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 <stdlib.h>
  17 #include <stdio.h>
  18 #include <webkit/webkit.h>
  19 #include <glib/gstdio.h>
  20 #include <JavaScriptCore/JavaScript.h>
  21
  22 #define LENGTH(x)               (sizeof x / sizeof x[0])
  23 #define CLEANMASK(mask)         (mask & ~(GDK_MOD2_MASK))
  24
  25 typedef union Arg Arg;
  26 union Arg {
  27         const gboolean b;
  28         const gint i;
  29         const void *v;
  30 };
  31
  32 typedef struct Client {
  33         GtkWidget *win, *scroll, *vbox, *uribar, *searchbar, *indicator;
  34         GtkWidget **items;
  35         WebKitWebView *view;
  36         WebKitDownload *download;
  37         char *title, *linkhover;
  38         gint progress;
  39         struct Client *next;
  40 } Client;
  41
  42 typedef struct {
  43         char *label;
  44         void (*func)(Client *c, const Arg *arg);
  45         const Arg arg;
  46 } Item;
  47
  48 typedef struct Cookie {
  49         char *name;
  50         char *value;
  51         char *domain;
  52         char *path;
  53         struct Cookie *next;
  54 } Cookie;
  55
  56 typedef enum {
  57         Browser = 0x0001,
  58         SearchBar = 0x0010,
  59         UriBar = 0x0100,
  60         Any = ~0,
  61 } KeyFocus;
  62
  63 typedef struct {
  64         guint mod;
  65         guint keyval;
  66         void (*func)(Client *c, const Arg *arg);
  67         const Arg arg;
  68         KeyFocus focus;
  69 } Key;
  70
  71 static Display *dpy;
  72 static Atom uriprop;
  73 static SoupCookieJar *cookiejar;
  74 static SoupSession *session;
  75 static Client *clients = NULL;
  76 /*static Cookie *cookies = NULL;*/
  77 static GdkNativeWindow embed = 0;
  78 static gboolean showxid = FALSE;
  79 static gboolean ignore_once = FALSE;
  80 static char winid[64];
  81 static char *progname;
  82
  83 static const char *autouri(Client *c);
  84 static char *buildpath(const char *path);
  85 static void cleanup(void);
  86 static void clipboard(Client *c, const Arg *arg);
  87 static void context(WebKitWebView *v, GtkMenu *m, Client *c);
  88 static char *copystr(char **str, const char *src);
  89 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c);
  90 static void destroyclient(Client *c);
  91 static void destroywin(GtkWidget* w, Client *c);
  92 static void die(char *str);
  93 static void download(WebKitDownload *o, GParamSpec *pspec, Client *c);
  94 static void drawindicator(Client *c);
  95 static gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c);
  96 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
  97 static char *geturi(Client *c);
  98 static void hidesearch(Client *c, const Arg *arg);
  99 static void hideuri(Client *c, const Arg *arg);
 100 static void itemclick(GtkMenuItem *mi, Client *c);
 101 static gboolean keypress(GtkWidget *w, GdkEventKey *ev, Client *c);
 102 static void linkhover(WebKitWebView *v, const char* t, const char* l, Client *c);
 103 static void loadcommit(WebKitWebView *v, WebKitWebFrame *f, Client *c);
 104 static void loadstart(WebKitWebView *v, WebKitWebFrame *f, Client *c);
 105 static void loaduri(Client *c, const Arg *arg);
 106 static void navigate(Client *c, const Arg *arg);
 107 static Client *newclient(void);
 108 static void newwindow(Client *c, const Arg *arg);
 109 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c);
 110 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 111 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d);
 112 static void print(Client *c, const Arg *arg);
 113 static void proccookies(SoupMessage *m, Client *c);
 114 static void progresschange(WebKitWebView *v, gint p, Client *c);
 115 static void request(SoupSession *s, SoupMessage *m, Client *c);
 116 static void reload(Client *c, const Arg *arg);
 117 static void rereadcookies(void);
 118 static void sigchld(int unused);
 119 static void setcookie(char *name, char *val, char *dom, char *path, long exp);
 120 static void setup(void);
 121 static void spawn(Client *c, const Arg *arg);
 122 static void titlechange(WebKitWebView *v, WebKitWebFrame* frame, const char* title, Client *c);
 123 static void scroll(Client *c, const Arg *arg);
 124 static void searchtext(Client *c, const Arg *arg);
 125 static void source(Client *c, const Arg *arg);
 126 static void showsearch(Client *c, const Arg *arg);
 127 static void showuri(Client *c, const Arg *arg);
 128 static void stop(Client *c, const Arg *arg);
 129 static void titlechange(WebKitWebView *v, WebKitWebFrame* frame, const char* title, Client *c);
 130 static gboolean focusview(GtkWidget *w, GdkEventFocus *e, Client *c);
 131 static void usage(void);
 132 static void update(Client *c);
