src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version, but always including the *additional*
   9 // restrictions defined in the "License.txt" file.
  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 along
  17 // with this program; if not, write to the Free Software Foundation, Inc.,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 #include "Dialog_Processing.h"
  24
  25 //UIC includes
  26 #include "UIC_ProcessingDialog.h"
  27
  28 //Internal
  29 #include "Global.h"
  30 #include "Model_FileList.h"
  31 #include "Model_Progress.h"
  32 #include "Model_Settings.h"
  33 #include "Thread_Process.h"
  34 #include "Thread_CPUObserver.h"
  35 #include "Thread_RAMObserver.h"
  36 #include "Thread_DiskObserver.h"
  37 #include "Dialog_LogView.h"
  38 #include "Registry_Decoder.h"
  39 #include "Registry_Encoder.h"
  40 #include "Filter_Downmix.h"
  41 #include "Filter_Normalize.h"
  42 #include "Filter_Resample.h"
  43 #include "Filter_ToneAdjust.h"
  44 #include "WinSevenTaskbar.h"
  45
  46 //MUtils
  47 #include <MUtils/Global.h>
  48 #include <MUtils/OSSupport.h>
  49 #include <MUtils/GUI.h>
  50 #include <MUtils/CPUFeatures.h>
  51 #include <MUtils/Sound.h>
  52
  53 //Qt
  54 #include <QApplication>
  55 #include <QRect>
  56 #include <QDesktopWidget>
  57 #include <QMovie>
  58 #include <QMessageBox>
  59 #include <QTimer>
  60 #include <QCloseEvent>
  61 #include <QDesktopServices>
  62 #include <QUrl>
  63 #include <QUuid>
  64 #include <QFileInfo>
  65 #include <QDir>
  66 #include <QMenu>
  67 #include <QSystemTrayIcon>
  68 #include <QProcess>
  69 #include <QProgressDialog>
  70 #include <QResizeEvent>
  71 #include <QTime>
  72 #include <QElapsedTimer>
  73 #include <QThreadPool>
  74
  75 #include <math.h>
  76 #include <float.h>
  77 #include <stdint.h>
  78
  79 ////////////////////////////////////////////////////////////
  80
  81 //Maximum number of parallel instances
  82 #define MAX_INSTANCES 32U
  83
  84 //Function to calculate the number of instances
  85 static int cores2instances(int cores);
  86
  87 ////////////////////////////////////////////////////////////
  88
  89 #define CHANGE_BACKGROUND_COLOR(WIDGET, COLOR) do \
  90 { \
  91         QPalette palette = WIDGET->palette(); \
  92         palette.setColor(QPalette::Background, COLOR); \
  93         WIDGET->setPalette(palette); \
  94 } \
  95 while(0)
  96
  97 #define SET_PROGRESS_TEXT(TXT) do \
  98 { \
  99         ui->label_progress->setText(TXT); \
 100         m_systemTray->setToolTip(QString().sprintf("LameXP v%d.%02d\n%ls", lamexp_version_major(), lamexp_version_minor(), QString(TXT).utf16())); \
 101 } \
 102 while(0)
 103
 104 #define SET_FONT_BOLD(WIDGET,BOLD) do \
 105 { \
 106         QFont _font = WIDGET->font(); \
 107         _font.setBold(BOLD); WIDGET->setFont(_font); \
 108 } \
 109 while(0)
 110
 111 #define SET_TEXT_COLOR(WIDGET, COLOR) do \
 112 { \
 113         QPalette _palette = WIDGET->palette(); \
 114         _palette.setColor(QPalette::WindowText, (COLOR)); \
 115         _palette.setColor(QPalette::Text, (COLOR)); \
 116         WIDGET->setPalette(_palette); \
 117 } \
 118 while(0)
 119
 120 #define UPDATE_MIN_WIDTH(WIDGET) do \
 121 { \
 122         if(WIDGET->width() > WIDGET->minimumWidth()) WIDGET->setMinimumWidth(WIDGET->width()); \
 123 } \
 124 while(0)
 125
 126 #define PLAY_SOUND_OPTIONAL(NAME, ASYNC) do \
 127 { \
 128         if(m_settings->soundsEnabled()) MUtils::Sound::play_sound((NAME), (ASYNC)); \
 129 } \
 130 while(0)
 131
 132 #define IS_VBR(RC_MODE) ((RC_MODE) == SettingsModel::VBRMode)
 133
 134 ////////////////////////////////////////////////////////////
 135
 136 //Dummy class for UserData
 137 class IntUserData : public QObjectUserData
 138 {
 139 public:
 140         IntUserData(int value) : m_value(value) {/*NOP*/}
 141         int value(void) { return m_value; }
 142         void setValue(int value) { m_value = value; }
 143 private:
 144         int m_value;
 145 };
 146
 147 ////////////////////////////////////////////////////////////
 148 // Constructor
 149 ////////////////////////////////////////////////////////////
 150
 151 ProcessingDialog::ProcessingDialog(FileListModel *fileListModel, const AudioFileModel_MetaInfo *metaInfo, SettingsModel *settings, QWidget *parent)
 152 :
 153         QDialog(parent),
 154         ui(new Ui::ProcessingDialog),
 155         m_systemTray(new QSystemTrayIcon(QIcon(":/icons/cd_go.png"), this)),
 156         m_settings(settings),
 157         m_metaInfo(metaInfo),
 158         m_shutdownFlag(shutdownFlag_None),
 159         m_threadPool(NULL),
 160         m_diskObserver(NULL),
 161         m_cpuObserver(NULL),
 162         m_ramObserver(NULL),
 163         m_progressViewFilter(-1),
 164         m_initThreads(0),
 165         m_defaultColor(new QColor()),
 166         m_firstShow(true)
 167 {
 168         //Init the dialog, from the .ui file
 169         ui->setupUi(this);
 170         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
 171
 172         //Update the window icon
 173         MUtils::GUI::set_window_icon(this, lamexp_app_icon(), true);
 174
 175         //Update header icon
 176         ui->label_headerIcon->setPixmap(lamexp_app_icon().pixmap(ui->label_headerIcon->size()));
 177
 178         //Setup version info
 179         ui->label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
 180         ui->label_versionInfo->installEventFilter(this);
 181
 182         //Register meta type
 183         qRegisterMetaType<QUuid>("QUuid");
 184
 185         //Center window in screen
 186         QRect desktopRect = QApplication::desktop()->screenGeometry();
 187         QRect thisRect = this->geometry();
 188         move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
 189         setMinimumSize(thisRect.width(), thisRect.height());
 190
 191         //Enable buttons
 192         connect(ui->button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
 193
 194         //Init progress indicator
 195         m_progressIndicator = new QMovie(":/images/Working.gif");
 196         m_progressIndicator->setCacheMode(QMovie::CacheAll);
 197         ui->label_headerWorking->setMovie(m_progressIndicator);
 198         ui->progressBar->setValue(0);
 199
 200         //Init progress model
 201         m_progressModel = new ProgressModel();
 202         ui->view_log->setModel(m_progressModel);
 203         ui->view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 204         ui->view_log->verticalHeader()->hide();
 205         ui->view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
 206         ui->view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
 207         ui->view_log->viewport()->installEventFilter(this);
 208         connect(m_progressModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 209         connect(m_progressModel, SIGNAL(rowsMoved(QModelIndex,int,int,QModelIndex,int)), this, SLOT(progressModelChanged()));
