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 #define COOKIEJAR_TYPE          (cookiejar_get_type ())
  37 #define COOKIEJAR(obj)          (G_TYPE_CHECK_INSTANCE_CAST ((obj), COOKIEJAR_TYPE, CookieJar))
  38
  39 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  40 enum {
  41         ClkDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  42         ClkLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  43         ClkImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  44         ClkMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  45         ClkSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  46         ClkEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  47         ClkAny   = ClkDoc | ClkLink | ClkImg | ClkMedia | ClkSel | ClkEdit,
  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, *scroll, *vbox, *pane;
  59         Window xid;
  60         WebKitWebView *view;
  61         WebKitWebInspector *inspector;
  62         char *title, *linkhover;
  63         const char *needle;
  64         gint progress;
  65         struct Client *next;
  66         gboolean zoomed, fullscreen, isinspecting, sslfailed;
  67 } Client;
  68
  69 typedef struct {
  70         guint mod;
  71         guint keyval;
  72         void (*func)(Client *c, const Arg *arg);
  73         const Arg arg;
  74 } Key;
  75
  76 typedef struct {
  77         unsigned int click;
  78         unsigned int mask;
  79         guint button;
  80         void (*func)(Client *c, const Arg *arg);
  81         const Arg arg;
  82 } Button;
  83
  84 typedef struct {
  85         SoupCookieJarText parent_instance;
  86         int lock;
  87 } CookieJar;
  88
  89 typedef struct {
  90         SoupCookieJarTextClass parent_class;
  91 } CookieJarClass;
  92
  93 G_DEFINE_TYPE(CookieJar, cookiejar, SOUP_TYPE_COOKIE_JAR_TEXT)
  94
  95 typedef struct {
  96         char *regex;
  97         char *style;
  98         regex_t re;
  99 } SiteStyle;
 100
 101 static Display *dpy;
 102 static Atom atoms[AtomLast];
 103 static Client *clients = NULL;
 104 static Window embed = 0;
 105 static gboolean showxid = FALSE;
 106 static char winid[64];
 107 static char togglestat[9];
 108 static char pagestat[3];
 109 static GTlsDatabase *tlsdb;
 110 static int policysel = 0;
 111 static char *stylefile = NULL;
 112 static SoupCache *diskcache = NULL;
 113
 114 static void addaccelgroup(Client *c);
 115 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
 116                           WebKitWebResource *r, WebKitNetworkRequest *req,
 117                           WebKitNetworkResponse *resp, Client *c);
 118 static char *buildfile(const char *path);
 119 static char *buildpath(const char *path);
 120 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c);
 121 static void cleanup(void);
 122 static void clipboard(Client *c, const Arg *arg);
 123
 124 /* Cookiejar implementation */
 125 static void cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
 126                               SoupCookie *new_cookie);
 127 static void cookiejar_finalize(GObject *self);
 128 static SoupCookieJarAcceptPolicy cookiepolicy_get(void);
 129 static SoupCookieJar *cookiejar_new(const char *filename, gboolean read_only,
 130                                     SoupCookieJarAcceptPolicy policy);
 131 static void cookiejar_set_property(GObject *self, guint prop_id,
 132     const GValue *value, GParamSpec *pspec);
 133 static char cookiepolicy_set(const SoupCookieJarAcceptPolicy p);
 134
 135 static char *copystr(char **str, const char *src);
 136 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f,
 137                                    Client *c);
 138 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f,
 139                                WebKitNetworkRequest *r, gchar *m,
 140                                WebKitWebPolicyDecision *p, Client *c);
 141 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f,
 142                              WebKitNetworkRequest *r, WebKitWebNavigationAction
 143                              *n, WebKitWebPolicyDecision *p, Client *c);
 144 static gboolean deletion_interface(WebKitWebView *view,
 145                                    WebKitDOMHTMLElement *arg1, Client *c);
 146 static void destroyclient(Client *c);
 147 static void destroywin(GtkWidget* w, Client *c);
 148 static void die(const char *errstr, ...);
 149 static void eval(Client *c, const Arg *arg);
 150 static void find(Client *c, const Arg *arg);
 151 static void fullscreen(Client *c, const Arg *arg);
 152 static void geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 153                                WebKitGeolocationPolicyDecision *d, Client *c);
 154 static const char *getatom(Client *c, int a);
 155 static void gettogglestat(Client *c);
 156 static void getpagestat(Client *c);
 157 static char *geturi(Client *c);
 158 static const gchar *getstyle(const char *uri);
 159 static void setstyle(Client *c, const char *style);
 160
 161 static void handleplumb(Client *c, WebKitWebView *w, const gchar *uri);
 162
 163 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
 164
 165 static void inspector(Client *c, const Arg *arg);
 166 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 167                                     Client *c);
 168 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 169 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 170 static void inspector_finished(WebKitWebInspector *i, Client *c);
 171
 172 static gboolean keypress(GtkAccelGroup *group, GObject *obj, guint key,
 173                          GdkModifierType mods, Client *c);
 174 static void linkhover(WebKitWebView *v, const char* t, const char* l,
 175                       Client *c);
 176 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
 177                              Client *c);
 178 static void loaduri(Client *c, const Arg *arg);
 179 static void navigate(Client *c, const Arg *arg);
 180 static Client *newclient(void);
 181 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 182 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 183 static gboolean contextmenu(WebKitWebView *view, GtkWidget *menu,
 184                             WebKitHitTestResult *target, gboolean keyboard,
 185                             Client *c);
 186 static void menuactivate(GtkMenuItem *item, Client *c);
 187 static void print(Client *c, const Arg *arg);
 188 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 189                                 gpointer d);
 190 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 191 static void linkopen(Client *c, const Arg *arg);
 192 static void linkopenembed(Client *c, const Arg *arg);
 193 static void reload(Client *c, const Arg *arg);
 194 static void scroll_h(Client *c, const Arg *arg);
 195 static void scroll_v(Client *c, const Arg *arg);
 196 static void scroll(GtkAdjustment *a, const Arg *arg);
 197 static void setatom(Client *c, int a, const char *v);
 198 static void setup(void);
 199 static void sigchld(int unused);
 200 static void source(Client *c, const Arg *arg);
 201 static void spawn(Client *c, const Arg *arg);
 202 static void stop(Client *c, const Arg *arg);
 203 static void titlechange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 204 static void titlechangeleave(void *a, void *b, Client *c);
 205 static void toggle(Client *c, const Arg *arg);
 206 static void togglecookiepolicy(Client *c, const Arg *arg);
