surf

surf browser, a WebKit based browser
git clone git://git.suckless.org/surf
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surf.c (53254B)


      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 <glib.h>
      9 #include <libgen.h>
     10 #include <limits.h>
     11 #include <pwd.h>
     12 #include <regex.h>
     13 #include <signal.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 <gcr/gcr.h>
     26 #include <JavaScriptCore/JavaScript.h>
     27 #include <webkit2/webkit2.h>
     28 #include <X11/X.h>
     29 #include <X11/Xatom.h>
     30 #include <glib.h>
     31 
     32 #include "arg.h"
     33 #include "common.h"
     34 
     35 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
     36 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
     37 
     38 enum { AtomFind, AtomGo, AtomUri, AtomLast };
     39 
     40 enum {
     41 	OnDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
     42 	OnLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
     43 	OnImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
     44 	OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
     45 	OnEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
     46 	OnBar   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
     47 	OnSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
     48 	OnAny   = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
     49 };
     50 
     51 typedef enum {
     52 	AcceleratedCanvas,
     53 	AccessMicrophone,
     54 	AccessWebcam,
     55 	CaretBrowsing,
     56 	Certificate,
     57 	CookiePolicies,
     58 	DiskCache,
     59 	DefaultCharset,
     60 	DNSPrefetch,
     61 	FileURLsCrossAccess,
     62 	FontSize,
     63 	FrameFlattening,
     64 	Geolocation,
     65 	HideBackground,
     66 	Inspector,
     67 	Java,
     68 	JavaScript,
     69 	KioskMode,
     70 	LoadImages,
     71 	MediaManualPlay,
     72 	Plugins,
     73 	PreferredLanguages,
     74 	RunInFullscreen,
     75 	ScrollBars,
     76 	ShowIndicators,
     77 	SiteQuirks,
     78 	SmoothScrolling,
     79 	SpellChecking,
     80 	SpellLanguages,
     81 	StrictTLS,
     82 	Style,
     83 	WebGL,
     84 	ZoomLevel,
     85 	ParameterLast
     86 } ParamName;
     87 
     88 typedef union {
     89 	int i;
     90 	float f;
     91 	const void *v;
     92 } Arg;
     93 
     94 typedef struct {
     95 	Arg val;
     96 	int prio;
     97 } Parameter;
     98 
     99 typedef struct Client {
    100 	GtkWidget *win;
    101 	WebKitWebView *view;
    102 	WebKitWebInspector *inspector;
    103 	WebKitFindController *finder;
    104 	WebKitHitTestResult *mousepos;
    105 	GTlsCertificate *cert, *failedcert;
    106 	GTlsCertificateFlags tlserr;
    107 	Window xid;
    108 	unsigned long pageid;
    109 	int progress, fullscreen, https, insecure, errorpage;
    110 	const char *title, *overtitle, *targeturi;
    111 	const char *needle;
    112 	struct Client *next;
    113 } Client;
    114 
    115 typedef struct {
    116 	guint mod;
    117 	guint keyval;
    118 	void (*func)(Client *c, const Arg *a);
    119 	const Arg arg;
    120 } Key;
    121 
    122 typedef struct {
    123 	unsigned int target;
    124 	unsigned int mask;
    125 	guint button;
    126 	void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
    127 	const Arg arg;
    128 	unsigned int stopevent;
    129 } Button;
    130 
    131 typedef struct {
    132 	const char *uri;
    133 	Parameter config[ParameterLast];
    134 	regex_t re;
    135 } UriParameters;
    136 
    137 typedef struct {
    138 	char *regex;
    139 	char *file;
    140 	regex_t re;
    141 } SiteSpecific;
    142 
    143 /* Surf */
    144 static void usage(void);
    145 static void setup(void);
    146 static void sigchld(int unused);
    147 static void sighup(int unused);
    148 static char *buildfile(const char *path);
    149 static char *buildpath(const char *path);
    150 static char *untildepath(const char *path);
    151 static const char *getuserhomedir(const char *user);
    152 static const char *getcurrentuserhomedir(void);
    153 static Client *newclient(Client *c);
    154 static void loaduri(Client *c, const Arg *a);
    155 static const char *geturi(Client *c);
    156 static void setatom(Client *c, int a, const char *v);
    157 static const char *getatom(Client *c, int a);
    158 static void updatetitle(Client *c);
    159 static void gettogglestats(Client *c);
    160 static void getpagestats(Client *c);
    161 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
    162 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
    163 static void seturiparameters(Client *c, const char *uri, ParamName *params);
    164 static void setparameter(Client *c, int refresh, ParamName p, const Arg *a);
    165 static const char *getcert(const char *uri);
    166 static void setcert(Client *c, const char *file);
    167 static const char *getstyle(const char *uri);
    168 static void setstyle(Client *c, const char *file);
    169 static void runscript(Client *c);
    170 static void evalscript(Client *c, const char *jsstr, ...);
    171 static void updatewinid(Client *c);
    172 static void handleplumb(Client *c, const char *uri);
    173 static void newwindow(Client *c, const Arg *a, int noembed);
    174 static void spawn(Client *c, const Arg *a);
    175 static void msgext(Client *c, char type, const Arg *a);
    176 static void destroyclient(Client *c);
    177 static void cleanup(void);
    178 
    179 /* GTK/WebKit */
    180 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
    181 static void initwebextensions(WebKitWebContext *wc, Client *c);
    182 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
    183                              Client *c);
    184 static gboolean buttonreleased(GtkWidget *w, GdkEvent *e, Client *c);
    185 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
    186                                 gpointer d);
    187 static gboolean winevent(GtkWidget *w, GdkEvent *e, Client *c);
    188 static gboolean readpipe(GIOChannel *s, GIOCondition ioc, gpointer unused);
    189 static void showview(WebKitWebView *v, Client *c);
    190 static GtkWidget *createwindow(Client *c);
    191 static gboolean loadfailedtls(WebKitWebView *v, gchar *uri,
    192                               GTlsCertificate *cert,
    193                               GTlsCertificateFlags err, Client *c);
    194 static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
    195 static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
    196 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
    197 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
    198                                guint modifiers, Client *c);
    199 static gboolean permissionrequested(WebKitWebView *v,
    200                                     WebKitPermissionRequest *r, Client *c);
    201 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
    202                              WebKitPolicyDecisionType dt, Client *c);
    203 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
    204 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
    205 static void decideresource(WebKitPolicyDecision *d, Client *c);
    206 static void insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e,
    207                             Client *c);
    208 static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
    209                             Client *c);
    210 static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
    211 static void download(Client *c, WebKitURIResponse *r);
    212 static void webprocessterminated(WebKitWebView *v,
    213                                  WebKitWebProcessTerminationReason r,
    214                                  Client *c);
    215 static void closeview(WebKitWebView *v, Client *c);
    216 static void destroywin(GtkWidget* w, Client *c);
    217 
    218 /* Hotkeys */
    219 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
    220 static void reload(Client *c, const Arg *a);
    221 static void print(Client *c, const Arg *a);
    222 static void showcert(Client *c, const Arg *a);
    223 static void clipboard(Client *c, const Arg *a);
    224 static void zoom(Client *c, const Arg *a);
    225 static void scrollv(Client *c, const Arg *a);
    226 static void scrollh(Client *c, const Arg *a);
    227 static void navigate(Client *c, const Arg *a);
    228 static void stop(Client *c, const Arg *a);
    229 static void toggle(Client *c, const Arg *a);
    230 static void togglefullscreen(Client *c, const Arg *a);
    231 static void togglecookiepolicy(Client *c, const Arg *a);
    232 static void toggleinspector(Client *c, const Arg *a);
    233 static void find(Client *c, const Arg *a);
    234 
    235 /* Buttons */
    236 static void clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h);
    237 static void clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h);
    238 static void clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h);
    239 
    240 static char winid[64];
    241 static char togglestats[12];
    242 static char pagestats[2];
