84         char *style;
  85         regex_t re;
  86 } SiteStyle;
  87
  88 static Display *dpy;
  89 static Atom atoms[AtomLast];
  90 static Client *clients = NULL;
  91 static Window embed = 0;
  92 static gboolean showxid = FALSE;
  93 static char winid[64];
  94 static char togglestat[9];
  95 static char pagestat[3];
  96 static GTlsDatabase *tlsdb;
  97 static int cookiepolicy;
  98 static char *stylefile = NULL;
  99 static SoupCache *diskcache = NULL;
 100
 101 static void addaccelgroup(Client *c);
 102 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
 103                           WebKitWebResource *r, WebKitNetworkRequest *req,
 104                           WebKitNetworkResponse *resp, Client *c);
 105 static char *buildfile(const char *path);
 106 static char *buildpath(const char *path);
 107 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c);
 108 static void cleanup(void);
 109 static void clipboard(Client *c, const Arg *arg);
 110
 111 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 112 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 113
 114 static char *copystr(char **str, const char *src);
 115 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f,
 116                                    Client *c);
 117 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f,
 118                                WebKitNetworkRequest *r, gchar *m,
 119                                WebKitWebPolicyDecision *p, Client *c);
 120 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f,
 121                              WebKitNetworkRequest *r, WebKitWebNavigationAction
 122                              *n, WebKitWebPolicyDecision *p, Client *c);
 123 static gboolean deletion_interface(WebKitWebView *view,
 124                                    WebKitDOMHTMLElement *arg1, Client *c);
 125 static void destroyclient(Client *c);
 126 static void destroywin(GtkWidget* w, Client *c);
 127 static void die(const char *errstr, ...);
 128 static void eval(Client *c, const Arg *arg);
 129 static void find(Client *c, const Arg *arg);
 130 static void fullscreen(Client *c, const Arg *arg);
 131 static void geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 132                                WebKitGeolocationPolicyDecision *d, Client *c);
 133 static const char *getatom(Client *c, int a);
 134 static void gettogglestat(Client *c);
 135 static void getpagestat(Client *c);
 136 static char *geturi(Client *c);
 137 static const gchar *getstyle(const char *uri);
 138 static void setstyle(Client *c, const char *style);
 139
 140 static void handleplumb(Client *c, WebKitWebView *w, const gchar *uri);
 141
 142 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
 143
 144 static void inspector(Client *c, const Arg *arg);
 145 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 146                                     Client *c);
 147 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 148 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 149 static void inspector_finished(WebKitWebInspector *i, Client *c);
 150
 151 static gboolean keypress(GtkAccelGroup *group, GObject *obj, guint key,
 152                          GdkModifierType mods, Client *c);
 153 static void linkhover(WebKitWebView *v, const char* t, const char* l,
 154                       Client *c);
 155 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
 156                              Client *c);
 157 static void loaduri(Client *c, const Arg *arg);
 158 static void navigate(Client *c, const Arg *arg);
 159 static Client *newclient(void);
 160 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 161 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 162 static gboolean contextmenu(WebKitWebView *view, GtkWidget *menu,
 163                             WebKitHitTestResult *target, gboolean keyboard,
 164                             Client *c);
 165 static void menuactivate(GtkMenuItem *item, Client *c);
 166 static void print(Client *c, const Arg *arg);
 167 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 168                                 gpointer d);
 169 static void progresschange(WebKitWebView *view, GParamSpec *pspec, 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 titlechange(WebKitWebView *view, GParamSpec *pspec, 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 void
 214 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 215               WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 216               Client *c)
 217 {
 218         const gchar *uri = webkit_network_request_get_uri(req);
 219         int i, isascii = 1;
 220
 221         if (g_str_has_suffix(uri, "/favicon.ico"))
 222                 webkit_network_request_set_uri(req, "about:blank");
 223
 224         if (!g_str_has_prefix(uri, "http://")
 225             && !g_str_has_prefix(uri, "https://")
 226             && !g_str_has_prefix(uri, "about:")
 227             && !g_str_has_prefix(uri, "file://")
 228             && !g_str_has_prefix(uri, "data:")
 229             && !g_str_has_prefix(uri, "blob:")
 230             && strlen(uri) > 0) {
 231                 for (i = 0; i < strlen(uri); i++) {
 232                         if (!g_ascii_isprint(uri[i])) {
 233                                 isascii = 0;
 234                                 break;
 235                         }
 236                 }
 237                 if (isascii)
 238                         handleplumb(c, w, uri);
 239         }
 240 }
 241
 242 char *
 243 buildfile(const char *path)
 244 {
 245         char *dname, *bname, *bpath, *fpath;
 246         FILE *f;
 247
 248         dname = g_path_get_dirname(path);
 249         bname = g_path_get_basename(path);
 250
 251         bpath = buildpath(dname);
 252         g_free(dname);
 253
 254         fpath = g_build_filename(bpath, bname, NULL);
 255         g_free(bpath);
 256         g_free(bname);
 257
 258         if (!(f = fopen(fpath, "a")))
 259                 die("Could not open file: %s\n", fpath);
 260
 261         g_chmod(fpath, 0600); /* always */
 262         fclose(f);
 263
 264         return fpath;
 265 }
 266
 267 char *
 268 buildpath(const char *path)
 269 {
 270         struct passwd *pw;
 271         char *apath, *name, *p, *fpath;
 272
 273         if (path[0] == '~') {
 274                 if (path[1] == '/' || path[1] == '\0') {
 275                         p = (char *)&path[1];
 276                         pw = getpwuid(getuid());
 277                 } else {
 278                         if ((p = strchr(path, '/')))
 279                                 name = g_strndup(&path[1], --p - path);
 280                         else
 281                                 name = g_strdup(&path[1]);
 282
 283                         if (!(pw = getpwnam(name))) {