 210         connect(m_progressModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(progressModelChanged()));
 211         connect(m_progressModel, SIGNAL(modelReset()), this, SLOT(progressModelChanged()));
 212         connect(ui->view_log, SIGNAL(activated(QModelIndex)), this, SLOT(logViewDoubleClicked(QModelIndex)));
 213         connect(ui->view_log->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(logViewSectionSizeChanged(int,int,int)));
 214
 215         //Create context menu
 216         m_contextMenu = new QMenu();
 217         QAction *contextMenuDetailsAction = m_contextMenu->addAction(QIcon(":/icons/zoom.png"), tr("Show details for selected job"));
 218         QAction *contextMenuShowFileAction = m_contextMenu->addAction(QIcon(":/icons/folder_go.png"), tr("Browse Output File Location"));
 219         m_contextMenu->addSeparator();
 220
 221         //Create "filter" context menu
 222         m_progressViewFilterGroup = new QActionGroup(this);
 223         QAction *contextMenuFilterAction[5] = {NULL, NULL, NULL, NULL, NULL};
 224         if(QMenu *filterMenu = m_contextMenu->addMenu(QIcon(":/icons/filter.png"), tr("Filter Log Items")))
 225         {
 226                 contextMenuFilterAction[0] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobRunning), tr("Show Running Only"));
 227                 contextMenuFilterAction[1] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobComplete), tr("Show Succeeded Only"));
 228                 contextMenuFilterAction[2] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobFailed), tr("Show Failed Only"));
 229                 contextMenuFilterAction[3] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobSkipped), tr("Show Skipped Only"));
 230                 contextMenuFilterAction[4] = filterMenu->addAction(m_progressModel->getIcon(ProgressModel::JobState(-1)), tr("Show All Items"));
 231                 if(QAction *act = contextMenuFilterAction[0]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobRunning); }
 232                 if(QAction *act = contextMenuFilterAction[1]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobComplete); }
 233                 if(QAction *act = contextMenuFilterAction[2]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobFailed); }
 234                 if(QAction *act = contextMenuFilterAction[3]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(ProgressModel::JobSkipped); }
 235                 if(QAction *act = contextMenuFilterAction[4]) { m_progressViewFilterGroup->addAction(act); act->setCheckable(true); act->setData(-1); act->setChecked(true); }
 236         }
 237
 238         //Create info label
 239         if(m_filterInfoLabel = new QLabel(ui->view_log))
 240         {
 241                 m_filterInfoLabel->setFrameShape(QFrame::NoFrame);
 242                 m_filterInfoLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 243                 m_filterInfoLabel->setUserData(0, new IntUserData(-1));
 244                 SET_FONT_BOLD(m_filterInfoLabel, true);
 245                 SET_TEXT_COLOR(m_filterInfoLabel, Qt::darkGray);
 246                 m_filterInfoLabel->setContextMenuPolicy(Qt::CustomContextMenu);
 247                 connect(m_filterInfoLabel, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 248                 m_filterInfoLabel->hide();
 249         }
 250         if(m_filterInfoLabelIcon = new QLabel(ui->view_log))
 251         {
 252                 m_filterInfoLabelIcon->setFrameShape(QFrame::NoFrame);
 253                 m_filterInfoLabelIcon->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
 254                 m_filterInfoLabelIcon->setContextMenuPolicy(Qt::CustomContextMenu);
 255                 const QIcon &ico = m_progressModel->getIcon(ProgressModel::JobState(-1));
 256                 m_filterInfoLabelIcon->setPixmap(ico.pixmap(16, 16));
 257                 connect(m_filterInfoLabelIcon, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 258                 m_filterInfoLabelIcon->hide();
 259         }
 260
 261         //Connect context menu
 262         ui->view_log->setContextMenuPolicy(Qt::CustomContextMenu);
 263         connect(ui->view_log, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextMenuTriggered(QPoint)));
 264         connect(contextMenuDetailsAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuDetailsActionTriggered()));
 265         connect(contextMenuShowFileAction, SIGNAL(triggered(bool)), this, SLOT(contextMenuShowFileActionTriggered()));
 266         for(size_t i = 0; i < 5; i++)
 267         {
 268                 if(contextMenuFilterAction[i]) connect(contextMenuFilterAction[i], SIGNAL(triggered(bool)), this, SLOT(contextMenuFilterActionTriggered()));
 269         }
 270         SET_FONT_BOLD(contextMenuDetailsAction, true);
 271
 272         //Enque jobs
 273         if(fileListModel)
 274         {
 275                 for(int i = 0; i < fileListModel->rowCount(); i++)
 276                 {
 277                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
 278                 }
 279         }
 280
 281         //Translate
 282         ui->label_headerStatus->setText(QString("<b>%1</b><br>%2").arg(tr("Encoding Files"), tr("Your files are being encoded, please be patient...")));
 283
 284         //Enable system tray icon
 285         connect(m_systemTray, SIGNAL(activated(QSystemTrayIcon::ActivationReason)), this, SLOT(systemTrayActivated(QSystemTrayIcon::ActivationReason)));
 286
 287         //Init other vars
 288         m_runningThreads = 0;
 289         m_currentFile = 0;
 290         m_allJobs.clear();
 291         m_succeededJobs.clear();
 292         m_failedJobs.clear();
 293         m_skippedJobs.clear();
 294         m_userAborted = false;
 295         m_forcedAbort = false;
 296 }
 297
 298 ////////////////////////////////////////////////////////////
 299 // Destructor
 300 ////////////////////////////////////////////////////////////
 301
 302 ProcessingDialog::~ProcessingDialog(void)
 303 {
 304         ui->view_log->setModel(NULL);
 305
 306         if(m_progressIndicator)
 307         {
 308                 m_progressIndicator->stop();
 309         }
 310
 311         if(m_diskObserver)
 312         {
 313                 m_diskObserver->stop();
 314                 if(!m_diskObserver->wait(15000))
 315                 {
 316                         m_diskObserver->terminate();
 317                         m_diskObserver->wait();
 318                 }
 319         }
 320
 321         if(m_cpuObserver)
 322         {
 323                 m_cpuObserver->stop();
 324                 if(!m_cpuObserver->wait(15000))
 325                 {
 326                         m_cpuObserver->terminate();
 327                         m_cpuObserver->wait();
 328                 }
