git.sur5r.net Git - minitube/blob - src/loadingwidget.cpp

   1 #include "loadingwidget.h"
   2
   3 LoadingWidget::LoadingWidget(QWidget *parent) : QWidget(parent) {
   4
   5     QPalette p = palette();
   6     p.setBrush(backgroundRole(), Qt::black);
   7     p.setBrush(QPalette::Text, Qt::white);
   8     setPalette(p);
   9
  10     setAutoFillBackground(true);
  11
  12     QBoxLayout *layout = new QVBoxLayout();
  13
  14     titleLabel = new QLabel(this);
  15     titleLabel->setAlignment(Qt::AlignHCenter | Qt::AlignBottom);
  16     titleLabel->setPalette(p);
  17     titleLabel->setForegroundRole(QPalette::Text);
  18     titleLabel->setWordWrap(true);
  19     titleLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
  20     layout->addWidget(titleLabel);
  21
  22     QFont biggerFont;
  23     biggerFont.setPointSize(biggerFont.pointSize()*2);
  24
  25     descriptionLabel = new QLabel(this);
  26     descriptionLabel->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
  27     descriptionLabel->setPalette(p);
  28     descriptionLabel->setForegroundRole(QPalette::Text);
  29     descriptionLabel->setWordWrap(true);
  30     descriptionLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
  31     layout->addWidget(descriptionLabel);
  32
  33     progressBar = new QProgressBar(this);
  34     progressBar->setAutoFillBackground(false);
  35     progressBar->setBackgroundRole(QPalette::Window);
  36     progressBar->setPalette(p);
  37     // progressBar->hide();
  38     progressBar->setStyleSheet("QProgressBar {max-height:3px; background:black; border:0} QProgressBar::chunk {background:white}");
  39     progressBar->setTextVisible(false);
  40     layout->addWidget(progressBar);
  41
  42     setMouseTracking(true);
  43
  44     setLayout(layout);
  45 }
  46
  47 void LoadingWidget::setVideo(Video *video) {
  48
  49     QFont titleFont;
  50     int smallerDimension = qMin(height(), width());
  51     titleFont.setPixelSize(smallerDimension / 12);
  52     QFontMetrics fm(titleFont);
  53     int textHeightInPixels = fm.height();
  54     int spacing = textHeightInPixels / 2;
  55     layout()->setSpacing(spacing);
  56     layout()->setMargin(spacing);
  57
  58     QString title = video->title();
  59     // enhance legibility by splitting the title
  60     title = title.replace(" - ", "<p>");
  61     title = title.replace("] ", "]<p>");
  62     title = title.replace(" [", "<p>[");
  63     titleLabel->setText(title);
  64     titleLabel->setVisible(window()->height() > 100);
  65     titleLabel->setFont(titleFont);
  66
  67     static const int maxVideoLength = 256;
  68     QString videoDesc = video->description();
  69     if (videoDesc.length() > maxVideoLength) {
  70         videoDesc.truncate(maxVideoLength-1);
  71         videoDesc.append("...");
  72     }
  73     QFont descFont(titleFont);
  74     descFont.setPixelSize(descFont.pixelSize() / 2);
  75     descriptionLabel->setFont(descFont);
  76     descriptionLabel->setText(videoDesc);
  77     bool hiddenDesc = height() < 400;
  78     if (hiddenDesc)
  79         titleLabel->setAlignment(Qt::AlignCenter);
  80     else
  81         titleLabel->setAlignment(Qt::AlignHCenter | Qt::AlignBottom);
  82     descriptionLabel->setVisible(!hiddenDesc);
  83
  84     // progressBar->hide();
  85     progressBar->setValue(0);
  86     startTime.start();
  87 }
  88
  89 void LoadingWidget::setError(QString message) {
  90     titleLabel->setText(tr("Error"));
  91     descriptionLabel->setText(message);
  92     // progressBar->hide();
  93     progressBar->setValue(0);
  94 }
  95
  96 void LoadingWidget::bufferStatus(int percent) {
  97     // qDebug() << percent;
  98
  99     /*
 100     if (progressBar->isHidden() && percent > 0) {
 101         progressBar->show();
 102         QPropertyAnimation *animation = new QPropertyAnimation(progressBar, "opacity");
 103         animation->setDuration(1000);
 104         animation->setStartValue(0.0);
 105         animation->setEndValue(1.0);
 106         animation->start();
 107     }*/
 108     // progressBar->setShown(percent > 0);
 109     if (startTime.elapsed() < 1000) return;
 110     if (progressBar->value() == 0 && percent > 80) return;
 111     progressBar->setValue(percent);
 112 }
 113
 114 void LoadingWidget::clear() {
 115     titleLabel->clear();
 116     descriptionLabel->clear();
 117     // progressBar->hide();
 118     progressBar->setValue(0);
 119 }