 207 static void togglegeolocation(Client *c, const Arg *arg);
 208 static void togglescrollbars(Client *c, const Arg *arg);
 209 static void togglestyle(Client *c, const Arg *arg);
 210 static void updatetitle(Client *c);
 211 static void updatewinid(Client *c);
 212 static void usage(void);
 213 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 214                                 JSContextRef js, JSObjectRef win, Client *c);
 215 static void zoom(Client *c, const Arg *arg);
 216
 217 /* configuration, allows nested code to access above variables */
 218 #include "config.h"
 219
 220 void
 221 addaccelgroup(Client *c)
 222 {
 223         int i;
 224         GtkAccelGroup *group = gtk_accel_group_new();
 225         GClosure *closure;
 226
 227         for (i = 0; i < LENGTH(keys); i++) {
 228                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 229                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod, 0,
 230                                         closure);
 231         }
 232         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 233 }
 234
 235 void
 236 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 237               WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 238               Client *c)
 239 {
 240         const gchar *uri = webkit_network_request_get_uri(req);
 241         int i, isascii = 1;
 242
 243         if (g_str_has_suffix(uri, "/favicon.ico"))
 244                 webkit_network_request_set_uri(req, "about:blank");
 245
 246         if (!g_str_has_prefix(uri, "http://")
 247             && !g_str_has_prefix(uri, "https://")
 248             && !g_str_has_prefix(uri, "about:")
 249             && !g_str_has_prefix(uri, "file://")
 250             && !g_str_has_prefix(uri, "data:")
 251             && !g_str_has_prefix(uri, "blob:")
 252             && strlen(uri) > 0) {
 253                 for (i = 0; i < strlen(uri); i++) {
 254                         if (!g_ascii_isprint(uri[i])) {
 255                                 isascii = 0;
 256                                 break;
 257                         }
 258                 }
 259                 if (isascii)
 260                         handleplumb(c, w, uri);
 261         }
 262 }
 263
 264 char *
 265 buildfile(const char *path)
 266 {
 267         char *dname, *bname, *bpath, *fpath;
 268         FILE *f;
 269
 270         dname = g_path_get_dirname(path);
 271         bname = g_path_get_basename(path);
 272
 273         bpath = buildpath(dname);
 274         g_free(dname);
 275
 276         fpath = g_build_filename(bpath, bname, NULL);
 277         g_free(bpath);
 278         g_free(bname);
 279
 280         if (!(f = fopen(fpath, "a")))
 281                 die("Could not open file: %s\n", fpath);
 282
 283         g_chmod(fpath, 0600); /* always */
 284         fclose(f);
 285
 286         return fpath;
 287 }
 288
 289 char *
 290 buildpath(const char *path)
 291 {
 292         struct passwd *pw;
 293         char *apath, *name, *p, *fpath;
 294
 295         if (path[0] == '~') {
 296                 if (path[1] == '/' || path[1] == '\0') {
 297                         p = (char *)&path[1];
 298                         pw = getpwuid(getuid());
 299                 } else {
 300                         if ((p = strchr(path, '/')))
 301                                 name = g_strndup(&path[1], --p - path);
 302                         else
 303                                 name = g_strdup(&path[1]);
 304
 305                         if (!(pw = getpwnam(name))) {
 306                                 die("Can't get user %s home directory: %s.\n",
 307                                     name, path);
 308                         }
 309                         g_free(name);
 310                 }
 311                 apath = g_build_filename(pw->pw_dir, p, NULL);
 312         } else {
 313                 apath = g_strdup(path);
 314         }
 315
 316         /* creating directory */
 317         if (g_mkdir_with_parents(apath, 0700) < 0)
 318                 die("Could not access directory: %s\n", apath);
 319
 320         fpath = realpath(apath, NULL);
 321         g_free(apath);
 322
 323         return fpath;
 324 }
 325
 326 gboolean
 327 buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c)
 328 {
 329         WebKitHitTestResultContext context;
 330         WebKitHitTestResult *result;
 331         Arg arg;
 332         unsigned int i;
 333
 334         result = webkit_web_view_get_hit_test_result(web, e);
 335         g_object_get(result, "context", &context, NULL);
 336         g_object_get(result, "link-uri", &arg.v, NULL);
 337         for (i = 0; i < LENGTH(buttons); i++) {
 338                 if (context & buttons[i].click
 339                     && e->button == buttons[i].button
 340                     && CLEANMASK(e->state) == CLEANMASK(buttons[i].mask)
 341                     && buttons[i].func) {
 342                         buttons[i].func(c, buttons[i].click == ClkLink
 343                             && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
 344                         return true;
 345                 }
 346         }
 347         return false;
 348 }
 349
 350 void
 351 cleanup(void)
 352 {
 353         if (diskcache) {
 354                 soup_cache_flush(diskcache);
 355                 soup_cache_dump(diskcache);
 356         }
 357         while (clients)
 358                 destroyclient(clients);
 359         g_free(cookiefile);
 360         g_free(scriptfile);
 361         g_free(stylefile);
 362 }
 363
 364 void
 365 cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
 366                   SoupCookie *new_cookie)
 367 {
 368         flock(COOKIEJAR(self)->lock, LOCK_EX);
 369         if (new_cookie && !new_cookie->expires && sessiontime) {
 370                 soup_cookie_set_expires(new_cookie,
 371                                         soup_date_new_from_now(sessiontime));
 372         }
 373         SOUP_COOKIE_JAR_CLASS(cookiejar_parent_class)->changed(self,
 374                                                                old_cookie,
 375                                                                new_cookie);
 376         flock(COOKIEJAR(self)->lock, LOCK_UN);
 377 }
 378
 379 void
 380 cookiejar_class_init(CookieJarClass *klass)
 381 {
 382         SOUP_COOKIE_JAR_CLASS(klass)->changed = cookiejar_changed;
 383         G_OBJECT_CLASS(klass)->get_property =
 384             G_OBJECT_CLASS(cookiejar_parent_class)->get_property;
 385         G_OBJECT_CLASS(klass)->set_property = cookiejar_set_property;
 386         G_OBJECT_CLASS(klass)->finalize = cookiejar_finalize;
 387         g_object_class_override_property(G_OBJECT_CLASS(klass), 1, "filename");
 388 }
 389
 390 void
 391 cookiejar_finalize(GObject *self)
 392 {
 393         close(COOKIEJAR(self)->lock);
 394         G_OBJECT_CLASS(cookiejar_parent_class)->finalize(self);
 395 }
 396
 397 void
 398 cookiejar_init(CookieJar *self)
 399 {
 400         self->lock = open(cookiefile, 0);
 401 }
 402
 403 SoupCookieJar *
 404 cookiejar_new(const char *filename, gboolean read_only,
 405               SoupCookieJarAcceptPolicy policy)
 406 {
 407         return g_object_new(COOKIEJAR_TYPE,
 408                             SOUP_COOKIE_JAR_TEXT_FILENAME, filename,
 409                             SOUP_COOKIE_JAR_READ_ONLY, read_only,
 410                             SOUP_COOKIE_JAR_ACCEPT_POLICY, policy, NULL);
