/* See LICENSE file for copyright and license details. * * To understand surf, start reading main(). */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define LENGTH(x) (sizeof x / sizeof x[0]) #define CLEANMASK(mask) (mask & ~(GDK_MOD2_MASK)) typedef union Arg Arg; union Arg { const gboolean b; const gint i; const void *v; }; typedef struct Client { GtkWidget *win, *scroll, *vbox, *urlbar, *searchbar, *indicator; WebKitWebView *view; WebKitDownload *download; gchar *title; gint progress; struct Client *next; } Client; typedef struct Cookie { char *name; char *value; char *domain; char *path; struct Cookie *next; } Cookie; typedef enum { Browser = 0x0001, SearchBar = 0x0010, UrlBar = 0x0100, Any = ~0, } KeyFocus; typedef struct { guint mod; guint keyval; void (*func)(Client *c, const Arg *arg); const Arg arg; KeyFocus focus; } Key; static Display *dpy; static Atom urlprop; static SoupCookieJar *cookiejar; static SoupSession *session; static Client *clients = NULL; /*static Cookie *cookies = NULL;*/ static GdkNativeWindow embed = 0; static gboolean showxid = FALSE; static gboolean ignore_once = FALSE; static gchar winid[64]; static gchar *progname; static gchar *buildpath(const gchar *path); static void cleanup(void); static void clipboard(Client *c, const Arg *arg); static gchar *copystr(gchar **str, const gchar *src); static gboolean decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c); static void destroyclient(Client *c); static void destroywin(GtkWidget* w, Client *c); static void die(char *str); static void download(WebKitDownload *o, GParamSpec *pspec, Client *c); static void drawindicator(Client *c); static gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c); static gboolean initdownload(WebKitWebView *view, WebKitDownload *o, Client *c); static gchar *geturi(Client *c); static void hidesearch(Client *c, const Arg *arg); static void hideurl(Client *c, const Arg *arg); static gboolean keypress(GtkWidget* w, GdkEventKey *ev, Client *c); static void linkhover(WebKitWebView* page, const gchar* t, const gchar* l, Client *c); static void loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c); static void loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c); static void loaduri(Client *c, const Arg *arg); static void navigate(Client *c, const Arg *arg); static Client *newclient(void); static void newproc(const gchar *url); static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c); static void pasteurl(GtkClipboard *clipboard, const gchar *text, gpointer d); static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d); static void print(Client *c, const Arg *arg); static void proccookies(SoupMessage *m, Client *c); static void progresschange(WebKitWebView *view, gint p, Client *c); static void request(SoupSession *s, SoupMessage *m, Client *c); static void reload(Client *c, const Arg *arg); static void rereadcookies(void); static void sigchld(int unused); static void setcookie(char *name, char *val, char *dom, char *path, long exp); static void setup(void); static void spawn(Client *c, const Arg *arg); static void titlechange(WebKitWebView* view, WebKitWebFrame* frame, const gchar* title, Client *c); static void scroll(Client *c, const Arg *arg); static void searchtext(Client *c, const Arg *arg); static void source(Client *c, const Arg *arg); static void showsearch(Client *c, const Arg *arg); static void showurl(Client *c, const Arg *arg); static void stop(Client *c, const Arg *arg); static void titlechange(WebKitWebView* view, WebKitWebFrame* frame, const gchar* title, Client *c); static gboolean focusview(GtkWidget *w, GdkEventFocus *e, Client *c); static void usage(void); static void update(Client *c); static void updatewinid(Client *c); static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c); static void zoom(Client *c, const Arg *arg); /* configuration, allows nested