 284                                 die("Can't get user %s home directory: %s.\n",
 285                                     name, path);
 286                         }
 287                         g_free(name);
 288                 }
 289                 apath = g_build_filename(pw->pw_dir, p, NULL);
 290         } else {
 291                 apath = g_strdup(path);
 292         }
 293
 294         /* creating directory */
 295         if (g_mkdir_with_parents(apath, 0700) < 0)
 296                 die("Could not access directory: %s\n", apath);
 297
 298         fpath = realpath(apath, NULL);
 299         g_free(apath);
 300
 301         return fpath;
 302 }
 303
 304 gboolean
 305 buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c)
 306 {
 307         WebKitHitTestResultContext context;
 308         WebKitHitTestResult *result;
 309         Arg arg;
 310         unsigned int i;
 311
 312         result = webkit_web_view_get_hit_test_result(web, e);
 313         g_object_get(result, "context", &context, NULL);
 314         g_object_get(result, "link-uri", &arg.v, NULL);
 315         for (i = 0; i < LENGTH(buttons); i++) {
 316                 if (context & buttons[i].click
 317                     && e->button == buttons[i].button
 318                     && CLEANMASK(e->state) == CLEANMASK(buttons[i].mask)
 319                     && buttons[i].func) {
 320                         buttons[i].func(c, buttons[i].click == ClkLink
 321                             && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
 322                         return true;
 323                 }
 324         }
 325         return false;
 326 }
 327
 328 void
 329 cleanup(void)
 330 {
 331         if (diskcache) {
 332                 soup_cache_flush(diskcache);
 333                 soup_cache_dump(diskcache);
 334         }
 335         while (clients)
 336                 destroyclient(clients);
 337         g_free(cookiefile);
 338         g_free(scriptfile);
 339         g_free(stylefile);
 340 }
 341
 342 WebKitCookieAcceptPolicy
 343 cookiepolicy_get(void)
 344 {
 345         switch (cookiepolicies[cookiepolicy]) {
 346         case 'a':
 347                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 348         case '@':
 349                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 350         case 'A':
 351         default:
 352                 break;
 353         }
 354
 355         return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 356 }
 357
 358 char
 359 cookiepolicy_set(const WebKitCookieAcceptPolicy ep)
 360 {
 361         switch (ep) {
 362         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 363                 return 'a';
 364         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 365                 return '@';
 366         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 367         default:
 368                 break;
 369         }
 370
 371         return 'A';
 372 }
 373
 374 void
 375 evalscript(JSContextRef js, char *script, char* scriptname)
 376 {
 377         JSStringRef jsscript, jsscriptname;
 378         JSValueRef exception = NULL;
 379
 380         jsscript = JSStringCreateWithUTF8CString(script);
 381         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 382         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 383                          jsscriptname, 0, &exception);
 384         JSStringRelease(jsscript);
 385         JSStringRelease(jsscriptname);
 386 }
 387
 388 void
 389 runscript(WebKitWebFrame *frame)
 390 {
 391         char *script;
 392         GError *error;
 393
 394         if (g_file_get_contents(scriptfile, &script, NULL, &error)) {
 395                 evalscript(webkit_web_frame_get_global_context(frame), script,
 396                            scriptfile);
 397         }
 398 }
 399
 400 void
 401 clipboard(Client *c, const Arg *arg)
 402 {
 403         gboolean paste = *(gboolean *)arg;
 404
 405         if (paste) {
 406                 gtk_clipboard_request_text(gtk_clipboard_get(
 407                                            GDK_SELECTION_PRIMARY),
 408                                            pasteuri, c);
 409         } else {
 410                 gtk_clipboard_set_text(gtk_clipboard_get(
 411                                        GDK_SELECTION_PRIMARY), c->linkhover
 412                                        ? c->linkhover : geturi(c), -1);
 413         }
 414 }
 415
 416 char *
 417 copystr(char **str, const char *src)
 418 {
 419         char *tmp;
 420         tmp = g_strdup(src);
 421
 422         if (str && *str) {
 423                 g_free(*str);
 424                 *str = tmp;
 425         }
 426         return tmp;
 427 }
 428
 429 WebKitWebView *
 430 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c)
 431 {
 432         Client *n = newclient();
 433         return n->view;
 434 }
 435
 436 gboolean
 437 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r,
 438                gchar *m,  WebKitWebPolicyDecision *p, Client *c)
 439 {
 440         if (!webkit_web_view_can_show_mime_type(v, m)) {
 441                 webkit_web_policy_decision_download(p);
 442                 return TRUE;
 443         }
 444         return FALSE;
 445 }
 446
 447 gboolean
 448 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r,
 449              WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p,
 450              Client *c)
 451 {
 452         Arg arg;
 453
 454         if (webkit_web_navigation_action_get_reason(n)
 455             == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 456                 webkit_web_policy_decision_ignore(p);
 457                 arg.v = (void *)webkit_network_request_get_uri(r);
 458                 newwindow(NULL, &arg, 0);
 459                 return TRUE;
 460         }
 461         return FALSE;
 462 }
 463
 464 gboolean
 465 deletion_interface(WebKitWebView *view, WebKitDOMHTMLElement *arg1, Client *c)
 466 {
 467         return FALSE;
 468 }
 469
 470 void
 471 destroyclient(Client *c)
 472 {
 473         Client *p;
 474
 475         webkit_web_view_stop_loading(c->view);
 476         gtk_widget_destroy(GTK_WIDGET(c->view));
 477         gtk_widget_destroy(c->scroll);
 478         gtk_widget_destroy(c->vbox);
 479         gtk_widget_destroy(c->win);
 480
 481         for (p = clients; p && p->next != c; p = p->next)
 482                 ;
 483         if (p)
 484                 p->next = c->next;
 485         else
 486                 clients = c->next;
 487         free(c);
 488         if (clients == NULL)
 489                 gtk_main_quit();
 490 }
 491
 492 void
 493 destroywin(GtkWidget* w, Client *c)
 494 {
 495         destroyclient(c);
 496 }
 497
 498 void
 499 die(const char *errstr, ...)