 411 }
 412
 413 void
 414 cookiejar_set_property(GObject *self, guint prop_id, const GValue *value,
 415                        GParamSpec *pspec)
 416 {
 417         flock(COOKIEJAR(self)->lock, LOCK_SH);
 418         G_OBJECT_CLASS(cookiejar_parent_class)->set_property(self, prop_id,
 419                                                              value, pspec);
 420         flock(COOKIEJAR(self)->lock, LOCK_UN);
 421 }
 422
 423 SoupCookieJarAcceptPolicy
 424 cookiepolicy_get(void)
 425 {
 426         switch (cookiepolicies[policysel]) {
 427         case 'a':
 428                 return SOUP_COOKIE_JAR_ACCEPT_NEVER;
 429         case '@':
 430                 return SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY;
 431         case 'A':
 432         default:
 433                 break;
 434         }
 435
 436         return SOUP_COOKIE_JAR_ACCEPT_ALWAYS;
 437 }
 438
 439 char
 440 cookiepolicy_set(const SoupCookieJarAcceptPolicy ep)
 441 {
 442         switch (ep) {
 443         case SOUP_COOKIE_JAR_ACCEPT_NEVER:
 444                 return 'a';
 445         case SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY:
 446                 return '@';
 447         case SOUP_COOKIE_JAR_ACCEPT_ALWAYS:
 448         default:
 449                 break;
 450         }
 451
 452         return 'A';
 453 }
 454
 455 void
 456 evalscript(JSContextRef js, char *script, char* scriptname)
 457 {
 458         JSStringRef jsscript, jsscriptname;
 459         JSValueRef exception = NULL;
 460
 461         jsscript = JSStringCreateWithUTF8CString(script);
 462         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 463         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 464                          jsscriptname, 0, &exception);
 465         JSStringRelease(jsscript);
 466         JSStringRelease(jsscriptname);
 467 }
 468
 469 void
 470 runscript(WebKitWebFrame *frame)
 471 {
 472         char *script;
 473         GError *error;
 474
 475         if (g_file_get_contents(scriptfile, &script, NULL, &error)) {
 476                 evalscript(webkit_web_frame_get_global_context(frame), script,
 477                            scriptfile);
 478         }
 479 }
 480
 481 void
 482 clipboard(Client *c, const Arg *arg)
 483 {
 484         gboolean paste = *(gboolean *)arg;
 485
 486         if (paste) {
 487                 gtk_clipboard_request_text(gtk_clipboard_get(
 488                                            GDK_SELECTION_PRIMARY),
 489                                            pasteuri, c);
 490         } else {
 491                 gtk_clipboard_set_text(gtk_clipboard_get(
 492                                        GDK_SELECTION_PRIMARY), c->linkhover
 493                                        ? c->linkhover : geturi(c), -1);
 494         }
 495 }
 496
 497 char *
 498 copystr(char **str, const char *src)
 499 {
 500         char *tmp;
 501         tmp = g_strdup(src);
 502
 503         if (str && *str) {
 504                 g_free(*str);
 505                 *str = tmp;
 506         }
 507         return tmp;
 508 }
 509
 510 WebKitWebView *
 511 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c)
 512 {
 513         Client *n = newclient();
 514         return n->view;
 515 }
 516
 517 gboolean
 518 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r,
 519                gchar *m,  WebKitWebPolicyDecision *p, Client *c)
 520 {
 521         if (!webkit_web_view_can_show_mime_type(v, m)) {
 522                 webkit_web_policy_decision_download(p);
 523                 return TRUE;
 524         }
 525         return FALSE;
 526 }
 527
 528 gboolean
 529 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r,
 530              WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p,
 531              Client *c)
 532 {
 533         Arg arg;
 534
 535         if (webkit_web_navigation_action_get_reason(n)
 536             == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 537                 webkit_web_policy_decision_ignore(p);
 538                 arg.v = (void *)webkit_network_request_get_uri(r);
 539                 newwindow(NULL, &arg, 0);
 540                 return TRUE;
 541         }
 542         return FALSE;
 543 }
 544
 545 gboolean
 546 deletion_interface(WebKitWebView *view, WebKitDOMHTMLElement *arg1, Client *c)
 547 {
 548         return FALSE;
 549 }
 550
 551 void
 552 destroyclient(Client *c)
 553 {
 554         Client *p;
 555
 556         webkit_web_view_stop_loading(c->view);
 557         gtk_widget_destroy(GTK_WIDGET(c->view));
 558         gtk_widget_destroy(c->scroll);
 559         gtk_widget_destroy(c->vbox);
 560         gtk_widget_destroy(c->win);
 561
 562         for (p = clients; p && p->next != c; p = p->next)
 563                 ;
 564         if (p)
 565                 p->next = c->next;
 566         else
 567                 clients = c->next;
 568         free(c);
 569         if (clients == NULL)
 570                 gtk_main_quit();
 571 }
 572
 573 void
 574 destroywin(GtkWidget* w, Client *c)
 575 {
 576         destroyclient(c);
 577 }
 578
 579 void
 580 die(const char *errstr, ...)
 581 {
 582         va_list ap;
 583
 584         va_start(ap, errstr);
 585         vfprintf(stderr, errstr, ap);
 586         va_end(ap);
 587         exit(EXIT_FAILURE);
 588 }
 589
 590 void
 591 find(Client *c, const Arg *arg)
 592 {
 593         const char *s;
 594
 595         s = getatom(c, AtomFind);
 596         gboolean forward = *(gboolean *)arg;
 597         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 598 }
 599
 600 void
 601 fullscreen(Client *c, const Arg *arg)
 602 {
 603         if (c->fullscreen)
 604                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 605         else
 606                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 607         c->fullscreen = !c->fullscreen;
 608 }
 609
 610 void
 611 geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 612                    WebKitGeolocationPolicyDecision *d, Client *c)
 613 {
 614         if (allowgeolocation)
 615                 webkit_geolocation_policy_allow(d);
 616         else
 617                 webkit_geolocation_policy_deny(d);
 618 }
 619
 620 const char *
 621 getatom(Client *c, int a)
 622 {
 623         static char buf[BUFSIZ];
 624         Atom adummy;
 625         int idummy;
 626         unsigned long ldummy;
 627         unsigned char *p = NULL;
 628
 629         XGetWindowProperty(dpy, c->xid,
 630                            atoms[a], 0L, BUFSIZ, False, XA_STRING,
 631                            &adummy, &idummy, &ldummy, &ldummy, &p);
 632         if (p)
 633                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 634         else
 635                 buf[0] = '\0';
 636         XFree(p);
 637
 638         return buf;
 639 }
 640
 641 char *
 642 geturi(Client *c)
 643 {
 644         char *uri;
 645
 646         if (!(uri = (char *)webkit_web_view_get_uri(c->view)))
 647                 uri = "about:blank";
 648         return uri;
 649 }
 650
 651 const gchar *
 652 getstyle(const char *uri)
 653 {
 654         int i;
 655
 656         if (stylefile != NULL)
 657                 return stylefile;
 658
 659         for (i = 0; i < LENGTH(styles); i++) {
 660                 if (styles[i].regex && !regexec(&(styles[i].re), uri, 0,
 661                     NULL, 0))
 662                         return styles[i].style;