 133 static void updatewinid(Client *c);
 134 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c);
 135 static void zoom(Client *c, const Arg *arg);
 136
 137 /* configuration, allows nested code to access above variables */
 138 #include "config.h"
 139
 140 const char *
 141 autouri(Client *c) {
 142         if(GTK_WIDGET_HAS_FOCUS(c->uribar))
 143                 return gtk_entry_get_text(GTK_ENTRY(c->uribar));
 144         else if(c->linkhover)
 145                 return c->linkhover;
 146         return NULL;
 147 }
 148
 149 char *
 150 buildpath(const char *path) {
 151         char *apath, *p;
 152         FILE *f;
 153
 154         /* creating directory */
 155         if(path[0] == '/')
 156                 apath = g_strdup(path);
 157         else
 158                 apath = g_strconcat(g_get_home_dir(), "/", path, NULL);
 159         if((p = strrchr(apath, '/'))) {
 160                 *p = '\0';
 161                 g_mkdir_with_parents(apath, 0755);
 162                 *p = '/';
 163         }
 164         /* creating file (gives error when apath ends with "/") */
 165         if((f = g_fopen(apath, "a")))
 166                 fclose(f);
 167         return apath;
 168 }
 169
 170 void
 171 cleanup(void) {
 172         while(clients)
 173                 destroyclient(clients);
 174         g_free(cookiefile);
 175         g_free(dldir);
 176         g_free(scriptfile);
 177         g_free(stylefile);
 178 }
 179
 180 void
 181 clipboard(Client *c, const Arg *arg) {
 182         gboolean paste = *(gboolean *)arg;
 183
 184         if(paste)
 185                 gtk_clipboard_request_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), pasteuri, c);
 186         else
 187                 gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), webkit_web_view_get_uri(c->view), -1);
 188 }
 189
 190 void
 191 context(WebKitWebView *v, GtkMenu *m, Client *c) {
 192         int i;
 193         GtkContainer *parent;
 194
 195         gtk_widget_hide_all(GTK_WIDGET(m));
 196         gtk_widget_show(GTK_WIDGET(m));
 197         for(i = 0; i < LENGTH(items); i++) {
 198                 parent = GTK_CONTAINER(gtk_widget_get_parent(c->items[i]));
 199                 if(parent)
 200                         gtk_container_remove(parent, c->items[i]);
 201                 gtk_menu_shell_append(GTK_MENU_SHELL(m), c->items[i]);
 202                 g_signal_connect(G_OBJECT(c->items[i]), "activate",
 203                                 G_CALLBACK(itemclick), c);
 204                 gtk_widget_show(c->items[i]);
 205         }
 206 }
 207
 208 char *
 209 copystr(char **str, const char *src) {
 210         char *tmp;
 211         tmp = g_strdup(src);
 212
 213         if(str && *str) {
 214                 g_free(*str);
 215                 *str = tmp;
 216         }
 217         return tmp;
 218 }
 219
 220 void
 221 destroyclient(Client *c) {
 222         int i;
 223         Client *p;
 224
 225         gtk_widget_destroy(GTK_WIDGET(c->view));
 226         gtk_widget_destroy(c->scroll);
 227         gtk_widget_destroy(c->uribar);
 228         gtk_widget_destroy(c->searchbar);
 229         gtk_widget_destroy(c->vbox);
 230         gtk_widget_destroy(c->win);
 231         for(i = 0; i < LENGTH(items); i++)
 232                 gtk_widget_destroy(c->items[i]);
 233         free(c->items);
 234
 235         for(p = clients; p && p->next != c; p = p->next);
 236         if(p)
 237                 p->next = c->next;
 238         else
 239                 clients = c->next;
 240         free(c);
 241         if(clients == NULL)
 242                 gtk_main_quit();
 243 }
 244
 245 gboolean
 246 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c) {
 247         Arg arg;
 248         if(webkit_web_navigation_action_get_reason(n) == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 249                 webkit_web_policy_decision_ignore(p);
 250                 arg.v = (void *)webkit_network_request_get_uri(r);
 251                 newwindow(NULL, &arg);
 252                 return TRUE;
 253         }
 254         return FALSE;
 255 }
 256
 257 void
 258 destroywin(GtkWidget* w, Client *c) {
 259         destroyclient(c);
 260 }
 261
 262 void
 263 die(char *str) {
 264         fputs(str, stderr);
 265         exit(EXIT_FAILURE);
 266 }
 267
 268 void
 269 drawindicator(Client *c) {
 270         gint width;
 271         char *uri;
 272         GtkWidget *w;
 273         GdkGC *gc;
 274         GdkColor fg;
 275
 276         uri = geturi(c);
 277         w = c->indicator;
 278         width = c->progress * w->allocation.width / 100;
 279         gc = gdk_gc_new(w->window);
 280         gdk_color_parse(strstr(uri, "https://") == uri ?
