NomadNet/nomadnet/ui/textui/Conversations.py

412 lines
16 KiB
Python

import RNS
import time
import nomadnet
import LXMF
import urwid
from datetime import datetime
from nomadnet.Directory import DirectoryEntry
class ConversationListDisplayShortcuts():
def __init__(self, app):
self.app = app
self.widget = urwid.AttrMap(urwid.Text("[Enter] Open [C-a] Add to directory [C-x] Delete [C-n] New"), "shortcutbar")
class ConversationDisplayShortcuts():
def __init__(self, app):
self.app = app
self.widget = urwid.AttrMap(urwid.Text("[C-d] Send [C-k] Clear [C-t] Add Title [C-w] Close Conversation"), "shortcutbar")
class ConversationsArea(urwid.LineBox):
def keypress(self, size, key):
if key == "ctrl a":
self.delegate.add_selected_to_directory()
elif key == "ctrl x":
self.delegate.delete_selected_conversation()
elif key == "ctrl n":
self.delegate.new_conversation()
else:
return super(ConversationsArea, self).keypress(size, key)
class ConversationsDisplay():
list_width = 0.33
cached_conversation_widgets = {}
def __init__(self, app):
self.app = app
self.dialog_open = False
def disp_list_shortcuts(sender, arg1, arg2):
self.shortcuts_display = self.list_shortcuts
self.app.ui.main_display.update_active_shortcuts()
self.update_listbox()
self.columns_widget = urwid.Columns([("weight", ConversationsDisplay.list_width, self.listbox), ("weight", 1-ConversationsDisplay.list_width, self.make_conversation_widget(None))], dividechars=0, focus_column=0, box_columns=[0])
self.list_shortcuts = ConversationListDisplayShortcuts(self.app)
self.editor_shortcuts = ConversationDisplayShortcuts(self.app)
self.shortcuts_display = self.list_shortcuts
self.widget = self.columns_widget
nomadnet.Conversation.created_callback = self.update_conversation_list
def focus_change_event(self):
# This hack corrects buggy styling behaviour in IndicativeListBox
if not self.dialog_open:
ilb_position = self.ilb.get_selected_position()
self.update_conversation_list()
self.ilb.select_item(ilb_position)
def update_listbox(self):
from nomadnet.vendor.additional_urwid_widgets import IndicativeListBox
conversation_list_widgets = []
for conversation in self.app.conversations():
conversation_list_widgets.append(self.conversation_list_widget(conversation))
walker = urwid.SimpleFocusListWalker(conversation_list_widgets)
self.list_widgets = conversation_list_widgets
self.ilb = IndicativeListBox(
self.list_widgets,
on_selection_change=self.conversation_list_selection,
initialization_is_selection_change=False,
highlight_offFocus="list_off_focus"
)
self.listbox = ConversationsArea(urwid.Filler(self.ilb, height=("relative", 100)))
self.listbox.delegate = self
def delete_selected_conversation(self):
self.dialog_open = True
source_hash = self.ilb.get_selected_item().source_hash
def dismiss_dialog(sender):
self.update_conversation_list()
self.dialog_open = False
def confirmed(sender):
self.dialog_open = False
self.delete_conversation(source_hash)
nomadnet.Conversation.delete_conversation(source_hash, self.app)
self.update_conversation_list()
dialog = urwid.LineBox(
urwid.Pile([
urwid.Text("Delete conversation with\n"+self.app.directory.simplest_display_str(bytes.fromhex(source_hash))+"\n", align="center"),
urwid.Columns([("weight", 0.45, urwid.Button("Yes", on_press=confirmed)), ("weight", 0.1, urwid.Text("")), ("weight", 0.45, urwid.Button("No", on_press=dismiss_dialog))])
]), title="?"
