308 lines
9.2 KiB
C
308 lines
9.2 KiB
C
/*
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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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#define MAXCHARS 20
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#define MINCHARS 2
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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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static GHashTable* global_keys;
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static gchar* jsforms;
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static gboolean
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formhistory_prepare_js ()
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{
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gchar* autosuggest;
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gchar* style;
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guint i;
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gchar* file;
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gchar* data_path = g_build_filename (MDATADIR, PACKAGE_NAME, NULL);
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file = g_build_filename (data_path,"/autosuggestcontrol.js",NULL);
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if (!g_file_test (file, G_FILE_TEST_EXISTS))
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return FALSE;
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g_file_get_contents (file, &autosuggest, NULL, NULL);
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g_strchomp (autosuggest);
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file = g_build_filename (data_path,"/autosuggestcontrol.css",NULL);
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if (!g_file_test (file, G_FILE_TEST_EXISTS))
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return FALSE;
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g_file_get_contents (file, &style, NULL, NULL);
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g_strchomp (style);
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i = 0;
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while (style[i])
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{
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if (style[i] == '\n')
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style[i] = ' ';
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i++;
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}
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jsforms = g_strdup_printf (
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"%s"
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"window.addEventListener (\"load\", function () { initSuggestions (); }, true);"
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"window.addEventListener ('DOMContentLoaded',"
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"function () {"
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"var mystyle = document.createElement(\"style\");"
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"mystyle.setAttribute(\"type\", \"text/css\");"
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"mystyle.appendChild(document.createTextNode(\"%s\"));"
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"var head = document.getElementsByTagName(\"head\")[0];"
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"if (head) head.appendChild(mystyle);"
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"else document.documentElement.insertBefore(mystyle, document.documentElement.firstChild);"
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"}, true);",
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autosuggest,
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style);
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g_strstrip (jsforms);
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g_free (data_path);
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g_free (file);
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g_free (style);
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g_free (autosuggest);
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return TRUE;
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}
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static gchar*
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formhistory_build_js ()
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{
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gchar* suggestions = g_strdup ("");
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GHashTableIter iter;
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gpointer key, value;
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gchar* script;
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g_hash_table_iter_init (&iter, global_keys);
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while (g_hash_table_iter_next (&iter, &key, &value))
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{
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gchar* _suggestions = g_strdup_printf ("%s arr[\"%s\"] = [%s]; ",
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suggestions, (char*)key, (char*)value);
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katze_assign (suggestions, _suggestions);
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}
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script = g_strdup_printf ("function FormSuggestions(eid) { "
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"arr = new Array();"
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"%s"
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"this.suggestions = arr[eid]; }"
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"%s",
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suggestions,
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jsforms);
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g_free (suggestions);
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return script;
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}
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static void
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formhistory_update_main_hash (GHashTable* keys)
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{
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GHashTableIter iter;
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gchar* key;
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gchar* value;
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g_hash_table_iter_init (&iter, keys);
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while (g_hash_table_iter_next (&iter, (gpointer)&key, (gpointer)&value))
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{
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guint length;
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gchar* tmp;
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if (!(value && *value))
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continue;
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length = strlen (value);
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if (length > MAXCHARS || length < MINCHARS)
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continue;
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tmp = g_hash_table_lookup (global_keys, (gpointer)key);
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if (tmp)
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{
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gchar* rvalue = g_strdup_printf ("\"%s\"",value);
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if (!g_regex_match_simple (rvalue, tmp,
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G_REGEX_CASELESS, G_REGEX_MATCH_NOTEMPTY))
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{
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gchar* new_value = g_strdup_printf ("%s%s,", tmp, rvalue);
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g_hash_table_replace (global_keys, key, new_value);
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}
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g_free (rvalue);
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}
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else
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{
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gchar* new_value = g_strdup_printf ("\"%s\",",value);
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g_hash_table_insert (global_keys, key, new_value);
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}
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}
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}
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static void
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formhistory_session_request_queued_cb (SoupSession* session,
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SoupMessage* msg)
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{
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gchar* method = katze_object_get_string (msg, "method");
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if (method && !strncmp (method, "POST", 4))
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{
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/* SoupMessageHeaders* hdrs = msg->request_headers;
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const gchar* referer; */
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SoupMessageBody* body = msg->request_body;
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if (soup_message_body_get_accumulate (body))
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{
