Add a DNS prefetching extension which fetches hovered links
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Alexander Butenko
Christian Dywan
parent
63b25561ff
commit
2718e47ca0
1 changed files with 152 additions and 0 deletions
152
extensions/dnsprefetch.c
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152
extensions/dnsprefetch.c
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/*
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Copyright (C) 2009 Alexander Butenko <a.butenka@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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*/
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#include <midori/midori.h>
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#include "config.h"
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#include <glib/gstdio.h>
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#define MAXHOSTS 50
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static gchar* hosts = NULL;
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static int host_count;
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static void
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dnsprefetch_do_prefetch (WebKitWebView *web_view,
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gchar *title,
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gchar *uri,
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gpointer user_data)
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{
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SoupURI* s_uri;
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/* FIXME: Ignore IP addresses */
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if (!(uri && g_str_has_prefix (uri, "http")))
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return;
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s_uri = soup_uri_new (uri);
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if (!g_regex_match_simple (s_uri->host, hosts,
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G_REGEX_CASELESS, G_REGEX_MATCH_NOTEMPTY))
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{
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SoupAddress* address;
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gchar* new_hosts;
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address = soup_address_new (s_uri->host, SOUP_ADDRESS_ANY_PORT);
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soup_address_resolve_async (address, 0, 0, 0, 0);
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g_object_unref (address);
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if (host_count > MAXHOSTS)
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{
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katze_assign (hosts, g_strdup (""));
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host_count = 0;
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}
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host_count++;
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new_hosts = g_strdup_printf ("%s|%s", hosts, s_uri->host);
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katze_assign (hosts, new_hosts);
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}
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soup_uri_free (s_uri);
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}
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static void
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dnsprefetch_add_tab_cb (MidoriBrowser* browser,
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MidoriView* view)
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{
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GtkWidget* web_view = gtk_bin_get_child (GTK_BIN (view));
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g_signal_connect (web_view, "hovering-over-link",
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G_CALLBACK (dnsprefetch_do_prefetch), 0);
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}
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static void
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dnsprefetch_deactivate_cb (MidoriExtension* extension,
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MidoriBrowser* browser);
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static void
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dnsprefetch_add_tab_foreach_cb (MidoriView* view,
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MidoriBrowser* browser)
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{
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dnsprefetch_add_tab_cb (browser, view);
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}
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static void
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dnsprefetch_app_add_browser_cb (MidoriApp* app,
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MidoriBrowser* browser,
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MidoriExtension* extension)
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{
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midori_browser_foreach (browser,
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(GtkCallback)dnsprefetch_add_tab_foreach_cb, browser);
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g_signal_connect (browser, "add-tab",
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G_CALLBACK (dnsprefetch_add_tab_cb), 0);
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g_signal_connect (extension, "deactivate",
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G_CALLBACK (dnsprefetch_deactivate_cb), browser);
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}
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static void
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dnsprefetch_deactivate_tabs (MidoriView* view,
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MidoriBrowser* browser)
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{
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GtkWidget* web_view = gtk_bin_get_child (GTK_BIN (view));
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g_signal_handlers_disconnect_by_func (
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browser, dnsprefetch_add_tab_cb, 0);
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g_signal_handlers_disconnect_by_func (
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web_view, dnsprefetch_do_prefetch, 0);
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}
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static void
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dnsprefetch_deactivate_cb (MidoriExtension* extension,
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MidoriBrowser* browser)
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{
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MidoriApp* app = midori_extension_get_app (extension);
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katze_assign (hosts, g_strdup (""));
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host_count = 0;
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g_signal_handlers_disconnect_by_func (
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extension, dnsprefetch_deactivate_cb, browser);
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g_signal_handlers_disconnect_by_func (
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app, dnsprefetch_app_add_browser_cb, extension);
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midori_browser_foreach (browser, (GtkCallback)dnsprefetch_deactivate_tabs, browser);
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}
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static void
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dnsprefetch_activate_cb (MidoriExtension* extension,
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MidoriApp* app)
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{
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KatzeArray* browsers;
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MidoriBrowser* browser;
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guint i;
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host_count = 0;
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browsers = katze_object_get_object (app, "browsers");
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i = 0;
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while ((browser = katze_array_get_nth_item (browsers, i++)))
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dnsprefetch_app_add_browser_cb (app, browser, extension);
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g_signal_connect (app, "add-browser",
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G_CALLBACK (dnsprefetch_app_add_browser_cb), extension);
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g_object_unref (browsers);
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}
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MidoriExtension*
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extension_init (void)
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{
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MidoriExtension* extension = g_object_new (MIDORI_TYPE_EXTENSION,
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"name", _("DNS prefetching"),
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"description", _("Prefetch IP addresses of hovered links"),
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"version", "0.1",
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"authors", "Alexander V. Butenko <a.butenka@gmail.com>",
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NULL);
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g_signal_connect (extension, "activate",
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G_CALLBACK (dnsprefetch_activate_cb), NULL);
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return extension;
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}
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