 329         }
 330
 331         if(m_ramObserver)
 332         {
 333                 m_ramObserver->stop();
 334                 if(!m_ramObserver->wait(15000))
 335                 {
 336                         m_ramObserver->terminate();
 337                         m_ramObserver->wait();
 338                 }
 339         }
 340
 341         if(m_threadPool)
 342         {
 343                 if(!m_threadPool->waitForDone(100))
 344                 {
 345                         emit abortRunningTasks();
 346                         m_threadPool->waitForDone();
 347                 }
 348         }
 349
 350         MUTILS_DELETE(m_progressIndicator);
 351         MUTILS_DELETE(m_systemTray);
 352         MUTILS_DELETE(m_diskObserver);
 353         MUTILS_DELETE(m_cpuObserver);
 354         MUTILS_DELETE(m_ramObserver);
 355         MUTILS_DELETE(m_progressViewFilterGroup);
 356         MUTILS_DELETE(m_filterInfoLabel);
 357         MUTILS_DELETE(m_filterInfoLabelIcon);
 358         MUTILS_DELETE(m_contextMenu);
 359         MUTILS_DELETE(m_progressModel);
 360         MUTILS_DELETE(m_threadPool);
 361         MUTILS_DELETE(m_defaultColor);
 362
 363         WinSevenTaskbar::setOverlayIcon(this, NULL);
 364         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNoState);
 365
 366         MUTILS_DELETE(ui);
 367 }
 368
 369 ////////////////////////////////////////////////////////////
 370 // EVENTS
 371 ////////////////////////////////////////////////////////////
 372
 373 void ProcessingDialog::showEvent(QShowEvent *event)
 374 {
 375         QDialog::showEvent(event);
 376
 377         if(m_firstShow)
 378         {
 379                 static const char *NA = " N/A";
 380
 381                 MUtils::GUI::enable_close_button(this, false);
 382                 ui->button_closeDialog->setEnabled(false);
 383                 ui->button_AbortProcess->setEnabled(false);
 384                 m_progressIndicator->start();
 385                 m_systemTray->setVisible(true);
 386
 387                 MUtils::OS::change_process_priority(1);
 388
 389                 ui->label_cpu->setText(NA);
 390                 ui->label_disk->setText(NA);
 391                 ui->label_ram->setText(NA);
 392
 393                 QTimer::singleShot(500, this, SLOT(initEncoding()));
 394                 m_firstShow = false;
 395         }
 396
 397         //Force update geometry
 398         resizeEvent(NULL);
 399 }
 400
 401 void ProcessingDialog::closeEvent(QCloseEvent *event)
 402 {
 403         if(!ui->button_closeDialog->isEnabled())
 404         {
 405                 event->ignore();
 406         }
 407         else
 408         {
 409                 m_systemTray->setVisible(false);
 410         }
 411 }
 412
 413 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 414 {
 415         if(obj == ui->label_versionInfo)
 416         {
 417                 if(event->type() == QEvent::Enter)
 418                 {
 419                         QPalette palette = ui->label_versionInfo->palette();
 420                         *m_defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 421                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 422                         ui->label_versionInfo->setPalette(palette);
 423                 }
 424                 else if(event->type() == QEvent::Leave)
 425                 {
 426                         QPalette palette = ui->label_versionInfo->palette();
 427                         palette.setColor(QPalette::Normal, QPalette::WindowText, *m_defaultColor);
 428                         ui->label_versionInfo->setPalette(palette);
 429                 }
 430                 else if(event->type() == QEvent::MouseButtonPress)
 431                 {
 432                         QUrl url(lamexp_website_url());
 433                         QDesktopServices::openUrl(url);
 434                 }
 435         }
 436
 437         return false;
 438 }
 439
 440 bool ProcessingDialog::event(QEvent *e)
 441 {
 442         switch(e->type())
 443         {
 444         case MUtils::GUI::USER_EVENT_QUERYENDSESSION:
 445                 qWarning("System is shutting down, preparing to abort...");
 446                 if(!m_userAborted) abortEncoding(true);
 447                 return true;
 448         case MUtils::GUI::USER_EVENT_ENDSESSION:
 449                 qWarning("System is shutting down, encoding will be aborted now...");
 450                 if(isVisible())
 451                 {
 452                         while(!close())
 453                         {
 454                                 if(!m_userAborted) abortEncoding(true);
 455                                 qApp->processEvents(QEventLoop::WaitForMoreEvents | QEventLoop::ExcludeUserInputEvents);
 456                         }
 457                 }
 458                 m_pendingJobs.clear();
 459                 return true;
 460         default:
 461                 return QDialog::event(e);
 462         }
 463 }
 464
 465 /*
 466  * Window was resized
 467  */
 468 void ProcessingDialog::resizeEvent(QResizeEvent *event)
 469 {
 470         if(event) QDialog::resizeEvent(event);
 471
 472         if(QWidget *port = ui->view_log->viewport())
 473         {
 474                 QRect geom = port->geometry();
 475                 m_filterInfoLabel->setGeometry(geom.left() + 16, geom.top() + 16, geom.width() - 32, 48);
 476                 m_filterInfoLabelIcon->setGeometry(geom.left() + 16, geom.top() + 64, geom.width() - 32, geom.height() - 80);
 477         }
 478 }
 479
 480 bool ProcessingDialog::winEvent(MSG *message, long *result)
 481 {
 482         return WinSevenTaskbar::handleWinEvent(message, result);
 483 }
 484
 485 ////////////////////////////////////////////////////////////
 486 // SLOTS
 487 ////////////////////////////////////////////////////////////
 488
 489 void ProcessingDialog::initEncoding(void)
 490 {
 491         qDebug("Initializing encoding process...");
 492
 493         m_runningThreads = 0;
 494         m_currentFile = 0;
 495         m_allJobs.clear();
 496         m_succeededJobs.clear();
 497         m_failedJobs.clear();
 498         m_skippedJobs.clear();
 499         m_userAborted = false;
 500         m_forcedAbort = false;
 501         m_playList.clear();
 502
 503         DecoderRegistry::configureDecoders(m_settings);
 504
 505         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor(Qt::white));
 506         SET_PROGRESS_TEXT(tr("Encoding files, please wait..."));
 507
 508         ui->button_closeDialog->setEnabled(false);
 509         ui->button_AbortProcess->setEnabled(true);
 510         ui->progressBar->setRange(0, m_pendingJobs.count());
 511         ui->checkBox_shutdownComputer->setEnabled(true);
 512         ui->checkBox_shutdownComputer->setChecked(false);
 513
