Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
378 lines (306 sloc) 8.39 KB
/*
* Copyright (c) 2012 Elias Norberg <xyzzy@kudzu.se>
* Copyright (c) 2012 Josh Rickmar <jrick@devio.us>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <xombrero.h>
#if WEBKIT_CHECK_VERSION(1, 5, 0)
/* we got the DOM API we need */
struct edit_src_cb_args {
WebKitWebFrame *frame;
WebKitWebDataSource *data_src;
};
struct external_editor_args {
GPid child_pid;
char *path;
time_t mtime;
struct tab *tab;
int (*callback)(const char *,gpointer);
gpointer cb_data;
};
int
update_contents(struct external_editor_args *args)
{
struct stat st;
int fd = -1;
int rv, nb;
GString *contents = NULL;
char buf[XT_EE_BUFSZ];
rv = stat(args->path, &st);
if (rv == -1 && errno == ENOENT)
return (1);
else if (rv == 0 && st.st_mtime > args->mtime) {
DPRINTF("File %s has been modified\n", args->path);
args->mtime = st.st_mtime;
contents = g_string_sized_new(XT_EE_BUFSZ);
fd = open(args->path, O_RDONLY);
if (fd == -1) {
DPRINTF("open_external_editor_cb, open error, %s\n",
strerror(errno));
goto done;
}
for (;;) {
nb = read(fd, buf, XT_EE_BUFSZ);
if (nb < 0) {
g_string_free(contents, TRUE);
show_oops(args->tab, strerror(errno));
goto done;
}
buf[nb] = '\0';
contents = g_string_append(contents, buf);
if (nb < XT_EE_BUFSZ)
break;
}
close(fd);
DPRINTF("external_editor_cb: contents updated\n");
if (args->callback)
args->callback(contents->str, args->cb_data);
g_string_free(contents, TRUE);
return (0);
}
done:
if (fd != -1)
close(fd);
return (0);
}
void
external_editor_closed(GPid pid, gint status, gpointer data)
{
struct external_editor_args *args;
struct tab *t;
int found_tab = 0;
args = (struct external_editor_args *)data;
TAILQ_FOREACH(t, &tabs, entry)
if (t == args->tab) {
found_tab = 1;
break;
}
/* Tab was deleted */
if (!found_tab)
goto done;
/*
* unfortunately we can't check the exit status in glib < 2.34,
* otherwise a check and warning would be nice here
*/
update_contents(args);
done:
unlink(args->path);
g_spawn_close_pid(pid);
}
int
open_external_editor_cb(gpointer data)
{
struct external_editor_args *args;
struct tab *t;
int found_tab = 0;
args = (struct external_editor_args*)data;
/* Check if tab is still open */
TAILQ_FOREACH(t, &tabs, entry)
if (t == args->tab) {
found_tab = 1;
break;
}
/* Tab was deleted */
if (!found_tab)
goto done;
if (update_contents(args))
goto done;
return (1);
done:
/* cleanup and remove from event loop */
g_free(args->path);
g_free(args->cb_data);
g_free(args);
return (0);
}
int
open_external_editor(struct tab *t, const char *contents,
int (*callback)(const char *, gpointer), gpointer cb_data)
{
struct stat st;
struct external_editor_args *a;
GPid pid;
char *cmdstr;
char filename[PATH_MAX];
char **sv;
int fd;
int nb, rv;
int cnt;
if (external_editor == NULL)
return (0);
snprintf(filename, sizeof filename, "%s" PS "xombreroXXXXXX", temp_dir);
/* Create a temporary file */
fd = g_mkstemp(filename);
if (fd == -1) {
show_oops(t, "Cannot create temporary file");
return (1);
}
nb = 0;
while (contents && nb < strlen(contents)) {
if (strlen(contents) - nb > XT_EE_BUFSZ)
cnt = XT_EE_BUFSZ;
else
cnt = strlen(contents) - nb;
rv = write(fd, contents+nb, cnt);
if (rv < 0) {
close(fd);
show_oops(t,strerror(errno));
return (1);
}
nb += rv;
}
rv = fstat(fd, &st);
if (rv == -1) {
close(fd);
show_oops(t,"Cannot stat file: %s\n", strerror(errno));
return (1);
}
close(fd);
DPRINTF("edit_src: external_editor: %s\n", external_editor);
sv = g_strsplit(external_editor, "<file>", -1);
cmdstr = g_strjoinv(filename, sv);
g_strfreev(sv);
sv = g_strsplit_set(cmdstr, " \t", -1);
if (!g_spawn_async(NULL, sv, NULL,
(G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD), NULL, NULL, &pid,
NULL)) {
show_oops(t, "%s: could not spawn process");
