/* See LICENSE file for copyright and license details.

*

* To understand surf, start reading main().

*/

#include <signal.h>

#include <X11/X.h>

#include <X11/Xatom.h>

#include <gtk/gtk.h>

#include <gdk/gdkx.h>

#include <gdk/gdk.h>

#include <gdk/gdkkeysyms.h>

#include <string.h>

#include <sys/types.h>

#include <sys/wait.h>

#include <unistd.h>

#include <stdlib.h>

#include <stdio.h>

#include <webkit/webkit.h>

#include <glib/gstdio.h>

#include <JavaScriptCore/JavaScript.h>

#define LENGTH(x) (sizeof x / sizeof x[0])

#define CLEANMASK(mask) (mask & ~(GDK_MOD2_MASK))

typedef union Arg Arg;

union Arg {

gboolean b;

gint i;

const void *v;

};

typedef struct Client {

} Client;

typedef struct {

char *label;

void (*func)(Client *c, const Arg *arg);

const Arg arg;

} Item;

typedef struct {

guint mod;

guint keyval;

void (*func)(Client *c, const Arg *arg);

const Arg arg;

} Key;

static Display *dpy;

static Atom uriprop, findprop;

static SoupCookieJar *cookies;

static SoupSession *session;

static Client *clients = NULL;

static GdkNativeWindow embed = 0;

static gboolean showxid = FALSE;

static int ignorexprop = 0;

static char winid[64];

static char *progname;

static gboolean lockcookie = FALSE;

static char *buildpath(const char *path);

static void changecookie(SoupCookieJar *jar, SoupCookie *o, SoupCookie *n, gpointer p);

static void cleanup(void);

static void clipboard(Client *c, const Arg *arg);

static void context(WebKitWebView *v, GtkMenu *m, Client *c);

static char *copystr(char **str, const char *src);

static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c);

static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, gchar *m, WebKitWebPolicyDecision *p, Client *c);

static gboolean decidewindow(WebKitWebView *v, 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(Client *c, const Arg *arg);

static void drawindicator(Client *c);

static gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c);

static void find(Client *c, const Arg *arg);

static const char *getatom(Client *c, Atom a);

static char *geturi(Client *c);

static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);

static void itemclick(GtkMenuItem *mi, Client *c);

static gboolean keypress(GtkWidget *w, GdkEventKey *ev, Client *c);

static void linkhover(WebKitWebView *v, const char* t, const char* l, Client *c);

static void loadcommit(WebKitWebView *v, WebKitWebFrame *f, Client *c);

static void loadstart(WebKitWebView *v, 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 newwindow(Client *c, const Arg *arg);

static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);

static void print(Client *c, const Arg *arg);

static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event, gpointer d);

static void progresschange(WebKitWebView *v, gint p, Client *c);

static void reload(Client *c, const Arg *arg);

static void reloadcookies();

static void resize(GtkWidget *w, GtkAllocation *a, Client *c);

static void scroll(Client *c, const Arg *arg);

static void setatom(Client *c, Atom a, const char *v);

static void setup(void);

static void sigchld(int unused);

static void source(Client *c, const Arg *arg);

static void spawn(Client *c, const Arg *arg);

static void stop(Client *c, const Arg *arg);

static void titlechange(WebKitWebView *v, WebKitWebFrame* frame, const char* title, Client *c);

static void update(Client *c);

static void updatedownload(WebKitDownload *o, GParamSpec *pspec, Client *c);

static void updatewinid(Client *c);

static void usage(void);

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"

char *

buildpath(const char *path) {

char *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

changecookie(SoupCookieJar *j, SoupCookie *oc, SoupCookie *c, gpointer p) {

SoupDate *e;

SoupCookieJar *jar;

if(lockcookie)

return;

if(c && c->expires == NULL) {

e = soup_date_new_from_time_t(time(NULL) + sessiontime);

c = soup_cookie_copy(c);

soup_cookie_set_expires(c, e);

