surf/surf.c
2013-01-26 16:00:52 +01:00

1213 lines
30 KiB
C

/* 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 <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <webkit/webkit.h>
#include <glib/gstdio.h>
#include <JavaScriptCore/JavaScript.h>
#include <sys/file.h>
#include <libgen.h>
#include <stdarg.h>
#include "arg.h"
char *argv0;
#define LENGTH(x) (sizeof x / sizeof x[0])
#define CLEANMASK(mask) (mask & (MODKEY|GDK_SHIFT_MASK))
#define COOKIEJAR_TYPE (cookiejar_get_type ())
#define COOKIEJAR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), COOKIEJAR_TYPE, CookieJar))
enum { AtomFind, AtomGo, AtomUri, AtomLast };
typedef union Arg Arg;
union Arg {
gboolean b;
gint i;
const void *v;
};
typedef struct Client {
GtkWidget *win, *scroll, *vbox, *indicator;
WebKitWebView *view;
WebKitWebInspector *inspector;
char *title, *linkhover;
const char *uri, *needle;
gint progress;
struct Client *next;
gboolean zoomed, fullscreen, isinspector, sslfailed;
} 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;
typedef struct {
SoupCookieJarText parent_instance;
int lock;
} CookieJar;
typedef struct {
SoupCookieJarTextClass parent_class;
} CookieJarClass;
G_DEFINE_TYPE(CookieJar, cookiejar, SOUP_TYPE_COOKIE_JAR_TEXT)
static Display *dpy;
static Atom atoms[AtomLast];
static Client *clients = NULL;
static GdkNativeWindow embed = 0;
static gboolean showxid = FALSE;
static char winid[64];
static gboolean usingproxy = 0;
static char togglestat[5];
static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
WebKitWebResource *r, WebKitNetworkRequest *req,
WebKitNetworkResponse *resp, gpointer d);
static char *buildpath(const char *path);
static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e,
GList *gl);
static void cleanup(void);
static void clipboard(Client *c, const Arg *arg);
static void cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
SoupCookie *new_cookie);
static void cookiejar_finalize(GObject *self);
static SoupCookieJar *cookiejar_new(const char *filename, gboolean read_only);
static void cookiejar_set_property(GObject *self, guint prop_id,
const GValue *value, GParamSpec *pspec);
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(const char *errstr, ...);
static void drawindicator(Client *c);
static void eval(Client *c, const Arg *arg);
static gboolean exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c);
static void find(Client *c, const Arg *arg);
static void fullscreen(Client *c, const Arg *arg);
static const char *getatom(Client *c, int a);
static void gettogglestat(Client *c);
static char *geturi(Client *c);
static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
static void inspector(Client *c, const Arg *arg);
static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
Client *c);
static gboolean inspector_show(WebKitWebInspector *i, Client *c);
static gboolean inspector_close(WebKitWebInspector *i, Client *c);
static void inspector_finished(WebKitWebInspector *i, 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 loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
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, gboolean noembed);
static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
static void populatepopup(WebKitWebView *web, GtkMenu *menu, Client *c);
static void popupactivate(GtkMenuItem *menu, Client *);
static void print(Client *c, const Arg *arg);
static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
gpointer d);
static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
static void reload(Client *c, const Arg *arg);
static void scroll_h(Client *c, const Arg *arg);
static void scroll_v(Client *c, const Arg *arg);
static void scroll(GtkAdjustment *a, const Arg *arg);
static void setatom(Client *c, int 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 toggle(Client *c, const Arg *arg);
static void update(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"
static void
beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
gpointer d) {
const gchar *uri = webkit_network_request_get_uri(req);
if(g_str_has_suffix(uri, "/favicon.ico"))
webkit_network_request_set_uri(req, "about:blank");
}
static char *
buildpath(const char *path) {
char *apath, *p;
FILE *f;
/* creating directory */
if(path[0] == '/') {
apath = g_strdup(path);
