surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <X11/X.h>
   6 #include <X11/Xatom.h>
   7 #include <gtk/gtk.h>
   8 #include <gdk/gdkx.h>
   9 #include <gdk/gdk.h>
  10 #include <gdk/gdkkeysyms.h>
  11 #include <string.h>
  12 #include <unistd.h>
  13 #include <stdlib.h>
  14 #include <stdio.h>
  15 #include <webkit/webkit.h>
  16 #include <glib/gstdio.h>
  17 #include <JavaScriptCore/JavaScript.h>
  18
  19 #define LENGTH(x)               (sizeof x / sizeof x[0])
  20 #define CLEANMASK(mask)         (mask & ~(GDK_MOD2_MASK))
  21
  22 typedef union Arg Arg;
  23 union Arg {
  24         const gboolean b;
  25         const gint i;
  26         const void *v;
  27 };
  28
  29 typedef struct Client {
  30         GtkWidget *win, *scroll, *vbox, *urlbar, *searchbar, *indicator;
  31         WebKitWebView *view;
  32         WebKitDownload *download;
  33         gchar *title;
  34         gint progress;
  35         struct Client *next;
  36 } Client;
  37
  38 typedef struct Cookie {
  39         char *name;
  40         char *value;
  41         char *domain;
  42         char *path;
  43         struct Cookie *next;
  44 } Cookie;
  45
  46 typedef enum {
  47         Browser = 0x0001,
  48         SearchBar = 0x0010,
  49         UrlBar = 0x0100,
  50         Any = ~0,
  51 } KeyFocus;
  52
  53 typedef struct {
  54         guint mod;
  55         guint keyval;
  56         void (*func)(Client *c, const Arg *arg);
  57         const Arg arg;
  58         KeyFocus focus;
  59 } Key;
  60
  61 static Display *dpy;
  62 static Atom urlprop;
  63 static SoupCookieJar *cookiejar;
  64 static SoupSession *session;
  65 static Client *clients = NULL;
  66 /*static Cookie *cookies = NULL;*/
  67 static GdkNativeWindow embed = 0;
  68 static gboolean showxid = FALSE;
  69 static gboolean ignore_once = FALSE;
  70 static gchar *workdir;
  71
  72 static void cleanup(void);
  73 static void clipboard(Client *c, const Arg *arg);
  74 static gchar *copystr(gchar **str, const gchar *src);
  75 static void destroyclient(Client *c);
  76 static void destroywin(GtkWidget* w, Client *c);
  77 static void die(char *str);
  78 static void download(WebKitDownload *o, GParamSpec *pspec, Client *c);
  79 static void drawindicator(Client *c);
  80 static gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c);
  81 static gboolean initdownload(WebKitWebView *view, WebKitDownload *o, Client *c);
  82 static gchar *geturi(Client *c);
  83 static void hidesearch(Client *c, const Arg *arg);
  84 static void hideurl(Client *c, const Arg *arg);
  85 static gboolean keypress(GtkWidget* w, GdkEventKey *ev, Client *c);
  86 static void linkhover(WebKitWebView* page, const gchar* t, const gchar* l, Client *c);
  87 static void loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c);
  88 static void loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c);
  89 static void loadfile(Client *c, const gchar *f);
  90 static void loaduri(Client *c, const Arg *arg);
  91 static void navigate(Client *c, const Arg *arg);
  92 static Client *newclient(void);
  93 static WebKitWebView *newwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c);
  94 static void pasteurl(GtkClipboard *clipboard, const gchar *text, gpointer d);
  95 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d);
