# Copyright (C) 2006, Red Hat, Inc. # 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 import logging from gettext import gettext as _ import dbus import gobject import gtk import tempfile import os import time import xpcom from xpcom.nsError import * from xpcom import components from xpcom.components import interfaces from hulahop.webview import WebView from sugar.datastore import datastore from sugar import profile from sugar import env from sugar.activity import activityfactory from sugar.activity import activity import sessionstore _ZOOM_AMOUNT = 0.1 class GetSourceListener(gobject.GObject): _com_interfaces_ = interfaces.nsIWebProgressListener __gsignals__ = { 'finished': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])) } def __init__(self, persist): gobject.GObject.__init__(self) self._persist = persist def onStateChange(self, progress, request, flags, status): finished = interfaces.nsIWebBrowserPersist.PERSIST_STATE_FINISHED if self._persist.currentState == finished: self.emit('finished') def onProgressChange(self, progress, request, curSelfProgress, maxSelfProgress, curTotalProgress, maxTotalProgress): pass def onLocationChange(self, progress, request, location): pass def onStatusChange(self, progress, request, status, message): pass def onSecurityChange(progress, request, state): pass class Browser(WebView): AGENT_SHEET = os.path.join(activity.get_bundle_path(), 'agent-stylesheet.css') USER_SHEET = os.path.join(env.get_profile_path(), 'gecko', 'user-stylesheet.css') def __init__(self): WebView.__init__(self) io_service_class = components.classes["@mozilla.org/network/io-service;1"] io_service = io_service_class.getService(interfaces.nsIIOService) cls = components.classes['@mozilla.org/content/style-sheet-service;1'] style_sheet_service = cls.getService(interfaces.nsIStyleSheetService) if os.path.exists(Browser.AGENT_SHEET): agent_sheet_uri = io_service.newURI('file:///' + Browser.AGENT_SHEET, None, None) style_sheet_service.loadAndRegisterSheet(agent_sheet_uri, interfaces.nsIStyleSheetService.AGENT_SHEET) if os.path.exists(Browser.USER_SHEET): user_sheet_uri = io_service.newURI('file:///' + Browser.USER_SHEET, None, None) style_sheet_service.loadAndRegisterSheet(user_sheet_uri, interfaces.nsIStyleSheetService.USER_SHEET) def get_session(self): return sessionstore.get_session(self) def set_session(self, data): return sessionstore.set_session(self, data) def get_source(self): cls = components.classes['@mozilla.org/embedding/browser/nsWebBrowserPersist;1'] persist = cls.createInstance(interfaces.nsIWebBrowserPersist) # get the source from the cache persist.persistFlags = interfaces.nsIWebBrowserPersist.PERSIST_FLAGS_FROM_CACHE progresslistener = GetSourceListener(persist) persist.progressListener = xpcom.server.WrapObject( progresslistener, interfaces.nsIWebProgressListener) progresslistener.connect('finished', self._have_source_cb) file_path = os.path.join(tempfile.gettempdir(), '%i' % time.time()) cls = components.classes["@mozilla.org/file/local;1"] local_file = cls.createInstance(interfaces.nsILocalFile) local_file.initWithPath(file_path) uri = self.web_navigation.currentURI persist.saveURI(uri, self.doc_shell, None, None, None, local_file) self._create_journal_object(file_path) self._jobject.file_path = file_path def _have_source_cb(self, progress_listener): logging.debug("Finished getting source - writing to datastore") datastore.write(self._jobject, reply_handler=self._internal_save_cb, error_handler=self._internal_save_error_cb) def _create_journal_object(self, file_path): self._jobject = datastore.create() title = _('Source') + ': ' + self.props.title self._jobject.metadata['title'] = title self._jobject.metadata['keep'] = '0' self._jobject.metadata['buddies'] = '' self._jobject.metadata['preview'] = '' self._jobject.metadata['icon-color'] = profile.get_color().to_string() self._jobject.metadata['mime_type'] = 'text/html' self._jobject.metadata['source'] = '1' self._jobject.file_path = '' datastore.write(self._jobject) def _internal_save_cb(self): logging.debug("Saved source object to datastore.") object_id = self._jobject.object_id service_name = 'org.laptop.AbiWordActivity' self._cleanup_jobject() bus = dbus.SessionBus() bus_object = bus.get_object('org.laptop.Journal', '/org/laptop/Journal') journal = dbus.Interface(bus_object, 'org.laptop.Journal') journal.Resume(service_name, object_id) def _internal_save_error_cb(self, err): logging.debug("Error saving source object to datastore: %s" % err) self._cleanup_jobject() def _cleanup_jobject(self): if self._jobject: if os.path.isfile(self._jobject.file_path): logging.debug('_cleanup_jobject: removing %r' % self._jobject.file_path) os.remove(self._jobject.file_path) self._jobject.destroy() self._jobject = None def zoom_in(self): contentViewer = self.doc_shell.queryInterface(interfaces.nsIDocShell).contentViewer if contentViewer is not None: markupDocumentViewer = contentViewer.queryInterface(interfaces.nsIMarkupDocumentViewer) markupDocumentViewer.fullZoom += _ZOOM_AMOUNT def zoom_out(self): contentViewer = self.doc_shell.queryInterface(interfaces.nsIDocShell).contentViewer if contentViewer is not None: markupDocumentViewer = contentViewer.queryInterface(interfaces.nsIMarkupDocumentViewer) markupDocumentViewer.fullZoom -= _ZOOM_AMOUNT