}

jar = soup_cookie_jar_text_new(cookiefile, FALSE);

if(c)

soup_cookie_jar_add_cookie(jar, soup_cookie_copy(c));

else

soup_cookie_jar_delete_cookie(jar, oc);

g_object_unref(jar);

}

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), pasteuri, c);

else

gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_PRIMARY), c->linkhover ? c->linkhover : geturi(c), -1);

}

void

context(WebKitWebView *v, GtkMenu *m, Client *c) {

int i;

GtkContainer *parent;

gtk_widget_hide_all(GTK_WIDGET(m));

gtk_widget_show(GTK_WIDGET(m));

for(i = 0; i < LENGTH(items); i++) {

parent = GTK_CONTAINER(gtk_widget_get_parent(c->items[i]));

if(parent)

gtk_container_remove(parent, c->items[i]);

gtk_menu_shell_append(GTK_MENU_SHELL(m), c->items[i]);

gtk_widget_show(c->items[i]);

}

}

char *

copystr(char **str, const char *src) {

char *tmp;

tmp = g_strdup(src);

if(str && *str) {

g_free(*str);

*str = tmp;

}

return tmp;

}

WebKitWebView *

createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c) {

Client *n = newclient();

return n->view;

}

gboolean

decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r, gchar *m, WebKitWebPolicyDecision *p, Client *c) {

if(!webkit_web_view_can_show_mime_type(v, m)) {

webkit_web_policy_decision_download(p);

return TRUE;

}

return FALSE;

}

gboolean

decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r, WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p, Client *c) {

Arg arg;

if(webkit_web_navigation_action_get_reason(n) == WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {

webkit_web_policy_decision_ignore(p);

arg.v = (void *)webkit_network_request_get_uri(r);

newwindow(NULL, &arg);

return TRUE;

}

return FALSE;

}

void

destroyclient(Client *c) {

int i;

Client *p;

gtk_widget_destroy(c->indicator);

gtk_widget_destroy(GTK_WIDGET(c->view));

gtk_widget_destroy(c->scroll);

gtk_widget_destroy(c->vbox);

gtk_widget_destroy(c->win);

for(i = 0; i < LENGTH(items); i++)

gtk_widget_destroy(c->items[i]);

free(c->items);

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();

}

void

destroywin(GtkWidget* w, Client *c) {

destroyclient(c);

}

void

die(char *str) {

fputs(str, stderr);

exit(EXIT_FAILURE);

}

void

download(Client *c, const Arg *arg) {

char *uri;

WebKitNetworkRequest *r;

WebKitDownload *dl;

if(arg->v)

uri = (char *)arg->v;

else

uri = c->linkhover ? c->linkhover : geturi(c);

r = webkit_network_request_new(uri);

dl = webkit_download_new(r);

initdownload(c->view, dl, c);

}

void

drawindicator(Client *c) {

gint width;

const char *uri;

GtkWidget *w;

GdkGC *gc;

GdkColor fg;

uri = getatom(c, uriprop);

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

find(Client *c, const Arg *arg) {

const char *s;

s = getatom(c, findprop);

gboolean forward = *(gboolean *)arg;

webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);

}

const char *

getatom(Client *c, Atom a) {

static char buf[BUFSIZ];

Atom adummy;

int idummy;

unsigned long ldummy;

unsigned char *p = NULL;

XGetWindowProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),

a, 0L, BUFSIZ, False, XA_STRING,

&adummy, &idummy, &ldummy, &ldummy, &p);

if(p)

strncpy(buf, (char *)p, LENGTH(buf)-1);

else

buf[0] = '\0';

XFree(p);

return buf;

}

char *

geturi(Client *c) {

char *uri;

if(!(uri = (char *)webkit_web_view_get_uri(c->view)))

uri = "about:blank";

return uri;

}

gboolean

initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {

const char *filename;

char *uri, *html;

stop(c, NULL);

c->download = o;

filename = webkit_download_get_suggested_filename(o);

if(!strcmp("", filename))

filename = "index.html";

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 <b>%s</b>...", 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(updatedownload), c);

g_signal_connect(c->download, "notify::status", G_CALLBACK(updatedownload), c);

webkit_download_start(c->download);

c->title = copystr(&c->title, filename);

update(c);

g_free(html);

return TRUE;