 514         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 515         WinSevenTaskbar::setTaskbarProgress(this, 0, m_pendingJobs.count());
 516         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/control_play_blue.png"));
 517
 518         if(!m_diskObserver)
 519         {
 520                 m_diskObserver = new DiskObserverThread(m_settings->customTempPathEnabled() ? m_settings->customTempPath() : MUtils::temp_folder());
 521                 connect(m_diskObserver, SIGNAL(messageLogged(QString,int)), m_progressModel, SLOT(addSystemMessage(QString,int)), Qt::QueuedConnection);
 522                 connect(m_diskObserver, SIGNAL(freeSpaceChanged(quint64)), this, SLOT(diskUsageHasChanged(quint64)), Qt::QueuedConnection);
 523                 m_diskObserver->start();
 524         }
 525         if(!m_cpuObserver)
 526         {
 527                 m_cpuObserver = new CPUObserverThread();
 528                 connect(m_cpuObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(cpuUsageHasChanged(double)), Qt::QueuedConnection);
 529                 m_cpuObserver->start();
 530         }
 531         if(!m_ramObserver)
 532         {
 533                 m_ramObserver = new RAMObserverThread();
 534                 connect(m_ramObserver, SIGNAL(currentUsageChanged(double)), this, SLOT(ramUsageHasChanged(double)), Qt::QueuedConnection);
 535                 m_ramObserver->start();
 536         }
 537
 538         if(!m_threadPool)
 539         {
 540                 unsigned int maximumInstances = qBound(0U, m_settings->maximumInstances(), MAX_INSTANCES);
 541                 if(maximumInstances < 1)
 542                 {
 543                         const MUtils::CPUFetaures::cpu_info_t cpuFeatures = MUtils::CPUFetaures::detect(MUtils::OS::arguments());
 544                         maximumInstances = cores2instances(qBound(1U, cpuFeatures.count, 64U));
 545                 }
 546
 547                 maximumInstances = qBound(1U, maximumInstances, static_cast<unsigned int>(m_pendingJobs.count()));
 548                 if(maximumInstances > 1)
 549                 {
 550                         m_progressModel->addSystemMessage(tr("Multi-threading enabled: Running %1 instances in parallel!").arg(QString::number(maximumInstances)));
 551                 }
 552
 553                 m_threadPool = new QThreadPool();
 554                 m_threadPool->setMaxThreadCount(maximumInstances);
 555         }
 556
 557         m_initThreads = m_threadPool->maxThreadCount();
 558         QTimer::singleShot(100, this, SLOT(initNextJob()));
 559
 560         m_totalTime.reset(new QElapsedTimer());
 561         m_totalTime->start();
 562 }
 563
 564 void ProcessingDialog::initNextJob(void)
 565 {
 566         if((m_initThreads > 0) && (!m_userAborted))
 567         {
 568                 startNextJob();
 569                 if(--m_initThreads > 0)
 570                 {
 571                         QTimer::singleShot(32, this, SLOT(initNextJob()));
 572                 }
 573         }
 574 }
 575
 576 void ProcessingDialog::startNextJob(void)
 577 {
 578         if(m_pendingJobs.isEmpty())
 579         {
 580                 qWarning("No more files left, unable to start another job!");
 581                 return;
 582         }
 583
 584         m_currentFile++;
 585         m_runningThreads++;
 586
 587         AudioFileModel currentFile = updateMetaInfo(m_pendingJobs.takeFirst());
 588         bool nativeResampling = false;
 589
 590         //Create encoder instance
 591         AbstractEncoder *encoder = EncoderRegistry::createInstance(m_settings->compressionEncoder(), m_settings, &nativeResampling);
 592
 593         //Create processing thread
 594         ProcessThread *thread = new ProcessThread
 595         (
 596                 currentFile,
 597                 (m_settings->outputToSourceDir() ? QFileInfo(currentFile.filePath()).absolutePath() : m_settings->outputDir()),
 598                 (m_settings->customTempPathEnabled() ? m_settings->customTempPath() : MUtils::temp_folder()),
 599                 encoder,
 600                 m_settings->prependRelativeSourcePath() && (!m_settings->outputToSourceDir())
 601         );
 602
 603         //Add audio filters
 604         if(m_settings->forceStereoDownmix())
 605         {
 606                 thread->addFilter(new DownmixFilter());
 607         }
 608         if((m_settings->samplingRate() > 0) && !nativeResampling)
 609         {
 610                 if(SettingsModel::samplingRates[m_settings->samplingRate()] != currentFile.techInfo().audioSamplerate() || currentFile.techInfo().audioSamplerate() == 0)
 611                 {
 612                         thread->addFilter(new ResampleFilter(SettingsModel::samplingRates[m_settings->samplingRate()]));
 613                 }
 614         }
 615         if((m_settings->toneAdjustBass() != 0) || (m_settings->toneAdjustTreble() != 0))
 616         {
 617                 thread->addFilter(new ToneAdjustFilter(m_settings->toneAdjustBass(), m_settings->toneAdjustTreble()));
 618         }
 619         if(m_settings->normalizationFilterEnabled())
 620         {
 621                 thread->addFilter(new NormalizeFilter(m_settings->normalizationFilterMaxVolume(), m_settings->normalizationFilterEQMode()));
 622         }
 623         if(m_settings->renameOutputFilesEnabled() && (!m_settings->renameOutputFilesPattern().simplified().isEmpty()))
 624         {
 625                 thread->setRenamePattern(m_settings->renameOutputFilesPattern());
 626         }
 627         if(m_settings->overwriteMode() != SettingsModel::Overwrite_KeepBoth)
 628         {
 629                 thread->setOverwriteMode((m_settings->overwriteMode() == SettingsModel::Overwrite_SkipFile), (m_settings->overwriteMode() == SettingsModel::Overwrite_Replaces));
 630         }
 631
 632         m_allJobs.append(thread->getId());
 633
 634         //Connect thread signals
 635         connect(thread, SIGNAL(processFinished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 636         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel, SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 637         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel, SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 638         connect(thread, SIGNAL(processStateFinished(QUuid,QString,int)), this, SLOT(processFinished(QUuid,QString,int)), Qt::QueuedConnection);
 639         connect(thread, SIGNAL(processMessageLogged(QUuid,QString)), m_progressModel, SLOT(appendToLog(QUuid,QString)), Qt::QueuedConnection);
 640         connect(this, SIGNAL(abortRunningTasks()), thread, SLOT(abort()), Qt::DirectConnection);
 641
 642         //Initialize thread object
 643         if(!thread->init())
 644         {
 645                 qFatal("Fatal Error: Thread initialization has failed!");
 646         }
 647
 648         //Give it a go!
