surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5
   6 #include <signal.h>
   7 #include <X11/X.h>
   8 #include <X11/Xatom.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 <webkit/webkit.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
  28 #include "arg.h"
  29
  30 char *argv0;
  31
  32 #define LENGTH(x)               (sizeof x / sizeof x[0])
  33 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  34 #define COOKIEJAR_TYPE          (cookiejar_get_type ())
  35 #define COOKIEJAR(obj)          (G_TYPE_CHECK_INSTANCE_CAST ((obj), COOKIEJAR_TYPE, CookieJar))
  36
  37 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  38
  39 typedef union Arg Arg;
  40 union Arg {
  41         gboolean b;
  42         gint i;
  43         const void *v;
  44 };
  45
  46 typedef struct Client {
  47         GtkWidget *win, *scroll, *vbox, *pane;
  48         WebKitWebView *view;
  49         WebKitWebInspector *inspector;
  50         char *title, *linkhover;
  51         const char *needle;
  52         gint progress;
  53         struct Client *next;
  54         gboolean zoomed, fullscreen, isinspecting, sslfailed;
  55 } Client;
  56
  57 typedef struct {
  58         guint mod;
  59         guint keyval;
  60         void (*func)(Client *c, const Arg *arg);
  61         const Arg arg;
  62 } Key;
  63
  64 typedef struct {
  65         SoupCookieJarText parent_instance;
  66         int lock;
  67 } CookieJar;
  68
  69 typedef struct {
  70         SoupCookieJarTextClass parent_class;
  71 } CookieJarClass;
  72
  73 G_DEFINE_TYPE(CookieJar, cookiejar, SOUP_TYPE_COOKIE_JAR_TEXT)
  74
  75 typedef struct {
  76         char *regex;
  77         char *style;
  78         regex_t re;
  79 } SiteStyle;
  80
  81 static Display *dpy;
  82 static Atom atoms[AtomLast];
  83 static Client *clients = NULL;
  84 static GdkNativeWindow embed = 0;
  85 static gboolean showxid = FALSE;
  86 static char winid[64];
  87 static gboolean usingproxy = 0;
  88 static char togglestat[9];
  89 static char pagestat[3];
  90 static GTlsDatabase *tlsdb;
  91 static int policysel = 0;
  92 static char *stylefile = NULL;
  93 static SoupCache *diskcache = NULL;
  94
  95 static void addaccelgroup(Client *c);
  96 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
  97                 WebKitWebResource *r, WebKitNetworkRequest *req,
  98                 WebKitNetworkResponse *resp, Client *c);
  99 static char *buildpath(const char *path);
 100 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e,
 101                 GList *gl);
 102 static void cleanup(void);
 103 static void clipboard(Client *c, const Arg *arg);
 104
 105 /* Cookiejar implementation */
 106 static void cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
 107                 SoupCookie *new_cookie);
 108 static void cookiejar_finalize(GObject *self);
 109 static SoupCookieJarAcceptPolicy cookiepolicy_get(void);
 110 static SoupCookieJar *cookiejar_new(const char *filename, gboolean read_only,
 111                 SoupCookieJarAcceptPolicy policy);
 112 static void cookiejar_set_property(GObject *self, guint prop_id,
 113                 const GValue *value, GParamSpec *pspec);
 114 static char cookiepolicy_set(const SoupCookieJarAcceptPolicy p);
 115
 116 static char *copystr(char **str, const char *src);
 117 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f,
 118                 Client *c);
 119 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f,
 120                 WebKitNetworkRequest *r, gchar *m,  WebKitWebPolicyDecision *p,
 121                 Client *c);
 122 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f,
 123                 WebKitNetworkRequest *r, WebKitWebNavigationAction *n,
 124                 WebKitWebPolicyDecision *p, Client *c);
 125 static gboolean deletion_interface(WebKitWebView *view,
 126                 WebKitDOMHTMLElement *arg1, Client *c);
 127 static void destroyclient(Client *c);
 128 static void destroywin(GtkWidget* w, Client *c);
 129 static void die(const char *errstr, ...);
 130 static void eval(Client *c, const Arg *arg);
 131 static void find(Client *c, const Arg *arg);
 132 static void fullscreen(Client *c, const Arg *arg);
 133 static void geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 134                 WebKitGeolocationPolicyDecision *d, Client *c);
 135 static const char *getatom(Client *c, int a);
 136 static void gettogglestat(Client *c);
 137 static void getpagestat(Client *c);
 138 static char *geturi(Client *c);
 139 static gchar *getstyle(const char *uri);
 140
 141 static void handleplumb(Client *c, WebKitWebView *w, const gchar *uri);
 142
 143 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
 144
 145 static void inspector(Client *c, const Arg *arg);
 146 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 147                 Client *c);
 148 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 149 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 150 static void inspector_finished(WebKitWebInspector *i, Client *c);
 151
 152 static gboolean keypress(GtkAccelGroup *group,
 153                 GObject *obj, guint key, GdkModifierType mods,
 154                 Client *c);
 155 static void linkhover(WebKitWebView *v, const char* t, const char* l,
 156                 Client *c);
 157 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
 158                 Client *c);
 159 static void loaduri(Client *c, const Arg *arg);
 160 static void navigate(Client *c, const Arg *arg);
 161 static Client *newclient(void);
 162 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 163 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 164 static gboolean contextmenu(WebKitWebView *view, GtkWidget *menu,
 165                 WebKitHitTestResult *target, gboolean keyboard, Client *c);
 166 static void menuactivate(GtkMenuItem *item, Client *c);
 167 static void print(Client *c, const Arg *arg);
 168 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 169                 gpointer d);
 170 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 171 static void reload(Client *c, const Arg *arg);
 172 static void scroll_h(Client *c, const Arg *arg);
 173 static void scroll_v(Client *c, const Arg *arg);
 174 static void scroll(GtkAdjustment *a, const Arg *arg);
 175 static void setatom(Client *c, int a, const char *v);
 176 static void setup(void);
 177 static void sigchld(int unused);
 178 static void source(Client *c, const Arg *arg);
 179 static void spawn(Client *c, const Arg *arg);
 180 static void stop(Client *c, const Arg *arg);
 181 static void titlechange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 182 static void titlechangeleave(void *a, void *b, Client *c);
 183 static void toggle(Client *c, const Arg *arg);
 184 static void togglecookiepolicy(Client *c, const Arg *arg);
 185 static void togglegeolocation(Client *c, const Arg *arg);
 186 static void togglescrollbars(Client *c, const Arg *arg);
 187 static void togglestyle(Client *c, const Arg *arg);
 188 static void updatetitle(Client *c);
 189 static void updatewinid(Client *c);