 500 {
 501         va_list ap;
 502
 503         va_start(ap, errstr);
 504         vfprintf(stderr, errstr, ap);
 505         va_end(ap);
 506         exit(EXIT_FAILURE);
 507 }
 508
 509 void
 510 find(Client *c, const Arg *arg)
 511 {
 512         const char *s;
 513
 514         s = getatom(c, AtomFind);
 515         gboolean forward = *(gboolean *)arg;
 516         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 517 }
 518
 519 void
 520 fullscreen(Client *c, const Arg *arg)
 521 {
 522         if (c->fullscreen)
 523                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 524         else
 525                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 526         c->fullscreen = !c->fullscreen;
 527 }
 528
 529 void
 530 geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 531                    WebKitGeolocationPolicyDecision *d, Client *c)
 532 {
 533         if (allowgeolocation)
 534                 webkit_geolocation_policy_allow(d);
 535         else
 536                 webkit_geolocation_policy_deny(d);
 537 }
 538
 539 const char *
 540 getatom(Client *c, int a)
 541 {
 542         static char buf[BUFSIZ];
 543         Atom adummy;
 544         int idummy;
 545         unsigned long ldummy;
 546         unsigned char *p = NULL;
 547
 548         XGetWindowProperty(dpy, c->xid,
 549                            atoms[a], 0L, BUFSIZ, False, XA_STRING,
 550                            &adummy, &idummy, &ldummy, &ldummy, &p);
 551         if (p)
 552                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 553         else
 554                 buf[0] = '\0';
 555         XFree(p);
 556
 557         return buf;
 558 }
 559
 560 char *
 561 geturi(Client *c)
 562 {
 563         char *uri;
 564
 565         if (!(uri = (char *)webkit_web_view_get_uri(c->view)))
 566                 uri = "about:blank";
 567         return uri;
 568 }
 569
 570 const gchar *
 571 getstyle(const char *uri)
 572 {
 573         int i;
 574
 575         if (stylefile != NULL)
 576                 return stylefile;
 577
 578         for (i = 0; i < LENGTH(styles); i++) {
 579                 if (styles[i].regex && !regexec(&(styles[i].re), uri, 0,
 580                     NULL, 0))
 581                         return styles[i].style;
 582         }
 583
 584         return "";
 585 }
 586
 587 void
 588 setstyle(Client *c, const char *style)
 589 {
 590         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
 591
 592         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", style, NULL);
 593 }
 594
 595 void
 596 handleplumb(Client *c, WebKitWebView *w, const gchar *uri)
 597 {
 598         Arg arg;
 599
 600         webkit_web_view_stop_loading(w);
 601         arg = (Arg)PLUMB((char *)uri);
 602         spawn(c, &arg);
 603 }
 604
 605 gboolean
 606 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c)
 607 {
 608         Arg arg;
 609
 610         updatewinid(c);
 611         arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
 612         spawn(c, &arg);
 613         return FALSE;
 614 }
 615
 616 void
 617 inspector(Client *c, const Arg *arg)
 618 {
 619         if (enableinspector) {
 620                 if (c->isinspecting)
 621                         webkit_web_inspector_close(c->inspector);
 622                 else
 623                         webkit_web_inspector_show(c->inspector);
 624         }
 625 }
 626
 627 WebKitWebView *
 628 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c)
 629 {
 630         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 631 }
 632
 633 gboolean
 634 inspector_show(WebKitWebInspector *i, Client *c)
 635 {
 636         WebKitWebView *w;
 637
 638         if (c->isinspecting)
 639                 return false;
 640
 641         w = webkit_web_inspector_get_web_view(i);
 642         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 643         gtk_widget_show(GTK_WIDGET(w));
 644         c->isinspecting = true;
 645
 646         return true;
 647 }
 648
 649 gboolean
 650 inspector_close(WebKitWebInspector *i, Client *c)
 651 {
 652         GtkWidget *w;
 653
 654         if (!c->isinspecting)
 655                 return false;
 656
 657         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 658         gtk_widget_hide(w);
 659         gtk_widget_destroy(w);
 660         c->isinspecting = false;
 661
 662         return true;
 663 }
 664
 665 void
 666 inspector_finished(WebKitWebInspector *i, Client *c)
 667 {
 668         g_free(c->inspector);
 669 }
 670
 671 gboolean
 672 keypress(GtkAccelGroup *group, GObject *obj, guint key, GdkModifierType mods,
 673          Client *c)
 674 {
 675         guint i;
 676         gboolean processed = FALSE;
 677
 678         mods = CLEANMASK(mods);
 679         key = gdk_keyval_to_lower(key);
 680         updatewinid(c);
 681         for (i = 0; i < LENGTH(keys); i++) {
 682                 if (key == keys[i].keyval
 683                     && mods == keys[i].mod
 684                     && keys[i].func) {
 685                         keys[i].func(c, &(keys[i].arg));
 686                         processed = TRUE;
 687                 }
 688         }
 689
 690         return processed;
 691 }
 692
 693 void
 694 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c)
 695 {
 696         if (l) {
 697                 c->linkhover = copystr(&c->linkhover, l);
 698         } else if (c->linkhover) {
 699                 free(c->linkhover);
 700                 c->linkhover = NULL;
 701         }
 702         updatetitle(c);
 703 }
 704
 705 void
 706 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c)
 707 {
 708         WebKitWebFrame *frame;
 709         WebKitWebDataSource *src;
 710         WebKitNetworkRequest *request;
 711         SoupMessage *msg;
 712         char *uri;
 713
 714         switch (webkit_web_view_get_load_status (c->view)) {
 715         case WEBKIT_LOAD_COMMITTED:
 716                 uri = geturi(c);
 717                 if (strstr(uri, "https://") == uri) {
 718                         frame = webkit_web_view_get_main_frame(c->view);
 719                         src = webkit_web_frame_get_data_source(frame);
 720                         request = webkit_web_data_source_get_request(src);
 721                         msg = webkit_network_request_get_message(request);
 722                         c->sslfailed = !(soup_message_get_flags(msg)
 723                                        & SOUP_MESSAGE_CERTIFICATE_TRUSTED);
 724                 }
 725                 setatom(c, AtomUri, uri);
 726
 727                 if (enablestyle)
 728                         setstyle(c, getstyle(uri));