}

void

itemclick(GtkMenuItem *mi, Client *c) {

int i;

const char *label;

label = gtk_menu_item_get_label(mi);

for(i = 0; i < LENGTH(items); i++)

if(!strcmp(items[i].label, label))

items[i].func(c, &(items[i].arg));

}

gboolean

keypress(GtkWidget* w, GdkEventKey *ev, Client *c) {

guint i;

gboolean processed = FALSE;

updatewinid(c);

for(i = 0; i < LENGTH(keys); i++) {

if(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 *v, const char* t, const char* l, Client *c) {

if(l)

c->linkhover = copystr(&c->linkhover, l);

else if(c->linkhover) {

free(c->linkhover);

c->linkhover = NULL;

}

update(c);

}

void

loadcommit(WebKitWebView *view, WebKitWebFrame *f, Client *c) {

setatom(c, uriprop, geturi(c));

}

void

loadstart(WebKitWebView *view, WebKitWebFrame *f, Client *c) {

c->progress = 0;

update(c);

reloadcookies();

}

void

loaduri(Client *c, const Arg *arg) {

char *u;

const char *uri = (char *)arg->v;

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) {

int i;

Client *c;

WebKitWebSettings *settings;

GdkGeometry hints = { 1, 1 };

char *uri, *ua;

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);

/* TA: 20091214: Despite what the GNOME docs say, the ICCCM

* is always correct, so we should still call this function.

* But when doing so, we *must* differentiate between a

* WM_CLASS and a resource on the window. By convention, the

* window class (WM_CLASS) is capped, while the resource is in

* lowercase. Both these values come as a pair.

*/

gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "surf");

/* TA: 20091214: And set the role here as well -- so that

* sessions can pick this up.

*/

gtk_window_set_role(GTK_WINDOW(c->win), "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);

g_signal_connect(G_OBJECT(c->win), "size-allocate", G_CALLBACK(resize), c);

if(!(c->items = calloc(1, sizeof(GtkWidget *) * LENGTH(items))))

die("Cannot malloc!\n");

/* contextmenu */

for(i = 0; i < LENGTH(items); i++) {

c->items[i] = gtk_menu_item_new_with_label(items[i].label);

g_signal_connect(G_OBJECT(c->items[i]), "activate",

G_CALLBACK(itemclick), 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), "mime-type-policy-decision-requested", G_CALLBACK(decidedownload), 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(G_OBJECT(c->view), "populate-popup", G_CALLBACK(context), c);

/* 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->indicator);

/* Setup */

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_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);

gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints, GDK_HINT_MIN_SIZE);

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);

if(!(ua = getenv("SURF_USERAGENT")))

ua = useragent;

g_object_set(G_OBJECT(settings), "user-agent", ua, NULL);

uri = g_strconcat("file://", stylefile, NULL);

g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);

g_free(uri);

setatom(c, findprop, "");

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

newwindow(Client *c, const Arg *arg) {

guint i = 0;

const char *cmd[7], *uri;

const Arg a = { .v = (void *)cmd };

char 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++] = "--";

uri = arg->v ? (char *)arg->v : c->linkhover;

if(uri)

cmd[i++] = uri;

cmd[i++] = NULL;

spawn(NULL, &a);

}

void

pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {

Arg arg = {.v = text };

if(text != NULL)

loaduri((Client *) d, &arg);

}

void

print(Client *c, const Arg *arg) {

webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));

}

GdkFilterReturn

processx(GdkXEvent *e, GdkEvent *event, gpointer d) {

Client *c = (Client *)d;

XPropertyEvent *ev;

Arg arg;

if(((XEvent *)e)->type == PropertyNotify) {

ev = &((XEvent *)e)->xproperty;

if(ignorexprop)

ignorexprop--;

else if(ev->state == PropertyNewValue) {

if(ev->atom == uriprop) {

arg.v = getatom(c, uriprop);

loaduri(c, &arg);

