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 click;
  80         unsigned int mask;
  81         guint button;
  82         void (*func)(Client *c, const Arg *arg);
  83         const Arg arg;
  84 } Button;
  85
  86 typedef struct {
  87         char *regex;
  88         char *style;
  89         regex_t re;
  90 } SiteStyle;
  91
  92 static Display *dpy;
  93 static Atom atoms[AtomLast];
  94 static Client *clients = NULL;
  95 static Window embed = 0;
  96 static gboolean showxid = FALSE;
  97 static char winid[64];
  98 static char togglestat[9];
  99 static char pagestat[3];
 100 static GTlsDatabase *tlsdb;
 101 static int cookiepolicy;
 102 static char *stylefile = NULL;
 103
 104 static void addaccelgroup(Client *c);
 105 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
 106                           WebKitWebResource *r, WebKitNetworkRequest *req,
 107                           WebKitNetworkResponse *resp, Client *c);
 108 static char *buildfile(const char *path);
 109 static char *buildpath(const char *path);
 110 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c);
 111 static void cleanup(void);
 112 static void clipboard(Client *c, const Arg *arg);
 113
 114 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 115 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 116
 117 static char *copystr(char **str, const char *src);
 118 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
 119                 Client *c);
 120 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 121     WebKitPolicyDecisionType dt, Client *c);
 122 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
 123 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
 124 static void decideresource(WebKitPolicyDecision *d, Client *c);
 125 static gboolean deletion_interface(WebKitWebView *view,
 126                                    WebKitDOMHTMLElement *arg1, Client *c);
 127 static void destroyclient(Client *c);
 128 static void destroywin(GtkWidget* w, Client *c);
 129 static void die(const char *errstr, ...);
 130 static void eval(Client *c, const Arg *arg);
 131 static void find(Client *c, const Arg *arg);
 132 static void fullscreen(Client *c, const Arg *arg);
 133 static gboolean permissionrequested(WebKitWebView *v,
 134                 WebKitPermissionRequest *r, Client *c);
 135 static const char *getatom(Client *c, int a);
 136 static void gettogglestat(Client *c);
 137 static void getpagestat(Client *c);
 138 static char *geturi(Client *c);
 139 static const gchar *getstyle(const char *uri);
 140 static void setstyle(Client *c, const char *style);
 141
 142 static void handleplumb(Client *c, WebKitWebView *w, const gchar *uri);
 143
 144 static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
 145                 Client *c);
 146 static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
 147 static void download(Client *c, WebKitURIResponse *r);
 148
 149 static void inspector(Client *c, const Arg *arg);
 150 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 151                                     Client *c);
 152 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 153 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 154 static void inspector_finished(WebKitWebInspector *i, Client *c);
 155
 156 static gboolean keypress(GtkAccelGroup *group, GObject *obj, guint key,
 157                          GdkModifierType mods, Client *c);
 158 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
 159                 guint modifiers, Client *c);
 160 static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
 161 static void loaduri(Client *c, const Arg *arg);
 162 static void navigate(Client *c, const Arg *arg);
 163 static Client *newclient(Client *c);
 164 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 165 static void showview(WebKitWebView *v, Client *c);
 166 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 167 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 168 static gboolean contextmenu(WebKitWebView *view, GtkWidget *menu,
 169                             WebKitHitTestResult *target, gboolean keyboard,
 170                             Client *c);
 171 static void menuactivate(GtkMenuItem *item, Client *c);
 172 static void print(Client *c, const Arg *arg);
 173 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 174                                 gpointer d);
 175 static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
 176 static void linkopen(Client *c, const Arg *arg);
 177 static void linkopenembed(Client *c, const Arg *arg);
 178 static void reload(Client *c, const Arg *arg);
 179 static void scroll_h(Client *c, const Arg *arg);
 180 static void scroll_v(Client *c, const Arg *arg);
 181 static void scroll(GtkAdjustment *a, const Arg *arg);
 182 static void setatom(Client *c, int a, const char *v);
 183 static void setup(void);
 184 static void sigchld(int unused);
 185 static void spawn(Client *c, const Arg *arg);
 186 static void stop(Client *c, const Arg *arg);
 187 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
 188 static void titlechangeleave(void *a, void *b, Client *c);
 189 static void toggle(Client *c, const Arg *arg);
 190 static void togglecookiepolicy(Client *c, const Arg *arg);
 191 static void togglegeolocation(Client *c, const Arg *arg);
 192 static void togglescrollbars(Client *c, const Arg *arg);
 193 static void togglestyle(Client *c, const Arg *arg);
 194 static void updatetitle(Client *c);
 195 static void updatewinid(Client *c);
 196 static void usage(void);
 197 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 198                                 JSContextRef js, JSObjectRef win, Client *c);
 199 static void zoom(Client *c, const Arg *arg);
 200
 201 /* configuration, allows nested code to access above variables */
 202 #include "config.h"
 203
 204 void
 205 addaccelgroup(Client *c)
 206 {
 207         int i;
 208         GtkAccelGroup *group = gtk_accel_group_new();
 209         GClosure *closure;
 210
 211         for (i = 0; i < LENGTH(keys); i++) {
 212                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 213                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod, 0,
 214                                         closure);
 215         }
 216         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 217 }
 218
 219 void
 220 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 221               WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 222               Client *c)
 223 {
 224         const gchar *uri = webkit_network_request_get_uri(req);
 225         int i, isascii = 1;
 226
 227         if (g_str_has_suffix(uri, "/favicon.ico"))
 228                 webkit_network_request_set_uri(req, "about:blank");
 229
 230         if (!g_str_has_prefix(uri, "http://")
 231             && !g_str_has_prefix(uri, "https://")
 232             && !g_str_has_prefix(uri, "about:")
 233             && !g_str_has_prefix(uri, "file://")
 234             && !g_str_has_prefix(uri, "data:")
 235             && !g_str_has_prefix(uri, "blob:")
 236             && strlen(uri) > 0) {
 237                 for (i = 0; i < strlen(uri); i++) {
 238                         if (!g_ascii_isprint(uri[i])) {
 239                                 isascii = 0;
 240                                 break;
 241                         }
 242                 }
 243                 if (isascii)
 244                         handleplumb(c, w, uri);
 245         }
 246 }
 247
 248 char *
 249 buildfile(const char *path)
 250 {
 251         char *dname, *bname, *bpath, *fpath;
 252         FILE *f;
 253
 254         dname = g_path_get_dirname(path);
 255         bname = g_path_get_basename(path);
 256
 257         bpath = buildpath(dname);
 258         g_free(dname);
