surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <sys/file.h>
   6 #include <sys/types.h>
   7 #include <sys/wait.h>
   8 #include <libgen.h>
   9 #include <limits.h>
  10 #include <pwd.h>
  11 #include <regex.h>
  12 #include <signal.h>
  13 #include <stdarg.h>
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <string.h>
  17 #include <unistd.h>
  18
  19 #include <gdk/gdk.h>
  20 #include <gdk/gdkkeysyms.h>
  21 #include <gdk/gdkx.h>
  22 #include <glib/gstdio.h>
  23 #include <gtk/gtk.h>
  24 #include <gtk/gtkx.h>
  25 #include <JavaScriptCore/JavaScript.h>
  26 #include <webkit2/webkit2.h>
  27 #include <X11/X.h>
  28 #include <X11/Xatom.h>
  29
  30 #include "arg.h"
  31
  32 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
  33 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  34 #define SETB(p, s)              [p] = { { .b = s }, }
  35 #define SETI(p, s)              [p] = { { .i = s }, }
  36 #define SETV(p, s)              [p] = { { .v = s }, }
  37 #define SETF(p, s)              [p] = { { .f = s }, }
  38 #define FSETB(p, s)             [p] = { { .b = s }, 1 }
  39 #define FSETI(p, s)             [p] = { { .i = s }, 1 }
  40 #define FSETV(p, s)             [p] = { { .v = s }, 1 }
  41 #define FSETF(p, s)             [p] = { { .f = s }, 1 }
  42 #define CSETB(p, s)             [p] = (Parameter){ { .b = s }, 1 }
  43 #define CSETI(p, s)             [p] = (Parameter){ { .i = s }, 1 }
  44 #define CSETV(p, s)             [p] = (Parameter){ { .v = s }, 1 }
  45 #define CSETF(p, s)             [p] = (Parameter){ { .f = s }, 1 }
  46
  47 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  48
  49 enum {
  50         OnDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  51         OnLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  52         OnImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  53         OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  54         OnEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  55         OnBar   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
  56         OnSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  57         OnAny   = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
  58 };
  59
  60 typedef enum {
  61         CaretBrowsing,
  62         CookiePolicies,
  63         DiskCache,
  64         DNSPrefetch,
  65         FontSize,
  66         FrameFlattening,
  67         Geolocation,
  68         HideBackground,
  69         Inspector,
  70         JavaScript,
  71         KioskMode,
  72         LoadImages,
  73         Plugins,
  74         PreferredLanguages,
  75         RunInFullscreen,
  76         ScrollBars,
  77         ShowIndicators,
  78         SpellChecking,
  79         SpellLanguages,
  80         StrictSSL,
  81         Style,
  82         ZoomLevel,
  83         ParameterLast,
  84 } ParamName;
  85
  86 typedef union {
  87         int b;
  88         int i;
  89         float f;
  90         const void *v;
  91 } Arg;
  92
  93 typedef struct {
  94         Arg val;
  95         int force;
  96 } Parameter;
  97
  98 typedef struct Client {
  99         GtkWidget *win;
 100         WebKitWebView *view;
 101         WebKitWebInspector *inspector;
 102         WebKitFindController *finder;
 103         WebKitHitTestResult *mousepos;
 104         GTlsCertificateFlags tlsflags;
 105         Window xid;
 106         int progress, fullscreen;
 107         const char *title, *overtitle, *targeturi;
 108         const char *needle;
 109         struct Client *next;
 110 } Client;
 111
 112 typedef struct {
 113         guint mod;
 114         guint keyval;
 115         void (*func)(Client *c, const Arg *a);
 116         const Arg arg;
 117 } Key;
 118
 119 typedef struct {
 120         unsigned int target;
 121         unsigned int mask;
 122         guint button;
 123         void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
 124         const Arg arg;
 125         unsigned int stopevent;
 126 } Button;
 127
 128 typedef struct {
 129         const char *uri;
 130         Parameter config[ParameterLast];
 131         regex_t re;
 132 } UriParameters;
 133
 134 typedef struct {
 135         char *regex;
 136         char *style;
 137         regex_t re;
 138 } SiteStyle;
 139
 140 /* Surf */
 141 static void usage(void);
 142 static void die(const char *errstr, ...);
 143 static void setup(void);
 144 static void sigchld(int unused);
 145 static char *buildfile(const char *path);
 146 static char *buildpath(const char *path);
 147 static Client *newclient(Client *c);
 148 static void loaduri(Client *c, const Arg *a);
 149 static const char *geturi(Client *c);
 150 static void setatom(Client *c, int a, const char *v);
 151 static const char *getatom(Client *c, int a);
 152 static void updatetitle(Client *c);
 153 static void gettogglestats(Client *c);
 154 static void getpagestats(Client *c);
 155 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 156 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 157 static void seturiparameters(Client *c, const char *uri);
 158 static void setparameter(Client *c, int refresh, ParamName p, const Arg *a);
 159 static const char *getstyle(const char *uri);
 160 static void setstyle(Client *c, const char *stylefile);
 161 static void runscript(Client *c);
 162 static void evalscript(Client *c, const char *jsstr, ...);
 163 static void updatewinid(Client *c);
 164 static void handleplumb(Client *c, const char *uri);
 165 static void newwindow(Client *c, const Arg *a, int noembed);
 166 static void spawn(Client *c, const Arg *a);
 167 static void destroyclient(Client *c);
 168 static void cleanup(void);
 169
 170 /* GTK/WebKit */
 171 static GdkDevice *getkbdevice(void);
 172 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 173 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
 174                              Client *c);
 175 static gboolean buttonreleased(GtkWidget *w, GdkEvent *e, Client *c);
 176 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 177                                 gpointer d);
 178 static gboolean winevent(GtkWidget *w, GdkEvent *e, Client *c);
 179 static void showview(WebKitWebView *v, Client *c);
 180 static GtkWidget *createwindow(Client *c);
 181 static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
 182 static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
 183 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
 184 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
 185                                guint modifiers, Client *c);
 186 static gboolean permissionrequested(WebKitWebView *v,
 187                                     WebKitPermissionRequest *r, Client *c);
 188 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 189                              WebKitPolicyDecisionType dt, Client *c);
 190 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
 191 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
 192 static void decideresource(WebKitPolicyDecision *d, Client *c);
 193 static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
 194                             Client *c);
 195 static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
 196 static void download(Client *c, WebKitURIResponse *r);
 197 static void closeview(WebKitWebView *v, Client *c);
 198 static void destroywin(GtkWidget* w, Client *c);
 199
 200 /* Hotkeys */
 201 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 202 static void reload(Client *c, const Arg *a);
 203 static void print(Client *c, const Arg *a);
 204 static void clipboard(Client *c, const Arg *a);
 205 static void zoom(Client *c, const Arg *a);
 206 static void scroll(Client *c, const Arg *a);
 207 static void navigate(Client *c, const Arg *a);
 208 static void stop(Client *c, const Arg *a);
 209 static void toggle(Client *c, const Arg *a);
 210 static void togglefullscreen(Client *c, const Arg *a);
 211 static void togglecookiepolicy(Client *c, const Arg *a);
 212 static void toggleinspector(Client *c, const Arg *a);
 213 static void find(Client *c, const Arg *a);
 214
 215 /* Buttons */
 216 static void clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h);
 217 static void clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h);
 218 static void clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h);
 219
 220 static char winid[64];
 221 static char togglestats[10];
 222 static char pagestats[2];
 223 static Atom atoms[AtomLast];
 224 static Window embed;
 225 static int showxid;
 226 static int cookiepolicy;
 227 static Display *dpy;
 228 static Client *clients;
 229 static GdkDevice *gdkkb;
 230 static char *stylefile;
 231 static const char *useragent;
 232 static Parameter *curconfig;
 233 char *argv0;
 234
 235 /* configuration, allows nested code to access above variables */
 236 #include "config.h"
 237
 238 void
 239 usage(void)
 240 {
 241         die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
 242             "[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
 243             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
 244 }
 245
 246 void
 247 die(const char *errstr, ...)
