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);
}
/**
* Loads a search result into the item list and renders
* some info text into the HTML view pane.
*
* @param searchResult valid search result node
* @param searchString search text (or NULL)
*/
static void
search_load_results (nodePtr searchResult, const gchar *searchString)
{
GString *buffer;
itemSetPtr itemSet;
nodeViewType viewMode;
/* Clear feed and item display and load search results */
feed_list_view_select (NULL);
itemlist_unload (FALSE);
/* Ensure that we are in a useful viewing mode (3 paned) */
viewMode = itemlist_get_view_mode ();
if ((NODE_VIEW_MODE_NORMAL != viewMode) &&
(NODE_VIEW_MODE_WIDE != viewMode))
itemview_set_layout (NODE_VIEW_MODE_NORMAL);
itemSet = node_get_itemset (searchResult);
itemlist_load_search_result (itemSet);
itemset_free (itemSet);
buffer = g_string_new (NULL);
htmlview_start_output (buffer, NULL, TRUE, FALSE);
g_string_append_printf (buffer, "<div class='content'><h2>");
if (searchString)
g_string_append_printf (buffer, ngettext("%d Search Result for \"%s\"",
"%d Search Results for \"%s\"",
searchResult->itemCount),
searchResult->itemCount, searchString);
else
g_string_append_printf (buffer, ngettext("%d Search Result",
"%d Search Results",
searchResult->itemCount),
searchResult->itemCount);
g_string_append_printf (buffer, "</h2><p>");
g_string_append_printf (buffer, _("The item list now contains all items matching the "
"specified search pattern. If you want to save this search "
"result permanently you can click the \"Search Folder\" button in "
"the search dialog and Liferea will add a search folder to your "
"feed list."));
g_string_append_printf (buffer, "</p></div>");
htmlview_finish_output (buffer);
itemview_display_info (buffer->str);
g_string_free (buffer, TRUE);
}
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);
}