 190 static void usage(void);
 191 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 192                 JSContextRef js, JSObjectRef win, Client *c);
 193 static void zoom(Client *c, const Arg *arg);
 194
 195 /* configuration, allows nested code to access above variables */
 196 #include "config.h"
 197
 198 static void
 199 addaccelgroup(Client *c) {
 200         int i;
 201         GtkAccelGroup *group = gtk_accel_group_new();
 202         GClosure *closure;
 203
 204         for(i = 0; i < LENGTH(keys); i++) {
 205                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 206                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod,
 207                                 0, closure);
 208         }
 209         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 210 }
 211
 212 static void
 213 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 214                 WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 215                 Client *c) {
 216         const gchar *uri = webkit_network_request_get_uri(req);
 217         int i, isascii = 1;
 218
 219         if(g_str_has_suffix(uri, "/favicon.ico"))
 220                 webkit_network_request_set_uri(req, "about:blank");
 221
 222         if(!g_str_has_prefix(uri, "http://") \
 223                         && !g_str_has_prefix(uri, "https://") \
 224                         && !g_str_has_prefix(uri, "about:") \
 225                         && !g_str_has_prefix(uri, "file://") \
 226                         && !g_str_has_prefix(uri, "data:") \
 227                         && !g_str_has_prefix(uri, "blob:") \
 228                         && strlen(uri) > 0) {
 229
 230                 for(i = 0; i < strlen(uri); i++) {
 231                         if(!g_ascii_isprint(uri[i])) {
 232                                 isascii = 0;
 233                                 break;
 234                         }
 235                 }
 236                 if(isascii)
 237                         handleplumb(c, w, uri);
 238         }
 239 }
 240
 241 static char *
 242 buildpath(const char *path) {
 243         char *apath, *p;
 244         FILE *f;
 245
 246         /* creating directory */
 247         if(path[0] == '/') {
 248                 apath = g_strdup(path);
 249         } else if(path[0] == '~') {
 250                 if(path[1] == '/') {
 251                         apath = g_strconcat(g_get_home_dir(), &path[1], NULL);
 252                 } else {
 253                         apath = g_strconcat(g_get_home_dir(), "/",
 254                                         &path[1], NULL);
 255                 }
 256         } else {
 257                 apath = g_strconcat(g_get_current_dir(), "/", path, NULL);
 258         }
 259
 260         if((p = strrchr(apath, '/'))) {
 261                 *p = '\0';
 262                 g_mkdir_with_parents(apath, 0700);
 263                 g_chmod(apath, 0700); /* in case it existed */
 264                 *p = '/';
 265         }
 266         /* creating file (gives error when apath ends with "/") */
 267         if((f = fopen(apath, "a"))) {
 268                 g_chmod(apath, 0600); /* always */
 269                 fclose(f);
 270         }
 271
 272         return apath;
 273 }
 274
 275 static gboolean
 276 buttonrelease(WebKitWebView *web, GdkEventButton *e, GList *gl) {
 277         WebKitHitTestResultContext context;
 278         WebKitHitTestResult *result = webkit_web_view_get_hit_test_result(web,
 279                         e);
 280         Arg arg;
 281
 282         g_object_get(result, "context", &context, NULL);
 283         if(context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK) {
 284                 if(e->button == 2 ||
 285                                 (e->button == 1 && CLEANMASK(e->state) == CLEANMASK(MODKEY))) {
 286                         g_object_get(result, "link-uri", &arg.v, NULL);
 287                         newwindow(NULL, &arg, e->state & GDK_CONTROL_MASK);
 288                         return true;
 289                 }
 290         }
 291         return false;
 292 }
 293
 294 static void
 295 cleanup(void) {
 296         if(diskcache) {
 297                 soup_cache_flush(diskcache);
 298                 soup_cache_dump(diskcache);
 299         }
 300         while(clients)
 301                 destroyclient(clients);
 302         g_free(cookiefile);
 303         g_free(scriptfile);
 304         g_free(stylefile);
 305 }
 306
 307 static void
 308 cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
 309                 SoupCookie *new_cookie) {
 310         flock(COOKIEJAR(self)->lock, LOCK_EX);
 311         if(new_cookie && !new_cookie->expires && sessiontime) {
 312                 soup_cookie_set_expires(new_cookie,
 313                                 soup_date_new_from_now(sessiontime));
 314         }
 315         SOUP_COOKIE_JAR_CLASS(cookiejar_parent_class)->changed(self,
 316                         old_cookie, new_cookie);
 317         flock(COOKIEJAR(self)->lock, LOCK_UN);
 318 }
 319
 320 static void
 321 cookiejar_class_init(CookieJarClass *klass) {
 322         SOUP_COOKIE_JAR_CLASS(klass)->changed = cookiejar_changed;
 323         G_OBJECT_CLASS(klass)->get_property =
 324                 G_OBJECT_CLASS(cookiejar_parent_class)->get_property;
 325         G_OBJECT_CLASS(klass)->set_property = cookiejar_set_property;
 326         G_OBJECT_CLASS(klass)->finalize = cookiejar_finalize;
 327         g_object_class_override_property(G_OBJECT_CLASS(klass), 1, "filename");
 328 }
 329
 330 static void
 331 cookiejar_finalize(GObject *self) {
 332         close(COOKIEJAR(self)->lock);
 333         G_OBJECT_CLASS(cookiejar_parent_class)->finalize(self);
 334 }
 335
 336 static void
 337 cookiejar_init(CookieJar *self) {
 338         self->lock = open(cookiefile, 0);
 339 }
 340
 341 static SoupCookieJar *
 342 cookiejar_new(const char *filename, gboolean read_only,
 343                 SoupCookieJarAcceptPolicy policy) {
 344         return g_object_new(COOKIEJAR_TYPE,
 345                             SOUP_COOKIE_JAR_TEXT_FILENAME, filename,
 346                             SOUP_COOKIE_JAR_READ_ONLY, read_only,
 347                             SOUP_COOKIE_JAR_ACCEPT_POLICY, policy, NULL);
 348 }
 349
 350 static void
 351 cookiejar_set_property(GObject *self, guint prop_id, const GValue *value,
 352                 GParamSpec *pspec) {
 353         flock(COOKIEJAR(self)->lock, LOCK_SH);
 354         G_OBJECT_CLASS(cookiejar_parent_class)->set_property(self, prop_id,
 355                         value, pspec);
 356         flock(COOKIEJAR(self)->lock, LOCK_UN);
 357 }
 358
 359 static SoupCookieJarAcceptPolicy
 360 cookiepolicy_get(void) {
 361         switch(cookiepolicies[policysel]) {
 362         case 'a':
 363                 return SOUP_COOKIE_JAR_ACCEPT_NEVER;
 364         case '@':
 365                 return SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY;
 366         case 'A':
 367         default:
 368                 break;
 369         }
 370
