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