Start refactoring chat. Get the UI to show as a slide in (ctrl+up)

sugar/chat/Chat.py

@@ -0,0 +1,418 @@
+#!/usr/bin/env python
+
+import base64
+import sha
+
+import dbus
+import dbus.service
+import dbus.glib
+import threading
+
+import pygtk
+pygtk.require('2.0')
+import gtk, gobject, pango
+
+from sugar.shell import activity
+from sugar.presence.Group import Group
+from sugar.presence import Buddy
+from sugar.presence.Service import Service
+from sugar.p2p.Stream import Stream
+from sugar.p2p import network
+from sugar.session.LogWriter import LogWriter
+from sugar.chat.sketchpad.Toolbox import Toolbox
+from sugar.chat.sketchpad.SketchPad import SketchPad
+from sugar.chat.Emoticons import Emoticons
+import sugar.env
+
+import richtext
+
+PANGO_SCALE = 1024 # Where is this defined?
+
+CHAT_SERVICE_TYPE = "_olpc_chat._tcp"
+CHAT_SERVICE_PORT = 6100
+
+GROUP_CHAT_SERVICE_TYPE = "_olpc_group_chat._udp"
+GROUP_CHAT_SERVICE_ADDRESS = "224.0.0.221"
+GROUP_CHAT_SERVICE_PORT = 6200
+
+class Chat(gtk.Window):
+	def __init__(self, controller):
+		gtk.Window.__init__(self)
+	
+		#Buddy.recognize_buddy_service_type(CHAT_SERVICE_TYPE)
+		self._controller = controller
+		self._stream_writer = None		
+		self._emt_popup = None
+
+		vbox = gtk.VBox(False, 6)
+
+		self._hbox = gtk.HBox(False, 12)
+		self._hbox.set_border_width(12)
+
+		[chat_vbox, buf] = self._create_chat()
+		self._hbox.pack_start(chat_vbox)
+		chat_vbox.show()
+		
+		vbox.pack_start(self._hbox)
+		self._hbox.show()
+
+		toolbar = self._create_toolbar(buf)
+		vbox.pack_start(toolbar, False)
+		toolbar.show()
+
+		self.add(vbox)
+		vbox.show()
+
+	def _create_toolbox(self):
+		vbox = gtk.VBox(False, 12)
+		
+		toolbox = Toolbox()
+		toolbox.connect('tool-selected', self._tool_selected)
+		toolbox.connect('color-selected', self._color_selected)
+		vbox.pack_start(toolbox, False)
+		toolbox.show()
+		
+		button_box = gtk.HButtonBox()
+
+		send_button = gtk.Button('Send')
+		button_box.pack_start(send_button, False)
+		send_button.connect('clicked', self.__send_button_clicked_cb)
+
+		vbox.pack_start(button_box, False)
+		button_box.show()
+	
+		return vbox
+		
+	def __send_button_clicked_cb(self, button):
+		self.send_sketch(self._sketchpad.to_svg())
+		self._sketchpad.clear()
+
+	def _color_selected(self, toolbox, color):
+		self._sketchpad.set_color(color)
+	
+	def _tool_selected(self, toolbox, tool_id):
+		if tool_id == 'text':
+			self._editor_nb.set_current_page(0)
+		else:
+			self._editor_nb.set_current_page(1)
+	
+	def _create_chat_editor(self):
+		nb = gtk.Notebook()
+		nb.set_show_tabs(False)
+		nb.set_show_border(False)
+		nb.set_size_request(-1, 70)
+	
+		chat_view_sw = gtk.ScrolledWindow()
+		chat_view_sw.set_shadow_type(gtk.SHADOW_IN)
+		chat_view_sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
+		self._editor = richtext.RichTextView()
+		self._editor.connect("key-press-event", self.__key_press_event_cb)
+		chat_view_sw.add(self._editor)
+		self._editor.show()
+		
+		nb.append_page(chat_view_sw)
+		chat_view_sw.show()
+		
+		self._sketchpad = SketchPad()
+		nb.append_page(self._sketchpad)
+		self._sketchpad.show()
+		
+		nb.set_current_page(0)
+		
+		return nb
+	
+	def _create_chat(self):
+		chat_vbox = gtk.VBox()
+		chat_vbox.set_spacing(6)
+
+		self._chat_sw = gtk.ScrolledWindow()
+		self._chat_sw.set_shadow_type(gtk.SHADOW_IN)
+		self._chat_sw.set_policy(gtk.POLICY_NEVER, gtk.POLICY_ALWAYS)
+		self._chat_view = richtext.RichTextView()
+		self._chat_view.connect("link-clicked", self.__link_clicked_cb)
+		self._chat_view.set_editable(False)
+		self._chat_view.set_cursor_visible(False)
+		self._chat_view.set_pixels_above_lines(7)
+		self._chat_view.set_left_margin(5)
+		self._chat_sw.add(self._chat_view)
+		self._chat_view.show()
+		chat_vbox.pack_start(self._chat_sw)
+		self._chat_sw.show()
+
+		self._editor_nb = self._create_chat_editor()
+		chat_vbox.pack_start(self._editor_nb, False)
+		self._editor_nb.show()
+		
+		return chat_vbox, self._editor.get_buffer()
+
+	def __get_browser_shell():
+		bus = dbus.SessionBus()