g_strfreev(sv);
g_free(cmdstr);
return (1);
}
g_strfreev(sv);
g_free(cmdstr);
a = g_malloc(sizeof(struct external_editor_args));
a->child_pid = pid;
a->path = g_strdup(filename);
a->tab = t;
a->mtime = st.st_mtime;
a->callback = callback;
a->cb_data = cb_data;
/* Check every 100 ms if file has changed */
g_timeout_add(100, (GSourceFunc)open_external_editor_cb,
(gpointer)a);
/* Stop loop child has terminated */
g_child_watch_add(pid, external_editor_closed, (gpointer)a);
return (0);
}
int
edit_src_cb(const char *contents, gpointer data)
{
struct edit_src_cb_args *args;
args = (struct edit_src_cb_args *)data;
webkit_web_frame_load_string(args->frame, contents, NULL,
webkit_web_data_source_get_encoding(args->data_src),
webkit_web_frame_get_uri(args->frame));
return (0);
}
int
edit_src(struct tab *t, struct karg *args)
{
WebKitWebFrame *frame;
WebKitWebDataSource *ds;
GString *contents;
struct edit_src_cb_args *ext_args;
if (external_editor == NULL){
show_oops(t,"Setting external_editor not set");
return (1);
}
frame = webkit_web_view_get_focused_frame(t->wv);
ds = webkit_web_frame_get_data_source(frame);
if (webkit_web_data_source_is_loading(ds)) {
show_oops(t,"Webpage is still loading.");
return (1);
}
contents = webkit_web_data_source_get_data(ds);
if (!contents)
show_oops(t,"No contents - opening empty file");
ext_args = g_malloc(sizeof(struct edit_src_cb_args));
ext_args->frame = frame;
ext_args->data_src = ds;
/* Check every 100 ms if file has changed */
open_external_editor(t, contents ? contents->str : "", &edit_src_cb,
ext_args);
return (0);
}
struct edit_element_cb_args {
WebKitDOMElement *active;
struct tab *tab;
};
int
edit_element_cb(const char *contents, gpointer data)
{
struct edit_element_cb_args *args;
WebKitDOMHTMLTextAreaElement *ta;
WebKitDOMHTMLInputElement *el;
args = (struct edit_element_cb_args*)data;
if (!args || !args->active)
return (0);
el = (WebKitDOMHTMLInputElement*)args->active;
ta = (WebKitDOMHTMLTextAreaElement*)args->active;
if (WEBKIT_DOM_IS_HTML_INPUT_ELEMENT(el))
webkit_dom_html_input_element_set_value(el, contents);
else if (WEBKIT_DOM_IS_HTML_TEXT_AREA_ELEMENT(ta))
webkit_dom_html_text_area_element_set_value(ta, contents);
return (0);
}
int
edit_element(struct tab *t, struct karg *a)
{
WebKitDOMHTMLDocument *doc;
WebKitDOMElement *active_element;
WebKitDOMHTMLTextAreaElement *ta;
WebKitDOMHTMLInputElement *el;
char *contents;
struct edit_element_cb_args *args;
if (external_editor == NULL){
show_oops(t,"Setting external_editor not set");
return (0);
}
doc = (WebKitDOMHTMLDocument*)webkit_web_view_get_dom_document(t->wv);
active_element = webkit_dom_html_document_get_active_element(doc);
el = (WebKitDOMHTMLInputElement*)active_element;
ta = (WebKitDOMHTMLTextAreaElement*)active_element;
if (doc == NULL || active_element == NULL ||
(WEBKIT_DOM_IS_HTML_INPUT_ELEMENT(el) == 0 &&
WEBKIT_DOM_IS_HTML_TEXT_AREA_ELEMENT(ta) == 0)) {
show_oops(t, "No active text element!");
return (1);
}
contents = "";
if (WEBKIT_DOM_IS_HTML_INPUT_ELEMENT(el))
contents = webkit_dom_html_input_element_get_value(el);
else if (WEBKIT_DOM_IS_HTML_TEXT_AREA_ELEMENT(ta))
contents = webkit_dom_html_text_area_element_get_value(ta);
if ((args = g_malloc(sizeof(struct edit_element_cb_args))) == NULL)
return (1);
args->tab = t;
args->active = active_element;
open_external_editor(t, contents, &edit_element_cb, args);
return (0);
}
#else /* Just to make things compile. */
int
edit_element(struct tab *t, struct karg *a)
{
show_oops(t, "external editor feature requires webkit >= 1.5.0");
return (1);
}
int
edit_src(struct tab *t, struct karg *args)
{
show_oops(t, "external editor feature requires webkit >= 1.5.0");
return (1);
}
#endif
You can’t perform that action at this time.