surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <signal.h>
   6 #include <X11/X.h>
   7 #include <X11/Xatom.h>
   8 #include <gtk/gtk.h>
   9 #include <gdk/gdkx.h>
  10 #include <gdk/gdk.h>
  11 #include <gdk/gdkkeysyms.h>
  12 #include <string.h>
  13 #include <sys/types.h>
  14 #include <sys/wait.h>
  15 #include <unistd.h>
  16 #include <limits.h>
  17 #include <stdlib.h>
  18 #include <stdio.h>
  19 #include <webkit/webkit.h>
  20 #include <glib/gstdio.h>
  21 #include <JavaScriptCore/JavaScript.h>
  22 #include <sys/file.h>
  23 #include <libgen.h>
  24 #include <stdarg.h>
  25
  26 #include "arg.h"
  27
  28 char *argv0;
  29
  30 #define LENGTH(x)               (sizeof x / sizeof x[0])
  31 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  32 #define COOKIEJAR_TYPE          (cookiejar_get_type ())
  33 #define COOKIEJAR(obj)          (G_TYPE_CHECK_INSTANCE_CAST ((obj), COOKIEJAR_TYPE, CookieJar))
  34
  35 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  36
  37 typedef union Arg Arg;
  38 union Arg {
  39         gboolean b;
  40         gint i;
  41         const void *v;
  42 };
  43
  44 typedef struct Client {
  45         GtkWidget *win, *scroll, *vbox, *pane;
  46         WebKitWebView *view;
  47         WebKitWebInspector *inspector;
  48         char *title, *linkhover;
  49         const char *uri, *needle;
  50         gint progress;
  51         struct Client *next;
  52         gboolean zoomed, fullscreen, isinspecting, sslfailed;
  53 } Client;
  54
  55 typedef struct {
  56         char *label;
  57         void (*func)(Client *c, const Arg *arg);
  58         const Arg arg;
  59 } Item;
  60
  61 typedef struct {
  62         guint mod;
  63         guint keyval;
  64         void (*func)(Client *c, const Arg *arg);
  65         const Arg arg;
  66 } Key;
  67
  68 typedef struct {
  69         SoupCookieJarText parent_instance;
  70         int lock;
  71 } CookieJar;
  72
  73 typedef struct {
  74         SoupCookieJarTextClass parent_class;
  75 } CookieJarClass;
  76
  77 G_DEFINE_TYPE(CookieJar, cookiejar, SOUP_TYPE_COOKIE_JAR_TEXT)
  78
  79 static Display *dpy;
  80 static Atom atoms[AtomLast];
  81 static Client *clients = NULL;
  82 static GdkNativeWindow embed = 0;
  83 static gboolean showxid = FALSE;
  84 static char winid[64];
  85 static gboolean usingproxy = 0;
  86 static char togglestat[5];
  87 static char pagestat[2];
  88
  89 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
  90                 WebKitWebResource *r, WebKitNetworkRequest *req,
  91                 WebKitNetworkResponse *resp, gpointer d);
  92 static char *buildpath(const char *path);
  93 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e,
  94                 GList *gl);
  95 static void cleanup(void);
  96 static void clipboard(Client *c, const Arg *arg);
  97
  98 static void cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
  99                 SoupCookie *new_cookie);
 100 static void cookiejar_finalize(GObject *self);
 101 static SoupCookieJar *cookiejar_new(const char *filename, gboolean read_only);
 102 static void cookiejar_set_property(GObject *self, guint prop_id,
 103                 const GValue *value, GParamSpec *pspec);
 104
 105 static char *copystr(char **str, const char *src);
 106 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f,
 107                 Client *c);
 108 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f,
 109                 WebKitNetworkRequest *r, gchar *m,  WebKitWebPolicyDecision *p,
 110                 Client *c);
 111 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f,
 112                 WebKitNetworkRequest *r, WebKitWebNavigationAction *n,
 113                 WebKitWebPolicyDecision *p, Client *c);
 114 static void destroyclient(Client *c);
 115 static void destroywin(GtkWidget* w, Client *c);
 116 static void die(const char *errstr, ...);
 117 static void eval(Client *c, const Arg *arg);
 118 static void find(Client *c, const Arg *arg);
 119 static void fullscreen(Client *c, const Arg *arg);
 120 static const char *getatom(Client *c, int a);
 121 static void gettogglestat(Client *c);
 122 static void getpagestat(Client *c);
 123 static char *geturi(Client *c);
 124 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
 125
 126 static void inspector(Client *c, const Arg *arg);
 127 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 128                 Client *c);
 129 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 130 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 131 static void inspector_finished(WebKitWebInspector *i, Client *c);
 132
 133 static gboolean keypress(GtkWidget *w, GdkEventKey *ev, Client *c);
 134 static void linkhover(WebKitWebView *v, const char* t, const char* l,
 135                 Client *c);
 136 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
 137                 Client *c);
 138 static void loaduri(Client *c, const Arg *arg);
 139 static void navigate(Client *c, const Arg *arg);
 140 static Client *newclient(void);
 141 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 142 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 143 static void populatepopup(WebKitWebView *web, GtkMenu *menu, Client *c);
 144 static void popupactivate(GtkMenuItem *menu, Client *);
 145 static void print(Client *c, const Arg *arg);
 146 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 147                 gpointer d);
 148 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 149 static void reload(Client *c, const Arg *arg);
