surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <signal.h>
   6 #include <X11/X.h>
   7 #include <X11/Xatom.h>
   8 #include <gtk/gtkx.h>
   9 #include <gtk/gtk.h>
  10 #include <gdk/gdkx.h>
  11 #include <gdk/gdk.h>
  12 #include <gdk/gdkkeysyms.h>
  13 #include <string.h>
  14 #include <sys/types.h>
  15 #include <sys/wait.h>
  16 #include <unistd.h>
  17 #include <limits.h>
  18 #include <stdlib.h>
  19 #include <stdio.h>
  20 #include <webkit2/webkit2.h>
  21 #include <glib/gstdio.h>
  22 #include <JavaScriptCore/JavaScript.h>
  23 #include <sys/file.h>
  24 #include <libgen.h>
  25 #include <stdarg.h>
  26 #include <regex.h>
  27 #include <pwd.h>
  28 #include <string.h>
  29
  30 #include "arg.h"
  31
  32 char *argv0;
  33
  34 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
  35 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  36
  37 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  38
  39 enum {
  40         OnDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  41         OnLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  42         OnImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  43         OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  44         OnEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  45         OnBar   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
  46         OnSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  47         OnAny   = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
  48 };
  49
  50 typedef union Arg Arg;
  51 union Arg {
  52         gboolean b;
  53         gint i;
  54         const void *v;
  55 };
  56
  57 typedef struct Client {
  58         GtkWidget *win;
  59         Window xid;
  60         WebKitWebView *view;
  61         WebKitWebInspector *inspector;
  62         WebKitHitTestResult *mousepos;
  63         GTlsCertificateFlags tlsflags;
  64         const char *title, *targeturi;
  65         const char *needle;
  66         gint progress;
  67         struct Client *next;
  68         gboolean zoomed, fullscreen, isinspecting;
  69 } Client;
  70
  71 typedef struct {
  72         guint mod;
  73         guint keyval;
  74         void (*func)(Client *c, const Arg *arg);
  75         const Arg arg;
  76 } Key;
  77
  78 typedef struct {
  79         unsigned int target;
  80         unsigned int mask;
  81         guint button;
  82         void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
  83         const Arg arg;
  84         unsigned int stopevent;
  85 } Button;
  86
  87 typedef struct {
  88         char *regex;
  89         char *style;
  90         regex_t re;
  91 } SiteStyle;
  92
  93 static Display *dpy;
  94 static Atom atoms[AtomLast];
  95 static Client *clients = NULL;
  96 static Window embed = 0;
  97 static gboolean showxid = FALSE;
  98 static char winid[64];
  99 static char togglestat[9];
 100 static char pagestat[3];
 101 static GTlsDatabase *tlsdb;
 102 static int cookiepolicy;
 103 static char *stylefile = NULL;
 104
 105 static void addaccelgroup(Client *c);
 106 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
 107                           WebKitWebResource *r, WebKitNetworkRequest *req,
 108                           WebKitNetworkResponse *resp, Client *c);
 109 static char *buildfile(const char *path);
 110 static char *buildpath(const char *path);
 111 static gboolean buttonreleased(GtkWidget *w, GdkEventKey *e, Client *c);
 112 static void cleanup(void);
 113 static void clipboard(Client *c, const Arg *arg);
 114
 115 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 116 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 117
 118 static char *copystr(char **str, const char *src);
 119 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
 120                 Client *c);
 121 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 122     WebKitPolicyDecisionType dt, Client *c);
 123 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
 124 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
 125 static void decideresource(WebKitPolicyDecision *d, Client *c);
 126 static gboolean deletion_interface(WebKitWebView *view,
 127                                    WebKitDOMHTMLElement *arg1, Client *c);
 128 static void destroyclient(Client *c);
 129 static void destroywin(GtkWidget* w, Client *c);
 130 static void die(const char *errstr, ...);
 131 static void eval(Client *c, const Arg *arg);
 132 static void find(Client *c, const Arg *arg);
 133 static void fullscreen(Client *c, const Arg *arg);
 134 static gboolean permissionrequested(WebKitWebView *v,
 135                 WebKitPermissionRequest *r, Client *c);
 136 static const char *getatom(Client *c, int a);
 137 static void gettogglestat(Client *c);
 138 static void getpagestat(Client *c);
 139 static char *geturi(Client *c);
 140 static const gchar *getstyle(const char *uri);
 141 static void setstyle(Client *c, const char *style);
 142
 143 static void handleplumb(Client *c, WebKitWebView *w, const gchar *uri);
 144
 145 static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
 146                 Client *c);
 147 static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
 148 static void download(Client *c, WebKitURIResponse *r);
 149
 150 static void inspector(Client *c, const Arg *arg);
 151 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 152                                     Client *c);
 153 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 154 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 155 static void inspector_finished(WebKitWebInspector *i, Client *c);
 156
 157 static gboolean keypress(GtkAccelGroup *group, GObject *obj, guint key,
 158                          GdkModifierType mods, Client *c);
 159 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
 160                 guint modifiers, Client *c);
 161 static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
 162 static void loaduri(Client *c, const Arg *arg);
 163 static void navigate(Client *c, const Arg *arg);
 164 static Client *newclient(Client *c);
 165 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 166 static void showview(WebKitWebView *v, Client *c);
 167 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 168 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 169 static void print(Client *c, const Arg *arg);
 170 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 171                                 gpointer d);
 172 static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
 173 static void linkopen(Client *c, const Arg *arg);
 174 static void linkopenembed(Client *c, const Arg *arg);
 175 static void reload(Client *c, const Arg *arg);
 176 static void scroll_h(Client *c, const Arg *arg);
 177 static void scroll_v(Client *c, const Arg *arg);
 178 static void scroll(GtkAdjustment *a, const Arg *arg);
 179 static void setatom(Client *c, int a, const char *v);
 180 static void setup(void);
 181 static void sigchld(int unused);
 182 static void spawn(Client *c, const Arg *arg);
 183 static void stop(Client *c, const Arg *arg);
