Usage of the tray widget to display activity icons

ActivitiesBox patch for ticket #2713.

shell/view/frame/ActivitiesBox.py

@@ -20,27 +20,13 @@ import logging
 from sugar.graphics.palette import Palette
 from sugar.graphics.xocolor import XoColor
 from sugar.graphics.iconbutton import IconButton
+from sugar.graphics.tray import HTray
 from sugar.graphics import style
 from sugar import profile
 from sugar import activity
 
 from frameinvoker import FrameCanvasInvoker
-
-class ActivityButton(IconButton):
-    def __init__(self, activity_info):
-        IconButton.__init__(self, file_name=activity_info.icon,
-                            stroke_color=style.COLOR_WHITE.get_svg(),
-                            fill_color=style.COLOR_TRANSPARENT.get_svg())
-
-        palette = Palette(activity_info.name)
-        palette.props.invoker = FrameCanvasInvoker(self)
-        palette.set_group_id('frame')
-        self.set_palette(palette)
-
-        self._activity_info = activity_info
-
-    def get_bundle_id(self):
-        return self._activity_info.service_name
+from activitybutton import ActivityButton
 
 class InviteButton(IconButton):
     def __init__(self, activity_model, invite):
@@ -67,6 +53,10 @@ class ActivitiesBox(hippo.CanvasBox):
         self._invite_to_item = {}
         self._invites = self._shell_model.get_invites()
 
+        self.tray = HTray()
+        self.append(hippo.CanvasWidget(widget=self.tray))
+        self.tray.show()
+
         registry = activity.get_registry()
         registry.get_activities_async(reply_handler=self._get_activities_cb)
 
@@ -96,13 +86,19 @@ class ActivitiesBox(hippo.CanvasBox):
     def _invite_removed_cb(self, invites, invite):
         self.remove_invite(invite)
 
+    def _activity_removed_cb(self, item):
+        index = self.tray.get_item_index(item)
+        self.tray.remove_item(index)
+
     def _activity_added_cb(self, activity_registry, activity_info):
         self.add_activity(activity_info)
 
     def add_activity(self, activity_info):
         item = ActivityButton(activity_info)
-        item.connect('activated', self._activity_clicked_cb)
-        self.append(item, 0)
+        item.connect('clicked', self._activity_clicked_cb)
+        item.connect('remove_activity', self._activity_removed_cb)
+        self.tray.add_item(item, -1)
+        item.show()
 
     def add_invite(self, invite):
         mesh = self._shell_model.get_mesh()

shell/view/frame/Makefile.am

@@ -2,6 +2,7 @@ sugardir = $(pkgdatadir)/shell/view/frame
 sugar_PYTHON =				\
 	__init__.py			\
 	ActivitiesBox.py		\
+	activitybutton.py		\
 	clipboardbox.py			\
 	clipboardpanelwindow.py		\
 	frameinvoker.py			\

shell/view/frame/activitybutton.py

@@ -0,0 +1,60 @@
+# Copyright (C) 2007, One Laptop Per Child
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+import gtk
+import os
+import gobject
+
+from sugar.graphics.palette import Palette
+from sugar.graphics.tray import TrayButton
+from sugar.graphics.icon import Icon
+from sugar.graphics import style
+
+from gettext import gettext as _
+
+class ActivityButton(TrayButton, gobject.GObject):
+    __gtype_name__ = 'SugarActivityButton'
+    __gsignals__ = {
+        'remove_activity': (gobject.SIGNAL_RUN_FIRST,
+                            gobject.TYPE_NONE, ([]))
+        }
+
+    def __init__(self, activity_info):
+        TrayButton.__init__(self)
+        icon = Icon(file=activity_info.icon,
+                    stroke_color=style.COLOR_WHITE.get_svg(),
+                    fill_color=style.COLOR_TRANSPARENT.get_svg())
+        self.set_icon_widget(icon)
+        icon.show()
+
+        self._activity_info = activity_info
+        self.setup_rollover_options()
+
+    def get_bundle_id(self):
+        return self._activity_info.service_name
+
+    def setup_rollover_options(self):
+        palette = Palette(self._activity_info.name)
+        self.set_palette(palette)
+
+        menu_item = gtk.MenuItem(_('Remove'))
+        menu_item.connect('activate', self.item_remove_cb)
+        palette.menu.append(menu_item)
+        menu_item.show()
+
+    def item_remove_cb(self, widget):
+        self.emit('remove_activity')

sugar/graphics/Makefile.am

@@ -22,5 +22,6 @@ sugar_PYTHON =			\
 	toolbox.py		\
 	toolbutton.py		\
 	toolcombobox.py		\
+	tray.py			\
 	window.py		\
 	xocolor.py

sugar/graphics/tray.py

@@ -111,8 +111,12 @@ class HTray(gtk.HBox):
         self._viewport.traybar.insert(item, index)
 
     def remove_item(self, index):
+        item = self._viewport.traybar.get_nth_item(index)
         self._viewport.traybar.remove(item)
 
+    def get_item_index(self, item):
+        return self._viewport.traybar.get_item_index(item)
+
 class TrayButton(ToolButton):
     def __init__(self, **kwargs):
         ToolButton.__init__(self, **kwargs)