 281                         progress_trust : progress, &fg);
 282         gdk_gc_set_rgb_fg_color(gc, &fg);
 283         gdk_draw_rectangle(w->window,
 284                         w->style->bg_gc[GTK_WIDGET_STATE(w)],
 285                         TRUE, 0, 0, w->allocation.width, w->allocation.height);
 286         gdk_draw_rectangle(w->window, gc, TRUE, 0, 0, width,
 287                         w->allocation.height);
 288         g_object_unref(gc);
 289 }
 290
 291 gboolean
 292 exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c) {
 293         drawindicator(c);
 294         return TRUE;
 295 }
 296
 297 void
 298 download(WebKitDownload *o, GParamSpec *pspec, Client *c) {
 299         WebKitDownloadStatus status;
 300
 301         status = webkit_download_get_status(c->download);
 302         if(status == WEBKIT_DOWNLOAD_STATUS_STARTED || status == WEBKIT_DOWNLOAD_STATUS_CREATED) {
 303                 c->progress = (gint)(webkit_download_get_progress(c->download)*100);
 304         }
 305         update(c);
 306 }
 307
 308 gboolean
 309 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 310         const char *filename;
 311         char *uri, *html;
 312
 313         stop(c, NULL);
 314         c->download = o;
 315         filename = webkit_download_get_suggested_filename(o);
 316         uri = g_strconcat("file://", dldir, "/", filename, NULL);
 317         webkit_download_set_destination_uri(c->download, uri);
 318         c->progress = 0;
 319         g_free(uri);
 320         html = g_strdup_printf("Download <b>%s</b>...", filename);
 321         webkit_web_view_load_html_string(c->view, html,
 322                         webkit_download_get_uri(c->download));
 323         g_signal_connect(c->download, "notify::progress", G_CALLBACK(download), c);
 324         g_signal_connect(c->download, "notify::status", G_CALLBACK(download), c);
 325         webkit_download_start(c->download);
 326
 327         c->title = copystr(&c->title, filename);
 328         update(c);
 329         g_free(html);
 330         return TRUE;
 331 }
 332
 333 char *
 334 geturi(Client *c) {
 335         char *uri;
 336
 337         if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
 338                 uri = copystr(NULL, "about:blank");
 339         return uri;
 340 }
 341
 342 void
 343 hidesearch(Client *c, const Arg *arg) {
 344         gtk_widget_hide(c->searchbar);
 345         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 346 }
 347
 348 void
 349 hideuri(Client *c, const Arg *arg) {
 350         gtk_widget_hide(c->uribar);
 351         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 352 }
 353
 354 void
 355 itemclick(GtkMenuItem *mi, Client *c) {
 356         int i;
 357         const char *label;
 358
 359         label = gtk_menu_item_get_label(mi);
 360         for(i = 0; i < LENGTH(items); i++)
 361                 if(!strcmp(items[i].label, label))
 362                         items[i].func(c, &(items[i].arg));
 363 }
 364
 365 gboolean
 366 keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {
 367         guint i, focus;
 368         gboolean processed = FALSE;
 369
 370         if(ev->type != GDK_KEY_PRESS)
 371                 return FALSE;
 372         if(GTK_WIDGET_HAS_FOCUS(c->searchbar))
 373                 focus = SearchBar;
 374         else if(GTK_WIDGET_HAS_FOCUS(c->uribar))
 375                 focus = UriBar;
 376         else
 377                 focus = Browser;
 378         updatewinid(c);
 379         for(i = 0; i < LENGTH(keys); i++) {
 380                 if(focus & keys[i].focus
 381                                 && gdk_keyval_to_lower(ev->keyval) == keys[i].keyval
 382                                 && CLEANMASK(ev->state) == keys[i].mod
 383                                 && keys[i].func) {
 384                         keys[i].func(c, &(keys[i].arg));
 385                         processed = TRUE;
 386                 }
 387         }
 388         return processed;
 389 }
 390
 391 void
 392 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c) {
 393         if(l)
 394                 c->linkhover = copystr(&c->linkhover, l);
 395         else if(c->linkhover) {
 396                 free(c->linkhover);
 397                 c->linkhover = NULL;
