void
liferea_htmlview_clear (LifereaHtmlView *htmlview)
{
GString *buffer;
buffer = g_string_new (NULL);
htmlview_start_output (buffer, NULL, FALSE, FALSE);
htmlview_finish_output (buffer);
liferea_htmlview_write (htmlview, buffer->str, NULL);
g_string_free (buffer, TRUE);
}
void
itemview_display_info (const gchar *html)
{
liferea_htmlview_write (itemview->priv->htmlview, html, NULL);
}
void
htmlview_update (LifereaHtmlView *htmlview, itemViewMode mode)
{
GSList *iter;
GString *output;
itemPtr item = NULL;
gchar *baseURL = NULL;
gboolean summaryMode;
/* determine base URL */
switch (mode) {
case ITEMVIEW_SINGLE_ITEM:
item = itemlist_get_selected ();
if(item) {
baseURL = (gchar *)node_get_base_url (node_from_id (item->nodeId));
item_unload (item);
}
break;
default:
if (htmlView_priv.node)
baseURL = (gchar *) node_get_base_url (htmlView_priv.node);
break;
}
if (baseURL)
baseURL = g_markup_escape_text (baseURL, -1);
output = g_string_new (NULL);
htmlview_start_output (output, baseURL, TRUE, TRUE);
/* HTML view updating means checking which items
need to be updated, render them and then
concatenate everything from cache and output it */
switch (mode) {
case ITEMVIEW_SINGLE_ITEM:
item = itemlist_get_selected ();
if (item) {
gchar *html = htmlview_render_item (item, mode, FALSE);
if (html) {
g_string_append (output, html);
g_free (html);
}
item_unload (item);
}
break;
case ITEMVIEW_ALL_ITEMS:
/* Output optimization for feeds without item content. This
is not done for folders, because we only support all items
in summary mode or all in detailed mode. With folder item
sets displaying everything in summary because of only a
single feed without item descriptions would make no sense. */
summaryMode = (NULL != htmlView_priv.node) &&
!IS_FOLDER (htmlView_priv.node) &&
!IS_VFOLDER (htmlView_priv.node) &&
(htmlView_priv.missingContent > 3);
/* concatenate all items */
iter = htmlView_priv.orderedChunks;
while (iter) {
/* try to retrieve item HTML chunk from cache */
htmlChunkPtr chunk = (htmlChunkPtr)iter->data;
/* if not found: render new item now and add to cache */
if (!chunk->html) {
item = item_load (chunk->id);
if (item) {
debug1 (DEBUG_HTML, "rendering item to HTML view: >>>%s<<<", item_get_title (item));
chunk->html = htmlview_render_item (item, mode, summaryMode);
item_unload (item);
}
}
if (chunk->html)
g_string_append (output, chunk->html);
iter = g_slist_next (iter);
}
break;
case ITEMVIEW_NODE_INFO:
{
gchar *html;
if (htmlView_priv.node) {
html = node_render (htmlView_priv.node);
if (html) {
g_string_append (output, html);
g_free (html);
}
}
}
break;
default:
g_warning ("HTML view: invalid viewing mode!!!");
break;
}
htmlview_finish_output (output);
debug1 (DEBUG_HTML, "writing %d bytes to HTML view", strlen (output->str));
liferea_htmlview_write (htmlview, output->str, baseURL);
g_string_free (output, TRUE);
g_free (baseURL);
}
