502 lines
14 KiB
C
502 lines
14 KiB
C
/*
|
|
Copyright (C) 2009 Dale Whittaker <dale@users.sf.net>
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
See the file COPYING for the full license text.
|
|
*/
|
|
|
|
#include "feed-panel.h"
|
|
#include "feed-atom.h"
|
|
#include "feed-rss.h"
|
|
|
|
#include <midori/midori.h>
|
|
|
|
#define EXTENSION_NAME "Feed Panel"
|
|
#define UPDATE_FREQ 10
|
|
|
|
#define feed_get_flags(feed) \
|
|
GPOINTER_TO_INT (g_object_get_data (G_OBJECT ((feed)), "flags"))
|
|
|
|
#define feed_set_flags(feed, flags) \
|
|
g_object_set_data (G_OBJECT ((feed)), "flags", \
|
|
GINT_TO_POINTER ((flags)))
|
|
|
|
#define feed_has_flags(feed, flags) \
|
|
((flags) & feed_get_flags ((feed)))
|
|
|
|
#define feed_add_flags(feed, flags) \
|
|
feed_set_flags ((feed), (feed_get_flags ((feed)) | (flags)))
|
|
|
|
#define feed_remove_flags(feed, flags) \
|
|
feed_set_flags ((feed), (feed_get_flags ((feed)) & ~(flags)))
|
|
|
|
typedef struct
|
|
{
|
|
MidoriBrowser* browser;
|
|
MidoriExtension* extension;
|
|
GtkWidget* panel;
|
|
KatzeArray* feeds;
|
|
KatzeNet* net;
|
|
GSList* parsers;
|
|
|
|
guint source_id;
|
|
gboolean is_running;
|
|
|
|
} FeedPrivate;
|
|
|
|
typedef struct
|
|
{
|
|
MidoriExtension* extension;
|
|
GSList* parsers;
|
|
KatzeArray* feed;
|
|
|
|
} FeedNetPrivate;
|
|
|
|
enum
|
|
{
|
|
FEED_READ,
|
|
FEED_REMOVE
|
|
};
|
|
|
|
static void
|
|
feed_app_add_browser_cb (MidoriApp* app,
|
|
MidoriBrowser* browser,
|
|
MidoriExtension* extension);
|
|
|
|
static void
|
|
feed_deactivate_cb (MidoriExtension* extension,
|
|
FeedPrivate* priv)
|
|
{
|
|
if (priv)
|
|
{
|
|
MidoriApp* app = midori_extension_get_app (extension);
|
|
|
|
g_signal_handlers_disconnect_by_func (app,
|
|
feed_app_add_browser_cb, extension);
|
|
g_signal_handlers_disconnect_by_func (extension,
|
|
feed_deactivate_cb, priv);
|
|
|
|
if (priv->source_id)
|
|
g_source_remove (priv->source_id);
|
|
g_slist_foreach (priv->parsers, (GFunc)g_free, NULL);
|
|
g_slist_free (priv->parsers);
|
|
if (priv->feeds)
|
|
g_object_unref (priv->net);
|
|
if (priv->feeds)
|
|
g_object_unref (priv->feeds);
|
|
gtk_widget_destroy (priv->panel);
|
|
g_free (priv);
|
|
}
|
|
}
|
|
|
|
static KatzeArray*
|
|
feed_add_item (KatzeArray* feeds,
|
|
const gchar* uri)
|
|
{
|
|
KatzeArray* feed;
|
|
|
|
feed = NULL;
|
|
|
|
if (uri)
|
|
{
|
|
if (katze_array_find_token (feeds, uri))
|
|
{
|
|
GtkWidget* dialog;
|
|
|
|
dialog = gtk_message_dialog_new (
|
|
NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
|
|
_("Error"));
|
|
gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
|
|
_("Feed '%s' already exists"), uri);
|
|
gtk_window_set_title (GTK_WINDOW (dialog), EXTENSION_NAME);
|
|
gtk_widget_show (dialog);
|
|
g_signal_connect_swapped (dialog, "response",
|
|
G_CALLBACK (gtk_widget_destroy), dialog);
|
|
|
|
}
|
|
else
|
|
{
|
|
KatzeArray* child;
|
|
|
|
feed = katze_array_new (KATZE_TYPE_ARRAY);
|
|
child = katze_array_new (KATZE_TYPE_ITEM);
|
|
katze_item_set_uri (KATZE_ITEM (feed), uri);
|
|
katze_item_set_token (KATZE_ITEM (feed), uri);
|
|
katze_item_set_uri (KATZE_ITEM (child), uri);
|
|
katze_array_add_item (feeds, feed);
|
|
katze_array_add_item (feed, child);
|
|
}
|
|
}
|
|
return feed;
|
|
}