 649         if(!thread->start(m_threadPool))
 650         {
 651                 qWarning("Job failed to start or file was skipped!");
 652         }
 653 }
 654
 655 void ProcessingDialog::abortEncoding(bool force)
 656 {
 657         m_userAborted = true;
 658         if(force) m_forcedAbort = true;
 659         ui->button_AbortProcess->setEnabled(false);
 660         SET_PROGRESS_TEXT(tr("Aborted! Waiting for running jobs to terminate..."));
 661         emit abortRunningTasks();
 662 }
 663
 664 void ProcessingDialog::doneEncoding(void)
 665 {
 666         m_runningThreads--;
 667         ui->progressBar->setValue(ui->progressBar->value() + 1);
 668
 669         if(!m_userAborted)
 670         {
 671                 SET_PROGRESS_TEXT(tr("Encoding: %n file(s) of %1 completed so far, please wait...", "", ui->progressBar->value()).arg(QString::number(ui->progressBar->maximum())));
 672                 WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 673         }
 674
 675         if((!m_pendingJobs.isEmpty()) && (!m_userAborted))
 676         {
 677                 QTimer::singleShot(0, this, SLOT(startNextJob()));
 678                 qDebug("%d files left, starting next job...", m_pendingJobs.count());
 679                 return;
 680         }
 681
 682         if(m_runningThreads > 0)
 683         {
 684                 qDebug("No files left, but still have %u running jobs.", m_runningThreads);
 685                 return;
 686         }
 687
 688         QApplication::setOverrideCursor(Qt::WaitCursor);
 689         qDebug("Running jobs: %u", m_runningThreads);
 690
 691         if(!m_userAborted && m_settings->createPlaylist() && !m_settings->outputToSourceDir())
 692         {
 693                 SET_PROGRESS_TEXT(tr("Creating the playlist file, please wait..."));
 694                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 695                 writePlayList();
 696         }
 697
 698         if(m_userAborted)
 699         {
 700                 CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFFFE0"));
 701                 WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 702                 WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/error.png"));
 703                 SET_PROGRESS_TEXT((m_succeededJobs.count() > 0) ? tr("Process was aborted by the user after %n file(s)!", "", m_succeededJobs.count()) : tr("Process was aborted prematurely by the user!"));
 704                 m_systemTray->showMessage(tr("LameXP - Aborted"), tr("Process was aborted by the user."), QSystemTrayIcon::Warning);
 705                 m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 706                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 707                 if(!m_forcedAbort) PLAY_SOUND_OPTIONAL("aborted", false);
 708         }
 709         else
 710         {
 711                 if((!m_totalTime.isNull()) && m_totalTime->isValid())
 712                 {
 713                         m_progressModel->addSystemMessage(tr("Process finished after %1.").arg(time2text(m_totalTime->elapsed())), ProgressModel::SysMsg_Performance);
 714                         m_totalTime->invalidate();
 715                 }
 716
 717                 if(m_failedJobs.count() > 0)
 718                 {
 719                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#FFF0F0"));
 720                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarErrorState);
 721                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/exclamation.png"));
 722                         if(m_skippedJobs.count() > 0)
 723                         {
 724                                 SET_PROGRESS_TEXT(tr("Error: %1 of %n file(s) failed (%2). Double-click failed items for detailed information!", "", m_failedJobs.count() + m_succeededJobs.count() + m_skippedJobs.count()).arg(QString::number(m_failedJobs.count()), tr("%n file(s) skipped", "", m_skippedJobs.count())));
 725                         }
 726                         else
 727                         {
 728                                 SET_PROGRESS_TEXT(tr("Error: %1 of %n file(s) failed. Double-click failed items for detailed information!", "", m_failedJobs.count() + m_succeededJobs.count()).arg(QString::number(m_failedJobs.count())));
 729                         }
 730                         m_systemTray->showMessage(tr("LameXP - Error"), tr("At least one file has failed!"), QSystemTrayIcon::Critical);
 731                         m_systemTray->setIcon(QIcon(":/icons/cd_delete.png"));
 732                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 733                         PLAY_SOUND_OPTIONAL("error", false);
 734                 }
 735                 else
 736                 {
 737                         CHANGE_BACKGROUND_COLOR(ui->frame_header, QColor("#F0FFF0"));
 738                         WinSevenTaskbar::setTaskbarState(this, WinSevenTaskbar::WinSevenTaskbarNormalState);
 739                         WinSevenTaskbar::setOverlayIcon(this, &QIcon(":/icons/accept.png"));
 740                         if(m_skippedJobs.count() > 0)
 741                         {
 742                                 SET_PROGRESS_TEXT(tr("All files completed successfully. Skipped %n file(s).", "", m_skippedJobs.count()));
 743                         }
 744                         else
 745                         {
 746                                 SET_PROGRESS_TEXT(tr("All files completed successfully."));
 747                         }
 748                         m_systemTray->showMessage(tr("LameXP - Done"), tr("All files completed successfully."), QSystemTrayIcon::Information);
 749                         m_systemTray->setIcon(QIcon(":/icons/cd_add.png"));
 750                         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
 751                         PLAY_SOUND_OPTIONAL("success", false);
 752                 }
 753         }
 754
 755         MUtils::GUI::enable_close_button(this, true);
 756         ui->button_closeDialog->setEnabled(true);
 757         ui->button_AbortProcess->setEnabled(false);
 758         ui->checkBox_shutdownComputer->setEnabled(false);
 759
 760         m_progressModel->restoreHiddenItems();
 761         ui->view_log->scrollToBottom();
 762         m_progressIndicator->stop();
 763         ui->progressBar->setValue(ui->progressBar->maximum());
 764         WinSevenTaskbar::setTaskbarProgress(this, ui->progressBar->value(), ui->progressBar->maximum());
 765
 766         QApplication::restoreOverrideCursor();
 767
 768         if(!m_userAborted && ui->checkBox_shutdownComputer->isChecked())
 769         {
 770                 if(shutdownComputer())
 771                 {
 772                         m_shutdownFlag = m_settings->hibernateComputer() ? shutdownFlag_Hibernate : shutdownFlag_TurnPowerOff;
 773                         accept();
 774                 }
 775         }
 776 }
 777
 778 void ProcessingDialog::processFinished(const QUuid &jobId, const QString &outFileName, int success)
 779 {
 780         if(success > 0)
 781         {
 782                 m_playList.insert(jobId, outFileName);
 783                 m_succeededJobs.append(jobId);
 784         }
 785         else if(success < 0)
 786         {
 787                 m_playList.insert(jobId, outFileName);
 788                 m_skippedJobs.append(jobId);
 789         }
 790         else
 791         {
 792                 m_failedJobs.append(jobId);
 793         }
 794
 795         //Update filter as soon as a job finished!
