src/gui/powermanagement/powermanagement.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2011  Vladimir Golovnev <glassez@yandex.ru>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #include "powermanagement.h"
  30
  31 #include <QtSystemDetection>
  32
  33 #ifdef Q_OS_MACOS
  34 #include <IOKit/pwr_mgt/IOPMLib.h>
  35 #endif
  36
  37 #ifdef Q_OS_WIN
  38 #include <windows.h>
  39 #endif
  40
  41 #ifdef QBT_USES_DBUS
  42 #include "powermanagement_x11.h"
  43 #endif
  44
  45 PowerManagement::PowerManagement(QObject *parent)
  46     : QObject(parent)
  47 #ifdef QBT_USES_DBUS
  48     , m_inhibitor {new PowerManagementInhibitor(this)}
  49 #endif
  50 {
  51 }
  52
  53 PowerManagement::~PowerManagement()
  54 {
  55     setIdle();
  56 }
  57
  58 void PowerManagement::setActivityState(const bool busy)
  59 {
  60     if (busy)
  61         setBusy();
  62     else
  63         setIdle();
  64 }
  65
  66 void PowerManagement::setBusy()
  67 {
  68     if (m_busy)
  69         return;
  70     m_busy = true;
  71
  72 #ifdef Q_OS_WIN
  73     ::SetThreadExecutionState(ES_CONTINUOUS | ES_SYSTEM_REQUIRED);
  74 #elif defined(QBT_USES_DBUS)
  75     m_inhibitor->requestBusy();
  76 #elif defined(Q_OS_MACOS)
  77     const IOReturn success = ::IOPMAssertionCreateWithName(kIOPMAssertionTypeNoIdleSleep, kIOPMAssertionLevelOn
  78         , tr("qBittorrent is active").toCFString(), &m_assertionID);
  79     if (success != kIOReturnSuccess)
  80         m_busy = false;
  81 #endif
  82 }
  83
  84 void PowerManagement::setIdle()
  85 {
  86     if (!m_busy)
  87         return;
  88     m_busy = false;
  89
  90 #ifdef Q_OS_WIN
  91     ::SetThreadExecutionState(ES_CONTINUOUS);
  92 #elif defined(QBT_USES_DBUS)
  93     m_inhibitor->requestIdle();
  94 #elif defined(Q_OS_MACOS)
  95     ::IOPMAssertionRelease(m_assertionID);
  96 #endif
  97 }