    243 static Atom atoms[AtomLast];
    244 static Window embed;
    245 static int showxid;
    246 static int cookiepolicy;
    247 static Display *dpy;
    248 static Client *clients;
    249 static GdkDevice *gdkkb;
    250 static char *stylefile;
    251 static const char *useragent;
    252 static Parameter *curconfig;
    253 static int modparams[ParameterLast];
    254 static int pipein[2], pipeout[2];
    255 char *argv0;
    256 
    257 static ParamName loadtransient[] = {
    258 	Certificate,
    259 	CookiePolicies,
    260 	DiskCache,
    261 	DNSPrefetch,
    262 	FileURLsCrossAccess,
    263 	JavaScript,
    264 	LoadImages,
    265 	PreferredLanguages,
    266 	ShowIndicators,
    267 	StrictTLS,
    268 	ParameterLast
    269 };
    270 
    271 static ParamName loadcommitted[] = {
    272 	AcceleratedCanvas,
    273 //	AccessMicrophone,
    274 //	AccessWebcam,
    275 	CaretBrowsing,
    276 	DefaultCharset,
    277 	FontSize,
    278 	FrameFlattening,
    279 	Geolocation,
    280 	HideBackground,
    281 	Inspector,
    282 	Java,
    283 //	KioskMode,
    284 	MediaManualPlay,
    285 	Plugins,
    286 	RunInFullscreen,
    287 	ScrollBars,
    288 	SiteQuirks,
    289 	SmoothScrolling,
    290 	SpellChecking,
    291 	SpellLanguages,
    292 	Style,
    293 	ZoomLevel,
    294 	ParameterLast
    295 };
    296 
    297 static ParamName loadfinished[] = {
    298 	ParameterLast
    299 };
    300 
    301 /* configuration, allows nested code to access above variables */
    302 #include "config.h"
    303 
    304 void
    305 usage(void)
    306 {
    307 	die("usage: surf [-bBdDfFgGiIkKmMnNpPsStTvwxX]\n"
    308 	    "[-a cookiepolicies ] [-c cookiefile] [-C stylefile] [-e xid]\n"
    309 	    "[-r scriptfile] [-u useragent] [-z zoomlevel] [uri]\n");
    310 }
    311 
    312 void
    313 setup(void)
    314 {
    315 	GIOChannel *gchanin;
    316 	GdkDisplay *gdpy;
    317 	int i, j;
    318 
    319 	/* clean up any zombies immediately */
    320 	sigchld(0);
    321 	if (signal(SIGHUP, sighup) == SIG_ERR)
    322 		die("Can't install SIGHUP handler");
    323 
    324 	if (!(dpy = XOpenDisplay(NULL)))
    325 		die("Can't open default display");
    326 
    327 	/* atoms */
    328 	atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
    329 	atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
    330 	atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
    331 
    332 	gtk_init(NULL, NULL);
    333 
    334 	gdpy = gdk_display_get_default();
    335 
    336 	curconfig = defconfig;
    337 
    338 	/* dirs and files */
    339 	cookiefile = buildfile(cookiefile);
    340 	scriptfile = buildfile(scriptfile);
    341 	cachedir   = buildpath(cachedir);
    342 	certdir    = buildpath(certdir);
    343 
    344 	gdkkb = gdk_seat_get_keyboard(gdk_display_get_default_seat(gdpy));
    345 
    346 	if (pipe(pipeout) < 0 || pipe(pipein) < 0) {
    347 		fputs("Unable to create pipes\n", stderr);
    348 	} else {
    349 		gchanin = g_io_channel_unix_new(pipein[0]);
    350 		g_io_channel_set_encoding(gchanin, NULL, NULL);
    351 		g_io_channel_set_close_on_unref(gchanin, TRUE);
    352 		g_io_add_watch(gchanin, G_IO_IN, readpipe, NULL);
    353 	}
    354 
    355 
    356 	for (i = 0; i < LENGTH(certs); ++i) {
    357 		if (!regcomp(&(certs[i].re), certs[i].regex, REG_EXTENDED)) {
    358 			certs[i].file = g_strconcat(certdir, "/", certs[i].file,
    359 			                            NULL);
    360 		} else {
    361 			fprintf(stderr, "Could not compile regex: %s\n",
    362 			        certs[i].regex);
    363 			certs[i].regex = NULL;
    364 		}
    365 	}
    366 
    367 	if (!stylefile) {
    368 		styledir = buildpath(styledir);
    369 		for (i = 0; i < LENGTH(styles); ++i) {
    370 			if (!regcomp(&(styles[i].re), styles[i].regex,
    371 			    REG_EXTENDED)) {
    372 				styles[i].file = g_strconcat(styledir, "/",
    373 				                    styles[i].file, NULL);
    374 			} else {
    375 				fprintf(stderr, "Could not compile regex: %s\n",
    376 				        styles[i].regex);
    377 				styles[i].regex = NULL;
    378 			}
    379 		}
    380 		g_free(styledir);
    381 	} else {
    382 		stylefile = buildfile(stylefile);
    383 	}
    384 
    385 	for (i = 0; i < LENGTH(uriparams); ++i) {
    386 		if (regcomp(&(uriparams[i].re), uriparams[i].uri,
    387 		    REG_EXTENDED)) {
    388 			fprintf(stderr, "Could not compile regex: %s\n",
    389 			        uriparams[i].uri);
    390 			uriparams[i].uri = NULL;
    391 			continue;
    392 		}
    393 
    394 		/* copy default parameters with higher priority */
    395 		for (j = 0; j < ParameterLast; ++j) {
    396 			if (defconfig[j].prio >= uriparams[i].config[j].prio)
    397 				uriparams[i].config[j] = defconfig[j];
    398 		}
    399 	}
    400 }
    401 
    402 void
    403 sigchld(int unused)
    404 {
    405 	if (signal(SIGCHLD, sigchld) == SIG_ERR)
    406 		die("Can't install SIGCHLD handler");
    407 	while (waitpid(-1, NULL, WNOHANG) > 0)
    408 		;
    409 }
    410 
    411 void
    412 sighup(int unused)
    413 {
    414 	Arg a = { .i = 0 };
    415 	Client *c;
    416 
    417 	for (c = clients; c; c = c->next)
    418 		reload(c, &a);
    419 }
    420 
    421 char *
    422 buildfile(const char *path)
    423 {
    424 	char *dname, *bname, *bpath, *fpath;
    425 	FILE *f;
    426 
    427 	dname = g_path_get_dirname(path);
    428 	bname = g_path_get_basename(path);
    429 
    430 	bpath = buildpath(dname);
    431 	g_free(dname);
    432 
    433 	fpath = g_build_filename(bpath, bname, NULL);
    434 	g_free(bpath);
    435 	g_free(bname);
    436 
    437 	if (!(f = fopen(fpath, "a")))
    438 		die("Could not open file: %s\n", fpath);
    439 
    440 	g_chmod(fpath, 0600); /* always */
    441 	fclose(f);
    442 
    443 	return fpath;
    444 }
    445 
    446 static const char*
    447 getuserhomedir(const char *user)
    448 {
    449 	struct passwd *pw = getpwnam(user);
    450 
    451 	if (!pw)
    452 		die("Can't get user %s login information.\n", user);
    453 
    454 	return pw->pw_dir;
    455 }
    456 
    457 static const char*
    458 getcurrentuserhomedir(void)
    459 {
    460 	const char *homedir;
    461 	const char *user;
    462 	struct passwd *pw;
    463 
    464 	homedir = getenv("HOME");
    465 	if (homedir)
    466 		return homedir;
    467 
    468 	user = getenv("USER");
    469 	if (user)
    470 		return getuserhomedir(user);
    471 
    472 	pw = getpwuid(getuid());
    473 	if (!pw)
    474 		die("Can't get current user home directory\n");
    475 
    476 	return pw->pw_dir;
    477 }
    478 
    479 char *
    480 buildpath(const char *path)
    481 {
    482 	char *apath, *fpath;
    483 
    484 	if (path[0] == '~')
    485 		apath = untildepath(path);
    486 	else
    487 		apath = g_strdup(path);
    488 
    489 	/* creating directory */
    490 	if (g_mkdir_with_parents(apath, 0700) < 0)
    491 		die("Could not access directory: %s\n", apath);
    492 
    493 	fpath = realpath(apath, NULL);
    494 	g_free(apath);
    495 
    496 	return fpath;
    497 }
    498 
    499 char *
    500 untildepath(const char *path)
    501 {
    502        char *apath, *name, *p;
    503        const char *homedir;
    504 
    505        if (path[1] == '/' || path[1] == '\0') {
    506                p = (char *)&path[1];
    507                homedir = getcurrentuserhomedir();
    508        } else {
    509                if ((p = strchr(path, '/')))
    510                        name = g_strndup(&path[1], p - (path + 1));
    511                else
    512                        name = g_strdup(&path[1]);
    513 
    514                homedir = getuserhomedir(name);
    515                g_free(name);
    516        }
    517        apath = g_build_filename(homedir, p, NULL);
    518        return apath;
    519 }
    520 
    521 Client *
    522 newclient(Client *rc)
    523 {
    524 	Client *c;
    525 
    526 	if (!(c = calloc(1, sizeof(Client))))
    527 		die("Cannot malloc!\n");
    528 
    529 	c->next = clients;
    530 	clients = c;
    531 
    532 	c->progress = 100;
    533 	c->view = newview(c, rc ? rc->view : NULL);
    534 
    535 	return c;
    536 }
    537 
    538 void
    539 loaduri(Client *c, const Arg *a)
    540 {
    541 	struct stat st;
    542 	char *url, *path, *apath;
    543 	const char *uri = a->v;
    544 
    545 	if (g_strcmp0(uri, "") == 0)
    546 		return;
    547 
    548 	if (g_str_has_prefix(uri, "http://")  ||
    549 	    g_str_has_prefix(uri, "https://") ||
    550 	    g_str_has_prefix(uri, "file://")  ||
    551 	    g_str_has_prefix(uri, "about:")) {
    552 		url = g_strdup(uri);
    553 	} else {
    554 		if (uri[0] == '~')
    555 			apath = untildepath(uri);
    556 		else
    557 			apath = (char *)uri;
    558 		if (!stat(apath, &st) && (path = realpath(apath, NULL))) {
    559 			url = g_strdup_printf("file://%s", path);
    560 			free(path);
    561 		} else {
    562 			url = g_strdup_printf("http://%s", uri);
    563 		}
    564 		if (apath != uri)
    565 			free(apath);
    566 	}
    567 