  96 static void print(Client *c, const Arg *arg);
  97 static void proccookies(SoupMessage *m, Client *c);
  98 static void progresschange(WebKitWebView *view, gint p, Client *c);
  99 static void request(SoupSession *s, SoupMessage *m, Client *c);
 100 static void reload(Client *c, const Arg *arg);
 101 static void rereadcookies(void);
 102 static void setcookie(char *name, char *val, char *dom, char *path, long exp);
 103 static void setup(void);
 104 static void titlechange(WebKitWebView* view, WebKitWebFrame* frame, const gchar* title, Client *c);
 105 static void scroll(Client *c, const Arg *arg);
 106 static void searchtext(Client *c, const Arg *arg);
 107 static void source(Client *c, const Arg *arg);
 108 static void showsearch(Client *c, const Arg *arg);
 109 static void showurl(Client *c, const Arg *arg);
 110 static void stop(Client *c, const Arg *arg);
 111 static void titlechange(WebKitWebView* view, WebKitWebFrame* frame, const gchar* title, Client *c);
 112 static gboolean unfocusbar(GtkWidget *w, GdkEventFocus *e, Client *c);
 113 static void usage(void);
 114 static void update(Client *c);
 115 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c);
 116 static void zoom(Client *c, const Arg *arg);
 117
 118 #include "config.h"
 119
 120 void
 121 cleanup(void) {
 122         while(clients)
 123                 destroyclient(clients);
 124         g_free(workdir);
 125 }
 126
 127 void
 128 clipboard(Client *c, const Arg *arg) {
 129         gboolean paste = *(gboolean *)arg;
 130
 131         if(paste)
 132                 gtk_clipboard_request_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), pasteurl, c);
 133         else
 134                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), webkit_web_view_get_uri(c->view), -1);
 135 }
 136
 137 gchar *
 138 copystr(gchar **str, const gchar *src) {
 139         gchar *tmp;
 140         tmp = g_strdup(src);
 141
 142         if(str && *str) {
 143                 g_free(*str);
 144                 *str = tmp;
 145         }
 146         return tmp;
 147 }
 148
 149 void
 150 destroyclient(Client *c) {
 151         Client *p;
 152
 153         gtk_widget_destroy(GTK_WIDGET(webkit_web_view_new()));
 154         gtk_widget_destroy(c->scroll);
 155         gtk_widget_destroy(c->urlbar);
 156         gtk_widget_destroy(c->searchbar);
 157         gtk_widget_destroy(c->vbox);
 158         gtk_widget_destroy(c->win);
 159         for(p = clients; p && p->next != c; p = p->next);
 160         if(p)
 161                 p->next = c->next;
 162         else
 163                 clients = c->next;
 164         free(c);
 165         if(clients == NULL)
 166                 gtk_main_quit();
 167 }
 168
 169 void
 170 destroywin(GtkWidget* w, Client *c) {
 171         destroyclient(c);
 172 }
 173
 174 void
 175 die(char *str) {
 176         fputs(str, stderr);
 177         exit(EXIT_FAILURE);
 178 }
 179
 180 void
 181 drawindicator(Client *c) {
 182         gint width;
 183         gchar *uri;
 184         GtkWidget *w;
 185         GdkGC *gc;
 186         GdkColor fg;
 187
 188         uri = geturi(c);
 189         w = c->indicator;
 190         width = c->progress * w->allocation.width / 100;
 191         gc = gdk_gc_new(w->window);
 192         gdk_color_parse(strstr(uri, "https://") == uri ?