 796         if(m_progressViewFilter >= 0)
 797         {
 798                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 799         }
 800 }
 801
 802 void ProcessingDialog::progressModelChanged(void)
 803 {
 804         //Update filter as soon as the model changes!
 805         if(m_progressViewFilter >= 0)
 806         {
 807                 QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 808         }
 809
 810         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 811 }
 812
 813 void ProcessingDialog::logViewDoubleClicked(const QModelIndex &index)
 814 {
 815         if(m_runningThreads == 0)
 816         {
 817                 const QStringList &logFile = m_progressModel->getLogFile(index);
 818
 819                 if(!logFile.isEmpty())
 820                 {
 821                         LogViewDialog *logView = new LogViewDialog(this);
 822                         logView->setWindowTitle(QString("LameXP - [%1]").arg(m_progressModel->data(index, Qt::DisplayRole).toString()));
 823                         logView->exec(logFile);
 824                         MUTILS_DELETE(logView);
 825                 }
 826                 else
 827                 {
 828                         QMessageBox::information(this, windowTitle(), m_progressModel->data(m_progressModel->index(index.row(), 0)).toString());
 829                 }
 830         }
 831         else
 832         {
 833                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 834         }
 835 }
 836
 837 void ProcessingDialog::logViewSectionSizeChanged(int logicalIndex, int oldSize, int newSize)
 838 {
 839         if(logicalIndex == 1)
 840         {
 841                 if(QHeaderView *hdr = ui->view_log->horizontalHeader())
 842                 {
 843                         hdr->setMinimumSectionSize(qMax(hdr->minimumSectionSize(), hdr->sectionSize(1)));
 844                 }
 845         }
 846 }
 847
 848 void ProcessingDialog::contextMenuTriggered(const QPoint &pos)
 849 {
 850         QAbstractScrollArea *scrollArea = dynamic_cast<QAbstractScrollArea*>(QObject::sender());
 851         QWidget *sender = scrollArea ? scrollArea->viewport() : dynamic_cast<QWidget*>(QObject::sender());
 852
 853         if(pos.x() <= sender->width() && pos.y() <= sender->height() && pos.x() >= 0 && pos.y() >= 0)
 854         {
 855                 m_contextMenu->popup(sender->mapToGlobal(pos));
 856         }
 857 }
 858
 859 void ProcessingDialog::contextMenuDetailsActionTriggered(void)
 860 {
 861         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 862         logViewDoubleClicked(index.isValid() ? index : ui->view_log->currentIndex());
 863 }
 864
 865 void ProcessingDialog::contextMenuShowFileActionTriggered(void)
 866 {
 867         QModelIndex index = ui->view_log->indexAt(ui->view_log->viewport()->mapFromGlobal(m_contextMenu->pos()));
 868         const QUuid &jobId = m_progressModel->getJobId(index.isValid() ? index : ui->view_log->currentIndex());
 869         QString filePath = m_playList.value(jobId, QString());
 870
 871         if(filePath.isEmpty())
 872         {
 873                 MUtils::Sound::beep(MUtils::Sound::BEEP_WRN);
 874                 return;
 875         }
 876
 877         if(QFileInfo(filePath).exists())
 878         {
 879                 QString systemRootPath;
 880
 881                 QDir systemRoot(MUtils::OS::known_folder(MUtils::OS::FOLDER_SYSTEMFOLDER));
 882                 if(systemRoot.exists() && systemRoot.cdUp())
 883                 {
 884                         systemRootPath = systemRoot.canonicalPath();
 885                 }
 886
 887                 if(!systemRootPath.isEmpty())
 888                 {
 889                         QFileInfo explorer(QString("%1/explorer.exe").arg(systemRootPath));
 890                         if(explorer.exists() && explorer.isFile())
 891                         {
 892                                 QProcess::execute(explorer.canonicalFilePath(), QStringList() << "/select," << QDir::toNativeSeparators(QFileInfo(filePath).canonicalFilePath()));
 893                                 return;
 894                         }
 895                 }
 896                 else
 897                 {
 898                         qWarning("SystemRoot directory could not be detected!");
 899                 }
 900         }
 901         else
 902         {
 903                 qWarning("File not found: %s", filePath.toLatin1().constData());
 904                 MUtils::Sound::beep(MUtils::Sound::BEEP_ERR);
 905         }
 906 }
 907
 908 void ProcessingDialog::contextMenuFilterActionTriggered(void)
 909 {
 910         if(QAction *action = dynamic_cast<QAction*>(QObject::sender()))
 911         {
 912                 if(action->data().type() == QVariant::Int)
 913                 {
 914                         m_progressViewFilter = action->data().toInt();
 915                         progressViewFilterChanged();
 916                         QTimer::singleShot(0, this, SLOT(progressViewFilterChanged()));
 917                         QTimer::singleShot(0, ui->view_log, SLOT(scrollToBottom()));
 918                         action->setChecked(true);
 919                 }
 920         }
 921 }
 922
 923 /*
 924  * Filter progress items
 925  */
 926 void ProcessingDialog::progressViewFilterChanged(void)
 927 {
 928         bool matchFound = false;
 929
 930         for(int i = 0; i < ui->view_log->model()->rowCount(); i++)
 931         {
 932                 QModelIndex index = (m_progressViewFilter >= 0) ? m_progressModel->index(i, 0) : QModelIndex();
 933                 const bool bHide = index.isValid() ? (m_progressModel->getJobState(index) != m_progressViewFilter) : false;
 934                 ui->view_log->setRowHidden(i, bHide); matchFound = matchFound || (!bHide);