    568 	setatom(c, AtomUri, url);
    569 
    570 	if (strcmp(url, geturi(c)) == 0) {
    571 		reload(c, a);
    572 	} else {
    573 		webkit_web_view_load_uri(c->view, url);
    574 		updatetitle(c);
    575 	}
    576 
    577 	g_free(url);
    578 }
    579 
    580 const char *
    581 geturi(Client *c)
    582 {
    583 	const char *uri;
    584 
    585 	if (!(uri = webkit_web_view_get_uri(c->view)))
    586 		uri = "about:blank";
    587 	return uri;
    588 }
    589 
    590 void
    591 setatom(Client *c, int a, const char *v)
    592 {
    593 	XChangeProperty(dpy, c->xid,
    594 	                atoms[a], XA_STRING, 8, PropModeReplace,
    595 	                (unsigned char *)v, strlen(v) + 1);
    596 	XSync(dpy, False);
    597 }
    598 
    599 const char *
    600 getatom(Client *c, int a)
    601 {
    602 	static char buf[BUFSIZ];
    603 	Atom adummy;
    604 	int idummy;
    605 	unsigned long ldummy;
    606 	unsigned char *p = NULL;
    607 
    608 	XSync(dpy, False);
    609 	XGetWindowProperty(dpy, c->xid, atoms[a], 0L, BUFSIZ, False, XA_STRING,
    610 	                   &adummy, &idummy, &ldummy, &ldummy, &p);
    611 	if (p)
    612 		strncpy(buf, (char *)p, LENGTH(buf) - 1);
    613 	else
    614 		buf[0] = '\0';
    615 	XFree(p);
    616 
    617 	return buf;
    618 }
    619 
    620 void
    621 updatetitle(Client *c)
    622 {
    623 	char *title;
    624 	const char *name = c->overtitle ? c->overtitle :
    625 	                   c->title ? c->title : "";
    626 
    627 	if (curconfig[ShowIndicators].val.i) {
    628 		gettogglestats(c);
    629 		getpagestats(c);
    630 
    631 		if (c->progress != 100)
    632 			title = g_strdup_printf("[%i%%] %s:%s | %s",
    633 			        c->progress, togglestats, pagestats, name);
    634 		else
    635 			title = g_strdup_printf("%s:%s | %s",
    636 			        togglestats, pagestats, name);
    637 
    638 		gtk_window_set_title(GTK_WINDOW(c->win), title);
    639 		g_free(title);
    640 	} else {
    641 		gtk_window_set_title(GTK_WINDOW(c->win), name);
    642 	}
    643 }
    644 
    645 void
    646 gettogglestats(Client *c)
    647 {
    648 	togglestats[0] = cookiepolicy_set(cookiepolicy_get());
    649 	togglestats[1] = curconfig[CaretBrowsing].val.i ?   'C' : 'c';
    650 	togglestats[2] = curconfig[Geolocation].val.i ?     'G' : 'g';
    651 	togglestats[3] = curconfig[DiskCache].val.i ?       'D' : 'd';
    652 	togglestats[4] = curconfig[LoadImages].val.i ?      'I' : 'i';
    653 	togglestats[5] = curconfig[JavaScript].val.i ?      'S' : 's';
    654 	togglestats[6] = curconfig[Plugins].val.i ?         'V' : 'v';
    655 	togglestats[7] = curconfig[Style].val.i ?           'M' : 'm';
    656 	togglestats[8] = curconfig[FrameFlattening].val.i ? 'F' : 'f';
    657 	togglestats[9] = curconfig[Certificate].val.i ?     'X' : 'x';
    658 	togglestats[10] = curconfig[StrictTLS].val.i ?      'T' : 't';
    659 	togglestats[11] = '\0';
    660 }
    661 
    662 void
    663 getpagestats(Client *c)
    664 {
    665 	if (c->https)
    666 		pagestats[0] = (c->tlserr || c->insecure) ?  'U' : 'T';
    667 	else
    668 		pagestats[0] = '-';
    669 	pagestats[1] = '\0';
    670 }
    671 
    672 WebKitCookieAcceptPolicy
    673 cookiepolicy_get(void)
    674 {
    675 	switch (((char *)curconfig[CookiePolicies].val.v)[cookiepolicy]) {
    676 	case 'a':
    677 		return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
    678 	case '@':
    679 		return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
    680 	default: /* fallthrough */
    681 	case 'A':
    682 		return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
    683 	}
    684 }
    685 
    686 char
    687 cookiepolicy_set(const WebKitCookieAcceptPolicy p)
    688 {
    689 	switch (p) {
    690 	case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
    691 		return 'a';
    692 	case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
    693 		return '@';
    694 	default: /* fallthrough */
    695 	case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
    696 		return 'A';
    697 	}
    698 }
    699 
    700 void
    701 seturiparameters(Client *c, const char *uri, ParamName *params)
    702 {
    703 	Parameter *config, *uriconfig = NULL;
    704 	int i, p;
    705 
    706 	for (i = 0; i < LENGTH(uriparams); ++i) {
    707 		if (uriparams[i].uri &&
    708 		    !regexec(&(uriparams[i].re), uri, 0, NULL, 0)) {
    709 			uriconfig = uriparams[i].config;
    710 			break;
    711 		}
    712 	}
    713 
    714 	curconfig = uriconfig ? uriconfig : defconfig;
    715 
    716 	for (i = 0; (p = params[i]) != ParameterLast; ++i) {
    717 		switch(p) {
    718 		default: /* FALLTHROUGH */
    719 			if (!(defconfig[p].prio < curconfig[p].prio ||
    720 			    defconfig[p].prio < modparams[p]))
    721 				continue;
    722 		case Certificate:
    723 		case CookiePolicies:
    724 		case Style:
    725 			setparameter(c, 0, p, &curconfig[p].val);
    726 		}
    727 	}
    728 }
    729 
    730 void
    731 setparameter(Client *c, int refresh, ParamName p, const Arg *a)
    732 {
    733 	GdkRGBA bgcolor = { 0 };
    734 	WebKitSettings *s = webkit_web_view_get_settings(c->view);
    735 
    736 	modparams[p] = curconfig[p].prio;
    737 
    738 	switch (p) {
    739 	case AcceleratedCanvas:
    740 		webkit_settings_set_enable_accelerated_2d_canvas(s, a->i);
    741 		break;
    742 	case AccessMicrophone:
    743 		return; /* do nothing */
    744 	case AccessWebcam:
    745 		return; /* do nothing */
    746 	case CaretBrowsing:
    747 		webkit_settings_set_enable_caret_browsing(s, a->i);
    748 		refresh = 0;
    749 		break;
    750 	case Certificate:
    751 		if (a->i)
    752 			setcert(c, geturi(c));
    753 		return; /* do not update */
    754 	case CookiePolicies:
    755 		webkit_cookie_manager_set_accept_policy(
    756 		    webkit_web_context_get_cookie_manager(
    757 		    webkit_web_view_get_context(c->view)),
    758 		    cookiepolicy_get());
    759 		refresh = 0;
    760 		break;
    761 	case DiskCache:
    762 		webkit_web_context_set_cache_model(
    763 		    webkit_web_view_get_context(c->view), a->i ?
    764 		    WEBKIT_CACHE_MODEL_WEB_BROWSER :
    765 		    WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
    766 		return; /* do not update */
    767 	case DefaultCharset:
    768 		webkit_settings_set_default_charset(s, a->v);
    769 		return; /* do not update */
    770 	case DNSPrefetch:
    771 		webkit_settings_set_enable_dns_prefetching(s, a->i);
    772 		return; /* do not update */
    773 	case FileURLsCrossAccess:
    774 		webkit_settings_set_allow_file_access_from_file_urls(s, a->i);
    775 		webkit_settings_set_allow_universal_access_from_file_urls(s, a->i);
    776 		return; /* do not update */
    777 	case FontSize:
    778 		webkit_settings_set_default_font_size(s, a->i);
    779 		return; /* do not update */
    780 	case FrameFlattening:
    781 		webkit_settings_set_enable_frame_flattening(s, a->i);
    782 		break;
    783 	case Geolocation:
    784 		refresh = 0;
    785 		break;
    786 	case HideBackground:
    787 		if (a->i)
    788 			webkit_web_view_set_background_color(c->view, &bgcolor);
    789 		return; /* do not update */
    790 	case Inspector:
    791 		webkit_settings_set_enable_developer_extras(s, a->i);
    792 		return; /* do not update */
    793 	case Java:
    794 		webkit_settings_set_enable_java(s, a->i);
    795 		return; /* do not update */
    796 	case JavaScript:
    797 		webkit_settings_set_enable_javascript(s, a->i);
    798 		break;
    799 	case KioskMode:
    800 		return; /* do nothing */
    801 	case LoadImages:
    802 		webkit_settings_set_auto_load_images(s, a->i);
    803 		break;
    804 	case MediaManualPlay:
    805 		webkit_settings_set_media_playback_requires_user_gesture(s, a->i);
    806 		break;
    807 	case Plugins:
    808 		webkit_settings_set_enable_plugins(s, a->i);
    809 		break;
    810 	case PreferredLanguages:
    811 		return; /* do nothing */
    812 	case RunInFullscreen:
    813 		return; /* do nothing */
    814 	case ScrollBars:
    815 		/* Disabled until we write some WebKitWebExtension for
    816 		 * manipulating the DOM directly.
    817 		enablescrollbars = !enablescrollbars;
    818 		evalscript(c, "document.documentElement.style.overflow = '%s'",
    819 		    enablescrollbars ? "auto" : "hidden");
    820 		*/
    821 		return; /* do not update */
    822 	case ShowIndicators:
    823 		break;
    824 	case SmoothScrolling:
    825 		webkit_settings_set_enable_smooth_scrolling(s, a->i);
    826 		return; /* do not update */
    827 	case SiteQuirks:
    828 		webkit_settings_set_enable_site_specific_quirks(s, a->i);
    829 		break;
    830 	case SpellChecking:
    831 		webkit_web_context_set_spell_checking_enabled(
    832 		    webkit_web_view_get_context(c->view), a->i);
    833 		return; /* do not update */
    834 	case SpellLanguages:
    835 		return; /* do nothing */
    836 	case StrictTLS:
    837 		webkit_web_context_set_tls_errors_policy(
    838 		    webkit_web_view_get_context(c->view), a->i ?
