initial favicon support

svn path=/trunk/netsurf/; revision=12975
This commit is contained in:
Vincent Sanders 2011-10-06 23:31:55 +00:00
parent 3fde9589c1
commit 52ad2c1e25
6 changed files with 139 additions and 50 deletions

View File

@ -72,7 +72,7 @@ typedef enum {
CONTENT_MSG_REDRAW, /**< needs redraw (eg. new animation frame) */
CONTENT_MSG_REFRESH, /**< wants refresh */
CONTENT_MSG_DOWNLOAD, /**< download, not for display */
CONTENT_MSG_FAVICON_REFRESH, /**< favicon has been refreshed (eg. new animation frame) */
CONTENT_MSG_LINK, /**< RFC5988 link */
} content_msg;
/** Extra data for some content_msg messages. */
@ -96,6 +96,12 @@ union content_msg_data {
bool background;
/** Low-level cache handle, for CONTENT_MSG_DOWNLOAD */
struct llcache_handle *download;
/** rfc5988 link data CONTENT_MSG_RFC5988_LINK */
struct {
nsurl *url;
char *rel;
char *type;
} rfc5988_link;
};

View File

@ -80,7 +80,6 @@ static void browser_window_convert_to_download(struct browser_window *bw,
llcache_handle *stream);
static void browser_window_start_throbber(struct browser_window *bw);
static void browser_window_stop_throbber(struct browser_window *bw);
static void browser_window_set_icon(struct browser_window *bw);
static void browser_window_destroy_children(struct browser_window *bw);
static void browser_window_destroy_internal(struct browser_window *bw);
static void browser_window_set_scale_internal(struct browser_window *bw,
@ -878,6 +877,34 @@ void browser_window_go_post(struct browser_window *bw, const char *url,
nsurl_unref(nsref);
}
/**
* Callback for fetchcache() for browser window favicon fetches.
*/
static nserror browser_window_favicon_callback(hlcache_handle *c,
const hlcache_event *event, void *pw)
{
struct browser_window *bw = pw;
switch (event->type) {
case CONTENT_MSG_DONE:
LOG(("favicon contents for %p done!", bw));
/* content_get_bitmap on the bw->favicon should give
us the favicon at this point
*/
if (bw->window != NULL) {
gui_window_set_icon(bw->window, bw->favicon);
} else {
LOG(("null browser window on favicon!"));
}
break;
default:
LOG(("favicon unhandled event"));
break;
}
return NSERROR_OK;
}
/**
* Callback for fetchcache() for browser window fetches.
@ -935,6 +962,18 @@ nserror browser_window_callback(hlcache_handle *c,
hlcache_handle_release(bw->current_content);
}
if (bw->favicon != NULL) {
content_status status =
content_get_status(bw->favicon);
if (status == CONTENT_STATUS_READY ||
status == CONTENT_STATUS_DONE)
content_close(bw->favicon);
hlcache_handle_release(bw->favicon);
bw->favicon = NULL;
}
bw->current_content = c;
bw->loading_content = NULL;
@ -1001,7 +1040,32 @@ nserror browser_window_callback(hlcache_handle *c,
browser_window_update(bw, false);
browser_window_set_status(bw, content_get_status_message(c));
browser_window_stop_throbber(bw);
browser_window_set_icon(bw);
if (bw->favicon == NULL) {
/* no favicon via link - try for the default location - bletch */
nsurl *nsref = NULL;
nsurl *nsurl;
nserror error;
error = nsurl_join(content_get_url(c), "/favicon.ico", &nsurl);
if (error == NSERROR_OK) {
hlcache_handle_retrieve(nsurl,
HLCACHE_RETRIEVE_MAY_DOWNLOAD |
HLCACHE_RETRIEVE_SNIFF_TYPE,
nsref,
NULL,
browser_window_favicon_callback,
bw,
NULL,
CONTENT_IMAGE,
&bw->favicon);
nsurl_unref(nsurl);
}
}
history_update(bw->history, c);
hotlist_visited(c);
@ -1078,12 +1142,27 @@ nserror browser_window_callback(hlcache_handle *c,
bw->refresh_interval = event->data.delay * 100;
break;
case CONTENT_MSG_FAVICON_REFRESH:
/* Cause the GUI to update */
if (bw->browser_window_type == BROWSER_WINDOW_NORMAL) {
gui_window_set_icon(bw->window,
html_get_favicon(bw->current_content));
case CONTENT_MSG_LINK: /* content has an rfc5988 link element */
{
nsurl *nsref = NULL;
if ((bw->favicon == NULL) &&
(strstr(event->data.rfc5988_link.rel, "icon") != NULL)) {
/* its a favicon start a fetch for it */
LOG(("fetching favicon rel:%s '%s'",
event->data.rfc5988_link.rel,
nsurl_access(event->data.rfc5988_link.url)));
hlcache_handle_retrieve(event->data.rfc5988_link.url,
HLCACHE_RETRIEVE_MAY_DOWNLOAD |
HLCACHE_RETRIEVE_SNIFF_TYPE,
nsref,
NULL,
browser_window_favicon_callback,
bw,
NULL,
CONTENT_IMAGE,
&bw->favicon);
}
}
break;
default:
@ -1273,24 +1352,6 @@ bool browser_window_check_throbber(struct browser_window *bw)
return false;
}
/**
* when ready, set icon at top level
* \param bw browser_window
* current implementation ignores lower-levels' link rels completely
*/
void browser_window_set_icon(struct browser_window *bw)
{
while (bw->parent)
bw = bw->parent;
if (bw->current_content != NULL &&
content_get_type(bw->current_content) == CONTENT_HTML)
gui_window_set_icon(bw->window,
html_get_favicon(bw->current_content));
else
gui_window_set_icon(bw->window, NULL);
}
/**
* Redraw browser window, set extent to content, and update title.
*
@ -1663,6 +1724,18 @@ void browser_window_destroy_internal(struct browser_window *bw)
bw->current_content = NULL;
}
if (bw->favicon != NULL) {
content_status status =
content_get_status(bw->favicon);
if (status == CONTENT_STATUS_READY ||
status == CONTENT_STATUS_DONE)
content_close(bw->favicon);
hlcache_handle_release(bw->favicon);
bw->favicon = NULL;
}
if (bw->box != NULL) {
bw->box->iframe = NULL;
bw->box = NULL;