 248 {
 249         va_list ap;
 250
 251         va_start(ap, errstr);
 252         vfprintf(stderr, errstr, ap);
 253         va_end(ap);
 254         exit(1);
 255 }
 256
 257 void
 258 setup(void)
 259 {
 260         int i, j;
 261
 262         /* clean up any zombies immediately */
 263         sigchld(0);
 264         gtk_init(NULL, NULL);
 265
 266         dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
 267
 268         curconfig = defconfig;
 269
 270         /* atoms */
 271         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
 272         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
 273         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
 274
 275         /* dirs and files */
 276         cookiefile = buildfile(cookiefile);
 277         scriptfile = buildfile(scriptfile);
 278         cachedir   = buildpath(cachedir);
 279
 280         gdkkb = getkbdevice();
 281
 282         if (!stylefile) {
 283                 styledir = buildpath(styledir);
 284                 for (i = 0; i < LENGTH(styles); ++i) {
 285                         if (regcomp(&(styles[i].re), styles[i].regex,
 286                             REG_EXTENDED)) {
 287                                 fprintf(stderr,
 288                                         "Could not compile regex: %s\n",
 289                                         styles[i].regex);
 290                                 styles[i].regex = NULL;
 291                         }
 292                         styles[i].style = g_strconcat(styledir, "/",
 293                                                       styles[i].style, NULL);
 294                 }
 295                 g_free(styledir);
 296         } else {
 297                 stylefile = buildfile(stylefile);
 298         }
 299
 300         for (i = 0; i < LENGTH(uriparams); ++i) {
 301                 if (!regcomp(&(uriparams[i].re), uriparams[i].uri,
 302                     REG_EXTENDED)) {
 303                         /* copy default parameters if they are not already set
 304                          * or if they are forced */
 305                         for (j = 0; j < ParameterLast; ++j) {
 306                                 if (!uriparams[i].config[j].force ||
 307                                     defconfig[j].force)
 308                                         uriparams[i].config[j] = defconfig[j];
 309                         }
 310                 } else {
 311                         fprintf(stderr,
 312                                 "Could not compile regex: %s\n",
 313                                 uriparams[i].uri);
 314                         uriparams[i].uri = NULL;
 315                 }
 316         }
 317 }
 318
 319 void
 320 sigchld(int unused)
 321 {
 322         if (signal(SIGCHLD, sigchld) == SIG_ERR)
 323                 die("Can't install SIGCHLD handler");
 324         while (waitpid(-1, NULL, WNOHANG) > 0)
 325                 ;
 326 }
 327
 328 char *
 329 buildfile(const char *path)
 330 {
 331         char *dname, *bname, *bpath, *fpath;
 332         FILE *f;
 333
 334         dname = g_path_get_dirname(path);
 335         bname = g_path_get_basename(path);
 336
 337         bpath = buildpath(dname);
 338         g_free(dname);
 339
 340         fpath = g_build_filename(bpath, bname, NULL);
 341         g_free(bpath);
 342         g_free(bname);
 343
 344         if (!(f = fopen(fpath, "a")))
 345                 die("Could not open file: %s\n", fpath);
 346
 347         g_chmod(fpath, 0600); /* always */
 348         fclose(f);
 349
 350         return fpath;
 351 }
 352
 353 char *
 354 buildpath(const char *path)
 355 {
 356         struct passwd *pw;
 357         char *apath, *name, *p, *fpath;
 358
 359         if (path[0] == '~') {
 360                 if (path[1] == '/' || path[1] == '\0') {
 361                         p = (char *)&path[1];
 362                         pw = getpwuid(getuid());
 363                 } else {
 364                         if ((p = strchr(path, '/')))
 365                                 name = g_strndup(&path[1], --p - path);
 366                         else
 367                                 name = g_strdup(&path[1]);
 368
 369                         if (!(pw = getpwnam(name))) {
 370                                 die("Can't get user %s home directory: %s.\n",
 371                                     name, path);
 372                         }
 373                         g_free(name);
 374                 }
 375                 apath = g_build_filename(pw->pw_dir, p, NULL);
 376         } else {
 377                 apath = g_strdup(path);
 378         }
 379
 380         /* creating directory */
 381         if (g_mkdir_with_parents(apath, 0700) < 0)
 382                 die("Could not access directory: %s\n", apath);
 383
 384         fpath = realpath(apath, NULL);
 385         g_free(apath);
 386
 387         return fpath;
 388 }
 389
 390 Client *
 391 newclient(Client *rc)
 392 {
 393         Client *c;
 394
 395         if (!(c = calloc(1, sizeof(Client))))
 396                 die("Cannot malloc!\n");
 397
 398         c->next = clients;
 399         clients = c;
 400
 401         c->progress = 100;
 402         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
 403         c->view = newview(c, rc ? rc->view : NULL);
 404
 405         return c;
 406 }
 407
 408 void
 409 loaduri(Client *c, const Arg *a)
 410 {
 411         struct stat st;
 412         char *url, *path;
 413         const char *uri = a->v;
 414
 415         if (g_strcmp0(uri, "") == 0)
 416                 return;
 417
 418         if (g_strrstr(uri, "://") || g_str_has_prefix(uri, "about:")) {
 419                 url = g_strdup(uri);
 420         } else if (!stat(uri, &st) && (path = realpath(uri, NULL))) {
 421                 url = g_strdup_printf("file://%s", path);
 422                 free(path);
 423         } else {
 424                 url = g_strdup_printf("http://%s", uri);
 425         }
 426
 427         setatom(c, AtomUri, url);
 428
 429         if (strcmp(url, geturi(c)) == 0) {
 430                 reload(c, a);
 431         } else {
 432                 webkit_web_view_load_uri(c->view, url);
 433                 updatetitle(c);
 434         }
 435
 436         g_free(url);
 437 }
 438
 439 const char *
 440 geturi(Client *c)
 441 {
 442         const char *uri;
 443
 444         if (!(uri = webkit_web_view_get_uri(c->view)))
 445                 uri = "about:blank";
 446         return uri;
 447 }
 448
 449 void
 450 setatom(Client *c, int a, const char *v)
 451 {
 452         XSync(dpy, False);
 453         XChangeProperty(dpy, c->xid,
 454                         atoms[a], XA_STRING, 8, PropModeReplace,
 455                         (unsigned char *)v, strlen(v) + 1);
 456 }
 457
 458 const char *
 459 getatom(Client *c, int a)
 460 {
 461         static char buf[BUFSIZ];
 462         Atom adummy;
 463         int idummy;
 464         unsigned long ldummy;
 465         unsigned char *p = NULL;
 466
 467         XGetWindowProperty(dpy, c->xid, atoms[a], 0L, BUFSIZ, False, XA_STRING,
 468                            &adummy, &idummy, &ldummy, &ldummy, &p);