 398         }
 399         update(c);
 400 }
 401
 402 void
 403 loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 404         char *uri;
 405
 406         ignore_once = TRUE;
 407         uri = geturi(c);
 408         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window), uriprop,
 409                         XA_STRING, 8, PropModeReplace, (unsigned char *)uri,
 410                         strlen(uri) + 1);
 411 }
 412
 413 void
 414 loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c) {
 415         c->progress = 0;
 416         update(c);
 417 }
 418
 419 void
 420 loaduri(Client *c, const Arg *arg) {
 421         char *u;
 422         const char *uri = (char *)arg->v;
 423
 424         if(!uri)
 425                 uri = autouri(c);
 426         if(!uri)
 427                 return;
 428         u = g_strrstr(uri, "://") ? g_strdup(uri)
 429                 : g_strdup_printf("http://%s", uri);
 430         webkit_web_view_load_uri(c->view, u);
 431         c->progress = 0;
 432         c->title = copystr(&c->title, u);
 433         g_free(u);
 434         update(c);
 435 }
 436
 437 void
 438 navigate(Client *c, const Arg *arg) {
 439         gint steps = *(gint *)arg;
 440         webkit_web_view_go_back_or_forward(c->view, steps);
 441 }
 442
 443 Client *
 444 newclient(void) {
 445         int i;
 446         Client *c;
 447         WebKitWebSettings *settings;
 448         char *uri;
 449
 450         if(!(c = calloc(1, sizeof(Client))))
 451                 die("Cannot malloc!\n");
 452         /* Window */
 453         if(embed) {
 454                 c->win = gtk_plug_new(embed);
 455         }
 456         else {
 457                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 458                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "surf");
 459         }
 460         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 461         g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(destroywin), c);
 462         g_signal_connect(G_OBJECT(c->win), "key-press-event", G_CALLBACK(keypress), c);
 463
 464         if(!(c->items = calloc(1, sizeof(GtkWidget *) * LENGTH(items))))
 465                 die("Cannot malloc!\n");
 466
 467         /* contextmenu */
 468         for(i = 0; i < LENGTH(items); i++)
 469                 c->items[i] = gtk_menu_item_new_with_label(items[i].label);
 470
 471
 472         /* VBox */
 473         c->vbox = gtk_vbox_new(FALSE, 0);
 474
 475         /* scrolled window */
 476         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 477         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 478                         GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 479
 480         /* webview */
 481         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 482         g_signal_connect(G_OBJECT(c->view), "title-changed", G_CALLBACK(titlechange), c);
 483         g_signal_connect(G_OBJECT(c->view), "load-progress-changed", G_CALLBACK(progresschange), c);
 484         g_signal_connect(G_OBJECT(c->view), "load-committed", G_CALLBACK(loadcommit), c);
 485         g_signal_connect(G_OBJECT(c->view), "load-started", G_CALLBACK(loadstart), c);
 486         g_signal_connect(G_OBJECT(c->view), "hovering-over-link", G_CALLBACK(linkhover), c);
 487         g_signal_connect(G_OBJECT(c->view), "create-web-view", G_CALLBACK(createwindow), c);
 488         g_signal_connect(G_OBJECT(c->view), "new-window-policy-decision-requested", G_CALLBACK(decidewindow), c);
 489         g_signal_connect(G_OBJECT(c->view), "download-requested", G_CALLBACK(initdownload), c);
 490         g_signal_connect(G_OBJECT(c->view), "window-object-cleared", G_CALLBACK(windowobjectcleared), c);
 491         g_signal_connect_after(session, "request-started", G_CALLBACK(request), c);
 492         g_signal_connect(G_OBJECT(c->view), "focus-in-event", G_CALLBACK(focusview), c);
 493         g_signal_connect(G_OBJECT(c->view), "populate-popup", G_CALLBACK(context), c);
 494
 495         /* uribar */
 496         c->uribar = gtk_entry_new();
 497         gtk_entry_set_has_frame(GTK_ENTRY(c->uribar), FALSE);
 498
 499         /* searchbar */
 500         c->searchbar = gtk_entry_new();
 501         gtk_entry_set_has_frame(GTK_ENTRY(c->searchbar), FALSE);