 184 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
 185 static void titlechangeleave(void *a, void *b, Client *c);
 186 static void toggle(Client *c, const Arg *arg);
 187 static void togglecookiepolicy(Client *c, const Arg *arg);
 188 static void togglegeolocation(Client *c, const Arg *arg);
 189 static void togglescrollbars(Client *c, const Arg *arg);
 190 static void togglestyle(Client *c, const Arg *arg);
 191 static void updatetitle(Client *c);
 192 static void updatewinid(Client *c);
 193 static void usage(void);
 194 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 195                                 JSContextRef js, JSObjectRef win, Client *c);
 196 static void zoom(Client *c, const Arg *arg);
 197
 198 /* configuration, allows nested code to access above variables */
 199 #include "config.h"
 200
 201 void
 202 addaccelgroup(Client *c)
 203 {
 204         int i;
 205         GtkAccelGroup *group = gtk_accel_group_new();
 206         GClosure *closure;
 207
 208         for (i = 0; i < LENGTH(keys); i++) {
 209                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 210                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod, 0,
 211                                         closure);
 212         }
 213         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 214 }
 215
 216 void
 217 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 218               WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 219               Client *c)
 220 {
 221         const gchar *uri = webkit_network_request_get_uri(req);
 222         int i, isascii = 1;
 223
 224         if (g_str_has_suffix(uri, "/favicon.ico"))
 225                 webkit_network_request_set_uri(req, "about:blank");
 226
 227         if (!g_str_has_prefix(uri, "http://")
 228             && !g_str_has_prefix(uri, "https://")
 229             && !g_str_has_prefix(uri, "about:")
 230             && !g_str_has_prefix(uri, "file://")
 231             && !g_str_has_prefix(uri, "data:")
 232             && !g_str_has_prefix(uri, "blob:")
 233             && strlen(uri) > 0) {
 234                 for (i = 0; i < strlen(uri); i++) {
 235                         if (!g_ascii_isprint(uri[i])) {
 236                                 isascii = 0;
 237                                 break;
 238                         }
 239                 }
 240                 if (isascii)
 241                         handleplumb(c, w, uri);
 242         }
 243 }
 244
 245 char *
 246 buildfile(const char *path)
 247 {
 248         char *dname, *bname, *bpath, *fpath;
 249         FILE *f;
 250
 251         dname = g_path_get_dirname(path);
 252         bname = g_path_get_basename(path);
 253
 254         bpath = buildpath(dname);
 255         g_free(dname);
 256
 257         fpath = g_build_filename(bpath, bname, NULL);
 258         g_free(bpath);
 259         g_free(bname);
 260
 261         if (!(f = fopen(fpath, "a")))
 262                 die("Could not open file: %s\n", fpath);
 263
 264         g_chmod(fpath, 0600); /* always */
 265         fclose(f);
 266
 267         return fpath;
 268 }
 269
 270 char *
 271 buildpath(const char *path)
 272 {
 273         struct passwd *pw;
 274         char *apath, *name, *p, *fpath;
 275
 276         if (path[0] == '~') {
 277                 if (path[1] == '/' || path[1] == '\0') {
 278                         p = (char *)&path[1];
 279                         pw = getpwuid(getuid());
 280                 } else {
 281                         if ((p = strchr(path, '/')))
 282                                 name = g_strndup(&path[1], --p - path);
 283                         else
 284                                 name = g_strdup(&path[1]);
 285
 286                         if (!(pw = getpwnam(name))) {
 287                                 die("Can't get user %s home directory: %s.\n",
 288                                     name, path);
 289                         }
 290                         g_free(name);
 291                 }
 292                 apath = g_build_filename(pw->pw_dir, p, NULL);
 293         } else {
 294                 apath = g_strdup(path);
 295         }
 296
 297         /* creating directory */
 298         if (g_mkdir_with_parents(apath, 0700) < 0)
 299                 die("Could not access directory: %s\n", apath);
 300
 301         fpath = realpath(apath, NULL);
 302         g_free(apath);
 303
 304         return fpath;
 305 }
 306
 307 gboolean
 308 buttonreleased(GtkWidget *w, GdkEventKey *e, Client *c)
 309 {
 310         WebKitHitTestResultContext element;
 311         GdkEventButton *eb = (GdkEventButton*)e;
 312         int i;
 313
 314         element = webkit_hit_test_result_get_context(c->mousepos);
 315
 316         for (i = 0; i < LENGTH(buttons); ++i) {
 317                 if (element & buttons[i].target &&
 318                     eb->button == buttons[i].button &&
 319                     CLEANMASK(eb->state) == CLEANMASK(buttons[i].mask) &&
 320                     buttons[i].func) {
 321                         buttons[i].func(c, &buttons[i].arg, c->mousepos);
 322                         return buttons[i].stopevent;
 323                 }
 324         }
 325
 326         return FALSE;
 327 }
 328
 329 void
 330 cleanup(void)
 331 {
 332         while (clients)
 333                 destroyclient(clients);
 334         g_free(cookiefile);
 335         g_free(scriptfile);
 336         g_free(stylefile);
 337         g_free(cachedir);
 338 }
 339
 340 WebKitCookieAcceptPolicy
 341 cookiepolicy_get(void)
 342 {
 343         switch (cookiepolicies[cookiepolicy]) {
 344         case 'a':
 345                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 346         case '@':
 347                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 348         case 'A':
 349         default:
 350                 break;
 351         }
 352
 353         return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 354 }
 355
 356 char
 357 cookiepolicy_set(const WebKitCookieAcceptPolicy ep)
 358 {
 359         switch (ep) {
 360         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 361                 return 'a';
 362         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 363                 return '@';
 364         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 365         default:
 366                 break;
 367         }
 368
 369         return 'A';
 370 }
 371
 372 void
 373 evalscript(JSContextRef js, char *script, char* scriptname)
 374 {
 375         JSStringRef jsscript, jsscriptname;
 376         JSValueRef exception = NULL;
 377
 378         jsscript = JSStringCreateWithUTF8CString(script);
 379         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 380         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 381                          jsscriptname, 0, &exception);
 382         JSStringRelease(jsscript);
 383         JSStringRelease(jsscriptname);
 384 }
 385
 386 void
 387 runscript(WebKitWebFrame *frame)
 388 {
 389         char *script;
 390         GError *error;
 391