 259
 260         fpath = g_build_filename(bpath, bname, NULL);
 261         g_free(bpath);
 262         g_free(bname);
 263
 264         if (!(f = fopen(fpath, "a")))
 265                 die("Could not open file: %s\n", fpath);
 266
 267         g_chmod(fpath, 0600); /* always */
 268         fclose(f);
 269
 270         return fpath;
 271 }
 272
 273 char *
 274 buildpath(const char *path)
 275 {
 276         struct passwd *pw;
 277         char *apath, *name, *p, *fpath;
 278
 279         if (path[0] == '~') {
 280                 if (path[1] == '/' || path[1] == '\0') {
 281                         p = (char *)&path[1];
 282                         pw = getpwuid(getuid());
 283                 } else {
 284                         if ((p = strchr(path, '/')))
 285                                 name = g_strndup(&path[1], --p - path);
 286                         else
 287                                 name = g_strdup(&path[1]);
 288
 289                         if (!(pw = getpwnam(name))) {
 290                                 die("Can't get user %s home directory: %s.\n",
 291                                     name, path);
 292                         }
 293                         g_free(name);
 294                 }
 295                 apath = g_build_filename(pw->pw_dir, p, NULL);
 296         } else {
 297                 apath = g_strdup(path);
 298         }
 299
 300         /* creating directory */
 301         if (g_mkdir_with_parents(apath, 0700) < 0)
 302                 die("Could not access directory: %s\n", apath);
 303
 304         fpath = realpath(apath, NULL);
 305         g_free(apath);
 306
 307         return fpath;
 308 }
 309
 310 gboolean
 311 buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c)
 312 {
 313         WebKitHitTestResultContext context;
 314         WebKitHitTestResult *result;
 315         Arg arg;
 316         unsigned int i;
 317
 318         result = webkit_web_view_get_hit_test_result(web, e);
 319         g_object_get(result, "context", &context, NULL);
 320         g_object_get(result, "link-uri", &arg.v, NULL);
 321         for (i = 0; i < LENGTH(buttons); i++) {
 322                 if (context & buttons[i].click
 323                     && e->button == buttons[i].button
 324                     && CLEANMASK(e->state) == CLEANMASK(buttons[i].mask)
 325                     && buttons[i].func) {
 326                         buttons[i].func(c, buttons[i].click == ClkLink
 327                             && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
 328                         return true;
 329                 }
 330         }
 331         return false;
 332 }
 333
 334 void
 335 cleanup(void)
 336 {
 337         while (clients)
 338                 destroyclient(clients);
 339         g_free(cookiefile);
 340         g_free(scriptfile);
 341         g_free(stylefile);
 342         g_free(cachedir);
 343 }
 344
 345 WebKitCookieAcceptPolicy
 346 cookiepolicy_get(void)
 347 {
 348         switch (cookiepolicies[cookiepolicy]) {
 349         case 'a':
 350                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 351         case '@':
 352                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 353         case 'A':
 354         default:
 355                 break;
 356         }
 357
 358         return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 359 }
 360
 361 char
 362 cookiepolicy_set(const WebKitCookieAcceptPolicy ep)
 363 {
 364         switch (ep) {
 365         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 366                 return 'a';
 367         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 368                 return '@';
 369         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 370         default:
 371                 break;
 372         }
 373
 374         return 'A';
 375 }
 376
 377 void
 378 evalscript(JSContextRef js, char *script, char* scriptname)
 379 {
 380         JSStringRef jsscript, jsscriptname;
 381         JSValueRef exception = NULL;
 382
 383         jsscript = JSStringCreateWithUTF8CString(script);
 384         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 385         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 386                          jsscriptname, 0, &exception);
 387         JSStringRelease(jsscript);
 388         JSStringRelease(jsscriptname);
 389 }
 390
 391 void
 392 runscript(WebKitWebFrame *frame)
 393 {
 394         char *script;
 395         GError *error;
 396
 397         if (g_file_get_contents(scriptfile, &script, NULL, &error)) {
 398                 evalscript(webkit_web_frame_get_global_context(frame), script,
 399                            scriptfile);
 400         }
 401 }
 402
 403 void
 404 clipboard(Client *c, const Arg *arg)
 405 {
 406         gboolean paste = *(gboolean *)arg;
 407
 408         if (paste) {
 409                 gtk_clipboard_request_text(gtk_clipboard_get(
 410                                            GDK_SELECTION_PRIMARY),
 411                                            pasteuri, c);
 412         } else {
 413                 gtk_clipboard_set_text(gtk_clipboard_get(
 414                                        GDK_SELECTION_PRIMARY), c->linkhover
 415                                        ? c->linkhover : geturi(c), -1);
 416         }
 417 }
 418
 419 char *
 420 copystr(char **str, const char *src)
 421 {
 422         char *tmp;
 423         tmp = g_strdup(src);
 424
 425         if (str && *str) {
 426                 g_free(*str);
 427                 *str = tmp;
 428         }
 429         return tmp;
 430 }
 431
 432 GtkWidget *
 433 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
 434 {
 435         Client *n;
 436
 437         switch (webkit_navigation_action_get_navigation_type(a)) {
 438         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 439                 /*
 440                  * popup windows of type “other” are almost always triggered
 441                  * by user gesture, so inverse the logic here
 442                  */
 443 /* instead of this, compare destination uri to mouse-over uri for validating window */
 444                 if (webkit_navigation_action_is_user_gesture(a)) {
 445                         return NULL;
 446                         break;
 447                 }
 448         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 449         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 450         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 451         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 452         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 453                 n = newclient(c);
 454                 break;
 455         default:
 456                 return NULL;
 457                 break;
 458         }
 459
 460         return GTK_WIDGET(n->view);
 461 }
 462
 463 gboolean
 464 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 465     WebKitPolicyDecisionType dt, Client *c)
 466 {
 467         switch (dt) {
 468         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
 469                 decidenavigation(d, c);
 470                 break;
 471         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
 472                 decidenewwindow(d, c);
 473                 break;
 474         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 475                 decideresource(d, c);
 476                 break;
 477         default:
 478                 webkit_policy_decision_ignore(d);
 479                 break;
 480         }
 481         return TRUE;
 482 }
 483
 484 void
 485 decidenavigation(WebKitPolicyDecision *d, Client *c)
 486 {
 487         WebKitNavigationAction *a;
 488
 489         a = webkit_navigation_policy_decision_get_navigation_action(