} else if(path[0] == '~') {
if(path[1] == '/') {
apath = g_strconcat(g_get_home_dir(), &path[1], NULL);
} else {
apath = g_strconcat(g_get_home_dir(), "/",
&path[1], NULL);
}
} else {
apath = g_strconcat(g_get_current_dir(), "/", path, NULL);
}
if((p = strrchr(apath, '/'))) {
*p = '\0';
g_mkdir_with_parents(apath, 0700);
g_chmod(apath, 0700); /* in case it existed */
*p = '/';
}
/* creating file (gives error when apath ends with "/") */
if((f = fopen(apath, "a"))) {
g_chmod(apath, 0600); /* always */
fclose(f);
}
return apath;
}
static gboolean
buttonrelease(WebKitWebView *web, GdkEventButton *e, GList *gl) {
WebKitHitTestResultContext context;
WebKitHitTestResult *result = webkit_web_view_get_hit_test_result(web,
e);
Arg arg;
g_object_get(result, "context", &context, NULL);
if(context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK) {
if(e->button == 2) {
g_object_get(result, "link-uri", &arg.v, NULL);
newwindow(NULL, &arg, e->state & GDK_CONTROL_MASK);
return true;
}
}
return false;
}
static void
cleanup(void) {
while(clients)
destroyclient(clients);
g_free(cookiefile);
g_free(scriptfile);
g_free(stylefile);
}
static void
cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
SoupCookie *new_cookie) {
flock(COOKIEJAR(self)->lock, LOCK_EX);
if(new_cookie && !new_cookie->expires && sessiontime) {
soup_cookie_set_expires(new_cookie,
soup_date_new_from_now(sessiontime));
}
SOUP_COOKIE_JAR_CLASS(cookiejar_parent_class)->changed(self,
old_cookie, new_cookie);
flock(COOKIEJAR(self)->lock, LOCK_UN);
}
static void
cookiejar_class_init(CookieJarClass *klass) {
SOUP_COOKIE_JAR_CLASS(klass)->changed = cookiejar_changed;
G_OBJECT_CLASS(klass)->get_property =
G_OBJECT_CLASS(cookiejar_parent_class)->get_property;
G_OBJECT_CLASS(klass)->set_property = cookiejar_set_property;
G_OBJECT_CLASS(klass)->finalize = cookiejar_finalize;
g_object_class_override_property(G_OBJECT_CLASS(klass), 1, "filename");
}
static void
cookiejar_finalize(GObject *self) {
close(COOKIEJAR(self)->lock);
G_OBJECT_CLASS(cookiejar_parent_class)->finalize(self);
}
static void
cookiejar_init(CookieJar *self) {
self->lock = open(cookiefile, 0);
}
static SoupCookieJar *
cookiejar_new(const char *filename, gboolean read_only) {
return g_object_new(COOKIEJAR_TYPE,
SOUP_COOKIE_JAR_TEXT_FILENAME, filename,
SOUP_COOKIE_JAR_READ_ONLY, read_only, NULL);
}
static void
cookiejar_set_property(GObject *self, guint prop_id, const GValue *value,
GParamSpec *pspec) {
flock(COOKIEJAR(self)->lock, LOCK_SH);
G_OBJECT_CLASS(cookiejar_parent_class)->set_property(self, prop_id,
value, pspec);
flock(COOKIEJAR(self)->lock, LOCK_UN);
}
static void
evalscript(JSContextRef js, char *script, char* scriptname) {
JSStringRef jsscript, jsscriptname;
JSValueRef exception = NULL;
jsscript = JSStringCreateWithUTF8CString(script);
jsscriptname = JSStringCreateWithUTF8CString(scriptname);
JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js), jsscriptname, 0, &exception);
JSStringRelease(jsscript);
JSStringRelease(jsscriptname);
}
static void
runscript(WebKitWebFrame *frame) {
char *script;
GError *error;
if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
evalscript(webkit_web_frame_get_global_context(frame), script, scriptfile);
}
}
static 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);
}
static char *
copystr(char **str, const char *src) {
char *tmp;
tmp = g_strdup(src);
if(str && *str) {
g_free(*str);
*str = tmp;
}
return tmp;
}
static WebKitWebView *
createwindow(WebKitWebView *v, WebKitWebFrame *f, Client *c) {
Client *n = newclient();
return n->view;
}
static 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;
}
static 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, 0);
return TRUE;
}
return FALSE;
}
static void
destroyclient(Client *c) {
Client *p;
webkit_web_view_stop_loading(c->view);
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(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();
}
static void
destroywin(GtkWidget* w, Client *c) {
destroyclient(c);
}
static void
die(const char *errstr, ...) {
va_list ap;
va_start(ap, errstr);
vfprintf(stderr, errstr, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
static void
drawindicator(Client *c) {
gint width;
const char *uri;
char *colorname;
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);