 729                 break;
 730         case WEBKIT_LOAD_FINISHED:
 731                 c->progress = 100;
 732                 updatetitle(c);
 733                 if (diskcache) {
 734                         soup_cache_flush(diskcache);
 735                         soup_cache_dump(diskcache);
 736                 }
 737                 break;
 738         default:
 739                 break;
 740         }
 741 }
 742
 743 void
 744 loaduri(Client *c, const Arg *arg)
 745 {
 746         char *u = NULL, *rp;
 747         const char *uri = (char *)arg->v;
 748         Arg a = { .b = FALSE };
 749         struct stat st;
 750
 751         if (strcmp(uri, "") == 0)
 752                 return;
 753
 754         /* In case it's a file path. */
 755         if (stat(uri, &st) == 0) {
 756                 rp = realpath(uri, NULL);
 757                 u = g_strdup_printf("file://%s", rp);
 758                 free(rp);
 759         } else {
 760                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 761                     : g_strdup_printf("http://%s", uri);
 762         }
 763
 764         setatom(c, AtomUri, uri);
 765
 766         /* prevents endless loop */
 767         if (strcmp(u, geturi(c)) == 0) {
 768                 reload(c, &a);
 769         } else {
 770                 webkit_web_view_load_uri(c->view, u);
 771                 c->progress = 0;
 772                 c->title = copystr(&c->title, u);
 773                 updatetitle(c);
 774         }
 775         g_free(u);
 776 }
 777
 778 void
 779 navigate(Client *c, const Arg *arg)
 780 {
 781         int steps = *(int *)arg;
 782         webkit_web_view_go_back_or_forward(c->view, steps);
 783 }
 784
 785 Client *
 786 newclient(void)
 787 {
 788         Client *c;
 789         WebKitWebSettings *settings;
 790         WebKitWebFrame *frame;
 791         GdkGeometry hints = { 1, 1 };
 792         GdkScreen *screen;
 793         GdkWindow *gwin;
 794         gdouble dpi;
 795         char *ua;
 796
 797         if (!(c = calloc(1, sizeof(Client))))
 798                 die("Cannot malloc!\n");
 799
 800         c->title = NULL;
 801         c->progress = 100;
 802
 803         /* Window */
 804         if (embed) {
 805                 c->win = gtk_plug_new(embed);
 806         } else {
 807                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 808
 809                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
 810                  * is always correct, so we should still call this function.
 811                  * But when doing so, we *must* differentiate between a
 812                  * WM_CLASS and a resource on the window.  By convention, the
 813                  * window class (WM_CLASS) is capped, while the resource is in
 814                  * lowercase.   Both these values come as a pair.
 815                  */
 816                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
 817
 818                 /* TA:  20091214:  And set the role here as well -- so that
 819                  * sessions can pick this up.
 820                  */
 821                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
 822         }
 823         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 824         g_signal_connect(G_OBJECT(c->win),
 825                          "destroy",
 826                          G_CALLBACK(destroywin), c);
 827         g_signal_connect(G_OBJECT(c->win),
 828                          "leave_notify_event",
 829                          G_CALLBACK(titlechangeleave), c);
 830
 831         if (!kioskmode)
 832                 addaccelgroup(c);
 833
 834         /* Pane */
 835         c->pane = gtk_paned_new(GTK_ORIENTATION_VERTICAL);
 836
 837         /* VBox */
 838         c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 839         gtk_paned_pack1(GTK_PANED(c->pane), c->vbox, TRUE, TRUE);
 840
 841         /* Webview */
 842         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 843
 844         g_signal_connect(G_OBJECT(c->view),
 845                          "notify::title",
 846                          G_CALLBACK(titlechange), c);
 847         g_signal_connect(G_OBJECT(c->view),
 848                          "hovering-over-link",
 849                          G_CALLBACK(linkhover), c);
 850         g_signal_connect(G_OBJECT(c->view),
 851                          "geolocation-policy-decision-requested",
 852                          G_CALLBACK(geopolicyrequested), c);
 853         g_signal_connect(G_OBJECT(c->view),
 854                          "create-web-view",
 855                          G_CALLBACK(createwindow), c);
 856         g_signal_connect(G_OBJECT(c->view),
 857                          "new-window-policy-decision-requested",
 858                          G_CALLBACK(decidewindow), c);
 859         g_signal_connect(G_OBJECT(c->view),
 860                          "mime-type-policy-decision-requested",
 861                          G_CALLBACK(decidedownload), c);
 862         g_signal_connect(G_OBJECT(c->view),
 863                          "window-object-cleared",
 864                          G_CALLBACK(windowobjectcleared), c);
 865         g_signal_connect(G_OBJECT(c->view),
 866                          "notify::load-status",
 867                          G_CALLBACK(loadstatuschange), c);
 868         g_signal_connect(G_OBJECT(c->view),
 869                          "notify::progress",
 870                          G_CALLBACK(progresschange), c);
 871         g_signal_connect(G_OBJECT(c->view),
 872                          "download-requested",
 873                          G_CALLBACK(initdownload), c);
 874         g_signal_connect(G_OBJECT(c->view),
 875                          "button-release-event",
 876                          G_CALLBACK(buttonrelease), c);
 877         g_signal_connect(G_OBJECT(c->view),
 878                          "context-menu",
 879                          G_CALLBACK(contextmenu), c);
 880         g_signal_connect(G_OBJECT(c->view),
 881                          "resource-request-starting",
 882                          G_CALLBACK(beforerequest), c);
 883         g_signal_connect(G_OBJECT(c->view),
 884                          "should-show-delete-interface-for-element",
 885                          G_CALLBACK(deletion_interface), c);
 886
 887         /* Scrolled Window */
 888         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 889
 890         frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(c->view));
 891         g_signal_connect(G_OBJECT(frame), "scrollbars-policy-changed",