 371         return SOUP_COOKIE_JAR_ACCEPT_ALWAYS;
 372 }
 373
 374 static char
 375 cookiepolicy_set(const SoupCookieJarAcceptPolicy ep) {
 376         switch(ep) {
 377         case SOUP_COOKIE_JAR_ACCEPT_NEVER:
 378                 return 'a';
 379         case SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY:
 380                 return '@';
 381         case SOUP_COOKIE_JAR_ACCEPT_ALWAYS:
 382         default:
 383                 break;
 384         }
 385
 386         return 'A';
 387 }
 388
 389 static void
 390 evalscript(JSContextRef js, char *script, char* scriptname) {
 391         JSStringRef jsscript, jsscriptname;
 392         JSValueRef exception = NULL;
 393
 394         jsscript = JSStringCreateWithUTF8CString(script);
 395         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 396         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 397                         jsscriptname, 0, &exception);
 398         JSStringRelease(jsscript);
 399         JSStringRelease(jsscriptname);
 400 }
 401
 402 static void
 403 runscript(WebKitWebFrame *frame) {
 404         char *script;
 405         GError *error;
 406
 407         if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
 408                 evalscript(webkit_web_frame_get_global_context(frame),
 409                                 script, scriptfile);
 410         }
 411 }
 412
 413 static void
 414 clipboard(Client *c, const Arg *arg) {
 415         gboolean paste = *(gboolean *)arg;
 416
 417         if(paste) {
 418                 gtk_clipboard_request_text(
 419                                 gtk_clipboard_get(GDK_SELECTION_PRIMARY),
 420                                 pasteuri, c);
 421         } else {
 422                 gtk_clipboard_set_text(
 423                                 gtk_clipboard_get(GDK_SELECTION_PRIMARY),
 424                                 c->linkhover ? c->linkhover : geturi(c), -1);
 425         }
 426 }
 427
 428 static char *
 429 copystr(char **str, const char *src) {
 430         char *tmp;
 431         tmp = g_strdup(src);
 432
 433         if(str && *str) {
 434                 g_free(*str);
 435                 *str = tmp;
 436         }
 437         return tmp;
 438 }
 439
 440 static WebKitWebView *
 441 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 442         Client *n = newclient();
 443         return n->view;
 444 }
 445
 446 static gboolean
 447 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r,
 448                 gchar *m,  WebKitWebPolicyDecision *p, Client *c) {
 449         if(!webkit_web_view_can_show_mime_type(v, m)) {
 450                 webkit_web_policy_decision_download(p);
 451                 return TRUE;
 452         }
 453         return FALSE;
 454 }
 455
 456 static gboolean
 457 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r,
 458                 WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p,
 459                 Client *c) {
 460         Arg arg;
 461
 462         if(webkit_web_navigation_action_get_reason(n) ==
 463                         WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 464                 webkit_web_policy_decision_ignore(p);
 465                 arg.v = (void *)webkit_network_request_get_uri(r);
 466                 newwindow(NULL, &arg, 0);
 467                 return TRUE;
 468         }
 469         return FALSE;
 470 }
 471
 472 static gboolean
 473 deletion_interface(WebKitWebView *view,
 474                 WebKitDOMHTMLElement *arg1, Client *c) {
 475         return FALSE;
 476 }
 477
 478 static void
 479 destroyclient(Client *c) {
 480         Client *p;
 481
 482         webkit_web_view_stop_loading(c->view);
 483         gtk_widget_destroy(GTK_WIDGET(c->view));
 484         gtk_widget_destroy(c->scroll);
 485         gtk_widget_destroy(c->vbox);
 486         gtk_widget_destroy(c->win);
 487
 488         for(p = clients; p && p->next != c; p = p->next);
 489         if(p) {
 490                 p->next = c->next;
 491         } else {
 492                 clients = c->next;
 493         }
 494         free(c);
 495         if(clients == NULL)
 496                 gtk_main_quit();
 497 }
 498
 499 static void
 500 destroywin(GtkWidget* w, Client *c) {
 501         destroyclient(c);
 502 }
 503
 504 static void
 505 die(const char *errstr, ...) {
 506         va_list ap;
 507
 508         va_start(ap, errstr);
 509         vfprintf(stderr, errstr, ap);
 510         va_end(ap);
 511         exit(EXIT_FAILURE);
 512 }
 513
 514 static void
 515 find(Client *c, const Arg *arg) {
 516         const char *s;
 517
 518         s = getatom(c, AtomFind);
 519         gboolean forward = *(gboolean *)arg;
 520         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 521 }
 522
 523 static void
 524 fullscreen(Client *c, const Arg *arg) {
 525         if(c->fullscreen) {
 526                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 527         } else {
 528                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 529         }
 530         c->fullscreen = !c->fullscreen;
 531 }
 532
 533 static void
 534 geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 535                 WebKitGeolocationPolicyDecision *d, Client *c) {
 536         if(allowgeolocation) {
 537                 webkit_geolocation_policy_allow(d);
 538         } else {
 539                 webkit_geolocation_policy_deny(d);
 540         }
 541 }
 542
 543 static const char *
 544 getatom(Client *c, int a) {
 545         static char buf[BUFSIZ];
 546         Atom adummy;
 547         int idummy;
 548         unsigned long ldummy;
 549         unsigned char *p = NULL;
 550
 551         XGetWindowProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
 552                         atoms[a], 0L, BUFSIZ, False, XA_STRING,
 553                         &adummy, &idummy, &ldummy, &ldummy, &p);
 554         if(p) {
 555                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 556         } else {
 557                 buf[0] = '\0';
 558         }
 559         XFree(p);
 560
 561         return buf;
 562 }
 563
 564 static char *
 565 geturi(Client *c) {
 566         char *uri;
 567
 568         if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
 569                 uri = "about:blank";
 570         return uri;
 571 }
 572
 573 static gchar *
 574 getstyle(const char *uri) {
 575         int i;
 576
 577         if(stylefile != NULL)
 578                 return g_strconcat("file://", stylefile, NULL);
 579
 580         for(i = 0; i < LENGTH(styles); i++) {
 581                 if(styles[i].regex && !regexec(&(styles[i].re), uri, 0,
 582                                         NULL, 0)) {
 583                         return g_strconcat("file://", styles[i].style, NULL);
 584                 }
 585         }
 586         return g_strdup("");
 587 }
 588
 589 static void
 590 handleplumb(Client *c, WebKitWebView *w, const gchar *uri) {
 591         Arg arg;
 592
 593         webkit_web_view_stop_loading(w);
 594         arg = (Arg)PLUMB((char *)uri);
 595         spawn(c, &arg);