 469         if (p)
 470                 strncpy(buf, (char *)p, LENGTH(buf) - 1);
 471         else
 472                 buf[0] = '\0';
 473         XFree(p);
 474
 475         return buf;
 476 }
 477
 478 void
 479 updatetitle(Client *c)
 480 {
 481         char *title;
 482         const char *name = c->overtitle ? c->overtitle :
 483                            c->title ? c->title : "";
 484
 485         if (curconfig[ShowIndicators].val.b) {
 486                 gettogglestats(c);
 487                 getpagestats(c);
 488
 489                 if (c->progress != 100)
 490                         title = g_strdup_printf("[%i%%] %s:%s | %s",
 491                                 c->progress, togglestats, pagestats, name);
 492                 else
 493                         title = g_strdup_printf("%s:%s | %s",
 494                                 togglestats, pagestats, name);
 495
 496                 gtk_window_set_title(GTK_WINDOW(c->win), title);
 497                 g_free(title);
 498         } else {
 499                 gtk_window_set_title(GTK_WINDOW(c->win), name);
 500         }
 501 }
 502
 503 void
 504 gettogglestats(Client *c)
 505 {
 506         togglestats[0] = cookiepolicy_set(cookiepolicy_get());
 507         togglestats[1] = curconfig[CaretBrowsing].val.b ?   'C' : 'c';
 508         togglestats[2] = curconfig[Geolocation].val.b ?     'G' : 'g';
 509         togglestats[3] = curconfig[DiskCache].val.b ?       'D' : 'd';
 510         togglestats[4] = curconfig[LoadImages].val.b ?      'I' : 'i';
 511         togglestats[5] = curconfig[JavaScript].val.b ?      'S' : 's';
 512         togglestats[6] = curconfig[Plugins].val.b ?         'V' : 'v';
 513         togglestats[7] = curconfig[Style].val.b ?           'M' : 'm';
 514         togglestats[8] = curconfig[FrameFlattening].val.b ? 'F' : 'f';
 515         togglestats[9] = '\0';
 516 }
 517
 518 void
 519 getpagestats(Client *c)
 520 {
 521         pagestats[0] = c->tlsflags > G_TLS_CERTIFICATE_VALIDATE_ALL ? '-' :
 522                        c->tlsflags > 0 ? 'U' : 'T';
 523         pagestats[1] = '\0';
 524 }
 525
 526 WebKitCookieAcceptPolicy
 527 cookiepolicy_get(void)
 528 {
 529         switch (((char *)curconfig[CookiePolicies].val.v)[cookiepolicy]) {
 530         case 'a':
 531                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 532         case '@':
 533                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 534         default: /* fallthrough */
 535         case 'A':
 536                 return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 537         }
 538 }
 539
 540 char
 541 cookiepolicy_set(const WebKitCookieAcceptPolicy p)
 542 {
 543         switch (p) {
 544         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 545                 return 'a';
 546         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 547                 return '@';
 548         default: /* fallthrough */
 549         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 550                 return 'A';
 551         }
 552 }
 553
 554 void
 555 seturiparameters(Client *c, const char *uri)
 556 {
 557         int i;
 558
 559         for (i = 0; i < LENGTH(uriparams); ++i) {
 560                 if (uriparams[i].uri &&
 561                     !regexec(&(uriparams[i].re), uri, 0, NULL, 0)) {
 562                         curconfig = uriparams[i].config;
 563                         break;
 564                 }
 565         }
 566
 567         for (i = 0; i < ParameterLast; ++i)
 568                 setparameter(c, 0, i, &curconfig[i].val);
 569 }
 570
 571 void
 572 setparameter(Client *c, int refresh, ParamName p, const Arg *a)
 573 {
 574         GdkRGBA bgcolor = { 0 };
 575         WebKitSettings *s = webkit_web_view_get_settings(c->view);
 576
 577         switch (p) {
 578         case CaretBrowsing:
 579                 webkit_settings_set_enable_caret_browsing(s, a->b);
 580                 refresh = 0;
 581                 break;
 582         case CookiePolicies:
 583                 webkit_cookie_manager_set_accept_policy(
 584                     webkit_web_context_get_cookie_manager(
 585                     webkit_web_view_get_context(c->view)),
 586                     cookiepolicy_get());
 587                 refresh = 0;
 588                 break;
 589         case DiskCache:
 590                 webkit_web_context_set_cache_model(
 591                     webkit_web_view_get_context(c->view), a->b ?
 592                     WEBKIT_CACHE_MODEL_WEB_BROWSER :
 593                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 594                 return; /* do not update */
 595         case DNSPrefetch:
 596                 webkit_settings_set_enable_dns_prefetching(s, a->b);
 597                 return; /* do not update */
 598         case FontSize:
 599                 webkit_settings_set_default_font_size(s, a->i);
 600                 return; /* do not update */
 601         case FrameFlattening:
 602                 webkit_settings_set_enable_frame_flattening(s, a->b);
 603                 break;
 604         case Geolocation:
 605                 refresh = 0;
 606                 break;
 607         case HideBackground:
 608                 if (a->b)
 609                         webkit_web_view_set_background_color(c->view, &bgcolor);
 610                 return; /* do not update */
 611         case Inspector:
 612                 webkit_settings_set_enable_developer_extras(s, a->b);
 613                 return; /* do not update */
 614         case JavaScript:
 615                 webkit_settings_set_enable_javascript(s, a->b);
 616                 break;
 617         case KioskMode:
 618                 return; /* do nothing */
 619         case LoadImages:
 620                 webkit_settings_set_auto_load_images(s, a->b);
 621                 break;
 622         case Plugins:
 623                 webkit_settings_set_enable_plugins(s, a->b);
 624                 break;
 625         case PreferredLanguages:
 626                 return; /* do nothing */
 627         case RunInFullscreen:
 628                 return; /* do nothing */
 629         case ScrollBars:
 630                 /* Disabled until we write some WebKitWebExtension for
 631                  * manipulating the DOM directly.
 632                 enablescrollbars = !enablescrollbars;
 633                 evalscript(c, "document.documentElement.style.overflow = '%s'",
 634                     enablescrollbars ? "auto" : "hidden");
 635                 */
 636                 return; /* do not update */
 637         case ShowIndicators:
 638                 break;
 639         case SpellChecking:
 640                 webkit_web_context_set_spell_checking_enabled(
 641                     webkit_web_view_get_context(c->view), a->b);
 642                 return; /* do not update */
 643         case SpellLanguages:
 644                 return; /* do nothing */
 645         case StrictSSL:
 646                 webkit_web_context_set_tls_errors_policy(
 647                     webkit_web_view_get_context(c->view), a->b ?
