initial fixes for file transfers - messages, widgets

toxygen/file_transfers/file_transfers_messages_service.py

@@ -0,0 +1,58 @@
+from messenger.messenger import *
+import utils.util as util
+from file_transfers.file_transfers import *
+
+
+class FileTransfersMessagesService:
+
+    def __init__(self, contacts_manager, messages_items_factory, profile, main_screen):
+        self._contacts_manager = contacts_manager
+        self._messages_items_factory = messages_items_factory
+        self._profile = profile
+        self._messages = main_screen.messages
+
+    def add_incoming_transfer_message(self, friend, accepted, size, file_name, file_number):
+        author = MessageAuthor(friend.name, MESSAGE_AUTHOR['FRIEND'])
+        status = FILE_TRANSFER_STATE['RUNNING'] if accepted else FILE_TRANSFER_STATE['INCOMING_NOT_STARTED']
+        tm = TransferMessage(author, util.get_unix_time(), status, size, file_name, friend.number, file_number)
+
+        if self._is_active(friend.number):
+            self._create_file_transfer_item(tm)
+            self._messages.scrollToBottom()
+        else:
+            friend.actions = True
+
+        friend.append_message(tm)
+
+    def add_outgoing_transfer_message(self, friend, size, file_name, file_number):
+        author = MessageAuthor(self._profile.name, MESSAGE_AUTHOR['ME'])
+        status = FILE_TRANSFER_STATE['OUTGOING_NOT_STARTED']
+        tm = TransferMessage(author, util.get_unix_time(), status, size, file_name, friend.number, file_number)
+
+        if self._is_active(friend.number):
+            self._create_file_transfer_item(tm)
+            self._messages.scrollToBottom()
+
+        friend.append_message(tm)
+
+    def add_inline_message(self, transfer, index):
+        if self._is_active(transfer.friend_number):
+            count = self._messages.count()
+            if count + index + 1 >= 0:
+                self._create_inline_item(transfer.data, count + index + 1)
+
+    # -----------------------------------------------------------------------------------------------------------------
+    # Private methods
+    # -----------------------------------------------------------------------------------------------------------------
+
+    def _is_active(self, friend_number):
+        if not self._contacts_manager.is_active_a_friend():
+            return False
+
+        return friend_number == self._contacts_manager.get_active_number()
+
+    def _create_file_transfer_item(self, tm):
+        return self._messages_items_factory.create_file_transfer_item(tm)
+
+    def _create_inline_item(self, data, position):
+        return self._messages_items_factory.create_inline_item(data, False, position)