 935         }
 936
 937         if((m_progressViewFilter >= 0) && (!matchFound))
 938         {
 939                 if(m_filterInfoLabel->isHidden() || (dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->value() != m_progressViewFilter))
 940                 {
 941                         dynamic_cast<IntUserData*>(m_filterInfoLabel->userData(0))->setValue(m_progressViewFilter);
 942                         m_filterInfoLabel->setText(QString("<p>&raquo; %1 &laquo;</p>").arg(tr("None of the items matches the current filtering rules")));
 943                         m_filterInfoLabel->show();
 944                         m_filterInfoLabelIcon->setPixmap(m_progressModel->getIcon(static_cast<ProgressModel::JobState>(m_progressViewFilter)).pixmap(16, 16, QIcon::Disabled));
 945                         m_filterInfoLabelIcon->show();
 946                         resizeEvent(NULL);
 947                 }
 948         }
 949         else if(!m_filterInfoLabel->isHidden())
 950         {
 951                 m_filterInfoLabel->hide();
 952                 m_filterInfoLabelIcon->hide();
 953         }
 954 }
 955
 956 ////////////////////////////////////////////////////////////
 957 // Private Functions
 958 ////////////////////////////////////////////////////////////
 959
 960 void ProcessingDialog::writePlayList(void)
 961 {
 962         if(m_succeededJobs.count() <= 0 || m_allJobs.count() <= 0)
 963         {
 964                 qWarning("WritePlayList: Nothing to do!");
 965                 return;
 966         }
 967
 968         //Init local variables
 969         QStringList list;
 970         QRegExp regExp1("\\[\\d\\d\\][^/\\\\]+$", Qt::CaseInsensitive);
 971         QRegExp regExp2("\\(\\d\\d\\)[^/\\\\]+$", Qt::CaseInsensitive);
 972         QRegExp regExp3("\\d\\d[^/\\\\]+$", Qt::CaseInsensitive);
 973         bool usePrefix[3] = {true, true, true};
 974         bool useUtf8 = false;
 975         int counter = 1;
 976
 977         //Generate playlist name
 978         QString playListName = (m_metaInfo->album().isEmpty() ? "Playlist" : m_metaInfo->album());
 979         if(!m_metaInfo->artist().isEmpty())
 980         {
 981                 playListName = QString("%1 - %2").arg(m_metaInfo->artist(), playListName);
 982         }
 983
 984         //Clean playlist name
 985         playListName = MUtils::clean_file_name(playListName);
 986
 987         //Create list of audio files
 988         for(int i = 0; i < m_allJobs.count(); i++)
 989         {
 990                 if(!m_succeededJobs.contains(m_allJobs.at(i))) continue;
 991                 list << QDir::toNativeSeparators(QDir(m_settings->outputDir()).relativeFilePath(m_playList.value(m_allJobs.at(i), "N/A")));
 992         }
 993
 994         //Use prefix?
 995         for(int i = 0; i < list.count(); i++)
 996         {
 997                 if(regExp1.indexIn(list.at(i)) < 0) usePrefix[0] = false;
 998                 if(regExp2.indexIn(list.at(i)) < 0) usePrefix[1] = false;
 999                 if(regExp3.indexIn(list.at(i)) < 0) usePrefix[2] = false;
1000         }
1001         if(usePrefix[0] || usePrefix[1] || usePrefix[2])
1002         {
1003                 playListName.prepend(usePrefix[0] ? "[00] " : (usePrefix[1] ? "(00) " : "00 "));
1004         }
1005
1006         //Do we need an UTF-8 playlist?
1007         for(int i = 0; i < list.count(); i++)
1008         {
1009                 if(wcscmp(MUTILS_WCHR(QString::fromLatin1(list.at(i).toLatin1().constData())), MUTILS_WCHR(list.at(i))))
1010                 {
1011                         useUtf8 = true;
1012                         break;
1013                 }
1014         }
1015
1016         //Generate playlist output file
1017         QString playListFile = QString("%1/%2.%3").arg(m_settings->outputDir(), playListName, (useUtf8 ? "m3u8" : "m3u"));
1018         while(QFileInfo(playListFile).exists())
1019         {
1020                 playListFile = QString("%1/%2 (%3).%4").arg(m_settings->outputDir(), playListName, QString::number(++counter), (useUtf8 ? "m3u8" : "m3u"));
1021         }
1022
1023         //Now write playlist to output file
1024         QFile playList(playListFile);
1025         if(playList.open(QIODevice::WriteOnly))
1026         {
1027                 if(useUtf8)
1028                 {
1029                         playList.write("\xef\xbb\xbf");
1030                 }
1031                 playList.write("#EXTM3U\r\n");
1032                 while(!list.isEmpty())
1033                 {
1034                         playList.write(useUtf8 ? MUTILS_UTF8(list.takeFirst()) : list.takeFirst().toLatin1().constData());
1035                         playList.write("\r\n");
1036                 }
1037                 playList.close();
1038         }
1039         else
1040         {
1041                 QMessageBox::warning(this, tr("Playlist creation failed"), QString("%1<br><nobr>%2</nobr>").arg(tr("The playlist file could not be created:"), playListFile));
1042         }
1043 }
1044
1045 AudioFileModel ProcessingDialog::updateMetaInfo(AudioFileModel &audioFile)
1046 {
1047         if(!m_settings->writeMetaTags())
1048         {
1049                 audioFile.metaInfo().reset();
1050                 return audioFile;
1051         }
1052
1053         audioFile.metaInfo().update(*m_metaInfo, true);
1054
1055         if(audioFile.metaInfo().position() == UINT_MAX)
1056         {
1057                 audioFile.metaInfo().setPosition(m_currentFile);
1058         }
1059
1060         return audioFile;
1061 }
1062
1063 void ProcessingDialog::systemTrayActivated(QSystemTrayIcon::ActivationReason reason)
1064 {
1065         if(reason == QSystemTrayIcon::DoubleClick)
1066         {
1067                 MUtils::GUI::bring_to_front(this);
1068         }
1069 }
1070