|
|
|
|
static void
|
|
feed_save_items (MidoriExtension* extension,
|
|
KatzeArray* feed)
|
|
{
|
|
KatzeItem* item;
|
|
gchar** sfeeds;
|
|
gint i;
|
|
gint n;
|
|
|
|
g_return_if_fail (KATZE_IS_ARRAY (feed));
|
|
|
|
n = katze_array_get_length (feed);
|
|
sfeeds = g_new (gchar*, n + 1);
|
|
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
item = katze_array_get_nth_item (feed, i);
|
|
sfeeds[i] = (gchar*) katze_item_get_uri (KATZE_ITEM (item));
|
|
}
|
|
sfeeds[n] = NULL;
|
|
|
|
midori_extension_set_string_list (extension, "feeds", sfeeds, n);
|
|
g_free (sfeeds);
|
|
}
|
|
|
|
static void
|
|
feed_handle_net_error (FeedNetPrivate* netpriv,
|
|
const gchar* msg)
|
|
{
|
|
KatzeItem* child;
|
|
const gchar* uri;
|
|
gint n;
|
|
|
|
n = katze_array_get_length (netpriv->feed);
|
|
g_assert (n == 1);
|
|
child = katze_array_get_nth_item (netpriv->feed, 0);
|
|
g_assert (KATZE_IS_ARRAY (child));
|
|
|
|
uri = katze_item_get_uri (KATZE_ITEM (netpriv->feed));
|
|
katze_item_set_name (child, uri);
|
|
katze_item_set_text (child, msg);
|
|
katze_item_set_uri (child, NULL);
|
|
feed_remove_flags (netpriv->feed, FEED_READ);
|
|
}
|
|
|
|
static gboolean
|
|
feed_status_cb (KatzeNetRequest* request,
|
|
FeedNetPrivate* netpriv)
|
|
{
|
|
if (request->status == KATZE_NET_FAILED ||
|
|
request->status == KATZE_NET_NOT_FOUND)
|
|
{
|
|
gchar* msg;
|
|
|
|
msg = g_strdup_printf (_("Error loading feed '%s'"),
|
|
katze_item_get_uri (KATZE_ITEM (netpriv->feed)));
|
|
feed_handle_net_error (netpriv, msg);
|
|
g_free (msg);
|
|
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
feed_transfer_cb (KatzeNetRequest* request,
|
|
FeedNetPrivate* netpriv)
|
|
{
|
|
GError* error;
|
|
|
|
if (request->status == KATZE_NET_MOVED)
|
|
return;
|
|
|
|
g_return_if_fail (KATZE_IS_ARRAY (netpriv->feed));
|
|
|
|
error = NULL;
|
|
|
|
if (request->data)
|
|
{
|
|
KatzeArray* item;
|
|
const gchar* uri;
|
|
gint n;
|
|
|
|
n = katze_array_get_length (netpriv->feed);
|
|
g_assert (n == 1);
|
|
item = katze_array_get_nth_item (netpriv->feed, 0);
|
|
g_assert (KATZE_IS_ARRAY (item));
|
|
uri = katze_item_get_uri (KATZE_ITEM (netpriv->feed));
|
|
katze_item_set_uri (KATZE_ITEM (item), uri);
|
|
|
|
if (!parse_feed (request->data, request->length,
|
|
netpriv->parsers, item, &error))
|
|
{
|
|
feed_handle_net_error (netpriv, error->message);
|
|
g_error_free (error);
|
|
}
|
|
|
|
if (feed_has_flags (netpriv->feed, FEED_REMOVE))
|
|
{
|
|
KatzeArray* parent;
|
|
|
|
/* deferred remove */
|
|
parent = katze_item_get_parent (KATZE_ITEM (netpriv->feed));
|
|
katze_array_remove_item (parent, netpriv->feed);
|
|
feed_save_items (netpriv->extension, parent);
|
|
}
|
|
else
|
|
feed_set_flags (netpriv->feed, 0);
|
|
}
|
|
|
|
netpriv->parsers = NULL;
|
|
netpriv->feed = NULL;
|
|
g_free (netpriv);
|
|
}
|
|
|
|
static void
|
|
update_feed (FeedPrivate* priv,
|
|
KatzeItem* feed)
|
|
{
|
|
if (!(feed_has_flags (feed, FEED_READ)))
|
|
{
|
|
FeedNetPrivate* netpriv;
|
|
|
|
feed_add_flags (feed, FEED_READ);
|
|
netpriv = g_new0 (FeedNetPrivate, 1);
|
|
netpriv->parsers = priv->parsers;
|
|
netpriv->extension = priv->extension;
|
|
netpriv->feed = KATZE_ARRAY (feed);
|
|
|
|
katze_net_load_uri (priv->net,
|
|
katze_item_get_uri (feed),