if(strstr(uri, "https://") == uri) {
if(usingproxy) {
colorname = c->sslfailed? progress_proxy_untrust :
progress_proxy_trust;
} else {
colorname = c->sslfailed? progress_untrust :
progress_trust;
}
} else {
if(usingproxy) {
colorname = progress_proxy;
} else {
colorname = progress;
}
}
gdk_color_parse(colorname, &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);
}
static gboolean
exposeindicator(GtkWidget *w, GdkEventExpose *e, Client *c) {
drawindicator(c);
return TRUE;
}
static void
find(Client *c, const Arg *arg) {
const char *s;
s = getatom(c, AtomFind);
gboolean forward = *(gboolean *)arg;
webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
}
static void
fullscreen(Client *c, const Arg *arg) {
if(c->fullscreen) {
gtk_window_unfullscreen(GTK_WINDOW(c->win));
} else {
gtk_window_fullscreen(GTK_WINDOW(c->win));
}
c->fullscreen = !c->fullscreen;
}
static const char *
getatom(Client *c, int 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),
atoms[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;
}
static char *
geturi(Client *c) {
char *uri;
if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
uri = "about:blank";
return uri;
}
static gboolean
initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
Arg arg;
updatewinid(c);
arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
spawn(c, &arg);
return FALSE;
}
static void
inspector(Client *c, const Arg *arg) {
if(c->isinspector)
return;
webkit_web_inspector_show(c->inspector);
}
static WebKitWebView *
inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c) {
Client *n = newclient();
n->isinspector = true;
return n->view;
}
static gboolean
inspector_show(WebKitWebInspector *i, Client *c) {
gtk_widget_show(GTK_WIDGET(webkit_web_inspector_get_web_view(i)));
return true;
}
static gboolean
inspector_close(WebKitWebInspector *i, Client *c) {
gtk_widget_hide(GTK_WIDGET(webkit_web_inspector_get_web_view(i)));
return true;
}
static void
inspector_finished(WebKitWebInspector *i, Client *c) {
g_free(c->inspector);
}
static 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;
}
static 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);
}
static void
loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
WebKitWebFrame *frame;
WebKitWebDataSource *src;
WebKitNetworkRequest *request;
SoupMessage *msg;
char *uri;
switch(webkit_web_view_get_load_status (c->view)) {
case WEBKIT_LOAD_COMMITTED:
uri = geturi(c);
if(strstr(uri, "https://") == uri) {
frame = webkit_web_view_get_main_frame(c->view);
src = webkit_web_frame_get_data_source(frame);
request = webkit_web_data_source_get_request(src);
msg = webkit_network_request_get_message(request);
c->sslfailed = soup_message_get_flags(msg)
^ SOUP_MESSAGE_CERTIFICATE_TRUSTED;
}
setatom(c, AtomUri, uri);
break;
case WEBKIT_LOAD_FINISHED:
c->progress = 100;
update(c);
break;
default:
break;
}
}
static void
loaduri(Client *c, const Arg *arg) {
char *u, *rp;
const char *uri = (char *)arg->v;
Arg a = { .b = FALSE };
if(strcmp(uri, "") == 0)
return;
/* In case it's a file path. */
if(uri[0] == '/') {
rp = realpath(uri, NULL);
u = g_strdup_printf("file://%s", rp);
free(rp);
} else {
u = g_strrstr(uri, "://") ? g_strdup(uri)
: g_strdup_printf("http://%s", uri);
}
/* prevents endless loop */
if(c->uri && strcmp(u, c->uri) == 0) {
reload(c, &a);
} else {
webkit_web_view_load_uri(c->view, u);
c->progress = 0;
c->title = copystr(&c->title, u);
g_free(u);
update(c);
}
}
static void
navigate(Client *c, const Arg *arg) {
int steps = *(int *)arg;
webkit_web_view_go_back_or_forward(c->view, steps);
}
static Client *
newclient(void) {
Client *c;
WebKitWebSettings *settings;
WebKitWebFrame *frame;
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);
/* 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),
"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),
"window-object-cleared",
G_CALLBACK(windowobjectcleared), c);
g_signal_connect(G_OBJECT(c->view),
"notify::load-status",
G_CALLBACK(loadstatuschange), c);
g_signal_connect(G_OBJECT(c->view),
"notify::progress",
G_CALLBACK(progresschange), c);
g_signal_connect(G_OBJECT(c->view),
"download-requested",
G_CALLBACK(initdownload), c);
g_signal_connect(G_OBJECT(c->view),
"button-release-event",
G_CALLBACK(buttonrelease), c);
g_signal_connect(G_OBJECT(c->view),
"populate-popup",