 648                     WEBKIT_TLS_ERRORS_POLICY_FAIL :
 649                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 650                 return; /* do not update */
 651         case Style:
 652                 if (a->b)
 653                         setstyle(c, getstyle(geturi(c)));
 654                 else
 655                         webkit_user_content_manager_remove_all_style_sheets(
 656                             webkit_web_view_get_user_content_manager(c->view));
 657                 refresh = 0;
 658                 break;
 659         case ZoomLevel:
 660                 webkit_web_view_set_zoom_level(c->view, a->f);
 661                 return; /* do not update */
 662         default:
 663                 return; /* do nothing */
 664         }
 665
 666         updatetitle(c);
 667         if (refresh)
 668                 reload(c, a);
 669 }
 670
 671 const char *
 672 getstyle(const char *uri)
 673 {
 674         int i;
 675
 676         if (stylefile)
 677                 return stylefile;
 678
 679         for (i = 0; i < LENGTH(styles); ++i) {
 680                 if (styles[i].regex &&
 681                     !regexec(&(styles[i].re), uri, 0, NULL, 0))
 682                         return styles[i].style;
 683         }
 684
 685         return "";
 686 }
 687
 688 void
 689 setstyle(Client *c, const char *stylefile)
 690 {
 691         gchar *style;
 692
 693         if (!g_file_get_contents(stylefile, &style, NULL, NULL)) {
 694                 fprintf(stderr, "Could not read style file: %s\n", stylefile);
 695                 return;
 696         }
 697
 698         webkit_user_content_manager_add_style_sheet(
 699             webkit_web_view_get_user_content_manager(c->view),
 700             webkit_user_style_sheet_new(style,
 701             WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 702             WEBKIT_USER_STYLE_LEVEL_USER,
 703             NULL, NULL));
 704
 705         g_free(style);
 706 }
 707
 708 void
 709 runscript(Client *c)
 710 {
 711         gchar *script;
 712         gsize l;
 713
 714         if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
 715                 evalscript(c, script);
 716         g_free(script);
 717 }
 718
 719 void
 720 evalscript(Client *c, const char *jsstr, ...)
 721 {
 722         va_list ap;
 723         gchar *script;
 724
 725         va_start(ap, jsstr);
 726         script = g_strdup_vprintf(jsstr, ap);
 727         va_end(ap);
 728
 729         webkit_web_view_run_javascript(c->view, script, NULL, NULL, NULL);
 730         g_free(script);
 731 }
 732
 733 void
 734 updatewinid(Client *c)
 735 {
 736         snprintf(winid, LENGTH(winid), "%lu", c->xid);
 737 }
 738
 739 void
 740 handleplumb(Client *c, const char *uri)
 741 {
 742         Arg a = (Arg)PLUMB(uri);
 743         spawn(c, &a);
 744 }
 745
 746 void
 747 newwindow(Client *c, const Arg *a, int noembed)
 748 {
 749         int i = 0;
 750         char tmp[64];
 751         const char *cmd[26], *uri;
 752         const Arg arg = { .v = cmd };
 753
 754         cmd[i++] = argv0;
 755         cmd[i++] = "-a";
 756         cmd[i++] = curconfig[CookiePolicies].val.v;
 757         cmd[i++] = curconfig[ScrollBars].val.b ? "-B" : "-b";
 758         if (cookiefile && g_strcmp0(cookiefile, "")) {
 759                 cmd[i++] = "-c";
 760                 cmd[i++] = cookiefile;
 761         }
 762         cmd[i++] = curconfig[DiskCache].val.b ? "-D" : "-d";
 763         if (embed && !noembed) {
 764                 cmd[i++] = "-e";
 765                 snprintf(tmp, LENGTH(tmp), "%lu", embed);
 766                 cmd[i++] = tmp;
 767         }
 768         cmd[i++] = curconfig[RunInFullscreen].val.b ? "-F" : "-f" ;
 769         cmd[i++] = curconfig[Geolocation].val.b ?     "-G" : "-g" ;
 770         cmd[i++] = curconfig[LoadImages].val.b ?      "-I" : "-i" ;
 771         cmd[i++] = curconfig[KioskMode].val.b ?       "-K" : "-k" ;
 772         cmd[i++] = curconfig[Style].val.b ?           "-M" : "-m" ;
 773         cmd[i++] = curconfig[Inspector].val.b ?       "-N" : "-n" ;
 774         cmd[i++] = curconfig[Plugins].val.b ?         "-P" : "-p" ;
 775         if (scriptfile && g_strcmp0(scriptfile, "")) {
 776                 cmd[i++] = "-r";
 777                 cmd[i++] = scriptfile;
 778         }
 779         cmd[i++] = curconfig[JavaScript].val.b ? "-S" : "-s";
 780         if (stylefile && g_strcmp0(stylefile, "")) {
 781                 cmd[i++] = "-t";
 782                 cmd[i++] = stylefile;
 783         }
 784         if (fulluseragent && g_strcmp0(fulluseragent, "")) {
 785                 cmd[i++] = "-u";
 786                 cmd[i++] = fulluseragent;
 787         }
 788         if (showxid)
 789                 cmd[i++] = "-x";
 790         /* do not keep zoom level */
 791         cmd[i++] = "--";
 792         if ((uri = a->v))
 793                 cmd[i++] = uri;
 794         cmd[i] = NULL;
 795
 796         spawn(c, &arg);
 797 }
 798
 799 void
 800 spawn(Client *c, const Arg *a)
 801 {
 802         if (fork() == 0) {
 803                 if (dpy)
 804                         close(ConnectionNumber(dpy));
 805                 setsid();
 806                 execvp(((char **)a->v)[0], (char **)a->v);
 807                 fprintf(stderr, "%s: execvp %s", argv0, ((char **)a->v)[0]);
 808                 perror(" failed");
 809                 exit(1);
 810         }
 811 }
 812
 813 void
 814 destroyclient(Client *c)
 815 {
 816         Client *p;
 817
 818         webkit_web_view_stop_loading(c->view);
 819         /* Not needed, has already been called
 820         gtk_widget_destroy(c->win);
 821          */
 822
 823         for (p = clients; p && p->next != c; p = p->next)
 824                 ;
 825         if (p)
 826                 p->next = c->next;
 827         else
 828                 clients = c->next;
 829         free(c);
 830 }
 831
 832 void
 833 cleanup(void)
 834 {
 835         while (clients)
 836                 destroyclient(clients);
 837         g_free(cookiefile);
 838         g_free(scriptfile);
 839         g_free(stylefile);
 840         g_free(cachedir);
 841 }
 842
 843 static GdkDevice *
 844 getkbdevice(void)
 845 {
 846         GList *l, *gdl = gdk_device_manager_list_devices(
 847                    gdk_display_get_device_manager(gdk_display_get_default()),
 848                    GDK_DEVICE_TYPE_MASTER);
 849         GdkDevice *gd = NULL;
 850
 851         for (l = gdl; l != NULL; l = l->next)
 852                 if (gdk_device_get_source(l->data) == GDK_SOURCE_KEYBOARD)
 853                         gd = l->data;
 854
 855         g_list_free(gdl);
 856         return gd;
 857 }
 858
 859 WebKitWebView *
 860 newview(Client *c, WebKitWebView *rv)
 861 {
 862         WebKitWebView *v;
 863         WebKitSettings *settings;
 864         WebKitUserContentManager *contentmanager;
 865         WebKitWebContext *context;
 866
 867         /* Webview */
 868         if (rv) {
 869                 v = WEBKIT_WEB_VIEW(
