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