G_CALLBACK(populatepopup), c);
g_signal_connect(G_OBJECT(c->view),
"resource-request-starting",
G_CALLBACK(beforerequest), c);
/* Indicator */
c->indicator = gtk_drawing_area_new();
gtk_widget_set_size_request(c->indicator, 0, indicator_thickness);
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->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);
frame = webkit_web_view_get_main_frame(c->view);
runscript(frame);
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_object_set(G_OBJECT(settings), "auto-load-images", loadimages,
NULL);
g_object_set(G_OBJECT(settings), "enable-plugins", enableplugins,
NULL);
g_object_set(G_OBJECT(settings), "enable-scripts", enablescripts,
NULL);
g_object_set(G_OBJECT(settings), "enable-spatial-navigation",
enablespatialbrowsing, NULL);
g_object_set(G_OBJECT(settings), "enable-developer-extras",
enableinspector, NULL);
if(enableinspector) {
c->inspector = WEBKIT_WEB_INSPECTOR(
webkit_web_view_get_inspector(c->view));
g_signal_connect(G_OBJECT(c->inspector), "inspect-web-view",
G_CALLBACK(inspector_new), c);
g_signal_connect(G_OBJECT(c->inspector), "show-window",
G_CALLBACK(inspector_show), c);
g_signal_connect(G_OBJECT(c->inspector), "close-window",
G_CALLBACK(inspector_close), c);
g_signal_connect(G_OBJECT(c->inspector), "finished",
G_CALLBACK(inspector_finished), c);
c->isinspector = false;
}
g_free(uri);
setatom(c, AtomFind, "");
setatom(c, AtomUri, "about:blank");
if(hidebackground)
webkit_web_view_set_transparent(c->view, TRUE);
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);
if (fclose(stdout) != 0) {
die("Error closing stdout");
}
}
return c;
}
static void
newwindow(Client *c, const Arg *arg, gboolean noembed) {
guint i = 0;
const char *cmd[10], *uri;
const Arg a = { .v = (void *)cmd };
char tmp[64];
cmd[i++] = argv0;
if(embed && !noembed) {
cmd[i++] = "-e";
snprintf(tmp, LENGTH(tmp), "%u\n", (int)embed);
cmd[i++] = tmp;
}
if(!enablescripts)
cmd[i++] = "-s";
if(!enableplugins)
cmd[i++] = "-p";
if(!loadimages)
cmd[i++] = "-i";
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);
}
static void
populatepopup(WebKitWebView *web, GtkMenu *menu, Client *c) {
GList *items = gtk_container_get_children(GTK_CONTAINER(menu));
for(GList *l = items; l; l = l->next) {
g_signal_connect(l->data, "activate", G_CALLBACK(popupactivate), c);
}
g_list_free(items);
}
static void
popupactivate(GtkMenuItem *menu, Client *c) {
/*
* context-menu-action-2000 open link
* context-menu-action-1 open link in window
* context-menu-action-2 download linked file
* context-menu-action-3 copy link location
* context-menu-action-13 reload
* context-menu-action-10 back
* context-menu-action-11 forward
* context-menu-action-12 stop
*/
GtkAction *a = NULL;
const char *name;
GtkClipboard *prisel;
a = gtk_activatable_get_related_action(GTK_ACTIVATABLE(menu));
if(a == NULL)
return;
name = gtk_action_get_name(a);
if(!g_strcmp0(name, "context-menu-action-3")) {
prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
gtk_clipboard_set_text(prisel, c->linkhover, -1);
}
}
static void
pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
Arg arg = {.v = text };
if(text != NULL)
loaduri((Client *) d, &arg);
}
static void
print(Client *c, const Arg *arg) {
webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
}
static 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(ev->state == PropertyNewValue) {
if(ev->atom == atoms[AtomFind]) {
arg.b = TRUE;
find(c, &arg);
return GDK_FILTER_REMOVE;
}
else if(ev->atom == atoms[AtomGo]) {
arg.v = getatom(c, AtomGo);
loaduri(c, &arg);
return GDK_FILTER_REMOVE;
}
}
}
return GDK_FILTER_CONTINUE;
}
static void
progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
c->progress = webkit_web_view_get_progress(c->view) * 100;
update(c);
}
static 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);
}
static void
scroll_h(Client *c, const Arg *arg) {
scroll(gtk_scrolled_window_get_hadjustment(
GTK_SCROLLED_WINDOW(c->scroll)), arg);
}
static void
scroll_v(Client *c, const Arg *arg) {
scroll(gtk_scrolled_window_get_vadjustment(
GTK_SCROLLED_WINDOW(c->scroll)), arg);
}
static void
scroll(GtkAdjustment *a, const Arg *arg) {
gdouble v;
v = gtk_adjustment_get_value(a);
switch (arg->i){
case +10000:
case -10000:
v += gtk_adjustment_get_page_increment(a) *