 490             WEBKIT_NAVIGATION_POLICY_DECISION(d));
 491
 492         switch (webkit_navigation_action_get_navigation_type(a)) {
 493         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 494         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 495         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 496         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 497         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 498         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 499         default:
 500                 /* Do not navigate to links with a "_blank" target (popup) */
 501                 if (webkit_navigation_policy_decision_get_frame_name(
 502                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
 503                         webkit_policy_decision_ignore(d);
 504                 } else {
 505                         /* Filter out navigation to different domain ? */
 506                         /* get action→urirequest, copy and load in new window+view
 507                          * on Ctrl+Click ? */
 508                         webkit_policy_decision_use(d);
 509                 }
 510                 break;
 511         }
 512 }
 513
 514 void
 515 decidenewwindow(WebKitPolicyDecision *d, Client *c)
 516 {
 517         WebKitNavigationAction *a;
 518         Arg arg;
 519
 520         a = webkit_navigation_policy_decision_get_navigation_action(
 521             WEBKIT_NAVIGATION_POLICY_DECISION(d));
 522
 523         switch (webkit_navigation_action_get_navigation_type(a)) {
 524         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 525         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 526         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 527         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 528         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 529                 /* Filter domains here */
 530 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
 531  * test for link clicked but no button ? */
 532                 arg.v = webkit_uri_request_get_uri(
 533                     webkit_navigation_action_get_request(a));
 534                 newwindow(c, &arg, 0);
 535                 break;
 536         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 537         default:
 538                 break;
 539         }
 540
 541         webkit_policy_decision_ignore(d);
 542 }
 543
 544 void
 545 decideresource(WebKitPolicyDecision *d, Client *c)
 546 {
 547         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
 548         WebKitURIResponse *res;
 549
 550         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
 551                 webkit_policy_decision_use(d);
 552         } else {
 553 res = webkit_response_policy_decision_get_response(r);
 554                 webkit_policy_decision_ignore(d);
 555                 download(c, res);
 556         }
 557 }
 558
 559 gboolean
 560 deletion_interface(WebKitWebView *view, WebKitDOMHTMLElement *arg1, Client *c)
 561 {
 562         return FALSE;
 563 }
 564
 565 void
 566 destroyclient(Client *c)
 567 {
 568         Client *p;
 569
 570         webkit_web_view_stop_loading(c->view);
 571         gtk_widget_destroy(GTK_WIDGET(c->view));
 572         gtk_widget_destroy(c->scroll);
 573         gtk_widget_destroy(c->vbox);
 574         gtk_widget_destroy(c->win);
 575
 576         for (p = clients; p && p->next != c; p = p->next)
 577                 ;
 578         if (p)
 579                 p->next = c->next;
 580         else
 581                 clients = c->next;
 582         free(c);
 583         if (clients == NULL)
 584                 gtk_main_quit();
 585 }
 586
 587 void
 588 destroywin(GtkWidget* w, Client *c)
 589 {
 590         destroyclient(c);
 591 }
 592
 593 void
 594 die(const char *errstr, ...)
 595 {
 596         va_list ap;
 597
 598         va_start(ap, errstr);
 599         vfprintf(stderr, errstr, ap);
 600         va_end(ap);
 601         exit(EXIT_FAILURE);
 602 }
 603
 604 void
 605 find(Client *c, const Arg *arg)
 606 {
 607         const char *s;
 608
 609         s = getatom(c, AtomFind);
 610         gboolean forward = *(gboolean *)arg;
 611         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 612 }
 613
 614 void
 615 fullscreen(Client *c, const Arg *arg)
 616 {
 617         if (c->fullscreen)
 618                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 619         else
 620                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 621         c->fullscreen = !c->fullscreen;
 622 }
 623
 624 gboolean
 625 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
 626 {
 627         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
 628                 if (allowgeolocation)
 629                         webkit_permission_request_allow(r);
 630                 else
 631                         webkit_permission_request_deny(r);
 632                 return TRUE;
 633         }
 634
 635         return FALSE;
 636 }
 637
 638 const char *
 639 getatom(Client *c, int a)
 640 {
 641         static char buf[BUFSIZ];
 642         Atom adummy;
 643         int idummy;
 644         unsigned long ldummy;
 645         unsigned char *p = NULL;
 646
 647         XGetWindowProperty(dpy, c->xid,
 648                            atoms[a], 0L, BUFSIZ, False, XA_STRING,
 649                            &adummy, &idummy, &ldummy, &ldummy, &p);
 650         if (p)
 651                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 652         else
 653                 buf[0] = '\0';
 654         XFree(p);
 655
 656         return buf;
 657 }
 658
 659 char *
 660 geturi(Client *c)
 661 {
 662         char *uri;
 663
 664         if (!(uri = (char *)webkit_web_view_get_uri(c->view)))
 665                 uri = "about:blank";
 666         return uri;
 667 }
 668
 669 const gchar *
 670 getstyle(const char *uri)
 671 {
 672         int i;
 673
 674         if (stylefile != NULL)
 675                 return stylefile;
 676
 677         for (i = 0; i < LENGTH(styles); i++) {
 678                 if (styles[i].regex && !regexec(&(styles[i].re), uri, 0,
 679                     NULL, 0))
 680                         return styles[i].style;
 681         }
 682
 683         return "";
 684 }
 685
 686 void
 687 setstyle(Client *c, const char *style)
 688 {
 689         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
 690
 691         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", style, NULL);
 692 }
 693
 694 void
 695 handleplumb(Client *c, WebKitWebView *w, const gchar *uri)
 696 {
 697         Arg arg;
 698
 699         webkit_web_view_stop_loading(w);
 700         arg = (Arg)PLUMB((char *)uri);
 701         spawn(c, &arg);
 702 }
 703
 704 void
 705 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
 706 {
 707         g_signal_connect(G_OBJECT(d), "notify::response",
 708             G_CALLBACK(responsereceived), c);
 709 }
 710
 711 void
 712 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
 713 {
 714         download(c, webkit_download_get_response(d));
 715         webkit_download_cancel(d);
 716 }
 717
 718 void
 719 download(Client *c, WebKitURIResponse *r)
 720 {
 721         Arg a;
 722
 723         a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
 724         spawn(c, &a);
 725 }
 726
 727 void
 728 inspector(Client *c, const Arg *arg)
 729 {
 730         if (enableinspector) {
 731                 if (c->isinspecting)
 732                         webkit_web_inspector_close(c->inspector);
 733                 else
 734                         webkit_web_inspector_show(c->inspector);
 735         }
 736 }
 737
 738 WebKitWebView *
