mirror of git://git.suckless.org/surf
140 lines
3.2 KiB
C
140 lines
3.2 KiB
C
#include <sys/socket.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <inttypes.h>
|
|
#include <limits.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <gio/gio.h>
|
|
#include <gio/gunixfdlist.h>
|
|
#include <webkit2/webkit-web-extension.h>
|
|
#include <webkitdom/webkitdom.h>
|
|
#include <webkitdom/WebKitDOMDOMWindowUnstable.h>
|
|
|
|
#include "common.h"
|
|
|
|
#define LENGTH(x) (sizeof(x) / sizeof(x[0]))
|
|
|
|
static WebKitWebExtension *webext;
|
|
static int sock;
|
|
|
|
static void
|
|
msgsurf(guint64 pageid, const char *s)
|
|
{
|
|
static char msg[MSGBUFSZ];
|
|
size_t sln = strlen(s);
|
|
int ret;
|
|
|
|
if ((ret = snprintf(msg, sizeof(msg), "%c%s", pageid, s))
|
|
>= sizeof(msg)) {
|
|
fprintf(stderr, "webext: msg: message too long: %d\n", ret);
|
|
return;
|
|
}
|
|
|
|
if (send(sock, msg, ret, 0) < 0)
|
|
fprintf(stderr, "webext: error sending: %s\n", msg+1);
|
|
}
|
|
|
|
static gboolean
|
|
readsock(GIOChannel *s, GIOCondition c, gpointer unused)
|
|
{
|
|
static char js[48], msg[MSGBUFSZ];
|
|
WebKitWebPage *page;
|
|
JSCContext *jsc;
|
|
GError *gerr = NULL;
|
|
gsize msgsz;
|
|
|
|
if (g_io_channel_read_chars(s, msg, sizeof(msg), &msgsz, &gerr) !=
|
|
G_IO_STATUS_NORMAL) {
|
|
if (gerr) {
|
|
fprintf(stderr, "webext: error reading socket: %s\n",
|
|
gerr->message);
|
|
g_error_free(gerr);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
if (msgsz < 2) {
|
|
fprintf(stderr, "webext: readsock: message too short: %d\n",
|
|
msgsz);
|
|
return TRUE;
|
|
}
|
|
|
|
if (!(page = webkit_web_extension_get_page(webext, msg[0])))
|
|
return TRUE;
|
|
|
|
jsc = webkit_frame_get_js_context(webkit_web_page_get_main_frame(page));
|
|
|
|
switch (msg[1]) {
|
|
case 'h':
|
|
if (msgsz != 3)
|
|
return TRUE;
|
|
snprintf(js, sizeof(js),
|
|
"window.scrollBy(window.innerWidth/100*%d,0);",
|
|
msg[2]);
|
|
jsc_context_evaluate(jsc, js, -1);
|
|
break;
|
|
case 'v':
|
|
if (msgsz != 3)
|
|
return TRUE;
|
|
snprintf(js, sizeof(js),
|
|
"window.scrollBy(0,window.innerHeight/100*%d);",
|
|
msg[2]);
|
|
jsc_context_evaluate(jsc, js, -1);
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
pageusermessagereply(GObject *o, GAsyncResult *r, gpointer page)
|
|
{
|
|
WebKitUserMessage *m;
|
|
GUnixFDList *gfd;
|
|
GIOChannel *gchansock;
|
|
const char *name;
|
|
int nfd;
|
|
|
|
m = webkit_web_page_send_message_to_view_finish(page, r, NULL);
|
|
name = webkit_user_message_get_name(m);
|
|
if (strcmp(name, "surf-pipe") != 0) {
|
|
fprintf(stderr, "webext-surf: Unknown User Reply: %s\n", name);
|
|
return;
|
|
}
|
|
|
|
gfd = webkit_user_message_get_fd_list(m);
|
|
if ((nfd = g_unix_fd_list_get_length(gfd)) != 1) {
|
|
fprintf(stderr, "webext-surf: Too many file-descriptors: %d\n", nfd);
|
|
return;
|
|
}
|
|
|
|
sock = g_unix_fd_list_get(gfd, 0, NULL);
|
|
|
|
gchansock = g_io_channel_unix_new(sock);
|
|
g_io_channel_set_encoding(gchansock, NULL, NULL);
|
|
g_io_channel_set_flags(gchansock, g_io_channel_get_flags(gchansock)
|
|
| G_IO_FLAG_NONBLOCK, NULL);
|
|
g_io_channel_set_close_on_unref(gchansock, TRUE);
|
|
g_io_add_watch(gchansock, G_IO_IN, readsock, NULL);
|
|
}
|
|
|
|
void
|
|
pagecreated(WebKitWebExtension *e, WebKitWebPage *p, gpointer unused)
|
|
{
|
|
WebKitUserMessage *msg;
|
|
|
|
msg = webkit_user_message_new("page-created", NULL);
|
|
webkit_web_page_send_message_to_view(p, msg, NULL, pageusermessagereply, p);
|
|
}
|
|
|
|
G_MODULE_EXPORT void
|
|
webkit_web_extension_initialize(WebKitWebExtension *e)
|
|
{
|
|
webext = e;
|
|
|
|
g_signal_connect(G_OBJECT(e), "page-created",
|
|
G_CALLBACK(pagecreated), NULL);
|
|
}
|