(arg->i / 10000);
break;
case +20000:
case -20000:
default:
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);
}
static void
setatom(Client *c, int a, const char *v) {
XSync(dpy, False);
XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
atoms[a], XA_STRING, 8, PropModeReplace,
(unsigned char *)v, strlen(v) + 1);
}
static void
setup(void) {
char *proxy;
char *new_proxy;
SoupURI *puri;
SoupSession *s;
/* clean up any zombies immediately */
sigchld(0);
gtk_init(NULL, NULL);
if (!g_thread_supported())
g_thread_init(NULL);
dpy = GDK_DISPLAY();
/* atoms */
atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
/* dirs and files */
cookiefile = buildpath(cookiefile);
scriptfile = buildpath(scriptfile);
stylefile = buildpath(stylefile);
/* request handler */
s = webkit_get_default_session();
/* cookie jar */
soup_session_add_feature(s,
SOUP_SESSION_FEATURE(cookiejar_new(cookiefile,
FALSE)));
/* ssl */
g_object_set(G_OBJECT(s), "ssl-ca-file", cafile, NULL);
g_object_set(G_OBJECT(s), "ssl-strict", strictssl, NULL);
/* proxy */
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);
usingproxy = 1;
}
}
static void
sigchld(int unused) {
if(signal(SIGCHLD, sigchld) == SIG_ERR)
die("Can't install SIGCHLD handler");
while(0 < waitpid(-1, NULL, WNOHANG));
}
static 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);
}
static 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);
}
}
static void
eval(Client *c, const Arg *arg) {
WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
evalscript(webkit_web_frame_get_global_context(frame),
((char **)arg->v)[0], "");
}
static void
stop(Client *c, const Arg *arg) {
webkit_web_view_stop_loading(c->view);
}
static void
titlechange(WebKitWebView *v, WebKitWebFrame *f, const char *t, Client *c) {
c->title = copystr(&c->title, t);
update(c);
}
static void
toggle(Client *c, const Arg *arg) {
WebKitWebSettings *settings;
char *name = (char *)arg->v;
gboolean value;
Arg a = { .b = FALSE };
settings = webkit_web_view_get_settings(c->view);
g_object_get(G_OBJECT(settings), name, &value, NULL);
g_object_set(G_OBJECT(settings), name, !value, NULL);
reload(c,&a);
}
static void
gettogglestat(Client *c){
gboolean value;
WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
g_object_get(G_OBJECT(settings), "enable-caret-browsing",
&value, NULL);
togglestat[0] = value? 'C': 'c';
g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
togglestat[1] = value? 'I': 'i';
g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
togglestat[2] = value? 'S': 's';
g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
togglestat[3] = value? 'V': 'v';
togglestat[4] = '\0';
}
static void
update(Client *c) {
char *t;
gettogglestat(c);
if(c->linkhover) {
t = g_strdup_printf("%s| %s", togglestat, c->linkhover);
} else if(c->progress != 100) {
drawindicator(c);
gtk_widget_show(c->indicator);
t = g_strdup_printf("[%i%%] %s| %s", c->progress, togglestat,
c->title);
} else {
gtk_widget_hide_all(c->indicator);
t = g_strdup_printf("%s| %s", togglestat, c->title);
}
gtk_window_set_title(GTK_WINDOW(c->win), t);
g_free(t);
}
static void
updatewinid(Client *c) {
snprintf(winid, LENGTH(winid), "%u",
(int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
}
static void
usage(void) {
die("usage: %s [-inpsvx] [-c cookiefile] [-e xid] [-r scriptfile]"
" [-t stylefile] [-u useragent] [uri]\n", basename(argv0));
}
static void
windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
JSObjectRef win, Client *c) {
runscript(frame);
}
static 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[]) {
Arg arg;
memset(&arg, 0, sizeof(arg));
/* command line args */
ARGBEGIN {
case 'c':
cookiefile = EARGF(usage());
break;
case 'e':
embed = strtol(EARGF(usage()), NULL, 0);
break;
case 'i':
loadimages = 0;
break;
case 'n':
enableinspector = 0;
break;
case 'p':
enableplugins = 0;
break;
case 'r':
scriptfile = EARGF(usage());
break;
case 's':
enablescripts = 0;
break;
case 't':
stylefile = EARGF(usage());
break;
case 'u':
useragent = EARGF(usage());
break;
case 'v':
die("surf-"VERSION", ©2009-2012 surf engineers, "
"see LICENSE for details\n");
case 'x':
showxid = TRUE;
break;
default:
usage();
} ARGEND;
if(argc > 0)
arg.v = argv[0];
setup();
newclient();
if(arg.v)
loaduri(clients, &arg);
gtk_main();
cleanup();
return EXIT_SUCCESS;
}