 193                         progress_trust : progress, &fg);
 194         gdk_gc_set_rgb_fg_color(gc, &fg);
 195         gdk_draw_rectangle(w->window,
 196                         w->style->bg_gc[GTK_WIDGET_STATE(w)],
 197                         TRUE, 0, 0, w->allocation.width, w->allocation.height);
 198         gdk_draw_rectangle(w->window, gc, TRUE, 0, 0, width,
 199                         w->allocation.height);
 200         g_object_unref(gc);
 201 }
 202
 203 gboolean
 204 exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c) {
 205         drawindicator(c);
 206         return TRUE;
 207 }
 208
 209 void
 210 download(WebKitDownload *o, GParamSpec *pspec, Client *c) {
 211         WebKitDownloadStatus status;
 212
 213         status = webkit_download_get_status(c->download);
 214         if(status == WEBKIT_DOWNLOAD_STATUS_STARTED || status == WEBKIT_DOWNLOAD_STATUS_CREATED) {
 215                 c->progress = (gint)(webkit_download_get_progress(c->download)*100);
 216         }
 217         update(c);
 218 }
 219
 220 gboolean
 221 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 222         const gchar *filename;
 223         gchar *uri, *path, *html;
 224
 225         stop(c, NULL);
 226         c->download = o;
 227         filename = webkit_download_get_suggested_filename(o);
 228         path = g_build_filename(workdir, "dl",
 229                         filename, NULL);
 230         uri = g_strconcat("file://", path, NULL);
 231         webkit_download_set_destination_uri(c->download, uri);
 232         c->progress = 0;
 233         g_free(uri);
 234         html = g_strdup_printf("Download <b>%s</b>...", filename);
 235         webkit_web_view_load_html_string(c->view, html,
 236                         webkit_download_get_uri(c->download));
 237         g_signal_connect(c->download, "notify::progress", G_CALLBACK(download), c);
 238         g_signal_connect(c->download, "notify::status", G_CALLBACK(download), c);
 239         webkit_download_start(c->download);
 240
 241         c->title = copystr(&c->title, filename);
 242         update(c);
 243         g_free(html);
 244         return TRUE;
 245 }
 246
 247 gchar *
 248 geturi(Client *c) {
 249         gchar *uri;
 250
 251         if(!(uri = (gchar *)webkit_web_view_get_uri(c->view)))
 252                 uri = copystr(NULL, "about:blank");
 253         return uri;
 254 }
 255
 256 void
 257 hidesearch(Client *c, const Arg *arg) {
 258         gtk_widget_hide(c->searchbar);
 259         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 260 }
 261
 262 void
 263 hideurl(Client *c, const Arg *arg) {
 264         gtk_widget_hide(c->urlbar);
 265         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 266 }
 267
 268 gboolean
 269 keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {
 270         guint i, focus;
 271         gboolean processed = FALSE;
 272
 273         if(ev->type != GDK_KEY_PRESS)
 274                 return FALSE;
 275         if(GTK_WIDGET_HAS_FOCUS(c->searchbar))
 276                 focus = SearchBar;
 277         else if(GTK_WIDGET_HAS_FOCUS(c->urlbar))
 278                 focus = UrlBar;
 279         else
 280                 focus = Browser;
 281         for(i = 0; i < LENGTH(keys); i++) {
 282                 if(focus & keys[i].focus
 283                                 && gdk_keyval_to_lower(ev->keyval) == keys[i].keyval
 284                                 && CLEANMASK(ev->state) == keys[i].mod
 285                                 && keys[i].func) {
 286                         keys[i].func(c, &(keys[i].arg));
 287                         processed = TRUE;
 288                 }
 289         }
 290         return processed;
 291 }
 292
 293 void
 294 linkhover(WebKitWebView* page, const gchar* t, const gchar* l, Client *c) {
 295         if(l)
 296                 gtk_window_set_title(GTK_WINDOW(c->win), l);
 297         else
 298                 update(c);
 299 }
 300
 301 void
 302 loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 303         gchar *uri;
 304
 305         ignore_once = TRUE;
 306         uri = geturi(c);
 307         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window), urlprop,