 596 }
 597
 598 static gboolean
 599 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 600         Arg arg;
 601
 602         updatewinid(c);
 603         arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
 604         spawn(c, &arg);
 605         return FALSE;
 606 }
 607
 608 static void
 609 inspector(Client *c, const Arg *arg) {
 610         if(c->isinspecting) {
 611                 webkit_web_inspector_close(c->inspector);
 612         } else {
 613                 webkit_web_inspector_show(c->inspector);
 614         }
 615 }
 616
 617 static WebKitWebView *
 618 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c) {
 619         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 620 }
 621
 622 static gboolean
 623 inspector_show(WebKitWebInspector *i, Client *c) {
 624         WebKitWebView *w;
 625
 626         if(c->isinspecting)
 627                 return false;
 628
 629         w = webkit_web_inspector_get_web_view(i);
 630         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 631         gtk_widget_show(GTK_WIDGET(w));
 632         c->isinspecting = true;
 633
 634         return true;
 635 }
 636
 637 static gboolean
 638 inspector_close(WebKitWebInspector *i, Client *c) {
 639         GtkWidget *w;
 640
 641         if(!c->isinspecting)
 642                 return false;
 643
 644         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 645         gtk_widget_hide(w);
 646         gtk_widget_destroy(w);
 647         c->isinspecting = false;
 648
 649         return true;
 650 }
 651
 652 static void
 653 inspector_finished(WebKitWebInspector *i, Client *c) {
 654         g_free(c->inspector);
 655 }
 656
 657 static gboolean
 658 keypress(GtkAccelGroup *group, GObject *obj,
 659                 guint key, GdkModifierType mods, Client *c) {
 660         guint i;
 661         gboolean processed = FALSE;
 662
 663         mods = CLEANMASK(mods);
 664         key = gdk_keyval_to_lower(key);
 665         updatewinid(c);
 666         for(i = 0; i < LENGTH(keys); i++) {
 667                 if(key == keys[i].keyval
 668                                 && mods == keys[i].mod
 669                                 && keys[i].func) {
 670                         keys[i].func(c, &(keys[i].arg));
 671                         processed = TRUE;
 672                 }
 673         }
 674
 675         return processed;
 676 }
 677
 678 static void
 679 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c) {
 680         if(l) {
 681                 c->linkhover = copystr(&c->linkhover, l);
 682         } else if(c->linkhover) {
 683                 free(c->linkhover);
 684                 c->linkhover = NULL;
 685         }
 686         updatetitle(c);
 687 }
 688
 689 static void
 690 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
 691         WebKitWebFrame *frame;
 692         WebKitWebDataSource *src;
 693         WebKitNetworkRequest *request;
 694         WebKitWebSettings *set = webkit_web_view_get_settings(c->view);
 695         SoupMessage *msg;
 696         char *uri;
 697
 698         switch(webkit_web_view_get_load_status (c->view)) {
 699         case WEBKIT_LOAD_COMMITTED:
 700                 uri = geturi(c);
 701                 if(strstr(uri, "https://") == uri) {
 702                         frame = webkit_web_view_get_main_frame(c->view);
 703                         src = webkit_web_frame_get_data_source(frame);
 704                         request = webkit_web_data_source_get_request(src);
 705                         msg = webkit_network_request_get_message(request);
 706                         c->sslfailed = !(soup_message_get_flags(msg)
 707                                         & SOUP_MESSAGE_CERTIFICATE_TRUSTED);
 708                 }
 709                 setatom(c, AtomUri, uri);
 710
 711                 if(enablestyles) {
 712                         g_object_set(G_OBJECT(set), "user-stylesheet-uri",
 713                                         getstyle(uri), NULL);
 714                 }
 715                 break;
 716         case WEBKIT_LOAD_FINISHED:
 717                 c->progress = 100;
 718                 updatetitle(c);
 719                 if(diskcache) {
 720                         soup_cache_flush(diskcache);
 721                         soup_cache_dump(diskcache);
 722                 }
 723                 break;
 724         default:
 725                 break;
 726         }
 727 }
 728
 729 static void
 730 loaduri(Client *c, const Arg *arg) {
 731         char *u = NULL, *rp;
 732         const char *uri = (char *)arg->v;
 733         Arg a = { .b = FALSE };
 734         struct stat st;
 735
 736         if(strcmp(uri, "") == 0)
 737                 return;
 738
 739         /* In case it's a file path. */
 740         if(stat(uri, &st) == 0) {
 741                 rp = realpath(uri, NULL);
 742                 u = g_strdup_printf("file://%s", rp);
 743                 free(rp);
 744         } else {
 745                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 746                         : g_strdup_printf("http://%s", uri);
 747         }
 748
 749         setatom(c, AtomUri, uri);
 750
 751         /* prevents endless loop */
 752         if(strcmp(u, geturi(c)) == 0) {
 753                 reload(c, &a);
 754         } else {
 755                 webkit_web_view_load_uri(c->view, u);
 756                 c->progress = 0;
 757                 c->title = copystr(&c->title, u);
 758                 updatetitle(c);
 759         }
 760         g_free(u);
 761 }
 762
 763 static void
 764 navigate(Client *c, const Arg *arg) {
 765         int steps = *(int *)arg;
 766         webkit_web_view_go_back_or_forward(c->view, steps);
 767 }
 768
 769 static Client *
 770 newclient(void) {
 771         Client *c;
 772         WebKitWebSettings *settings;
 773         WebKitWebFrame *frame;
 774         GdkGeometry hints = { 1, 1 };
 775         GdkScreen *screen;
 776         gdouble dpi;
 777         char *ua;
 778
 779         if(!(c = calloc(1, sizeof(Client))))
 780                 die("Cannot malloc!\n");
 781
 782         c->title = NULL;
 783         c->progress = 100;
 784
 785         /* Window */
 786         if(embed) {
 787                 c->win = gtk_plug_new(embed);
 788         } else {
 789                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 790
 791                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
 792                  * is always correct, so we should still call this function.
 793                  * But when doing so, we *must* differentiate between a
 794                  * WM_CLASS and a resource on the window.  By convention, the
 795                  * window class (WM_CLASS) is capped, while the resource is in
 796                  * lowercase.   Both these values come as a pair.
 797                  */
 798                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
 799
 800                 /* TA:  20091214:  And set the role here as well -- so that
 801                  * sessions can pick this up.