 502
 503         /* indicator */
 504         c->indicator = gtk_drawing_area_new();
 505         gtk_widget_set_size_request(c->indicator, 0, 2);
 506         g_signal_connect (G_OBJECT (c->indicator), "expose_event",
 507                         G_CALLBACK (exposeindicator), c);
 508
 509         /* Arranging */
 510         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 511         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 512         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 513         gtk_container_add(GTK_CONTAINER(c->vbox), c->searchbar);
 514         gtk_container_add(GTK_CONTAINER(c->vbox), c->uribar);
 515         gtk_container_add(GTK_CONTAINER(c->vbox), c->indicator);
 516
 517         /* Setup */
 518         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->uribar, FALSE, FALSE, 0, GTK_PACK_START);
 519         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->searchbar, FALSE, FALSE, 0, GTK_PACK_START);
 520         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->indicator, FALSE, FALSE, 0, GTK_PACK_START);
 521         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0, GTK_PACK_START);
 522         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 523         gtk_widget_hide_all(c->searchbar);
 524         gtk_widget_hide_all(c->uribar);
 525         gtk_widget_show(c->vbox);
 526         gtk_widget_show(c->indicator);
 527         gtk_widget_show(c->scroll);
 528         gtk_widget_show(GTK_WIDGET(c->view));
 529         gtk_widget_show(c->win);
 530         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 531         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 532         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 533         settings = webkit_web_view_get_settings(c->view);
 534         g_object_set(G_OBJECT(settings), "user-agent", useragent, NULL);
 535         uri = g_strconcat("file://", stylefile, NULL);
 536         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
 537         g_free(uri);
 538
 539         c->download = NULL;
 540         c->title = NULL;
 541         c->next = clients;
 542         clients = c;
 543         if(showxid) {
 544                 gdk_display_sync(gtk_widget_get_display(c->win));
 545                 printf("%u\n", (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 546                 fflush(NULL);
 547         }
 548         return c;
 549 }
 550
 551 void
 552 newwindow(Client *c, const Arg *arg) {
 553         guint i = 0;
 554         const char *cmd[7], *uri;
 555         const Arg a = { .v = (void *)cmd };
 556         char tmp[64];
 557
 558         cmd[i++] = progname;
 559         if(embed) {
 560                 cmd[i++] = "-e";
 561                 snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed);
 562                 cmd[i++] = tmp;
 563         }
 564         if(showxid) {
 565                 cmd[i++] = "-x";
 566         }
 567         cmd[i++] = "--";
 568         uri = arg->v ? (char *)arg->v : autouri(c);
 569         if(uri)
 570                 cmd[i++] = uri;
 571         cmd[i++] = NULL;
 572         spawn(NULL, &a);
 573 }
 574
 575 WebKitWebView *
 576 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 577         Client *n = newclient();
 578         return n->view;
 579 }
 580
 581 void
 582 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
 583         Arg arg = {.v = text };
 584         if(text != NULL)
 585                 loaduri((Client *) d, &arg);
 586 }
 587
 588 GdkFilterReturn
 589 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
 590         Client *c = (Client *)d;
 591         XPropertyEvent *ev;
 592         Atom adummy;
 593         gint idummy;
 594         unsigned long ldummy;
 595         unsigned char *buf = NULL;
 596         Arg arg;
 597
 598         if(((XEvent *)e)->type == PropertyNotify) {
 599                 ev = &((XEvent *)e)->xproperty;
 600                 if(ev->atom == uriprop && ev->state == PropertyNewValue) {
 601                         if(ignore_once)
 602                                ignore_once = FALSE;
 603                         else {
 604                                 XGetWindowProperty(dpy, ev->window, uriprop, 0L, BUFSIZ, False, XA_STRING,