 392         if (g_file_get_contents(scriptfile, &script, NULL, &error)) {
 393                 evalscript(webkit_web_frame_get_global_context(frame), script,
 394                            scriptfile);
 395         }
 396 }
 397
 398 void
 399 clipboard(Client *c, const Arg *arg)
 400 {
 401         gboolean paste = *(gboolean *)arg;
 402
 403         if (paste) {
 404                 gtk_clipboard_request_text(gtk_clipboard_get(
 405                                            GDK_SELECTION_PRIMARY),
 406                                            pasteuri, c);
 407         } else {
 408                 gtk_clipboard_set_text(gtk_clipboard_get(
 409                                        GDK_SELECTION_PRIMARY), c->linkhover
 410                                        ? c->linkhover : geturi(c), -1);
 411         }
 412 }
 413
 414 char *
 415 copystr(char **str, const char *src)
 416 {
 417         char *tmp;
 418         tmp = g_strdup(src);
 419
 420         if (str && *str) {
 421                 g_free(*str);
 422                 *str = tmp;
 423         }
 424         return tmp;
 425 }
 426
 427 GtkWidget *
 428 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
 429 {
 430         Client *n;
 431
 432         switch (webkit_navigation_action_get_navigation_type(a)) {
 433         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 434                 /*
 435                  * popup windows of type “other” are almost always triggered
 436                  * by user gesture, so inverse the logic here
 437                  */
 438 /* instead of this, compare destination uri to mouse-over uri for validating window */
 439                 if (webkit_navigation_action_is_user_gesture(a)) {
 440                         return NULL;
 441                         break;
 442                 }
 443         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 444         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 445         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 446         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 447         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 448                 n = newclient(c);
 449                 break;
 450         default:
 451                 return NULL;
 452                 break;
 453         }
 454
 455         return GTK_WIDGET(n->view);
 456 }
 457
 458 gboolean
 459 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 460     WebKitPolicyDecisionType dt, Client *c)
 461 {
 462         switch (dt) {
 463         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
 464                 decidenavigation(d, c);
 465                 break;
 466         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
 467                 decidenewwindow(d, c);
 468                 break;
 469         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 470                 decideresource(d, c);
 471                 break;
 472         default:
 473                 webkit_policy_decision_ignore(d);
 474                 break;
 475         }
 476         return TRUE;
 477 }
 478
 479 void
 480 decidenavigation(WebKitPolicyDecision *d, Client *c)
 481 {
 482         WebKitNavigationAction *a;
 483
 484         a = webkit_navigation_policy_decision_get_navigation_action(
 485             WEBKIT_NAVIGATION_POLICY_DECISION(d));
 486
 487         switch (webkit_navigation_action_get_navigation_type(a)) {
 488         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 489         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 490         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 491         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 492         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 493         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 494         default:
 495                 /* Do not navigate to links with a "_blank" target (popup) */
 496                 if (webkit_navigation_policy_decision_get_frame_name(
 497                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
 498                         webkit_policy_decision_ignore(d);
 499                 } else {
 500                         /* Filter out navigation to different domain ? */
 501                         /* get action→urirequest, copy and load in new window+view
 502                          * on Ctrl+Click ? */
 503                         webkit_policy_decision_use(d);
 504                 }
 505                 break;
 506         }
 507 }
 508
 509 void
 510 decidenewwindow(WebKitPolicyDecision *d, Client *c)
 511 {
 512         WebKitNavigationAction *a;
 513         Arg arg;
 514
 515         a = webkit_navigation_policy_decision_get_navigation_action(
 516             WEBKIT_NAVIGATION_POLICY_DECISION(d));
 517
 518         switch (webkit_navigation_action_get_navigation_type(a)) {
 519         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 520         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 521         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 522         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 523         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 524                 /* Filter domains here */
 525 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
 526  * test for link clicked but no button ? */
 527                 arg.v = webkit_uri_request_get_uri(
 528                     webkit_navigation_action_get_request(a));
 529                 newwindow(c, &arg, 0);
 530                 break;
 531         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 532         default:
 533                 break;
 534         }
 535
 536         webkit_policy_decision_ignore(d);
 537 }
 538
 539 void
 540 decideresource(WebKitPolicyDecision *d, Client *c)
 541 {
 542         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
 543         WebKitURIResponse *res;
 544
 545         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
 546                 webkit_policy_decision_use(d);
 547         } else {
 548 res = webkit_response_policy_decision_get_response(r);
 549                 webkit_policy_decision_ignore(d);
 550                 download(c, res);
 551         }
 552 }
 553
 554 gboolean
 555 deletion_interface(WebKitWebView *view, WebKitDOMHTMLElement *arg1, Client *c)
 556 {
 557         return FALSE;
 558 }
 559
 560 void
 561 destroyclient(Client *c)
 562 {
 563         Client *p;
 564
 565         webkit_web_view_stop_loading(c->view);
 566         gtk_widget_destroy(GTK_WIDGET(c->view));
 567         gtk_widget_destroy(c->scroll);
 568         gtk_widget_destroy(c->vbox);
 569         gtk_widget_destroy(c->win);
 570
 571         for (p = clients; p && p->next != c; p = p->next)
 572                 ;
 573         if (p)
 574                 p->next = c->next;
 575         else
 576                 clients = c->next;
 577         free(c);
 578         if (clients == NULL)
 579                 gtk_main_quit();
 580 }
 581
 582 void
 583 destroywin(GtkWidget* w, Client *c)
 584 {
 585         destroyclient(c);
 586 }
 587
 588 void
 589 die(const char *errstr, ...)