code to access above variables */ #include "config.h" gchar * buildpath(const gchar *path) { gchar *apath, *p; FILE *f; /* creating directory */ if(path[0] == '/') apath = g_strdup(path); else apath = g_strconcat(g_get_home_dir(), "/", path, NULL); if((p = strrchr(apath, '/'))) { *p = '\0'; g_mkdir_with_parents(apath, 0755); *p = '/'; } /* creating file (gives error when apath ends with "/") */ if((f = g_fopen(apath, "a"))) fclose(f); return apath; } void cleanup(void) { while(clients) destroyclient(clients); g_free(cookiefile); g_free(dldir); g_free(scriptfile); g_free(stylefile); } void clipboard(Client *c, const Arg *arg) { gboolean paste = *(gboolean *)arg; if(paste) gtk_clipboard_request_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), pasteurl, c); else gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), webkit_web_view_get_uri(c->view), -1); } gchar * copystr(gchar **str, const gchar *src) { gchar *tmp; tmp = g_strdup(src); if(str && *str) { g_free(*str); *str = tmp; } return tmp; } void destroyclient(Client *c) { Client *p; gtk_widget_destroy(GTK_WIDGET(c->view)); gtk_widget_destroy(c->scroll); gtk_widget_destroy(c->urlbar); gtk_widget_destroy(c->searchbar); gtk_widget_destroy(c->vbox); gtk_widget_destroy(c->win); for(p = clients; p && p->next != c; p = p->next); if(p) p->next = c->next; else clients = c->next; free(c); if(clients == NULL) gtk_main_quit(); } gboolean decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c) { if(webkit_web_navigation_action_get_reason(n) == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) { webkit_web_policy_decision_ignore(p); newproc(webkit_network_request_get_uri(r)); return TRUE; } return FALSE; } void destroywin(GtkWidget* w, Client *c) { destroyclient(c); } void die(char *str) { fputs(str, stderr); exit(EXIT_FAILURE); } void drawindicator(Client *c) { gint width; gchar *uri; GtkWidget *w; GdkGC *gc; GdkColor fg; uri = geturi(c); w = c->indicator; width = c->progress * w->allocation.width / 100; gc = gdk_gc_new(w->window); gdk_color_parse(strstr(uri, "https://") == uri ? progress_trust : progress, &fg); gdk_gc_set_rgb_fg_color(gc, &fg); gdk_draw_rectangle(w->window, w->style->bg_gc[GTK_WIDGET_STATE(w)], TRUE, 0, 0, w->allocation.width, w->allocation.height); gdk_draw_rectangle(w->window, gc, TRUE, 0, 0, width, w->allocation.height); g_object_unref(gc); } gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c) { drawindicator(c); return TRUE; } void download(WebKitDownload *o, GParamSpec *pspec, Client *c) { WebKitDownloadStatus status; status = webkit_download_get_status(c->download); if(status == WEBKIT_DOWNLOAD_STATUS_STARTED || status == WEBKIT_DOWNLOAD_STATUS_CREATED) { c->progress = (gint)(webkit_download_get_progress(c->download)*100); } update(c); } gboolean initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) { const gchar *filename; gchar *uri, *html; stop(c, NULL); c->download = o; filename = webkit_download_get_suggested_filename(o); uri = g_strconcat("file://", dldir, "/", filename, NULL); webkit_download_set_destination_uri(c->download, uri); c->progress = 0; g_free(uri); html = g_strdup_printf("Download %s...", filename); webkit_web_view_load_html_string(c->view, html, webkit_download_get_uri(c->download)); g_signal_connect(c->download, "notify::progress", G_CALLBACK(download), c); g_signal_connect(c->download, "notify::status", G_CALLBACK(download), c); webkit_download_start(c->download); c->title = copystr(&c->title, filename); update(c); g_free(html); return TRUE; } gchar * geturi(Client *c) { gchar *uri; if(!