 870                     webkit_web_view_new_with_related_view(rv));
 871         } else {
 872                 settings = webkit_settings_new_with_settings(
 873                    "auto-load-images", curconfig[LoadImages].val.b,
 874                    "default-font-size", curconfig[FontSize].val.f,
 875                    "enable-caret-browsing", curconfig[CaretBrowsing].val.b,
 876                    "enable-developer-extras", curconfig[Inspector].val.b,
 877                    "enable-dns-prefetching", curconfig[DNSPrefetch].val.b,
 878                    "enable-frame-flattening", curconfig[FrameFlattening].val.b,
 879                    "enable-html5-database", curconfig[DiskCache].val.b,
 880                    "enable-html5-local-storage", curconfig[DiskCache].val.b,
 881                    "enable-javascript", curconfig[JavaScript].val.b,
 882                    "enable-plugins", curconfig[Plugins].val.b,
 883                    NULL);
 884 /* For mor interesting settings, have a look at
 885  * http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html */
 886
 887                 if (strcmp(fulluseragent, "")) {
 888                         webkit_settings_set_user_agent(settings, fulluseragent);
 889                 } else if (surfuseragent) {
 890                         webkit_settings_set_user_agent_with_application_details(
 891                             settings, "Surf", VERSION);
 892                 }
 893                 useragent = webkit_settings_get_user_agent(settings);
 894
 895                 contentmanager = webkit_user_content_manager_new();
 896
 897                 context = webkit_web_context_new_with_website_data_manager(
 898                           webkit_website_data_manager_new(
 899                           "base-cache-directory", cachedir,
 900                           "base-data-directory", cachedir,
 901                           NULL));
 902
 903                 /* rendering process model, can be a shared unique one
 904                  * or one for each view */
 905                 webkit_web_context_set_process_model(context,
 906                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
 907                 /* ssl */
 908                 webkit_web_context_set_tls_errors_policy(context,
 909                     curconfig[StrictSSL].val.b ? WEBKIT_TLS_ERRORS_POLICY_FAIL :
 910                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 911                 /* disk cache */
 912                 webkit_web_context_set_cache_model(context,
 913                     curconfig[DiskCache].val.b ? WEBKIT_CACHE_MODEL_WEB_BROWSER :
 914                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 915
 916                 /* Currently only works with text file to be compatible with curl */
 917                 webkit_cookie_manager_set_persistent_storage(
 918                     webkit_web_context_get_cookie_manager(context), cookiefile,
 919                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
 920                 /* cookie policy */
 921                 webkit_cookie_manager_set_accept_policy(
 922                     webkit_web_context_get_cookie_manager(context),
 923                     cookiepolicy_get());
 924                 /* languages */
 925                 webkit_web_context_set_preferred_languages(context,
 926                     curconfig[PreferredLanguages].val.v);
 927                 webkit_web_context_set_spell_checking_languages(context,
 928                     curconfig[SpellLanguages].val.v);
 929                 webkit_web_context_set_spell_checking_enabled(context,
 930                     curconfig[SpellChecking].val.b);
 931
 932                 g_signal_connect(G_OBJECT(context), "download-started",
 933                                  G_CALLBACK(downloadstarted), c);
 934
 935                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
 936                     "settings", settings,
 937                     "user-content-manager", contentmanager,
 938                     "web-context", context,
 939                     NULL);
 940         }
 941
 942         g_signal_connect(G_OBJECT(v), "notify::estimated-load-progress",
 943                          G_CALLBACK(progresschanged), c);
 944         g_signal_connect(G_OBJECT(v), "notify::title",
 945                          G_CALLBACK(titlechanged), c);
 946         g_signal_connect(G_OBJECT(v), "button-release-event",
 947                          G_CALLBACK(buttonreleased), c);
 948         g_signal_connect(G_OBJECT(v), "close",
 949                         G_CALLBACK(closeview), c);
 950         g_signal_connect(G_OBJECT(v), "create",
 951                          G_CALLBACK(createview), c);
 952         g_signal_connect(G_OBJECT(v), "decide-policy",
 953                          G_CALLBACK(decidepolicy), c);
 954         g_signal_connect(G_OBJECT(v), "load-changed",
 955                          G_CALLBACK(loadchanged), c);
 956         g_signal_connect(G_OBJECT(v), "mouse-target-changed",
 957                          G_CALLBACK(mousetargetchanged), c);
 958         g_signal_connect(G_OBJECT(v), "permission-request",
 959                          G_CALLBACK(permissionrequested), c);
 960         g_signal_connect(G_OBJECT(v), "ready-to-show",
 961                          G_CALLBACK(showview), c);
 962
 963         return v;
 964 }
 965
 966 GtkWidget *
 967 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
 968 {
 969         Client *n;
 970
 971         switch (webkit_navigation_action_get_navigation_type(a)) {
 972         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
 973                 /*
 974                  * popup windows of type “other” are almost always triggered
 975                  * by user gesture, so inverse the logic here
 976                  */
 977 /* instead of this, compare destination uri to mouse-over uri for validating window */
 978                 if (webkit_navigation_action_is_user_gesture(a))
 979                         return NULL;
 980         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
 981         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
 982         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
 983         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
 984         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
 985                 n = newclient(c);
 986                 break;
 987         default:
 988                 return NULL;
 989         }
 990
 991         return GTK_WIDGET(n->view);
 992 }
 993
 994 gboolean
 995 buttonreleased(GtkWidget *w, GdkEvent *e, Client *c)
 996 {
 997         WebKitHitTestResultContext element;
 998         int i;
 999
1000         element = webkit_hit_test_result_get_context(c->mousepos);
1001
1002         for (i = 0; i < LENGTH(buttons); ++i) {
1003                 if (element & buttons[i].target &&
1004                     e->button.button == buttons[i].button &&