 590 {
 591         va_list ap;
 592
 593         va_start(ap, errstr);
 594         vfprintf(stderr, errstr, ap);
 595         va_end(ap);
 596         exit(EXIT_FAILURE);
 597 }
 598
 599 void
 600 find(Client *c, const Arg *arg)
 601 {
 602         const char *s;
 603
 604         s = getatom(c, AtomFind);
 605         gboolean forward = *(gboolean *)arg;
 606         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 607 }
 608
 609 void
 610 fullscreen(Client *c, const Arg *arg)
 611 {
 612         if (c->fullscreen)
 613                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 614         else
 615                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 616         c->fullscreen = !c->fullscreen;
 617 }
 618
 619 gboolean
 620 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
 621 {
 622         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
 623                 if (allowgeolocation)
 624                         webkit_permission_request_allow(r);
 625                 else
 626                         webkit_permission_request_deny(r);
 627                 return TRUE;
 628         }
 629
 630         return FALSE;
 631 }
 632
 633 const char *
 634 getatom(Client *c, int a)
 635 {
 636         static char buf[BUFSIZ];
 637         Atom adummy;
 638         int idummy;
 639         unsigned long ldummy;
 640         unsigned char *p = NULL;
 641
 642         XGetWindowProperty(dpy, c->xid,
 643                            atoms[a], 0L, BUFSIZ, False, XA_STRING,
 644                            &adummy, &idummy, &ldummy, &ldummy, &p);
 645         if (p)
 646                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 647         else
 648                 buf[0] = '\0';
 649         XFree(p);
 650
 651         return buf;
 652 }
 653
 654 char *
 655 geturi(Client *c)
 656 {
 657         char *uri;
 658
 659         if (!(uri = (char *)webkit_web_view_get_uri(c->view)))
 660                 uri = "about:blank";
 661         return uri;
 662 }
 663
 664 const gchar *
 665 getstyle(const char *uri)
 666 {
 667         int i;
 668
 669         if (stylefile != NULL)
 670                 return stylefile;
 671
 672         for (i = 0; i < LENGTH(styles); i++) {
 673                 if (styles[i].regex && !regexec(&(styles[i].re), uri, 0,
 674                     NULL, 0))
 675                         return styles[i].style;
 676         }
 677
 678         return "";
 679 }
 680
 681 void
 682 setstyle(Client *c, const char *style)
 683 {
 684         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
 685
 686         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", style, NULL);
 687 }
 688
 689 void
 690 handleplumb(Client *c, WebKitWebView *w, const gchar *uri)
 691 {
 692         Arg arg;
 693
 694         webkit_web_view_stop_loading(w);
 695         arg = (Arg)PLUMB((char *)uri);
 696         spawn(c, &arg);
 697 }
 698
 699 void
 700 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
 701 {
 702         g_signal_connect(G_OBJECT(d), "notify::response",
 703             G_CALLBACK(responsereceived), c);
 704 }
 705
 706 void
 707 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
 708 {
 709         download(c, webkit_download_get_response(d));
 710         webkit_download_cancel(d);
 711 }
 712
 713 void
 714 download(Client *c, WebKitURIResponse *r)
 715 {
 716         Arg a;
 717
 718         a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
 719         spawn(c, &a);
 720 }
 721
 722 void
 723 inspector(Client *c, const Arg *arg)
 724 {
 725         if (enableinspector) {
 726                 if (c->isinspecting)
 727                         webkit_web_inspector_close(c->inspector);
 728                 else
 729                         webkit_web_inspector_show(c->inspector);
 730         }
 731 }
 732
 733 WebKitWebView *
 734 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c)
 735 {
 736         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 737 }
 738
 739 gboolean
 740 inspector_show(WebKitWebInspector *i, Client *c)
 741 {
 742         WebKitWebView *w;
 743
 744         if (c->isinspecting)
 745                 return false;
 746
 747         w = webkit_web_inspector_get_web_view(i);
 748         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 749         gtk_widget_show(GTK_WIDGET(w));
 750         c->isinspecting = true;
 751
 752         return true;
 753 }
 754
 755 gboolean
 756 inspector_close(WebKitWebInspector *i, Client *c)
 757 {
 758         GtkWidget *w;
 759
 760         if (!c->isinspecting)
 761                 return false;
 762
 763         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 764         gtk_widget_hide(w);
 765         gtk_widget_destroy(w);
 766         c->isinspecting = false;
 767
 768         return true;
 769 }
 770
 771 void
 772 inspector_finished(WebKitWebInspector *i, Client *c)
 773 {
 774         g_free(c->inspector);
 775 }
 776
 777 gboolean
 778 keypress(GtkAccelGroup *group, GObject *obj, guint key, GdkModifierType mods,
 779          Client *c)
 780 {
 781         guint i;
 782         gboolean processed = FALSE;
 783
 784         mods = CLEANMASK(mods);
 785         key = gdk_keyval_to_lower(key);
 786         updatewinid(c);
 787         for (i = 0; i < LENGTH(keys); i++) {
 788                 if (key == keys[i].keyval
 789                     && mods == keys[i].mod
 790                     && keys[i].func) {
 791                         keys[i].func(c, &(keys[i].arg));
 792                         processed = TRUE;
 793                 }
 794         }
 795
 796         return processed;
 797 }
 798
 799 void
 800 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
 801     Client *c)
 802 {
 803         WebKitHitTestResultContext hc;
 804
 805         /* Keep the hit test to know where is the pointer on the next click */
 806         c->mousepos = h;
 807
 808         hc = webkit_hit_test_result_get_context(h);
 809
 810         if (hc & OnLink)
 811                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
 812         else if (hc & OnImg)
 813                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
 814         else if (hc & OnMedia)
 815                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
 816         else
 817                 c->targeturi = NULL;
 818         updatetitle(c);
 819 }
 820
 821 void
 822 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
 823 {
 824         switch (e) {
 825         case WEBKIT_LOAD_STARTED:
 826                 c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 827                 break;
 828         case WEBKIT_LOAD_REDIRECTED:
 829                 setatom(c, AtomUri, geturi(c));
 830                 break;
 831         case WEBKIT_LOAD_COMMITTED:
 832                 if (!webkit_web_view_get_tls_info(c->view, NULL, &(c->tlsflags)))
 833                         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 834
 835                 setatom(c, AtomUri, geturi(c));
 836
 837                 if (enablestyle)
 838                         setstyle(c, getstyle(geturi(c)));
 839                 break;
 840         case WEBKIT_LOAD_FINISHED:
 841                 /* Disabled until we write some WebKitWebExtension for
 842                  * manipulating the DOM directly.