 739 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c)
 740 {
 741         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 742 }
 743
 744 gboolean
 745 inspector_show(WebKitWebInspector *i, Client *c)
 746 {
 747         WebKitWebView *w;
 748
 749         if (c->isinspecting)
 750                 return false;
 751
 752         w = webkit_web_inspector_get_web_view(i);
 753         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 754         gtk_widget_show(GTK_WIDGET(w));
 755         c->isinspecting = true;
 756
 757         return true;
 758 }
 759
 760 gboolean
 761 inspector_close(WebKitWebInspector *i, Client *c)
 762 {
 763         GtkWidget *w;
 764
 765         if (!c->isinspecting)
 766                 return false;
 767
 768         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 769         gtk_widget_hide(w);
 770         gtk_widget_destroy(w);
 771         c->isinspecting = false;
 772
 773         return true;
 774 }
 775
 776 void
 777 inspector_finished(WebKitWebInspector *i, Client *c)
 778 {
 779         g_free(c->inspector);
 780 }
 781
 782 gboolean
 783 keypress(GtkAccelGroup *group, GObject *obj, guint key, GdkModifierType mods,
 784          Client *c)
 785 {
 786         guint i;
 787         gboolean processed = FALSE;
 788
 789         mods = CLEANMASK(mods);
 790         key = gdk_keyval_to_lower(key);
 791         updatewinid(c);
 792         for (i = 0; i < LENGTH(keys); i++) {
 793                 if (key == keys[i].keyval
 794                     && mods == keys[i].mod
 795                     && keys[i].func) {
 796                         keys[i].func(c, &(keys[i].arg));
 797                         processed = TRUE;
 798                 }
 799         }
 800
 801         return processed;
 802 }
 803
 804 void
 805 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
 806     Client *c)
 807 {
 808         WebKitHitTestResultContext hc;
 809
 810         /* Keep the hit test to know where is the pointer on the next click */
 811         c->mousepos = h;
 812
 813         hc = webkit_hit_test_result_get_context(h);
 814
 815         if (hc & OnLink)
 816                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
 817         else if (hc & OnImg)
 818                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
 819         else if (hc & OnMedia)
 820                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
 821         else
 822                 c->targeturi = NULL;
 823         updatetitle(c);
 824 }
 825
 826 void
 827 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
 828 {
 829         switch (e) {
 830         case WEBKIT_LOAD_STARTED:
 831                 c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 832                 break;
 833         case WEBKIT_LOAD_REDIRECTED:
 834                 setatom(c, AtomUri, geturi(c));
 835                 break;
 836         case WEBKIT_LOAD_COMMITTED:
 837                 if (!webkit_web_view_get_tls_info(c->view, NULL, &(c->tlsflags)))
 838                         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 839
 840                 setatom(c, AtomUri, geturi(c));
 841
 842                 if (enablestyle)
 843                         setstyle(c, getstyle(geturi(c)));
 844                 break;
 845         case WEBKIT_LOAD_FINISHED:
 846                 /* Disabled until we write some WebKitWebExtension for
 847                  * manipulating the DOM directly.
 848                 evalscript(c, "document.documentElement.style.overflow = '%s'",
 849                     enablescrollbars ? "auto" : "hidden");
 850                 */
 851                 runscript(c);
 852                 break;
 853         }
 854         updatetitle(c);
 855 }
 856
 857 void
 858 loaduri(Client *c, const Arg *arg)
 859 {
 860         char *u = NULL, *rp;
 861         const char *uri = (char *)arg->v;
 862         Arg a = { .b = FALSE };
 863         struct stat st;
 864
 865         if (strcmp(uri, "") == 0)
 866                 return;
 867
 868         /* In case it's a file path. */
 869         if (stat(uri, &st) == 0) {
 870                 rp = realpath(uri, NULL);
 871                 u = g_strdup_printf("file://%s", rp);
 872                 free(rp);
 873         } else {
 874                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 875                     : g_strdup_printf("http://%s", uri);
 876         }
 877
 878         setatom(c, AtomUri, uri);
 879
 880         /* prevents endless loop */
 881         if (strcmp(u, geturi(c)) == 0) {
 882                 reload(c, &a);
 883         } else {
 884                 webkit_web_view_load_uri(c->view, u);
 885                 c->progress = 0;
 886                 c->title = copystr(&c->title, u);
 887                 updatetitle(c);
 888         }
 889         g_free(u);
 890 }
 891
 892 void
 893 navigate(Client *c, const Arg *arg)
 894 {
 895         int steps = *(int *)arg;
 896         webkit_web_view_go_back_or_forward(c->view, steps);
 897 }
 898
 899 Client *
 900 newclient(Client *rc)
 901 {
 902         Client *c;
 903         gdouble dpi;
 904
 905         if (!(c = calloc(1, sizeof(Client))))
 906                 die("Cannot malloc!\n");
 907
 908         c->title = NULL;
 909         c->progress = 100;
 910
 911         c->next = clients;
 912         clients = c;
 913
 914         c->view = newview(c, rc ? rc->view : NULL);
 915         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 916
 917         return c;
 918 }
 919
 920 WebKitWebView *
 921 newview(Client *c, WebKitWebView *rv)
 922 {
 923         WebKitWebView *v;
 924         WebKitSettings *settings;
 925         WebKitUserContentManager *contentmanager;
 926         WebKitWebContext *context;
 927         char *ua;
 928
 929         /* Webview */
 930         if (rv) {
 931                 v = WEBKIT_WEB_VIEW(
 932                     webkit_web_view_new_with_related_view(rv));
 933         } else {
 934                 settings = webkit_settings_new_with_settings(
 935                     "auto-load-images", loadimages,
 936                     "default-font-size", defaultfontsize,
 937                     "enable-caret-browsing", enablecaretbrowsing,
 938                     "enable-developer-extras", enableinspector,
 939                     "enable-dns-prefetching", enablednsprefetching,
 940                     "enable-frame-flattening", enableframeflattening,
 941                     "enable-html5-database", enablecache,
 942                     "enable-html5-local-storage", enablecache,
 943                     "enable-javascript", enablescripts,
 944                     "enable-plugins", enableplugins,
 945                     NULL);
 946                 if (!(ua = getenv("SURF_USERAGENT")))
 947                         ua = useragent;
 948                 webkit_settings_set_user_agent(settings, ua);
 949                 /* Have a look at http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html
 950                  * for more interesting settings */
 951
 952                 contentmanager = webkit_user_content_manager_new();
 953
 954                 context = webkit_web_context_new_with_website_data_manager(
 955                     webkit_website_data_manager_new(
 956                     "base-cache-directory", cachedir,
 957                     "base-data-directory", cachedir,
 958                     NULL));
 959
 960                 /* rendering process model, can be a shared unique one or one for each
 961                  * view */
 962                 webkit_web_context_set_process_model(context,
 963                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
 964                 /* ssl */
 965                 webkit_web_context_set_tls_errors_policy(context, strictssl ?