    839 		    WEBKIT_TLS_ERRORS_POLICY_FAIL :
    840 		    WEBKIT_TLS_ERRORS_POLICY_IGNORE);
    841 		break;
    842 	case Style:
    843 		webkit_user_content_manager_remove_all_style_sheets(
    844 		    webkit_web_view_get_user_content_manager(c->view));
    845 		if (a->i)
    846 			setstyle(c, getstyle(geturi(c)));
    847 		refresh = 0;
    848 		break;
    849 	case WebGL:
    850 		webkit_settings_set_enable_webgl(s, a->i);
    851 		break;
    852 	case ZoomLevel:
    853 		webkit_web_view_set_zoom_level(c->view, a->f);
    854 		return; /* do not update */
    855 	default:
    856 		return; /* do nothing */
    857 	}
    858 
    859 	updatetitle(c);
    860 	if (refresh)
    861 		reload(c, a);
    862 }
    863 
    864 const char *
    865 getcert(const char *uri)
    866 {
    867 	int i;
    868 
    869 	for (i = 0; i < LENGTH(certs); ++i) {
    870 		if (certs[i].regex &&
    871 		    !regexec(&(certs[i].re), uri, 0, NULL, 0))
    872 			return certs[i].file;
    873 	}
    874 
    875 	return NULL;
    876 }
    877 
    878 void
    879 setcert(Client *c, const char *uri)
    880 {
    881 	const char *file = getcert(uri);
    882 	char *host;
    883 	GTlsCertificate *cert;
    884 
    885 	if (!file)
    886 		return;
    887 
    888 	if (!(cert = g_tls_certificate_new_from_file(file, NULL))) {
    889 		fprintf(stderr, "Could not read certificate file: %s\n", file);
    890 		return;
    891 	}
    892 
    893 	if ((uri = strstr(uri, "https://"))) {
    894 		uri += sizeof("https://") - 1;
    895 		host = g_strndup(uri, strchr(uri, '/') - uri);
    896 		webkit_web_context_allow_tls_certificate_for_host(
    897 		    webkit_web_view_get_context(c->view), cert, host);
    898 		g_free(host);
    899 	}
    900 
    901 	g_object_unref(cert);
    902 
    903 }
    904 
    905 const char *
    906 getstyle(const char *uri)
    907 {
    908 	int i;
    909 
    910 	if (stylefile)
    911 		return stylefile;
    912 
    913 	for (i = 0; i < LENGTH(styles); ++i) {
    914 		if (styles[i].regex &&
    915 		    !regexec(&(styles[i].re), uri, 0, NULL, 0))
    916 			return styles[i].file;
    917 	}
    918 
    919 	return "";
    920 }
    921 
    922 void
    923 setstyle(Client *c, const char *file)
    924 {
    925 	gchar *style;
    926 
    927 	if (!g_file_get_contents(file, &style, NULL, NULL)) {
    928 		fprintf(stderr, "Could not read style file: %s\n", file);
    929 		return;
    930 	}
    931 
    932 	webkit_user_content_manager_add_style_sheet(
    933 	    webkit_web_view_get_user_content_manager(c->view),
    934 	    webkit_user_style_sheet_new(style,
    935 	    WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
    936 	    WEBKIT_USER_STYLE_LEVEL_USER,
    937 	    NULL, NULL));
    938 
    939 	g_free(style);
    940 }
    941 
    942 void
    943 runscript(Client *c)
    944 {
    945 	gchar *script;
    946 	gsize l;
    947 
    948 	if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
    949 		evalscript(c, "%s", script);
    950 	g_free(script);
    951 }
    952 
    953 void
    954 evalscript(Client *c, const char *jsstr, ...)
    955 {
    956 	va_list ap;
    957 	gchar *script;
    958 
    959 	va_start(ap, jsstr);
    960 	script = g_strdup_vprintf(jsstr, ap);
    961 	va_end(ap);
    962 
    963 	webkit_web_view_run_javascript(c->view, script, NULL, NULL, NULL);
    964 	g_free(script);
    965 }
    966 
    967 void
    968 updatewinid(Client *c)
    969 {
    970 	snprintf(winid, LENGTH(winid), "%lu", c->xid);
    971 }
    972 
    973 void
    974 handleplumb(Client *c, const char *uri)
    975 {
    976 	Arg a = (Arg)PLUMB(uri);
    977 	spawn(c, &a);
    978 }
    979 
    980 void
    981 newwindow(Client *c, const Arg *a, int noembed)
    982 {
    983 	int i = 0;
    984 	char tmp[64];
    985 	const char *cmd[29], *uri;
    986 	const Arg arg = { .v = cmd };
    987 
    988 	cmd[i++] = argv0;
    989 	cmd[i++] = "-a";
    990 	cmd[i++] = curconfig[CookiePolicies].val.v;
    991 	cmd[i++] = curconfig[ScrollBars].val.i ? "-B" : "-b";
    992 	if (cookiefile && g_strcmp0(cookiefile, "")) {
    993 		cmd[i++] = "-c";
    994 		cmd[i++] = cookiefile;
    995 	}
    996 	if (stylefile && g_strcmp0(stylefile, "")) {
    997 		cmd[i++] = "-C";
    998 		cmd[i++] = stylefile;
    999 	}
   1000 	cmd[i++] = curconfig[DiskCache].val.i ? "-D" : "-d";
   1001 	if (embed && !noembed) {
   1002 		cmd[i++] = "-e";
   1003 		snprintf(tmp, LENGTH(tmp), "%lu", embed);
   1004 		cmd[i++] = tmp;
   1005 	}
   1006 	cmd[i++] = curconfig[RunInFullscreen].val.i ? "-F" : "-f" ;
   1007 	cmd[i++] = curconfig[Geolocation].val.i ?     "-G" : "-g" ;
   1008 	cmd[i++] = curconfig[LoadImages].val.i ?      "-I" : "-i" ;
   1009 	cmd[i++] = curconfig[KioskMode].val.i ?       "-K" : "-k" ;
   1010 	cmd[i++] = curconfig[Style].val.i ?           "-M" : "-m" ;
   1011 	cmd[i++] = curconfig[Inspector].val.i ?       "-N" : "-n" ;
   1012 	cmd[i++] = curconfig[Plugins].val.i ?         "-P" : "-p" ;
   1013 	if (scriptfile && g_strcmp0(scriptfile, "")) {
   1014 		cmd[i++] = "-r";
   1015 		cmd[i++] = scriptfile;
   1016 	}
   1017 	cmd[i++] = curconfig[JavaScript].val.i ? "-S" : "-s";
   1018 	cmd[i++] = curconfig[StrictTLS].val.i ? "-T" : "-t";
   1019 	if (fulluseragent && g_strcmp0(fulluseragent, "")) {
   1020 		cmd[i++] = "-u";
   1021 		cmd[i++] = fulluseragent;
   1022 	}
   1023 	if (showxid)
   1024 		cmd[i++] = "-w";
   1025 	cmd[i++] = curconfig[Certificate].val.i ? "-X" : "-x" ;
   1026 	/* do not keep zoom level */
   1027 	cmd[i++] = "--";
   1028 	if ((uri = a->v))
   1029 		cmd[i++] = uri;
   1030 	cmd[i] = NULL;
   1031 
   1032 	spawn(c, &arg);
   1033 }
   1034 
   1035 void
   1036 spawn(Client *c, const Arg *a)
   1037 {
   1038 	if (fork() == 0) {
   1039 		if (dpy)
   1040 			close(ConnectionNumber(dpy));
   1041 		close(pipein[0]);
   1042 		close(pipeout[1]);
   1043 		setsid();
   1044 		execvp(((char **)a->v)[0], (char **)a->v);
   1045 		fprintf(stderr, "%s: execvp %s", argv0, ((char **)a->v)[0]);
   1046 		perror(" failed");
   1047 		exit(1);
   1048 	}
   1049 }
   1050 
   1051 void
   1052 destroyclient(Client *c)
   1053 {
   1054 	Client *p;
   1055 
   1056 	webkit_web_view_stop_loading(c->view);
   1057 	/* Not needed, has already been called
   1058 	gtk_widget_destroy(c->win);
   1059 	 */
   1060 
   1061 	for (p = clients; p && p->next != c; p = p->next)
   1062 		;
   1063 	if (p)
   1064 		p->next = c->next;
   1065 	else
   1066 		clients = c->next;
   1067 	free(c);
   1068 }
   1069 
   1070 void
   1071 cleanup(void)
   1072 {
   1073 	while (clients)
   1074 		destroyclient(clients);
   1075 
   1076 	close(pipein[0]);
   1077 	close(pipeout[1]);
   1078 	g_free(cookiefile);
   1079 	g_free(scriptfile);
   1080 	g_free(stylefile);
   1081 	g_free(cachedir);
   1082 	XCloseDisplay(dpy);
   1083 }
   1084 
   1085 WebKitWebView *
   1086 newview(Client *c, WebKitWebView *rv)
   1087 {
   1088 	WebKitWebView *v;
   1089 	WebKitSettings *settings;
   1090 	WebKitWebContext *context;
   1091 	WebKitCookieManager *cookiemanager;
   1092 	WebKitUserContentManager *contentmanager;
   1093 
   1094 	/* Webview */
   1095 	if (rv) {
   1096 		v = WEBKIT_WEB_VIEW(webkit_web_view_new_with_related_view(rv));
   1097 	} else {
   1098 		settings = webkit_settings_new_with_settings(
   1099 		   "allow-file-access-from-file-urls", curconfig[FileURLsCrossAccess].val.i,
   1100 		   "allow-universal-access-from-file-urls", curconfig[FileURLsCrossAccess].val.i,
   1101 		   "auto-load-images", curconfig[LoadImages].val.i,
   1102 		   "default-charset", curconfig[DefaultCharset].val.v,
   1103 		   "default-font-size", curconfig[FontSize].val.i,
   1104 		   "enable-caret-browsing", curconfig[CaretBrowsing].val.i,
   1105 		   "enable-developer-extras", curconfig[Inspector].val.i,