|
|
(KatzeNetStatusCb) feed_status_cb,
|
|
(KatzeNetTransferCb) feed_transfer_cb,
|
|
netpriv);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
update_feeds (FeedPrivate* priv)
|
|
{
|
|
KatzeItem* feed;
|
|
gint i;
|
|
gint n;
|
|
|
|
if (!priv->is_running)
|
|
{
|
|
priv->is_running = TRUE;
|
|
n = katze_array_get_length (priv->feeds);
|
|
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
feed = katze_array_get_nth_item (priv->feeds, i);
|
|
update_feed (priv, feed);
|
|
}
|
|
}
|
|
priv->is_running = FALSE;
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
secondary_icon_released_cb (GtkAction* action,
|
|
GtkWidget* widget,
|
|
FeedPrivate* priv)
|
|
{
|
|
const gchar* uri;
|
|
|
|
g_assert (KATZE_IS_ARRAY (priv->feeds));
|
|
|
|
uri = midori_location_action_get_uri (MIDORI_LOCATION_ACTION (action));
|
|
|
|
if (uri && *uri)
|
|
{
|
|
KatzeArray* feed;
|
|
|
|
feed = feed_add_item (priv->feeds, uri);
|
|
if (feed)
|
|
{
|
|
feed_save_items (priv->extension, priv->feeds);
|
|
update_feed (priv, KATZE_ITEM (feed));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
panel_add_feed_cb (FeedPanel* panel,
|
|
FeedPrivate* priv)
|
|
{
|
|
GtkWidget* dialog;
|
|
GtkSizeGroup* sizegroup;
|
|
GtkWidget* hbox;
|
|
GtkWidget* label;
|
|
GtkWidget* entry;
|
|
|
|
dialog = gtk_dialog_new_with_buttons (
|
|
_("New feed"), GTK_WINDOW (priv->browser),
|
|
GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_NO_SEPARATOR,
|
|
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
|
|
GTK_STOCK_ADD, GTK_RESPONSE_ACCEPT,
|
|
NULL);
|
|
gtk_window_set_icon_name (GTK_WINDOW (dialog), GTK_STOCK_ADD);
|
|
gtk_container_set_border_width (GTK_CONTAINER (dialog), 5);
|
|
gtk_container_set_border_width (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), 5);
|
|
sizegroup = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
|
|
|
|
hbox = gtk_hbox_new (FALSE, 8);
|
|
gtk_container_set_border_width (GTK_CONTAINER (hbox), 5);
|
|
label = gtk_label_new_with_mnemonic (_("_Address:"));
|
|
gtk_size_group_add_widget (sizegroup, label);
|
|
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
|
|
entry = gtk_entry_new ();
|
|
gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE);
|
|
gtk_entry_set_text (GTK_ENTRY (entry), "");
|
|
gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 0);
|
|
gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), hbox);
|
|
gtk_widget_show_all (hbox);
|
|
|
|
gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT);
|
|
if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
|
|
{
|
|
const gchar* uri;
|
|
|
|
g_assert (KATZE_IS_ARRAY (priv->feeds));
|
|
|
|
uri = gtk_entry_get_text (GTK_ENTRY (entry));
|
|
if (uri && *uri)
|
|
{
|
|
KatzeArray* feed;
|
|
|
|
feed = feed_add_item (priv->feeds, uri);
|
|
if (feed)
|
|
{
|
|
feed_save_items (priv->extension, priv->feeds);
|
|
update_feed (priv, KATZE_ITEM (feed));
|
|
}
|
|
}
|
|
}
|
|
gtk_widget_destroy (dialog);
|
|
}
|
|
|
|
static void
|
|
panel_remove_feed_cb (FeedPanel* panel,
|
|
KatzeItem* item,
|
|
FeedPrivate* priv)
|
|
{
|
|
KatzeArray* feed;
|
|
|
|
feed = katze_item_get_parent (item);
|
|
|
|
g_assert (KATZE_IS_ARRAY (priv->feeds));
|
|
g_assert (KATZE_IS_ARRAY (feed));
|
|
|
|
if (feed_has_flags (feed, FEED_READ))