 843                 evalscript(c, "document.documentElement.style.overflow = '%s'",
 844                     enablescrollbars ? "auto" : "hidden");
 845                 */
 846                 runscript(c);
 847                 break;
 848         }
 849         updatetitle(c);
 850 }
 851
 852 void
 853 loaduri(Client *c, const Arg *arg)
 854 {
 855         char *u = NULL, *rp;
 856         const char *uri = (char *)arg->v;
 857         Arg a = { .b = FALSE };
 858         struct stat st;
 859
 860         if (strcmp(uri, "") == 0)
 861                 return;
 862
 863         /* In case it's a file path. */
 864         if (stat(uri, &st) == 0) {
 865                 rp = realpath(uri, NULL);
 866                 u = g_strdup_printf("file://%s", rp);
 867                 free(rp);
 868         } else {
 869                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 870                     : g_strdup_printf("http://%s", uri);
 871         }
 872
 873         setatom(c, AtomUri, uri);
 874
 875         /* prevents endless loop */
 876         if (strcmp(u, geturi(c)) == 0) {
 877                 reload(c, &a);
 878         } else {
 879                 webkit_web_view_load_uri(c->view, u);
 880                 c->progress = 0;
 881                 c->title = copystr(&c->title, u);
 882                 updatetitle(c);
 883         }
 884         g_free(u);
 885 }
 886
 887 void
 888 navigate(Client *c, const Arg *arg)
 889 {
 890         int steps = *(int *)arg;
 891         webkit_web_view_go_back_or_forward(c->view, steps);
 892 }
 893
 894 Client *
 895 newclient(Client *rc)
 896 {
 897         Client *c;
 898         gdouble dpi;
 899
 900         if (!(c = calloc(1, sizeof(Client))))
 901                 die("Cannot malloc!\n");
 902
 903         c->title = NULL;
 904         c->progress = 100;
 905
 906         c->next = clients;
 907         clients = c;
 908
 909         c->view = newview(c, rc ? rc->view : NULL);
 910         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 911
 912         return c;
 913 }
 914
 915 WebKitWebView *
 916 newview(Client *c, WebKitWebView *rv)
 917 {
 918         WebKitWebView *v;
 919         WebKitSettings *settings;
 920         WebKitUserContentManager *contentmanager;
 921         WebKitWebContext *context;
 922         char *ua;
 923
 924         /* Webview */
 925         if (rv) {
 926                 v = WEBKIT_WEB_VIEW(
 927                     webkit_web_view_new_with_related_view(rv));
 928         } else {
 929                 settings = webkit_settings_new_with_settings(
 930                     "auto-load-images", loadimages,
 931                     "default-font-size", defaultfontsize,
 932                     "enable-caret-browsing", enablecaretbrowsing,
 933                     "enable-developer-extras", enableinspector,
 934                     "enable-dns-prefetching", enablednsprefetching,
 935                     "enable-frame-flattening", enableframeflattening,
 936                     "enable-html5-database", enablecache,
 937                     "enable-html5-local-storage", enablecache,
 938                     "enable-javascript", enablescripts,
 939                     "enable-plugins", enableplugins,
 940                     NULL);
 941                 if (!(ua = getenv("SURF_USERAGENT")))
 942                         ua = useragent;
 943                 webkit_settings_set_user_agent(settings, ua);
 944                 /* Have a look at http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html
 945                  * for more interesting settings */
 946
 947                 contentmanager = webkit_user_content_manager_new();
 948
 949                 context = webkit_web_context_new_with_website_data_manager(
 950                     webkit_website_data_manager_new(
 951                     "base-cache-directory", cachedir,
 952                     "base-data-directory", cachedir,
 953                     NULL));
 954
 955                 /* rendering process model, can be a shared unique one or one for each
 956                  * view */
 957                 webkit_web_context_set_process_model(context,
 958                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
 959                 /* ssl */
 960                 webkit_web_context_set_tls_errors_policy(context, strictssl ?
 961                     WEBKIT_TLS_ERRORS_POLICY_FAIL : WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 962                 /* disk cache */
 963                 webkit_web_context_set_cache_model(context, enablecache ?
 964                     WEBKIT_CACHE_MODEL_WEB_BROWSER : WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 965
 966                 /* Currently only works with text file to be compatible with curl */
 967                 webkit_cookie_manager_set_persistent_storage(
 968                     webkit_web_context_get_cookie_manager(context), cookiefile,
 969                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
 970                 /* cookie policy */
 971                 webkit_cookie_manager_set_accept_policy(
 972                     webkit_web_context_get_cookie_manager(context),
 973                     cookiepolicy_get());
 974
 975                 g_signal_connect(G_OBJECT(context), "download-started",
 976                     G_CALLBACK(downloadstarted), c);
 977
 978                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
 979                     "settings", settings,
 980                     "user-content-manager", contentmanager,
 981                     "web-context", context,
 982                     NULL);
 983         }
 984
 985         g_signal_connect(G_OBJECT(v),
 986                          "notify::title",
 987                          G_CALLBACK(titlechanged), c);
 988         g_signal_connect(G_OBJECT(v),
 989                          "mouse-target-changed",
 990                          G_CALLBACK(mousetargetchanged), c);
 991         g_signal_connect(G_OBJECT(v),
 992                          "permission-request",
 993                          G_CALLBACK(permissionrequested), c);
 994         g_signal_connect(G_OBJECT(v),
 995                          "create",
 996                          G_CALLBACK(createview), c);
 997         g_signal_connect(G_OBJECT(v), "ready-to-show",
 998                          G_CALLBACK(showview), c);
 999         g_signal_connect(G_OBJECT(v),
1000                          "decide-policy",
1001                          G_CALLBACK(decidepolicy), c);
1002         g_signal_connect(G_OBJECT(v),
1003                          "window-object-cleared",
1004                          G_CALLBACK(windowobjectcleared), c);
1005         g_signal_connect(G_OBJECT(v),
1006                          "load-changed",
1007                          G_CALLBACK(loadchanged), c);
1008         g_signal_connect(G_OBJECT(v),
1009                          "notify::estimated-load-progress",
1010                          G_CALLBACK(progresschanged), c);
1011         g_signal_connect(G_OBJECT(v),
1012                          "button-release-event",
1013                          G_CALLBACK(buttonreleased), c);
1014         g_signal_connect(G_OBJECT(v),
1015                          "resource-request-starting",
1016                          G_CALLBACK(beforerequest), c);
1017         g_signal_connect(G_OBJECT(v),
1018                          "should-show-delete-interface-for-element",
1019                          G_CALLBACK(deletion_interface), c);
1020
1021         return v;
1022 }
1023
1024 void
1025 showview(WebKitWebView *v, Client *c)
1026 {
1027         GdkGeometry hints = { 1, 1 };
1028         GdkRGBA bgcolor = { 0 };
1029         GdkWindow *gwin;
1030
1031         /* Window */
1032         if (embed) {
1033                 c->win = gtk_plug_new(embed);
1034         } else {
1035                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1036
1037                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
1038                  * is always correct, so we should still call this function.