1005                     CLEANMASK(e->button.state) == CLEANMASK(buttons[i].mask) &&
1006                     buttons[i].func) {
1007                         buttons[i].func(c, &buttons[i].arg, c->mousepos);
1008                         return buttons[i].stopevent;
1009                 }
1010         }
1011
1012         return FALSE;
1013 }
1014
1015 GdkFilterReturn
1016 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1017 {
1018         Client *c = (Client *)d;
1019         XPropertyEvent *ev;
1020         Arg a;
1021
1022         if (((XEvent *)e)->type == PropertyNotify) {
1023                 ev = &((XEvent *)e)->xproperty;
1024                 if (ev->state == PropertyNewValue) {
1025                         if (ev->atom == atoms[AtomFind]) {
1026                                 find(c, NULL);
1027
1028                                 return GDK_FILTER_REMOVE;
1029                         } else if (ev->atom == atoms[AtomGo]) {
1030                                 a.v = getatom(c, AtomGo);
1031                                 loaduri(c, &a);
1032
1033                                 return GDK_FILTER_REMOVE;
1034                         }
1035                 }
1036         }
1037         return GDK_FILTER_CONTINUE;
1038 }
1039
1040 gboolean
1041 winevent(GtkWidget *w, GdkEvent *e, Client *c)
1042 {
1043         int i;
1044
1045         switch (e->type) {
1046         case GDK_ENTER_NOTIFY:
1047                 c->overtitle = c->targeturi;
1048                 updatetitle(c);
1049                 break;
1050         case GDK_KEY_PRESS:
1051                 if (!curconfig[KioskMode].val.b) {
1052                         for (i = 0; i < LENGTH(keys); ++i) {
1053                                 if (gdk_keyval_to_lower(e->key.keyval) ==
1054                                     keys[i].keyval &&
1055                                     CLEANMASK(e->key.state) == keys[i].mod &&
1056                                     keys[i].func) {
1057                                         updatewinid(c);
1058                                         keys[i].func(c, &(keys[i].arg));
1059                                         return TRUE;
1060                                 }
1061                         }
1062                 }
1063         case GDK_LEAVE_NOTIFY:
1064                 c->overtitle = NULL;
1065                 updatetitle(c);
1066                 break;
1067         case GDK_WINDOW_STATE:
1068                 if (e->window_state.changed_mask ==
1069                     GDK_WINDOW_STATE_FULLSCREEN)
1070                         c->fullscreen = e->window_state.new_window_state &
1071                                         GDK_WINDOW_STATE_FULLSCREEN;
1072                 break;
1073         default:
1074                 break;
1075         }
1076
1077         return FALSE;
1078 }
1079
1080 void
1081 showview(WebKitWebView *v, Client *c)
1082 {
1083         GdkRGBA bgcolor = { 0 };
1084         GdkWindow *gwin;
1085
1086         c->finder = webkit_web_view_get_find_controller(c->view);
1087         if (curconfig[Inspector].val.b)
1088                 c->inspector = webkit_web_view_get_inspector(c->view);
1089
1090         c->win = createwindow(c);
1091
1092         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1093         gtk_widget_show_all(c->win);
1094         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1095
1096         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1097         c->xid = gdk_x11_window_get_xid(gwin);
1098         updatewinid(c);
1099         if (showxid) {
1100                 gdk_display_sync(gtk_widget_get_display(c->win));
1101                 puts(winid);
1102         }
1103
1104         if (curconfig[HideBackground].val.b)
1105                 webkit_web_view_set_background_color(c->view, &bgcolor);
1106
1107         if (!curconfig[KioskMode].val.b) {
1108                 gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1109                 gdk_window_add_filter(gwin, processx, c);
1110         }
1111
1112         if (curconfig[RunInFullscreen].val.b)
1113                 togglefullscreen(c, NULL);
1114
1115         if (curconfig[ZoomLevel].val.f != 1.0)
1116                 webkit_web_view_set_zoom_level(c->view,
1117                                                curconfig[ZoomLevel].val.f);
1118
1119         setatom(c, AtomFind, "");
1120         setatom(c, AtomUri, "about:blank");
1121 }
1122
1123 GtkWidget *
1124 createwindow(Client *c)
1125 {
1126         char *wmstr;
1127         GtkWidget *w;
1128
1129         if (embed) {
1130                 w = gtk_plug_new(embed);
1131         } else {
1132                 w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1133
1134                 wmstr = g_path_get_basename(argv0);
1135                 gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf");
1136                 g_free(wmstr);
1137
1138                 wmstr = g_strdup_printf("%s[%lu]", "Surf",
1139                         webkit_web_view_get_page_id(c->view));
1140                 gtk_window_set_role(GTK_WINDOW(w), wmstr);
1141                 g_free(wmstr);
1142
1143                 gtk_window_set_default_size(GTK_WINDOW(w), 800, 600);
1144         }
1145
1146         g_signal_connect(G_OBJECT(w), "destroy",
1147                          G_CALLBACK(destroywin), c);
1148         g_signal_connect(G_OBJECT(w), "enter-notify-event",
1149                          G_CALLBACK(winevent), c);
1150         g_signal_connect(G_OBJECT(w), "key-press-event",
1151                          G_CALLBACK(winevent), c);
1152         g_signal_connect(G_OBJECT(w), "leave-notify-event",
1153                          G_CALLBACK(winevent), c);
1154         g_signal_connect(G_OBJECT(w), "window-state-event",
1155                          G_CALLBACK(winevent), c);
1156
1157         return w;
1158 }
1159
1160 void
1161 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
1162 {
1163         const char *title = geturi(c);
1164
1165         switch (e) {
1166         case WEBKIT_LOAD_STARTED:
1167                 curconfig = defconfig;
1168                 setatom(c, AtomUri, title);
1169                 c->title = title;
1170                 c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
1171                 break;
1172         case WEBKIT_LOAD_REDIRECTED:
1173                 setatom(c, AtomUri, title);
1174                 c->title = title;
1175                 break;
1176         case WEBKIT_LOAD_COMMITTED:
1177                 setatom(c, AtomUri, title);
1178                 c->title = title;
1179                 if (!webkit_web_view_get_tls_info(c->view, NULL,
1180                     &(c->tlsflags)))
1181                         c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
1182
1183                 setatom(c, AtomUri, geturi(c));
1184                 seturiparameters(c, geturi(c));
1185                 break;
1186         case WEBKIT_LOAD_FINISHED:
1187                 /* Disabled until we write some WebKitWebExtension for
1188                  * manipulating the DOM directly.
