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

   1 /* $BEGIN_LICENSE
   2
   3 This file is part of Minitube.
   4 Copyright 2009, Flavio Tordini <flavio.tordini@gmail.com>
   5
   6 Minitube is free software: you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation, either version 3 of the License, or
   9 (at your option) any later version.
  10
  11 Minitube 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
  17 along with Minitube.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 $END_LICENSE */
  20
  21 #include "loadingwidget.h"
  22
  23 LoadingWidget::LoadingWidget(QWidget *parent) : QWidget(parent) {
  24
  25     QPalette p = palette();
  26     p.setBrush(backgroundRole(), Qt::black);
  27     p.setBrush(QPalette::Text, Qt::white);
  28     setPalette(p);
  29
  30     setAutoFillBackground(true);
  31
  32     QBoxLayout *layout = new QVBoxLayout(this);
  33
  34     titleLabel = new QLabel(this);
  35     titleLabel->setAlignment(Qt::AlignHCenter | Qt::AlignBottom);
  36     titleLabel->setPalette(p);
  37     titleLabel->setForegroundRole(QPalette::Text);
  38     titleLabel->setWordWrap(true);
  39     titleLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
  40     layout->addWidget(titleLabel);
  41
  42     descriptionLabel = new QLabel(this);
  43     descriptionLabel->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
  44     descriptionLabel->setPalette(p);
  45     descriptionLabel->setForegroundRole(QPalette::Text);
  46     descriptionLabel->setWordWrap(true);
  47     descriptionLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Expanding);
  48     descriptionLabel->setTextFormat(Qt::RichText);
  49     descriptionLabel->setOpenExternalLinks(true);
  50     layout->addWidget(descriptionLabel);
  51
  52     progressBar = new QProgressBar(this);
  53     progressBar->setAutoFillBackground(false);
  54     progressBar->setBackgroundRole(QPalette::Window);
  55     progressBar->setPalette(p);
  56     // progressBar->hide();
  57     progressBar->setStyleSheet("QProgressBar {max-height:3px; background:black; border:0} QProgressBar::chunk {background:white}");
  58     progressBar->setTextVisible(false);
  59     layout->addWidget(progressBar);
  60
  61     setMouseTracking(true);
  62 }
  63
  64 void LoadingWidget::setVideo(Video *video) {
  65
  66     QFont titleFont;
  67 #ifdef APP_MAC
  68     titleFont.setFamily("Helvetica Neue");
  69     titleFont.setStyleName("Thin");
  70 #elif APP_WIN
  71     titleFont.setFamily("Segoe UI Light");
  72     titleFont.setStyleName("Light");
  73 #else
  74     titleFont.setStyleName("Light");
  75 #endif
  76     int smallerDimension = qMin(height(), width());
  77     titleFont.setPixelSize(smallerDimension / 12);
  78     QFontMetrics fm(titleFont);
  79     int textHeightInPixels = fm.height();
  80     int spacing = textHeightInPixels / 2;
  81     layout()->setSpacing(spacing);
  82     layout()->setMargin(spacing);
  83
  84     QString title = video->title();
  85     // enhance legibility by splitting the title
  86     title.replace(QLatin1String(" - "), QLatin1String("<p>"));
  87     title.replace(QLatin1String(" | "), QLatin1String("<p>"));
  88     title.replace(QLatin1String(" — "), QLatin1String("<p>"));
  89     title.replace(QLatin1String("] "), QLatin1String("]<p>"));
  90     title.replace(QLatin1String(" ["), QLatin1String("<p>["));
  91     title.replace(QLatin1String(" ("), QLatin1String("<p>("));
  92     title.replace(QLatin1String(") "), QLatin1String(")<p>"));
  93     titleLabel->setText(title);
  94     titleLabel->setVisible(window()->height() > 100);
  95     titleLabel->setFont(titleFont);
  96
  97     static const int maxDescLength = 256;
  98     QString videoDesc = video->description();
  99     if (videoDesc.length() > maxDescLength) {
 100         videoDesc.truncate(maxDescLength-1);
 101         videoDesc = videoDesc.trimmed();
 102         videoDesc.append("…");
 103     } else if (videoDesc.endsWith(QLatin1String(" ..."))) {
 104         videoDesc = videoDesc.left(videoDesc.length() - 4);
 105         videoDesc.append("…");
 106     }
 107     videoDesc.replace(QRegExp("(https?://\\S+)"), "<a style='color:white' href=\"\\1\">\\1</a>");
 108     QFont descFont(titleFont);
 109     descFont.setPixelSize(descFont.pixelSize() / 2);
 110     descriptionLabel->setFont(descFont);
 111     descriptionLabel->setText(videoDesc);
 112     bool hiddenDesc = height() < 400;
 113     if (hiddenDesc)
 114         titleLabel->setAlignment(Qt::AlignCenter);
 115     else
 116         titleLabel->setAlignment(Qt::AlignHCenter | Qt::AlignBottom);
 117     descriptionLabel->setVisible(!hiddenDesc);
 118
 119     // progressBar->hide();
 120     progressBar->setValue(0);
 121     startTime.start();
 122 }
 123
 124 void LoadingWidget::setError(const QString &message) {
 125     titleLabel->setText(tr("Error"));
 126     descriptionLabel->setText(message);
 127     // progressBar->hide();
 128     progressBar->setValue(0);
 129 }
 130
 131 void LoadingWidget::bufferStatus(int percent) {
 132     // qDebug() << percent;
 133
 134     /*
 135     if (progressBar->isHidden() && percent > 0) {
 136         progressBar->show();
 137         QPropertyAnimation *animation = new QPropertyAnimation(progressBar, "opacity");
 138         animation->setDuration(1000);
 139         animation->setStartValue(0.0);
 140         animation->setEndValue(1.0);
 141         animation->start();
 142     }*/
 143     // progressBar->setShown(percent > 0);
 144     if (startTime.elapsed() < 1000) return;
 145     if (progressBar->value() == 0 && percent > 80) return;
 146     progressBar->setValue(percent);
 147 }
 148
 149 void LoadingWidget::clear() {
 150     titleLabel->clear();
 151     descriptionLabel->clear();
 152     // progressBar->hide();
 153     progressBar->setValue(0);
 154 }