workspace/plasma/dataengines/tasks/tasksource.h

   1 /*
   2  * Copyright 2008 Alain Boyer <alainboyer@gmail.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU Library General Public License version 2 as
   6  * published by the Free Software Foundation
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details
  12  *
  13  * You should have received a copy of the GNU Library General Public
  14  * License along with this program; if not, write to the
  15  * Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 #ifndef TASKSOURCE_H
  20 #define TASKSOURCE_H
  21
  22 // plasma
  23 #include <Plasma/DataContainer>
  24
  25 // libtaskmanager
  26 #include <taskmanager/taskmanager.h>
  27 using TaskManager::StartupPtr;
  28 using TaskManager::TaskPtr;
  29
  30 /**
  31  * Task Source
  32  *
  33  * This custom DataContainer represents a task or startup task as a unique source.
  34  * It holds a shared pointer to the task or startup task and is responsible for setting
  35  * and updating the data exposed by the source.
  36  */
  37 class TaskSource : public Plasma::DataContainer
  38 {
  39
  40     Q_OBJECT
  41
  42     public:
  43         TaskSource(StartupPtr startup, QObject *parent);
  44         TaskSource(TaskPtr task, QObject *parent);
  45         ~TaskSource();
  46
  47     protected:
  48         Plasma::Service *createService();
  49         TaskPtr getTask();
  50         bool isTask();
  51
  52     private slots:
  53         void updateStartup(::TaskManager::TaskChanges startupChanges);
  54         void updateTask(::TaskManager::TaskChanges taskChanges);
  55         void updateDesktop(int desktop);
  56
  57     private:
  58         friend class TasksEngine;
  59         friend class TaskJob;
  60         StartupPtr m_startup;
  61         TaskPtr m_task;
  62         bool m_isTask;
  63
  64 };
  65
  66 #endif // TASKSOURCE_H