   1106 		   "enable-dns-prefetching", curconfig[DNSPrefetch].val.i,
   1107 		   "enable-frame-flattening", curconfig[FrameFlattening].val.i,
   1108 		   "enable-html5-database", curconfig[DiskCache].val.i,
   1109 		   "enable-html5-local-storage", curconfig[DiskCache].val.i,
   1110 		   "enable-java", curconfig[Java].val.i,
   1111 		   "enable-javascript", curconfig[JavaScript].val.i,
   1112 		   "enable-plugins", curconfig[Plugins].val.i,
   1113 		   "enable-accelerated-2d-canvas", curconfig[AcceleratedCanvas].val.i,
   1114 		   "enable-site-specific-quirks", curconfig[SiteQuirks].val.i,
   1115 		   "enable-smooth-scrolling", curconfig[SmoothScrolling].val.i,
   1116 		   "enable-webgl", curconfig[WebGL].val.i,
   1117 		   "media-playback-requires-user-gesture", curconfig[MediaManualPlay].val.i,
   1118 		   NULL);
   1119 /* For more interesting settings, have a look at
   1120  * http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html */
   1121 
   1122 		if (strcmp(fulluseragent, "")) {
   1123 			webkit_settings_set_user_agent(settings, fulluseragent);
   1124 		} else if (surfuseragent) {
   1125 			webkit_settings_set_user_agent_with_application_details(
   1126 			    settings, "Surf", VERSION);
   1127 		}
   1128 		useragent = webkit_settings_get_user_agent(settings);
   1129 
   1130 		contentmanager = webkit_user_content_manager_new();
   1131 
   1132 		context = webkit_web_context_new_with_website_data_manager(
   1133 		          webkit_website_data_manager_new(
   1134 		          "base-cache-directory", cachedir,
   1135 		          "base-data-directory", cachedir,
   1136 		          NULL));
   1137 
   1138 		cookiemanager = webkit_web_context_get_cookie_manager(context);
   1139 
   1140 		/* rendering process model, can be a shared unique one
   1141 		 * or one for each view */
   1142 		webkit_web_context_set_process_model(context,
   1143 		    WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
   1144 		/* TLS */
   1145 		webkit_web_context_set_tls_errors_policy(context,
   1146 		    curconfig[StrictTLS].val.i ? WEBKIT_TLS_ERRORS_POLICY_FAIL :
   1147 		    WEBKIT_TLS_ERRORS_POLICY_IGNORE);
   1148 		/* disk cache */
   1149 		webkit_web_context_set_cache_model(context,
   1150 		    curconfig[DiskCache].val.i ? WEBKIT_CACHE_MODEL_WEB_BROWSER :
   1151 		    WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
   1152 
   1153 		/* Currently only works with text file to be compatible with curl */
   1154 		webkit_cookie_manager_set_persistent_storage(cookiemanager,
   1155 		    cookiefile, WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
   1156 		/* cookie policy */
   1157 		webkit_cookie_manager_set_accept_policy(cookiemanager,
   1158 		    cookiepolicy_get());
   1159 		/* languages */
   1160 		webkit_web_context_set_preferred_languages(context,
   1161 		    curconfig[PreferredLanguages].val.v);
   1162 		webkit_web_context_set_spell_checking_languages(context,
   1163 		    curconfig[SpellLanguages].val.v);
   1164 		webkit_web_context_set_spell_checking_enabled(context,
   1165 		    curconfig[SpellChecking].val.i);
   1166 
   1167 		g_signal_connect(G_OBJECT(context), "download-started",
   1168 		                 G_CALLBACK(downloadstarted), c);
   1169 		g_signal_connect(G_OBJECT(context), "initialize-web-extensions",
   1170 		                 G_CALLBACK(initwebextensions), c);
   1171 
   1172 		v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
   1173 		    "settings", settings,
   1174 		    "user-content-manager", contentmanager,
   1175 		    "web-context", context,
   1176 		    NULL);
   1177 	}
   1178 
   1179 	g_signal_connect(G_OBJECT(v), "notify::estimated-load-progress",
   1180 			 G_CALLBACK(progresschanged), c);
   1181 	g_signal_connect(G_OBJECT(v), "notify::title",
   1182 			 G_CALLBACK(titlechanged), c);
   1183 	g_signal_connect(G_OBJECT(v), "button-release-event",
   1184 			 G_CALLBACK(buttonreleased), c);
   1185 	g_signal_connect(G_OBJECT(v), "close",
   1186 			G_CALLBACK(closeview), c);
   1187 	g_signal_connect(G_OBJECT(v), "create",
   1188 			 G_CALLBACK(createview), c);
   1189 	g_signal_connect(G_OBJECT(v), "decide-policy",
   1190 			 G_CALLBACK(decidepolicy), c);
   1191 	g_signal_connect(G_OBJECT(v), "insecure-content-detected",
   1192 			 G_CALLBACK(insecurecontent), c);
   1193 	g_signal_connect(G_OBJECT(v), "load-failed-with-tls-errors",
   1194 			 G_CALLBACK(loadfailedtls), c);
   1195 	g_signal_connect(G_OBJECT(v), "load-changed",
   1196 			 G_CALLBACK(loadchanged), c);
   1197 	g_signal_connect(G_OBJECT(v), "mouse-target-changed",
   1198 			 G_CALLBACK(mousetargetchanged), c);
   1199 	g_signal_connect(G_OBJECT(v), "permission-request",
   1200 			 G_CALLBACK(permissionrequested), c);
   1201 	g_signal_connect(G_OBJECT(v), "ready-to-show",
   1202 			 G_CALLBACK(showview), c);
   1203 	g_signal_connect(G_OBJECT(v), "web-process-terminated",
   1204 			 G_CALLBACK(webprocessterminated), c);
   1205 
   1206 	return v;
   1207 }
   1208 
   1209 static gboolean
   1210 readpipe(GIOChannel *s, GIOCondition ioc, gpointer unused)
   1211 {
   1212 	static char msg[MSGBUFSZ], msgsz;
   1213 	GError *gerr = NULL;
   1214 
   1215 	if (g_io_channel_read_chars(s, msg, sizeof(msg), NULL, &gerr) !=
   1216 	    G_IO_STATUS_NORMAL) {
   1217 		fprintf(stderr, "surf: error reading pipe: %s\n",
   1218 		        gerr->message);
   1219 		g_error_free(gerr);
   1220 		return TRUE;
   1221 	}
   1222 	if ((msgsz = msg[0]) < 3) {
   1223 		fprintf(stderr, "surf: message too short: %d\n", msgsz);
   1224 		return TRUE;
   1225 	}
   1226 
   1227 	switch (msg[2]) {
   1228 	case 'i':
   1229 		close(pipein[1]);
   1230 		close(pipeout[0]);
   1231 		break;
   1232 	}
   1233 
   1234 	return TRUE;
   1235 }
   1236 
   1237 void
   1238 initwebextensions(WebKitWebContext *wc, Client *c)
   1239 {
   1240 	GVariant *gv;
   1241 
   1242 	if (!pipeout[0] || !pipein[1])
   1243 		return;
   1244 
   1245 	gv = g_variant_new("(ii)", pipeout[0], pipein[1]);
   1246 
   1247 	webkit_web_context_set_web_extensions_initialization_user_data(wc, gv);
   1248 	webkit_web_context_set_web_extensions_directory(wc, WEBEXTDIR);
   1249 }
   1250 
   1251 GtkWidget *
   1252 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
   1253 {
   1254 	Client *n;
   1255 
   1256 	switch (webkit_navigation_action_get_navigation_type(a)) {
   1257 	case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
   1258 		/*
   1259 		 * popup windows of type “other” are almost always triggered
   1260 		 * by user gesture, so inverse the logic here
   1261 		 */
   1262 /* instead of this, compare destination uri to mouse-over uri for validating window */
   1263 		if (webkit_navigation_action_is_user_gesture(a))
   1264 			return NULL;
   1265 	case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
   1266 	case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
   1267 	case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
   1268 	case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
   1269 	case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
   1270 		n = newclient(c);
   1271 		break;
   1272 	default:
   1273 		return NULL;
   1274 	}
   1275 
   1276 	return GTK_WIDGET(n->view);
   1277 }
   1278 
   1279 gboolean
   1280 buttonreleased(GtkWidget *w, GdkEvent *e, Client *c)
   1281 {
   1282 	WebKitHitTestResultContext element;
   1283 	int i;
   1284 
   1285 	element = webkit_hit_test_result_get_context(c->mousepos);
   1286 
   1287 	for (i = 0; i < LENGTH(buttons); ++i) {
   1288 		if (element & buttons[i].target &&
   1289 		    e->button.button == buttons[i].button &&
   1290 		    CLEANMASK(e->button.state) == CLEANMASK(buttons[i].mask) &&
   1291 		    buttons[i].func) {
   1292 			buttons[i].func(c, &buttons[i].arg, c->mousepos);
   1293 			return buttons[i].stopevent;