|
|
feed_add_flags (feed, FEED_REMOVE);
|
|
else
|
|
{
|
|
feed_add_flags (feed, FEED_READ);
|
|
katze_array_remove_item (priv->feeds, feed);
|
|
feed_save_items (priv->extension, priv->feeds);
|
|
}
|
|
}
|
|
|
|
static void
|
|
feed_app_add_browser_cb (MidoriApp* app,
|
|
MidoriBrowser* browser,
|
|
MidoriExtension* extension)
|
|
{
|
|
GtkWidget* panel;
|
|
GtkWidget* addon;
|
|
GtkActionGroup* action_group;
|
|
GtkAction* action;
|
|
KatzeNet* net;
|
|
KatzeArray* feeds;
|
|
KatzeArray* feed;
|
|
FeedPrivate* priv;
|
|
gchar** sfeeds;
|
|
gsize i;
|
|
gsize n;
|
|
|
|
priv = g_new0 (FeedPrivate, 1);
|
|
|
|
panel = katze_object_get_object (browser, "panel");
|
|
addon = feed_panel_new ();
|
|
gtk_widget_show (addon);
|
|
midori_panel_append_page (MIDORI_PANEL (panel), MIDORI_VIEWABLE (addon));
|
|
g_object_unref (panel);
|
|
|
|
net = katze_net_new ();
|
|
feeds = katze_array_new (KATZE_TYPE_ARRAY);
|
|
feed_panel_add_feeds (FEED_PANEL (addon), KATZE_ITEM (feeds));
|
|
|
|
priv->extension = extension;
|
|
priv->browser = browser;
|
|
priv->panel = addon;
|
|
priv->net = net;
|
|
priv->feeds = feeds;
|
|
priv->parsers = g_slist_prepend (priv->parsers, atom_init_parser ());
|
|
priv->parsers = g_slist_prepend (priv->parsers, rss_init_parser ());
|
|
|
|
sfeeds = midori_extension_get_string_list (extension, "feeds", &n);
|
|
g_assert (n == 0 || sfeeds);
|
|
|
|
for (i = 0; i < n; i++)
|
|
{
|
|
if (sfeeds[i])
|
|
{
|
|
feed = feed_add_item (feeds, sfeeds[i]);
|
|
if (feed)
|
|
update_feed (priv, KATZE_ITEM (feed));
|
|
}
|
|
}
|
|
g_strdupv (sfeeds);
|
|
action_group = midori_browser_get_action_group (browser);
|
|
action = gtk_action_group_get_action (action_group, "Location");
|
|
|
|
g_signal_connect (addon, "add-feed",
|
|
G_CALLBACK (panel_add_feed_cb), priv);
|
|
g_signal_connect (addon, "remove-feed",
|
|
G_CALLBACK (panel_remove_feed_cb), priv);
|
|
g_signal_connect (action, "secondary-icon-released",
|
|
G_CALLBACK (secondary_icon_released_cb), priv);
|
|
g_signal_connect (extension, "deactivate",
|
|
G_CALLBACK (feed_deactivate_cb), priv);
|
|
|
|
priv->source_id = g_timeout_add_seconds (UPDATE_FREQ * 60,
|
|
(GSourceFunc) update_feeds, priv);
|
|
}
|
|
|
|
static void
|
|
feed_activate_cb (MidoriExtension* extension,
|
|
MidoriApp* app)
|
|
{
|
|
KatzeArray* browsers;
|
|
MidoriBrowser* browser;
|
|
guint i;
|
|
|
|
browsers = katze_object_get_object (app, "browsers");
|
|
i = 0;
|
|
while ((browser = katze_array_get_nth_item (browsers, i++)))
|
|
feed_app_add_browser_cb (app, browser, extension);
|
|
g_object_unref (browsers);
|
|
|
|
g_signal_connect (app, "add-browser",
|
|
G_CALLBACK (feed_app_add_browser_cb), extension);
|
|
}
|
|
|
|
MidoriExtension*
|
|
extension_init (void)
|
|
{
|
|
MidoriExtension* extension;
|
|
gchar* sfeed[2];
|
|
|
|
extension = g_object_new (MIDORI_TYPE_EXTENSION,
|
|
"name", _("Feed Panel"),
|
|
"description", _("Read Atom/ RSS feeds"),
|
|
"version", "0.1",
|
|
"authors", "Dale Whittaker <dayul@users.sf.net>",
|
|
NULL);
|
|
|
|
sfeed[0] = NULL;
|
|
midori_extension_install_string_list (extension, "feeds", sfeed, 1);
|
|
|
|
g_signal_connect (extension, "activate",
|
|
G_CALLBACK (feed_activate_cb), NULL);
|
|
|
|
return extension;
|
|
}
|