 892                          G_CALLBACK(gtk_true), NULL);
 893
 894         if (!enablescrollbars) {
 895                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 896                                                GTK_POLICY_NEVER,
 897                                                GTK_POLICY_NEVER);
 898         } else {
 899                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 900                                                GTK_POLICY_AUTOMATIC,
 901                                                GTK_POLICY_AUTOMATIC);
 902         }
 903
 904         /* Arranging */
 905         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 906         gtk_container_add(GTK_CONTAINER(c->win), c->pane);
 907         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 908
 909         /* Setup */
 910         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0,
 911                                   GTK_PACK_START);
 912         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 913         gtk_widget_show(c->pane);
 914         gtk_widget_show(c->vbox);
 915         gtk_widget_show(c->scroll);
 916         gtk_widget_show(GTK_WIDGET(c->view));
 917         gtk_widget_show(c->win);
 918         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
 919         c->xid = gdk_x11_window_get_xid(gwin);
 920         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
 921                                       GDK_HINT_MIN_SIZE);
 922         gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
 923         gdk_window_add_filter(gwin, processx, c);
 924         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 925
 926         runscript(frame);
 927
 928         settings = webkit_web_view_get_settings(c->view);
 929         if (!(ua = getenv("SURF_USERAGENT")))
 930                 ua = useragent;
 931         g_object_set(G_OBJECT(settings), "user-agent", ua, NULL);
 932         g_object_set(G_OBJECT(settings),
 933                      "auto-load-images", loadimages, NULL);
 934         g_object_set(G_OBJECT(settings),
 935                      "enable-plugins", enableplugins, NULL);
 936         g_object_set(G_OBJECT(settings),
 937                      "enable-scripts", enablescripts, NULL);
 938         g_object_set(G_OBJECT(settings),
 939                      "enable-spatial-navigation", enablespatialbrowsing, NULL);
 940         g_object_set(G_OBJECT(settings),
 941                      "enable-developer-extras", enableinspector, NULL);
 942         g_object_set(G_OBJECT(settings),
 943                      "enable-default-context-menu", kioskmode ^ 1, NULL);
 944         g_object_set(G_OBJECT(settings),
 945                      "default-font-size", defaultfontsize, NULL);
 946         g_object_set(G_OBJECT(settings),
 947                      "resizable-text-areas", 1, NULL);
 948         if (enablestyle)
 949                 setstyle(c, getstyle("about:blank"));
 950
 951         /*
 952          * While stupid, CSS specifies that a pixel represents 1/96 of an inch.
 953          * This ensures websites are not unusably small with a high DPI screen.
 954          * It is equivalent to firefox's "layout.css.devPixelsPerPx" setting.
 955          */
 956         if (zoomto96dpi) {
 957                 screen = gdk_window_get_screen(gwin);
 958                 dpi = gdk_screen_get_resolution(screen);
 959                 if (dpi != -1) {
 960                         g_object_set(G_OBJECT(settings),
 961                                      "enforce-96-dpi", true, NULL);
 962                         webkit_web_view_set_zoom_level(c->view, dpi/96);
 963                 }
 964         }
 965         /* This might conflict with _zoomto96dpi_. */
 966         if (zoomlevel != 1.0)
 967                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
 968
 969         if (enableinspector) {
 970                 c->inspector = webkit_web_view_get_inspector(c->view);
 971                 g_signal_connect(G_OBJECT(c->inspector), "inspect-web-view",
 972                                  G_CALLBACK(inspector_new), c);
 973                 g_signal_connect(G_OBJECT(c->inspector), "show-window",
 974                                  G_CALLBACK(inspector_show), c);
 975                 g_signal_connect(G_OBJECT(c->inspector), "close-window",
 976                                  G_CALLBACK(inspector_close), c);
 977                 g_signal_connect(G_OBJECT(c->inspector), "finished",
 978                                  G_CALLBACK(inspector_finished), c);
 979                 c->isinspecting = false;
 980         }
 981
 982         if (runinfullscreen)
 983                 fullscreen(c, NULL);
 984
 985         setatom(c, AtomFind, "");
 986         setatom(c, AtomUri, "about:blank");
 987         if (hidebackground)
 988                 webkit_web_view_set_transparent(c->view, TRUE);
 989
 990         c->next = clients;
 991         clients = c;
 992
 993         if (showxid) {
 994                 gdk_display_sync(gtk_widget_get_display(c->win));
 995                 printf("%lu\n", c->xid);
 996                 fflush(NULL);
 997                 if (fclose(stdout) != 0) {
 998                         die("Error closing stdout");
 999                 }
1000         }
1001
1002         return c;
1003 }
1004
1005 void
1006 newwindow(Client *c, const Arg *arg, gboolean noembed)
1007 {
1008         guint i = 0;
1009         const char *cmd[18], *uri;
1010         const Arg a = { .v = (void *)cmd };
1011         char tmp[64];
1012
1013         cmd[i++] = argv0;
1014         cmd[i++] = "-a";
1015         cmd[i++] = cookiepolicies;
1016         if (!enablescrollbars)
1017                 cmd[i++] = "-b";
1018         if (embed && !noembed) {
1019                 cmd[i++] = "-e";
1020                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1021                 cmd[i++] = tmp;
1022         }
1023         if (!allowgeolocation)
1024                 cmd[i++] = "-g";
1025         if (!loadimages)
1026                 cmd[i++] = "-i";
1027         if (kioskmode)
1028                 cmd[i++] = "-k";
1029         if (!enableplugins)
1030                 cmd[i++] = "-p";
1031         if (!enablescripts)
1032                 cmd[i++] = "-s";
1033         if (showxid)
1034                 cmd[i++] = "-x";
1035         if (enablediskcache)
1036                 cmd[i++] = "-D";
1037         cmd[i++] = "-c";
1038         cmd[i++] = cookiefile;
1039         cmd[i++] = "--";
1040         uri = arg->v ? (char *)arg->v : c->linkhover;
1041         if (uri)
1042                 cmd[i++] = uri;
1043         cmd[i++] = NULL;
