we can now resume filetransfert

src/common/connection.py

@@ -871,6 +871,15 @@ class Connection:
 			return
 		file_props['receiver'] = self.get_full_jid(iq_obj)
 		si = iq_obj.getTag('si')
+		file_tag = si.getTag('file')
+		range_tag = file_tag.getTag('range')
+		if range_tag:
+			offset = range_tag.getAttr('offset')
+			if offset:
+				file_props['offset'] = int(offset)
+			length = range_tag.getAttr('length')
+			if length:
+				file_props['length'] = int(length)
 		feature = si.setTag('feature')
 		if feature.getNamespace() != common.xmpp.NS_FEATURE:
 			return
@@ -1054,6 +1063,9 @@ class Connection:
 		si.setNamespace(common.xmpp.NS_SI)
 		file_tag = si.setTag('file')
 		file_tag.setNamespace(common.xmpp.NS_FILE)
+		if file_props.has_key('offset') and file_props['offset']:
+			range_tag = file_tag.setTag('range')
+			range_tag.setAttr('offset', file_props['offset'])
 		feature = si.setTag('feature')
 		feature.setNamespace(common.xmpp.NS_FEATURE)
 		_feature = common.xmpp.DataForm(typ='submit')

src/common/socks5.py

@@ -366,6 +366,10 @@ class Socks5:
 		if self.fd == None:
 			try:
 				self.fd = open(self.file_props['file-name'],'rb')
+				if self.file_props.has_key('offset') and self.file_props['offset']:
+					self.size = self.file_props['offset']
+					self.fd.seek(self.size)
+					self.file_props['received-len'] = self.size
 			except IOError, e:
 				self.close_file()
 				raise IOError, e
@@ -383,11 +387,16 @@ class Socks5:
 		if self.file_props.has_key('fd'):
 			fd = self.file_props['fd']
 		else:
-			fd = open(self.file_props['file-name'],'wb')
+			offset = 0
+			opt = 'wb'
+			if self.file_props.has_key('offset') and self.file_props['offset']:
+				offset = self.file_props['offset']
+				opt = 'ab'
+			fd = open(self.file_props['file-name'], opt)
 			self.file_props['fd'] = fd
 			self.file_props['elapsed-time'] = 0
 			self.file_props['last-time'] = time.time()
-			self.file_props['received-len'] = 0
+			self.file_props['received-len'] = offset
 		return fd
 
 	def rem_fd(self, fd):

src/dialogs.py

@@ -563,6 +563,29 @@ class ConfirmationDialogCheck(ConfirmationDialog):
 		''' Get active state of the checkbutton '''
 		return self.checkbutton.get_active()
 
+class FTOverwriteConfirmationDialog(ConfirmationDialog):
+	'''HIG compliant confirmation dialog to overwrite or resume a file transfert'''
+	def __init__(self, pritext, sectext='', propose_resume=True):
+		HigDialog.__init__(self, None, gtk.MESSAGE_QUESTION, gtk.BUTTONS_CANCEL,
+			pritext, sectext)
+
+		if propose_resume:
+			b = gtk.Button('', gtk.STOCK_REFRESH)
+			align = b.get_children()[0]
+			hbox = align.get_children()[0]
+			label = hbox.get_children()[1]
+			label.set_text('_Resume')
+			label.set_use_underline(True)
+			self.add_action_widget(b, 100)
+
+		b = gtk.Button('', gtk.STOCK_SAVE_AS)
+		align = b.get_children()[0]
+		hbox = align.get_children()[0]
+		label = hbox.get_children()[1]
+		label.set_text('Re_place')
+		label.set_use_underline(True)
+		self.add_action_widget(b, 200)
+
 class InputDialog:
 	'''Class for Input dialog'''
 	def __init__(self, title, label_str, input_str = None, is_modal = True,

src/filetransfers_window.py

@@ -300,6 +300,24 @@ _('Connection with peer cannot be established.'))
 		gajim.connections[account].send_file_request(file_props)
 		return True
 	
+	def confirm_overwrite_cb(self, dialog, file_props):
+		file_path = dialog.get_filename()
+		file_path = file_path.decode('utf-8')
+		if os.path.exists(file_path):
+			stat = os.stat(file_path)
+			dl_size = stat.st_size
+			file_size = file_props['size']
+			dl_finished = dl_size >= file_size
+			dialog = dialogs.FTOverwriteConfirmationDialog(
+				_('This file already exists'), _('Would you like to overwrite it?'),
+				not dl_finished)
+			response = dialog.get_response()
+			if response == gtk.RESPONSE_CANCEL:
+				return gtk.FILE_CHOOSER_CONFIRMATION_SELECT_AGAIN
+			elif response == 100:
+				file_props['offset'] = dl_size
+		return gtk.FILE_CHOOSER_CONFIRMATION_ACCEPT_FILENAME
+
 	def show_file_request(self, account, contact, file_props):
 		''' show dialog asking for comfirmation and store location of new
 		file requested by a contact'''
@@ -326,6 +344,8 @@ _('Connection with peer cannot be established.'))
 			gtk28 = False
 			if gtk.gtk_version >= (2, 8, 0) and gtk.pygtk_version >= (2, 8, 0):
 				dialog.props.do_overwrite_confirmation = True
+				dialog.connect('confirm-overwrite', self.confirm_overwrite_cb,
+					file_props)
 				gtk28 = True
 			if last_save_dir and os.path.isdir(last_save_dir):
 				dialog.set_current_folder(last_save_dir)