#
# torrentview.py
#
# Copyright (C) 2007, 2008 Andrew Resch <andrewresch@gmail.com>
#
# Deluge is free software.
#
# You may redistribute it and/or modify it under the terms of the
# GNU General Public License, as published by the Free Software
# Foundation; either version 3 of the License, or (at your option)
# any later version.
#
# deluge 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 deluge.    If not, write to:
#     The Free Software Foundation, Inc.,
#     51 Franklin Street, Fifth Floor
#     Boston, MA  02110-1301, USA.
#
#    In addition, as a special exception, the copyright holders give
#    permission to link the code of portions of this program with the OpenSSL
#    library.
#    You must obey the GNU General Public License in all respects for all of
#    the code used other than OpenSSL. If you modify file(s) with this
#    exception, you may extend this exception to your version of the file(s),
#    but you are not obligated to do so. If you do not wish to do so, delete
#    this exception statement from your version. If you delete this exception
#    statement from all source files in the program, then also delete it here.
#
#


"""The torrent view component that lists all torrents in the session."""

import pygtk
pygtk.require('2.0')
import gtk
import gobject
import logging
import warnings

from twisted.internet import reactor

import listview
import deluge.common
import deluge.component as component
from deluge.ui.client import client
from removetorrentdialog import RemoveTorrentDialog

log = logging.getLogger(__name__)

# Status icons.. Create them from file only once to avoid constantly
# re-creating them.
icon_downloading = gtk.gdk.pixbuf_new_from_file(deluge.common.get_pixmap("downloading16.png"))
icon_seeding = gtk.gdk.pixbuf_new_from_file(deluge.common.get_pixmap("seeding16.png"))
icon_inactive = gtk.gdk.pixbuf_new_from_file(deluge.common.get_pixmap("inactive16.png"))
icon_alert = gtk.gdk.pixbuf_new_from_file(deluge.common.get_pixmap("alert16.png"))
icon_queued = gtk.gdk.pixbuf_new_from_file(deluge.common.get_pixmap("queued16.png"))
icon_checking = gtk.gdk.pixbuf_new_from_file(deluge.common.get_pixmap("checking16.png"))

# Holds the info for which status icon to display based on state
ICON_STATE = {
    "Allocating": icon_checking,
    "Checking": icon_checking,
    "Downloading": icon_downloading,
    "Seeding": icon_seeding,
    "Paused": icon_inactive,
    "Error": icon_alert,
    "Queued": icon_queued,
    "Checking Resume Data": icon_checking
}

def cell_data_statusicon(column, cell, model, row, data):
    """Display text with an icon"""
    try:
        icon = ICON_STATE[model.get_value(row, data)]
        #Suppress Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
        with warnings.catch_warnings():
            warnings.simplefilter("ignore")
            if cell.get_property("pixbuf") != icon:
                cell.set_property("pixbuf", icon)
    except KeyError:
        pass

def cell_data_trackericon(column, cell, model, row, data):
    def on_get_icon(icon):
        def create_blank_icon():
            i = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, True, 8, 16, 16)
            i.fill(0x00000000)
            return i

        if icon:
            try:
                icon = gtk.gdk.pixbuf_new_from_file_at_size(icon.get_filename(), 16, 16)
            except Exception, e:
                icon = create_blank_icon()
        else:
            icon = create_blank_icon()

        #Suppress Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
        with warnings.catch_warnings():
            warnings.simplefilter("ignore")
            if cell.get_property("pixbuf") != icon:
                cell.set_property("pixbuf", icon)

    host = model[row][data]
    if host:
        d = component.get("TrackerIcons").get(host)
        d.addCallback(on_get_icon)
    else:
        on_get_icon(None)

def cell_data_progress(column, cell, model, row, data):
    """Display progress bar with text"""
    (value, state_str) = model.get(row, *data)
    if cell.get_property("value") != value:
        cell.set_property("value", value)

    textstr = "%s" % state_str
    if state_str != "Seeding" and value < 100:
        textstr = textstr + " %.2f%%" % value
    if cell.get_property("text") != textstr:
        cell.set_property("text", textstr)

def cell_data_queue(column, cell, model, row, data):
    value = model.get_value(row, data)
    if value < 0:
        cell.set_property("text", "")
    else:
        cell.set_property("text", str(value + 1))

def queue_peer_seed_sort_function(v1, v2):
    if v1 == v2:
        return 0
    if v2 < 0:
        return -1
    if v1 < 0:
        return 1
    if v1 > v2:
        return 1
    if v2 > v1:
        return -1