 308                         XA_STRING, 8, PropModeReplace, (unsigned char *)uri,
 309                         strlen(uri) + 1);
 310 }
 311
 312 void
 313 loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 314         c->progress = 0;
 315         update(c);
 316 }
 317
 318 void
 319 loadfile(Client *c, const gchar *f) {
 320         GIOChannel *chan = NULL;
 321         GError *e = NULL;
 322         GString *code;
 323         gchar *line, *uri;
 324         Arg arg;
 325
 326         if(strcmp(f, "-") == 0) {
 327                 chan = g_io_channel_unix_new(STDIN_FILENO);
 328                 if (chan) {
 329                         code = g_string_new("");
 330                         while(g_io_channel_read_line(chan, &line, NULL, NULL,
 331                                                 &e) == G_IO_STATUS_NORMAL) {
 332                                 g_string_append(code, line);
 333                                 g_free(line);
 334                         }
 335                         webkit_web_view_load_html_string(c->view, code->str,
 336                                         "file://.");
 337                         g_io_channel_shutdown(chan, FALSE, NULL);
 338                         g_string_free(code, TRUE);
 339                 }
 340                 arg.v = uri = g_strdup("stdin");
 341         }
 342         else {
 343                 arg.v = uri = g_strdup_printf("file://%s", f);
 344                 loaduri(c, &arg);
 345         }
 346         c->title = copystr(&c->title, uri);
 347         update(c);
 348         g_free(uri);
 349 }
 350
 351 void
 352 loaduri(Client *c, const Arg *arg) {
 353         gchar *u;
 354         const gchar *uri = (gchar *)arg->v;
 355         if(!uri)
 356                 uri = gtk_entry_get_text(GTK_ENTRY(c->urlbar));
 357         u = g_strrstr(uri, "://") ? g_strdup(uri)
 358                 : g_strdup_printf("http://%s", uri);
 359         webkit_web_view_load_uri(c->view, u);
 360         c->progress = 0;
 361         c->title = copystr(&c->title, u);
 362         g_free(u);
 363         update(c);
 364 }
 365
 366 void
 367 navigate(Client *c, const Arg *arg) {
 368         gint steps = *(gint *)arg;
 369         webkit_web_view_go_back_or_forward(c->view, steps);
 370 }
 371
 372 Client *
 373 newclient(void) {
 374         Client *c;
 375         WebKitWebSettings *settings;
 376         gchar *filename;
 377
 378         if(!(c = calloc(1, sizeof(Client))))
 379                 die("Cannot malloc!\n");
 380         /* Window */
 381         if(embed) {
 382                 c->win = gtk_plug_new(embed);
 383         }
 384         else {
 385                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 386                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "surf");
 387         }
 388         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 389         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(destroywin), c);
 390         g_signal_connect(G_OBJECT(c->win), "key-press-event", G_CALLBACK(keypress), c);
 391
 392         /* VBox */
 393         c->vbox = gtk_vbox_new(FALSE, 0);
 394
 395         /* scrolled window */
 396         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 397         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 398                         GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 399
 400         /* webview */
 401         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 402         g_signal_connect(G_OBJECT(c->view), "title-changed", G_CALLBACK(titlechange), c);
 403         g_signal_connect(G_OBJECT(c->view), "load-progress-changed", G_CALLBACK(progresschange), c);
 404         g_signal_connect(G_OBJECT(c->view), "load-committed", G_CALLBACK(loadcommit), c);
 405         g_signal_connect(G_OBJECT(c->view), "load-started", G_CALLBACK(loadstart), c);
 406         g_signal_connect(G_OBJECT(c->view), "hovering-over-link", G_CALLBACK(linkhover), c);
 407         g_signal_connect(G_OBJECT(c->view), "create-web-view", G_CALLBACK(newwindow), c);
 408         g_signal_connect(G_OBJECT(c->view), "download-requested", G_CALLBACK(initdownload), c);
 409         g_signal_connect(G_OBJECT(c->view), "window-object-cleared", G_CALLBACK(windowobjectcleared), c);