 966                     WEBKIT_TLS_ERRORS_POLICY_FAIL : WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 967                 /* disk cache */
 968                 webkit_web_context_set_cache_model(context, enablecache ?
 969                     WEBKIT_CACHE_MODEL_WEB_BROWSER : WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 970
 971                 /* Currently only works with text file to be compatible with curl */
 972                 webkit_cookie_manager_set_persistent_storage(
 973                     webkit_web_context_get_cookie_manager(context), cookiefile,
 974                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
 975                 /* cookie policy */
 976                 webkit_cookie_manager_set_accept_policy(
 977                     webkit_web_context_get_cookie_manager(context),
 978                     cookiepolicy_get());
 979
 980                 g_signal_connect(G_OBJECT(context), "download-started",
 981                     G_CALLBACK(downloadstarted), c);
 982
 983                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
 984                     "settings", settings,
 985                     "user-content-manager", contentmanager,
 986                     "web-context", context,
 987                     NULL);
 988         }
 989
 990         g_signal_connect(G_OBJECT(v),
 991                          "notify::title",
 992                          G_CALLBACK(titlechanged), c);
 993         g_signal_connect(G_OBJECT(v),
 994                          "mouse-target-changed",
 995                          G_CALLBACK(mousetargetchanged), c);
 996         g_signal_connect(G_OBJECT(v),
 997                          "permission-request",
 998                          G_CALLBACK(permissionrequested), c);
 999         g_signal_connect(G_OBJECT(v),
1000                          "create",
1001                          G_CALLBACK(createview), c);
1002         g_signal_connect(G_OBJECT(v), "ready-to-show",
1003                          G_CALLBACK(showview), c);
1004         g_signal_connect(G_OBJECT(v),
1005                          "decide-policy",
1006                          G_CALLBACK(decidepolicy), c);
1007         g_signal_connect(G_OBJECT(v),
1008                          "window-object-cleared",
1009                          G_CALLBACK(windowobjectcleared), c);
1010         g_signal_connect(G_OBJECT(v),
1011                          "load-changed",
1012                          G_CALLBACK(loadchanged), c);
1013         g_signal_connect(G_OBJECT(v),
1014                          "notify::estimated-load-progress",
1015                          G_CALLBACK(progresschanged), c);
1016         g_signal_connect(G_OBJECT(v),
1017                          "button-release-event",
1018                          G_CALLBACK(buttonrelease), c);
1019         g_signal_connect(G_OBJECT(v),
1020                          "context-menu",
1021                          G_CALLBACK(contextmenu), c);
1022         g_signal_connect(G_OBJECT(v),
1023                          "resource-request-starting",
1024                          G_CALLBACK(beforerequest), c);
1025         g_signal_connect(G_OBJECT(v),
1026                          "should-show-delete-interface-for-element",
1027                          G_CALLBACK(deletion_interface), c);
1028
1029         return v;
1030 }
1031
1032 void
1033 showview(WebKitWebView *v, Client *c)
1034 {
1035         GdkGeometry hints = { 1, 1 };
1036         GdkRGBA bgcolor = { 0 };
1037         GdkWindow *gwin;
1038
1039         /* Window */
1040         if (embed) {
1041                 c->win = gtk_plug_new(embed);
1042         } else {
1043                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1044
1045                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
1046                  * is always correct, so we should still call this function.
1047                  * But when doing so, we *must* differentiate between a
1048                  * WM_CLASS and a resource on the window.  By convention, the
1049                  * window class (WM_CLASS) is capped, while the resource is in
1050                  * lowercase.   Both these values come as a pair.
1051                  */
1052                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
1053
1054                 /* TA:  20091214:  And set the role here as well -- so that
1055                  * sessions can pick this up.
