From 30987004ceed01ffdeaa9fc32bea269eb9ff3050 Mon Sep 17 00:00:00 2001
From: Tomeu Vizoso <tomeu@tomeuvizoso.net>
Date: Tue, 22 May 2007 16:14:46 +0000
Subject: Implement the session store component in pyxpcom.

---
(limited to 'sessionstore.py')

diff --git a/sessionstore.py b/sessionstore.py
new file mode 100644
index 0000000..5e282e5
--- /dev/null
+++ b/sessionstore.py
@@ -0,0 +1,68 @@
+# Copyright (C) 2007, One Laptop Per Child
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+# Based on
+# http://lxr.mozilla.org/seamonkey/source/browser/components/sessionstore
+
+import logging
+
+from xpcom import components
+from xpcom.components import interfaces
+
+import json
+
+def get_session(browser):
+    session_data = {}
+    session_data['history'] = _get_history(browser.web_navigation.sessionHistory)
+    logging.debug('%r' % session_data)
+    return json.write(session_data)
+
+def set_session(browser, session_str):
+    session_data = json.read(session_str)
+    _set_history(browser.web_navigation.sessionHistory, session_data['history'])
+    
+    browser.web_navigation.gotoIndex(len(session_data['history']) - 1);
+
+def _get_history(history):
+    logging.debug('%r' % history.count)
+    entries_dest = []
+    for i in range(0, history.count):
+        entry_orig = history.getEntryAtIndex(i, False)
+        entry_dest = {'url':    entry_orig.URI.spec,
+                      'title':  entry_orig.title}
+
+        entries_dest.append(entry_dest)
+
+    return entries_dest
+
+def _set_history(history, history_data):
+    history_internal = history.queryInterface(interfaces.nsISHistoryInternal);
+    
+    if history_internal.count > 0:
+        history_internal.purgeHistory(history_internal.count);
+
+    for entry_dict in history_data:
+        logging.debug('entry_dict: %r' % entry_dict)
+        entry_class = components.classes["@mozilla.org/browser/session-history-entry;1"]
+        entry = entry_class.createInstance(interfaces.nsISHEntry)
+                  
+        io_service_class = components.classes["@mozilla.org/network/io-service;1"]
+        io_service = io_service_class.getService(interfaces.nsIIOService)
+        entry.setURI(io_service.newURI(entry_dict['url'], None, None));
+        entry.setTitle(entry_dict['title']);
+
+        history_internal.addEntry(entry, True)
+
--
cgit v0.9.1