+		proxy_obj = bus.get_object('com.redhat.Sugar.Browser', '/com/redhat/Sugar/Browser')
+		self._browser_shell = dbus.Interface(proxy_obj, 'com.redhat.Sugar.BrowserShell')
+
+	def __link_clicked_cb(self, view, address):
+		self.__get_browser_shell().open_browser(address)
+
+	def __key_press_event_cb(self, text_view, event):
+		if event.keyval == gtk.keysyms.Return:
+			buf = text_view.get_buffer()
+			text = buf.get_text(buf.get_start_iter(), buf.get_end_iter())
+			if len(text.strip()) > 0:
+				serializer = richtext.RichTextSerializer()
+				text = serializer.serialize(buf)
+				self.send_text_message(text)
+
+			buf.set_text("")
+			buf.place_cursor(buf.get_start_iter())
+
+			return True
+
+	def _create_emoticons_popup(self):
+		model = gtk.ListStore(gtk.gdk.Pixbuf, str)
+		
+		for name in Emoticons.get_instance().get_all():
+			icon_theme = gtk.icon_theme_get_default()
+			pixbuf = icon_theme.load_icon(name, 16, 0)
+			model.append([pixbuf, name])
+		
+		icon_view = gtk.IconView(model)
+		icon_view.connect('selection-changed', self.__emoticon_selection_changed_cb)
+		icon_view.set_pixbuf_column(0)
+		icon_view.set_selection_mode(gtk.SELECTION_SINGLE)
+		
+		frame = gtk.Frame()
+		frame.set_shadow_type(gtk.SHADOW_ETCHED_IN)
+		frame.add(icon_view)
+		icon_view.show()		
+		
+		window = gtk.Window(gtk.WINDOW_POPUP)
+		window.add(frame)
+		frame.show()
+		
+		return window
+		
+	def __emoticon_selection_changed_cb(self, icon_view):
+		items = icon_view.get_selected_items()
+		if items:
+			model = icon_view.get_model()
+			icon_name = model[items[0]][1]
+			self._editor.get_buffer().append_icon(icon_name)
+		self._emt_popup.hide()
+
+	def _create_toolbar(self, rich_buf):
+		toolbar = richtext.RichTextToolbar(rich_buf)
+
+		item = gtk.ToolButton()
+
+		hbox = gtk.HBox(False, 6)
+
+		e_image = gtk.Image()
+		e_image.set_from_icon_name('stock_smiley-1', gtk.ICON_SIZE_SMALL_TOOLBAR)
+		hbox.pack_start(e_image)
+		e_image.show()
+		
+		arrow = gtk.Arrow(gtk.ARROW_DOWN, gtk.SHADOW_NONE)
+		hbox.pack_start(arrow)
+		arrow.show()
+
+		item.set_icon_widget(hbox)
+		item.set_homogeneous(False)
+		item.connect("clicked", self.__emoticons_button_clicked_cb)
+		toolbar.insert(item, -1)
+		item.show()
+		
+		separator = gtk.SeparatorToolItem()
+		toolbar.insert(separator, -1)
+		separator.show()
+
+		item = gtk.MenuToolButton(None, "Links")
+		item.set_menu(gtk.Menu())
+		item.connect("show-menu", self.__show_link_menu_cb)
+		toolbar.insert(item, -1)
+		item.show()
+		
+		return toolbar
+		
+	def __emoticons_button_clicked_cb(self, button):
+		# FIXME grabs...
+		if not self._emt_popup:
+			self._emt_popup = self._create_emoticons_popup()
+
+		if self._emt_popup.get_property('visible'):
+			self._emt_popup.hide()
+		else:
+			width = 180
+			height = 130
+		
+			self._emt_popup.set_default_size(width, height)
+		
+			[x, y] = button.window.get_origin()
+			x += button.allocation.x
+			y += button.allocation.y - height
+			self._emt_popup.move(x, y)
+		
+			self._emt_popup.show()
+
+	def __link_activate_cb(self, item, link):
+		buf = self._editor.get_buffer()
+		buf.append_link(link['title'], link['address'])
+
+	def __show_link_menu_cb(self, button):
+		menu = gtk.Menu()
+		
+		links = self.__get_browser_shell().get_links()
+
+		for link in links:
+			item = gtk.MenuItem(link['title'], False)
+			item.connect("activate", self.__link_activate_cb, link)
+			menu.append(item)
+			item.show()
+		
+		button.set_menu(menu)
+		
+	def _scroll_chat_view_to_bottom(self):
+		# Only scroll to bottom if the view is already close to the bottom
+		vadj = self._chat_sw.get_vadjustment()
+		if vadj.value + vadj.page_size > vadj.upper * 0.8:
+			vadj.value = vadj.upper - vadj.page_size
+			self._chat_sw.set_vadjustment(vadj)
+
+	def _message_inserted(self):
+		gobject.idle_add(self._scroll_chat_view_to_bottom)
+		self.set_has_changes(True)
+
+	def _insert_buddy(self, buf, nick):
+		# Stuff in the buddy icon, if we have one for this buddy
+		buddy = self._controller.get_group().get_buddy(nick)
+		icon = buddy.get_icon_pixbuf()
+		if icon:
