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