   1294 		}
   1295 	}
   1296 
   1297 	return FALSE;
   1298 }
   1299 
   1300 GdkFilterReturn
   1301 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
   1302 {
   1303 	Client *c = (Client *)d;
   1304 	XPropertyEvent *ev;
   1305 	Arg a;
   1306 
   1307 	if (((XEvent *)e)->type == PropertyNotify) {
   1308 		ev = &((XEvent *)e)->xproperty;
   1309 		if (ev->state == PropertyNewValue) {
   1310 			if (ev->atom == atoms[AtomFind]) {
   1311 				find(c, NULL);
   1312 
   1313 				return GDK_FILTER_REMOVE;
   1314 			} else if (ev->atom == atoms[AtomGo]) {
   1315 				a.v = getatom(c, AtomGo);
   1316 				loaduri(c, &a);
   1317 
   1318 				return GDK_FILTER_REMOVE;
   1319 			}
   1320 		}
   1321 	}
   1322 	return GDK_FILTER_CONTINUE;
   1323 }
   1324 
   1325 gboolean
   1326 winevent(GtkWidget *w, GdkEvent *e, Client *c)
   1327 {
   1328 	int i;
   1329 
   1330 	switch (e->type) {
   1331 	case GDK_ENTER_NOTIFY:
   1332 		c->overtitle = c->targeturi;
   1333 		updatetitle(c);
   1334 		break;
   1335 	case GDK_KEY_PRESS:
   1336 		if (!curconfig[KioskMode].val.i) {
   1337 			for (i = 0; i < LENGTH(keys); ++i) {
   1338 				if (gdk_keyval_to_lower(e->key.keyval) ==
   1339 				    keys[i].keyval &&
   1340 				    CLEANMASK(e->key.state) == keys[i].mod &&
   1341 				    keys[i].func) {
   1342 					updatewinid(c);
   1343 					keys[i].func(c, &(keys[i].arg));
   1344 					return TRUE;
   1345 				}
   1346 			}
   1347 		}
   1348 	case GDK_LEAVE_NOTIFY:
   1349 		c->overtitle = NULL;
   1350 		updatetitle(c);
   1351 		break;
   1352 	case GDK_WINDOW_STATE:
   1353 		if (e->window_state.changed_mask ==
   1354 		    GDK_WINDOW_STATE_FULLSCREEN)
   1355 			c->fullscreen = e->window_state.new_window_state &
   1356 			                GDK_WINDOW_STATE_FULLSCREEN;
   1357 		break;
   1358 	default:
   1359 		break;
   1360 	}
   1361 
   1362 	return FALSE;
   1363 }
   1364 
   1365 void
   1366 showview(WebKitWebView *v, Client *c)
   1367 {
   1368 	GdkRGBA bgcolor = { 0 };
   1369 	GdkWindow *gwin;
   1370 
   1371 	c->finder = webkit_web_view_get_find_controller(c->view);
   1372 	c->inspector = webkit_web_view_get_inspector(c->view);
   1373 
   1374 	c->pageid = webkit_web_view_get_page_id(c->view);
   1375 	c->win = createwindow(c);
   1376 
   1377 	gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
   1378 	gtk_widget_show_all(c->win);
   1379 	gtk_widget_grab_focus(GTK_WIDGET(c->view));
   1380 
   1381 	gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
   1382 	c->xid = gdk_x11_window_get_xid(gwin);
   1383 	updatewinid(c);
   1384 	if (showxid) {
   1385 		gdk_display_sync(gtk_widget_get_display(c->win));
   1386 		puts(winid);
   1387 		fflush(stdout);
   1388 	}
   1389 
   1390 	if (curconfig[HideBackground].val.i)
   1391 		webkit_web_view_set_background_color(c->view, &bgcolor);
   1392 
   1393 	if (!curconfig[KioskMode].val.i) {
   1394 		gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
   1395 		gdk_window_add_filter(gwin, processx, c);
   1396 	}
   1397 
   1398 	if (curconfig[RunInFullscreen].val.i)
   1399 		togglefullscreen(c, NULL);
   1400 
   1401 	if (curconfig[ZoomLevel].val.f != 1.0)
   1402 		webkit_web_view_set_zoom_level(c->view,
   1403 		                               curconfig[ZoomLevel].val.f);
   1404 
   1405 	setatom(c, AtomFind, "");
   1406 	setatom(c, AtomUri, "about:blank");
   1407 }
   1408 
   1409 GtkWidget *
   1410 createwindow(Client *c)
   1411 {
   1412 	char *wmstr;
   1413 	GtkWidget *w;
   1414 
   1415 	if (embed) {
   1416 		w = gtk_plug_new(embed);
   1417 	} else {
   1418 		w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
   1419 
   1420 		wmstr = g_path_get_basename(argv0);
   1421 		gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf");
   1422 		g_free(wmstr);
   1423 
   1424 		wmstr = g_strdup_printf("%s[%lu]", "Surf", c->pageid);
   1425 		gtk_window_set_role(GTK_WINDOW(w), wmstr);
   1426 		g_free(wmstr);
   1427 
   1428 		gtk_window_set_default_size(GTK_WINDOW(w), winsize[0], winsize[1]);
   1429 	}
   1430 
   1431 	g_signal_connect(G_OBJECT(w), "destroy",
   1432 	                 G_CALLBACK(destroywin), c);
   1433 	g_signal_connect(G_OBJECT(w), "enter-notify-event",
   1434 	                 G_CALLBACK(winevent), c);
   1435 	g_signal_connect(G_OBJECT(w), "key-press-event",
   1436 	                 G_CALLBACK(winevent), c);
   1437 	g_signal_connect(G_OBJECT(w), "leave-notify-event",
   1438 	                 G_CALLBACK(winevent), c);
   1439 	g_signal_connect(G_OBJECT(w), "window-state-event",
   1440 	                 G_CALLBACK(winevent), c);
   1441 
   1442 	return w;
   1443 }
   1444 
   1445 gboolean
   1446 loadfailedtls(WebKitWebView *v, gchar *uri, GTlsCertificate *cert,
   1447               GTlsCertificateFlags err, Client *c)
   1448 {
   1449 	GString *errmsg = g_string_new(NULL);
   1450 	gchar *html, *pem;
   1451 
   1452 	c->failedcert = g_object_ref(cert);
   1453 	c->tlserr = err;
   1454 	c->errorpage = 1;
   1455 
   1456 	if (err & G_TLS_CERTIFICATE_UNKNOWN_CA)
   1457 		g_string_append(errmsg,
   1458 		    "The signing certificate authority is not known.<br>");
   1459 	if (err & G_TLS_CERTIFICATE_BAD_IDENTITY)
   1460 		g_string_append(errmsg,
   1461 		    "The certificate does not match the expected identity "
   1462 		    "of the site that it was retrieved from.<br>");
   1463 	if (err & G_TLS_CERTIFICATE_NOT_ACTIVATED)
   1464 		g_string_append(errmsg,
   1465 		    "The certificate's activation time "
   1466 		    "is still in the future.<br>");
   1467 	if (err & G_TLS_CERTIFICATE_EXPIRED)
   1468 		g_string_append(errmsg, "The certificate has expired.<br>");
   1469 	if (err & G_TLS_CERTIFICATE_REVOKED)
   1470 		g_string_append(errmsg,
   1471 		    "The certificate has been revoked according to "
   1472 		    "the GTlsConnection's certificate revocation list.<br>");
   1473 	if (err & G_TLS_CERTIFICATE_INSECURE)
   1474 		g_string_append(errmsg,
   1475 		    "The certificate's algorithm is considered insecure.<br>");
   1476 	if (err & G_TLS_CERTIFICATE_GENERIC_ERROR)
   1477 		g_string_append(errmsg,
   1478 		    "Some error occurred validating the certificate.<br>");
   1479 
   1480 	g_object_get(cert, "certificate-pem", &pem, NULL);
   1481 	html = g_strdup_printf("<p>Could not validate TLS for “%s”<br>%s</p>"
   1482 	                       "<p>You can inspect the following certificate "
   1483 	                       "with Ctrl-t (default keybinding).</p>"
   1484 	                       "<p><pre>%s</pre></p>", uri, errmsg->str, pem);
   1485 	g_free(pem);
   1486 	g_string_free(errmsg, TRUE);
   1487 
   1488 	webkit_web_view_load_alternate_html(c->view, html, uri, NULL);
   1489 	g_free(html);
   1490 
   1491 	return TRUE;
   1492 }
   1493 
   1494 void
   1495 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
   1496 {
   1497 	const char *uri = geturi(c);
   1498 
   1499 	switch (e) {
   1500 	case WEBKIT_LOAD_STARTED:
   1501 		setatom(c, AtomUri, uri);
   1502 		c->title = uri;
   1503 		c->https = c->insecure = 0;
   1504 		seturiparameters(c, uri, loadtransient);
   1505 		if (c->errorpage)
   1506 			c->errorpage = 0;
   1507 		else
   1508 			g_clear_object(&c->failedcert);
   1509 		break;
   1510 	case WEBKIT_LOAD_REDIRECTED:
   1511 		setatom(c, AtomUri, uri);
   1512 		c->title = uri;
   1513 		seturiparameters(c, uri, loadtransient);
   1514 		break;
   1515 	case WEBKIT_LOAD_COMMITTED:
   1516 		seturiparameters(c, uri, loadcommitted);
   1517 		c->https = webkit_web_view_get_tls_info(c->view, &c->cert,
   1518 		                                        &c->tlserr);
   1519 		break;
   1520 	case WEBKIT_LOAD_FINISHED:
   1521 		seturiparameters(c, uri, loadfinished);
   1522 		/* Disabled until we write some WebKitWebExtension for
   1523 		 * manipulating the DOM directly.