}

else if(ev->atom == findprop) {

arg.b = TRUE;

find(c, &arg);

}

return GDK_FILTER_REMOVE;

}

}

return GDK_FILTER_CONTINUE;

}

void

progresschange(WebKitWebView *v, gint p, Client *c) {

c->progress = p;

update(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

reloadcookies() {

SoupCookieJar *jar;

GSList *l, *e;

lockcookie = TRUE;

for(l = e = soup_cookie_jar_all_cookies(cookies); e; e = e->next)

soup_cookie_jar_delete_cookie(cookies, (SoupCookie *)e->data);

soup_cookies_free(l);

jar = soup_cookie_jar_text_new(cookiefile, TRUE);

for(l = e = soup_cookie_jar_all_cookies(jar); e; e = e->next)

soup_cookie_jar_add_cookie(cookies, (SoupCookie *)e->data);

g_slist_free(l);

lockcookie = FALSE;

g_object_unref(jar);

}

void

resize(GtkWidget *w, GtkAllocation *a, Client *c) {

double zoom;

if(c->zoomed)

return;

zoom = webkit_web_view_get_zoom_level(c->view);

if(a->width * a->height < 300 * 400 && zoom != 0.2)

webkit_web_view_set_zoom_level(c->view, 0.2);

else if(zoom != 1.0)

webkit_web_view_set_zoom_level(c->view, 1.0);

}

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

setatom(Client *c, Atom a, const char *v) {

XSync(dpy, False);

ignorexprop++;

XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window), a,

XA_STRING, 8, PropModeReplace, (unsigned char *)v,

strlen(v) + 1);

}

void

setup(void) {

SoupSession *s;

char *proxy;

char *new_proxy;

SoupURI *puri;

/* 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();

uriprop = XInternAtom(dpy, "_SURF_URI", False);

findprop = XInternAtom(dpy, "_SURF_FIND", False);

/* create dirs and files */

cookiefile = buildpath(cookiefile);

dldir = buildpath(dldir);

scriptfile = buildpath(scriptfile);

stylefile = buildpath(stylefile);

/* cookie persistance */

s = webkit_get_default_session();

cookies = soup_cookie_jar_new();

soup_session_add_feature(s, SOUP_SESSION_FEATURE(cookies));

g_signal_connect(cookies, "changed", G_CALLBACK(changecookie), NULL);

if((proxy = getenv("http_proxy")) && strcmp(proxy, "")) {

new_proxy = g_strrstr(proxy, "http://") ? g_strdup(proxy) :

g_strdup_printf("http://%s", proxy);

puri = soup_uri_new(new_proxy);

g_object_set(G_OBJECT(s), "proxy-uri", puri, NULL);

soup_uri_free(puri);

g_free(new_proxy);

}

reloadcookies();

}

void

sigchld(int unused) {

if(signal(SIGCHLD, sigchld) == SIG_ERR)

die("Can't install SIGCHLD handler");

while(0 < waitpid(-1, NULL, WNOHANG));

}

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

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, "surf: execvp %s", ((char **)arg->v)[0]);

perror(" failed");

exit(0);

}

}

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

titlechange(WebKitWebView *v, WebKitWebFrame *f, const char *t, Client *c) {

c->title = copystr(&c->title, t);

update(c);

}

void

update(Client *c) {

char *t;

if(c->progress != 100)

t = g_strdup_printf("[%i%%] %s", c->progress, c->title);

else if(c->linkhover)

t = g_strdup(c->linkhover);

else

t = g_strdup(c->title);

drawindicator(c);

gtk_window_set_title(GTK_WINDOW(c->win), t);

g_free(t);

}

void

updatedownload(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);

}

void

updatewinid(Client *c) {

snprintf(winid, LENGTH(winid), "%u",

(int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));

}

void

usage(void) {

fputs("surf - simple browser\n", stderr);

die("usage: surf [-e Window] [-x] [uri]\n");

}

void

windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js, JSObjectRef win, Client *c) {

JSStringRef jsscript;

char *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) {

c->zoomed = TRUE;

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 */

c->zoomed = FALSE;

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;

}