 663         }
 664
 665         return "";
 666 }
 667
 668 void
 669 setstyle(Client *c, const char *style)
 670 {
 671         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
 672
 673         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", style, NULL);
 674 }
 675
 676 void
 677 handleplumb(Client *c, WebKitWebView *w, const gchar *uri)
 678 {
 679         Arg arg;
 680
 681         webkit_web_view_stop_loading(w);
 682         arg = (Arg)PLUMB((char *)uri);
 683         spawn(c, &arg);
 684 }
 685
 686 gboolean
 687 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c)
 688 {
 689         Arg arg;
 690
 691         updatewinid(c);
 692         arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
 693         spawn(c, &arg);
 694         return FALSE;
 695 }
 696
 697 void
 698 inspector(Client *c, const Arg *arg)
 699 {
 700         if (enableinspector) {
 701                 if (c->isinspecting)
 702                         webkit_web_inspector_close(c->inspector);
 703                 else
 704                         webkit_web_inspector_show(c->inspector);
 705         }
 706 }
 707
 708 WebKitWebView *
 709 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c)
 710 {
 711         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 712 }
 713
 714 gboolean
 715 inspector_show(WebKitWebInspector *i, Client *c)
 716 {
 717         WebKitWebView *w;
 718
 719         if (c->isinspecting)
 720                 return false;
 721
 722         w = webkit_web_inspector_get_web_view(i);
 723         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 724         gtk_widget_show(GTK_WIDGET(w));
 725         c->isinspecting = true;
 726
 727         return true;
 728 }
 729
 730 gboolean
 731 inspector_close(WebKitWebInspector *i, Client *c)
 732 {
 733         GtkWidget *w;
 734
 735         if (!c->isinspecting)
 736                 return false;
 737
 738         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 739         gtk_widget_hide(w);
 740         gtk_widget_destroy(w);
 741         c->isinspecting = false;
 742
 743         return true;
 744 }
 745
 746 void
 747 inspector_finished(WebKitWebInspector *i, Client *c)
 748 {
 749         g_free(c->inspector);
 750 }
 751
 752 gboolean
 753 keypress(GtkAccelGroup *group, GObject *obj, guint key, GdkModifierType mods,
 754          Client *c)
 755 {
 756         guint i;
 757         gboolean processed = FALSE;
 758
 759         mods = CLEANMASK(mods);
 760         key = gdk_keyval_to_lower(key);
 761         updatewinid(c);
 762         for (i = 0; i < LENGTH(keys); i++) {
 763                 if (key == keys[i].keyval
 764                     && mods == keys[i].mod
 765                     && keys[i].func) {
 766                         keys[i].func(c, &(keys[i].arg));
 767                         processed = TRUE;
 768                 }
 769         }
 770
 771         return processed;
 772 }
 773
 774 void
 775 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c)
 776 {
 777         if (l) {
 778                 c->linkhover = copystr(&c->linkhover, l);
 779         } else if (c->linkhover) {
 780                 free(c->linkhover);
 781                 c->linkhover = NULL;
 782         }
 783         updatetitle(c);
 784 }
 785
 786 void
 787 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c)
 788 {
 789         WebKitWebFrame *frame;
 790         WebKitWebDataSource *src;
 791         WebKitNetworkRequest *request;
 792         SoupMessage *msg;
 793         char *uri;
 794
 795         switch (webkit_web_view_get_load_status (c->view)) {
 796         case WEBKIT_LOAD_COMMITTED:
 797                 uri = geturi(c);
 798                 if (strstr(uri, "https://") == uri) {
 799                         frame = webkit_web_view_get_main_frame(c->view);
 800                         src = webkit_web_frame_get_data_source(frame);
 801                         request = webkit_web_data_source_get_request(src);
 802                         msg = webkit_network_request_get_message(request);
 803                         c->sslfailed = !(soup_message_get_flags(msg)
 804                                        & SOUP_MESSAGE_CERTIFICATE_TRUSTED);
 805                 }
 806                 setatom(c, AtomUri, uri);
 807
 808                 if (enablestyle)
 809                         setstyle(c, getstyle(uri));
 810                 break;
 811         case WEBKIT_LOAD_FINISHED:
 812                 c->progress = 100;
 813                 updatetitle(c);
 814                 if (diskcache) {
 815                         soup_cache_flush(diskcache);
 816                         soup_cache_dump(diskcache);
 817                 }
 818                 break;
 819         default:
 820                 break;
 821         }
 822 }
 823
 824 void
 825 loaduri(Client *c, const Arg *arg)
 826 {
 827         char *u = NULL, *rp;
 828         const char *uri = (char *)arg->v;
 829         Arg a = { .b = FALSE };
 830         struct stat st;
 831
 832         if (strcmp(uri, "") == 0)
 833                 return;
 834
 835         /* In case it's a file path. */
 836         if (stat(uri, &st) == 0) {
 837                 rp = realpath(uri, NULL);
 838                 u = g_strdup_printf("file://%s", rp);
 839                 free(rp);
 840         } else {
 841                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 842                     : g_strdup_printf("http://%s", uri);
 843         }
 844
 845         setatom(c, AtomUri, uri);
 846
 847         /* prevents endless loop */
 848         if (strcmp(u, geturi(c)) == 0) {
 849                 reload(c, &a);
 850         } else {
 851                 webkit_web_view_load_uri(c->view, u);
 852                 c->progress = 0;
 853                 c->title = copystr(&c->title, u);
 854                 updatetitle(c);
 855         }
 856         g_free(u);
 857 }
 858
 859 void
 860 navigate(Client *c, const Arg *arg)
 861 {
 862         int steps = *(int *)arg;
 863         webkit_web_view_go_back_or_forward(c->view, steps);
 864 }
 865
 866 Client *
 867 newclient(void)
 868 {
 869         Client *c;
 870         WebKitWebSettings *settings;
 871         WebKitWebFrame *frame;
 872         GdkGeometry hints = { 1, 1 };
 873         GdkScreen *screen;
 874         GdkWindow *gwin;
 875         gdouble dpi;
 876         char *ua;
 877
 878         if (!(c = calloc(1, sizeof(Client))))
 879                 die("Cannot malloc!\n");
 880
 881         c->title = NULL;
 882         c->progress = 100;
 883
 884         /* Window */
 885         if (embed) {
 886                 c->win = gtk_plug_new(embed);
 887         } else {
 888                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 889
 890                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
 891                  * is always correct, so we should still call this function.
 892                  * But when doing so, we *must* differentiate between a
 893                  * WM_CLASS and a resource on the window.  By convention, the
 894                  * window class (WM_CLASS) is capped, while the resource is in
 895                  * lowercase.   Both these values come as a pair.
 896                  */
 897                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
 898
 899                 /* TA:  20091214:  And set the role here as well -- so that
 900                  * sessions can pick this up.
