Add logos for sent and received messages

Oh my God, there are images now!

sms.py

@@ -266,9 +266,37 @@ class Web_Service (BaseHTTPRequestHandler):
 				self.end_headers ()
 				self.wfile.write ((
 					html_header (title = 'Termux WebSMS') +
-					html_iframe ('/list', height = '100%', width = '30%', name = 'list') + html_iframe ('about:blank', height = '100%', width = '70%', name = 'messages') +
+					html_iframe ('/list', height = '100%', width = '30%', name = 'list') + html_iframe ('about:blank', height = '100%', width = '70%', name = 'thread') +
 					html_footer ()
 					).encode ('utf-8'))
+			elif self.path == '/up.svg':
+				self.send_response (200)
+				self.send_header ('Content-type', 'image/svg+xml; charset=UTF-8')
+				self.end_headers ()
+				self.wfile.write ((
+					'<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128">\n' +
+					'\t<g>\n' +
+					'\t\t<path\n' +
+					'\t\t\tstyle="fill:#000000;stroke:#000000;stroke-width:0.264583"\n' +
+					'\t\t\td="M 42,128 86,128 86,64 128,64 64,0 0,64 42,64 Z"\n' +
+					'\t\t/>\n' +
+					'\t</g>\n' +
+					'</svg>'
+					).encode ('utf-8'))
+			elif self.path == '/down.svg':
+				self.send_response (200)
+				self.send_header ('Content-type', 'image/svg+xml; charset=UTF-8')
+				self.end_headers ()
+				self.wfile.write ((
+					'<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128">\n' +
+					'\t<g>\n' +
+					'\t\t<path\n' +
+					'\t\t\tstyle="fill:#000000;stroke:#000000;stroke-width:0.264583"\n' +
+					'\t\t\td="M 42,0 86,0 86,64 128,64 64,128 0,64 42,64 Z"\n' +
+					'\t\t/>\n' +
+					'\t</g>\n' +
+					'</svg>'
+					).encode ('utf-8'))
 			elif self.path == '/list':
 				self.send_response (200)
 				self.send_header ('Content-type', 'text/html; charset=UTF-8')
@@ -279,11 +307,11 @@ class Web_Service (BaseHTTPRequestHandler):
 					s = ls [i] [0] + ' (' + str (ls [i] [3]) + ')'
 					if len (ls [i]) == 5:
 						s = ls [i] [4] + ' (' + str (ls [i] [3]) + ')'
-					lst.append (html_link ('/?thread=' + str (i), text = s, target = 'messages'))
+					lst.append (html_link ('/?thread=' + str (i), text = s, target = 'thread'))
 				self.wfile.write ((
 					html_header (title = 'Conversations list') +
 					html_title ('Conversation') +
-					html_paragraph (html_link ('/new', text = 'New conversation', target = 'messages')) +
+					html_paragraph (html_link ('/new', text = 'New conversation', target = 'thread')) +
 					html_paragraph (html_link ('/list', text = 'Refresh list')) +
 					html_paragraph ('List of conversations follows:') +
 					html_list (lst) +
@@ -349,13 +377,6 @@ class Web_Service (BaseHTTPRequestHandler):
 				self.send_response (200)
 				self.send_header ('Content-type', 'text/html; charset=UTF-8')
 				self.end_headers ()
-				msgs = ''
-				for i in sorted (conv, key = lambda item: item [0], reverse = True) [0:2000]:
-					msgs += html_message (i [2], not i [1], i [0], '↓' if i [1] else '↑')
-				if name is None:
-					name = number
-				else:
-					name = name + ' (' + number + ')'
 				self.wfile.write ((
 					html_header (title = 'Conversation with ' + name) +
 					html_title (name) +
@@ -365,6 +386,39 @@ class Web_Service (BaseHTTPRequestHandler):
 						html_form_submit ('Send'),
 						'/send'
 						) +
+					html_iframe ('/messages?thread=' + str (id), , height = '100%', width = '100%', name = 'messages')
+					html_footer ()
+					).encode ('utf-8'))
+			elif self.path [0:17] == '/messages?thread=':
+				try:
+					id = self.path [17:]
+					number, name, conv = sms.get_thread (id)
+					if number is None:
+						raise (IndexError)
+				except (ValueError, IndexError):
+					self.send_response (404)
+					self.send_header ('Content-type', 'text/html')
+					self.end_headers ()
+					self.wfile.write ((
+						html_header (title = 'Page not found') +
+						html_title ('Not found') +
+						html_paragraph ('This page does not exist. You cas return to the ' + html_link ('/', text = 'home') + '.') +
+						html_footer ()
+						).encode ('utf-8'))
+					return ()
+				self.send_response (200)
+				self.send_header ('Content-type', 'text/html; charset=UTF-8')
+				self.send_header ('Refresh', '10')
+				self.end_headers ()
+				msgs = ''
+				for i in sorted (conv, key = lambda item: item [0], reverse = True) [0:2000]:
+					msgs += html_message (i [2], not i [1], i [0], '↓' if i [1] else '↑', avatar = 'down.svg' if i [1] else 'up.svg')
+				if name is None:
+					name = number
+				else:
+					name = name + ' (' + number + ')'
+				self.wfile.write ((
+					html_header (title = 'Conversation with ' + name) +
 					html_link (self.path, text = 'Refresh') +
 					msgs +
 					html_footer ()