 410         g_signal_connect_after(session, "request-started", G_CALLBACK(request), c);
 411
 412         /* urlbar */
 413         c->urlbar = gtk_entry_new();
 414         gtk_entry_set_has_frame(GTK_ENTRY(c->urlbar), FALSE);
 415         g_signal_connect(G_OBJECT(c->urlbar), "focus-out-event", G_CALLBACK(unfocusbar), c);
 416
 417         /* searchbar */
 418         c->searchbar = gtk_entry_new();
 419         gtk_entry_set_has_frame(GTK_ENTRY(c->searchbar), FALSE);
 420         g_signal_connect(G_OBJECT(c->searchbar), "focus-out-event", G_CALLBACK(unfocusbar), c);
 421
 422         /* indicator */
 423         c->indicator = gtk_drawing_area_new();
 424         gtk_widget_set_size_request(c->indicator, 0, 2);
 425         g_signal_connect (G_OBJECT (c->indicator), "expose_event",
 426                         G_CALLBACK (exposeindicator), c);
 427
 428         /* Arranging */
 429         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 430         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 431         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 432         gtk_container_add(GTK_CONTAINER(c->vbox), c->searchbar);
 433         gtk_container_add(GTK_CONTAINER(c->vbox), c->urlbar);
 434         gtk_container_add(GTK_CONTAINER(c->vbox), c->indicator);
 435
 436         /* Setup */
 437         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->urlbar, FALSE, FALSE, 0, GTK_PACK_START);
 438         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->searchbar, FALSE, FALSE, 0, GTK_PACK_START);
 439         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->indicator, FALSE, FALSE, 0, GTK_PACK_START);
 440         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0, GTK_PACK_START);
 441         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 442         gtk_widget_hide_all(c->searchbar);
 443         gtk_widget_hide_all(c->urlbar);
 444         gtk_widget_show(c->vbox);
 445         gtk_widget_show(c->indicator);
 446         gtk_widget_show(c->scroll);
 447         gtk_widget_show(GTK_WIDGET(c->view));
 448         gtk_widget_show(c->win);
 449         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 450         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 451         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 452         settings = webkit_web_view_get_settings(c->view);
 453         g_object_set (G_OBJECT(settings), "user-agent", "surf", NULL);
 454         filename = g_build_filename(workdir, "style.css", NULL);
 455         filename = g_strdup_printf("file://%s", filename);
 456         g_object_set (G_OBJECT(settings), "user-stylesheet-uri", filename, NULL);
 457
 458         c->download = NULL;
 459         c->title = NULL;
 460         c->next = clients;
 461         clients = c;
 462         if(showxid) {
 463                 gdk_display_sync(gtk_widget_get_display(c->win));
 464                 printf("%u\n", (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 465                 fflush(NULL);
 466         }
 467         return c;
 468 }
 469
 470 WebKitWebView *
 471 newwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 472         Client *n = newclient();
 473         return n->view;
 474 }
 475
 476
 477 void
 478 pasteurl(GtkClipboard *clipboard, const gchar *text, gpointer d) {
 479         Arg arg = {.v = text };
 480         if(text != NULL)
 481                 loaduri((Client *) d, &arg);
 482 }
 483
 484 GdkFilterReturn
 485 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
 486         Client *c = (Client *)d;
 487         XPropertyEvent *ev;
 488         Atom adummy;
 489         gint idummy;
 490         unsigned long ldummy;
 491         unsigned char *buf = NULL;
 492         Arg arg;
 493
 494         if(((XEvent *)e)->type == PropertyNotify) {
 495                 ev = &((XEvent *)e)->xproperty;
 496                 if(ev->atom == urlprop && ev->state == PropertyNewValue) {
 497                         if(ignore_once)
 498                                ignore_once = FALSE;
 499                         else {
 500                                 XGetWindowProperty(dpy, ev->window, urlprop, 0L, BUFSIZ, False, XA_STRING,