View File

@ -75,6 +75,9 @@ struct browser_window {
/** Page being loaded, or 0. */
struct hlcache_handle *loading_content;
/** Page Favicon */
struct hlcache_handle *favicon;
/** Window history structure. */
struct history *history;

View File

@ -2254,14 +2254,9 @@ void nsgtk_scaffolding_set_top_level (struct gui_window *gw)
nsgtk_search_set_forward_state(true, bw);
nsgtk_search_set_back_state(true, bw);
/* Ensure the window's title bar as well as favicon are updated */
/* Ensure the window's title bar is updated */
if (bw->current_content != NULL) {
gui_window_set_title(gw,
content_get_title(bw->current_content));
if (content_get_type(bw->current_content) == CONTENT_HTML)
gui_window_set_icon(gw,
html_get_favicon(bw->current_content));
gui_window_set_title(gw, content_get_title(bw->current_content));
}
}

View File

@ -810,6 +810,35 @@ bool html_head(html_content *c, xmlNode *head)
}
xmlFree(s);
}
} else if (strcmp((const char *) node->name, "link") == 0) {
union content_msg_data msg_data;
char *href;
nserror error;
href = (char *) xmlGetProp(node, (const xmlChar *) "href");
if (href) {
error = nsurl_join(c->base_url, href, &msg_data.rfc5988_link.url);
xmlFree(href);
}
msg_data.rfc5988_link.rel = (char *)xmlGetProp(node,
(const xmlChar *)"rel");
msg_data.rfc5988_link.type = (char *)xmlGetProp(node,
(const xmlChar *)"type");
content_broadcast(&c->base, CONTENT_MSG_LINK, msg_data);
if (error == NSERROR_OK) {
nsurl_unref(msg_data.rfc5988_link.url);
}
if (msg_data.rfc5988_link.rel) {
xmlFree(msg_data.rfc5988_link.rel);
}
if (msg_data.rfc5988_link.type) {
xmlFree(msg_data.rfc5988_link.type);
}
}
}
return true;
@ -2384,22 +2413,6 @@ struct content_html_object *html_get_objects(hlcache_handle *h, unsigned int *n)
return c->object_list;
}
/**
* Retrieve favicon associated with an HTML document
*
* \param h HTML document to retrieve favicon from
* \return Pointer to favicon, or NULL if none
*/
hlcache_handle *html_get_favicon(hlcache_handle *h)
{
html_content *c = (html_content *) hlcache_handle_get_content(h);
assert(c != NULL);
return NULL;
}
/**
* Retrieve layout coordinates of box with given id
*

View File

@ -169,7 +169,6 @@ struct html_stylesheet *html_get_stylesheets(struct hlcache_handle *h,
unsigned int *n);
struct content_html_object *html_get_objects(struct hlcache_handle *h,
unsigned int *n);
struct hlcache_handle *html_get_favicon(struct hlcache_handle *h);
bool html_get_id_offset(struct hlcache_handle *h, const char *frag_id,
int *x, int *y);