 802                  */
 803                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
 804         }
 805         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 806         g_signal_connect(G_OBJECT(c->win),
 807                         "destroy",
 808                         G_CALLBACK(destroywin), c);
 809         g_signal_connect(G_OBJECT(c->win),
 810                         "leave_notify_event",
 811                         G_CALLBACK(titlechangeleave), c);
 812
 813         if(!kioskmode)
 814                 addaccelgroup(c);
 815
 816         /* Pane */
 817         c->pane = gtk_vpaned_new();
 818
 819         /* VBox */
 820         c->vbox = gtk_vbox_new(FALSE, 0);
 821         gtk_paned_pack1(GTK_PANED(c->pane), c->vbox, TRUE, TRUE);
 822
 823         /* Webview */
 824         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 825
 826         g_signal_connect(G_OBJECT(c->view),
 827                         "notify::title",
 828                         G_CALLBACK(titlechange), c);
 829         g_signal_connect(G_OBJECT(c->view),
 830                         "hovering-over-link",
 831                         G_CALLBACK(linkhover), c);
 832         g_signal_connect(G_OBJECT(c->view),
 833                         "geolocation-policy-decision-requested",
 834                         G_CALLBACK(geopolicyrequested), c);
 835         g_signal_connect(G_OBJECT(c->view),
 836                         "create-web-view",
 837                         G_CALLBACK(createwindow), c);
 838         g_signal_connect(G_OBJECT(c->view),
 839                         "new-window-policy-decision-requested",
 840                         G_CALLBACK(decidewindow), c);
 841         g_signal_connect(G_OBJECT(c->view),
 842                         "mime-type-policy-decision-requested",
 843                         G_CALLBACK(decidedownload), c);
 844         g_signal_connect(G_OBJECT(c->view),
 845                         "window-object-cleared",
 846                         G_CALLBACK(windowobjectcleared), c);
 847         g_signal_connect(G_OBJECT(c->view),
 848                         "notify::load-status",
 849                         G_CALLBACK(loadstatuschange), c);
 850         g_signal_connect(G_OBJECT(c->view),
 851                         "notify::progress",
 852                         G_CALLBACK(progresschange), c);
 853         g_signal_connect(G_OBJECT(c->view),
 854                         "download-requested",
 855                         G_CALLBACK(initdownload), c);
 856         g_signal_connect(G_OBJECT(c->view),
 857                         "button-release-event",
 858                         G_CALLBACK(buttonrelease), c);
 859         g_signal_connect(G_OBJECT(c->view),
 860                         "context-menu",
 861                         G_CALLBACK(contextmenu), c);
 862         g_signal_connect(G_OBJECT(c->view),
 863                         "resource-request-starting",
 864                         G_CALLBACK(beforerequest), c);
 865         g_signal_connect(G_OBJECT(c->view),
 866                         "should-show-delete-interface-for-element",
 867                         G_CALLBACK(deletion_interface), c);
 868
 869         /* Scrolled Window */
 870         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 871
 872         frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(c->view));
 873         g_signal_connect(G_OBJECT(frame), "scrollbars-policy-changed",
 874                         G_CALLBACK(gtk_true), NULL);
 875
 876         if(!enablescrollbars) {
 877                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 878                                 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 879         } else {
 880                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 881                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 882         }
 883
 884         /* Arranging */
 885         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 886         gtk_container_add(GTK_CONTAINER(c->win), c->pane);
 887         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 888
 889         /* Setup */
 890         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE,
 891                         TRUE, 0, GTK_PACK_START);
 892         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 893         gtk_widget_show(c->pane);
 894         gtk_widget_show(c->vbox);
 895         gtk_widget_show(c->scroll);
 896         gtk_widget_show(GTK_WIDGET(c->view));
 897         gtk_widget_show(c->win);
 898         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
 899                         GDK_HINT_MIN_SIZE);
 900         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 901         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 902         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 903
 904         runscript(frame);
 905
 906         settings = webkit_web_view_get_settings(c->view);
 907         if(!(ua = getenv("SURF_USERAGENT")))
 908                 ua = useragent;
 909         g_object_set(G_OBJECT(settings), "user-agent", ua, NULL);
 910         if (enablestyles) {
 911                 g_object_set(G_OBJECT(settings), "user-stylesheet-uri",
 912                                          getstyle("about:blank"), NULL);
 913         }
 914         g_object_set(G_OBJECT(settings), "auto-load-images", loadimages,
 915                         NULL);
 916         g_object_set(G_OBJECT(settings), "enable-plugins", enableplugins,
 917                         NULL);
 918         g_object_set(G_OBJECT(settings), "enable-scripts", enablescripts,
 919                         NULL);
 920         g_object_set(G_OBJECT(settings), "enable-spatial-navigation",
 921                         enablespatialbrowsing, NULL);
 922         g_object_set(G_OBJECT(settings), "enable-developer-extras",
 923                         enableinspector, NULL);
 924         g_object_set(G_OBJECT(settings), "enable-default-context-menu",
 925                         kioskmode ^ 1, NULL);
 926         g_object_set(G_OBJECT(settings), "default-font-size",
 927                         defaultfontsize, NULL);
 928         g_object_set(G_OBJECT(settings), "resizable-text-areas",
 929                         1, NULL);
 930
 931         /*
 932          * While stupid, CSS specifies that a pixel represents 1/96 of an inch.
 933          * This ensures websites are not unusably small with a high DPI screen.
 934          * It is equivalent to firefox's "layout.css.devPixelsPerPx" setting.