1056                  */
1057                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
1058         }
1059         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
1060         g_signal_connect(G_OBJECT(c->win),
1061                          "destroy",
1062                          G_CALLBACK(destroywin), c);
1063         g_signal_connect(G_OBJECT(c->win),
1064                          "leave_notify_event",
1065                          G_CALLBACK(titlechangeleave), c);
1066
1067         if (!kioskmode)
1068                 addaccelgroup(c);
1069
1070         /* Arranging */
1071         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1072
1073         /* Setup */
1074         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1075         gtk_widget_show(GTK_WIDGET(c->view));
1076         gtk_widget_show(c->win);
1077         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1078         c->xid = gdk_x11_window_get_xid(gwin);
1079         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
1080                                       GDK_HINT_MIN_SIZE);
1081         gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1082         gdk_window_add_filter(gwin, processx, c);
1083
1084         runscript(frame);
1085
1086         /* This might conflict with _zoomto96dpi_. */
1087         if (zoomlevel != 1.0)
1088                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
1089
1090         if (runinfullscreen)
1091                 fullscreen(c, NULL);
1092
1093         setatom(c, AtomFind, "");
1094         setatom(c, AtomUri, "about:blank");
1095         if (hidebackground)
1096                 webkit_web_view_set_background_color(c->view, &bgcolor);
1097
1098         if (showxid) {
1099                 gdk_display_sync(gtk_widget_get_display(c->win));
1100                 printf("%lu\n", c->xid);
1101                 fflush(NULL);
1102                 if (fclose(stdout) != 0) {
1103                         die("Error closing stdout");
1104                 }
1105         }
1106 }
1107
1108 void
1109 newwindow(Client *c, const Arg *arg, gboolean noembed)
1110 {
1111         guint i = 0;
1112         const char *cmd[18], *uri;
1113         const Arg a = { .v = (void *)cmd };
1114         char tmp[64];
1115
1116         cmd[i++] = argv0;
1117         cmd[i++] = "-a";
1118         cmd[i++] = cookiepolicies;
1119         if (!enablescrollbars)
1120                 cmd[i++] = "-b";
1121         if (embed && !noembed) {
1122                 cmd[i++] = "-e";
1123                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1124                 cmd[i++] = tmp;
1125         }
1126         if (!allowgeolocation)
1127                 cmd[i++] = "-g";
1128         if (!loadimages)
1129                 cmd[i++] = "-i";
1130         if (kioskmode)
1131                 cmd[i++] = "-k";
1132         if (!enableplugins)
1133                 cmd[i++] = "-p";
1134         if (!enablescripts)
1135                 cmd[i++] = "-s";
1136         if (showxid)
1137                 cmd[i++] = "-x";
1138         if (enablediskcache)
1139                 cmd[i++] = "-D";
1140         cmd[i++] = "-c";
1141         cmd[i++] = cookiefile;
1142         cmd[i++] = "--";
1143         uri = arg->v ? (char *)arg->v : c->linkhover;
1144         if (uri)
1145                 cmd[i++] = uri;
1146         cmd[i++] = NULL;
1147         spawn(NULL, &a);
1148 }
1149
1150 gboolean
1151 contextmenu(WebKitWebView *view, GtkWidget *menu, WebKitHitTestResult *target,
1152             gboolean keyboard, Client *c)
1153 {
1154         GList *items = gtk_container_get_children(GTK_CONTAINER(GTK_MENU(menu)));
1155
1156         for (GList *l = items; l; l = l->next)
1157                 g_signal_connect(l->data, "activate", G_CALLBACK(menuactivate), c);
1158
1159         g_list_free(items);
1160         return FALSE;
1161 }
1162
1163 void
1164 menuactivate(GtkMenuItem *item, Client *c)
1165 {
1166         /*
1167          * context-menu-action-2000 open link
1168          * context-menu-action-1    open link in window
1169          * context-menu-action-2    download linked file
1170          * context-menu-action-3    copy link location
1171          * context-menu-action-7    copy image address
1172          * context-menu-action-13   reload
1173          * context-menu-action-10   back
1174          * context-menu-action-11   forward
1175          * context-menu-action-12   stop
1176          */
1177
1178         const gchar *name, *uri;
1179         GtkClipboard *prisel, *clpbrd;
1180
1181         name = gtk_actionable_get_action_name(GTK_ACTIONABLE(item));
1182         if (name == NULL)
1183                 return;
1184
1185         if (!g_strcmp0(name, "context-menu-action-3")) {
1186                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1187                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
1188         } else if (!g_strcmp0(name, "context-menu-action-7")) {
1189                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1190                 clpbrd = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1191                 uri = gtk_clipboard_wait_for_text(clpbrd);
1192                 if (uri)
1193                         gtk_clipboard_set_text(prisel, uri, -1);
1194         }
1195 }
1196
1197 void
1198 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1199 {
1200         Arg arg = {.v = text };
1201         if (text != NULL)
1202                 loaduri((Client *) d, &arg);
1203 }
1204
1205 void
1206 print(Client *c, const Arg *arg)
1207 {
1208         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
1209 }
1210
1211 GdkFilterReturn
1212 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1213 {
1214         Client *c = (Client *)d;
1215         XPropertyEvent *ev;
1216         Arg arg;
1217
1218         if (((XEvent *)e)->type == PropertyNotify) {
1219                 ev = &((XEvent *)e)->xproperty;
1220                 if (ev->state == PropertyNewValue) {
1221                         if (ev->atom == atoms[AtomFind]) {
1222                                 arg.b = TRUE;
1223                                 find(c, &arg);
1224
1225                                 return GDK_FILTER_REMOVE;
1226                         } else if (ev->atom == atoms[AtomGo]) {
1227                                 arg.v = getatom(c, AtomGo);
1228                                 loaduri(c, &arg);
1229
1230                                 return GDK_FILTER_REMOVE;
1231                         }
1232                 }
1233         }
1234         return GDK_FILTER_CONTINUE;
1235 }
1236
1237 void
1238 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1239 {
1240         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1241             100;
1242         updatetitle(c);
1243 }
1244
1245 void
1246 linkopen(Client *c, const Arg *arg)
1247 {
1248         newwindow(NULL, arg, 1);
1249 }
1250
1251 void
1252 linkopenembed(Client *c, const Arg *arg)
1253 {
1254         newwindow(NULL, arg, 0);
1255 }
1256
1257 void
1258 reload(Client *c, const Arg *arg)
1259 {
1260         gboolean nocache = *(gboolean *)arg;
1261         if (nocache)
1262                 webkit_web_view_reload_bypass_cache(c->view);
1263         else