def queue_column_sort(model, iter1, iter2, data):
    v1 = model[iter1][data]
    v2 = model[iter2][data]
    return queue_peer_seed_sort_function(v1, v2)


def eta_column_sort(model, iter1, iter2, data):
    v1 = model[iter1][data]
    v2 = model[iter2][data]
    if v1 == v2:
        return 0
    if v1 == 0:
        return 1
    if v2 == 0:
        return -1
    if v1 > v2:
        return 1
    if v2 > v1:
        return -1

def seed_peer_column_sort(model, iter1, iter2, data):
    v1 = model[iter1][data]         # num seeds/peers
    v3 = model[iter2][data]         # num seeds/peers
    if v1 == v3:
        v2 = model[iter1][data+1]   # total seeds/peers
        v4 = model[iter2][data+1]   # total seeds/peers
        return queue_peer_seed_sort_function(v2, v4)
    return queue_peer_seed_sort_function(v1, v3)

class SearchBox(object):
    def __init__(self, torrentview):
        self.torrentview = torrentview
        self.window = torrentview.window

        self.visible = False
        self.search_pending = self.prefiltered = None

        self.search_box = self.window.main_builder.get_object("search_box")
        self.search_torrents_entry = self.window.main_builder.get_object("search_torrents_entry")
        self.close_search_button = self.window.main_builder.get_object("close_search_button")
        self.match_search_button = self.window.main_builder.get_object("search_torrents_match")
        self.window.connect_signals(self)

    def show(self):
        self.visible = True
        self.search_box.show_all()
        self.search_torrents_entry.grab_focus()

    def hide(self):
        self.visible = False
        self.clear_search()
        self.search_box.hide_all()
        self.search_pending = self.prefiltered = None

    def clear_search(self):
        if self.search_pending and self.search_pending.active():
            self.search_pending.cancel()

        if self.prefiltered:
            filter_column = self.torrentview.columns["filter"].column_indices[0]
            torrent_id_column = self.torrentview.columns["torrent_id"].column_indices[0]
            for row in self.torrentview.liststore:
                torrent_id = row[torrent_id_column]

                if torrent_id in self.prefiltered:
                    # Reset to previous filter state
                    self.prefiltered.pop(self.prefiltered.index(torrent_id))
                    row[filter_column] = not row[filter_column]

        self.prefiltered = None

        self.search_torrents_entry.set_text("")
        if self.torrentview.filter and 'name' in self.torrentview.filter:
            self.torrentview.filter.pop('name', None)
            self.search_pending = reactor.callLater(0.5, self.torrentview.update)

    def set_search_filter(self):
        if self.search_pending and self.search_pending.active():
            self.search_pending.cancel()

        if self.torrentview.filter and 'name' in self.torrentview.filter:
            self.torrentview.filter.pop('name', None)

        elif self.torrentview.filter is None:
            self.torrentview.filter = {}

        search_string = self.search_torrents_entry.get_text()
        if not search_string:
            self.clear_search()
        else:
            if self.match_search_button.get_active():
                search_string += '::match'
            self.torrentview.filter['name'] = search_string
        self.prefilter_torrentview()

    def prefilter_torrentview(self):
        filter_column = self.torrentview.columns["filter"].column_indices[0]
        torrent_id_column = self.torrentview.columns["torrent_id"].column_indices[0]
        torrent_name_column = self.torrentview.columns[_("Name")].column_indices[1]

        match_case = self.match_search_button.get_active()
        if match_case:
            search_string = self.search_torrents_entry.get_text()
        else:
            search_string = self.search_torrents_entry.get_text().lower()

        if self.prefiltered is None:
            self.prefiltered = []

        for row in self.torrentview.liststore:
            torrent_id = row[torrent_id_column]

            if torrent_id in self.prefiltered:
                # Reset to previous filter state
                self.prefiltered.pop(self.prefiltered.index(torrent_id))
                row[filter_column] = not row[filter_column]


            if not row[filter_column]:
                # Row is not visible(filtered out, but not by our filter), skip it
                continue

            if match_case:
                torrent_name = row[torrent_name_column]
            else:
                torrent_name = row[torrent_name_column].lower()

            if search_string in torrent_name and not row[filter_column]:
                row[filter_column] = True
                self.prefiltered.append(torrent_id)
            elif search_string not in torrent_name and row[filter_column]:
                row[filter_column] = False
                self.prefiltered.append(torrent_id)