 901                  */
 902                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
 903         }
 904         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 905         g_signal_connect(G_OBJECT(c->win),
 906                          "destroy",
 907                          G_CALLBACK(destroywin), c);
 908         g_signal_connect(G_OBJECT(c->win),
 909                          "leave_notify_event",
 910                          G_CALLBACK(titlechangeleave), c);
 911
 912         if (!kioskmode)
 913                 addaccelgroup(c);
 914
 915         /* Pane */
 916         c->pane = gtk_paned_new(GTK_ORIENTATION_VERTICAL);
 917
 918         /* VBox */
 919         c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 920         gtk_paned_pack1(GTK_PANED(c->pane), c->vbox, TRUE, TRUE);
 921
 922         /* Webview */
 923         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 924
 925         g_signal_connect(G_OBJECT(c->view),
 926                          "notify::title",
 927                          G_CALLBACK(titlechange), c);
 928         g_signal_connect(G_OBJECT(c->view),
 929                          "hovering-over-link",
 930                          G_CALLBACK(linkhover), c);
 931         g_signal_connect(G_OBJECT(c->view),
 932                          "geolocation-policy-decision-requested",
 933                          G_CALLBACK(geopolicyrequested), c);
 934         g_signal_connect(G_OBJECT(c->view),
 935                          "create-web-view",
 936                          G_CALLBACK(createwindow), c);
 937         g_signal_connect(G_OBJECT(c->view),
 938                          "new-window-policy-decision-requested",
 939                          G_CALLBACK(decidewindow), c);
 940         g_signal_connect(G_OBJECT(c->view),
 941                          "mime-type-policy-decision-requested",
 942                          G_CALLBACK(decidedownload), c);
 943         g_signal_connect(G_OBJECT(c->view),
 944                          "window-object-cleared",
 945                          G_CALLBACK(windowobjectcleared), c);
 946         g_signal_connect(G_OBJECT(c->view),
 947                          "notify::load-status",
 948                          G_CALLBACK(loadstatuschange), c);
 949         g_signal_connect(G_OBJECT(c->view),
 950                          "notify::progress",
 951                          G_CALLBACK(progresschange), c);
 952         g_signal_connect(G_OBJECT(c->view),
 953                          "download-requested",
 954                          G_CALLBACK(initdownload), c);
 955         g_signal_connect(G_OBJECT(c->view),
 956                          "button-release-event",
 957                          G_CALLBACK(buttonrelease), c);
 958         g_signal_connect(G_OBJECT(c->view),
 959                          "context-menu",
 960                          G_CALLBACK(contextmenu), c);
 961         g_signal_connect(G_OBJECT(c->view),
 962                          "resource-request-starting",
 963                          G_CALLBACK(beforerequest), c);
 964         g_signal_connect(G_OBJECT(c->view),
 965                          "should-show-delete-interface-for-element",
 966                          G_CALLBACK(deletion_interface), c);
 967
 968         /* Scrolled Window */
 969         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 970
 971         frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(c->view));
 972         g_signal_connect(G_OBJECT(frame), "scrollbars-policy-changed",
 973                          G_CALLBACK(gtk_true), NULL);
 974
 975         if (!enablescrollbars) {
 976                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 977                                                GTK_POLICY_NEVER,
 978                                                GTK_POLICY_NEVER);
 979         } else {
 980                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 981                                                GTK_POLICY_AUTOMATIC,
 982                                                GTK_POLICY_AUTOMATIC);
 983         }
 984
 985         /* Arranging */
 986         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 987         gtk_container_add(GTK_CONTAINER(c->win), c->pane);
 988         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 989
 990         /* Setup */
 991         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0,
 992                                   GTK_PACK_START);
 993         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 994         gtk_widget_show(c->pane);
 995         gtk_widget_show(c->vbox);
 996         gtk_widget_show(c->scroll);
 997         gtk_widget_show(GTK_WIDGET(c->view));
 998         gtk_widget_show(c->win);
 999         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1000         c->xid = gdk_x11_window_get_xid(gwin);
1001         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
1002                                       GDK_HINT_MIN_SIZE);
1003         gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1004         gdk_window_add_filter(gwin, processx, c);
1005         webkit_web_view_set_full_content_zoom(c->view, TRUE);
1006
1007         runscript(frame);
1008
1009         settings = webkit_web_view_get_settings(c->view);
1010         if (!(ua = getenv("SURF_USERAGENT")))
1011                 ua = useragent;
1012         g_object_set(G_OBJECT(settings), "user-agent", ua, NULL);
1013         g_object_set(G_OBJECT(settings),
1014                      "auto-load-images", loadimages, NULL);
1015         g_object_set(G_OBJECT(settings),
1016                      "enable-plugins", enableplugins, NULL);
1017         g_object_set(G_OBJECT(settings),
1018                      "enable-scripts", enablescripts, NULL);
1019         g_object_set(G_OBJECT(settings),
1020                      "enable-spatial-navigation", enablespatialbrowsing, NULL);
1021         g_object_set(G_OBJECT(settings),
1022                      "enable-developer-extras", enableinspector, NULL);
1023         g_object_set(G_OBJECT(settings),
1024                      "enable-default-context-menu", kioskmode ^ 1, NULL);
1025         g_object_set(G_OBJECT(settings),
1026                      "default-font-size", defaultfontsize, NULL);
1027         g_object_set(G_OBJECT(settings),
1028                      "resizable-text-areas", 1, NULL);
1029         if (enablestyle)
1030                 setstyle(c, getstyle("about:blank"));
1031
1032         /*
1033          * While stupid, CSS specifies that a pixel represents 1/96 of an inch.
1034          * This ensures websites are not unusably small with a high DPI screen.
1035          * It is equivalent to firefox's "layout.css.devPixelsPerPx" setting.