1044         spawn(NULL, &a);
1045 }
1046
1047 gboolean
1048 contextmenu(WebKitWebView *view, GtkWidget *menu, WebKitHitTestResult *target,
1049             gboolean keyboard, Client *c)
1050 {
1051         GList *items = gtk_container_get_children(GTK_CONTAINER(GTK_MENU(menu)));
1052
1053         for (GList *l = items; l; l = l->next)
1054                 g_signal_connect(l->data, "activate", G_CALLBACK(menuactivate), c);
1055
1056         g_list_free(items);
1057         return FALSE;
1058 }
1059
1060 void
1061 menuactivate(GtkMenuItem *item, Client *c)
1062 {
1063         /*
1064          * context-menu-action-2000 open link
1065          * context-menu-action-1    open link in window
1066          * context-menu-action-2    download linked file
1067          * context-menu-action-3    copy link location
1068          * context-menu-action-7    copy image address
1069          * context-menu-action-13   reload
1070          * context-menu-action-10   back
1071          * context-menu-action-11   forward
1072          * context-menu-action-12   stop
1073          */
1074
1075         const gchar *name, *uri;
1076         GtkClipboard *prisel, *clpbrd;
1077
1078         name = gtk_actionable_get_action_name(GTK_ACTIONABLE(item));
1079         if (name == NULL)
1080                 return;
1081
1082         if (!g_strcmp0(name, "context-menu-action-3")) {
1083                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1084                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
1085         } else if (!g_strcmp0(name, "context-menu-action-7")) {
1086                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1087                 clpbrd = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1088                 uri = gtk_clipboard_wait_for_text(clpbrd);
1089                 if (uri)
1090                         gtk_clipboard_set_text(prisel, uri, -1);
1091         }
1092 }
1093
1094 void
1095 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1096 {
1097         Arg arg = {.v = text };
1098         if (text != NULL)
1099                 loaduri((Client *) d, &arg);
1100 }
1101
1102 void
1103 print(Client *c, const Arg *arg)
1104 {
1105         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
1106 }
1107
1108 GdkFilterReturn
1109 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1110 {
1111         Client *c = (Client *)d;
1112         XPropertyEvent *ev;
1113         Arg arg;
1114
1115         if (((XEvent *)e)->type == PropertyNotify) {
1116                 ev = &((XEvent *)e)->xproperty;
1117                 if (ev->state == PropertyNewValue) {
1118                         if (ev->atom == atoms[AtomFind]) {
1119                                 arg.b = TRUE;
1120                                 find(c, &arg);
1121
1122                                 return GDK_FILTER_REMOVE;
1123                         } else if (ev->atom == atoms[AtomGo]) {
1124                                 arg.v = getatom(c, AtomGo);
1125                                 loaduri(c, &arg);
1126
1127                                 return GDK_FILTER_REMOVE;
1128                         }
1129                 }
1130         }
1131         return GDK_FILTER_CONTINUE;
1132 }
1133
1134 void
1135 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c)
1136 {
1137         c->progress = webkit_web_view_get_progress(c->view) * 100;
1138         updatetitle(c);
1139 }
1140
1141 void
1142 linkopen(Client *c, const Arg *arg)
1143 {
1144         newwindow(NULL, arg, 1);
1145 }
1146
1147 void
1148 linkopenembed(Client *c, const Arg *arg)
1149 {
1150         newwindow(NULL, arg, 0);
1151 }
1152
1153 void
1154 reload(Client *c, const Arg *arg)
1155 {
1156         gboolean nocache = *(gboolean *)arg;
1157         if (nocache)
1158                 webkit_web_view_reload_bypass_cache(c->view);
1159         else
1160                 webkit_web_view_reload(c->view);
1161 }
1162
1163 void
1164 scroll_h(Client *c, const Arg *arg)
1165 {
1166         scroll(gtk_scrolled_window_get_hadjustment(
1167                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1168 }
1169
1170 void
1171 scroll_v(Client *c, const Arg *arg)
1172 {
1173         scroll(gtk_scrolled_window_get_vadjustment(
1174                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1175 }
1176
1177 void
1178 scroll(GtkAdjustment *a, const Arg *arg)
1179 {
1180         gdouble v;
1181
1182         v = gtk_adjustment_get_value(a);
1183         switch (arg->i) {
1184         case +10000:
1185         case -10000:
1186                 v += gtk_adjustment_get_page_increment(a) * (arg->i / 10000);
1187                 break;
1188         case +20000:
1189         case -20000:
1190         default:
1191                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1192         }
1193
1194         v = MAX(v, 0.0);
1195         v = MIN(v, gtk_adjustment_get_upper(a) -
1196                 gtk_adjustment_get_page_size(a));
1197         gtk_adjustment_set_value(a, v);
1198 }
1199
1200 void
1201 setatom(Client *c, int a, const char *v)
1202 {
1203         XSync(dpy, False);
1204         XChangeProperty(dpy, c->xid,
1205                         atoms[a], XA_STRING, 8, PropModeReplace,
1206                         (unsigned char *)v, strlen(v) + 1);
1207 }
1208
1209 void
1210 setup(void)
1211 {
1212         int i;
1213         char *styledirfile, *stylepath;
1214         SoupSession *s;
1215         WebKitWebContext *context;
1216         GError *error = NULL;
1217
1218         /* clean up any zombies immediately */
1219         sigchld(0);
1220         gtk_init(NULL, NULL);
1221
1222         dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
1223
1224         /* atoms */
1225         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1226         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1227         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1228
1229         /* dirs and files */
1230         cookiefile = buildfile(cookiefile);
1231         scriptfile = buildfile(scriptfile);
1232         cachefolder = buildpath(cachefolder);
1233         if (stylefile == NULL) {
1234                 styledir = buildpath(styledir);
1235                 for (i = 0; i < LENGTH(styles); i++) {
1236                         if (regcomp(&(styles[i].re), styles[i].regex,
1237                             REG_EXTENDED)) {
1238                                 fprintf(stderr,
1239                                         "Could not compile regex: %s\n",
1240                                         styles[i].regex);
1241                                 styles[i].regex = NULL;