+			rise = int(icon.get_height() / 4) * -1
+
+			chat_service = buddy.get_service(CHAT_SERVICE_TYPE)
+			hash_string = "%s-%s" % (nick, chat_service.get_address())
+			sha_hash = sha.new()
+			sha_hash.update(hash_string)
+			tagname = "buddyicon-%s" % sha_hash.hexdigest()
+
+			if not buf.get_tag_table().lookup(tagname):
+				buf.create_tag(tagname, rise=(rise * PANGO_SCALE))
+
+			aniter = buf.get_end_iter()
+			buf.insert_pixbuf(aniter, icon)
+			aniter.backward_char()
+			enditer = buf.get_end_iter()
+			buf.apply_tag_by_name(tagname, aniter, enditer)
+
+		# Stick in the buddy's nickname
+		if not buf.get_tag_table().lookup("nickname"):
+			buf.create_tag("nickname", weight=pango.WEIGHT_BOLD)
+		aniter = buf.get_end_iter()
+		offset = aniter.get_offset()
+		buf.insert(aniter, " " + nick + ": ")
+		enditer = buf.get_iter_at_offset(offset)
+		buf.apply_tag_by_name("nickname", aniter, enditer)
+		
+	def _insert_rich_message(self, nick, msg):
+		msg = Emoticons.get_instance().replace(msg)
+
+		buf = self._chat_view.get_buffer()
+		self._insert_buddy(buf, nick)
+		
+		serializer = richtext.RichTextSerializer()
+		serializer.deserialize(msg, buf)
+		aniter = buf.get_end_iter()
+		buf.insert(aniter, "\n")
+		
+		self._message_inserted()
+
+	def _insert_sketch(self, nick, svgdata):
+		"""Insert a sketch object into the chat buffer."""
+		pbl = gtk.gdk.PixbufLoader("svg")
+		pbl.write(svgdata)
+		pbl.close()
+		pbuf = pbl.get_pixbuf()
+		
+		buf = self._chat_view.get_buffer()
+
+		self._insert_buddy(buf, nick)
+		
+		rise = int(pbuf.get_height() / 3) * -1
+		sha_hash = sha.new()
+		sha_hash.update(svgdata)
+		tagname = "sketch-%s" % sha_hash.hexdigest()
+		if not buf.get_tag_table().lookup(tagname):
+			buf.create_tag(tagname, rise=(rise * PANGO_SCALE))
+
+		aniter = buf.get_end_iter()
+		buf.insert_pixbuf(aniter, pbuf)
+		aniter.backward_char()
+		enditer = buf.get_end_iter()
+		buf.apply_tag_by_name(tagname, aniter, enditer)
+		aniter = buf.get_end_iter()
+		buf.insert(aniter, "\n")
+
+		self._message_inserted()
+
+	def _get_first_richtext_chunk(self, msg):
+		"""Scan the message for the first richtext-tagged chunk and return it."""
+		rt_last = -1
+		tag_rt_start = "<richtext>"
+		tag_rt_end = "</richtext>"
+		rt_first = msg.find(tag_rt_start)
+		length = -1
+		if rt_first >= 0:
+			length = len(msg)
+			rt_last = msg.find(tag_rt_end, rt_first)
+		if rt_first >= 0 and rt_last >= (rt_first + len(tag_rt_start)) and length > 0:
+			return msg[rt_first:rt_last + len(tag_rt_end)]
+		return None
+
+	def _get_first_sketch_chunk(self, msg):
+		"""Scan the message for the first SVG-tagged chunk and return it."""
+		svg_last = -1
+		tag_svg_start = "<svg"
+		tag_svg_end = "</svg>"
+		desc_start = msg.find("<?xml version='1.0' encoding='UTF-8'?>")
+		if desc_start < 0:
+			return None
+		ignore = msg.find("<!DOCTYPE svg")
+		if ignore < 0:
+			return None
+		svg_first = msg.find(tag_svg_start)
+		length = -1
+		if svg_first >= 0:
+			length = len(msg)
+			svg_last = msg.find(tag_svg_end, svg_first)
+		if svg_first >= 0 and svg_last >= (svg_first + len(tag_svg_start)) and length > 0:
+			return msg[desc_start:svg_last + len(tag_svg_end)]
+		return None
+
+	def recv_message(self, buddy, msg):
+		"""Insert a remote chat message into the chat buffer."""
+		if not buddy:
+			return
+
+		chunk = self._get_first_richtext_chunk(msg)
+		if chunk:
+			self._insert_rich_message(buddy.get_nick_name(), chunk)
+			return
+
+		chunk = self._get_first_sketch_chunk(msg)
+		if chunk:
+			self._insert_sketch(buddy.get_nick_name(), chunk)
+			return
+
+	def send_sketch(self, svgdata):
+		if not svgdata or not len(svgdata):
+			return
+		self._stream_writer.write(svgdata)
+		owner = self._controller.get_group().get_owner()
+		self._insert_sketch(owner.get_nick_name(), svgdata)
+
+	def send_text_message(self, text):
+		"""Send a chat message and insert it into the local buffer."""
+		if len(text) <= 0:
+			return
+		self._stream_writer.write(text)
+		owner = self._controller.get_group().get_owner()
+		self._insert_rich_message(owner.get_nick_name(), text)