 935          */
 936         if(zoomto96dpi) {
 937                 screen = gdk_window_get_screen(GTK_WIDGET(c->win)->window);
 938                 dpi = gdk_screen_get_resolution(screen);
 939                 if(dpi != -1) {
 940                         g_object_set(G_OBJECT(settings), "enforce-96-dpi", true,
 941                                         NULL);
 942                         webkit_web_view_set_zoom_level(c->view, dpi/96);
 943                 }
 944         }
 945         /* This might conflict with _zoomto96dpi_. */
 946         if(zoomlevel != 1.0)
 947                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
 948
 949         if(enableinspector) {
 950                 c->inspector = WEBKIT_WEB_INSPECTOR(
 951                                 webkit_web_view_get_inspector(c->view));
 952                 g_signal_connect(G_OBJECT(c->inspector), "inspect-web-view",
 953                                 G_CALLBACK(inspector_new), c);
 954                 g_signal_connect(G_OBJECT(c->inspector), "show-window",
 955                                 G_CALLBACK(inspector_show), c);
 956                 g_signal_connect(G_OBJECT(c->inspector), "close-window",
 957                                 G_CALLBACK(inspector_close), c);
 958                 g_signal_connect(G_OBJECT(c->inspector), "finished",
 959                                 G_CALLBACK(inspector_finished), c);
 960                 c->isinspecting = false;
 961         }
 962
 963         if(runinfullscreen) {
 964                 c->fullscreen = 0;
 965                 fullscreen(c, NULL);
 966         }
 967
 968         setatom(c, AtomFind, "");
 969         setatom(c, AtomUri, "about:blank");
 970         if(hidebackground)
 971                 webkit_web_view_set_transparent(c->view, TRUE);
 972
 973         c->next = clients;
 974         clients = c;
 975
 976         if(showxid) {
 977                 gdk_display_sync(gtk_widget_get_display(c->win));
 978                 printf("%u\n",
 979                         (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 980                 fflush(NULL);
 981                 if (fclose(stdout) != 0) {
 982                         die("Error closing stdout");
 983                 }
 984         }
 985
 986         return c;
 987 }
 988
 989 static void
 990 newwindow(Client *c, const Arg *arg, gboolean noembed) {
 991         guint i = 0;
 992         const char *cmd[18], *uri;
 993         const Arg a = { .v = (void *)cmd };
 994         char tmp[64];
 995
 996         cmd[i++] = argv0;
 997         cmd[i++] = "-a";
 998         cmd[i++] = cookiepolicies;
 999         if(!enablescrollbars)
1000                 cmd[i++] = "-b";
1001         if(embed && !noembed) {
1002                 cmd[i++] = "-e";
1003                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1004                 cmd[i++] = tmp;
1005         }
1006         if(!allowgeolocation)
1007                 cmd[i++] = "-g";
1008         if(!loadimages)
1009                 cmd[i++] = "-i";
1010         if(kioskmode)
1011                 cmd[i++] = "-k";
1012         if(!enableplugins)
1013                 cmd[i++] = "-p";
1014         if(!enablescripts)
1015                 cmd[i++] = "-s";
1016         if(showxid)
1017                 cmd[i++] = "-x";
1018         if(enablediskcache)
1019                 cmd[i++] = "-D";
1020         cmd[i++] = "-c";
1021         cmd[i++] = cookiefile;
1022         cmd[i++] = "--";
1023         uri = arg->v ? (char *)arg->v : c->linkhover;
1024         if(uri)
1025                 cmd[i++] = uri;
1026         cmd[i++] = NULL;
1027         spawn(NULL, &a);
1028 }
1029
1030 static gboolean
1031 contextmenu(WebKitWebView *view, GtkWidget *menu, WebKitHitTestResult *target,
1032                 gboolean keyboard, Client *c) {
1033         GList *items = gtk_container_get_children(GTK_CONTAINER(GTK_MENU(menu)));
1034
1035         for(GList *l = items; l; l = l->next) {
1036                 g_signal_connect(l->data, "activate", G_CALLBACK(menuactivate), c);
1037         }
1038
1039         g_list_free(items);
1040         return FALSE;
1041 }
1042
1043 static void
1044 menuactivate(GtkMenuItem *item, Client *c) {
1045         /*
1046          * context-menu-action-2000     open link
1047          * context-menu-action-1        open link in window
1048          * context-menu-action-2        download linked file
1049          * context-menu-action-3        copy link location
1050          * context-menu-action-7        copy image address
1051          * context-menu-action-13       reload
1052          * context-menu-action-10       back
1053          * context-menu-action-11       forward
1054          * context-menu-action-12       stop
1055          */
1056
1057         GtkAction *a = NULL;
1058         const char *name, *uri;
1059         GtkClipboard *prisel, *clpbrd;
1060
1061         a = gtk_activatable_get_related_action(GTK_ACTIVATABLE(item));
1062         if(a == NULL)
1063                 return;
1064
1065         name = gtk_action_get_name(a);
1066         if(!g_strcmp0(name, "context-menu-action-3")) {
1067                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1068                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
1069         } else if(!g_strcmp0(name, "context-menu-action-7")) {
1070                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1071                 clpbrd = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1072                 uri = gtk_clipboard_wait_for_text(clpbrd);
1073                 if(uri)
1074                         gtk_clipboard_set_text(prisel, uri, -1);
1075         }
1076 }
1077
1078 static void
1079 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
1080         Arg arg = {.v = text };
1081         if(text != NULL)
1082                 loaduri((Client *) d, &arg);
1083 }
1084
1085 static void
1086 print(Client *c, const Arg *arg) {
1087         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
1088 }
1089
1090 static GdkFilterReturn
1091 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
1092         Client *c = (Client *)d;
1093         XPropertyEvent *ev;
1094         Arg arg;
1095
1096         if(((XEvent *)e)->type == PropertyNotify) {
1097                 ev = &((XEvent *)e)->xproperty;
1098                 if(ev->state == PropertyNewValue) {
1099                         if(ev->atom == atoms[AtomFind]) {
1100                                 arg.b = TRUE;
1101                                 find(c, &arg);
1102
1103                                 return GDK_FILTER_REMOVE;
1104                         } else if(ev->atom == atoms[AtomGo]) {
1105                                 arg.v = getatom(c, AtomGo);
1106                                 loaduri(c, &arg);
1107
1108                                 return GDK_FILTER_REMOVE;
1109                         }
1110                 }
1111         }
1112         return GDK_FILTER_CONTINUE;
1113 }
1114
1115 static void
1116 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
1117         c->progress = webkit_web_view_get_progress(c->view) * 100;
1118         updatetitle(c);
1119 }
1120
1121 static void
1122 reload(Client *c, const Arg *arg) {
1123         gboolean nocache = *(gboolean *)arg;
1124         if(nocache) {
1125                  webkit_web_view_reload_bypass_cache(c->view);
1126         } else {
1127                  webkit_web_view_reload(c->view);
1128         }
1129 }
1130
1131 static void
1132 scroll_h(Client *c, const Arg *arg) {
1133         scroll(gtk_scrolled_window_get_hadjustment(
1134                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
1135 }
1136
1137 static void
1138 scroll_v(Client *c, const Arg *arg) {
1139         scroll(gtk_scrolled_window_get_vadjustment(
1140                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
1141 }
1142
1143 static void
1144 scroll(GtkAdjustment *a, const Arg *arg) {
1145         gdouble v;
1146
1147         v = gtk_adjustment_get_value(a);
1148         switch(arg->i) {
1149         case +10000:
1150         case -10000:
1151                 v += gtk_adjustment_get_page_increment(a) *
1152                         (arg->i / 10000);
1153                 break;
1154         case +20000:
1155         case -20000:
1156         default:
1157                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1158         }
1159
1160         v = MAX(v, 0.0);
1161         v = MIN(v, gtk_adjustment_get_upper(a) -
1162                         gtk_adjustment_get_page_size(a));
1163         gtk_adjustment_set_value(a, v);
1164 }
1165
1166 static void
1167 setatom(Client *c, int a, const char *v) {
1168         XSync(dpy, False);
1169         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
1170                         atoms[a], XA_STRING, 8, PropModeReplace,
1171                         (unsigned char *)v, strlen(v) + 1);
1172 }
1173
1174 static void
1175 setup(void) {
1176         int i;
1177         char *proxy;
1178         char *new_proxy;
1179         SoupURI *puri;
1180         SoupSession *s;
1181         GError *error = NULL;
1182
1183         /* clean up any zombies immediately */
1184         sigchld(0);
1185         gtk_init(NULL, NULL);
1186
1187         dpy = GDK_DISPLAY();
1188
1189         /* atoms */
1190         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1191         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1192         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1193
1194         /* dirs and files */
1195         cookiefile = buildpath(cookiefile);
1196         scriptfile = buildpath(scriptfile);
1197         cachefolder = buildpath(cachefolder);
1198         styledir = buildpath(styledir);
1199         if(stylefile == NULL) {
1200                 for(i = 0; i < LENGTH(styles); i++) {
1201                         if(regcomp(&(styles[i].re), styles[i].regex,
1202                                                 REG_EXTENDED)) {
1203                                 fprintf(stderr,
1204                                         "Could not compile regex: %s\n",
1205                                         styles[i].regex);
1206                                 styles[i].regex = NULL;
1207                         }
1208                         styles[i].style = buildpath(
1209                                         g_strconcat(styledir,
1210                                                 styles[i].style, NULL));
1211                 }
1212         } else {
1213                 stylefile = buildpath(stylefile);
1214         }
1215
1216         /* request handler */
1217         s = webkit_get_default_session();
1218
1219         /* cookie jar */
1220         soup_session_add_feature(s,
1221                         SOUP_SESSION_FEATURE(cookiejar_new(cookiefile, FALSE,
1222                                         cookiepolicy_get())));
1223
1224         /* disk cache */
1225         if(enablediskcache) {
1226                 diskcache = soup_cache_new(cachefolder, SOUP_CACHE_SINGLE_USER);
1227                 soup_cache_set_max_size(diskcache, diskcachebytes);
1228                 soup_cache_load(diskcache);
1229                 soup_session_add_feature(s, SOUP_SESSION_FEATURE(diskcache));
1230         }
1231
1232         /* ssl */
1233         tlsdb = g_tls_file_database_new(cafile, &error);
1234
1235         if(error) {
1236                 g_warning("Error loading SSL database %s: %s", cafile, error->message);
1237                 g_error_free(error);
1238         }
1239         g_object_set(G_OBJECT(s), "tls-database", tlsdb, NULL);
1240         g_object_set(G_OBJECT(s), "ssl-strict", strictssl, NULL);
1241
1242         /* proxy */
1243         if((proxy = getenv("http_proxy")) && strcmp(proxy, "")) {
1244                 new_proxy = g_strrstr(proxy, "http://") ? g_strdup(proxy) :
1245                         g_strdup_printf("http://%s", proxy);
1246                 puri = soup_uri_new(new_proxy);
1247                 g_object_set(G_OBJECT(s), "proxy-uri", puri, NULL);
1248                 soup_uri_free(puri);
1249                 g_free(new_proxy);
1250                 usingproxy = 1;
1251         }
1252 }
1253
1254 static void
1255 sigchld(int unused) {
1256         if(signal(SIGCHLD, sigchld) == SIG_ERR)
1257                 die("Can't install SIGCHLD handler");
1258         while(0 < waitpid(-1, NULL, WNOHANG));
1259 }
1260
1261 static void
1262 source(Client *c, const Arg *arg) {
1263         Arg a = { .b = FALSE };
1264         gboolean s;
1265
1266         s = webkit_web_view_get_view_source_mode(c->view);
1267         webkit_web_view_set_view_source_mode(c->view, !s);
1268         reload(c, &a);
1269 }
1270
1271 static void
1272 spawn(Client *c, const Arg *arg) {
1273         if(fork() == 0) {
1274                 if(dpy)
1275                         close(ConnectionNumber(dpy));
1276                 setsid();
1277                 execvp(((char **)arg->v)[0], (char **)arg->v);
1278                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1279                 perror(" failed");
1280                 exit(0);
1281         }
1282 }
1283
1284 static void
1285 eval(Client *c, const Arg *arg) {
1286         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1287         evalscript(webkit_web_frame_get_global_context(frame),
1288                         ((char **)arg->v)[0], "");
1289 }
1290
1291 static void
1292 stop(Client *c, const Arg *arg) {
1293         webkit_web_view_stop_loading(c->view);
1294 }
1295
1296 static void
1297 titlechange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
1298         const gchar *t = webkit_web_view_get_title(view);
1299         if (t) {
1300                 c->title = copystr(&c->title, t);
1301                 updatetitle(c);
1302         }
1303 }
1304
1305 static void
1306 titlechangeleave(void *a, void *b, Client *c) {
1307         c->linkhover = NULL;
1308         updatetitle(c);
1309 }
1310
1311 static void
1312 toggle(Client *c, const Arg *arg) {
1313         WebKitWebSettings *settings;
1314         char *name = (char *)arg->v;
1315         gboolean value;
1316         Arg a = { .b = FALSE };
1317
1318         settings = webkit_web_view_get_settings(c->view);
1319         g_object_get(G_OBJECT(settings), name, &value, NULL);
1320         g_object_set(G_OBJECT(settings), name, !value, NULL);
1321
1322         reload(c, &a);
1323 }
1324
1325 static void
1326 togglecookiepolicy(Client *c, const Arg *arg) {
1327         SoupCookieJar *jar;
1328         SoupCookieJarAcceptPolicy policy;
1329
1330         jar = SOUP_COOKIE_JAR(
1331                         soup_session_get_feature(
1332                                 webkit_get_default_session(),
1333                                 SOUP_TYPE_COOKIE_JAR));
1334         g_object_get(G_OBJECT(jar), "accept-policy", &policy, NULL);
1335
1336         policysel++;
1337         if(policysel >= strlen(cookiepolicies))
1338                 policysel = 0;
1339
1340         g_object_set(G_OBJECT(jar), "accept-policy",
1341                         cookiepolicy_get(), NULL);
1342
1343         updatetitle(c);
1344         /* Do not reload. */
1345 }
1346
1347 static void
1348 togglegeolocation(Client *c, const Arg *arg) {
1349         Arg a = { .b = FALSE };
1350
1351         allowgeolocation ^= 1;
1352
1353         reload(c, &a);
1354 }
1355
1356 static void
1357 twitch(Client *c, const Arg *arg) {
1358         GtkAdjustment *a;
1359         gdouble v;
1360
1361         a = gtk_scrolled_window_get_vadjustment(
1362                         GTK_SCROLLED_WINDOW(c->scroll));
1363
1364         v = gtk_adjustment_get_value(a);
1365
1366         v += arg->i;
1367
1368         v = MAX(v, 0.0);
1369         v = MIN(v, gtk_adjustment_get_upper(a) -
1370                         gtk_adjustment_get_page_size(a));
1371         gtk_adjustment_set_value(a, v);
1372 }
1373
1374 static void
1375 togglescrollbars(Client *c, const Arg *arg) {
1376         GtkPolicyType vspolicy;
1377         Arg a;
1378
1379         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL, &vspolicy);
1380
1381         if(vspolicy == GTK_POLICY_AUTOMATIC) {