 501                                         &adummy, &idummy, &ldummy, &ldummy, &buf);
 502                                 arg.v = buf;
 503                                 loaduri(c, &arg);
 504                                 XFree(buf);
 505                         }
 506                         return GDK_FILTER_REMOVE;
 507                 }
 508         }
 509         return GDK_FILTER_CONTINUE;
 510 }
 511
 512 void
 513 print(Client *c, const Arg *arg) {
 514         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
 515 }
 516
 517 void
 518 proccookies(SoupMessage *m, Client *c) {
 519         GSList *l;
 520         SoupCookie *co;
 521         long t;
 522
 523         rereadcookies();
 524         for (l = soup_cookies_from_response(m); l; l = l->next){
 525                 co = (SoupCookie *)l->data;
 526                 t = co->expires ?  soup_date_to_time_t(co->expires) : 0;
 527                 setcookie(co->name, co->value, co->domain, co->value, t);
 528         }
 529         g_slist_free(l);
 530 }
 531
 532 void
 533 progresschange(WebKitWebView* view, gint p, Client *c) {
 534         c->progress = p;
 535         update(c);
 536 }
 537
 538 void
 539 request(SoupSession *s, SoupMessage *m, Client *c) {
 540         soup_message_add_header_handler(m, "got-headers", "Set-Cookie",
 541                         G_CALLBACK(proccookies), c);
 542 }
 543
 544 void
 545 reload(Client *c, const Arg *arg) {
 546         gboolean nocache = *(gboolean *)arg;
 547         if(nocache)
 548                  webkit_web_view_reload_bypass_cache(c->view);
 549         else
 550                  webkit_web_view_reload(c->view);
 551 }
 552
 553 void
 554 rereadcookies(void) {
 555         const gchar *filename;
 556
 557         filename = g_build_filename(workdir, "cookies", NULL);
 558 }
 559
 560 void
 561 scroll(Client *c, const Arg *arg) {
 562         gdouble v;
 563         GtkAdjustment *a;
 564
 565         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(c->scroll));
 566         v = gtk_adjustment_get_value(a);
 567         v += gtk_adjustment_get_step_increment(a) * arg->i;
 568         v = MAX(v, 0.0);
 569         v = MIN(v, gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a));
 570         gtk_adjustment_set_value(a, v);
 571 }
 572
 573 void
 574 setcookie(char *name, char *val, char *dom, char *path, long exp) {
 575
 576 }
 577
 578 void
 579 setup(void) {
 580         const gchar *home, *name;
 581         SoupSession *s;
 582         FILE *tmp;
 583
 584         gtk_init(NULL, NULL);
 585         if (!g_thread_supported())
 586                 g_thread_init(NULL);
 587
 588         dpy = GDK_DISPLAY();
 589         session = webkit_get_default_session();
 590         urlprop = XInternAtom(dpy, "_SURF_URL", False);
 591
 592         /* create dirs and files */
 593         home = g_get_home_dir();
 594         workdir = g_strdup(g_build_filename(home, ".surf", NULL));
 595         g_mkdir_with_parents(workdir, 0755);
 596         name = g_build_filename(workdir, "dl", NULL);
 597         g_mkdir(name, 0755);
 598         name = g_build_filename(workdir, "style.css", NULL);
 599         if((tmp = g_fopen(name, "a")));
 600                 fclose(tmp);
 601         name = g_build_filename(workdir, "script.js", NULL);
 602         if((tmp = g_fopen(name, "a")));
 603                 fclose(tmp);
 604
 605         /* cookie persistance */
 606         s = webkit_get_default_session();
 607         name = g_build_filename(workdir, "cookies.txt", NULL);
 608         cookiejar = soup_cookie_jar_text_new(name, FALSE);
 609         soup_session_add_feature(s, SOUP_SESSION_FEATURE(cookiejar));
 610 }
 611
 612 void
 613 showsearch(Client *c, const Arg *arg) {
 614         hideurl(c, NULL);
 615         gtk_widget_show(c->searchbar);
 616         gtk_widget_grab_focus(c->searchbar);
 617 }
 618
 619 void
 620 source(Client *c, const Arg *arg) {
 621         Arg a = { .b = FALSE };
 622         /*gboolean s;
 623
 624         s = webkit_web_view_get_view_source_mode(c->view);
 625         webkit_web_view_set_view_source_mode(c->view, c->source);*/
 626         reload(c, &a);
 627 }
 628
 629 void