 150 static void scroll_h(Client *c, const Arg *arg);
 151 static void scroll_v(Client *c, const Arg *arg);
 152 static void scroll(GtkAdjustment *a, const Arg *arg);
 153 static void setatom(Client *c, int a, const char *v);
 154 static void setup(void);
 155 static void sigchld(int unused);
 156 static void source(Client *c, const Arg *arg);
 157 static void spawn(Client *c, const Arg *arg);
 158 static void stop(Client *c, const Arg *arg);
 159 static void titlechange(WebKitWebView *v, WebKitWebFrame *frame,
 160                 const char *title, Client *c);
 161 static void toggle(Client *c, const Arg *arg);
 162 static void update(Client *c);
 163 static void updatewinid(Client *c);
 164 static void usage(void);
 165 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 166                 JSContextRef js, JSObjectRef win, Client *c);
 167 static void zoom(Client *c, const Arg *arg);
 168
 169 /* configuration, allows nested code to access above variables */
 170 #include "config.h"
 171
 172 static void
 173 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 174                 WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 175                 gpointer d) {
 176         const gchar *uri = webkit_network_request_get_uri(req);
 177         if(g_str_has_suffix(uri, "/favicon.ico"))
 178                 webkit_network_request_set_uri(req, "about:blank");
 179 }
 180
 181 static char *
 182 buildpath(const char *path) {
 183         char *apath, *p;
 184         FILE *f;
 185
 186         /* creating directory */
 187         if(path[0] == '/') {
 188                 apath = g_strdup(path);
 189         } else if(path[0] == '~') {
 190                 if(path[1] == '/') {
 191                         apath = g_strconcat(g_get_home_dir(), &path[1], NULL);
 192                 } else {
 193                         apath = g_strconcat(g_get_home_dir(), "/",
 194                                         &path[1], NULL);
 195                 }
 196         } else {
 197                 apath = g_strconcat(g_get_current_dir(), "/", path, NULL);
 198         }
 199
 200         if((p = strrchr(apath, '/'))) {
 201                 *p = '\0';
 202                 g_mkdir_with_parents(apath, 0700);
 203                 g_chmod(apath, 0700); /* in case it existed */
 204                 *p = '/';
 205         }
 206         /* creating file (gives error when apath ends with "/") */
 207         if((f = fopen(apath, "a"))) {
 208                 g_chmod(apath, 0600); /* always */
 209                 fclose(f);
 210         }
 211
 212         return apath;
 213 }
 214
 215 static gboolean
 216 buttonrelease(WebKitWebView *web, GdkEventButton *e, GList *gl) {
 217         WebKitHitTestResultContext context;
 218         WebKitHitTestResult *result = webkit_web_view_get_hit_test_result(web,
 219                         e);
 220         Arg arg;
 221
 222         g_object_get(result, "context", &context, NULL);
 223         if(context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK) {
 224                 if(e->button == 2) {
 225                         g_object_get(result, "link-uri", &arg.v, NULL);
 226                         newwindow(NULL, &arg, e->state & GDK_CONTROL_MASK);
 227                         return true;
 228                 }
 229         }
 230         return false;
 231 }
 232
 233 static void
 234 cleanup(void) {
 235         while(clients)
 236                 destroyclient(clients);
 237         g_free(cookiefile);
 238         g_free(scriptfile);
 239         g_free(stylefile);
 240 }
 241
 242 static void
 243 cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
 244                 SoupCookie *new_cookie) {
 245         flock(COOKIEJAR(self)->lock, LOCK_EX);
 246         if(new_cookie && !new_cookie->expires && sessiontime) {
 247                 soup_cookie_set_expires(new_cookie,
 248                                 soup_date_new_from_now(sessiontime));
 249         }
 250         SOUP_COOKIE_JAR_CLASS(cookiejar_parent_class)->changed(self,
 251                         old_cookie, new_cookie);
 252         flock(COOKIEJAR(self)->lock, LOCK_UN);
 253 }
 254
 255 static void
 256 cookiejar_class_init(CookieJarClass *klass) {
 257         SOUP_COOKIE_JAR_CLASS(klass)->changed = cookiejar_changed;
 258         G_OBJECT_CLASS(klass)->get_property =
 259                 G_OBJECT_CLASS(cookiejar_parent_class)->get_property;
 260         G_OBJECT_CLASS(klass)->set_property = cookiejar_set_property;
 261         G_OBJECT_CLASS(klass)->finalize = cookiejar_finalize;
 262         g_object_class_override_property(G_OBJECT_CLASS(klass), 1, "filename");
 263 }
 264
 265 static void
 266 cookiejar_finalize(GObject *self) {
 267         close(COOKIEJAR(self)->lock);
 268         G_OBJECT_CLASS(cookiejar_parent_class)->finalize(self);
 269 }
 270
 271 static void
 272 cookiejar_init(CookieJar *self) {
 273         self->lock = open(cookiefile, 0);
 274 }
 275
 276 static SoupCookieJar *
 277 cookiejar_new(const char *filename, gboolean read_only) {
 278         return g_object_new(COOKIEJAR_TYPE,
 279                             SOUP_COOKIE_JAR_TEXT_FILENAME, filename,
 280                             SOUP_COOKIE_JAR_READ_ONLY, read_only, NULL);
 281 }
 282
 283 static void
 284 cookiejar_set_property(GObject *self, guint prop_id, const GValue *value,
 285                 GParamSpec *pspec) {
 286         flock(COOKIEJAR(self)->lock, LOCK_SH);
