257 lines
8.6 KiB
Python
257 lines
8.6 KiB
Python
# Copyright (C) 2006, Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import gtk
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import gobject
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import hippo
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from view.frame.eventframe import EventFrame
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from view.frame.ActivitiesBox import ActivitiesBox
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from view.frame.ZoomBox import ZoomBox
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from view.frame.overlaybox import OverlayBox
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from view.frame.FriendsBox import FriendsBox
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from view.frame.PanelWindow import PanelWindow
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from view.frame.clipboardpanelwindow import ClipboardPanelWindow
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from view.frame.framepopupcontext import FramePopupContext
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from model.ShellModel import ShellModel
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from sugar.graphics.timeline import Timeline
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from sugar.graphics import units
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_ANIMATION = True
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class Frame:
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INACTIVE = 0
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TEMPORARY = 1
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STICKY = 2
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HIDE_ON_LEAVE = 3
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AUTOMATIC = 4
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def __init__(self, shell):
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self._left_panel = None
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self._right_panel = None
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self._top_panel = None
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self._bottom_panel = None
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self._hover_frame = False
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self._shell = shell
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self._mode = Frame.INACTIVE
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self._current_position = 0
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self._timeline = Timeline(self)
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self._timeline.add_tag('slide_in', 18, 24)
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self._timeline.add_tag('before_slide_out', 48, 48)
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self._timeline.add_tag('slide_out', 49, 54)
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self._event_frame = EventFrame()
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self._event_frame.connect('enter-edge', self._enter_edge_cb)
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self._event_frame.connect('enter-corner', self._enter_corner_cb)
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self._event_frame.connect('leave', self._event_frame_leave_cb)
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self._event_frame.show()
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self._popup_context = FramePopupContext()
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self._popup_context.connect('activated',
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self._popup_context_activated_cb)
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self._popup_context.connect('deactivated',
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self._popup_context_deactivated_cb)
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self._top_panel = self._create_top_panel()
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self._bottom_panel = self._create_bottom_panel()
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self._left_panel = self._create_left_panel()
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self._right_panel = self._create_right_panel()
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shell.get_model().connect('notify::state',
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self._shell_state_changed_cb)
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screen = gtk.gdk.screen_get_default()
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screen.connect('size-changed', self._size_changed_cb)
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def _create_top_panel(self):
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panel = self._create_panel(hippo.ORIENTATION_HORIZONTAL)
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root = panel.get_root()
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box = ZoomBox(self._shell, self._popup_context)
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root.append(box)
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box = OverlayBox(self._shell)
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root.append(box, hippo.PACK_END)
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return panel
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def _create_bottom_panel(self):
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panel = self._create_panel(hippo.ORIENTATION_HORIZONTAL)
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root = panel.get_root()
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box = ActivitiesBox(self._shell, self._popup_context)
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root.append(box)
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return panel
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def _create_right_panel(self):
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panel = self._create_panel(hippo.ORIENTATION_VERTICAL)
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root = panel.get_root()
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box = FriendsBox(self._shell, self._popup_context)
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root.append(box)
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return panel
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def _create_left_panel(self):
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panel = ClipboardPanelWindow(self, hippo.ORIENTATION_VERTICAL)
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self._connect_to_panel(panel)
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panel.connect('drag-motion', self._drag_motion_cb)
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panel.connect('drag-leave', self._drag_leave_cb)
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return panel
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def _shell_state_changed_cb(self, model, pspec):
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if model.props.state == ShellModel.STATE_SHUTDOWN:
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self._timeline.goto('slide_out', True)
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def _create_panel(self, orientation):
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panel = PanelWindow(orientation)
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self._connect_to_panel(panel)
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return panel
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def _move_panel(self, panel, pos, x1, y1, x2, y2):
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x = (x2 - x1) * pos + x1
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y = (y2 - y1) * pos + y1
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panel.move(int(x), int(y))
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# FIXME we should hide and show as necessary to free memory
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if not panel.props.visible:
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panel.show()
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def _connect_to_panel(self, panel):
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panel.connect('enter-notify-event', self._enter_notify_cb)
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panel.connect('leave-notify-event', self._leave_notify_cb)
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def _popup_context_activated_cb(self, popup_context):
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self._timeline.goto('slide_in', True)
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def _popup_context_deactivated_cb(self, popup_context):
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if self._mode != Frame.STICKY and not self._hover_frame:
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self._timeline.play('before_slide_out', 'slide_out')
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def _enter_notify_cb(self, window, event):
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self._enter_notify()
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def _drag_motion_cb(self, window, context, x, y, time):
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self._enter_notify()
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return True
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def _drag_leave_cb(self, window, drag_context, timestamp):
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self._leave_notify(window)
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def _leave_notify_cb(self, window, event):
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# FIXME for some reason every click cause also a leave-notify
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if event.state == gtk.gdk.BUTTON1_MASK:
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return
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self._leave_notify(window)
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def _enter_notify(self):
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self._hover_frame = True
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if not self._timeline.on_tag('slide_in'):
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self._timeline.goto('slide_in', True)
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def _leave_notify(self, panel):
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self._hover_frame = False
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if not self._popup_context.is_active() and \
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(self._mode == Frame.HIDE_ON_LEAVE or \
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self._mode == Frame.AUTOMATIC):
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self._timeline.play('before_slide_out', 'slide_out')
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def _enter_edge_cb(self, event_frame):
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self._mode = Frame.HIDE_ON_LEAVE
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self._timeline.play(None, 'slide_in')
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def _enter_corner_cb(self, event_frame):
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self._mode = Frame.HIDE_ON_LEAVE
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self._timeline.play('slide_in', 'slide_in')
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def _event_frame_leave_cb(self, event_frame):
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if self._mode != Frame.STICKY:
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self._timeline.goto('slide_out', True)
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def show_and_hide(self, seconds):
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self._mode = Frame.AUTOMATIC
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self._timeline.play()
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def notify_key_press(self):
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if self._timeline.on_tag('slide_in'):
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self._timeline.play('before_slide_out', 'slide_out')
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elif self._timeline.on_tag('before_slide_out'):
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self._mode = Frame.TEMPORARY
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else:
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self._mode = Frame.STICKY
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self._timeline.play('slide_in', 'slide_in')
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def notify_key_release(self):
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if self._mode == Frame.TEMPORARY:
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self._timeline.play('before_slide_out', 'slide_out')
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def _move(self, pos):
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self._current_position = pos
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self._update_position()
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def _update_position(self):
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screen_h = gtk.gdk.screen_height()
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screen_w = gtk.gdk.screen_width()
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self._move_panel(self._top_panel, self._current_position,
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0, units.grid_to_pixels(-1),
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0, 0)
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self._move_panel(self._bottom_panel, self._current_position,
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0, screen_h,
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0, screen_h - units.grid_to_pixels(1))
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self._move_panel(self._left_panel, self._current_position,
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units.grid_to_pixels(-1), 0,
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0, 0)
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self._move_panel(self._right_panel, self._current_position,
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screen_w, 0,
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screen_w - units.grid_to_pixels(1), 0)
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def do_slide_in(self, current=0, n_frames=0):
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if _ANIMATION:
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self._move(float(current + 1) / float(n_frames))
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elif current == 0:
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self._move(1)
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if self._event_frame.is_visible():
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self._event_frame.hide()
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def do_slide_out(self, current=0, n_frames=0):
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if _ANIMATION:
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self._move(1 - (float(current + 1) / float(n_frames)))
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elif current == 0:
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self._move(0)
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if not self._event_frame.is_visible():
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self._event_frame.show()
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def _size_changed_cb(self, screen):
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self._update_position()
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def is_visible(self):
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return self._top_panel.props.visible
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def get_popup_context(self):
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return self._popup_context
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