sugar/chat/GroupChat.py

@@ -0,0 +1,45 @@
+from sugar.chat.Chat import Chat
+
+class GroupChat(Chat):
+	def __init__(self):
+		Chat.__init__(self, self)
+		self._chats = {}
+
+	def get_group(self):
+		return self._group
+
+	def new_buddy_writer(self, buddy):
+		service = buddy.get_service(CHAT_SERVICE_TYPE)
+		return self._buddy_stream.new_writer(service)
+
+	def _start(self):
+		name = self._group.get_owner().get_nick_name()
+
+		# Group controls the Stream for incoming messages for
+		# specific buddy chats
+		buddy_service = Service(name, CHAT_SERVICE_TYPE, CHAT_SERVICE_PORT)
+		self._buddy_stream = Stream.new_from_service(buddy_service, self._group)
+		self._buddy_stream.set_data_listener(getattr(self, "_buddy_recv_message"))
+		buddy_service.register(self._group)
+
+		# Group chat Stream
+		group_service = Service(name, GROUP_CHAT_SERVICE_TYPE,
+						  GROUP_CHAT_SERVICE_PORT,
+						  GROUP_CHAT_SERVICE_ADDRESS)
+		self._group.add_service(group_service)
+
+		self._group_stream = Stream.new_from_service(group_service, self._group)
+		self._group_stream.set_data_listener(self._group_recv_message)
+		self._stream_writer = self._group_stream.new_writer()
+
+	def _group_recv_message(self, buddy, msg):
+		self.recv_message(buddy, msg)
+
+	def _buddy_recv_message(self, buddy, msg):
+		if not self._chats.has_key(buddy):
+			chat = BuddyChat(self, buddy)
+			self._chats[buddy] = chat
+			chat.connect_to_shell()
+		else:
+			chat = self._chats[buddy]
+		chat.recv_message(buddy, msg)

sugar/chat/chat.activity

@@ -1,2 +0,0 @@
-[Activity]
-python_class = sugar/chat/chat

sugar/shell/WindowManager.py

@@ -9,7 +9,8 @@ class WindowManager:
 	CENTER = 0
 	LEFT = 1
 	RIGHT = 2
-	BOTTOM = 3
+	TOP = 3
+	BOTTOM = 4
 	