    def on_close_search_button_clicked(self, widget):
        self.hide()

    def on_search_filter_toggle(self, widget):
        if self.visible:
            self.hide()
        else:
            self.show()

    def on_search_torrents_match_toggled(self, widget):
        if self.search_torrents_entry.get_text():
            self.set_search_filter()
            self.search_pending = reactor.callLater(0.7, self.torrentview.update)

    def on_search_torrents_entry_icon_press(self, entry, icon, event):
        if icon != gtk.ENTRY_ICON_SECONDARY:
            return
        self.clear_search()

    def on_search_torrents_entry_changed(self, widget):
        self.set_search_filter()
        self.search_pending = reactor.callLater(0.7, self.torrentview.update)


class TorrentView(listview.ListView, component.Component):
    """TorrentView handles the listing of torrents."""
    def __init__(self):
        component.Component.__init__(self, "TorrentView", interval=2, depend=["SessionProxy"])
        self.window = component.get("MainWindow")
        # Call the ListView constructor
        listview.ListView.__init__(self, self.window.main_builder.get_object("torrent_view"), "torrentview.state")
        log.debug("TorrentView Init..")

        # If we have gotten the state yet
        self.got_state = False

        # This is where status updates are put
        self.status = {}

        # We keep a copy of the previous status to compare for changes
        self.prev_status = {}

        # Register the columns menu with the listview so it gets updated accordingly.
        self.register_checklist_menu(self.window.main_builder.get_object("menu_columns"))

        # Add the columns to the listview
        self.add_text_column("torrent_id", hidden=True)
        self.add_bool_column("dirty", hidden=True)
        self.add_func_column("#", cell_data_queue, [int],
                             status_field=["queue"],
                             sort_func=queue_column_sort)
        self.add_texticon_column(_("Name"),
                                 status_field=["state", "name"],
                                 function=cell_data_statusicon)
        self.add_func_column(_("Size"), listview.cell_data_size,
                             [gobject.TYPE_UINT64],
                             status_field=["total_wanted"])
        self.add_func_column(_("Downloaded"), listview.cell_data_size,
                             [gobject.TYPE_UINT64],
                             status_field=["all_time_download"], default=False)
        self.add_func_column(_("Uploaded"), listview.cell_data_size,
                             [gobject.TYPE_UINT64],
                             status_field=["total_uploaded"], default=False)
        self.add_progress_column(_("Progress"),
                                 status_field=["progress", "state"],
                                 col_types=[float, str],
                                 function=cell_data_progress)
        self.add_func_column(_("Seeders"), listview.cell_data_peer, [int, int],
                             status_field=["num_seeds", "total_seeds"],
                             sort_func=seed_peer_column_sort, default=False)
        self.add_func_column(_("Peers"), listview.cell_data_peer, [int, int],
                             status_field=["num_peers", "total_peers"],
                             sort_func=seed_peer_column_sort, default=False)
        self.add_func_column(_("Seeders") + "/" + _("Peers"), listview.cell_data_ratio, [float],
                             status_field=["seeds_peers_ratio"], default=False)
        self.add_func_column(_("Down Speed"), listview.cell_data_speed, [float],
                             status_field=["download_payload_rate"])
        self.add_func_column(_("Up Speed"), listview.cell_data_speed, [float],
                             status_field=["upload_payload_rate"])
        self.add_func_column(_("Down Limit"), listview.cell_data_speed_limit, [float],
                             status_field=["max_download_speed"], default=False)
        self.add_func_column(_("Up Limit"), listview.cell_data_speed_limit, [float],
                             status_field=["max_upload_speed"], default=False)
        self.add_func_column(_("ETA"), listview.cell_data_time, [int],
                             status_field=["eta"], sort_func=eta_column_sort)
        self.add_func_column(_("Ratio"), listview.cell_data_ratio, [float],
                             status_field=["ratio"], default=False)
        self.add_func_column(_("Avail"), listview.cell_data_ratio, [float],
                             status_field=["distributed_copies"], default=False)
        self.add_func_column(_("Added"), listview.cell_data_date, [float],
                             status_field=["time_added"], default=False)
        self.add_func_column(_("Last Seen Complete"),
                             listview.cell_data_date_or_never, [float],
                             status_field=["last_seen_complete"], default=False)
        self.add_texticon_column(_("Tracker"),
                                 status_field=["tracker_host", "tracker_host"],
                                 function=cell_data_trackericon, default=False)
        self.add_text_column(_("Save Path"), status_field=["save_path"], default=False)
        self.add_text_column(_("Owner"), status_field=["owner"], default=False)
        self.add_bool_column(_("Public"), status_field=["public"], default=False)
        self.restore_columns_order_from_state()
        self.add_bool_column(_("Shared"), status_field=["shared"],
                             tooltip=_("Torrent is shared between other Deluge "
                                       "users or not."), default=False)