   1524 		evalscript(c, "document.documentElement.style.overflow = '%s'",
   1525 		    enablescrollbars ? "auto" : "hidden");
   1526 		*/
   1527 		runscript(c);
   1528 		break;
   1529 	}
   1530 	updatetitle(c);
   1531 }
   1532 
   1533 void
   1534 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
   1535 {
   1536 	c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
   1537 	              100;
   1538 	updatetitle(c);
   1539 }
   1540 
   1541 void
   1542 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
   1543 {
   1544 	c->title = webkit_web_view_get_title(c->view);
   1545 	updatetitle(c);
   1546 }
   1547 
   1548 void
   1549 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
   1550     Client *c)
   1551 {
   1552 	WebKitHitTestResultContext hc = webkit_hit_test_result_get_context(h);
   1553 
   1554 	/* Keep the hit test to know where is the pointer on the next click */
   1555 	c->mousepos = h;
   1556 
   1557 	if (hc & OnLink)
   1558 		c->targeturi = webkit_hit_test_result_get_link_uri(h);
   1559 	else if (hc & OnImg)
   1560 		c->targeturi = webkit_hit_test_result_get_image_uri(h);
   1561 	else if (hc & OnMedia)
   1562 		c->targeturi = webkit_hit_test_result_get_media_uri(h);
   1563 	else
   1564 		c->targeturi = NULL;
   1565 
   1566 	c->overtitle = c->targeturi;
   1567 	updatetitle(c);
   1568 }
   1569 
   1570 gboolean
   1571 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
   1572 {
   1573 	ParamName param = ParameterLast;
   1574 
   1575 	if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
   1576 		param = Geolocation;
   1577 	} else if (WEBKIT_IS_USER_MEDIA_PERMISSION_REQUEST(r)) {
   1578 		if (webkit_user_media_permission_is_for_audio_device(
   1579 		    WEBKIT_USER_MEDIA_PERMISSION_REQUEST(r)))
   1580 			param = AccessMicrophone;
   1581 		else if (webkit_user_media_permission_is_for_video_device(
   1582 		         WEBKIT_USER_MEDIA_PERMISSION_REQUEST(r)))
   1583 			param = AccessWebcam;
   1584 	} else {
   1585 		return FALSE;
   1586 	}
   1587 
   1588 	if (curconfig[param].val.i)
   1589 		webkit_permission_request_allow(r);
   1590 	else
   1591 		webkit_permission_request_deny(r);
   1592 
   1593 	return TRUE;
   1594 }
   1595 
   1596 gboolean
   1597 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
   1598     WebKitPolicyDecisionType dt, Client *c)
   1599 {
   1600 	switch (dt) {
   1601 	case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
   1602 		decidenavigation(d, c);
   1603 		break;
   1604 	case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
   1605 		decidenewwindow(d, c);
   1606 		break;
   1607 	case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
   1608 		decideresource(d, c);
   1609 		break;
   1610 	default:
   1611 		webkit_policy_decision_ignore(d);
   1612 		break;
   1613 	}
   1614 	return TRUE;
   1615 }
   1616 
   1617 void
   1618 decidenavigation(WebKitPolicyDecision *d, Client *c)
   1619 {
   1620 	WebKitNavigationAction *a =
   1621 	    webkit_navigation_policy_decision_get_navigation_action(
   1622 	    WEBKIT_NAVIGATION_POLICY_DECISION(d));
   1623 
   1624 	switch (webkit_navigation_action_get_navigation_type(a)) {
   1625 	case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
   1626 	case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
   1627 	case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
   1628 	case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
   1629 	case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED: /* fallthrough */
   1630 	case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
   1631 	default:
   1632 		/* Do not navigate to links with a "_blank" target (popup) */
   1633 		if (webkit_navigation_policy_decision_get_frame_name(
   1634 		    WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
   1635 			webkit_policy_decision_ignore(d);
   1636 		} else {
   1637 			/* Filter out navigation to different domain ? */
   1638 			/* get action→urirequest, copy and load in new window+view
   1639 			 * on Ctrl+Click ? */
   1640 			webkit_policy_decision_use(d);
   1641 		}
   1642 		break;
   1643 	}
   1644 }
   1645 
   1646 void
   1647 decidenewwindow(WebKitPolicyDecision *d, Client *c)
   1648 {
   1649 	Arg arg;
   1650 	WebKitNavigationAction *a =
   1651 	    webkit_navigation_policy_decision_get_navigation_action(
   1652 	    WEBKIT_NAVIGATION_POLICY_DECISION(d));
   1653 
   1654 
   1655 	switch (webkit_navigation_action_get_navigation_type(a)) {
   1656 	case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
   1657 	case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
   1658 	case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
   1659 	case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
   1660 	case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
   1661 		/* Filter domains here */
   1662 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
   1663  * test for link clicked but no button ? */
   1664 		arg.v = webkit_uri_request_get_uri(
   1665 		        webkit_navigation_action_get_request(a));
   1666 		newwindow(c, &arg, 0);
   1667 		break;
   1668 	case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
   1669 	default:
   1670 		break;
   1671 	}
   1672 
   1673 	webkit_policy_decision_ignore(d);
   1674 }
   1675 
   1676 void
   1677 decideresource(WebKitPolicyDecision *d, Client *c)
   1678 {
   1679 	int i, isascii = 1;
   1680 	WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
   1681 	WebKitURIResponse *res =
   1682 	    webkit_response_policy_decision_get_response(r);
   1683 	const gchar *uri = webkit_uri_response_get_uri(res);
   1684 
   1685 	if (g_str_has_suffix(uri, "/favicon.ico")) {
   1686 		webkit_policy_decision_ignore(d);
   1687 		return;
   1688 	}
   1689 
   1690 	if (!g_str_has_prefix(uri, "http://")
   1691 	    && !g_str_has_prefix(uri, "https://")
   1692 	    && !g_str_has_prefix(uri, "about:")
   1693 	    && !g_str_has_prefix(uri, "file://")
   1694 	    && !g_str_has_prefix(uri, "data:")
   1695 	    && !g_str_has_prefix(uri, "blob:")
   1696 	    && strlen(uri) > 0) {
   1697 		for (i = 0; i < strlen(uri); i++) {
   1698 			if (!g_ascii_isprint(uri[i])) {
   1699 				isascii = 0;
   1700 				break;
   1701 			}
   1702 		}
   1703 		if (isascii) {
   1704 			handleplumb(c, uri);
   1705 			webkit_policy_decision_ignore(d);
   1706 			return;
   1707 		}
   1708 	}
   1709 
   1710 	if (webkit_response_policy_decision_is_mime_type_supported(r)) {
   1711 		webkit_policy_decision_use(d);
   1712 	} else {
   1713 		webkit_policy_decision_ignore(d);
   1714 		download(c, res);
   1715 	}
   1716 }
   1717 
   1718 void
   1719 insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e, Client *c)
   1720 {
   1721 	c->insecure = 1;
   1722 }
   1723 
   1724 void
   1725 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
   1726 {
   1727 	g_signal_connect(G_OBJECT(d), "notify::response",
   1728 	                 G_CALLBACK(responsereceived), c);
   1729 }
   1730 
   1731 void
   1732 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
   1733 {
   1734 	download(c, webkit_download_get_response(d));
   1735 	webkit_download_cancel(d);
   1736 }
   1737 
   1738 void
   1739 download(Client *c, WebKitURIResponse *r)
   1740 {
   1741 	Arg a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
   1742 	spawn(c, &a);
   1743 }
   1744 
   1745 void
   1746 webprocessterminated(WebKitWebView *v, WebKitWebProcessTerminationReason r,
   1747                      Client *c)
   1748 {
   1749 	fprintf(stderr, "web process terminated: %s\n",
   1750 	        r == WEBKIT_WEB_PROCESS_CRASHED ? "crashed" : "no memory");
   1751 	closeview(v, c);
   1752 }
   1753 
   1754 void
   1755 closeview(WebKitWebView *v, Client *c)
   1756 {
   1757 	gtk_widget_destroy(c->win);
   1758 }
   1759 
   1760 void
   1761 destroywin(GtkWidget* w, Client *c)
   1762 {
   1763 	destroyclient(c);
   1764 	if (!clients)
   1765 		gtk_main_quit();
   1766 }
   1767 
   1768 void
   1769 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
   1770 {
   1771 	Arg a = {.v = text };
   1772 	if (text)
   1773 		loaduri((Client *) d, &a);
   1774 }
   1775 
   1776 void
   1777 reload(Client *c, const Arg *a)
   1778 {
   1779 	if (a->i)
   1780 		webkit_web_view_reload_bypass_cache(c->view);
   1781 	else
   1782 		webkit_web_view_reload(c->view);
   1783 }
   1784 
   1785 void
   1786 print(Client *c, const Arg *a)
   1787 {
   1788 	webkit_print_operation_run_dialog(webkit_print_operation_new(c->view),
   1789 	                                  GTK_WINDOW(c->win));
   1790 }
   1791 
   1792 void
   1793 showcert(Client *c, const Arg *a)
   1794 {
   1795 	GTlsCertificate *cert = c->failedcert ? c->failedcert : c->cert;
   1796 	GcrCertificate *gcrt;
   1797 	GByteArray *crt;
   1798 	GtkWidget *win;
   1799 	GcrCertificateWidget *wcert;
   1800 
   1801 	if (!cert)
   1802 		return;
   1803 
   1804 	g_object_get(cert, "certificate", &crt, NULL);
   1805 	gcrt = gcr_simple_certificate_new(crt->data, crt->len);
   1806 	g_byte_array_unref(crt);
   1807 