 630 searchtext(Client *c, const Arg *arg) {
 631         gboolean forward = *(gboolean *)arg;
 632         webkit_web_view_search_text(c->view,
 633                         gtk_entry_get_text(GTK_ENTRY(c->searchbar)),
 634                         FALSE,
 635                         forward,
 636                         TRUE);
 637 }
 638
 639 void
 640 showurl(Client *c, const Arg *arg) {
 641         gchar *uri;
 642
 643         hidesearch(c, NULL);
 644         uri = geturi(c);
 645         gtk_entry_set_text(GTK_ENTRY(c->urlbar), uri);
 646         gtk_widget_show(c->urlbar);
 647         gtk_widget_grab_focus(c->urlbar);
 648 }
 649
 650 void
 651 stop(Client *c, const Arg *arg) {
 652         if(c->download)
 653                 webkit_download_cancel(c->download);
 654         else
 655                 webkit_web_view_stop_loading(c->view);
 656         c->download = NULL;
 657 }
 658
 659 void
 660 titlechange(WebKitWebView *v, WebKitWebFrame *f, const gchar *t, Client *c) {
 661         c->title = copystr(&c->title, t);
 662         update(c);
 663 }
 664
 665 gboolean
 666 unfocusbar(GtkWidget *w, GdkEventFocus *e, Client *c) {
 667         hidesearch(c, NULL);
 668         hideurl(c, NULL);
 669         return FALSE;
 670 }
 671
 672 void
 673 usage(void) {
 674         fputs("surf - simple browser\n", stderr);
 675         die("usage: surf [-e Window] [-x] [uri]\n");
 676 }
 677
 678 void
 679 update(Client *c) {
 680         gchar *t;
 681
 682         if(c->progress == 100)
 683                 t = g_strdup(c->title);
 684         else
 685                 t = g_strdup_printf("%s [%i%%]", c->title, c->progress);
 686         drawindicator(c);
 687         gtk_window_set_title(GTK_WINDOW(c->win), t);
 688         g_free(t);
 689
 690 }
 691
 692 void
 693 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c) {
 694         JSStringRef jsscript;
 695         gchar *script, *filename;
 696         JSValueRef exception = NULL;
 697         GError *error;
 698
 699         filename = g_build_filename(workdir, "script.js", NULL);
 700         if(g_file_get_contents(filename, &script, NULL, &error)) {
 701                 script = g_strdup_printf("window.addEventListener"
 702                                 "('DOMContentLoaded', function () { %s }, true);",
 703                                 script);
 704                 jsscript = JSStringCreateWithUTF8CString (script);
 705                 JSEvaluateScript (js, jsscript, JSContextGetGlobalObject(js), NULL, 0, &exception);
 706         }
 707 }
 708
 709 void
 710 zoom(Client *c, const Arg *arg) {
 711         if(arg->i < 0)          /* zoom out */
 712                 webkit_web_view_zoom_out(c->view);
 713         else if(arg->i > 0)     /* zoom in */
 714                 webkit_web_view_zoom_in(c->view);
 715         else                    /* reset */
 716                 webkit_web_view_set_zoom_level(c->view, 1.0);
 717 }
 718
 719 int main(int argc, char *argv[]) {
 720         int i;
 721         Arg arg;
 722         Client *c;
 723
 724         /* command line args */
 725         for(i = 1, arg.v = NULL; i < argc; i++) {
 726                 if(!strcmp(argv[i], "-x"))
 727                         showxid = TRUE;
 728                 else if(!strcmp(argv[i], "-e")) {
 729                         if(++i < argc)
 730                                 embed = atoi(argv[i]);
 731                         else
 732                                 usage();
 733                 }
 734                 else if(!strcmp(argv[i], "-v"))
 735                         die("surf-"VERSION", © 2009 surf engineers, see LICENSE for details\n");
 736                 else if(argv[i][0] == '-')
 737                         usage();
 738                 else
 739                         arg.v = argv[i];
 740         }
 741         setup();
 742         c = newclient();
 743         if(arg.v) {
 744                 if(strchr("./", ((char *)arg.v)[0]) || strcmp("-", (char *)arg.v) == 0)
 745                         loadfile(c, (char *)arg.v);
 746                 else
 747                         loaduri(c, &arg);
 748         }
 749         gtk_main();
 750         cleanup();
 751         return EXIT_SUCCESS;
 752 }