)
bottom = self.listbox
overlay = urwid.Overlay(dialog, bottom, align="center", width=("relative", 100), valign="middle", height="pack", left=2, right=2)
options = self.columns_widget.options("weight", ConversationsDisplay.list_width)
self.columns_widget.contents[0] = (overlay, options)
def add_selected_to_directory(self):
self.dialog_open = True
source_hash = self.ilb.get_selected_item().source_hash
display_name = self.ilb.get_selected_item().display_name
e_id = urwid.Edit(caption="ID : ",edit_text=source_hash)
e_name = urwid.Edit(caption="Name : ",edit_text=display_name)
trust_button_group = []
r_untrusted = urwid.RadioButton(trust_button_group, "Untrusted")
r_unknown = urwid.RadioButton(trust_button_group, "Unknown", state=True)
r_trusted = urwid.RadioButton(trust_button_group, "Trusted")
def dismiss_dialog(sender):
self.update_conversation_list()
self.dialog_open = False
def confirmed(sender):
try:
display_name = e_name.get_edit_text()
source_hash = bytes.fromhex(e_id.get_edit_text())
trust_level = DirectoryEntry.UNTRUSTED
if r_unknown.state == True:
trust_level = DirectoryEntry.UNKNOWN
elif r_trusted.state == True:
trust_level = DirectoryEntry.TRUSTED
entry = DirectoryEntry(source_hash, display_name, trust_level)
self.app.directory.remember(entry)
self.update_conversation_list()
self.dialog_open = False
except Exception as e:
RNS.log("Could not save directory entry. The contained exception was: "+str(e), RNS.LOG_VERBOSE)
if not dialog_pile.error_display:
dialog_pile.error_display = True
options = dialog_pile.options(height_type="pack")
dialog_pile.contents.append((urwid.Text(""), options))
dialog_pile.contents.append((urwid.Text(("error_text", "Could not save entry. Check your input."), align="center"), options))
dialog_pile = urwid.Pile([
e_id,
e_name,
urwid.Text(""),
r_untrusted,
r_unknown,
r_trusted,
urwid.Text(""),
urwid.Columns([("weight", 0.45, urwid.Button("Add", on_press=confirmed)), ("weight", 0.1, urwid.Text("")), ("weight", 0.45, urwid.Button("Cancel", on_press=dismiss_dialog))])
])
dialog_pile.error_display = False
dialog = urwid.LineBox(dialog_pile, title="Add to Directory")
bottom = self.listbox
overlay = urwid.Overlay(dialog, bottom, align="center", width=("relative", 100), valign="middle", height="pack", left=2, right=2)
options = self.columns_widget.options("weight", ConversationsDisplay.list_width)
self.columns_widget.contents[0] = (overlay, options)
def new_conversation(self):
pass
def delete_conversation(self, source_hash):
if source_hash in ConversationsDisplay.cached_conversation_widgets:
conversation = ConversationsDisplay.cached_conversation_widgets[source_hash]
self.close_conversation(conversation)
def conversation_list_selection(self, arg1, arg2):
pass
def update_conversation_list(self):
ilb_position = self.ilb.get_selected_position()
self.update_listbox()
options = self.columns_widget.options("weight", ConversationsDisplay.list_width)
self.columns_widget.contents[0] = (self.listbox, options)
self.ilb.select_item(ilb_position)
nomadnet.NomadNetworkApp.get_shared_instance().ui.loop.draw_screen()
def display_conversation(self, sender=None, source_hash=None):
self.currently_displayed_conversation = source_hash
options = self.widget.options("weight", 1-ConversationsDisplay.list_width)
self.widget.contents[1] = (self.make_conversation_widget(source_hash), options)
def make_conversation_widget(self, source_hash):
if source_hash in ConversationsDisplay.cached_conversation_widgets:
conversation_widget = ConversationsDisplay.cached_conversation_widgets[source_hash]
if source_hash != None:
conversation_widget.update_message_widgets(replace=True)
return conversation_widget
else:
widget = ConversationWidget(source_hash)
widget.delegate = self
ConversationsDisplay.cached_conversation_widgets[source_hash] = widget
return widget
def close_conversation(self, conversation):
ConversationsDisplay.cached_conversation_widgets.pop(conversation.source_hash)
self.display_conversation(sender=None, source_hash=None)
def conversation_list_widget(self, conversation):
trust_level = conversation[2]
display_name = conversation[1]
source_hash = conversation[0]
if trust_level == DirectoryEntry.UNTRUSTED:
symbol = "x"
style = "list_untrusted"
elif trust_level == DirectoryEntry.UNKNOWN:
symbol = "?"
style = "list_unknown"
elif trust_level == DirectoryEntry.TRUSTED:
symbol = "\u2713"
style = "list_trusted"
elif trust_level == DirectoryEntry.WARNING:
symbol = "\u26A0"
style = "list_warning"
else:
symbol = "\u26A0"
style = "list_warning"
display_text = symbol
if display_name != None:
display_text += " "+display_name
if trust_level != DirectoryEntry.TRUSTED:
display_text += " <"+source_hash+">"
widget = ListEntry(display_text)
urwid.connect_signal(widget, "click", self.display_conversation, conversation[0])
display_widget = urwid.AttrMap(widget, style, "list_focus")
display_widget.source_hash = source_hash
display_widget.display_name = display_name
return display_widget
def shortcuts(self):
focus_path = self.widget.get_focus_path()
if focus_path[0] == 0:
return self.list_shortcuts
elif focus_path[0] == 1:
return self.editor_shortcuts
else:
return self.list_shortcuts
class ListEntry(urwid.Text):
_selectable = True
signals = ["click"]
def keypress(self, size, key):
"""
Send 'click' signal on 'activate' command.