1039                  * But when doing so, we *must* differentiate between a
1040                  * WM_CLASS and a resource on the window.  By convention, the
1041                  * window class (WM_CLASS) is capped, while the resource is in
1042                  * lowercase.   Both these values come as a pair.
1043                  */
1044                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
1045
1046                 /* TA:  20091214:  And set the role here as well -- so that
1047                  * sessions can pick this up.
1048                  */
1049                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
1050         }
1051         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
1052         g_signal_connect(G_OBJECT(c->win),
1053                          "destroy",
1054                          G_CALLBACK(destroywin), c);
1055         g_signal_connect(G_OBJECT(c->win),
1056                          "leave_notify_event",
1057                          G_CALLBACK(titlechangeleave), c);
1058
1059         if (!kioskmode)
1060                 addaccelgroup(c);
1061
1062         /* Arranging */
1063         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1064
1065         /* Setup */
1066         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1067         gtk_widget_show(GTK_WIDGET(c->view));
1068         gtk_widget_show(c->win);
1069         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1070         c->xid = gdk_x11_window_get_xid(gwin);
1071         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
1072                                       GDK_HINT_MIN_SIZE);
1073         gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1074         gdk_window_add_filter(gwin, processx, c);
1075
1076         runscript(frame);
1077
1078         /* This might conflict with _zoomto96dpi_. */
1079         if (zoomlevel != 1.0)
1080                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
1081
1082         if (runinfullscreen)
1083                 fullscreen(c, NULL);
1084
1085         setatom(c, AtomFind, "");
1086         setatom(c, AtomUri, "about:blank");
1087         if (hidebackground)
1088                 webkit_web_view_set_background_color(c->view, &bgcolor);
1089
1090         if (showxid) {
1091                 gdk_display_sync(gtk_widget_get_display(c->win));
1092                 printf("%lu\n", c->xid);
1093                 fflush(NULL);
1094                 if (fclose(stdout) != 0) {
1095                         die("Error closing stdout");
1096                 }
1097         }
1098 }
1099
1100 void
1101 newwindow(Client *c, const Arg *arg, gboolean noembed)
1102 {
1103         guint i = 0;
1104         const char *cmd[18], *uri;
1105         const Arg a = { .v = (void *)cmd };
1106         char tmp[64];
1107
1108         cmd[i++] = argv0;
1109         cmd[i++] = "-a";
1110         cmd[i++] = cookiepolicies;
1111         if (!enablescrollbars)
1112                 cmd[i++] = "-b";
1113         if (embed && !noembed) {
1114                 cmd[i++] = "-e";
1115                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1116                 cmd[i++] = tmp;
1117         }
1118         if (!allowgeolocation)
1119                 cmd[i++] = "-g";
1120         if (!loadimages)
1121                 cmd[i++] = "-i";
1122         if (kioskmode)
1123                 cmd[i++] = "-k";
1124         if (!enableplugins)
1125                 cmd[i++] = "-p";
1126         if (!enablescripts)
1127                 cmd[i++] = "-s";
1128         if (showxid)
1129                 cmd[i++] = "-x";
1130         if (enablediskcache)
1131                 cmd[i++] = "-D";
1132         cmd[i++] = "-c";
1133         cmd[i++] = cookiefile;
1134         cmd[i++] = "--";
1135         uri = arg->v ? (char *)arg->v : c->linkhover;
1136         if (uri)
1137                 cmd[i++] = uri;
1138         cmd[i++] = NULL;
1139         spawn(NULL, &a);
1140 }
1141
1142 void
1143 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1144 {
1145         Arg arg = {.v = text };
1146         if (text != NULL)
1147                 loaduri((Client *) d, &arg);
1148 }
1149
1150 void
1151 print(Client *c, const Arg *arg)
1152 {
1153         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
1154 }
1155
1156 GdkFilterReturn
1157 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1158 {
1159         Client *c = (Client *)d;
1160         XPropertyEvent *ev;
1161         Arg arg;
1162
1163         if (((XEvent *)e)->type == PropertyNotify) {
1164                 ev = &((XEvent *)e)->xproperty;
1165                 if (ev->state == PropertyNewValue) {
1166                         if (ev->atom == atoms[AtomFind]) {
1167                                 arg.b = TRUE;
1168                                 find(c, &arg);
1169
1170                                 return GDK_FILTER_REMOVE;
1171                         } else if (ev->atom == atoms[AtomGo]) {
1172                                 arg.v = getatom(c, AtomGo);
1173                                 loaduri(c, &arg);
1174
1175                                 return GDK_FILTER_REMOVE;
1176                         }
1177                 }
1178         }
1179         return GDK_FILTER_CONTINUE;
1180 }
1181
1182 void
1183 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1184 {
1185         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1186             100;
1187         updatetitle(c);
1188 }
1189
1190 void
1191 linkopen(Client *c, const Arg *arg)
1192 {
1193         newwindow(NULL, arg, 1);
1194 }
1195
1196 void
1197 linkopenembed(Client *c, const Arg *arg)
1198 {
1199         newwindow(NULL, arg, 0);
1200 }
1201
1202 void
1203 reload(Client *c, const Arg *arg)
1204 {
1205         gboolean nocache = *(gboolean *)arg;
1206         if (nocache)
1207                 webkit_web_view_reload_bypass_cache(c->view);
1208         else
1209                 webkit_web_view_reload(c->view);
1210 }
1211
1212 void
1213 scroll_h(Client *c, const Arg *arg)
1214 {
1215         scroll(gtk_scrolled_window_get_hadjustment(
1216                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1217 }
1218
1219 void
1220 scroll_v(Client *c, const Arg *arg)
1221 {
1222         scroll(gtk_scrolled_window_get_vadjustment(
1223                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1224 }
1225
1226 void
1227 scroll(GtkAdjustment *a, const Arg *arg)
1228 {
1229         gdouble v;
1230
1231         v = gtk_adjustment_get_value(a);
1232         switch (arg->i) {
1233         case +10000:
1234         case -10000:
1235                 v += gtk_adjustment_get_page_increment(a) * (arg->i / 10000);
1236                 break;
1237         case +20000:
1238         case -20000:
1239         default:
1240                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1241         }
