src/Dialog_Processing.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2010 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.
   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 along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "Dialog_Processing.h"
  23
  24 #include "Global.h"
  25 #include "Model_FileList.h"
  26 #include "Model_Progress.h"
  27 #include "Thread_Process.h"
  28
  29 #include <QApplication>
  30 #include <QRect>
  31 #include <QDesktopWidget>
  32 #include <QMovie>
  33 #include <QMessageBox>
  34 #include <QTimer>
  35 #include <QCloseEvent>
  36 #include <QDesktopServices>
  37 #include <QUrl>
  38 #include <Windows.h>
  39
  40 ////////////////////////////////////////////////////////////
  41 // Constructor
  42 ////////////////////////////////////////////////////////////
  43
  44 ProcessingDialog::ProcessingDialog(FileListModel *fileListModel)
  45 {
  46         //Init the dialog, from the .ui file
  47         setupUi(this);
  48         setWindowFlags(windowFlags() ^ Qt::WindowContextHelpButtonHint);
  49
  50         //Setup version info
  51         label_versionInfo->setText(QString().sprintf("v%d.%02d %s (Build %d)", lamexp_version_major(), lamexp_version_minor(), lamexp_version_release(), lamexp_version_build()));
  52         label_versionInfo->installEventFilter(this);
  53
  54         //Register meta type
  55         qRegisterMetaType<QUuid>("QUuid");
  56
  57         //Center window in screen
  58         QRect desktopRect = QApplication::desktop()->screenGeometry();
  59         QRect thisRect = this->geometry();
  60         move((desktopRect.width() - thisRect.width()) / 2, (desktopRect.height() - thisRect.height()) / 2);
  61         setMinimumSize(thisRect.width(), thisRect.height());
  62
  63         //Enable buttons
  64         connect(button_AbortProcess, SIGNAL(clicked()), this, SLOT(abortEncoding()));
  65
  66         //Init progress indicator
  67         m_progressIndicator = new QMovie(":/images/Working.gif");
  68         label_headerWorking->setMovie(m_progressIndicator);
  69         progressBar->setValue(0);
  70
  71         //Init progress model
  72         m_progressModel = new ProgressModel();
  73         view_log->setModel(m_progressModel);
  74         view_log->verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
  75         view_log->verticalHeader()->hide();
  76         view_log->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
  77         view_log->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
  78
  79         //Enque jobs
  80         if(fileListModel)
  81         {
  82                 for(int i = 0; i < fileListModel->rowCount(); i++)
  83                 {
  84                         m_pendingJobs.append(fileListModel->getFile(fileListModel->index(i,0)));
  85                 }
  86         }
  87
  88         //Init other vars
  89         m_runningThreads = 0;
  90         m_userAborted = false;
  91 }
  92
  93 ////////////////////////////////////////////////////////////
  94 // Destructor
  95 ////////////////////////////////////////////////////////////
  96
  97 ProcessingDialog::~ProcessingDialog(void)
  98 {
  99         view_log->setModel(NULL);
 100         if(m_progressIndicator) m_progressIndicator->stop();
 101         LAMEXP_DELETE(m_progressIndicator);
 102         LAMEXP_DELETE(m_progressModel);
 103
 104         while(!m_threadList.isEmpty())
 105         {
 106                 delete m_threadList.takeFirst();
 107         }
 108 }
 109
 110 ////////////////////////////////////////////////////////////
 111 // EVENTS
 112 ////////////////////////////////////////////////////////////
 113
 114 void ProcessingDialog::showEvent(QShowEvent *event)
 115 {
 116         setCloseButtonEnabled(false);
 117         button_closeDialog->setEnabled(false);
 118         button_AbortProcess->setEnabled(false);
 119
 120         QTimer::singleShot(1000, this, SLOT(initEncoding()));
 121 }
 122
 123 void ProcessingDialog::closeEvent(QCloseEvent *event)
 124 {
 125         if(!button_closeDialog->isEnabled()) event->ignore();
 126 }
 127
 128 bool ProcessingDialog::eventFilter(QObject *obj, QEvent *event)
 129 {
 130         static QColor defaultColor = QColor();
 131
 132         if(obj == label_versionInfo)
 133         {
 134                 if(event->type() == QEvent::Enter)
