# 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 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 import animator from sugar.graphics import units 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): def __init__(self, frame): self._frame = frame self._hide_sid = 0 def key_press(self): if self._frame.mode != MODE_NONE and \ self._frame.mode != MODE_KEYBOARD: return if self._frame.visible: self._hide_frame() else: self._show_frame() def key_release(self): self._hide_frame() def _hide_frame_timeout_cb(self): self._frame.hide() return False def _show_frame(self): if self._hide_sid != 0: gobject.source_remove(self._hide_sid) self._frame.show() self._frame.mode = MODE_KEYBOARD def _hide_frame(self): if self._hide_sid != 0: gobject.source_remove(self._hide_sid) self._hide_sid = gobject.timeout_add( 100, self._hide_frame_timeout_cb) class _FrameState(object): def __init__(self, visible, mode): self.visible = visible self.mode = mode 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._saved_state = None self._event_frame = EventFrame() self._event_frame.connect('enter-corner', self._enter_corner_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) self._key_listener = _KeyListener(self) self._mouse_listener = _MouseListener(self) def save_state(self): self._saved_state = _FrameState(self.visible, self.mode) def restore_state(self): if self.saved_state.visible: self.show() else: self.hide() self.mode = self._saved_state.mode def hide(self, force=False): if not self.visible: return if self._animator: self._animator.stop() self._animator = animator.Animator(0.5, 30, animator.EASE_OUT_EXPO) self._animator.add(_Animation(self, 0.0)) self._animator.start() self._event_frame.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): if self.visible: return if self._animator: self._animator.stop() self._animator = animator.Animator(0.5, 30, animator.EASE_OUT_EXPO) self._animator.add(_Animation(self, 1.0)) self._animator.start() self._event_frame.hide() self.visible = True self.mode = MODE_FORCE def get_popup_context(self): return self._popup_context 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, self._popup_context) 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, 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(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 _popup_context_activated_cb(self, popup_context): self._mouse_listener.mouse_enter() def _popup_context_deactivated_cb(self, popup_context): if not self._hover: self._mouse_listener.mouse_leave() def _enter_notify_cb(self, window, event): if self._hover: return self._hover = True self._mouse_listener.mouse_enter() def _leave_notify_cb(self, window, event): if not self._hover: return if not self._is_hover(): self._hover = False if not self._popup_context.is_active(): 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_frame): 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()