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# Copyright (C) 2006, Red Hat, Inc.
#
# 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
import logging
import gtk
import gobject
import hippo
from view.frame.eventframe import EventFrame
from view.frame.ActivitiesBox import ActivitiesBox
from view.frame.ZoomBox import ZoomBox
from view.frame.overlaybox import OverlayBox
from view.frame.FriendsBox import FriendsBox
from view.frame.PanelWindow import PanelWindow
from view.frame.clipboardpanelwindow import ClipboardPanelWindow
from view.frame.framepopupcontext import FramePopupContext
from model.ShellModel import ShellModel
from sugar.graphics.timeline import Timeline
from sugar.graphics import units
_ANIMATION = False
class Frame:
INACTIVE = 0
TEMPORARY = 1
STICKY = 2
HIDE_ON_LEAVE = 3
AUTOMATIC = 4
def __init__(self, shell):
self._left_panel = None
self._right_panel = None
self._top_panel = None
self._bottom_panel = None
self._hover_frame = False
self._shell = shell
self._mode = Frame.INACTIVE
self._current_position = 0
self._timeline = Timeline(self)
self._timeline.add_tag('slide_in', 18, 24)
self._timeline.add_tag('before_slide_out', 48, 48)
self._timeline.add_tag('slide_out', 49, 54)
self._event_frame = EventFrame()
self._event_frame.connect('enter-edge', self._enter_edge_cb)
self._event_frame.connect('enter-corner', self._enter_corner_cb)
self._event_frame.connect('leave', self._event_frame_leave_cb)
self._event_frame.show()
self._popup_context = FramePopupContext()
self._popup_context.connect('activated',
self._popup_context_activated_cb)
self._popup_context.connect('deactivated',
self._popup_context_deactivated_cb)
self._top_panel = self._create_top_panel()
self._bottom_panel = self._create_bottom_panel()
self._left_panel = self._create_left_panel()
self._right_panel = self._create_right_panel()
shell.get_model().connect('notify::state',
self._shell_state_changed_cb)
screen = gtk.gdk.screen_get_default()
screen.connect('size-changed', self._size_changed_cb)
def _create_top_panel(self):
panel = self._create_panel(hippo.ORIENTATION_HORIZONTAL)
root = panel.get_root()
box = ZoomBox(self._shell, self._popup_context)
root.append(box)
box = OverlayBox(self._shell)
root.append(box, hippo.PACK_FIXED)
return panel
def _create_bottom_panel(self):
panel = self._create_panel(hippo.ORIENTATION_HORIZONTAL)
root = panel.get_root()
box = ActivitiesBox(self._shell, self._popup_context)
root.append(box)
return panel
def _create_right_panel(self):
panel = self._create_panel(hippo.ORIENTATION_VERTICAL)
root = panel.get_root()
box = FriendsBox(self._shell, self._popup_context)
root.append(box)
return panel
def _create_left_panel(self):
panel = ClipboardPanelWindow(self, hippo.ORIENTATION_VERTICAL)
self._connect_to_panel(panel)
panel.connect('drag-motion', self._drag_motion_cb)
panel.connect('drag-leave', self._drag_leave_cb)
return panel
def _shell_state_changed_cb(self, model, pspec):
if model.props.state == ShellModel.STATE_SHUTDOWN:
self._timeline.goto('slide_out', True)
def _create_panel(self, orientation):
panel = PanelWindow(orientation)
self._connect_to_panel(panel)
return panel
def _move_panel(self, panel, pos, x1, y1, x2, y2):
x = (x2 - x1) * pos + x1
y = (y2 - y1) * pos + y1
panel.move(x, y)
# FIXME we should hide and show as necessary to free memory
if not panel.props.visible:
panel.show()
def _connect_to_panel(self, panel):
panel.connect('enter-notify-event', self._enter_notify_cb)
panel.connect('leave-notify-event', self._leave_notify_cb)