1382                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1383                                 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
1384         } else {
1385                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1386                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1387                 a.i = +1;
1388                 twitch(c, &a);
1389                 a.i = -1;
1390                 twitch(c, &a);
1391         }
1392 }
1393
1394 static void
1395 togglestyle(Client *c, const Arg *arg) {
1396         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1397         char *uri;
1398
1399         enablestyles = !enablestyles;
1400         uri = enablestyles ? getstyle(geturi(c)) : g_strdup("");
1401         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
1402
1403         updatetitle(c);
1404 }
1405
1406 static void
1407 gettogglestat(Client *c){
1408         gboolean value;
1409         int p = 0;
1410         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1411
1412         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1413
1414         g_object_get(G_OBJECT(settings), "enable-caret-browsing",
1415                         &value, NULL);
1416         togglestat[p++] = value? 'C': 'c';
1417
1418         togglestat[p++] = allowgeolocation? 'G': 'g';
1419
1420         togglestat[p++] = enablediskcache? 'D': 'd';
1421
1422         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1423         togglestat[p++] = value? 'I': 'i';
1424
1425         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1426         togglestat[p++] = value? 'S': 's';
1427
1428         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1429         togglestat[p++] = value? 'V': 'v';
1430
1431         togglestat[p++] = enablestyles ? 'M': 'm';
1432
1433         togglestat[p] = '\0';
1434 }
1435
1436 static void
1437 getpagestat(Client *c) {
1438         const char *uri = geturi(c);
1439
1440         if(strstr(uri, "https://") == uri) {
1441                 pagestat[0] = c->sslfailed ? 'U' : 'T';
1442         } else {
1443                 pagestat[0] = '-';
1444         }
1445
1446         pagestat[1] = usingproxy ? 'P' : '-';
1447         pagestat[2] = '\0';
1448
1449 }
1450
1451 static void
1452 updatetitle(Client *c) {
1453         char *t;
1454
1455         if(showindicators) {
1456                 gettogglestat(c);
1457                 getpagestat(c);
1458
1459                 if(c->linkhover) {
1460                         t = g_strdup_printf("%s:%s | %s", togglestat,
1461                                         pagestat, c->linkhover);
1462                 } else if(c->progress != 100) {
1463                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1464                                         togglestat, pagestat,
1465                                         (c->title == NULL)? "" : c->title);
1466                 } else {
1467                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1468                                         (c->title == NULL)? "" : c->title);
1469                 }
1470
1471                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1472                 g_free(t);
1473         } else {
1474                 gtk_window_set_title(GTK_WINDOW(c->win),
1475                                 (c->title == NULL)? "" : c->title);
1476         }
1477 }
1478
1479 static void
1480 updatewinid(Client *c) {
1481         snprintf(winid, LENGTH(winid), "%u",
1482                         (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
1483 }
1484
1485 static void
1486 usage(void) {
1487         die("usage: %s [-bBfFgGiIkKnNpPsSvx]"
1488                 " [-a cookiepolicies ] "
1489                 " [-c cookiefile] [-e xid] [-r scriptfile]"
1490                 " [-t stylefile] [-u useragent] [-z zoomlevel]"
1491                 " [uri]\n", basename(argv0));
1492 }
1493
1494 static void
1495 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1496                 JSObjectRef win, Client *c) {
1497         runscript(frame);
1498 }
1499
1500 static void
1501 zoom(Client *c, const Arg *arg) {
1502         c->zoomed = TRUE;
1503         if(arg->i < 0) {
1504                 /* zoom out */
1505                 webkit_web_view_zoom_out(c->view);
1506         } else if(arg->i > 0) {
1507                 /* zoom in */
1508                 webkit_web_view_zoom_in(c->view);
1509         } else {
1510                 /* reset */
1511                 c->zoomed = FALSE;
1512                 webkit_web_view_set_zoom_level(c->view, 1.0);
1513         }
1514 }
1515
1516 int
1517 main(int argc, char *argv[]) {
1518         Arg arg;
1519         Client *c;
1520
1521         memset(&arg, 0, sizeof(arg));
1522
1523         /* command line args */
1524         ARGBEGIN {
1525         case 'a':
1526                 cookiepolicies = EARGF(usage());
1527                 break;
1528         case 'b':
1529                 enablescrollbars = 0;
1530                 break;
1531         case 'B':
1532                 enablescrollbars = 1;
1533                 break;
1534         case 'c':
1535                 cookiefile = EARGF(usage());
1536                 break;
1537         case 'd':
1538                 enablediskcache = 0;
1539                 break;
1540         case 'D':
1541                 enablediskcache = 1;
1542                 break;
1543         case 'e':
1544                 embed = strtol(EARGF(usage()), NULL, 0);
1545                 break;
1546         case 'f':
1547                 runinfullscreen = 1;
1548                 break;
1549         case 'F':
1550                 runinfullscreen = 0;
1551                 break;
1552         case 'g':
1553                 allowgeolocation = 0;
1554                 break;
1555         case 'G':
1556                 allowgeolocation = 1;
1557                 break;
1558         case 'i':
1559                 loadimages = 0;
1560                 break;
1561         case 'I':
1562                 loadimages = 1;
1563                 break;
1564         case 'k':
1565                 kioskmode = 0;
1566                 break;
1567         case 'K':
1568                 kioskmode = 1;
1569                 break;
1570         case 'm':
1571                 enablestyles = 0;
1572                 break;
1573         case 'M':
1574                 enablestyles = 1;
1575                 break;
1576         case 'n':
1577                 enableinspector = 0;
1578                 break;
1579         case 'N':
1580                 enableinspector = 1;
1581                 break;
1582         case 'p':
1583                 enableplugins = 0;
1584                 break;
1585         case 'P':
1586                 enableplugins = 1;
1587                 break;
1588         case 'r':
1589                 scriptfile = EARGF(usage());
1590                 break;
1591         case 's':
1592                 enablescripts = 0;
1593                 break;
1594         case 'S':
1595                 enablescripts = 1;
1596                 break;
1597         case 't':
1598                 stylefile = EARGF(usage());
1599                 break;
1600         case 'u':
1601                 useragent = EARGF(usage());
1602                 break;
1603         case 'v':
1604                 die("surf-"VERSION", ©2009-2014 surf engineers, "
1605                                 "see LICENSE for details\n");
1606         case 'x':
1607                 showxid = TRUE;
1608                 break;
1609         case 'z':
1610                 zoomlevel = strtof(EARGF(usage()), NULL);
1611                 break;
1612         default:
1613                 usage();
1614         } ARGEND;
1615         if(argc > 0)
1616                 arg.v = argv[0];
1617
1618         setup();
1619         c = newclient();
1620         if(arg.v) {
1621                 loaduri(clients, &arg);
1622         } else {
1623                 updatetitle(c);
1624         }
1625
1626         gtk_main();
1627         cleanup();
1628
1629         return EXIT_SUCCESS;
1630 }
1631