        # Set filter to None for now
        self.filter = None

        ### Connect Signals ###
        # Connect to the 'button-press-event' to know when to bring up the
        # torrent menu popup.
        self.treeview.connect("button-press-event", self.on_button_press_event)
        # Connect to the 'key-press-event' to know when the bring up the
        # torrent menu popup via keypress.
        self.treeview.connect("key-release-event", self.on_key_press_event)
        # Connect to the 'changed' event of TreeViewSelection to get selection
        # changes.
        self.treeview.get_selection().connect("changed", self.on_selection_changed)

        self.treeview.connect("drag-drop", self.on_drag_drop)
        self.treeview.connect("drag_data_received", self.on_drag_data_received)
        self.treeview.connect("key-press-event", self.on_key_press_event)
        self.treeview.connect("columns-changed", self.on_columns_changed_event)

        client.register_event_handler("TorrentStateChangedEvent", self.on_torrentstatechanged_event)
        client.register_event_handler("TorrentAddedEvent", self.on_torrentadded_event)
        client.register_event_handler("TorrentRemovedEvent", self.on_torrentremoved_event)
        client.register_event_handler("SessionPausedEvent", self.on_sessionpaused_event)
        client.register_event_handler("SessionResumedEvent", self.on_sessionresumed_event)
        client.register_event_handler("TorrentQueueChangedEvent", self.on_torrentqueuechanged_event)

        self.search_box = SearchBox(self)
        self.permanent_status_keys = ["owner"]

    def start(self):
        """Start the torrentview"""
        # We need to get the core session state to know which torrents are in
        # the session so we can add them to our list.
        # Only get the status fields required for the visible columns
        status_fields = []
        for listview_column in self.columns.values():
            if listview_column.column.get_visible():
                if not listview_column.status_field:
                    continue
                status_fields.extend(listview_column.status_field)
        component.get("SessionProxy").get_torrents_status(
            {}, status_fields).addCallback(self._on_session_state)

    def _on_session_state(self, state):
        self.treeview.freeze_child_notify()
        model = self.treeview.get_model()
        for torrent_id in state:
            self.add_row(torrent_id, update=False)
            self.mark_dirty(torrent_id)
        self.treeview.set_model(model)
        self.treeview.thaw_child_notify()
        self.got_state = True
        # Update the view right away with our status
        self.status = state
        self.set_columns_to_update()
        self.update_view()

    def stop(self):
        """Stops the torrentview"""
        # We need to clear the liststore
        self.treeview.get_selection().unselect_all()
        self.liststore.clear()
        self.prev_status = {}
        self.filter = None
        self.search_box.hide()

    def shutdown(self):
        """Called when GtkUi is exiting"""
        if self.window.visible():
            self.save_state()

    def save_state(self):
        """
        Saves the state of the torrent view.
        """
        listview.ListView.save_state(self, "torrentview.state")

    def remove_column(self, header):
        """Removes the column with the name 'header' from the torrentview"""
        self.save_state()
        listview.ListView.remove_column(self, header)

    def set_filter(self, filter_dict):
        """
        Sets filters for the torrentview..

        see: core.get_torrents_status
        """
        self.treeview.get_selection().unselect_all()
        search_filter = self.filter and self.filter.get('name', None) or None
        self.filter = dict(filter_dict) #copied version of filter_dict.
        if search_filter and 'name' not in filter_dict:
            self.filter['name'] = search_filter
        self.update()

    def set_columns_to_update(self, columns=None):
        status_keys = []
        self.columns_to_update = []

        if columns is None:
            # We need to iterate through all columns
            columns = self.columns.keys()

        # Iterate through supplied list of columns to update
        for column in columns:
            # Make sure column is visible and has 'status_field' set.
            # If not, we can ignore it.
            if self.columns[column].column.get_visible() is True \
                and self.columns[column].hidden is False \
                and self.columns[column].status_field is not None:
                for field in self.columns[column].status_field:
                    status_keys.append(field)
                    self.columns_to_update.append(column)