1036          */
1037         if (zoomto96dpi) {
1038                 screen = gdk_window_get_screen(gwin);
1039                 dpi = gdk_screen_get_resolution(screen);
1040                 if (dpi != -1) {
1041                         g_object_set(G_OBJECT(settings),
1042                                      "enforce-96-dpi", true, NULL);
1043                         webkit_web_view_set_zoom_level(c->view, dpi/96);
1044                 }
1045         }
1046         /* This might conflict with _zoomto96dpi_. */
1047         if (zoomlevel != 1.0)
1048                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
1049
1050         if (enableinspector) {
1051                 c->inspector = webkit_web_view_get_inspector(c->view);
1052                 g_signal_connect(G_OBJECT(c->inspector), "inspect-web-view",
1053                                  G_CALLBACK(inspector_new), c);
1054                 g_signal_connect(G_OBJECT(c->inspector), "show-window",
1055                                  G_CALLBACK(inspector_show), c);
1056                 g_signal_connect(G_OBJECT(c->inspector), "close-window",
1057                                  G_CALLBACK(inspector_close), c);
1058                 g_signal_connect(G_OBJECT(c->inspector), "finished",
1059                                  G_CALLBACK(inspector_finished), c);
1060                 c->isinspecting = false;
1061         }
1062
1063         if (runinfullscreen)
1064                 fullscreen(c, NULL);
1065
1066         setatom(c, AtomFind, "");
1067         setatom(c, AtomUri, "about:blank");
1068         if (hidebackground)
1069                 webkit_web_view_set_transparent(c->view, TRUE);
1070
1071         c->next = clients;
1072         clients = c;
1073
1074         if (showxid) {
1075                 gdk_display_sync(gtk_widget_get_display(c->win));
1076                 printf("%lu\n", c->xid);
1077                 fflush(NULL);
1078                 if (fclose(stdout) != 0) {
1079                         die("Error closing stdout");
1080                 }
1081         }
1082
1083         return c;
1084 }
1085
1086 void
1087 newwindow(Client *c, const Arg *arg, gboolean noembed)
1088 {
1089         guint i = 0;
1090         const char *cmd[18], *uri;
1091         const Arg a = { .v = (void *)cmd };
1092         char tmp[64];
1093
1094         cmd[i++] = argv0;
1095         cmd[i++] = "-a";
1096         cmd[i++] = cookiepolicies;
1097         if (!enablescrollbars)
1098                 cmd[i++] = "-b";
1099         if (embed && !noembed) {
1100                 cmd[i++] = "-e";
1101                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1102                 cmd[i++] = tmp;
1103         }
1104         if (!allowgeolocation)
1105                 cmd[i++] = "-g";
1106         if (!loadimages)
1107                 cmd[i++] = "-i";
1108         if (kioskmode)
1109                 cmd[i++] = "-k";
1110         if (!enableplugins)
1111                 cmd[i++] = "-p";
1112         if (!enablescripts)
1113                 cmd[i++] = "-s";
1114         if (showxid)
1115                 cmd[i++] = "-x";
1116         if (enablediskcache)
1117                 cmd[i++] = "-D";
1118         cmd[i++] = "-c";
1119         cmd[i++] = cookiefile;
1120         cmd[i++] = "--";
1121         uri = arg->v ? (char *)arg->v : c->linkhover;
1122         if (uri)
1123                 cmd[i++] = uri;
1124         cmd[i++] = NULL;
1125         spawn(NULL, &a);
1126 }
1127
1128 gboolean
1129 contextmenu(WebKitWebView *view, GtkWidget *menu, WebKitHitTestResult *target,
1130             gboolean keyboard, Client *c)
1131 {
1132         GList *items = gtk_container_get_children(GTK_CONTAINER(GTK_MENU(menu)));
1133
1134         for (GList *l = items; l; l = l->next)
1135                 g_signal_connect(l->data, "activate", G_CALLBACK(menuactivate), c);
1136
1137         g_list_free(items);
1138         return FALSE;
1139 }
1140
1141 void
1142 menuactivate(GtkMenuItem *item, Client *c)
1143 {
1144         /*
1145          * context-menu-action-2000 open link
1146          * context-menu-action-1    open link in window
1147          * context-menu-action-2    download linked file
1148          * context-menu-action-3    copy link location
1149          * context-menu-action-7    copy image address
1150          * context-menu-action-13   reload
1151          * context-menu-action-10   back
1152          * context-menu-action-11   forward
1153          * context-menu-action-12   stop
1154          */
1155
1156         const gchar *name, *uri;
1157         GtkClipboard *prisel, *clpbrd;
1158
1159         name = gtk_actionable_get_action_name(GTK_ACTIONABLE(item));
1160         if (name == NULL)
1161                 return;
1162
1163         if (!g_strcmp0(name, "context-menu-action-3")) {
1164                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1165                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
1166         } else if (!g_strcmp0(name, "context-menu-action-7")) {
1167                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1168                 clpbrd = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1169                 uri = gtk_clipboard_wait_for_text(clpbrd);
1170                 if (uri)
1171                         gtk_clipboard_set_text(prisel, uri, -1);
1172         }
1173 }
1174
1175 void
1176 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1177 {
1178         Arg arg = {.v = text };
1179         if (text != NULL)
1180                 loaduri((Client *) d, &arg);
1181 }
1182
1183 void
1184 print(Client *c, const Arg *arg)
1185 {
1186         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
1187 }
1188
1189 GdkFilterReturn
1190 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1191 {
1192         Client *c = (Client *)d;
1193         XPropertyEvent *ev;
1194         Arg arg;
1195
1196         if (((XEvent *)e)->type == PropertyNotify) {
1197                 ev = &((XEvent *)e)->xproperty;
1198                 if (ev->state == PropertyNewValue) {
1199                         if (ev->atom == atoms[AtomFind]) {
1200                                 arg.b = TRUE;
1201                                 find(c, &arg);
1202
1203                                 return GDK_FILTER_REMOVE;
1204                         } else if (ev->atom == atoms[AtomGo]) {
1205                                 arg.v = getatom(c, AtomGo);
1206                                 loaduri(c, &arg);
1207
1208                                 return GDK_FILTER_REMOVE;
1209                         }
1210                 }
1211         }
1212         return GDK_FILTER_CONTINUE;
1213 }
1214
1215 void
1216 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c)
1217 {
1218         c->progress = webkit_web_view_get_progress(c->view) * 100;
1219         updatetitle(c);
1220 }
1221
1222 void
1223 linkopen(Client *c, const Arg *arg)
1224 {
1225         newwindow(NULL, arg, 1);
1226 }
1227
1228 void
1229 linkopenembed(Client *c, const Arg *arg)
1230 {
1231         newwindow(NULL, arg, 0);
1232 }
1233
1234 void
1235 reload(Client *c, const Arg *arg)
1236 {
1237         gboolean nocache = *(gboolean *)arg;
1238         if (nocache)
1239                 webkit_web_view_reload_bypass_cache(c->view);
1240         else
1241                 webkit_web_view_reload(c->view);
1242 }
1243
1244 void
1245 scroll_h(Client *c, const Arg *arg)
1246 {
1247         scroll(gtk_scrolled_window_get_hadjustment(
1248                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1249 }
1250
1251 void
1252 scroll_v(Client *c, const Arg *arg)
1253 {
1254         scroll(gtk_scrolled_window_get_vadjustment(
1255                GTK_SCROLLED_WINDOW(c->scroll)), arg);
1256 }
1257
1258 void
1259 scroll(GtkAdjustment *a, const Arg *arg)
1260 {
1261         gdouble v;
1262
1263         v = gtk_adjustment_get_value(a);
1264         switch (arg->i) {