1242                         }
1243                         styledirfile    = g_strconcat(styledir, "/",
1244                                                       styles[i].style, NULL);
1245                         stylepath       = buildfile(styledirfile);
1246                         styles[i].style = g_strconcat("file://", stylepath,
1247                                                       NULL);
1248                         g_free(styledirfile);
1249                         g_free(stylepath);
1250                 }
1251                 g_free(styledir);
1252         } else {
1253                 stylepath = buildfile(stylefile);
1254                 stylefile = g_strconcat("file://", stylepath, NULL);
1255                 g_free(stylepath);
1256         }
1257
1258         /* request handler */
1259         s = webkit_get_default_session();
1260
1261         /* cookie policy */
1262         webkit_cookie_manager_set_persistent_storage(
1263             webkit_web_context_get_cookie_manager(context), cookiefile,
1264             WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
1265         webkit_cookie_manager_set_accept_policy(
1266             webkit_web_context_get_cookie_manager(context),
1267             cookiepolicy_get());
1268
1269         /* disk cache */
1270         if (enablediskcache) {
1271                 diskcache = soup_cache_new(cachefolder,
1272                                            SOUP_CACHE_SINGLE_USER);
1273                 soup_cache_set_max_size(diskcache, diskcachebytes);
1274                 soup_cache_load(diskcache);
1275                 soup_session_add_feature(s, SOUP_SESSION_FEATURE(diskcache));
1276         }
1277
1278         /* ssl */
1279         tlsdb = g_tls_file_database_new(cafile, &error);
1280
1281         if (error) {
1282                 g_warning("Error loading SSL database %s: %s", cafile,
1283                           error->message);
1284                 g_error_free(error);
1285         }
1286         g_object_set(G_OBJECT(s), "tls-database", tlsdb, NULL);
1287         g_object_set(G_OBJECT(s), "ssl-strict", strictssl, NULL);
1288 }
1289
1290 void
1291 sigchld(int unused)
1292 {
1293         if (signal(SIGCHLD, sigchld) == SIG_ERR)
1294                 die("Can't install SIGCHLD handler");
1295         while (0 < waitpid(-1, NULL, WNOHANG));
1296 }
1297
1298 void
1299 spawn(Client *c, const Arg *arg)
1300 {
1301         if (fork() == 0) {
1302                 if (dpy)
1303                         close(ConnectionNumber(dpy));
1304                 setsid();
1305                 execvp(((char **)arg->v)[0], (char **)arg->v);
1306                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1307                 perror(" failed");
1308                 exit(0);
1309         }
1310 }
1311
1312 void
1313 eval(Client *c, const Arg *arg)
1314 {
1315         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1316         evalscript(webkit_web_frame_get_global_context(frame),
1317                    ((char **)arg->v)[0], "");
1318 }
1319
1320 void
1321 stop(Client *c, const Arg *arg)
1322 {
1323         webkit_web_view_stop_loading(c->view);
1324 }
1325
1326 void
1327 titlechange(WebKitWebView *view, GParamSpec *pspec, Client *c)
1328 {
1329         const gchar *t = webkit_web_view_get_title(view);
1330         if (t) {
1331                 c->title = copystr(&c->title, t);
1332                 updatetitle(c);
1333         }
1334 }
1335
1336 void
1337 titlechangeleave(void *a, void *b, Client *c)
1338 {
1339         c->linkhover = NULL;
1340         updatetitle(c);
1341 }
1342
1343 void
1344 toggle(Client *c, const Arg *arg)
1345 {
1346         WebKitWebSettings *settings;
1347         char *name = (char *)arg->v;
1348         gboolean value;
1349         Arg a = { .b = FALSE };
1350
1351         settings = webkit_web_view_get_settings(c->view);
1352         g_object_get(G_OBJECT(settings), name, &value, NULL);
1353         g_object_set(G_OBJECT(settings), name, !value, NULL);
1354
1355         reload(c, &a);
1356 }
1357
1358 void
1359 togglecookiepolicy(Client *c, const Arg *arg)
1360 {
1361         ++cookiepolicy;
1362         cookiepolicy %= strlen(cookiepolicies);
1363
1364         webkit_cookie_manager_set_accept_policy(
1365             webkit_web_context_get_cookie_manager(
1366             webkit_web_view_get_context(c->view)),
1367             cookiepolicy_get());
1368
1369         updatetitle(c);
1370         /* Do not reload. */
1371 }
1372
1373 void
1374 togglegeolocation(Client *c, const Arg *arg)
1375 {
1376         Arg a = { .b = FALSE };
1377
1378         allowgeolocation ^= 1;
1379         reload(c, &a);
1380 }
1381
1382 void
1383 twitch(Client *c, const Arg *arg)
1384 {
1385         GtkAdjustment *a;
1386         gdouble v;
1387
1388         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(
1389                                                 c->scroll));
1390
1391         v = gtk_adjustment_get_value(a);
1392
1393         v += arg->i;
1394
1395         v = MAX(v, 0.0);
1396         v = MIN(v, gtk_adjustment_get_upper(a) -
1397                 gtk_adjustment_get_page_size(a));
1398         gtk_adjustment_set_value(a, v);
1399 }
1400
1401 void
1402 togglescrollbars(Client *c, const Arg *arg)
1403 {
1404         GtkPolicyType vspolicy;
1405         Arg a;
1406
1407         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL,
1408                                        &vspolicy);
1409
1410         if (vspolicy == GTK_POLICY_AUTOMATIC) {
1411                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1412                                                GTK_POLICY_NEVER,
1413                                                GTK_POLICY_NEVER);
1414         } else {
1415                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1416                                                GTK_POLICY_AUTOMATIC,
1417                                                GTK_POLICY_AUTOMATIC);
1418                 a.i = +1;
1419                 twitch(c, &a);
1420                 a.i = -1;
1421                 twitch(c, &a);
1422         }
1423 }
1424
1425 void
1426 togglestyle(Client *c, const Arg *arg)
1427 {
1428         enablestyle = !enablestyle;
1429         setstyle(c, enablestyle ? getstyle(geturi(c)) : "");
1430
1431         updatetitle(c);
1432 }
1433
1434 void
1435 gettogglestat(Client *c)
1436 {
1437         gboolean value;
1438         int p = 0;
1439         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1440
1441         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1442
1443         g_object_get(G_OBJECT(settings), "enable-caret-browsing", &value,