   1808 	win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
   1809 	wcert = gcr_certificate_widget_new(gcrt);
   1810 	g_object_unref(gcrt);
   1811 
   1812 	gtk_container_add(GTK_CONTAINER(win), GTK_WIDGET(wcert));
   1813 	gtk_widget_show_all(win);
   1814 }
   1815 
   1816 void
   1817 clipboard(Client *c, const Arg *a)
   1818 {
   1819 	if (a->i) { /* load clipboard uri */
   1820 		gtk_clipboard_request_text(gtk_clipboard_get(
   1821 		                           GDK_SELECTION_PRIMARY),
   1822 		                           pasteuri, c);
   1823 	} else { /* copy uri */
   1824 		gtk_clipboard_set_text(gtk_clipboard_get(
   1825 		                       GDK_SELECTION_PRIMARY), c->targeturi
   1826 		                       ? c->targeturi : geturi(c), -1);
   1827 	}
   1828 }
   1829 
   1830 void
   1831 zoom(Client *c, const Arg *a)
   1832 {
   1833 	if (a->i > 0)
   1834 		webkit_web_view_set_zoom_level(c->view,
   1835 		                               curconfig[ZoomLevel].val.f + 0.1);
   1836 	else if (a->i < 0)
   1837 		webkit_web_view_set_zoom_level(c->view,
   1838 		                               curconfig[ZoomLevel].val.f - 0.1);
   1839 	else
   1840 		webkit_web_view_set_zoom_level(c->view, 1.0);
   1841 
   1842 	curconfig[ZoomLevel].val.f = webkit_web_view_get_zoom_level(c->view);
   1843 }
   1844 
   1845 static void
   1846 msgext(Client *c, char type, const Arg *a)
   1847 {
   1848 	static char msg[MSGBUFSZ];
   1849 	int ret;
   1850 
   1851 	if ((ret = snprintf(msg, sizeof(msg), "%c%c%c%c",
   1852 	                    4, c->pageid, type, a->i))
   1853 	    >= sizeof(msg)) {
   1854 		fprintf(stderr, "surf: message too long: %d\n", ret);
   1855 		return;
   1856 	}
   1857 
   1858 	if (pipeout[1] && write(pipeout[1], msg, sizeof(msg)) < 0)
   1859 		fprintf(stderr, "surf: error sending: %.*s\n", ret-2, msg+2);
   1860 }
   1861 
   1862 void
   1863 scrollv(Client *c, const Arg *a)
   1864 {
   1865 	msgext(c, 'v', a);
   1866 }
   1867 
   1868 void
   1869 scrollh(Client *c, const Arg *a)
   1870 {
   1871 	msgext(c, 'h', a);
   1872 }
   1873 
   1874 void
   1875 navigate(Client *c, const Arg *a)
   1876 {
   1877 	if (a->i < 0)
   1878 		webkit_web_view_go_back(c->view);
   1879 	else if (a->i > 0)
   1880 		webkit_web_view_go_forward(c->view);
   1881 }
   1882 
   1883 void
   1884 stop(Client *c, const Arg *a)
   1885 {
   1886 	webkit_web_view_stop_loading(c->view);
   1887 }
   1888 
   1889 void
   1890 toggle(Client *c, const Arg *a)
   1891 {
   1892 	curconfig[a->i].val.i ^= 1;
   1893 	setparameter(c, 1, (ParamName)a->i, &curconfig[a->i].val);
   1894 }
   1895 
   1896 void
   1897 togglefullscreen(Client *c, const Arg *a)
   1898 {
   1899 	/* toggling value is handled in winevent() */
   1900 	if (c->fullscreen)
   1901 		gtk_window_unfullscreen(GTK_WINDOW(c->win));
   1902 	else
   1903 		gtk_window_fullscreen(GTK_WINDOW(c->win));
   1904 }
   1905 
   1906 void
   1907 togglecookiepolicy(Client *c, const Arg *a)
   1908 {
   1909 	++cookiepolicy;
   1910 	cookiepolicy %= strlen(curconfig[CookiePolicies].val.v);
   1911 
   1912 	setparameter(c, 0, CookiePolicies, NULL);
   1913 }
   1914 
   1915 void
   1916 toggleinspector(Client *c, const Arg *a)
   1917 {
   1918 	if (webkit_web_inspector_is_attached(c->inspector))
   1919 		webkit_web_inspector_close(c->inspector);
   1920 	else if (curconfig[Inspector].val.i)
   1921 		webkit_web_inspector_show(c->inspector);
   1922 }
   1923 
   1924 void
   1925 find(Client *c, const Arg *a)
   1926 {
   1927 	const char *s, *f;
   1928 
   1929 	if (a && a->i) {
   1930 		if (a->i > 0)
   1931 			webkit_find_controller_search_next(c->finder);
   1932 		else
   1933 			webkit_find_controller_search_previous(c->finder);
   1934 	} else {
   1935 		s = getatom(c, AtomFind);
   1936 		f = webkit_find_controller_get_search_text(c->finder);
   1937 
   1938 		if (g_strcmp0(f, s) == 0) /* reset search */
   1939 			webkit_find_controller_search(c->finder, "", findopts,
   1940 			                              G_MAXUINT);
   1941 
   1942 		webkit_find_controller_search(c->finder, s, findopts,
   1943 		                              G_MAXUINT);
   1944 
   1945 		if (strcmp(s, "") == 0)
   1946 			webkit_find_controller_search_finish(c->finder);
   1947 	}
   1948 }
   1949 
   1950 void
   1951 clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h)
   1952 {
   1953 	navigate(c, a);
   1954 }
   1955 
   1956 void
   1957 clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h)
   1958 {
   1959 	Arg arg;
   1960 
   1961 	arg.v = webkit_hit_test_result_get_link_uri(h);
   1962 	newwindow(c, &arg, a->i);
   1963 }
   1964 
   1965 void
   1966 clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h)
   1967 {
   1968 	Arg arg;
   1969 
   1970 	arg = (Arg)VIDEOPLAY(webkit_hit_test_result_get_media_uri(h));
   1971 	spawn(c, &arg);
   1972 }
   1973 
   1974 int
   1975 main(int argc, char *argv[])
   1976 {
   1977 	Arg arg;
   1978 	Client *c;
   1979 
   1980 	memset(&arg, 0, sizeof(arg));
   1981 
   1982 	/* command line args */
   1983 	ARGBEGIN {
   1984 	case 'a':
   1985 		defconfig[CookiePolicies].val.v = EARGF(usage());
   1986 		defconfig[CookiePolicies].prio = 2;
   1987 		break;
   1988 	case 'b':
   1989 		defconfig[ScrollBars].val.i = 0;
   1990 		defconfig[ScrollBars].prio = 2;
   1991 		break;
   1992 	case 'B':
   1993 		defconfig[ScrollBars].val.i = 1;
   1994 		defconfig[ScrollBars].prio = 2;
   1995 		break;
   1996 	case 'c':
   1997 		cookiefile = EARGF(usage());
   1998 		break;
   1999 	case 'C':
   2000 		stylefile = EARGF(usage());
   2001 		break;
   2002 	case 'd':
   2003 		defconfig[DiskCache].val.i = 0;
   2004 		defconfig[DiskCache].prio = 2;
   2005 		break;
   2006 	case 'D':
   2007 		defconfig[DiskCache].val.i = 1;
   2008 		defconfig[DiskCache].prio = 2;
   2009 		break;
   2010 	case 'e':
   2011 		embed = strtol(EARGF(usage()), NULL, 0);
   2012 		break;
   2013 	case 'f':
   2014 		defconfig[RunInFullscreen].val.i = 0;
   2015 		defconfig[RunInFullscreen].prio = 2;
   2016 		break;
   2017 	case 'F':
   2018 		defconfig[RunInFullscreen].val.i = 1;
   2019 		defconfig[RunInFullscreen].prio = 2;
   2020 		break;
   2021 	case 'g':
   2022 		defconfig[Geolocation].val.i = 0;
   2023 		defconfig[Geolocation].prio = 2;
   2024 		break;
   2025 	case 'G':
   2026 		defconfig[Geolocation].val.i = 1;
   2027 		defconfig[Geolocation].prio = 2;
   2028 		break;
   2029 	case 'i':
   2030 		defconfig[LoadImages].val.i = 0;
   2031 		defconfig[LoadImages].prio = 2;
   2032 		break;
   2033 	case 'I':
   2034 		defconfig[LoadImages].val.i = 1;
   2035 		defconfig[LoadImages].prio = 2;
   2036 		break;
   2037 	case 'k':
   2038 		defconfig[KioskMode].val.i = 0;
   2039 		defconfig[KioskMode].prio = 2;
   2040 		break;
   2041 	case 'K':
   2042 		defconfig[KioskMode].val.i = 1;
   2043 		defconfig[KioskMode].prio = 2;
   2044 		break;
   2045 	case 'm':
   2046 		defconfig[Style].val.i = 0;
   2047 		defconfig[Style].prio = 2;
   2048 		break;
   2049 	case 'M':
   2050 		defconfig[Style].val.i = 1;
   2051 		defconfig[Style].prio = 2;
   2052 		break;
   2053 	case 'n':
   2054 		defconfig[Inspector].val.i = 0;
   2055 		defconfig[Inspector].prio = 2;
   2056 		break;
   2057 	case 'N':
   2058 		defconfig[Inspector].val.i = 1;
   2059 		defconfig[Inspector].prio = 2;
   2060 		break;
   2061 	case 'p':
   2062 		defconfig[Plugins].val.i = 0;
   2063 		defconfig[Plugins].prio = 2;
   2064 		break;
   2065 	case 'P':
   2066 		defconfig[Plugins].val.i = 1;
   2067 		defconfig[Plugins].prio = 2;
   2068 		break;
   2069 	case 'r':
   2070 		scriptfile = EARGF(usage());
   2071 		break;
   2072 	case 's':
   2073 		defconfig[JavaScript].val.i = 0;
   2074 		defconfig[JavaScript].prio = 2;
   2075 		break;
   2076 	case 'S':
   2077 		defconfig[JavaScript].val.i = 1;
   2078 		defconfig[JavaScript].prio = 2;
   2079 		break;
   2080 	case 't':
   2081 		defconfig[StrictTLS].val.i = 0;
   2082 		defconfig[StrictTLS].prio = 2;
   2083 		break;
   2084 	case 'T':
   2085 		defconfig[StrictTLS].val.i = 1;
   2086 		defconfig[StrictTLS].prio = 2;
   2087 		break;
   2088 	case 'u':
   2089 		fulluseragent = EARGF(usage());
   2090 		break;
   2091 	case 'v':
   2092 		die("surf-"VERSION", see LICENSE for © details\n");
   2093 	case 'w':
   2094 		showxid = 1;
   2095 		break;
   2096 	case 'x':
   2097 		defconfig[Certificate].val.i = 0;
   2098 		defconfig[Certificate].prio = 2;
   2099 		break;
   2100 	case 'X':
   2101 		defconfig[Certificate].val.i = 1;
   2102 		defconfig[Certificate].prio = 2;
   2103 		break;
   2104 	case 'z':
   2105 		defconfig[ZoomLevel].val.f = strtof(EARGF(usage()), NULL);
   2106 		defconfig[ZoomLevel].prio = 2;
   2107 		break;
   2108 	default:
   2109 		usage();
   2110 	} ARGEND;
   2111 	if (argc > 0)
   2112 		arg.v = argv[0];
   2113 	else
   2114 		arg.v = "about:blank";
   2115 
   2116 	setup();
   2117 	c = newclient(NULL);
   2118 	showview(NULL, c);
   2119 
   2120 	loaduri(c, &arg);
   2121 	updatetitle(c);
   2122 
   2123 	gtk_main();
   2124 	cleanup();
   2125 
   2126 	return 0;
   2127 }