(uri = (gchar *)webkit_web_view_get_uri(c->view))) uri = copystr(NULL, "about:blank"); return uri; } void hidesearch(Client *c, const Arg *arg) { gtk_widget_hide(c->searchbar); gtk_widget_grab_focus(GTK_WIDGET(c->view)); } void hideurl(Client *c, const Arg *arg) { gtk_widget_hide(c->urlbar); gtk_widget_grab_focus(GTK_WIDGET(c->view)); } gboolean keypress(GtkWidget* w, GdkEventKey *ev, Client *c) { guint i, focus; gboolean processed = FALSE; if(ev->type != GDK_KEY_PRESS) return FALSE; if(GTK_WIDGET_HAS_FOCUS(c->searchbar)) focus = SearchBar; else if(GTK_WIDGET_HAS_FOCUS(c->urlbar)) focus = UrlBar; else focus = Browser; updatewinid(c); for(i = 0; i < LENGTH(keys); i++) { if(focus & keys[i].focus && gdk_keyval_to_lower(ev->keyval) == keys[i].keyval && CLEANMASK(ev->state) == keys[i].mod && keys[i].func) { keys[i].func(c, &(keys[i].arg)); processed = TRUE; } } return processed; } void linkhover(WebKitWebView* page, const gchar* t, const gchar* l, Client *c) { if(l) gtk_window_set_title(GTK_WINDOW(c->win), l); else update(c); } void loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c) { gchar *uri; ignore_once = TRUE; uri = geturi(c); XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window), urlprop, XA_STRING, 8, PropModeReplace, (unsigned char *)uri, strlen(uri) + 1); } void loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c) { c->progress = 0; update(c); } void loaduri(Client *c, const Arg *arg) { gchar *u; const gchar *uri = (gchar *)arg->v; if(!uri) uri = gtk_entry_get_text(GTK_ENTRY(c->urlbar)); u = g_strrstr(uri, "://") ? g_strdup(uri) : g_strdup_printf("http://%s", uri); webkit_web_view_load_uri(c->view, u); c->progress = 0; c->title = copystr(&c->title, u); g_free(u); update(c); } void navigate(Client *c, const Arg *arg) { gint steps = *(gint *)arg; webkit_web_view_go_back_or_forward(c->view, steps); } Client * newclient(void) { Client *c; WebKitWebSettings *settings; gchar *uri; if(!(c = calloc(1, sizeof(Client)))) die("Cannot malloc!\n"); /* Window */ if(embed) { c->win = gtk_plug_new(embed); } else { c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "surf"); } gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600); g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(destroywin), c); g_signal_connect(G_OBJECT(c->win), "key-press-event", G_CALLBACK(keypress), c); /* VBox */ c->vbox = gtk_vbox_new(FALSE, 0); /* scrolled window */ c->scroll = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll), GTK_POLICY_NEVER, GTK_POLICY_NEVER); /* webview */ c->view = WEBKIT_WEB_VIEW(webkit_web_view_new()); g_signal_connect(G_OBJECT(c->view), "title-changed", G_CALLBACK(titlechange), c); g_signal_connect(G_OBJECT(c->view), "load-progress-changed", G_CALLBACK(progresschange), c); g_signal_connect(G_OBJECT(c->view), "load-committed", G_CALLBACK(loadcommit), c); g_signal_connect(G_OBJECT(c->view), "load-started", G_CALLBACK(loadstart), c); g_signal_connect(G_OBJECT(c->view), "hovering-over-link", G_CALLBACK(linkhover), c); g_signal_connect(G_OBJECT(c->view), "create-web-view", G_CALLBACK(createwindow), c); g_signal_connect(G_OBJECT(c->view), "new-window-policy-decision-requested", G_CALLBACK(decidewindow), c); g_signal_connect(G_OBJECT(c->view), "download-requested", G_CALLBACK(initdownload), c); g_signal_connect(G_OBJECT(c->view), "window-object-cleared", G_CALLBACK(windowobjectcleared), c); g_signal_connect_after(session, "request-started", G_CALLBACK(request), c); g_signal_connect(G_OBJECT(c->view), "focus-in-event", G_CALLBACK(focusview), c); /* urlbar */ c->urlbar = gtk_entry_new(); gtk_entry_set_has_frame(GTK_ENTRY(c->urlbar), FALSE); /* searchbar */ c->searchbar = gtk_entry_new(); gtk_entry_set_has_frame(GTK_ENTRY(c->searchbar), FALSE); /* indicator */ c->indicator = gtk_drawing_area_new(); gtk_widget_set_size_request(c->indicator, 0, 2); g_signal_connect (G_OBJECT (c->indicator), "expose_event", G_CALLBACK (exposeindicator), c); /* Arranging */ gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view)); gtk_container_add(GTK_CONTAINER(c->win), c->vbox); gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll); gtk_container_add(GTK_CONTAINER(c->vbox), c->searchbar); gtk_container_add(GTK_CONTAINER(c->vbox), c->urlbar); gtk_container_add(GTK_CONTAINER(c->vbox), c->indicator); /* Setup */ gtk_box_set_child_packing(GTK_BOX(c->vbox), c->urlbar, FALSE, FALSE, 0, GTK_PACK_START); gtk_box_set_child_packing(GTK_BOX(c->vbox), c->searchbar, FALSE, FALSE, 0, GTK_PACK_START); gtk_box_set_child_packing(GTK_BOX(c->vbox), c->indicator, FALSE, FALSE, 0, GTK_PACK_START); gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE, TRUE, 0, GTK_PACK_START); gtk_widget_grab_focus(GTK_WIDGET(c->view)); gtk_widget_hide_all(c->searchbar); gtk_widget_hide_all(c->urlbar); gtk_widget_show(c->vbox); gtk_widget_show(c->indicator); gtk_widget_show(c->scroll); gtk_widget_show(GTK_WIDGET(c->view)); gtk_widget_show(c->win); gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK); gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c); webkit_web_view_set_full_content_zoom(c->view, TRUE); settings = webkit_web_view_get_settings(c->view); g_object_set(G_OBJECT(settings), "user-agent", useragent, NULL); uri = g_strconcat("file://", stylefile, NULL); g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL); g_free(uri); c->download = NULL; c->title = NULL; c->next = clients; clients = c; if(showxid) { gdk_display_sync(gtk_widget_get_display(c->win)); printf("%u\n", (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window)); fflush(NULL); } return c; } void newproc(const gchar *url) { guint i = 0, urlindex; const gchar *cmd[7]; const Arg arg = { .v = (void *)cmd }; gchar tmp[64]; cmd[i++] = progname; if(embed) { cmd[i++] = "-e"; snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed); cmd[i++] = tmp; } if(showxid) { cmd[i++] = "-x"; } cmd[i++] = "--"; urlindex = i; if(url) cmd[i++] = url; cmd[i++] = NULL; spawn(NULL, &arg); } WebKitWebView * createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c) { Client *n = newclient(); return n->view; } void pasteurl(GtkClipboard *clipboard, const gchar *text, gpointer d) { Arg arg = {.v = text }; if(text != NULL) loaduri((Client *) d, &arg); } GdkFilterReturn processx(GdkXEvent *e, GdkEvent *event, gpointer d) { Client *c = (Client *)d; XPropertyEvent *ev; Atom adummy; gint idummy; unsigned long ldummy; unsigned char *buf = NULL; Arg arg; if(((XEvent *)e)->type == PropertyNotify) { ev = &((XEvent *)e)->xproperty; if(ev->atom == urlprop && ev->state == PropertyNewValue) { if(ignore_once) ignore_once = FALSE; else { XGetWindowProperty(dpy, ev->window, urlprop, 0L, BUFSIZ, False, XA_STRING, &adummy, &idummy, &ldummy, &ldummy, &buf); arg.v = buf; loaduri(c, &arg); XFree(buf); } return GDK_FILTER_REMOVE; } } return GDK_FILTER_CONTINUE; } void print(Client *c, const Arg *arg) { webkit_web_frame_print(webkit_web_view_get_main_frame(c->view)); } void proccookies(SoupMessage *m, Client *c) { GSList *l; SoupCookie *co; long t; rereadcookies(); for (l = soup_cookies_from_response(m); l; l = l->next){ co = (SoupCookie *)l->data; t = co->expires ? soup_date_to_time_t(co->expires) : 0; setcookie(co->name, co->value, co->domain, co->value, t); } g_slist_free(l); } void progresschange(WebKitWebView* view, gint p, Client *c) { c->progress = p; update(c); } void request(SoupSession *s, SoupMessage *m, Client *c) { soup_message_add_header_handler(m, "got-headers", "Set-Cookie", G_CALLBACK(proccookies), c); } void reload(Client *c, const Arg *arg) { gboolean nocache = *(gboolean *)arg; if(nocache) webkit_web_view_reload_bypass_cache(c->view); else webkit_web_view_reload(c->view); } void rereadcookies(void) { } void scroll(Client *c, const Arg *arg) { gdouble v; GtkAdjustment *a; a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(c->scroll)); v = gtk_adjustment_get_value(a); v += gtk_adjustment_get_step_increment(a) * arg->i; v = MAX(v, 0.0); v = MIN(v, gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a)); gtk_adjustment_set_value(a, v); } void sigchld(int