1264                 webkit_web_view_reload(c->view);
1265 }
1266
1267 void
1268 scroll_h(Client *c, const Arg *arg)
1269 {
1270         scroll(gtk_scrolled_window_get_hadjustment(
1271                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1272 }
1273
1274 void
1275 scroll_v(Client *c, const Arg *arg)
1276 {
1277         scroll(gtk_scrolled_window_get_vadjustment(
1278                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1279 }
1280
1281 void
1282 scroll(GtkAdjustment *a, const Arg *arg)
1283 {
1284         gdouble v;
1285
1286         v = gtk_adjustment_get_value(a);
1287         switch (arg->i) {
1288         case +10000:
1289         case -10000:
1290                 v += gtk_adjustment_get_page_increment(a) * (arg->i / 10000);
1291                 break;
1292         case +20000:
1293         case -20000:
1294         default:
1295                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1296         }
1297
1298         v = MAX(v, 0.0);
1299         v = MIN(v, gtk_adjustment_get_upper(a) -
1300                 gtk_adjustment_get_page_size(a));
1301         gtk_adjustment_set_value(a, v);
1302 }
1303
1304 void
1305 setatom(Client *c, int a, const char *v)
1306 {
1307         XSync(dpy, False);
1308         XChangeProperty(dpy, c->xid,
1309                         atoms[a], XA_STRING, 8, PropModeReplace,
1310                         (unsigned char *)v, strlen(v) + 1);
1311 }
1312
1313 void
1314 setup(void)
1315 {
1316         int i;
1317         char *styledirfile, *stylepath;
1318         WebKitWebContext *context;
1319         GError *error = NULL;
1320
1321         /* clean up any zombies immediately */
1322         sigchld(0);
1323         gtk_init(NULL, NULL);
1324
1325         dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
1326
1327         /* atoms */
1328         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1329         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1330         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1331
1332         /* dirs and files */
1333         cookiefile = buildfile(cookiefile);
1334         scriptfile = buildfile(scriptfile);
1335         cachedir   = buildpath(cachedir);
1336         if (stylefile == NULL) {
1337                 styledir = buildpath(styledir);
1338                 for (i = 0; i < LENGTH(styles); i++) {
1339                         if (regcomp(&(styles[i].re), styles[i].regex,
1340                             REG_EXTENDED)) {
1341                                 fprintf(stderr,
1342                                         "Could not compile regex: %s\n",
1343                                         styles[i].regex);
1344                                 styles[i].regex = NULL;
1345                         }
1346                         styledirfile    = g_strconcat(styledir, "/",
1347                                                       styles[i].style, NULL);
1348                         stylepath       = buildfile(styledirfile);
1349                         styles[i].style = g_strconcat("file://", stylepath,
1350                                                       NULL);
1351                         g_free(styledirfile);
1352                         g_free(stylepath);
1353                 }
1354                 g_free(styledir);
1355         } else {
1356                 stylepath = buildfile(stylefile);
1357                 stylefile = g_strconcat("file://", stylepath, NULL);
1358                 g_free(stylepath);
1359         }
1360 }
1361
1362 void
1363 sigchld(int unused)
1364 {
1365         if (signal(SIGCHLD, sigchld) == SIG_ERR)
1366                 die("Can't install SIGCHLD handler");
1367         while (0 < waitpid(-1, NULL, WNOHANG));
1368 }
1369
1370 void
1371 spawn(Client *c, const Arg *arg)
1372 {
1373         if (fork() == 0) {
1374                 if (dpy)
1375                         close(ConnectionNumber(dpy));
1376                 setsid();
1377                 execvp(((char **)arg->v)[0], (char **)arg->v);
1378                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1379                 perror(" failed");
1380                 exit(0);
1381         }
1382 }
1383
1384 void
1385 eval(Client *c, const Arg *arg)
1386 {
1387         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1388         evalscript(webkit_web_frame_get_global_context(frame),
1389                    ((char **)arg->v)[0], "");
1390 }
1391
1392 void
1393 stop(Client *c, const Arg *arg)
1394 {
1395         webkit_web_view_stop_loading(c->view);
1396 }
1397
1398 void
1399 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1400 {
1401         c->title = webkit_web_view_get_title(c->view);
1402         updatetitle(c);
1403 }
1404
1405 void
1406 titlechangeleave(void *a, void *b, Client *c)
1407 {
1408         c->linkhover = NULL;
1409         updatetitle(c);
1410 }
1411
1412 void
1413 toggle(Client *c, const Arg *arg)
1414 {
1415         WebKitWebSettings *settings;
1416         char *name = (char *)arg->v;
1417         gboolean value;
1418         Arg a = { .b = FALSE };
1419
1420         settings = webkit_web_view_get_settings(c->view);
1421         g_object_get(G_OBJECT(settings), name, &value, NULL);
1422         g_object_set(G_OBJECT(settings), name, !value, NULL);
1423
1424         reload(c, &a);
1425 }
1426
1427 void
1428 togglecookiepolicy(Client *c, const Arg *arg)
1429 {
1430         ++cookiepolicy;
1431         cookiepolicy %= strlen(cookiepolicies);
1432
1433         webkit_cookie_manager_set_accept_policy(
1434             webkit_web_context_get_cookie_manager(
1435             webkit_web_view_get_context(c->view)),
1436             cookiepolicy_get());
1437
1438         updatetitle(c);
1439         /* Do not reload. */
1440 }
1441
1442 void
1443 togglegeolocation(Client *c, const Arg *arg)
1444 {
1445         Arg a = { .b = FALSE };
1446
1447         allowgeolocation ^= 1;
1448         reload(c, &a);
1449 }
1450
1451 void
1452 twitch(Client *c, const Arg *arg)
1453 {
1454         GtkAdjustment *a;
1455         gdouble v;
1456
1457         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(
1458                                                 c->scroll));
1459
1460         v = gtk_adjustment_get_value(a);
1461
1462         v += arg->i;
1463
1464         v = MAX(v, 0.0);
1465         v = MIN(v, gtk_adjustment_get_upper(a) -
1466                 gtk_adjustment_get_page_size(a));
1467         gtk_adjustment_set_value(a, v);
1468 }
1469
1470 void
1471 togglescrollbars(Client *c, const Arg *arg)
1472 {
1473         GtkPolicyType vspolicy;
1474         Arg a;
1475
1476         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL,
1477                                        &vspolicy);
1478
1479         if (vspolicy == GTK_POLICY_AUTOMATIC) {
1480                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1481                                                GTK_POLICY_NEVER,
1482                                                GTK_POLICY_NEVER);
1483         } else {
1484                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1485                                                GTK_POLICY_AUTOMATIC,
1486                                                GTK_POLICY_AUTOMATIC);
1487                 a.i = +1;