 287         G_OBJECT_CLASS(cookiejar_parent_class)->set_property(self, prop_id,
 288                         value, pspec);
 289         flock(COOKIEJAR(self)->lock, LOCK_UN);
 290 }
 291
 292 static void
 293 evalscript(JSContextRef js, char *script, char* scriptname) {
 294         JSStringRef jsscript, jsscriptname;
 295         JSValueRef exception = NULL;
 296
 297         jsscript = JSStringCreateWithUTF8CString(script);
 298         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 299         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js), jsscriptname, 0, &exception);
 300         JSStringRelease(jsscript);
 301         JSStringRelease(jsscriptname);
 302 }
 303
 304 static void
 305 runscript(WebKitWebFrame *frame) {
 306         char *script;
 307         GError *error;
 308
 309         if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
 310                 evalscript(webkit_web_frame_get_global_context(frame), script, scriptfile);
 311         }
 312 }
 313
 314 static void
 315 clipboard(Client *c, const Arg *arg) {
 316         gboolean paste = *(gboolean *)arg;
 317
 318         if(paste)
 319                 gtk_clipboard_request_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), pasteuri, c);
 320         else
 321                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), c->linkhover ? c->linkhover : geturi(c), -1);
 322 }
 323
 324 static char *
 325 copystr(char **str, const char *src) {
 326         char *tmp;
 327         tmp = g_strdup(src);
 328
 329         if(str && *str) {
 330                 g_free(*str);
 331                 *str = tmp;
 332         }
 333         return tmp;
 334 }
 335
 336 static WebKitWebView *
 337 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 338         Client *n = newclient();
 339         return n->view;
 340 }
 341
 342 static gboolean
 343 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r,
 344                 gchar *m,  WebKitWebPolicyDecision *p, Client *c) {
 345         if(!webkit_web_view_can_show_mime_type(v, m)) {
 346                 webkit_web_policy_decision_download(p);
 347                 return TRUE;
 348         }
 349         return FALSE;
 350 }
 351
 352 static gboolean
 353 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r,
 354                 WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p,
 355                 Client *c) {
 356         Arg arg;
 357
 358         if(webkit_web_navigation_action_get_reason(n) ==
 359                         WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 360                 webkit_web_policy_decision_ignore(p);
 361                 arg.v = (void *)webkit_network_request_get_uri(r);
 362                 newwindow(NULL, &arg, 0);
 363                 return TRUE;
 364         }
 365         return FALSE;
 366 }
 367
 368 static void
 369 destroyclient(Client *c) {
 370         Client *p;
 371
 372         webkit_web_view_stop_loading(c->view);
 373         gtk_widget_destroy(GTK_WIDGET(c->view));
 374         gtk_widget_destroy(c->scroll);
 375         gtk_widget_destroy(c->vbox);
 376         gtk_widget_destroy(c->win);
 377
 378         for(p = clients; p && p->next != c; p = p->next);
 379         if(p) {
 380                 p->next = c->next;
 381         } else {
 382                 clients = c->next;
 383         }
 384         free(c);
 385         if(clients == NULL)
 386                 gtk_main_quit();
 387 }
 388
 389 static void
 390 destroywin(GtkWidget* w, Client *c) {
 391         destroyclient(c);
 392 }
 393
 394 static void
 395 die(const char *errstr, ...) {
 396         va_list ap;
 397
 398         va_start(ap, errstr);
 399         vfprintf(stderr, errstr, ap);
 400         va_end(ap);
 401         exit(EXIT_FAILURE);
 402 }
 403
 404 static void
 405 find(Client *c, const Arg *arg) {
 406         const char *s;
 407
 408         s = getatom(c, AtomFind);
 409         gboolean forward = *(gboolean *)arg;
 410         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 411 }
 412
 413 static void
 414 fullscreen(Client *c, const Arg *arg) {
 415         if(c->fullscreen) {
 416                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 417         } else {
 418                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 419         }
 420         c->fullscreen = !c->fullscreen;
 421 }
 422
 423 static const char *
 424 getatom(Client *c, int a) {
 425         static char buf[BUFSIZ];
 426         Atom adummy;
 427         int idummy;
 428         unsigned long ldummy;
 429         unsigned char *p = NULL;
 430
 431         XGetWindowProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
 432                         atoms[a], 0L, BUFSIZ, False, XA_STRING,
 433                         &adummy, &idummy, &ldummy, &ldummy, &p);
 434         if(p)
 435                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 436         else
 437                 buf[0] = '\0';
 438         XFree(p);
 439         return buf;
 440 }
 441
 442 static char *
 443 geturi(Client *c) {
 444         char *uri;
 445
 446         if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
 447                 uri = "about:blank";
 448         return uri;
 449 }
 450
 451 static gboolean
 452 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 453         Arg arg;
 454
 455         updatewinid(c);
 456         arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
 457         spawn(c, &arg);
 458         return FALSE;