 605                                         &adummy, &idummy, &ldummy, &ldummy, &buf);
 606                                 arg.v = buf;
 607                                 loaduri(c, &arg);
 608                                 XFree(buf);
 609                         }
 610                         return GDK_FILTER_REMOVE;
 611                 }
 612         }
 613         return GDK_FILTER_CONTINUE;
 614 }
 615
 616 void
 617 print(Client *c, const Arg *arg) {
 618         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
 619 }
 620
 621 void
 622 proccookies(SoupMessage *m, Client *c) {
 623         GSList *l;
 624         SoupCookie *co;
 625         long t;
 626
 627         rereadcookies();
 628         for (l = soup_cookies_from_response(m); l; l = l->next){
 629                 co = (SoupCookie *)l->data;
 630                 t = co->expires ?  soup_date_to_time_t(co->expires) : 0;
 631                 setcookie(co->name, co->value, co->domain, co->value, t);
 632         }
 633         g_slist_free(l);
 634 }
 635
 636 void
 637 progresschange(WebKitWebView *v, gint p, Client *c) {
 638         c->progress = p;
 639         update(c);
 640 }
 641
 642 void
 643 request(SoupSession *s, SoupMessage *m, Client *c) {
 644         soup_message_add_header_handler(m, "got-headers", "Set-Cookie",
 645                         G_CALLBACK(proccookies), c);
 646 }
 647
 648 void
 649 reload(Client *c, const Arg *arg) {
 650         gboolean nocache = *(gboolean *)arg;
 651         if(nocache)
 652                  webkit_web_view_reload_bypass_cache(c->view);
 653         else
 654                  webkit_web_view_reload(c->view);
 655 }
 656
 657 void
 658 rereadcookies(void) {
 659
 660 }
 661
 662 void
 663 scroll(Client *c, const Arg *arg) {
 664         gdouble v;
 665         GtkAdjustment *a;
 666
 667         a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(c->scroll));
 668         v = gtk_adjustment_get_value(a);
 669         v += gtk_adjustment_get_step_increment(a) * arg->i;
 670         v = MAX(v, 0.0);
 671         v = MIN(v, gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a));
 672         gtk_adjustment_set_value(a, v);
 673 }
 674
 675 void
 676 sigchld(int unused) {
 677         if(signal(SIGCHLD, sigchld) == SIG_ERR)
 678                 die("Can't install SIGCHLD handler");
 679         while(0 < waitpid(-1, NULL, WNOHANG));
 680 }
 681
 682 void
 683 setcookie(char *name, char *val, char *dom, char *path, long exp) {
 684
 685 }
 686
 687 void
 688 setup(void) {
 689         SoupSession *s;
 690
 691         /* clean up any zombies immediately */
 692         sigchld(0);
 693         gtk_init(NULL, NULL);
 694         if (!g_thread_supported())
 695                 g_thread_init(NULL);
 696
 697         dpy = GDK_DISPLAY();
 698         session = webkit_get_default_session();
 699         uriprop = XInternAtom(dpy, "_SURF_uri", False);
 700
 701         /* create dirs and files */
 702         cookiefile = buildpath(cookiefile);
 703         dldir = buildpath(dldir);
 704         scriptfile = buildpath(scriptfile);
 705         stylefile = buildpath(stylefile);
 706
 707         /* cookie persistance */
 708         s = webkit_get_default_session();
 709         cookiejar = soup_cookie_jar_text_new(cookiefile, FALSE);
 710         soup_session_add_feature(s, SOUP_SESSION_FEATURE(cookiejar));
 711 }
 712
 713 void
 714 showsearch(Client *c, const Arg *arg) {
 715         hideuri(c, NULL);
 716         gtk_widget_show(c->searchbar);
 717         gtk_widget_grab_focus(c->searchbar);
 718 }
 719
 720 void
 721 source(Client *c, const Arg *arg) {
 722         Arg a = { .b = FALSE };
 723         gboolean s;
 724
 725         s = webkit_web_view_get_view_source_mode(c->view);
 726         webkit_web_view_set_view_source_mode(c->view, !s);
 727         reload(c, &a);
 728 }
 729
 730 void
 731 searchtext(Client *c, const Arg *arg) {
 732         const char *text;
 733         gboolean forward = *(gboolean *)arg;
 734         text = gtk_entry_get_text(GTK_ENTRY(c->searchbar));
 735         webkit_web_view_search_text(c->view, text, FALSE, forward, TRUE);
 736         webkit_web_view_mark_text_matches(c->view, text, FALSE, 0);
 737 }
 738
 739 void