1071 void ProcessingDialog::cpuUsageHasChanged(const double val)
1072 {
1073
1074         ui->label_cpu->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1075         UPDATE_MIN_WIDTH(ui->label_cpu);
1076 }
1077
1078 void ProcessingDialog::ramUsageHasChanged(const double val)
1079 {
1080
1081         ui->label_ram->setText(QString().sprintf(" %d%%", qRound(val * 100.0)));
1082         UPDATE_MIN_WIDTH(ui->label_ram);
1083 }
1084
1085 void ProcessingDialog::diskUsageHasChanged(const quint64 val)
1086 {
1087         int postfix = 0;
1088         const char *postfixStr[6] = {"B", "KB", "MB", "GB", "TB", "PB"};
1089         double space = static_cast<double>(val);
1090
1091         while((space >= 1000.0) && (postfix < 5))
1092         {
1093                 space = space / 1024.0;
1094                 postfix++;
1095         }
1096
1097         ui->label_disk->setText(QString().sprintf(" %3.1f %s", space, postfixStr[postfix]));
1098         UPDATE_MIN_WIDTH(ui->label_disk);
1099 }
1100
1101 bool ProcessingDialog::shutdownComputer(void)
1102 {
1103         const int iTimeout = m_settings->hibernateComputer() ? 10 : 30;
1104         const Qt::WindowFlags flags = Qt::WindowStaysOnTopHint | Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint | Qt::WindowSystemMenuHint;
1105         const QString text = QString("%1%2%1").arg(QString().fill(' ', 18), tr("Warning: Computer will shutdown in %1 seconds..."));
1106
1107         qWarning("Initiating shutdown sequence!");
1108
1109         QProgressDialog progressDialog(text.arg(iTimeout), tr("Cancel Shutdown"), 0, iTimeout + 1, this, flags);
1110         QPushButton *cancelButton = new QPushButton(tr("Cancel Shutdown"), &progressDialog);
1111         cancelButton->setIcon(QIcon(":/icons/power_on.png"));
1112         progressDialog.setModal(true);
1113         progressDialog.setAutoClose(false);
1114         progressDialog.setAutoReset(false);
1115         progressDialog.setWindowIcon(QIcon(":/icons/power_off.png"));
1116         progressDialog.setCancelButton(cancelButton);
1117         progressDialog.show();
1118
1119         qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1120
1121         QApplication::setOverrideCursor(Qt::WaitCursor);
1122         PLAY_SOUND_OPTIONAL("shutdown", false);
1123         QApplication::restoreOverrideCursor();
1124
1125         QTimer timer;
1126         timer.setInterval(1000);
1127         timer.start();
1128
1129         QEventLoop eventLoop(this);
1130         connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
1131         connect(&progressDialog, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
1132
1133         for(int i = 1; i <= iTimeout; i++)
1134         {
1135                 eventLoop.exec();
1136                 if(progressDialog.wasCanceled())
1137                 {
1138                         progressDialog.close();
1139                         return false;
1140                 }
1141                 progressDialog.setValue(i+1);
1142                 progressDialog.setLabelText(text.arg(iTimeout-i));
1143                 if(iTimeout-i == 3) progressDialog.setCancelButton(NULL);
1144                 qApp->processEvents(QEventLoop::ExcludeUserInputEvents);
1145                 PLAY_SOUND_OPTIONAL(((i < iTimeout) ? "beep" : "beep2"), false);
1146         }
1147
1148         progressDialog.close();
1149         return true;
1150 }
1151
1152 QString ProcessingDialog::time2text(const qint64 &msec) const
1153 {
1154         const qint64 MILLISECONDS_PER_DAY = 86399999;   //24x60x60x1000 - 1
1155         const QTime time = QTime().addMSecs(qMin(msec, MILLISECONDS_PER_DAY));
1156
1157         QString a, b;
1158
1159         if(time.hour() > 0)
1160         {
1161                 a = tr("%n hour(s)",   "", time.hour());
1162                 b = tr("%n minute(s)", "", time.minute());
1163         }
1164         else if(time.minute() > 0)
1165         {
1166                 a = tr("%n minute(s)", "", time.minute());
1167                 b = tr("%n second(s)", "", time.second());
1168         }
1169         else
1170         {
1171                 a = tr("%n second(s)",      "", time.second());
1172                 b = tr("%n millisecond(s)", "", time.msec());
1173         }
1174
1175         return QString("%1, %2").arg(a, b);
1176 }
1177
1178 ////////////////////////////////////////////////////////////
1179 // HELPER FUNCTIONS
1180 ////////////////////////////////////////////////////////////
1181
1182 static int cores2instances(int cores)
1183 {
1184         //This function is a "cubic spline" with sampling points at:
1185         //(1,1); (2,2); (4,4); (8,6); (16,8); (32,11); (64,16)
1186         static const double LUT[8][5] =
1187         {
1188                 { 1.0,  0.014353554, -0.043060662, 1.028707108,  0.000000000},
1189                 { 2.0, -0.028707108,  0.215303309, 0.511979167,  0.344485294},
1190                 { 4.0,  0.010016468, -0.249379596, 2.370710784, -2.133823529},
1191                 { 8.0,  0.000282437, -0.015762868, 0.501776961,  2.850000000},
1192                 {16.0,  0.000033270, -0.003802849, 0.310416667,  3.870588235},
1193                 {32.0,  0.000006343, -0.001217831, 0.227696078,  4.752941176},
1194                 {64.0,  0.000000000,  0.000000000, 0.000000000, 16.000000000},
1195                 {DBL_MAX, 0.0, 0.0, 0.0, 0.0}
1196         };
1197
1198         double x = abs(static_cast<double>(cores)), y = 1.0;
1199
1200         for(size_t i = 0; i < 7; i++)
1201         {
1202                 if((x >= LUT[i][0]) && (x < LUT[i+1][0]))
1203                 {
1204                         y = (((((LUT[i][1] * x) + LUT[i][2]) * x) + LUT[i][3]) * x) + LUT[i][4];
1205                         break;
1206                 }
1207         }
1208
1209         return qRound(y);
1210 }