"""
if self._command_map[key] != urwid.ACTIVATE:
return key
self._emit('click')
def mouse_event(self, size, event, button, x, y, focus):
"""
Send 'click' signal on button 1 press.
"""
if button != 1 or not urwid.util.is_mouse_press(event):
return False
self._emit('click')
return True
class MessageEdit(urwid.Edit):
def keypress(self, size, key):
if key == "ctrl d":
self.delegate.send_message()
elif key == "ctrl k":
self.delegate.clear_editor()
elif key == "ctrl w":
self.delegate.close()
else:
return super(MessageEdit, self).keypress(size, key)
class ConversationWidget(urwid.WidgetWrap):
def __init__(self, source_hash):
if source_hash == None:
display_widget = urwid.LineBox(urwid.Filler(urwid.Text("No conversation selected"), "top"))
urwid.WidgetWrap.__init__(self, display_widget)
else:
if source_hash in ConversationsDisplay.cached_conversation_widgets:
return ConversationsDisplay.cached_conversation_widgets[source_hash]
else:
self.source_hash = source_hash
self.conversation = nomadnet.Conversation(source_hash, nomadnet.NomadNetworkApp.get_shared_instance())
self.message_widgets = []
self.updating_message_widgets = False
self.update_message_widgets()
self.conversation.register_changed_callback(self.conversation_changed)
msg_editor = MessageEdit(caption="\u270E", edit_text="", multiline=True)
msg_editor.delegate = self
header = None
if self.conversation.trust_level == DirectoryEntry.UNTRUSTED:
header = urwid.AttrMap(urwid.Padding(urwid.Text("\u26A0 Warning: Conversation with untrusted peer \u26A0", align="center")), "msg_warning_untrusted")
self.editor = msg_editor
self.frame = urwid.Frame(
self.messagelist,
header=header,
footer=urwid.AttrMap(msg_editor, "msg_editor")
)
self.display_widget = urwid.LineBox(
self.frame
)
urwid.WidgetWrap.__init__(self, self.display_widget)
def conversation_changed(self, conversation):
self.update_message_widgets(replace = True)
def update_message_widgets(self, replace = False):
while self.updating_message_widgets:
time.sleep(0.5)
self.updating_message_widgets = True
self.message_widgets = []
added_hashes = []
for message in self.conversation.messages:
message_hash = message.get_hash()
if not message_hash in added_hashes:
added_hashes.append(message_hash)
message_widget = LXMessageWidget(message)
self.message_widgets.append(message_widget)
self.message_widgets.sort(key=lambda m: m.timestamp, reverse=False)
from nomadnet.vendor.additional_urwid_widgets import IndicativeListBox
self.messagelist = IndicativeListBox(self.message_widgets, position = len(self.message_widgets)-1)
if replace:
self.frame.contents["body"] = (self.messagelist, None)
nomadnet.NomadNetworkApp.get_shared_instance().ui.loop.draw_screen()
self.updating_message_widgets = False
def clear_editor(self):
self.editor.set_edit_text("")
def send_message(self):
content = self.editor.get_edit_text()
if not content == "":
self.conversation.send(content)
self.clear_editor()
def close(self):
self.delegate.close_conversation(self)
class LXMessageWidget(urwid.WidgetWrap):
def __init__(self, message):
app = nomadnet.NomadNetworkApp.get_shared_instance()
self.timestamp = message.get_timestamp()
time_format = app.time_format
message_time = datetime.fromtimestamp(self.timestamp)
title_string = message_time.strftime(time_format)
if app.lxmf_destination.hash == message.lxm.source_hash:
if message.lxm.state == LXMF.LXMessage.DELIVERED:
header_style = "msg_header_delivered"
title_string = "\u2713 " + title_string
else:
header_style = "msg_header_sent"
title_string = "\u2192 " + title_string
else:
if message.signature_validated():
header_style = "msg_header_ok"
title_string = "\u2713 " + title_string
else:
header_style = "msg_header_caution"
title_string = "\u26A0 "+message.get_signature_description() + "\n " + title_string
if message.get_title() != "":
title_string += " | " + message.get_title()
title = urwid.AttrMap(urwid.Text(title_string), header_style)
display_widget = urwid.Pile([
title,
urwid.Text(message.get_content()),
urwid.Text("")
])
urwid.WidgetWrap.__init__(self, display_widget)