1189                 evalscript(c, "document.documentElement.style.overflow = '%s'",
1190                     enablescrollbars ? "auto" : "hidden");
1191                 */
1192                 runscript(c);
1193                 break;
1194         }
1195         updatetitle(c);
1196 }
1197
1198 void
1199 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1200 {
1201         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1202                       100;
1203         updatetitle(c);
1204 }
1205
1206 void
1207 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1208 {
1209         c->title = webkit_web_view_get_title(c->view);
1210         updatetitle(c);
1211 }
1212
1213 void
1214 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
1215     Client *c)
1216 {
1217         WebKitHitTestResultContext hc = webkit_hit_test_result_get_context(h);
1218
1219         /* Keep the hit test to know where is the pointer on the next click */
1220         c->mousepos = h;
1221
1222         if (hc & OnLink)
1223                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
1224         else if (hc & OnImg)
1225                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
1226         else if (hc & OnMedia)
1227                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
1228         else
1229                 c->targeturi = NULL;
1230
1231         c->overtitle = c->targeturi;
1232         updatetitle(c);
1233 }
1234
1235 gboolean
1236 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
1237 {
1238         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
1239                 if (curconfig[Geolocation].val.b)
1240                         webkit_permission_request_allow(r);
1241                 else
1242                         webkit_permission_request_deny(r);
1243                 return TRUE;
1244         }
1245
1246         return FALSE;
1247 }
1248
1249 gboolean
1250 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
1251     WebKitPolicyDecisionType dt, Client *c)
1252 {
1253         switch (dt) {
1254         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
1255                 decidenavigation(d, c);
1256                 break;
1257         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
1258                 decidenewwindow(d, c);
1259                 break;
1260         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
1261                 decideresource(d, c);
1262                 break;
1263         default:
1264                 webkit_policy_decision_ignore(d);
1265                 break;
1266         }
1267         return TRUE;
1268 }
1269
1270 void
1271 decidenavigation(WebKitPolicyDecision *d, Client *c)
1272 {
1273         WebKitNavigationAction *a =
1274             webkit_navigation_policy_decision_get_navigation_action(
1275             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1276
1277         switch (webkit_navigation_action_get_navigation_type(a)) {
1278         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1279         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1280         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1281         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1282         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED: /* fallthrough */
1283         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1284         default:
1285                 /* Do not navigate to links with a "_blank" target (popup) */
1286                 if (webkit_navigation_policy_decision_get_frame_name(
1287                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
1288                         webkit_policy_decision_ignore(d);
1289                 } else {
1290                         /* Filter out navigation to different domain ? */
1291                         /* get action→urirequest, copy and load in new window+view
1292                          * on Ctrl+Click ? */
1293                         webkit_policy_decision_use(d);
1294                 }
1295                 break;
1296         }
1297 }
1298
1299 void
1300 decidenewwindow(WebKitPolicyDecision *d, Client *c)
1301 {
1302         Arg arg;
1303         WebKitNavigationAction *a =
1304             webkit_navigation_policy_decision_get_navigation_action(
1305             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1306
1307
1308         switch (webkit_navigation_action_get_navigation_type(a)) {
1309         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1310         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1311         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1312         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1313         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1314                 /* Filter domains here */
1315 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
1316  * test for link clicked but no button ? */
1317                 arg.v = webkit_uri_request_get_uri(
1318                         webkit_navigation_action_get_request(a));
1319                 newwindow(c, &arg, 0);
1320                 break;
1321         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1322         default:
1323                 break;
1324         }
1325
1326         webkit_policy_decision_ignore(d);
1327 }
1328
1329 void
1330 decideresource(WebKitPolicyDecision *d, Client *c)
1331 {
1332         int i, isascii = 1;
1333         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
1334         WebKitURIResponse *res =
1335             webkit_response_policy_decision_get_response(r);
1336         const gchar *uri = webkit_uri_response_get_uri(res);
1337
1338         if (g_str_has_suffix(uri, "/favicon.ico")) {
1339                 webkit_policy_decision_ignore(d);
1340                 return;
1341         }
1342
1343         if (!g_str_has_prefix(uri, "http://")
1344             && !g_str_has_prefix(uri, "https://")
1345             && !g_str_has_prefix(uri, "about:")
1346             && !g_str_has_prefix(uri, "file://")
1347             && !g_str_has_prefix(uri, "data:")
1348             && !g_str_has_prefix(uri, "blob:")
1349             && strlen(uri) > 0) {
1350                 for (i = 0; i < strlen(uri); i++) {
1351                         if (!g_ascii_isprint(uri[i])) {
1352                                 isascii = 0;
1353                                 break;
1354                         }
1355                 }
1356                 if (isascii) {
1357                         handleplumb(c, uri);
1358                         webkit_policy_decision_ignore(d);
1359                         return;
1360                 }
1361         }
1362
1363         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
1364                 webkit_policy_decision_use(d);
1365         } else {
1366                 webkit_policy_decision_ignore(d);
1367                 download(c, res);
1368         }
1369 }
1370
1371 void
1372 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
1373 {
1374         g_signal_connect(G_OBJECT(d), "notify::response",
1375                          G_CALLBACK(responsereceived), c);
1376 }
1377
1378 void
1379 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
1380 {
1381         download(c, webkit_download_get_response(d));
1382         webkit_download_cancel(d);
1383 }
1384
1385 void
1386 download(Client *c, WebKitURIResponse *r)
1387 {
1388         Arg a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
1389         spawn(c, &a);
1390 }
1391
1392 void
1393 closeview(WebKitWebView *v, Client *c)
1394 {
1395         gtk_widget_destroy(c->win);
1396 }
1397
1398 void
1399 destroywin(GtkWidget* w, Client *c)
1400 {
1401         destroyclient(c);
1402         if (!clients)
1403                 gtk_main_quit();
1404 }
1405
1406 void
1407 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1408 {
1409         Arg a = {.v = text };
1410         if (text)
1411                 loaduri((Client *) d, &a);
1412 }
1413
1414 void
1415 reload(Client *c, const Arg *a)
1416 {
1417         if (a->b)
1418                 webkit_web_view_reload_bypass_cache(c->view);
1419         else
1420                 webkit_web_view_reload(c->view);
1421 }
1422
1423 void
1424 print(Client *c, const Arg *a)
1425 {
1426         webkit_print_operation_run_dialog(webkit_print_operation_new(c->view),
1427                                           GTK_WINDOW(c->win));
1428 }
1429
1430 void
1431 clipboard(Client *c, const Arg *a)
1432 {
1433         if (a->b) { /* load clipboard uri */
1434                 gtk_clipboard_request_text(gtk_clipboard_get(
1435                                            GDK_SELECTION_PRIMARY),
1436                                            pasteuri, c);
