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Simplify communication with webext

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This commit is contained in:
Quentin Rameau 2020-05-02 15:50:50 +02:00
parent 5f81d4a99f
commit 55c65b21f6
2 changed files with 30 additions and 58 deletions
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10
surf.c
View File

@ -7,6 +7,7 @@
#include <sys/types.h> #include <sys/types.h>
#include <sys/wait.h> #include <sys/wait.h>
#include <glib.h> #include <glib.h>
#include <inttypes.h>
#include <libgen.h> #include <libgen.h>
#include <limits.h> #include <limits.h>
#include <pwd.h> #include <pwd.h>
@ -107,7 +108,7 @@ typedef struct Client {
GTlsCertificate *cert, *failedcert; GTlsCertificate *cert, *failedcert;
GTlsCertificateFlags tlserr; GTlsCertificateFlags tlserr;
Window xid; Window xid;
unsigned long pageid; guint64 pageid;
int progress, fullscreen, https, insecure, errorpage; int progress, fullscreen, https, insecure, errorpage;
const char *title, *overtitle, *targeturi; const char *title, *overtitle, *targeturi;
const char *needle; const char *needle;
@ -366,7 +367,8 @@ setup(void)
} else { } else {
gchanin = g_io_channel_unix_new(spair[0]); gchanin = g_io_channel_unix_new(spair[0]);
g_io_channel_set_encoding(gchanin, NULL, NULL); g_io_channel_set_encoding(gchanin, NULL, NULL);
g_io_channel_set_flags(gchanin, G_IO_FLAG_NONBLOCK, NULL); g_io_channel_set_flags(gchanin, g_io_channel_get_flags(gchanin)
| G_IO_FLAG_NONBLOCK, NULL);
g_io_channel_set_close_on_unref(gchanin, TRUE); g_io_channel_set_close_on_unref(gchanin, TRUE);
g_io_add_watch(gchanin, G_IO_IN, readsock, NULL); g_io_add_watch(gchanin, G_IO_IN, readsock, NULL);
} }
@ -1446,7 +1448,7 @@ createwindow(Client *c)
gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf"); gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf");
g_free(wmstr); g_free(wmstr);
wmstr = g_strdup_printf("%s[%lu]", "Surf", c->pageid); wmstr = g_strdup_printf("%s[%"PRIu64"]", "Surf", c->pageid);
gtk_window_set_role(GTK_WINDOW(w), wmstr); gtk_window_set_role(GTK_WINDOW(w), wmstr);
g_free(wmstr); g_free(wmstr);
@ -1885,7 +1887,7 @@ msgext(Client *c, char type, const Arg *a)
} }
if (send(spair[0], msg, ret, 0) != ret) if (send(spair[0], msg, ret, 0) != ret)
fprintf(stderr, "surf: error sending: %d%c%d (%dB)\n", fprintf(stderr, "surf: error sending: %u%c%d (%d)\n",
c->pageid, type, a->i, ret); c->pageid, type, a->i, ret);
} }