1444                      NULL);
1445         togglestat[p++] = value? 'C': 'c';
1446
1447         togglestat[p++] = allowgeolocation? 'G': 'g';
1448
1449         togglestat[p++] = enablediskcache? 'D': 'd';
1450
1451         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1452         togglestat[p++] = value? 'I': 'i';
1453
1454         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1455         togglestat[p++] = value? 'S': 's';
1456
1457         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1458         togglestat[p++] = value? 'V': 'v';
1459
1460         togglestat[p++] = enablestyle ? 'M': 'm';
1461
1462         togglestat[p] = '\0';
1463 }
1464
1465 void
1466 getpagestat(Client *c)
1467 {
1468         const char *uri = geturi(c);
1469
1470         if (strstr(uri, "https://") == uri)
1471                 pagestat[0] = c->sslfailed ? 'U' : 'T';
1472         else
1473                 pagestat[0] = '-';
1474
1475         pagestat[1] = '\0';
1476 }
1477
1478 void
1479 updatetitle(Client *c)
1480 {
1481         char *t;
1482
1483         if (showindicators) {
1484                 gettogglestat(c);
1485                 getpagestat(c);
1486
1487                 if (c->linkhover) {
1488                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1489                                             c->linkhover);
1490                 } else if (c->progress != 100) {
1491                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1492                                             togglestat, pagestat,
1493                                             c->title == NULL ? "" : c->title);
1494                 } else {
1495                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1496                                             c->title == NULL ? "" : c->title);
1497                 }
1498
1499                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1500                 g_free(t);
1501         } else {
1502                 gtk_window_set_title(GTK_WINDOW(c->win), (c->title == NULL) ?
1503                                      "" : c->title);
1504         }
1505 }
1506
1507 void
1508 updatewinid(Client *c)
1509 {
1510         snprintf(winid, LENGTH(winid), "%lu", c->xid);
1511 }
1512
1513 void
1514 usage(void)
1515 {
1516         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
1517             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
1518             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
1519 }
1520
1521 void
1522 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1523                     JSObjectRef win, Client *c)
1524 {
1525         runscript(frame);
1526 }
1527
1528 void
1529 zoom(Client *c, const Arg *arg)
1530 {
1531         c->zoomed = TRUE;
1532         if (arg->i < 0) {
1533                 /* zoom out */
1534                 webkit_web_view_zoom_out(c->view);
1535         } else if (arg->i > 0) {
1536                 /* zoom in */
1537                 webkit_web_view_zoom_in(c->view);
1538         } else {
1539                 /* reset */
1540                 c->zoomed = FALSE;
1541                 webkit_web_view_set_zoom_level(c->view, 1.0);
1542         }
1543 }
1544
1545 int
1546 main(int argc, char *argv[])
1547 {
1548         Arg arg;
1549         Client *c;
1550
1551         memset(&arg, 0, sizeof(arg));
1552
1553         /* command line args */
1554         ARGBEGIN {
1555         case 'a':
1556                 cookiepolicies = EARGF(usage());
1557                 break;
1558         case 'b':
1559                 enablescrollbars = 0;
1560                 break;
1561         case 'B':
1562                 enablescrollbars = 1;
1563                 break;
1564         case 'c':
1565                 cookiefile = EARGF(usage());
1566                 break;
1567         case 'd':
1568                 enablediskcache = 0;
1569                 break;
1570         case 'D':
1571                 enablediskcache = 1;
1572                 break;
1573         case 'e':
1574                 embed = strtol(EARGF(usage()), NULL, 0);
1575                 break;
1576         case 'f':
1577                 runinfullscreen = 0;
1578                 break;
1579         case 'F':
1580                 runinfullscreen = 1;
1581                 break;
1582         case 'g':
1583                 allowgeolocation = 0;
1584                 break;
1585         case 'G':
1586                 allowgeolocation = 1;
1587                 break;
1588         case 'i':
1589                 loadimages = 0;
1590                 break;
1591         case 'I':
1592                 loadimages = 1;
1593                 break;
1594         case 'k':
1595                 kioskmode = 0;
1596                 break;
1597         case 'K':
1598                 kioskmode = 1;
1599                 break;
1600         case 'm':
1601                 enablestyle = 0;
1602                 break;
1603         case 'M':
1604                 enablestyle = 1;
1605                 break;
1606         case 'n':
1607                 enableinspector = 0;
1608                 break;
1609         case 'N':
1610                 enableinspector = 1;
1611                 break;
1612         case 'p':
1613                 enableplugins = 0;
1614                 break;
1615         case 'P':
1616                 enableplugins = 1;
1617                 break;
1618         case 'r':
1619                 scriptfile = EARGF(usage());
1620                 break;
1621         case 's':
1622                 enablescripts = 0;
1623                 break;
1624         case 'S':
1625                 enablescripts = 1;
1626                 break;
1627         case 't':
1628                 stylefile = EARGF(usage());
1629                 break;
1630         case 'u':
1631                 useragent = EARGF(usage());
1632                 break;
1633         case 'v':
1634                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1635                     "see LICENSE for details\n");
1636         case 'x':
1637                 showxid = TRUE;
1638                 break;
1639         case 'z':
1640                 zoomlevel = strtof(EARGF(usage()), NULL);
1641                 break;
1642         default:
1643                 usage();
1644         } ARGEND;
1645         if (argc > 0)
1646                 arg.v = argv[0];
1647
1648         setup();
1649         c = newclient();
1650         if (arg.v)
1651                 loaduri(clients, &arg);
1652         else
1653                 updatetitle(c);
1654
1655         gtk_main();
1656         cleanup();
1657
1658         return EXIT_SUCCESS;
1659 }
1660