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