 459 }
 460
 461 static void
 462 inspector(Client *c, const Arg *arg) {
 463         if(c->isinspecting) {
 464                 webkit_web_inspector_close(c->inspector);
 465         } else {
 466                 webkit_web_inspector_show(c->inspector);
 467         }
 468 }
 469
 470 static WebKitWebView *
 471 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c) {
 472         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 473 }
 474
 475 static gboolean
 476 inspector_show(WebKitWebInspector *i, Client *c) {
 477         WebKitWebView *w;
 478
 479         if(c->isinspecting)
 480                 return false;
 481
 482         w = webkit_web_inspector_get_web_view(i);
 483         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 484         gtk_widget_show(GTK_WIDGET(w));
 485         c->isinspecting = true;
 486
 487         return true;
 488 }
 489
 490 static gboolean
 491 inspector_close(WebKitWebInspector *i, Client *c) {
 492         GtkWidget *w;
 493
 494         if(!c->isinspecting)
 495                 return false;
 496
 497         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 498         gtk_widget_hide(w);
 499         gtk_widget_destroy(w);
 500         c->isinspecting = false;
 501
 502         return true;
 503 }
 504
 505 static void
 506 inspector_finished(WebKitWebInspector *i, Client *c) {
 507         g_free(c->inspector);
 508 }
 509
 510 static gboolean
 511 keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {
 512         guint i;
 513         gboolean processed = FALSE;
 514
 515         updatewinid(c);
 516         for(i = 0; i < LENGTH(keys); i++) {
 517                 if(gdk_keyval_to_lower(ev->keyval) == keys[i].keyval
 518                                 && CLEANMASK(ev->state) == keys[i].mod
 519                                 && keys[i].func) {
 520                         keys[i].func(c, &(keys[i].arg));
 521                         processed = TRUE;
 522                 }
 523         }
 524
 525         return processed;
 526 }
 527
 528 static void
 529 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c) {
 530         if(l) {
 531                 c->linkhover = copystr(&c->linkhover, l);
 532         } else if(c->linkhover) {
 533                 free(c->linkhover);
 534                 c->linkhover = NULL;
 535         }
 536         update(c);
 537 }
 538
 539 static void
 540 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
 541         WebKitWebFrame *frame;
 542         WebKitWebDataSource *src;
 543         WebKitNetworkRequest *request;
 544         SoupMessage *msg;
 545         char *uri;
 546
 547         switch(webkit_web_view_get_load_status (c->view)) {
 548         case WEBKIT_LOAD_COMMITTED:
 549                 uri = geturi(c);
 550                 if(strstr(uri, "https://") == uri) {
 551                         frame = webkit_web_view_get_main_frame(c->view);
 552                         src = webkit_web_frame_get_data_source(frame);
 553                         request = webkit_web_data_source_get_request(src);
 554                         msg = webkit_network_request_get_message(request);
 555                         c->sslfailed = soup_message_get_flags(msg)
 556                                        ^ SOUP_MESSAGE_CERTIFICATE_TRUSTED;
 557                 }
 558                 setatom(c, AtomUri, uri);
 559                 break;
 560         case WEBKIT_LOAD_FINISHED:
 561                 c->progress = 100;
 562                 update(c);
 563                 break;
 564         default:
 565                 break;
 566         }
 567 }
 568
 569 static void
 570 loaduri(Client *c, const Arg *arg) {
 571         char *u, *rp;
 572         const char *uri = (char *)arg->v;
 573         Arg a = { .b = FALSE };
 574
 575         if(strcmp(uri, "") == 0)
 576                 return;
 577
 578         /* In case it's a file path. */
 579         if(uri[0] == '/') {
 580                 rp = realpath(uri, NULL);
 581                 u = g_strdup_printf("file://%s", rp);
 582                 free(rp);
 583         } else {
 584                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 585                         : g_strdup_printf("http://%s", uri);
 586         }
 587
 588         /* prevents endless loop */
 589         if(c->uri && strcmp(u, c->uri) == 0) {
 590                 reload(c, &a);
 591         } else {
 592                 webkit_web_view_load_uri(c->view, u);
 593                 c->progress = 0;
 594                 c->title = copystr(&c->title, u);
 595                 g_free(u);
 596                 update(c);
 597         }
 598 }
 599
 600 static void
 601 navigate(Client *c, const Arg *arg) {
 602         int steps = *(int *)arg;
 603         webkit_web_view_go_back_or_forward(c->view, steps);
 604 }
 605
 606 static Client *
 607 newclient(void) {
 608         Client *c;
 609         WebKitWebSettings *settings;
 610         WebKitWebFrame *frame;
 611         GdkGeometry hints = { 1, 1 };
 612         char *uri, *ua;
 613
 614         if(!(c = calloc(1, sizeof(Client))))
 615                 die("Cannot malloc!\n");
 616
 617         /* Window */
 618         if(embed) {
 619                 c->win = gtk_plug_new(embed);
 620         } else {
 621                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 622
 623                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
 624                  * is always correct, so we should still call this function.