1242
1243         v = MAX(v, 0.0);
1244         v = MIN(v, gtk_adjustment_get_upper(a) -
1245                 gtk_adjustment_get_page_size(a));
1246         gtk_adjustment_set_value(a, v);
1247 }
1248
1249 void
1250 setatom(Client *c, int a, const char *v)
1251 {
1252         XSync(dpy, False);
1253         XChangeProperty(dpy, c->xid,
1254                         atoms[a], XA_STRING, 8, PropModeReplace,
1255                         (unsigned char *)v, strlen(v) + 1);
1256 }
1257
1258 void
1259 setup(void)
1260 {
1261         int i;
1262         char *styledirfile, *stylepath;
1263         WebKitWebContext *context;
1264         GError *error = NULL;
1265
1266         /* clean up any zombies immediately */
1267         sigchld(0);
1268         gtk_init(NULL, NULL);
1269
1270         dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
1271
1272         /* atoms */
1273         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1274         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1275         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1276
1277         /* dirs and files */
1278         cookiefile = buildfile(cookiefile);
1279         scriptfile = buildfile(scriptfile);
1280         cachedir   = buildpath(cachedir);
1281         if (stylefile == NULL) {
1282                 styledir = buildpath(styledir);
1283                 for (i = 0; i < LENGTH(styles); i++) {
1284                         if (regcomp(&(styles[i].re), styles[i].regex,
1285                             REG_EXTENDED)) {
1286                                 fprintf(stderr,
1287                                         "Could not compile regex: %s\n",
1288                                         styles[i].regex);
1289                                 styles[i].regex = NULL;
1290                         }
1291                         styledirfile    = g_strconcat(styledir, "/",
1292                                                       styles[i].style, NULL);
1293                         stylepath       = buildfile(styledirfile);
1294                         styles[i].style = g_strconcat("file://", stylepath,
1295                                                       NULL);
1296                         g_free(styledirfile);
1297                         g_free(stylepath);
1298                 }
1299                 g_free(styledir);
1300         } else {
1301                 stylepath = buildfile(stylefile);
1302                 stylefile = g_strconcat("file://", stylepath, NULL);
1303                 g_free(stylepath);
1304         }
1305 }
1306
1307 void
1308 sigchld(int unused)
1309 {
1310         if (signal(SIGCHLD, sigchld) == SIG_ERR)
1311                 die("Can't install SIGCHLD handler");
1312         while (0 < waitpid(-1, NULL, WNOHANG));
1313 }
1314
1315 void
1316 spawn(Client *c, const Arg *arg)
1317 {
1318         if (fork() == 0) {
1319                 if (dpy)
1320                         close(ConnectionNumber(dpy));
1321                 setsid();
1322                 execvp(((char **)arg->v)[0], (char **)arg->v);
1323                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1324                 perror(" failed");
1325                 exit(0);
1326         }
1327 }
1328
1329 void
1330 eval(Client *c, const Arg *arg)
1331 {
1332         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1333         evalscript(webkit_web_frame_get_global_context(frame),
1334                    ((char **)arg->v)[0], "");
1335 }
1336
1337 void
1338 stop(Client *c, const Arg *arg)
1339 {
1340         webkit_web_view_stop_loading(c->view);
1341 }
1342
1343 void
1344 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1345 {
1346         c->title = webkit_web_view_get_title(c->view);
1347         updatetitle(c);
1348 }
1349
1350 void
1351 titlechangeleave(void *a, void *b, Client *c)
1352 {
1353         c->linkhover = NULL;
1354         updatetitle(c);
1355 }
1356
1357 void
1358 toggle(Client *c, const Arg *arg)
1359 {
1360         WebKitWebSettings *settings;
1361         char *name = (char *)arg->v;
1362         gboolean value;
1363         Arg a = { .b = FALSE };
1364
1365         settings = webkit_web_view_get_settings(c->view);
1366         g_object_get(G_OBJECT(settings), name, &value, NULL);
1367         g_object_set(G_OBJECT(settings), name, !value, NULL);
1368
1369         reload(c, &a);
1370 }
1371
1372 void
1373 togglecookiepolicy(Client *c, const Arg *arg)
1374 {
1375         ++cookiepolicy;
1376         cookiepolicy %= strlen(cookiepolicies);
1377
1378         webkit_cookie_manager_set_accept_policy(
1379             webkit_web_context_get_cookie_manager(
1380             webkit_web_view_get_context(c->view)),
1381             cookiepolicy_get());
1382
1383         updatetitle(c);
1384         /* Do not reload. */
1385 }
1386
1387 void
1388 togglegeolocation(Client *c, const Arg *arg)
1389 {
1390         Arg a = { .b = FALSE };
1391
1392         allowgeolocation ^= 1;
1393         reload(c, &a);
1394 }
1395
1396 void
1397 twitch(Client *c, const Arg *arg)
1398 {
1399         GtkAdjustment *a;
1400         gdouble v;
1401
1402         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(
1403                                                 c->scroll));
1404
1405         v = gtk_adjustment_get_value(a);
1406
1407         v += arg->i;
1408
1409         v = MAX(v, 0.0);
1410         v = MIN(v, gtk_adjustment_get_upper(a) -
1411                 gtk_adjustment_get_page_size(a));
1412         gtk_adjustment_set_value(a, v);
1413 }
1414
1415 void
1416 togglescrollbars(Client *c, const Arg *arg)
1417 {
1418         GtkPolicyType vspolicy;
1419         Arg a;
1420
1421         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL,
1422                                        &vspolicy);
1423
1424         if (vspolicy == GTK_POLICY_AUTOMATIC) {
1425                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1426                                                GTK_POLICY_NEVER,
1427                                                GTK_POLICY_NEVER);
1428         } else {
1429                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1430                                                GTK_POLICY_AUTOMATIC,
1431                                                GTK_POLICY_AUTOMATIC);
1432                 a.i = +1;
1433                 twitch(c, &a);
1434                 a.i = -1;
1435                 twitch(c, &a);
1436         }
1437 }
1438
1439 void
1440 togglestyle(Client *c, const Arg *arg)
1441 {
1442         enablestyle = !enablestyle;
1443         setstyle(c, enablestyle ? getstyle(geturi(c)) : "");
1444
1445         updatetitle(c);
1446 }
1447
1448 void
1449 gettogglestat(Client *c)
1450 {
1451         gboolean value;
1452         int p = 0;
