Background feature.

7 files changed, 281 insertions, 7 deletions

diff --git a/configure.ac b/configure.ac
index 4ee6fd6..8f8f3e0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -52,6 +52,7 @@ data/sugar-emulator.desktop
 extensions/cpsection/aboutcomputer/Makefile
 extensions/cpsection/aboutme/Makefile
 extensions/cpsection/accessibility/Makefile
+extensions/cpsection/background/Makefile
 extensions/cpsection/datetime/Makefile
 extensions/cpsection/frame/Makefile
 extensions/cpsection/keyboard/Makefile
diff --git a/extensions/cpsection/Makefile.am b/extensions/cpsection/Makefile.am
index 83cea29..5fb1a2d 100644
--- a/extensions/cpsection/Makefile.am
+++ b/extensions/cpsection/Makefile.am
@@ -1,4 +1,4 @@
-SUBDIRS = aboutme aboutcomputer accessibility datetime frame keyboard language \
+SUBDIRS = aboutme aboutcomputer accessibility background datetime frame keyboard language \
     modemconfiguration network power
 
 sugardir = $(pkgdatadir)/extensions/cpsection
diff --git a/extensions/cpsection/background/Makefile.am b/extensions/cpsection/background/Makefile.am
new file mode 100644
index 0000000..4984b6c
--- /dev/null
+++ b/extensions/cpsection/background/Makefile.am
@@ -0,0 +1,6 @@
+sugardir = $(pkgdatadir)/extensions/cpsection/background
+
+sugar_PYTHON = 		\
+	__init__.py	\
+	model.py	\
+	view.py	
diff --git a/extensions/cpsection/background/__init__.py b/extensions/cpsection/background/__init__.py
new file mode 100644
index 0000000..8a97483
--- /dev/null
+++ b/extensions/cpsection/background/__init__.py
@@ -0,0 +1,21 @@
+# Copyright (C) 2008, OLPC
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+
+from gettext import gettext as _
+
+CLASS = 'Background'
+ICON = 'image-x-generic'
+TITLE = _('Background')
diff --git a/extensions/cpsection/background/model.py b/extensions/cpsection/background/model.py
new file mode 100644
index 0000000..783781a
--- /dev/null
+++ b/extensions/cpsection/background/model.py
@@ -0,0 +1,68 @@
+# Copyright (C) 2012 Agustin Zubiaga <aguz@sugarlabs.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+
+from gi.repository import GConf
+from gi.repository import GdkPixbuf
+
+from sugar3.graphics import style
+from jarabe.journal.model import get_documents_path
+
+import os
+
+BACKGROUNDS_DIRS = [os.path.join('/usr', 'share', 'backgrounds'),
+                    get_documents_path()]
+
+
+def set_background(file_path):
+    client = GConf.Client.get_default()
+    if file_path is None:
+        client.set_string('/desktop/sugar/user/background', '')
+    else:
+        client.set_string('/desktop/sugar/user/background', str(file_path))
+    return 1
+
+
+def get_background():
+    client = GConf.Client.get_default()
+    return client.get_string('/desktop/sugar/user/background')
+
+
+def fill_background_list(store):
+    paths_list = []
+
+    for _dir in BACKGROUNDS_DIRS:
+        if _dir and os.path.exists(_dir):
+            for root, dirs, files in os.walk(_dir):
+                for bg in files:
+                    path = os.path.join(root, bg)
+                    if os.path.isfile(path):
+                        try:
+                            pixbuf = \
+                                GdkPixbuf.Pixbuf.new_from_file_at_size(path,
+                                style.XLARGE_ICON_SIZE, style.XLARGE_ICON_SIZE)
+
+                            store.append([pixbuf, path])
+                            paths_list.append(path)
+                        except:
+                            pass
+    return paths_list
+
+BACKGROUND_CHOOSED = get_background()
+
+
+def undo(store):
+    set_background(BACKGROUND_CHOOSED)
diff --git a/extensions/cpsection/background/view.py b/extensions/cpsection/background/view.py
new file mode 100644
index 0000000..fe4fc2c
--- /dev/null
+++ b/extensions/cpsection/background/view.py
@@ -0,0 +1,137 @@
+# Copyright (C) 2012 Agustin Zubiaga <aguz@sugarlabs.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+
+from gi.repository import Gtk
+from gi.repository import GdkPixbuf
+
+from sugar3.graphics import style
+from sugar3.graphics.toolbutton import ToolButton
+from jarabe.controlpanel.sectionview import SectionView
+from jarabe.controlpanel.inlinealert import InlineAlert