 625                  * But when doing so, we *must* differentiate between a
 626                  * WM_CLASS and a resource on the window.  By convention, the
 627                  * window class (WM_CLASS) is capped, while the resource is in
 628                  * lowercase.   Both these values come as a pair.
 629                  */
 630                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
 631
 632                 /* TA:  20091214:  And set the role here as well -- so that
 633                  * sessions can pick this up.
 634                  */
 635                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
 636         }
 637         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 638         g_signal_connect(G_OBJECT(c->win),
 639                         "destroy",
 640                         G_CALLBACK(destroywin), c);
 641         g_signal_connect(G_OBJECT(c->win),
 642                         "key-press-event",
 643                         G_CALLBACK(keypress), c);
 644
 645         /* Pane */
 646         c->pane = gtk_vpaned_new();
 647
 648         /* VBox */
 649         c->vbox = gtk_vbox_new(FALSE, 0);
 650         gtk_paned_pack1(GTK_PANED(c->pane), c->vbox, TRUE, TRUE);
 651
 652         /* Scrolled Window */
 653         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 654         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 655                         GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 656
 657         /* Webview */
 658         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 659         g_signal_connect(G_OBJECT(c->view),
 660                         "title-changed",
 661                         G_CALLBACK(titlechange), c);
 662         g_signal_connect(G_OBJECT(c->view),
 663                         "hovering-over-link",
 664                         G_CALLBACK(linkhover), c);
 665         g_signal_connect(G_OBJECT(c->view),
 666                         "create-web-view",
 667                         G_CALLBACK(createwindow), c);
 668         g_signal_connect(G_OBJECT(c->view),
 669                         "new-window-policy-decision-requested",
 670                         G_CALLBACK(decidewindow), c);
 671         g_signal_connect(G_OBJECT(c->view),
 672                         "mime-type-policy-decision-requested",
 673                         G_CALLBACK(decidedownload), c);
 674         g_signal_connect(G_OBJECT(c->view),
 675                         "window-object-cleared",
 676                         G_CALLBACK(windowobjectcleared), c);
 677         g_signal_connect(G_OBJECT(c->view),
 678                         "notify::load-status",
 679                         G_CALLBACK(loadstatuschange), c);
 680         g_signal_connect(G_OBJECT(c->view),
 681                         "notify::progress",
 682                         G_CALLBACK(progresschange), c);
 683         g_signal_connect(G_OBJECT(c->view),
 684                         "download-requested",
 685                         G_CALLBACK(initdownload), c);
 686         g_signal_connect(G_OBJECT(c->view),
 687                         "button-release-event",
 688                         G_CALLBACK(buttonrelease), c);
 689         g_signal_connect(G_OBJECT(c->view),
 690                         "populate-popup",
 691                         G_CALLBACK(populatepopup), c);
 692         g_signal_connect(G_OBJECT(c->view),
 693                         "resource-request-starting",
 694                         G_CALLBACK(beforerequest), c);
 695
 696         /* Arranging */
 697         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 698         gtk_container_add(GTK_CONTAINER(c->win), c->pane);
 699         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 700
 701         /* Setup */
 702         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE,
 703                         TRUE, 0, GTK_PACK_START);
 704         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 705         gtk_widget_show(c->pane);
 706         gtk_widget_show(c->vbox);
 707         gtk_widget_show(c->scroll);
 708         gtk_widget_show(GTK_WIDGET(c->view));
 709         gtk_widget_show(c->win);
 710         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
 711                         GDK_HINT_MIN_SIZE);
 712         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 713         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 714         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 715
 716         frame = webkit_web_view_get_main_frame(c->view);
 717         runscript(frame);
 718         settings = webkit_web_view_get_settings(c->view);
 719         if(!(ua = getenv("SURF_USERAGENT")))
 720                 ua = useragent;
 721         g_object_set(G_OBJECT(settings), "user-agent", ua, NULL);
 722         uri = g_strconcat("file://", stylefile, NULL);
 723         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
 724         g_object_set(G_OBJECT(settings), "auto-load-images", loadimages,
 725                         NULL);
 726         g_object_set(G_OBJECT(settings), "enable-plugins", enableplugins,
 727                         NULL);
 728         g_object_set(G_OBJECT(settings), "enable-scripts", enablescripts,