1453         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1454
1455         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1456
1457         g_object_get(G_OBJECT(settings), "enable-caret-browsing", &value,
1458                      NULL);
1459         togglestat[p++] = value? 'C': 'c';
1460
1461         togglestat[p++] = allowgeolocation? 'G': 'g';
1462
1463         togglestat[p++] = enablediskcache? 'D': 'd';
1464
1465         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1466         togglestat[p++] = value? 'I': 'i';
1467
1468         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1469         togglestat[p++] = value? 'S': 's';
1470
1471         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1472         togglestat[p++] = value? 'V': 'v';
1473
1474         togglestat[p++] = enablestyle ? 'M': 'm';
1475
1476         togglestat[p] = '\0';
1477 }
1478
1479 void
1480 getpagestat(Client *c)
1481 {
1482         const char *uri = geturi(c);
1483
1484         pagestats[0] = c->tlsflags > G_TLS_CERTIFICATE_VALIDATE_ALL ? '-' :
1485             c->tlsflags > 0 ? 'U' : 'T';
1486         pagestat[1] = '\0';
1487 }
1488
1489 void
1490 updatetitle(Client *c)
1491 {
1492         char *t;
1493
1494         if (showindicators) {
1495                 gettogglestat(c);
1496                 getpagestat(c);
1497
1498                 if (c->linkhover) {
1499                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1500                                             c->linkhover);
1501                 } else if (c->progress != 100) {
1502                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1503                                             togglestat, pagestat,
1504                                             c->title == NULL ? "" : c->title);
1505                 } else {
1506                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1507                                             c->title == NULL ? "" : c->title);
1508                 }
1509
1510                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1511                 g_free(t);
1512         } else {
1513                 gtk_window_set_title(GTK_WINDOW(c->win), (c->title == NULL) ?
1514                                      "" : c->title);
1515         }
1516 }
1517
1518 void
1519 updatewinid(Client *c)
1520 {
1521         snprintf(winid, LENGTH(winid), "%lu", c->xid);
1522 }
1523
1524 void
1525 usage(void)
1526 {
1527         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
1528             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
1529             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
1530 }
1531
1532 void
1533 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1534                     JSObjectRef win, Client *c)
1535 {
1536         runscript(frame);
1537 }
1538
1539 void
1540 zoom(Client *c, const Arg *arg)
1541 {
1542         c->zoomed = TRUE;
1543         if (arg->i < 0) {
1544                 /* zoom out */
1545                 webkit_web_view_zoom_out(c->view);
1546         } else if (arg->i > 0) {
1547                 /* zoom in */
1548                 webkit_web_view_zoom_in(c->view);
1549         } else {
1550                 /* reset */
1551                 c->zoomed = FALSE;
1552                 webkit_web_view_set_zoom_level(c->view, 1.0);
1553         }
1554 }
1555
1556 int
1557 main(int argc, char *argv[])
1558 {
1559         Arg arg;
1560         Client *c;
1561
1562         memset(&arg, 0, sizeof(arg));
1563
1564         /* command line args */
1565         ARGBEGIN {
1566         case 'a':
1567                 cookiepolicies = EARGF(usage());
1568                 break;
1569         case 'b':
1570                 enablescrollbars = 0;
1571                 break;
1572         case 'B':
1573                 enablescrollbars = 1;
1574                 break;
1575         case 'c':
1576                 cookiefile = EARGF(usage());
1577                 break;
1578         case 'd':
1579                 enablediskcache = 0;
1580                 break;
1581         case 'D':
1582                 enablediskcache = 1;
1583                 break;
1584         case 'e':
1585                 embed = strtol(EARGF(usage()), NULL, 0);
1586                 break;
1587         case 'f':
1588                 runinfullscreen = 0;
1589                 break;
1590         case 'F':
1591                 runinfullscreen = 1;
1592                 break;
1593         case 'g':
1594                 allowgeolocation = 0;
1595                 break;
1596         case 'G':
1597                 allowgeolocation = 1;
1598                 break;
1599         case 'i':
1600                 loadimages = 0;
1601                 break;
1602         case 'I':
1603                 loadimages = 1;
1604                 break;
1605         case 'k':
1606                 kioskmode = 0;
1607                 break;
1608         case 'K':
1609                 kioskmode = 1;
1610                 break;
1611         case 'm':
1612                 enablestyle = 0;
1613                 break;
1614         case 'M':
1615                 enablestyle = 1;
1616                 break;
1617         case 'n':
1618                 enableinspector = 0;
1619                 break;
1620         case 'N':
1621                 enableinspector = 1;
1622                 break;
1623         case 'p':
1624                 enableplugins = 0;
1625                 break;
1626         case 'P':
1627                 enableplugins = 1;
1628                 break;
1629         case 'r':
1630                 scriptfile = EARGF(usage());
1631                 break;
1632         case 's':
1633                 enablescripts = 0;
1634                 break;
1635         case 'S':
1636                 enablescripts = 1;
1637                 break;
1638         case 't':
1639                 stylefile = EARGF(usage());
1640                 break;
1641         case 'u':
1642                 useragent = EARGF(usage());
1643                 break;
1644         case 'v':
1645                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1646                     "see LICENSE for details\n");
1647         case 'x':
1648                 showxid = TRUE;
1649                 break;
1650         case 'z':
1651                 zoomlevel = strtof(EARGF(usage()), NULL);
1652                 break;
1653         default:
1654                 usage();
1655         } ARGEND;
1656         if (argc > 0)
1657                 arg.v = argv[0];
1658
1659         setup();
1660         c = newclient(NULL);
1661         showview(NULL, c);
1662         if (arg.v)
1663                 loaduri(clients, &arg);
1664         else
1665                 updatetitle(c);
1666
1667         gtk_main();
1668         cleanup();
1669
1670         return EXIT_SUCCESS;
1671 }
1672