+
+from gettext import gettext as _
+
+
+class Background(SectionView):
+
+    def __init__(self, model, alerts):
+        SectionView.__init__(self)
+
+        self._model = model
+        self._restart_alerts = alerts
+
+        if 'background' in self._restart_alerts:
+            self._restart_alert.props.msg = self.restart_msg
+            self._restart_alert.show()
+
+        self.set_border_width(style.DEFAULT_SPACING * 2)
+        self.set_spacing(style.DEFAULT_SPACING)
+
+        label_box = Gtk.Box()
+        label_bg = Gtk.Label(label=_('Select a background:'))
+        label_bg.modify_fg(Gtk.StateType.NORMAL,
+                              style.COLOR_SELECTION_GREY.get_gdk_color())
+        label_box.pack_start(label_bg, False, True, 0)
+        self.pack_start(label_box, False, True, 1)
+
+        clear_button = Gtk.Button()
+        clear_button.set_label(_('Clear background'))
+        clear_button.connect('clicked', self._clear_clicked_cb)
+        clear_button.show()
+        self.pack_end(clear_button, False, True, 0)
+
+        sw = Gtk.ScrolledWindow()
+        sw.set_shadow_type(Gtk.ShadowType.ETCHED_IN)
+        sw.set_policy(Gtk.PolicyType.AUTOMATIC,
+                      Gtk.PolicyType.AUTOMATIC)
+
+        store = Gtk.ListStore(GdkPixbuf.Pixbuf, str)
+
+        icon_view = Gtk.IconView.new_with_model(store)
+        icon_view.set_selection_mode(Gtk.SelectionMode.SINGLE)
+        icon_view.connect('selection-changed', self._background_selected,
+                          store)
+        icon_view.set_pixbuf_column(0)
+        icon_view.grab_focus()
+
+        pl = model.fill_background_list(store)
+        self._select_background(icon_view, pl)
+        sw.add(icon_view)
+
+        self.pack_start(sw, True, True, 0)
+
+        self._alert_box = Gtk.HBox(spacing=style.DEFAULT_SPACING)
+        self.pack_start(self._alert_box, False, False, 0)
+        self._alert_box.show()
+
+        self._restart_alert = InlineAlert()
+        self._restart_alert.props.msg = self.restart_msg
+        self._alert_box.pack_start(self._restart_alert, True, True, 0)
+
+        self.setup()
+
+    def _get_selected_path(self, widget, store):
+        try:
+            iter_ = store.get_iter(widget.get_selected_items()[0])
+            image_path = store.get(iter_, 1)[0]
+
+            return image_path, iter_
+        except:
+            return None
+
+    def _background_selected(self, widget, store):
+        selected = self._get_selected_path(widget, store)
+
+        if selected is None:
+            return
+
+        image_path, _iter = selected
+        if image_path != self._model.BACKGROUND_CHOOSED:
+            iter_ = store.get_iter(widget.get_selected_items()[0])
+            image_path = store.get(iter_, 1)[0]
+            self._model.set_background(image_path)
+            self._restart_alerts.append('background')
+            self.needs_restart = True
+            self._alert_box.show()
+            self._restart_alert.show()
+        else:
+            if 'background' in self.restart_alerts:
+                self._restart_alerts.remove('background')
+            self.needs_restart = False
+            self._restart_alert.hide()
+
+    def _select_background(self, icon_view, paths_list):
+        background = self._model.get_background()
+        if background in paths_list:
+            _path = paths_list.index(background)
+            path = Gtk.TreePath.new_from_string('%s' % _path)
+            icon_view.select_path(path)
+            self.needs_restart = False
+
+    def _clear_clicked_cb(self, widget, event=None):
+        self._model.set_background(None)
+        self._restart_alerts.append('background')
+        self.needs_restart = True
+        self._alert_box.show()
+        self._restart_alert.show()
+
+    def setup(self):
+        self.needs_restart = False
+        self.show_all()
+        self._restart_alert.hide()
+
+    def undo(self):
+        self._model.undo()
diff --git a/src/jarabe/desktop/homebox.py b/src/jarabe/desktop/homebox.py
index b87c345..eb29eb4 100644
--- a/src/jarabe/desktop/homebox.py
+++ b/src/jarabe/desktop/homebox.py
@@ -20,6 +20,9 @@ import os
 