1265         case +10000:
1266         case -10000:
1267                 v += gtk_adjustment_get_page_increment(a) * (arg->i / 10000);
1268                 break;
1269         case +20000:
1270         case -20000:
1271         default:
1272                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1273         }
1274
1275         v = MAX(v, 0.0);
1276         v = MIN(v, gtk_adjustment_get_upper(a) -
1277                 gtk_adjustment_get_page_size(a));
1278         gtk_adjustment_set_value(a, v);
1279 }
1280
1281 void
1282 setatom(Client *c, int a, const char *v)
1283 {
1284         XSync(dpy, False);
1285         XChangeProperty(dpy, c->xid,
1286                         atoms[a], XA_STRING, 8, PropModeReplace,
1287                         (unsigned char *)v, strlen(v) + 1);
1288 }
1289
1290 void
1291 setup(void)
1292 {
1293         int i;
1294         char *styledirfile, *stylepath;
1295         SoupSession *s;
1296         GError *error = NULL;
1297
1298         /* clean up any zombies immediately */
1299         sigchld(0);
1300         gtk_init(NULL, NULL);
1301
1302         dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
1303
1304         /* atoms */
1305         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1306         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1307         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1308
1309         /* dirs and files */
1310         cookiefile = buildfile(cookiefile);
1311         scriptfile = buildfile(scriptfile);
1312         cachefolder = buildpath(cachefolder);
1313         if (stylefile == NULL) {
1314                 styledir = buildpath(styledir);
1315                 for (i = 0; i < LENGTH(styles); i++) {
1316                         if (regcomp(&(styles[i].re), styles[i].regex,
1317                             REG_EXTENDED)) {
1318                                 fprintf(stderr,
1319                                         "Could not compile regex: %s\n",
1320                                         styles[i].regex);
1321                                 styles[i].regex = NULL;
1322                         }
1323                         styledirfile    = g_strconcat(styledir, "/",
1324                                                       styles[i].style, NULL);
1325                         stylepath       = buildfile(styledirfile);
1326                         styles[i].style = g_strconcat("file://", stylepath,
1327                                                       NULL);
1328                         g_free(styledirfile);
1329                         g_free(stylepath);
1330                 }
1331                 g_free(styledir);
1332         } else {
1333                 stylepath = buildfile(stylefile);
1334                 stylefile = g_strconcat("file://", stylepath, NULL);
1335                 g_free(stylepath);
1336         }
1337
1338         /* request handler */
1339         s = webkit_get_default_session();
1340
1341         /* cookie jar */
1342         soup_session_add_feature(s,
1343                                  SOUP_SESSION_FEATURE(cookiejar_new(cookiefile,
1344                                  FALSE, cookiepolicy_get())));
1345
1346         /* disk cache */
1347         if (enablediskcache) {
1348                 diskcache = soup_cache_new(cachefolder,
1349                                            SOUP_CACHE_SINGLE_USER);
1350                 soup_cache_set_max_size(diskcache, diskcachebytes);
1351                 soup_cache_load(diskcache);
1352                 soup_session_add_feature(s, SOUP_SESSION_FEATURE(diskcache));
1353         }
1354
1355         /* ssl */
1356         tlsdb = g_tls_file_database_new(cafile, &error);
1357
1358         if (error) {
1359                 g_warning("Error loading SSL database %s: %s", cafile,
1360                           error->message);
1361                 g_error_free(error);
1362         }
1363         g_object_set(G_OBJECT(s), "tls-database", tlsdb, NULL);
1364         g_object_set(G_OBJECT(s), "ssl-strict", strictssl, NULL);
1365 }
1366
1367 void
1368 sigchld(int unused)
1369 {
1370         if (signal(SIGCHLD, sigchld) == SIG_ERR)
1371                 die("Can't install SIGCHLD handler");
1372         while (0 < waitpid(-1, NULL, WNOHANG));
1373 }
1374
1375 void
1376 source(Client *c, const Arg *arg)
1377 {
1378         Arg a = { .b = FALSE };
1379         gboolean s;
1380
1381         s = webkit_web_view_get_view_source_mode(c->view);
1382         webkit_web_view_set_view_source_mode(c->view, !s);
1383         reload(c, &a);
1384 }
1385
1386 void
1387 spawn(Client *c, const Arg *arg)
1388 {
1389         if (fork() == 0) {
1390                 if (dpy)
1391                         close(ConnectionNumber(dpy));
1392                 setsid();
1393                 execvp(((char **)arg->v)[0], (char **)arg->v);
1394                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1395                 perror(" failed");
1396                 exit(0);
1397         }
1398 }
1399
1400 void
1401 eval(Client *c, const Arg *arg)
1402 {
1403         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1404         evalscript(webkit_web_frame_get_global_context(frame),
1405                    ((char **)arg->v)[0], "");
1406 }
1407
1408 void
1409 stop(Client *c, const Arg *arg)
1410 {
1411         webkit_web_view_stop_loading(c->view);
1412 }
1413
1414 void
1415 titlechange(WebKitWebView *view, GParamSpec *pspec, Client *c)
1416 {
1417         const gchar *t = webkit_web_view_get_title(view);
1418         if (t) {
1419                 c->title = copystr(&c->title, t);
1420                 updatetitle(c);
1421         }
1422 }
1423
1424 void
1425 titlechangeleave(void *a, void *b, Client *c)
1426 {
1427         c->linkhover = NULL;
1428         updatetitle(c);
1429 }
1430
1431 void
1432 toggle(Client *c, const Arg *arg)
1433 {
1434         WebKitWebSettings *settings;
1435         char *name = (char *)arg->v;
1436         gboolean value;
1437         Arg a = { .b = FALSE };
1438
1439         settings = webkit_web_view_get_settings(c->view);
1440         g_object_get(G_OBJECT(settings), name, &value, NULL);
1441         g_object_set(G_OBJECT(settings), name, !value, NULL);
1442
1443         reload(c, &a);
1444 }
1445
1446 void
1447 togglecookiepolicy(Client *c, const Arg *arg)
1448 {
1449         SoupCookieJar *jar;
1450         SoupCookieJarAcceptPolicy policy;
1451
1452         jar = SOUP_COOKIE_JAR(soup_session_get_feature(
1453                               webkit_get_default_session(),
1454                               SOUP_TYPE_COOKIE_JAR));
1455         g_object_get(G_OBJECT(jar), "accept-policy", &policy, NULL);
1456
1457         policysel++;
1458         if (policysel >= strlen(cookiepolicies))
1459                 policysel = 0;
1460
1461         g_object_set(G_OBJECT(jar), "accept-policy", cookiepolicy_get(), NULL);
1462
1463         updatetitle(c);
1464         /* Do not reload. */
1465 }
1466
1467 void
1468 togglegeolocation(Client *c, const Arg *arg)
1469 {
1470         Arg a = { .b = FALSE };
1471
1472         allowgeolocation ^= 1;
1473         reload(c, &a);
1474 }
1475
1476 void
1477 twitch(Client *c, const Arg *arg)
1478 {
1479         GtkAdjustment *a;
1480         gdouble v;
1481
1482         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(
1483                                                 c->scroll));
1484
1485         v = gtk_adjustment_get_value(a);
1486
1487         v += arg->i;
1488
1489         v = MAX(v, 0.0);
1490         v = MIN(v, gtk_adjustment_get_upper(a) -
1491                 gtk_adjustment_get_page_size(a));
1492         gtk_adjustment_set_value(a, v);
1493 }
1494
1495 void
1496 togglescrollbars(Client *c, const Arg *arg)
1497 {
1498         GtkPolicyType vspolicy;
1499         Arg a;
1500
1501         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL,