78
webext-surf.c
View File

@ -1,6 +1,7 @@
#include <sys/socket.h> #include <sys/socket.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <fcntl.h> #include <fcntl.h>
#include <inttypes.h>
#include <limits.h> #include <limits.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -14,42 +15,17 @@
#define LENGTH(x) (sizeof(x) / sizeof(x[0])) #define LENGTH(x) (sizeof(x) / sizeof(x[0]))
typedef struct Page { static WebKitWebExtension *webext;
guint64 id;
WebKitWebPage *webpage;
struct Page *next;
} Page;
static int sock; static int sock;
static Page *pages;
Page *
newpage(WebKitWebPage *page)
{
Page *p;
if (!(p = calloc(1, sizeof(Page)))) {
fputs("Cannot malloc!\n", stderr);
exit(1);
}
p->next = pages;
pages = p;
p->id = webkit_web_page_get_id(page);
p->webpage = page;
return p;
}
static void static void
msgsurf(Page *p, const char *s) msgsurf(guint64 pageid, const char *s)
{ {
static char msg[MSGBUFSZ]; static char msg[MSGBUFSZ];
size_t sln = strlen(s); size_t sln = strlen(s);
int ret; int ret;
if ((ret = snprintf(msg, sizeof(msg), "%c%s", p ? p->id : 0, s)) if ((ret = snprintf(msg, sizeof(msg), "%c%s", pageid, s))
>= sizeof(msg)) { >= sizeof(msg)) {
fprintf(stderr, "webext: msg: message too long: %d\n", ret); fprintf(stderr, "webext: msg: message too long: %d\n", ret);
return; return;
@ -62,14 +38,13 @@ msgsurf(Page *p, const char *s)
static gboolean static gboolean
readsock(GIOChannel *s, GIOCondition c, gpointer unused) readsock(GIOChannel *s, GIOCondition c, gpointer unused)
{ {
static char msg[MSGBUFSZ]; static char js[48], msg[MSGBUFSZ];
WebKitDOMDOMWindow *view; WebKitWebPage *page;
JSCContext *jsc;
GError *gerr = NULL; GError *gerr = NULL;
gsize msgsz; gsize msgsz;
glong wh, ww;
Page *p;
if (g_io_channel_read_chars(s, msg, LENGTH(msg), &msgsz, &gerr) != if (g_io_channel_read_chars(s, msg, sizeof(msg), &msgsz, &gerr) !=
G_IO_STATUS_NORMAL) { G_IO_STATUS_NORMAL) {
if (gerr) { if (gerr) {
fprintf(stderr, "webext: error reading socket: %s\n", fprintf(stderr, "webext: error reading socket: %s\n",
@ -85,52 +60,47 @@ readsock(GIOChannel *s, GIOCondition c, gpointer unused)
return TRUE; return TRUE;
} }
for (p = pages; p; p = p->next) { if (!(page = webkit_web_extension_get_page(webext, msg[0])))
if (p->id == msg[0])
break;
}
if (!p || !(view = webkit_dom_document_get_default_view(
webkit_web_page_get_dom_document(p->webpage))))
return TRUE; return TRUE;
jsc = webkit_frame_get_js_context(webkit_web_page_get_main_frame(page));
switch (msg[1]) { switch (msg[1]) {
case 'h': case 'h':
if (msgsz != 3) if (msgsz != 3)
return TRUE; return TRUE;
ww = webkit_dom_dom_window_get_inner_width(view); snprintf(js, sizeof(js),
webkit_dom_dom_window_scroll_by(view, "window.scrollBy(window.innerWidth/100*%d,0);",
(ww / 100) * msg[2], 0); msg[2]);
jsc_context_evaluate(jsc, js, -1);
break; break;
case 'v': case 'v':
if (msgsz != 3) if (msgsz != 3)
return TRUE; return TRUE;
wh = webkit_dom_dom_window_get_inner_height(view); snprintf(js, sizeof(js),
webkit_dom_dom_window_scroll_by(view, "window.scrollBy(0,window.innerHeight/100*%d);",
0, (wh / 100) * msg[2]); msg[2]);
jsc_context_evaluate(jsc, js, -1);
break; break;
} }
return TRUE; return TRUE;
} }
static void
webpagecreated(WebKitWebExtension *e, WebKitWebPage *wp, gpointer unused)
{
Page *p = newpage(wp);
}
G_MODULE_EXPORT void G_MODULE_EXPORT void
webkit_web_extension_initialize_with_user_data(WebKitWebExtension *e, GVariant *gv) webkit_web_extension_initialize_with_user_data(WebKitWebExtension *e,
const GVariant *gv)
{ {
GIOChannel *gchansock; GIOChannel *gchansock;
g_signal_connect(e, "page-created", G_CALLBACK(webpagecreated), NULL); webext = e;
g_variant_get(gv, "i", &sock); g_variant_get(gv, "i", &sock);
gchansock = g_io_channel_unix_new(sock); gchansock = g_io_channel_unix_new(sock);
g_io_channel_set_encoding(gchansock, NULL, NULL); g_io_channel_set_encoding(gchansock, NULL, NULL);
g_io_channel_set_flags(gchansock, G_IO_FLAG_NONBLOCK, 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_channel_set_close_on_unref(gchansock, TRUE);
g_io_add_watch(gchansock, G_IO_IN, readsock, NULL); g_io_add_watch(gchansock, G_IO_IN, readsock, NULL);
} }