 740 showuri(Client *c, const Arg *arg) {
 741         char *uri;
 742
 743         hidesearch(c, NULL);
 744         uri = geturi(c);
 745         gtk_entry_set_text(GTK_ENTRY(c->uribar), uri);
 746         gtk_widget_show(c->uribar);
 747         gtk_widget_grab_focus(c->uribar);
 748 }
 749
 750 void
 751 stop(Client *c, const Arg *arg) {
 752         if(c->download)
 753                 webkit_download_cancel(c->download);
 754         else
 755                 webkit_web_view_stop_loading(c->view);
 756         c->download = NULL;
 757 }
 758
 759 void
 760 spawn(Client *c, const Arg *arg) {
 761         if(fork() == 0) {
 762                 if(dpy)
 763                         close(ConnectionNumber(dpy));
 764                 setsid();
 765                 execvp(((char **)arg->v)[0], (char **)arg->v);
 766                 fprintf(stderr, "tabbed: execvp %s", ((char **)arg->v)[0]);
 767                 perror(" failed");
 768                 exit(0);
 769         }
 770 }
 771
 772 void
 773 titlechange(WebKitWebView *v, WebKitWebFrame *f, const char *t, Client *c) {
 774         c->title = copystr(&c->title, t);
 775         update(c);
 776 }
 777
 778 gboolean
 779 focusview(GtkWidget *w, GdkEventFocus *e, Client *c) {
 780         hidesearch(c, NULL);
 781         hideuri(c, NULL);
 782         return FALSE;
 783 }
 784
 785 void
 786 usage(void) {
 787         fputs("surf - simple browser\n", stderr);
 788         die("usage: surf [-e Window] [-x] [uri]\n");
 789 }
 790
 791 void
 792 update(Client *c) {
 793         char *t;
 794
 795         if(c->progress != 100)
 796                 t = g_strdup_printf("%s [%i%%]", c->title, c->progress);
 797         else if(c->linkhover)
 798                 t = g_strdup(c->linkhover);
 799         else
 800                 t = g_strdup(c->title);
 801         drawindicator(c);
 802         gtk_window_set_title(GTK_WINDOW(c->win), t);
 803         g_free(t);
 804
 805 }
 806
 807 void
 808 updatewinid(Client *c) {
 809         snprintf(winid, LENGTH(winid), "%u",
 810                         (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
 811 }
 812
 813 void
 814 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c) {
 815         JSStringRef jsscript;
 816         char *script;
 817         JSValueRef exception = NULL;
 818         GError *error;
 819
 820         if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
 821                 jsscript = JSStringCreateWithUTF8CString(script);
 822                 JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js), NULL, 0, &exception);
 823         }
 824 }
 825
 826 void
 827 zoom(Client *c, const Arg *arg) {
 828         if(arg->i < 0)          /* zoom out */
 829                 webkit_web_view_zoom_out(c->view);
 830         else if(arg->i > 0)     /* zoom in */
 831                 webkit_web_view_zoom_in(c->view);
 832         else                    /* reset */
 833                 webkit_web_view_set_zoom_level(c->view, 1.0);
 834 }
 835
 836 int main(int argc, char *argv[]) {
 837         int i;
 838         Arg arg;
 839
 840         progname = argv[0];
 841         /* command line args */
 842         for(i = 1, arg.v = NULL; i < argc && argv[i][0] == '-'; i++) {
 843                 if(!strcmp(argv[i], "-x"))
 844                         showxid = TRUE;
 845                 else if(!strcmp(argv[i], "-e")) {
 846                         if(++i < argc)
 847                                 embed = atoi(argv[i]);
 848                         else
 849                                 usage();
 850                 }
 851                 else if(!strcmp(argv[i], "--")) {
 852                         i++;
 853                         break;
 854                 }
 855                 else if(!strcmp(argv[i], "-v"))
 856                         die("surf-"VERSION", © 2009 surf engineers, see LICENSE for details\n");
 857                 else
 858                         usage();
 859         }
 860         if(i < argc)
 861                 arg.v = argv[i];
 862         setup();
 863         newclient();
 864         if(arg.v) {
 865                 loaduri(clients, &arg);
 866         }
 867         gtk_main();
 868         cleanup();
 869         return EXIT_SUCCESS;
 870 }