1437         } else { /* copy uri */
1438                 gtk_clipboard_set_text(gtk_clipboard_get(
1439                                        GDK_SELECTION_PRIMARY), c->targeturi
1440                                        ? c->targeturi : geturi(c), -1);
1441         }
1442 }
1443
1444 void
1445 zoom(Client *c, const Arg *a)
1446 {
1447         if (a->i > 0)
1448                 webkit_web_view_set_zoom_level(c->view,
1449                                                curconfig[ZoomLevel].val.f + 0.1);
1450         else if (a->i < 0)
1451                 webkit_web_view_set_zoom_level(c->view,
1452                                                curconfig[ZoomLevel].val.f - 0.1);
1453         else
1454                 webkit_web_view_set_zoom_level(c->view, 1.0);
1455
1456         curconfig[ZoomLevel].val.f = webkit_web_view_get_zoom_level(c->view);
1457 }
1458
1459 void
1460 scroll(Client *c, const Arg *a)
1461 {
1462         GdkEvent *ev = gdk_event_new(GDK_KEY_PRESS);
1463
1464         gdk_event_set_device(ev, gdkkb);
1465 //      gdk_event_set_screen(ev, gdk_screen_get_default());
1466         ev->key.window = gtk_widget_get_window(GTK_WIDGET(c->win));
1467         ev->key.state = GDK_CONTROL_MASK;
1468         ev->key.time = GDK_CURRENT_TIME;
1469
1470         switch (a->i) {
1471         case 'd':
1472                 ev->key.keyval = GDK_KEY_Down;
1473                 break;
1474         case 'D':
1475                 ev->key.keyval = GDK_KEY_Page_Down;
1476                 break;
1477         case 'l':
1478                 ev->key.keyval = GDK_KEY_Left;
1479                 break;
1480         case 'r':
1481                 ev->key.keyval = GDK_KEY_Right;
1482                 break;
1483         case 'U':
1484                 ev->key.keyval = GDK_KEY_Page_Up;
1485                 break;
1486         case 'u':
1487                 ev->key.keyval = GDK_KEY_Up;
1488                 break;
1489         }
1490
1491         gdk_event_put(ev);
1492 }
1493
1494 void
1495 navigate(Client *c, const Arg *a)
1496 {
1497         if (a->i < 0)
1498                 webkit_web_view_go_back(c->view);
1499         else if (a->i > 0)
1500                 webkit_web_view_go_forward(c->view);
1501 }
1502
1503 void
1504 stop(Client *c, const Arg *a)
1505 {
1506         webkit_web_view_stop_loading(c->view);
1507 }
1508
1509 void
1510 toggle(Client *c, const Arg *a)
1511 {
1512         curconfig[a->i].val.b ^= 1;
1513         setparameter(c, 1, (ParamName)a->i, &curconfig[a->i].val);
1514 }
1515
1516 void
1517 togglefullscreen(Client *c, const Arg *a)
1518 {
1519         /* toggling value is handled in winevent() */
1520         if (c->fullscreen)
1521                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
1522         else
1523                 gtk_window_fullscreen(GTK_WINDOW(c->win));
1524 }
1525
1526 void
1527 togglecookiepolicy(Client *c, const Arg *a)
1528 {
1529         ++cookiepolicy;
1530         cookiepolicy %= strlen(curconfig[CookiePolicies].val.v);
1531
1532         setparameter(c, 0, CookiePolicies, NULL);
1533 }
1534
1535 void
1536 toggleinspector(Client *c, const Arg *a)
1537 {
1538         if (curconfig[Inspector].val.b) {
1539                 if (webkit_web_inspector_is_attached(c->inspector))
1540                         webkit_web_inspector_close(c->inspector);
1541                 else
1542                         webkit_web_inspector_show(c->inspector);
1543         }
1544 }
1545
1546 void
1547 find(Client *c, const Arg *a)
1548 {
1549         const char *s, *f;
1550
1551         if (a && a->i) {
1552                 if (a->i > 0)
1553                         webkit_find_controller_search_next(c->finder);
1554                 else
1555                         webkit_find_controller_search_previous(c->finder);
1556         } else {
1557                 s = getatom(c, AtomFind);
1558                 f = webkit_find_controller_get_search_text(c->finder);
1559
1560                 if (g_strcmp0(f, s) == 0) /* reset search */
1561                         webkit_find_controller_search(c->finder, "", findopts,
1562                                                       G_MAXUINT);
1563
1564                 webkit_find_controller_search(c->finder, s, findopts,
1565                                               G_MAXUINT);
1566
1567                 if (strcmp(s, "") == 0)
1568                         webkit_find_controller_search_finish(c->finder);
1569         }
1570 }
1571
1572 void
1573 clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h)
1574 {
1575         navigate(c, a);
1576 }
1577
1578 void
1579 clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h)
1580 {
1581         Arg arg;
1582
1583         arg.v = webkit_hit_test_result_get_link_uri(h);
1584         newwindow(c, &arg, a->b);
1585 }
1586
1587 void
1588 clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h)
1589 {
1590         Arg arg;
1591
1592         arg = (Arg)VIDEOPLAY(webkit_hit_test_result_get_media_uri(h));
1593         spawn(c, &arg);
1594 }
1595
1596 int
1597 main(int argc, char *argv[])
1598 {
1599         Arg arg;
1600         Client *c;
1601
1602         memset(&arg, 0, sizeof(arg));
1603
1604         /* command line args */
1605         ARGBEGIN {
1606         case 'a':
1607                 defconfig CSETV(CookiePolicies, EARGF(usage()));
1608                 break;
1609         case 'b':
1610                 defconfig CSETB(ScrollBars, 0);
1611                 break;
1612         case 'B':
1613                 defconfig CSETB(ScrollBars, 1);
1614                 break;
1615         case 'c':
1616                 cookiefile = EARGF(usage());
1617                 break;
1618         case 'd':
1619                 defconfig CSETB(DiskCache, 0);
1620                 break;
1621         case 'D':
1622                 defconfig CSETB(DiskCache, 1);
1623                 break;
1624         case 'e':
1625                 embed = strtol(EARGF(usage()), NULL, 0);
1626                 break;
1627         case 'f':
1628                 defconfig CSETB(RunInFullscreen, 0);
1629                 break;
1630         case 'F':
1631                 defconfig CSETB(RunInFullscreen, 1);
1632                 break;
1633         case 'g':
1634                 defconfig CSETB(Geolocation, 0);
1635                 break;
1636         case 'G':
1637                 defconfig CSETB(Geolocation, 1);
1638                 break;
1639         case 'i':
1640                 defconfig CSETB(LoadImages, 0);
1641                 break;
1642         case 'I':
1643                 defconfig CSETB(LoadImages, 1);
1644                 break;
1645         case 'k':
1646                 defconfig CSETB(KioskMode, 0);
1647                 break;
1648         case 'K':
1649                 defconfig CSETB(KioskMode, 1);
1650                 break;
1651         case 'm':
1652                 defconfig CSETB(Style, 0);
1653                 break;
1654         case 'M':
1655                 defconfig CSETB(Style, 1);
1656                 break;
1657         case 'n':
1658                 defconfig CSETB(Inspector, 0);
1659                 break;
1660         case 'N':
1661                 defconfig CSETB(Inspector, 1);
1662                 break;
1663         case 'p':
1664                 defconfig CSETB(Plugins, 0);
1665                 break;
1666         case 'P':
1667                 defconfig CSETB(Plugins, 1);
1668                 break;
1669         case 'r':
1670                 scriptfile = EARGF(usage());
1671                 break;
1672         case 's':
1673                 defconfig CSETB(JavaScript, 0);
1674                 break;
1675         case 'S':
1676                 defconfig CSETB(JavaScript, 1);
1677                 break;
1678         case 't':
1679                 stylefile = EARGF(usage());
1680                 break;
1681         case 'u':
1682                 fulluseragent = EARGF(usage());
1683                 break;
1684         case 'v':
1685                 die("surf-"VERSION", ©2009-2015 surf engineers, "
1686                     "see LICENSE for details\n");
1687         case 'x':
1688                 showxid = 1;
1689                 break;
1690         case 'z':
1691                 defconfig CSETF(ZoomLevel, strtof(EARGF(usage()), NULL));
1692                 break;
1693         default:
1694                 usage();
1695         } ARGEND;
1696         if (argc > 0)
1697                 arg.v = argv[0];
1698         else
1699                 arg.v = "about:blank";
1700
1701         setup();
1702         c = newclient(NULL);
1703         showview(NULL, c);
1704
1705         loaduri(c, &arg);
1706         updatetitle(c);
1707
1708         gtk_main();
1709         cleanup();
1710
1711         return 0;
1712 }