 135                 {
 136                         QPalette palette = label_versionInfo->palette();
 137                         defaultColor = palette.color(QPalette::Normal, QPalette::WindowText);
 138                         palette.setColor(QPalette::Normal, QPalette::WindowText, Qt::red);
 139                         label_versionInfo->setPalette(palette);
 140                 }
 141                 else if(event->type() == QEvent::Leave)
 142                 {
 143                         QPalette palette = label_versionInfo->palette();
 144                         palette.setColor(QPalette::Normal, QPalette::WindowText, defaultColor);
 145                         label_versionInfo->setPalette(palette);
 146                 }
 147                 else if(event->type() == QEvent::MouseButtonPress)
 148                 {
 149                         QUrl url("http://mulder.dummwiedeutsch.de/");
 150                         QDesktopServices::openUrl(url);
 151                 }
 152         }
 153
 154         return false;
 155 }
 156
 157 ////////////////////////////////////////////////////////////
 158 // SLOTS
 159 ////////////////////////////////////////////////////////////
 160
 161 void ProcessingDialog::initEncoding(void)
 162 {
 163         m_runningThreads = 0;
 164         m_userAborted = false;
 165
 166         label_progress->setText("Encoding files, please wait...");
 167         m_progressIndicator->start();
 168
 169         button_closeDialog->setEnabled(false);
 170         button_AbortProcess->setEnabled(true);
 171         progressBar->setRange(0, m_pendingJobs.count());
 172
 173         startNextJob();
 174         startNextJob();
 175 }
 176
 177 void ProcessingDialog::abortEncoding(void)
 178 {
 179         m_userAborted = true;
 180         button_AbortProcess->setEnabled(false);
 181
 182         for(int i = 0; i < m_threadList.count(); i++)
 183         {
 184                 m_threadList.at(i)->abort();
 185         }
 186 }
 187
 188 void ProcessingDialog::doneEncoding(void)
 189 {
 190         m_runningThreads--;
 191
 192         progressBar->setValue(progressBar->value() + 1);
 193         label_progress->setText(QString("%1 files out of %2 completed, please wait...").arg(QString::number(progressBar->value()), QString::number(progressBar->maximum())));
 194
 195         if(!m_pendingJobs.isEmpty() && !m_userAborted)
 196         {
 197                 startNextJob();
 198                 qDebug("Running jobs: %u", m_runningThreads);
 199                 return;
 200         }
 201
 202         if(m_runningThreads > 0)
 203         {
 204                 qDebug("Running jobs: %u", m_runningThreads);
 205                 return;
 206         }
 207
 208         qDebug("Running jobs: %u", m_runningThreads);
 209
 210         label_progress->setText(m_userAborted ? "Process aborted by user." : "Alle files completed.");
 211         m_progressIndicator->stop();
 212
 213         setCloseButtonEnabled(true);
 214         button_closeDialog->setEnabled(true);
 215         button_AbortProcess->setEnabled(false);
 216
 217         progressBar->setValue(100);
 218 }
 219
 220 ////////////////////////////////////////////////////////////
 221 // Private Functions
 222 ////////////////////////////////////////////////////////////
 223
 224 void ProcessingDialog::startNextJob(void)
 225 {
 226         if(m_pendingJobs.isEmpty())
 227         {
 228                 return;
 229         }
 230
 231         ProcessThread *thread = new ProcessThread(m_pendingJobs.takeFirst());
 232         m_threadList.append(thread);
 233         connect(thread, SIGNAL(finished()), this, SLOT(doneEncoding()), Qt::QueuedConnection);
 234         connect(thread, SIGNAL(processStateInitialized(QUuid,QString,QString,int)), m_progressModel, SLOT(addJob(QUuid,QString,QString,int)), Qt::QueuedConnection);
 235         connect(thread, SIGNAL(processStateChanged(QUuid,QString,int)), m_progressModel, SLOT(updateJob(QUuid,QString,int)), Qt::QueuedConnection);
 236         m_runningThreads++;
 237         thread->start();
 238 }
 239
 240 void ProcessingDialog::setCloseButtonEnabled(bool enabled)
 241 {
 242         HMENU hMenu = GetSystemMenu((HWND) winId(), FALSE);
 243         EnableMenuItem(hMenu, SC_CLOSE, MF_BYCOMMAND | (enabled ? MF_ENABLED : MF_GRAYED));
 244 }