        # Remove duplicates
        self.columns_to_update = list(set(self.columns_to_update))
        status_keys = list(set(status_keys + self.permanent_status_keys))
        return status_keys

    def send_status_request(self, columns=None):
        # Store the 'status_fields' we need to send to core
        status_keys = self.set_columns_to_update(columns)

        # If there is nothing in status_keys then we must not continue
        if status_keys is []:
            return

        # Remove duplicates from status_key list
        status_keys = list(set(status_keys))

        # Request the statuses for all these torrent_ids, this is async so we
        # will deal with the return in a signal callback.
        component.get("SessionProxy").get_torrents_status(
            self.filter, status_keys).addCallback(self._on_get_torrents_status)

    def update(self):
        if self.got_state:
            if self.search_box.search_pending is not None and self.search_box.search_pending.active():
                # An update request is scheduled, let's wait for that one
                return
            # Send a status request
            gobject.idle_add(self.send_status_request)

    def update_view(self, columns=None):
        """Update the view.  If columns is not None, it will attempt to only
        update those columns selected.
        """
        filter_column = self.columns["filter"].column_indices[0]
        # Update the torrent view model with data we've received
        status = self.status

        for row in self.liststore:
            torrent_id = row[self.columns["torrent_id"].column_indices[0]]

            if not torrent_id in status.keys():
                row[filter_column] = False
            else:
                row[filter_column] = True
                if torrent_id in self.prev_status and status[torrent_id] == self.prev_status[torrent_id]:
                    # The status dict is the same, so do not update
                    continue

                # Set values for each column in the row
                for column in self.columns_to_update:
                    column_index = self.get_column_index(column)
                    for i, status_field in enumerate(self.columns[column].status_field):
                        if status_field in status[torrent_id]:
                            try:
                                # Only update if different
                                row_value = status[torrent_id][status_field]
                                if row[column_index[i]] != row_value:
                                    row[column_index[i]] = row_value
                            except Exception, e:
                                log.debug("Error while updating row for column "
                                          "index %d, status field %r, value %r:"
                                          " %s", column_index[0], status_field,
                                          row_value, e)

        component.get("MenuBar").update_menu()

        self.prev_status = status

    def _on_get_torrents_status(self, status):
        """Callback function for get_torrents_status().  'status' should be a
        dictionary of {torrent_id: {key, value}}."""
        self.status = status
        if self.search_box.prefiltered is not None:
            self.search_box.prefiltered = None
        if self.status == self.prev_status and self.prev_status:
            # We do not bother updating since the status hasn't changed
            self.prev_status = self.status
            return
        gobject.idle_add(self.update_view)

    def add_row(self, torrent_id, update=True):
        """Adds a new torrent row to the treeview"""
        # Make sure this torrent isn't already in the list
        for row in self.liststore:
            if row[self.columns["torrent_id"].column_indices[0]] == torrent_id:
                # Row already in the list
                return
        # Insert a new row to the liststore
        row = self.liststore.append()
        # Store the torrent id
        self.liststore.set_value(row, self.columns["torrent_id"].column_indices[0], torrent_id)
        if update:
            self.update()

    def remove_row(self, torrent_id):
        """Removes a row with torrent_id"""
        for row in self.liststore:
            if row[self.columns["torrent_id"].column_indices[0]] == torrent_id:
                self.liststore.remove(row.iter)
                # Force an update of the torrentview
                self.update()
                break

    def mark_dirty(self, torrent_id = None):
        for row in self.liststore:
            if not torrent_id or row[self.columns["torrent_id"].column_indices[0]] == torrent_id:
                #log.debug("marking %s dirty", torrent_id)
                row[self.columns["dirty"].column_indices[0]] = True
                if torrent_id: break

    def get_selected_torrent(self):
        """Returns a torrent_id or None.  If multiple torrents are selected,
        it will return the torrent_id of the first one."""
        selected = self.get_selected_torrents()
        if selected:
            return selected[0]
        else:
            return selected

    def get_selected_torrents(self):
        """Returns a list of selected torrents or None"""
        torrent_ids = []
        try:
            paths = self.treeview.get_selection().get_selected_rows()[1]
        except AttributeError:
            # paths is likely None .. so lets return []
            return []
        try:
            for path in paths:
                try:
                    row = self.treeview.get_model().get_iter(path)
                except Exception, e:
                    log.debug("Unable to get iter from path: %s", e)
                    continue