 729                         NULL);
 730         g_object_set(G_OBJECT(settings), "enable-spatial-navigation",
 731                         enablespatialbrowsing, NULL);
 732         g_object_set(G_OBJECT(settings), "enable-developer-extras",
 733                         enableinspector, NULL);
 734
 735         if(enableinspector) {
 736                 c->inspector = WEBKIT_WEB_INSPECTOR(
 737                                 webkit_web_view_get_inspector(c->view));
 738                 g_signal_connect(G_OBJECT(c->inspector), "inspect-web-view",
 739                                 G_CALLBACK(inspector_new), c);
 740                 g_signal_connect(G_OBJECT(c->inspector), "show-window",
 741                                 G_CALLBACK(inspector_show), c);
 742                 g_signal_connect(G_OBJECT(c->inspector), "close-window",
 743                                 G_CALLBACK(inspector_close), c);
 744                 g_signal_connect(G_OBJECT(c->inspector), "finished",
 745                                 G_CALLBACK(inspector_finished), c);
 746                 c->isinspecting = false;
 747         }
 748
 749         g_free(uri);
 750
 751         setatom(c, AtomFind, "");
 752         setatom(c, AtomUri, "about:blank");
 753         if(hidebackground)
 754                 webkit_web_view_set_transparent(c->view, TRUE);
 755
 756         c->title = NULL;
 757         c->next = clients;
 758         clients = c;
 759
 760         if(showxid) {
 761                 gdk_display_sync(gtk_widget_get_display(c->win));
 762                 printf("%u\n",
 763                         (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 764                 fflush(NULL);
 765                 if (fclose(stdout) != 0) {
 766                         die("Error closing stdout");
 767                 }
 768         }
 769
 770         return c;
 771 }
 772
 773 static void
 774 newwindow(Client *c, const Arg *arg, gboolean noembed) {
 775         guint i = 0;
 776         const char *cmd[10], *uri;
 777         const Arg a = { .v = (void *)cmd };
 778         char tmp[64];
 779
 780         cmd[i++] = argv0;
 781         if(embed && !noembed) {
 782                 cmd[i++] = "-e";
 783                 snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed);
 784                 cmd[i++] = tmp;
 785         }
 786         if(!enablescripts)
 787                 cmd[i++] = "-s";
 788         if(!enableplugins)
 789                 cmd[i++] = "-p";
 790         if(!loadimages)
 791                 cmd[i++] = "-i";
 792         if(showxid)
 793                 cmd[i++] = "-x";
 794         cmd[i++] = "--";
 795         uri = arg->v ? (char *)arg->v : c->linkhover;
 796         if(uri)
 797                 cmd[i++] = uri;
 798         cmd[i++] = NULL;
 799         spawn(NULL, &a);
 800 }
 801
 802 static void
 803 populatepopup(WebKitWebView *web, GtkMenu *menu, Client *c) {
 804         GList *items = gtk_container_get_children(GTK_CONTAINER(menu));
 805
 806         for(GList *l = items; l; l = l->next) {
 807                 g_signal_connect(l->data, "activate", G_CALLBACK(popupactivate), c);
 808         }
 809
 810         g_list_free(items);
 811 }
 812
 813 static void
 814 popupactivate(GtkMenuItem *menu, Client *c) {
 815         /*
 816          * context-menu-action-2000     open link
 817          * context-menu-action-1        open link in window
 818          * context-menu-action-2        download linked file
 819          * context-menu-action-3        copy link location
 820          * context-menu-action-13       reload
 821          * context-menu-action-10       back
 822          * context-menu-action-11       forward
 823          * context-menu-action-12       stop
 824          */
 825
 826         GtkAction *a = NULL;
 827         const char *name;
 828         GtkClipboard *prisel;
 829
 830         a = gtk_activatable_get_related_action(GTK_ACTIVATABLE(menu));
 831         if(a == NULL)
 832                 return;
 833
 834         name = gtk_action_get_name(a);
 835         if(!g_strcmp0(name, "context-menu-action-3")) {
 836                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
 837                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
 838         }
 839 }
 840
 841 static void
 842 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
 843         Arg arg = {.v = text };
 844         if(text != NULL)
 845                 loaduri((Client *) d, &arg);
 846 }
 847
 848 static void
 849 print(Client *c, const Arg *arg) {
 850         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
 851 }
 852
 853 static GdkFilterReturn
 854 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
 855         Client *c = (Client *)d;
 856         XPropertyEvent *ev;
 857         Arg arg;
 858
 859         if(((XEvent *)e)->type == PropertyNotify) {
 860                 ev = &((XEvent *)e)->xproperty;
 861                 if(ev->state == PropertyNewValue) {
 862                         if(ev->atom == atoms[AtomFind]) {
 863                                 arg.b = TRUE;
 864                                 find(c, &arg);
 865                                 return GDK_FILTER_REMOVE;