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SoupBuffer* buffer = soup_message_body_flatten (body);
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GHashTable* keys = soup_form_decode (body->data);
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formhistory_update_main_hash (keys);
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soup_buffer_free (buffer);
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}
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/* FIXME: Need a permanent storage implementation */
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/* referer = soup_message_headers_get_one (hdrs, "Referer"); */
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}
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g_free (method);
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}
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static void
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formhistory_window_object_cleared_cb (GtkWidget* web_view,
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WebKitWebFrame* web_frame,
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JSContextRef js_context,
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JSObjectRef js_window)
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{
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webkit_web_view_execute_script (WEBKIT_WEB_VIEW (web_view),
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formhistory_build_js ());
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}
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static void
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formhistory_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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SoupSession *session = webkit_get_default_session ();
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g_signal_connect (web_view, "window-object-cleared",
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G_CALLBACK (formhistory_window_object_cleared_cb), 0);
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g_signal_connect (session, "request-queued",
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G_CALLBACK (formhistory_session_request_queued_cb), 0);
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}
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static void
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formhistory_deactivate_cb (MidoriExtension* extension,
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MidoriBrowser* browser);
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static void
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formhistory_add_tab_foreach_cb (MidoriView* view,
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MidoriBrowser* browser)
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{
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formhistory_add_tab_cb (browser, view);
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}
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static void
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formhistory_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)formhistory_add_tab_foreach_cb, browser);
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g_signal_connect (browser, "add-tab", G_CALLBACK (formhistory_add_tab_cb), 0);
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g_signal_connect (extension, "deactivate",
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G_CALLBACK (formhistory_deactivate_cb), browser);
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}
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static void
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formhistory_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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SoupSession *session = webkit_get_default_session ();
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g_signal_handlers_disconnect_by_func (
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browser, formhistory_add_tab_cb, 0);
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g_signal_handlers_disconnect_by_func (
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web_view, formhistory_window_object_cleared_cb, 0);
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g_signal_handlers_disconnect_by_func (
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session, formhistory_session_request_queued_cb, 0);
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}
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static void
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formhistory_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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g_signal_handlers_disconnect_by_func (
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extension, formhistory_deactivate_cb, browser);
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g_signal_handlers_disconnect_by_func (
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app, formhistory_app_add_browser_cb, extension);
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midori_browser_foreach (browser, (GtkCallback)formhistory_deactivate_tabs, browser);
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jsforms = "";
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if (global_keys)
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g_hash_table_destroy (global_keys);
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}
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static void
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formhistory_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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global_keys = g_hash_table_new_full (g_str_hash, g_str_equal,
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(GDestroyNotify)g_free,
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(GDestroyNotify)g_free);
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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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formhistory_app_add_browser_cb (app, browser, extension);
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g_signal_connect (app, "add-browser",
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G_CALLBACK (formhistory_app_add_browser_cb), extension);
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g_object_unref (browsers);
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}
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#if G_ENABLE_DEBUG
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/*
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<html>
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<head>
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<title>autosuggest testcase</title>
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</head>
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<body>
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<form method=post>
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<p><input type="text" id="txt1" /></p>
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<p><input type="text" name="txt2" /></p>
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<input type=submit>
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</form>
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</body>
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</html> */
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#endif
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MidoriExtension*
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extension_init (void)
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{
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gboolean should_init = TRUE;
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gchar* ver;
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gchar* desc;
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if (formhistory_prepare_js ())
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{
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ver = "0.1";
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desc = g_strdup (_("Stores history of entered form data"));
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}
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else
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{
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desc = g_strdup_printf (_("Not available: %s"),
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_("Resource files not installed"));
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ver = NULL;
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should_init = FALSE;
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}
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MidoriExtension* extension = g_object_new (MIDORI_TYPE_EXTENSION,
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"name", _("Form history filler"),
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"description", desc,
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"version", ver,
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"authors", "Alexander V. Butenko <a.butenka@gmail.com>",
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NULL);
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g_free (desc);
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if (should_init)
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g_signal_connect (extension, "activate",
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G_CALLBACK (formhistory_activate_cb), NULL);
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return extension;
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}
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