                child_row = self.treeview.get_model().convert_iter_to_child_iter(None, row)
                child_row = self.treeview.get_model().get_model().convert_iter_to_child_iter(child_row)
                if self.liststore.iter_is_valid(child_row):
                    try:
                        value = self.liststore.get_value(child_row, self.columns["torrent_id"].column_indices[0])
                    except Exception, e:
                        log.debug("Unable to get value from row: %s", e)
                    else:
                        torrent_ids.append(value)
            if len(torrent_ids) == 0:
                return []

            return torrent_ids
        except (ValueError, TypeError):
            return []

    def get_torrent_status(self, torrent_id):
        """Returns data stored in self.status, it may not be complete"""
        try:
            return self.status[torrent_id]
        except:
            return {}

    def get_visible_torrents(self):
        return self.status.keys()

    ### Callbacks ###
    def on_button_press_event(self, widget, event):
        """This is a callback for showing the right-click context menu."""
        log.debug("on_button_press_event")
        # We only care about right-clicks
        if event.button == 3:
            x, y = event.get_coords()
            path = self.treeview.get_path_at_pos(int(x), int(y))
            if not path:
                return
            row = self.model_filter.get_iter(path[0])

            if self.get_selected_torrents():
                if self.model_filter.get_value(row, self.columns["torrent_id"].column_indices[0]) not in self.get_selected_torrents():
                    self.treeview.get_selection().unselect_all()
                    self.treeview.get_selection().select_iter(row)
            else:
                self.treeview.get_selection().select_iter(row)
            torrentmenu = component.get("MenuBar").torrentmenu
            torrentmenu.popup(None, None, None, event.button, event.time)
            return True

    def on_selection_changed(self, treeselection):
        """This callback is know when the selection has changed."""
        log.debug("on_selection_changed")
        component.get("TorrentDetails").update()
        component.get("MenuBar").update_menu()

    def on_drag_drop(self, widget, drag_context, x, y, timestamp):
        widget.stop_emission("drag-drop")

    def on_drag_data_received(self, widget, drag_context, x, y, selection_data, info, timestamp):
        widget.stop_emission("drag_data_received")

    def on_columns_changed_event(self, treeview):
        log.debug("Treeview Columns Changed")
        self.save_state()

    def on_torrentadded_event(self, torrent_id, from_state):
        self.add_row(torrent_id)
        self.mark_dirty(torrent_id)

    def on_torrentremoved_event(self, torrent_id):
        self.remove_row(torrent_id)

    def on_torrentstatechanged_event(self, torrent_id, state):
        # Update the torrents state
        for row in self.liststore:
            if not torrent_id == row[self.columns["torrent_id"].column_indices[0]]:
                continue

            for name in self.columns_to_update:
                if not self.columns[name].status_field:
                    continue
                for idx, status_field in enumerate(self.columns[name].status_field):
                    # Update all columns that use the state field to current state
                    if status_field != 'state':
                        continue
                    row[self.get_column_index(name)[idx]] = state

            if self.filter.get('state', None) is not None:
                # We have a filter set, let's see if theres anything to hide
                # and remove from status
                if torrent_id in self.status and self.status[torrent_id]['state'] != state:
                    row[self.columns["filter"].column_indices[0]] = False
                    del self.status[torrent_id]

        self.mark_dirty(torrent_id)

    def on_sessionpaused_event(self):
        self.mark_dirty()
        self.update()

    def on_sessionresumed_event(self):
        self.mark_dirty()
        self.update()

    def on_torrentqueuechanged_event(self):
        self.mark_dirty()
        self.update()

    # Handle keyboard shortcuts
    def on_key_press_event(self, widget, event):
        keyname = gtk.gdk.keyval_name(event.keyval)
        if keyname is not None:
            func = getattr(self, 'keypress_' + keyname, None)
            if func:
                return func(event)

    def keypress_Delete(self, event):
        log.debug("keypress_Delete")
        torrents = self.get_selected_torrents()
        if torrents:
            RemoveTorrentDialog(torrents).run()

    def keypress_Menu(self, event):
        log.debug("keypress_Menu")
        if not self.get_selected_torrent():
            return

        torrentmenu = component.get("MenuBar").torrentmenu
        torrentmenu.popup(None, None, None, 3, event.time)
        return True