def _popup_context_activated_cb(self, popup_context):
self._timeline.goto('slide_in', True)
def _popup_context_deactivated_cb(self, popup_context):
if self._mode != Frame.STICKY and not self._hover_frame:
self._timeline.play('before_slide_out', 'slide_out')
def _enter_notify_cb(self, window, event):
self._enter_notify()
logging.debug('Frame._enter_notify_cb ' + str(self._mode))
def _drag_motion_cb(self, window, context, x, y, time):
self._enter_notify()
logging.debug('Frame._drag_motion_cb ' + str(self._mode))
return True
def _drag_leave_cb(self, window, drag_context, timestamp):
self._leave_notify(window)
logging.debug('Frame._drag_leave_cb ' + str(self._mode))
def _leave_notify_cb(self, window, event):
# FIXME for some reason every click cause also a leave-notify
if event.state == gtk.gdk.BUTTON1_MASK:
return
self._leave_notify(window)
logging.debug('Frame._leave_notify_cb ' + str(self._mode))
def _enter_notify(self):
self._hover_frame = True
self._timeline.goto('slide_in', True)
def _leave_notify(self, panel):
self._hover_frame = False
if not self._popup_context.is_active() and \
(self._mode == Frame.HIDE_ON_LEAVE or \
self._mode == Frame.AUTOMATIC):
self._timeline.play('before_slide_out', 'slide_out')
def _enter_edge_cb(self, event_frame):
self._mode = Frame.HIDE_ON_LEAVE
self._timeline.play(None, 'slide_in')
logging.debug('Frame._enter_edge_cb ' + str(self._mode))
def _enter_corner_cb(self, event_frame):
self._mode = Frame.HIDE_ON_LEAVE
self._timeline.play('slide_in', 'slide_in')
logging.debug('Frame._enter_corner_cb ' + str(self._mode))
def _event_frame_leave_cb(self, event_frame):
if self._mode != Frame.STICKY:
self._timeline.goto('slide_out', True)
logging.debug('Frame._event_frame_leave_cb ' + str(self._mode))
def show_and_hide(self, seconds):
self._mode = Frame.AUTOMATIC
self._timeline.play()
def notify_key_press(self):
if self._timeline.on_tag('slide_in'):
self._timeline.play('before_slide_out', 'slide_out')
elif self._timeline.on_tag('before_slide_out'):
self._mode = Frame.TEMPORARY
else:
self._mode = Frame.STICKY
self._timeline.play('slide_in', 'slide_in')
def notify_key_release(self):
if self._mode == Frame.TEMPORARY:
self._timeline.play('before_slide_out', 'slide_out')
def _move(self, pos):
self._current_position = pos
self._update_position()
def _update_position(self):
screen_h = gtk.gdk.screen_height()
screen_w = gtk.gdk.screen_width()
self._move_panel(self._top_panel, self._current_position,
0, units.grid_to_pixels(-1),
0, 0)
self._move_panel(self._bottom_panel, self._current_position,
0, screen_h,
0, screen_h - units.grid_to_pixels(1))
self._move_panel(self._left_panel, self._current_position,
units.grid_to_pixels(-1), 0,
0, 0)
self._move_panel(self._right_panel, self._current_position,
screen_w, 0,
screen_w - units.grid_to_pixels(1), 0)
def do_slide_in(self, current=0, n_frames=0):
if _ANIMATION:
self._move(float(current + 1) / float(n_frames))
elif current == 0:
self._move(1)
if self._event_frame.is_visible():
self._event_frame.hide()
def do_slide_out(self, current=0, n_frames=0):
if _ANIMATION:
self._move(1 - (float(current + 1) / float(n_frames)))
elif current == 0:
self._move(0)
if not self._event_frame.is_visible():
self._event_frame.show()
def _size_changed_cb(self, screen):
self._update_position()
def is_visible(self):
return self._top_panel.props.visible
def get_popup_context(self):
return self._popup_context
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