1502                                        &vspolicy);
1503
1504         if (vspolicy == GTK_POLICY_AUTOMATIC) {
1505                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1506                                                GTK_POLICY_NEVER,
1507                                                GTK_POLICY_NEVER);
1508         } else {
1509                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1510                                                GTK_POLICY_AUTOMATIC,
1511                                                GTK_POLICY_AUTOMATIC);
1512                 a.i = +1;
1513                 twitch(c, &a);
1514                 a.i = -1;
1515                 twitch(c, &a);
1516         }
1517 }
1518
1519 void
1520 togglestyle(Client *c, const Arg *arg)
1521 {
1522         enablestyle = !enablestyle;
1523         setstyle(c, enablestyle ? getstyle(geturi(c)) : "");
1524
1525         updatetitle(c);
1526 }
1527
1528 void
1529 gettogglestat(Client *c)
1530 {
1531         gboolean value;
1532         int p = 0;
1533         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1534
1535         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1536
1537         g_object_get(G_OBJECT(settings), "enable-caret-browsing", &value,
1538                      NULL);
1539         togglestat[p++] = value? 'C': 'c';
1540
1541         togglestat[p++] = allowgeolocation? 'G': 'g';
1542
1543         togglestat[p++] = enablediskcache? 'D': 'd';
1544
1545         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1546         togglestat[p++] = value? 'I': 'i';
1547
1548         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1549         togglestat[p++] = value? 'S': 's';
1550
1551         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1552         togglestat[p++] = value? 'V': 'v';
1553
1554         togglestat[p++] = enablestyle ? 'M': 'm';
1555
1556         togglestat[p] = '\0';
1557 }
1558
1559 void
1560 getpagestat(Client *c)
1561 {
1562         const char *uri = geturi(c);
1563
1564         if (strstr(uri, "https://") == uri)
1565                 pagestat[0] = c->sslfailed ? 'U' : 'T';
1566         else
1567                 pagestat[0] = '-';
1568
1569         pagestat[1] = '\0';
1570 }
1571
1572 void
1573 updatetitle(Client *c)
1574 {
1575         char *t;
1576
1577         if (showindicators) {
1578                 gettogglestat(c);
1579                 getpagestat(c);
1580
1581                 if (c->linkhover) {
1582                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1583                                             c->linkhover);
1584                 } else if (c->progress != 100) {
1585                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1586                                             togglestat, pagestat,
1587                                             c->title == NULL ? "" : c->title);
1588                 } else {
1589                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1590                                             c->title == NULL ? "" : c->title);
1591                 }
1592
1593                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1594                 g_free(t);
1595         } else {
1596                 gtk_window_set_title(GTK_WINDOW(c->win), (c->title == NULL) ?
1597                                      "" : c->title);
1598         }
1599 }
1600
1601 void
1602 updatewinid(Client *c)
1603 {
1604         snprintf(winid, LENGTH(winid), "%lu", c->xid);
1605 }
1606
1607 void
1608 usage(void)
1609 {
1610         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
1611             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
1612             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
1613 }
1614
1615 void
1616 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1617                     JSObjectRef win, Client *c)
1618 {
1619         runscript(frame);
1620 }
1621
1622 void
1623 zoom(Client *c, const Arg *arg)
1624 {
1625         c->zoomed = TRUE;
1626         if (arg->i < 0) {
1627                 /* zoom out */
1628                 webkit_web_view_zoom_out(c->view);
1629         } else if (arg->i > 0) {
1630                 /* zoom in */
1631                 webkit_web_view_zoom_in(c->view);
1632         } else {
1633                 /* reset */
1634                 c->zoomed = FALSE;
1635                 webkit_web_view_set_zoom_level(c->view, 1.0);
1636         }
1637 }
1638
1639 int
1640 main(int argc, char *argv[])
1641 {
1642         Arg arg;
1643         Client *c;
1644
1645         memset(&arg, 0, sizeof(arg));
1646
1647         /* command line args */
1648         ARGBEGIN {
1649         case 'a':
1650                 cookiepolicies = EARGF(usage());
1651                 break;
1652         case 'b':
1653                 enablescrollbars = 0;
1654                 break;
1655         case 'B':
1656                 enablescrollbars = 1;
1657                 break;
1658         case 'c':
1659                 cookiefile = EARGF(usage());
1660                 break;
1661         case 'd':
1662                 enablediskcache = 0;
1663                 break;
1664         case 'D':
1665                 enablediskcache = 1;
1666                 break;
1667         case 'e':
1668                 embed = strtol(EARGF(usage()), NULL, 0);
1669                 break;
1670         case 'f':
1671                 runinfullscreen = 0;
1672                 break;
1673         case 'F':
1674                 runinfullscreen = 1;
1675                 break;
1676         case 'g':
1677                 allowgeolocation = 0;
1678                 break;
1679         case 'G':
1680                 allowgeolocation = 1;
1681                 break;
1682         case 'i':
1683                 loadimages = 0;
1684                 break;
1685         case 'I':
1686                 loadimages = 1;
1687                 break;
1688         case 'k':
1689                 kioskmode = 0;
1690                 break;
1691         case 'K':
1692                 kioskmode = 1;
1693                 break;
1694         case 'm':
1695                 enablestyle = 0;
1696                 break;
1697         case 'M':
1698                 enablestyle = 1;
1699                 break;
1700         case 'n':
1701                 enableinspector = 0;
1702                 break;
1703         case 'N':
1704                 enableinspector = 1;
1705                 break;
1706         case 'p':
1707                 enableplugins = 0;
1708                 break;
1709         case 'P':
1710                 enableplugins = 1;
1711                 break;
1712         case 'r':
1713                 scriptfile = EARGF(usage());
1714                 break;
1715         case 's':
1716                 enablescripts = 0;
1717                 break;
1718         case 'S':
1719                 enablescripts = 1;
1720                 break;
1721         case 't':
1722                 stylefile = EARGF(usage());
1723                 break;
1724         case 'u':
1725                 useragent = EARGF(usage());
1726                 break;
1727         case 'v':
1728                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1729                     "see LICENSE for details\n");
1730         case 'x':
1731                 showxid = TRUE;
1732                 break;
1733         case 'z':
1734                 zoomlevel = strtof(EARGF(usage()), NULL);
1735                 break;
1736         default:
1737                 usage();
1738         } ARGEND;
1739         if (argc > 0)
1740                 arg.v = argv[0];
1741
1742         setup();
1743         c = newclient();
1744         if (arg.v)
1745                 loaduri(clients, &arg);
1746         else
1747                 updatetitle(c);
1748
1749         gtk_main();
1750         cleanup();
1751
1752         return EXIT_SUCCESS;
1753 }
1754