workspace/plasma/applets/systemtray/core/task.cpp

   1 /***************************************************************************
   2  *   task.cpp                                                              *
   3  *                                                                         *
   4  *   Copyright (C) 2008 Jason Stubbs <jasonbstubbs@gmail.com>              *
   5  *                                                                         *
   6  *   This program is free software; you can redistribute it and/or modify  *
   7  *   it under the terms of the GNU General Public License as published by  *
   8  *   the Free Software Foundation; either version 2 of the License, or     *
   9  *   (at your option) any later version.                                   *
  10  *                                                                         *
  11  *   This program is distributed in the hope that it will be useful,       *
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  14  *   GNU General Public License for more details.                          *
  15  *                                                                         *
  16  *   You should have received a copy of the GNU General Public License     *
  17  *   along with this program; if not, write to the                         *
  18  *   Free Software Foundation, Inc.,                                       *
  19  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
  20  ***************************************************************************/
  21
  22 #include "task.h"
  23
  24 #include <QtGui/QGraphicsWidget>
  25
  26
  27 namespace SystemTray
  28 {
  29
  30
  31 class Task::Private
  32 {
  33 public:
  34     QList<QGraphicsWidget*> associatedWidgets;
  35     Task::Order order;
  36 };
  37
  38
  39 Task::Task()
  40     : d(new Private)
  41 {
  42     d->order = Normal;
  43 }
  44
  45 Task::~Task()
  46 {
  47     emit destroyed(this);
  48     delete d;
  49 }
  50
  51
  52 QGraphicsWidget* Task::widget(Plasma::Applet *host)
  53 {
  54     Q_ASSERT(host);
  55
  56     QGraphicsWidget *widget;
  57     widget = createWidget(host);
  58     d->associatedWidgets.append(widget);
  59     connect(widget, SIGNAL(destroyed()), this, SLOT(widgetDeleted()));
  60     connect(this, SIGNAL(destroyed()), widget, SLOT(deleteLater()));
  61
  62     return widget;
  63 }
  64
  65
  66 void Task::widgetDeleted()
  67 {
  68     bool wasEmbeddable = isEmbeddable();
  69     d->associatedWidgets.removeAll(static_cast<QGraphicsWidget*>(sender()));
  70     if (!wasEmbeddable && isEmbeddable()) {
  71         emit changed(this);
  72     }
  73 }
  74
  75
  76 QList<QGraphicsWidget*> Task::associatedWidgets() const
  77 {
  78     return d->associatedWidgets;
  79 }
  80
  81 bool Task::isHideable() const
  82 {
  83     return true;
  84 }
  85
  86 Task::Order Task::order() const
  87 {
  88     return d->order;
  89 }
  90
  91 void Task::setOrder(Order order)
  92 {
  93     d->order = order;
  94 }
  95
  96 }
  97
  98
  99 #include "task.moc"