 866                         }
 867                         else if(ev->atom == atoms[AtomGo]) {
 868                                 arg.v = getatom(c, AtomGo);
 869                                 loaduri(c, &arg);
 870                                 return GDK_FILTER_REMOVE;
 871                         }
 872                 }
 873         }
 874         return GDK_FILTER_CONTINUE;
 875 }
 876
 877 static void
 878 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
 879         c->progress = webkit_web_view_get_progress(c->view) * 100;
 880         update(c);
 881 }
 882
 883 static void
 884 reload(Client *c, const Arg *arg) {
 885         gboolean nocache = *(gboolean *)arg;
 886         if(nocache)
 887                  webkit_web_view_reload_bypass_cache(c->view);
 888         else
 889                  webkit_web_view_reload(c->view);
 890 }
 891
 892 static void
 893 scroll_h(Client *c, const Arg *arg) {
 894         scroll(gtk_scrolled_window_get_hadjustment(
 895                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
 896 }
 897
 898 static void
 899 scroll_v(Client *c, const Arg *arg) {
 900         scroll(gtk_scrolled_window_get_vadjustment(
 901                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
 902 }
 903
 904 static void
 905 scroll(GtkAdjustment *a, const Arg *arg) {
 906         gdouble v;
 907
 908         v = gtk_adjustment_get_value(a);
 909         switch (arg->i){
 910         case +10000:
 911         case -10000:
 912                 v += gtk_adjustment_get_page_increment(a) *
 913                         (arg->i / 10000);
 914                 break;
 915         case +20000:
 916         case -20000:
 917         default:
 918                 v += gtk_adjustment_get_step_increment(a) * arg->i;
 919         }
 920
 921         v = MAX(v, 0.0);
 922         v = MIN(v, gtk_adjustment_get_upper(a) -
 923                         gtk_adjustment_get_page_size(a));
 924         gtk_adjustment_set_value(a, v);
 925 }
 926
 927 static void
 928 setatom(Client *c, int a, const char *v) {
 929         XSync(dpy, False);
 930         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
 931                         atoms[a], XA_STRING, 8, PropModeReplace,
 932                         (unsigned char *)v, strlen(v) + 1);
 933 }
 934
 935 static void
 936 setup(void) {
 937         char *proxy;
 938         char *new_proxy;
 939         SoupURI *puri;
 940         SoupSession *s;
 941
 942         /* clean up any zombies immediately */
 943         sigchld(0);
 944         gtk_init(NULL, NULL);
 945
 946         dpy = GDK_DISPLAY();
 947
 948         /* atoms */
 949         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
 950         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
 951         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
 952
 953         /* dirs and files */
 954         cookiefile = buildpath(cookiefile);
 955         scriptfile = buildpath(scriptfile);
 956         stylefile = buildpath(stylefile);
 957
 958         /* request handler */
 959         s = webkit_get_default_session();
 960
 961         /* cookie jar */
 962         soup_session_add_feature(s,
 963                         SOUP_SESSION_FEATURE(cookiejar_new(cookiefile,
 964                                         FALSE)));
 965
 966         /* ssl */
 967         g_object_set(G_OBJECT(s), "ssl-ca-file", cafile, NULL);
 968         g_object_set(G_OBJECT(s), "ssl-strict", strictssl, NULL);
 969
 970         /* proxy */
 971         if((proxy = getenv("http_proxy")) && strcmp(proxy, "")) {
 972                 new_proxy = g_strrstr(proxy, "http://") ? g_strdup(proxy) :
 973                         g_strdup_printf("http://%s", proxy);
 974                 puri = soup_uri_new(new_proxy);
 975                 g_object_set(G_OBJECT(s), "proxy-uri", puri, NULL);
 976                 soup_uri_free(puri);
 977                 g_free(new_proxy);
 978                 usingproxy = 1;
 979         }
 980 }
 981
 982 static void
 983 sigchld(int unused) {
 984         if(signal(SIGCHLD, sigchld) == SIG_ERR)
 985                 die("Can't install SIGCHLD handler");
 986         while(0 < waitpid(-1, NULL, WNOHANG));
 987 }
 988
 989 static void
 990 source(Client *c, const Arg *arg) {
 991         Arg a = { .b = FALSE };
 992         gboolean s;
 993
 994         s = webkit_web_view_get_view_source_mode(c->view);
 995         webkit_web_view_set_view_source_mode(c->view, !s);
 996         reload(c, &a);
 997 }
 998
 999 static void
1000 spawn(Client *c, const Arg *arg) {
1001         if(fork() == 0) {
1002                 if(dpy)
1003                         close(ConnectionNumber(dpy));
1004                 setsid();
1005                 execvp(((char **)arg->v)[0], (char **)arg->v);
1006                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1007                 perror(" failed");
1008                 exit(0);
1009         }
1010 }
1011
1012 static void
1013 eval(Client *c, const Arg *arg) {
1014         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1015         evalscript(webkit_web_frame_get_global_context(frame),
1016                         ((char **)arg->v)[0], "");
1017 }