unused) { if(signal(SIGCHLD, sigchld) == SIG_ERR) die("Can't install SIGCHLD handler"); while(0 < waitpid(-1, NULL, WNOHANG)); } void setcookie(char *name, char *val, char *dom, char *path, long exp) { } void setup(void) { SoupSession *s; /* clean up any zombies immediately */ sigchld(0); gtk_init(NULL, NULL); if (!g_thread_supported()) g_thread_init(NULL); dpy = GDK_DISPLAY(); session = webkit_get_default_session(); urlprop = XInternAtom(dpy, "_SURF_URL", False); /* create dirs and files */ cookiefile = buildpath(cookiefile); dldir = buildpath(dldir); scriptfile = buildpath(scriptfile); stylefile = buildpath(stylefile); /* cookie persistance */ s = webkit_get_default_session(); cookiejar = soup_cookie_jar_text_new(cookiefile, FALSE); soup_session_add_feature(s, SOUP_SESSION_FEATURE(cookiejar)); } void showsearch(Client *c, const Arg *arg) { hideurl(c, NULL); gtk_widget_show(c->searchbar); gtk_widget_grab_focus(c->searchbar); } void source(Client *c, const Arg *arg) { Arg a = { .b = FALSE }; gboolean s; s = webkit_web_view_get_view_source_mode(c->view); webkit_web_view_set_view_source_mode(c->view, !s); reload(c, &a); } void searchtext(Client *c, const Arg *arg) { const gchar *text; gboolean forward = *(gboolean *)arg; text = gtk_entry_get_text(GTK_ENTRY(c->searchbar)); webkit_web_view_search_text(c->view, text, FALSE, forward, TRUE); webkit_web_view_mark_text_matches(c->view, text, FALSE, 0); } void showurl(Client *c, const Arg *arg) { gchar *uri; hidesearch(c, NULL); uri = geturi(c); gtk_entry_set_text(GTK_ENTRY(c->urlbar), uri); gtk_widget_show(c->urlbar); gtk_widget_grab_focus(c->urlbar); } void stop(Client *c, const Arg *arg) { if(c->download) webkit_download_cancel(c->download); else webkit_web_view_stop_loading(c->view); c->download = NULL; } void spawn(Client *c, const Arg *arg) { if(fork() == 0) { if(dpy) close(ConnectionNumber(dpy)); setsid(); execvp(((char **)arg->v)[0], (char **)arg->v); fprintf(stderr, "tabbed: execvp %s", ((char **)arg->v)[0]); perror(" failed"); exit(0); } } void titlechange(WebKitWebView *v, WebKitWebFrame *f, const gchar *t, Client *c) { c->title = copystr(&c->title, t); update(c); } gboolean focusview(GtkWidget *w, GdkEventFocus *e, Client *c) { hidesearch(c, NULL); hideurl(c, NULL); return FALSE; } void usage(void) { fputs("surf - simple browser\n", stderr); die("usage: surf [-e Window] [-x] [uri]\n"); } void update(Client *c) { gchar *t; if(c->progress == 100) t = g_strdup(c->title); else t = g_strdup_printf("%s [%i%%]", c->title, c->progress); drawindicator(c); gtk_window_set_title(GTK_WINDOW(c->win), t); g_free(t); } void updatewinid(Client *c) { snprintf(winid, LENGTH(winid), "%u", (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window)); } void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c) { JSStringRef jsscript; gchar *script; JSValueRef exception = NULL; GError *error; if(g_file_get_contents(scriptfile, &script, NULL, &error)) { jsscript = JSStringCreateWithUTF8CString(script); JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js), NULL, 0, &exception); } } void zoom(Client *c, const Arg *arg) { if(arg->i < 0) /* zoom out */ webkit_web_view_zoom_out(c->view); else if(arg->i > 0) /* zoom in */ webkit_web_view_zoom_in(c->view); else /* reset */ webkit_web_view_set_zoom_level(c->view, 1.0); } int main(int argc, char *argv[]) { int i; Arg arg; progname = argv[0]; /* command line args */ for(i = 1, arg.v = NULL; i < argc && argv[i][0] == '-'; i++) { if(!strcmp(argv[i], "-x")) showxid = TRUE; else if(!strcmp(argv[i], "-e")) { if(++i < argc) embed = atoi(argv[i]); else usage(); } else if(!strcmp(argv[i], "--")) { i++; break; } else if(!strcmp(argv[i], "-v")) die("surf-"VERSION", © 2009 surf engineers, see LICENSE for details\n"); else usage(); } if(i < argc) arg.v = argv[i]; setup(); newclient(); if(arg.v) { loaduri(clients, &arg); } gtk_main(); cleanup(); return EXIT_SUCCESS; }