 	ABSOLUTE = 0
 	SCREEN_RELATIVE = 1
@@ -31,25 +32,24 @@ class WindowManager:
 	def has_focus(self):
 		return self._window.has_toplevel_focus()
 
-	def _update_visibility(self):
-		show_slided_in = False
-	
-		for manager in WindowManager.__managers_list:
-			if manager.has_focus():
-					show_slided_in = True
-					
-		if manager._visibility is WindowManager.VISIBLE:
-			manager._window.show()
-		elif manager._visibility is WindowManager.HIDDEN:
-			manager._window.hide()
-		elif manager._visibility is WindowManager.SLIDED_IN:
-			if show_slided_in:
-				manager._window.show()
-			else:
-				manager._window.hide()
+	def _update_visibility(self):		
+		visible = False
+		
+		if self._visibility is WindowManager.VISIBLE:
+			visible = True
+		elif self._visibility is WindowManager.HIDDEN:
+			visible = False
+		elif self._visibility is WindowManager.SLIDED_IN:
+			for manager in WindowManager.__managers_list:
+				if manager.has_focus():
+					visible = True
+		
+		if self._window.get_property('visible') != visible:
+			self._window.set_property('visible', visible)
 
 	def __focus_change_idle(self):
-		self._update_visibility()
+		for manager in WindowManager.__managers_list:
+			manager._update_visibility()
 		return False
 
 	def __focus_in_event_cb(self, window, event):
@@ -67,6 +67,12 @@ class WindowManager:
 				if wm._position == WindowManager.LEFT:
 					manager = wm
 
+		if event.keyval == gtk.keysyms.Up and \
+		   event.state & gtk.gdk.CONTROL_MASK:
+			for wm in WindowManager.__managers_list:
+				if wm._position == WindowManager.TOP:
+					manager = wm
+
 		if manager and manager._window.get_property('visible'):
 			manager.slide_window_out()
 		elif manager:
@@ -103,6 +109,9 @@ class WindowManager:
 		elif self._position is WindowManager.LEFT:
 			x = 0
 			y = int((screen_height - height) / 2)
+		elif self._position is WindowManager.TOP:
+			x = int((screen_width - width) / 2)
+			y = 0
 			
 		self._window.move(x, y)
 		self._window.resize(width, height)

sugar/shell/shell.py

@@ -12,6 +12,7 @@ from sugar.shell.PresenceWindow import PresenceWindow
 from sugar.shell.Owner import ShellOwner
 from sugar.shell.StartPage import StartPage
 from sugar.shell.WindowManager import WindowManager
+from sugar.chat.GroupChat import GroupChat
 
 class ActivityHost(dbus.service.Object):
 
@@ -372,8 +373,6 @@ def main():
 
 	activity_container = ActivityContainer(service, session_bus)
 	activity_container.show()
-	
-	presence_window = PresenceWindow(activity_container)
 
 	wm = WindowManager(activity_container.window)
 	wm.set_width(640, WindowManager.ABSOLUTE)
@@ -382,6 +381,8 @@ def main():
 	wm.show()
 	wm.manage()
 
+	presence_window = PresenceWindow(activity_container)
+
 	wm = WindowManager(presence_window)
 	
 	wm.set_width(0.15, WindowManager.SCREEN_RELATIVE)
@@ -389,6 +390,17 @@ def main():
 	wm.set_position(WindowManager.LEFT)
 	wm.manage()
 	
+	group_chat = GroupChat()
+	group_chat.set_decorated(False)
+	group_chat.set_skip_taskbar_hint(True)
+
+	wm = WindowManager(group_chat)
+	
+	wm.set_width(0.5, WindowManager.SCREEN_RELATIVE)
+	wm.set_height(0.5, WindowManager.SCREEN_RELATIVE)
+	wm.set_position(WindowManager.TOP)
+	wm.manage()
+	
 	console.set_parent_window(activity_container.window)
 
 if __name__ == "__main__":