1018
1019 static void
1020 stop(Client *c, const Arg *arg) {
1021         webkit_web_view_stop_loading(c->view);
1022 }
1023
1024 static void
1025 titlechange(WebKitWebView *v, WebKitWebFrame *f, const char *t, Client *c) {
1026         c->title = copystr(&c->title, t);
1027         update(c);
1028 }
1029
1030 static void
1031 toggle(Client *c, const Arg *arg) {
1032         WebKitWebSettings *settings;
1033         char *name = (char *)arg->v;
1034         gboolean value;
1035         Arg a = { .b = FALSE };
1036
1037         settings = webkit_web_view_get_settings(c->view);
1038         g_object_get(G_OBJECT(settings), name, &value, NULL);
1039         g_object_set(G_OBJECT(settings), name, !value, NULL);
1040
1041         reload(c,&a);
1042 }
1043
1044 static void
1045 gettogglestat(Client *c){
1046         gboolean value;
1047         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1048
1049         g_object_get(G_OBJECT(settings), "enable-caret-browsing",
1050                         &value, NULL);
1051         togglestat[0] = value? 'C': 'c';
1052
1053         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1054         togglestat[1] = value? 'I': 'i';
1055
1056         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1057         togglestat[2] = value? 'S': 's';
1058
1059         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1060         togglestat[3] = value? 'V': 'v';
1061
1062         togglestat[4] = '\0';
1063 }
1064
1065 static void
1066 getpagestat(Client *c) {
1067         const char *uri = geturi(c);
1068
1069         if(strstr(uri, "https://") == uri)
1070                 pagestat[0] = c->sslfailed ? 'U' : 'T';
1071         else
1072                 pagestat[0] = '-';
1073
1074         pagestat[1] = usingproxy ? 'P' : '-';
1075 }
1076
1077 static void
1078 update(Client *c) {
1079         char *t;
1080
1081         gettogglestat(c);
1082         getpagestat(c);
1083
1084         if(c->linkhover) {
1085                 t = g_strdup_printf("%s:%s | %s", togglestat, pagestat, c->linkhover);
1086         } else if(c->progress != 100) {
1087                 t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress, togglestat,
1088                         pagestat, c->title);
1089         } else {
1090                 t = g_strdup_printf("%s:%s | %s", togglestat, pagestat, c->title);
1091         }
1092
1093         gtk_window_set_title(GTK_WINDOW(c->win), t);
1094         g_free(t);
1095 }
1096
1097 static void
1098 updatewinid(Client *c) {
1099         snprintf(winid, LENGTH(winid), "%u",
1100                         (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
1101 }
1102
1103 static void
1104 usage(void) {
1105         die("usage: %s [-inpsvx] [-c cookiefile] [-e xid] [-r scriptfile]"
1106                 " [-t stylefile] [-u useragent] [uri]\n", basename(argv0));
1107 }
1108
1109 static void
1110 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1111                 JSObjectRef win, Client *c) {
1112         runscript(frame);
1113 }
1114
1115 static void
1116 zoom(Client *c, const Arg *arg) {
1117         c->zoomed = TRUE;
1118         if(arg->i < 0) {
1119                 /* zoom out */
1120                 webkit_web_view_zoom_out(c->view);
1121         } else if(arg->i > 0) {
1122                 /* zoom in */
1123                 webkit_web_view_zoom_in(c->view);
1124         } else {
1125                 /* reset */
1126                 c->zoomed = FALSE;
1127                 webkit_web_view_set_zoom_level(c->view, 1.0);
1128         }
1129 }
1130
1131 int
1132 main(int argc, char *argv[]) {
1133         Arg arg;
1134
1135         memset(&arg, 0, sizeof(arg));
1136
1137         /* command line args */
1138         ARGBEGIN {
1139         case 'c':
1140                 cookiefile = EARGF(usage());
1141                 break;
1142         case 'e':
1143                 embed = strtol(EARGF(usage()), NULL, 0);
1144                 break;
1145         case 'i':
1146                 loadimages = 0;
1147                 break;
1148         case 'n':
1149                 enableinspector = 0;
1150                 break;
1151         case 'p':
1152                 enableplugins = 0;
1153                 break;
1154         case 'r':
1155                 scriptfile = EARGF(usage());
1156                 break;
1157         case 's':
1158                 enablescripts = 0;
1159                 break;
1160         case 't':
1161                 stylefile = EARGF(usage());
1162                 break;
1163         case 'u':
1164                 useragent = EARGF(usage());
1165                 break;
1166         case 'v':
1167                 die("surf-"VERSION", ©2009-2012 surf engineers, "
1168                                 "see LICENSE for details\n");
1169         case 'x':
1170                 showxid = TRUE;
1171                 break;
1172         default:
1173                 usage();
1174         } ARGEND;
1175         if(argc > 0)
1176                 arg.v = argv[0];
1177
1178         setup();
1179         newclient();
1180         if(arg.v)
1181                 loaduri(clients, &arg);
1182
1183         gtk_main();
1184         cleanup();
1185
1186         return EXIT_SUCCESS;
1187 }
1188