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# Copyright (C) 2006-2007 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.eventarea import EventArea
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.framewindow import FrameWindow
from view.frame.clipboardpanelwindow import ClipboardPanelWindow
from model.shellmodel import ShellModel
from sugar.graphics import animator
from sugar.graphics import units
from sugar.clipboard import clipboardservice
MODE_NONE = 0
MODE_MOUSE = 1
MODE_KEYBOARD = 2
MODE_FORCE = 3
_FRAME_HIDING_DELAY = 500
class _Animation(animator.Animation):
def __init__(self, frame, end):
start = frame.get_current_position()
animator.Animation.__init__(self, start, end)
self._frame = frame
def next_frame(self, current):
self._frame.move(current)
class _MouseListener(object):
def __init__(self, frame):
self._frame = frame
self._hide_sid = 0
def mouse_enter(self):
if self._frame.mode == MODE_NONE or \
self._frame.mode == MODE_MOUSE:
self._show_frame()
def mouse_leave(self):
if self._frame.mode == MODE_MOUSE:
self._hide_frame()
def _show_frame(self):
if self._hide_sid != 0:
gobject.source_remove(self._hide_sid)
self._frame.show()
self._frame.mode = MODE_MOUSE
def _hide_frame_timeout_cb(self):
self._frame.hide()
return False
def _hide_frame(self):
if self._hide_sid != 0:
gobject.source_remove(self._hide_sid)
self._hide_sid = gobject.timeout_add(
_FRAME_HIDING_DELAY, self._hide_frame_timeout_cb)
class _KeyListener(object):
_HIDDEN = 1
_SHOWN_PRESSED = 2
_SHOWN_REPEAT = 3
_SHOWN_RELEASED = 4
def __init__(self, frame):
self._frame = frame
self._state = _KeyListener._HIDDEN
def key_press(self):
if self._frame.mode != MODE_NONE and \
self._frame.mode != MODE_KEYBOARD:
return
if self._frame.visible:
self._frame.hide()
else:
self._frame.show()
self._frame.mode = MODE_KEYBOARD
"""
if self._state == _KeyListener._HIDDEN:
self._frame.show()
self._frame.mode = MODE_KEYBOARD
self._state = _KeyListener._SHOWN_PRESSED
elif self._state == _KeyListener._SHOWN_PRESSED:
self._state = _KeyListener._SHOWN_REPEAT
elif self._state == _KeyListener._SHOWN_RELEASED:
self._frame.hide()
self._state = _KeyListener._HIDDEN
"""
def key_release(self):
pass
"""
if self._state == _KeyListener._SHOWN_PRESSED:
self._state = _KeyListener._SHOWN_RELEASED
elif self._state == _KeyListener._SHOWN_REPEAT:
self._frame.hide()
self._state = _KeyListener._HIDDEN
"""
class Frame(object):
def __init__(self, shell):
self.mode = MODE_NONE
self.visible = False
self._left_panel = None
self._right_panel = None
self._top_panel = None
self._bottom_panel = None
self._shell = shell
self._current_position = 0.0
self._animator = None
self._hover = False
self._event_area = EventArea()
self._event_area.connect('enter', self._enter_corner_cb)
self._event_area.show()
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()
screen = gtk.gdk.screen_get_default()
screen.connect('size-changed', self._size_changed_cb)
cb_service = clipboardservice.get_instance()
cb_service.connect_after('object-added', self._clipboard_object_added_cb)
self._key_listener = _KeyListener(self)
self._mouse_listener = _MouseListener(self)
def hide(self, force=False):
if not self.visible:
return
if self._animator:
self._animator.stop()
self._animator = animator.Animator(0.5)
self._animator.add(_Animation(self, 0.0))
self._animator.start()
self._event_area.show()
self.visible = False
if force:
self.mode = MODE_NONE
else:
self.mode = MODE_FORCE
self._animator.connect('completed', self._hide_completed_cb)
def show(self):
self.mode = MODE_FORCE
if self.visible:
return
if self._animator:
self._animator.stop()
self._animator = animator.Animator(0.5)
self._animator.add(_Animation(self, 1.0))
self._animator.start()
self._event_area.hide()
self.visible = True
def get_current_position(self):
return self._current_position
def move(self, pos):
self._current_position = pos
self._update_position()
def _is_hover(self):
return (self._top_panel.hover or \
self._bottom_panel.hover or \
self._left_panel.hover or \
self._right_panel.hover)
def _create_top_panel(self):
panel = self._create_panel(hippo.ORIENTATION_HORIZONTAL)
root = panel.get_root()
box = ZoomBox(self._shell)
root.append(box)
#box = OverlayBox(self._shell)
#root.append(box, hippo.PACK_END)
return panel
def _create_bottom_panel(self):
panel = self._create_panel(hippo.ORIENTATION_HORIZONTAL)
root = panel.get_root()
box = ActivitiesBox(self._shell)
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)
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 _create_panel(self, orientation):
panel = FrameWindow(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(int(x), int(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 _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 _hide_completed_cb(self, animator):
self.mode = MODE_NONE
def _size_changed_cb(self, screen):
self._update_position()
def _clipboard_object_added_cb(self, cb_service, object_id, name):
if not self.visible:
self.show()
gobject.timeout_add(2000, lambda: self.hide())
def _enter_notify_cb(self, window, event):
# FIXME clicks cause leave/notify, ignore
if event.state == gtk.gdk.BUTTON1_MASK:
return
if self._hover:
return
self._hover = True
self._mouse_listener.mouse_enter()
def _leave_notify_cb(self, window, event):
# FIXME clicks cause leave/notify, ignore
if event.state == gtk.gdk.BUTTON1_MASK:
return
if not self._hover:
return
if not self._is_hover():
self._hover = False
self._mouse_listener.mouse_leave()
def _drag_motion_cb(self, window, context, x, y, time):
self._mouse_listener.mouse_enter()
def _drag_leave_cb(self, window, drag_context, timestamp):
self._mouse_listener.mouse_leave()
def _enter_corner_cb(self, event_area):
self._mouse_listener.mouse_enter()
def notify_key_press(self):
self._key_listener.key_press()
def notify_key_release(self):
self._key_listener.key_release()
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