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104 lines
2.8 KiB
Vala
104 lines
2.8 KiB
Vala
//
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// Copyright (C) 2014 Tom Beckmann
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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 3 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, see <http://www.gnu.org/licenses/>.
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//
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using Clutter;
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using Meta;
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namespace Gala.Plugins.Notify
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{
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public class NotificationStack : Actor
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{
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public signal void animations_changed (bool running);
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public Screen screen { get; construct; }
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int animation_counter = 0;
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public NotificationStack (Screen screen)
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{
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Object (screen: screen);
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width = Notification.WIDTH + 2 * Notification.MARGIN;
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clip_to_allocation = true;
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}
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public void show_notification (uint32 id, string summary, string body, Gdk.Pixbuf? icon,
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NotificationUrgency urgency, int32 expire_timeout, uint32 sender_pid, string[] actions)
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{
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if (animation_counter == 0)
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animations_changed (true);
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foreach (var child in get_children ()) {
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var notification = (Notification) child;
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if (notification.id == id && !notification.being_destroyed) {
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notification.update (summary, body, icon, expire_timeout, actions);
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var transition = notification.get_transition ("update");
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if (transition != null) {
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animation_counter++;
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transition.completed.connect (() => {
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if (--animation_counter == 0)
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animations_changed (false);
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});
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}
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return;
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}
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}
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var notification = new Notification (screen, id, summary, body, icon,
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urgency, expire_timeout, sender_pid, actions);
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float height;
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notification.get_preferred_height (Notification.WIDTH, out height, null);
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update_positions (height);
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insert_child_at_index (notification, 0);
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animation_counter++;
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notification.get_transition ("entry").completed.connect (() => {
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if (--animation_counter == 0)
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animations_changed (false);
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});
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}
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void update_positions (float add_y = 0.0f)
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{
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var y = add_y;
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var i = get_n_children ();
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var delay_step = i > 0 ? 150 / i : 0;
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foreach (var child in get_children ()) {
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if (((Notification) child).being_destroyed)
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continue;
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child.save_easing_state ();
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child.set_easing_mode (AnimationMode.EASE_OUT_BACK);
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child.set_easing_duration (200);
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child.set_easing_delay ((i--) * delay_step);
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child.y = y;
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child.restore_easing_state ();
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y += child.height;
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}
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}
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}
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}
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