 from gi.repository import GObject
 from gi.repository import Gtk
+from gi.repository import GdkPixbuf
+from gi.repository import GConf
+from gi.repository import Gdk
 
 from sugar3.graphics import style
 from sugar3.graphics.alert import Alert
@@ -33,6 +36,14 @@ _FAVORITES_VIEW = 0
 _LIST_VIEW = 1
 
 
+def get_bg_image_path():
+    client = GConf.Client.get_default()
+    return client.get_string('/desktop/sugar/user/background')
+
+
+BACKGROUND_IMAGE_PATH = get_bg_image_path()
+
+
 class HomeBox(Gtk.VBox):
     __gtype_name__ = 'SugarHomeBox'
 
@@ -41,7 +52,11 @@ class HomeBox(Gtk.VBox):
 
         Gtk.VBox.__init__(self)
 
+        self._favorites_eventbox = Gtk.EventBox()
+        self._favorites_eventbox.connect('draw', self._draw_background)
         self._favorites_box = favoritesview.FavoritesBox()
+        self._favorites_eventbox.add(self._favorites_box)
+
         self._list_view = ActivitiesList()
 
         toolbar.connect('query-changed', self.__toolbar_query_changed_cb)
@@ -53,6 +68,7 @@ class HomeBox(Gtk.VBox):
 
         self._set_view(_FAVORITES_VIEW)
         self._query = ''
+        self._update_background_image()
 
     def show_software_updates_alert(self):
         alert = Alert()
@@ -127,13 +143,13 @@ class HomeBox(Gtk.VBox):
             if self._list_view in self.get_children():
                 self.remove(self._list_view)
 
-            if self._favorites_box not in self.get_children():
-                self.add(self._favorites_box)
-                self._favorites_box.show()
-                self._favorites_box.grab_focus()
+            if self._favorites_eventbox not in self.get_children():
+                self.add(self._favorites_eventbox)
+                self._favorites_eventbox.show_all()
+                self._favorites_eventbox.grab_focus()
         elif view == _LIST_VIEW:
-            if self._favorites_box in self.get_children():
-                self.remove(self._favorites_box)
+            if self._favorites_eventbox in self.get_children():
+                self.remove(self._favorites_eventbox)
 
             if self._list_view not in self.get_children():
                 self.add(self._list_view)
@@ -160,3 +176,28 @@ class HomeBox(Gtk.VBox):
         if resume_mode and self._query != '':
             self._list_view.set_filter(self._query)
             self._favorites_box.set_filter(self._query)
+
+    def _draw_background(self, widget, context):
+        if self._background_pixbuf is None:
+            return
+
+        alloc = widget.get_allocation()
+
+        if self._background_pixbuf.get_width() != alloc.width or \
+           self._background_pixbuf.get_height() != alloc.height:
+            self._background_pixbuf = self._background_pixbuf.scale_simple(
+                                                 alloc.width,
+                                                 alloc.height,
+                                                 GdkPixbuf.InterpType.TILES)
+        Gdk.cairo_set_source_pixbuf(context, self._background_pixbuf, 0, 0)
+        context.paint()
+
+    def _update_background_image(self, *args):
+        self._background_pixbuf = None
+        if os.path.exists(BACKGROUND_IMAGE_PATH):
+            try:
+                self._background_pixbuf = GdkPixbuf.Pixbuf.new_from_file(
+                                                         BACKGROUND_IMAGE_PATH)
+                self._favorites_eventbox.queue_draw()
+            except:
+                pass