1488                 twitch(c, &a);
1489                 a.i = -1;
1490                 twitch(c, &a);
1491         }
1492 }
1493
1494 void
1495 togglestyle(Client *c, const Arg *arg)
1496 {
1497         enablestyle = !enablestyle;
1498         setstyle(c, enablestyle ? getstyle(geturi(c)) : "");
1499
1500         updatetitle(c);
1501 }
1502
1503 void
1504 gettogglestat(Client *c)
1505 {
1506         gboolean value;
1507         int p = 0;
1508         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1509
1510         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1511
1512         g_object_get(G_OBJECT(settings), "enable-caret-browsing", &value,
1513                      NULL);
1514         togglestat[p++] = value? 'C': 'c';
1515
1516         togglestat[p++] = allowgeolocation? 'G': 'g';
1517
1518         togglestat[p++] = enablediskcache? 'D': 'd';
1519
1520         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1521         togglestat[p++] = value? 'I': 'i';
1522
1523         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1524         togglestat[p++] = value? 'S': 's';
1525
1526         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1527         togglestat[p++] = value? 'V': 'v';
1528
1529         togglestat[p++] = enablestyle ? 'M': 'm';
1530
1531         togglestat[p] = '\0';
1532 }
1533
1534 void
1535 getpagestat(Client *c)
1536 {
1537         const char *uri = geturi(c);
1538
1539         pagestats[0] = c->tlsflags > G_TLS_CERTIFICATE_VALIDATE_ALL ? '-' :
1540             c->tlsflags > 0 ? 'U' : 'T';
1541         pagestat[1] = '\0';
1542 }
1543
1544 void
1545 updatetitle(Client *c)
1546 {
1547         char *t;
1548
1549         if (showindicators) {
1550                 gettogglestat(c);
1551                 getpagestat(c);
1552
1553                 if (c->linkhover) {
1554                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1555                                             c->linkhover);
1556                 } else if (c->progress != 100) {
1557                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1558                                             togglestat, pagestat,
1559                                             c->title == NULL ? "" : c->title);
1560                 } else {
1561                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1562                                             c->title == NULL ? "" : c->title);
1563                 }
1564
1565                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1566                 g_free(t);
1567         } else {
1568                 gtk_window_set_title(GTK_WINDOW(c->win), (c->title == NULL) ?
1569                                      "" : c->title);
1570         }
1571 }
1572
1573 void
1574 updatewinid(Client *c)
1575 {
1576         snprintf(winid, LENGTH(winid), "%lu", c->xid);
1577 }
1578
1579 void
1580 usage(void)
1581 {
1582         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
1583             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
1584             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
1585 }
1586
1587 void
1588 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1589                     JSObjectRef win, Client *c)
1590 {
1591         runscript(frame);
1592 }
1593
1594 void
1595 zoom(Client *c, const Arg *arg)
1596 {
1597         c->zoomed = TRUE;
1598         if (arg->i < 0) {
1599                 /* zoom out */
1600                 webkit_web_view_zoom_out(c->view);
1601         } else if (arg->i > 0) {
1602                 /* zoom in */
1603                 webkit_web_view_zoom_in(c->view);
1604         } else {
1605                 /* reset */
1606                 c->zoomed = FALSE;
1607                 webkit_web_view_set_zoom_level(c->view, 1.0);
1608         }
1609 }
1610
1611 int
1612 main(int argc, char *argv[])
1613 {
1614         Arg arg;
1615         Client *c;
1616
1617         memset(&arg, 0, sizeof(arg));
1618
1619         /* command line args */
1620         ARGBEGIN {
1621         case 'a':
1622                 cookiepolicies = EARGF(usage());
1623                 break;
1624         case 'b':
1625                 enablescrollbars = 0;
1626                 break;
1627         case 'B':
1628                 enablescrollbars = 1;
1629                 break;
1630         case 'c':
1631                 cookiefile = EARGF(usage());
1632                 break;
1633         case 'd':
1634                 enablediskcache = 0;
1635                 break;
1636         case 'D':
1637                 enablediskcache = 1;
1638                 break;
1639         case 'e':
1640                 embed = strtol(EARGF(usage()), NULL, 0);
1641                 break;
1642         case 'f':
1643                 runinfullscreen = 0;
1644                 break;
1645         case 'F':
1646                 runinfullscreen = 1;
1647                 break;
1648         case 'g':
1649                 allowgeolocation = 0;
1650                 break;
1651         case 'G':
1652                 allowgeolocation = 1;
1653                 break;
1654         case 'i':
1655                 loadimages = 0;
1656                 break;
1657         case 'I':
1658                 loadimages = 1;
1659                 break;
1660         case 'k':
1661                 kioskmode = 0;
1662                 break;
1663         case 'K':
1664                 kioskmode = 1;
1665                 break;
1666         case 'm':
1667                 enablestyle = 0;
1668                 break;
1669         case 'M':
1670                 enablestyle = 1;
1671                 break;
1672         case 'n':
1673                 enableinspector = 0;
1674                 break;
1675         case 'N':
1676                 enableinspector = 1;
1677                 break;
1678         case 'p':
1679                 enableplugins = 0;
1680                 break;
1681         case 'P':
1682                 enableplugins = 1;
1683                 break;
1684         case 'r':
1685                 scriptfile = EARGF(usage());
1686                 break;
1687         case 's':
1688                 enablescripts = 0;
1689                 break;
1690         case 'S':
1691                 enablescripts = 1;
1692                 break;
1693         case 't':
1694                 stylefile = EARGF(usage());
1695                 break;
1696         case 'u':
1697                 useragent = EARGF(usage());
1698                 break;
1699         case 'v':
1700                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1701                     "see LICENSE for details\n");
1702         case 'x':
1703                 showxid = TRUE;
1704                 break;
1705         case 'z':
1706                 zoomlevel = strtof(EARGF(usage()), NULL);
1707                 break;
1708         default:
1709                 usage();
1710         } ARGEND;
1711         if (argc > 0)
1712                 arg.v = argv[0];
1713
1714         setup();
1715         c = newclient(NULL);
1716         showview(NULL, c);
1717         if (arg.v)
1718                 loaduri(clients, &arg);
1719         else
1720                 updatetitle(c);
1721
1722         gtk_main();
1723         cleanup();
1724
1725         return EXIT_SUCCESS;
1726 }
1727