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     layout->addWidget(descriptionLabel);
  49
  50     progressBar = new QProgressBar(this);
  51     progressBar->setAutoFillBackground(false);
  52     progressBar->setBackgroundRole(QPalette::Window);
  53     progressBar->setPalette(p);
  54     // progressBar->hide();
  55     progressBar->setStyleSheet("QProgressBar {max-height:3px; background:black; border:0} QProgressBar::chunk {background:white}");
  56     progressBar->setTextVisible(false);
  57     layout->addWidget(progressBar);
  58
  59     setMouseTracking(true);
  60 }
  61
  62 void LoadingWidget::setVideo(Video *video) {
  63
  64     QFont titleFont;
  65     titleFont.setStyleName("Light");
  66 #ifdef APP_MAC
  67     titleFont.setFamily("Helvetica Neue");
  68 #endif
  69 #ifdef APP_WIN
  70     titleFont.setFamily("Segoe UI Light");
  71 #endif
  72     int smallerDimension = qMin(height(), width());
  73     titleFont.setPixelSize(smallerDimension / 12);
  74     titleFont.setHintingPreference(QFont::PreferNoHinting);
  75     QFontMetrics fm(titleFont);
  76     int textHeightInPixels = fm.height();
  77     int spacing = textHeightInPixels / 2;
  78     layout()->setSpacing(spacing);
  79     layout()->setMargin(spacing);
  80
  81     QString title = video->title();
  82     // enhance legibility by splitting the title
  83     title = title.replace(" - ", "<p>");
  84     title = title.replace("] ", "]<p>");
  85     title = title.replace(" [", "<p>[");
  86     titleLabel->setText(title);
  87     titleLabel->setVisible(window()->height() > 100);
  88     titleLabel->setFont(titleFont);
  89
  90     static const int maxDescLength = 256;
  91     QString videoDesc = video->description();
  92     if (videoDesc.length() > maxDescLength) {
  93         videoDesc.truncate(maxDescLength-1);
  94         videoDesc.append("...");
  95     }
  96     QFont descFont(titleFont);
  97     descFont.setPixelSize(descFont.pixelSize() / 2);
  98     descFont.setHintingPreference(QFont::PreferNoHinting);
  99     descriptionLabel->setFont(descFont);
 100     descriptionLabel->setText(videoDesc);
 101     bool hiddenDesc = height() < 400;
 102     if (hiddenDesc)
 103         titleLabel->setAlignment(Qt::AlignCenter);
 104     else
 105         titleLabel->setAlignment(Qt::AlignHCenter | Qt::AlignBottom);
 106     descriptionLabel->setVisible(!hiddenDesc);
 107
 108     // progressBar->hide();
 109     progressBar->setValue(0);
 110     startTime.start();
 111 }
 112
 113 void LoadingWidget::setError(QString message) {
 114     titleLabel->setText(tr("Error"));
 115     descriptionLabel->setText(message);
 116     // progressBar->hide();
 117     progressBar->setValue(0);
 118 }
 119
 120 void LoadingWidget::bufferStatus(int percent) {
 121     // qDebug() << percent;
 122
 123     /*
 124     if (progressBar->isHidden() && percent > 0) {
 125         progressBar->show();
 126         QPropertyAnimation *animation = new QPropertyAnimation(progressBar, "opacity");
 127         animation->setDuration(1000);
 128         animation->setStartValue(0.0);
 129         animation->setEndValue(1.0);
 130         animation->start();
 131     }*/
 132     // progressBar->setShown(percent > 0);
 133     if (startTime.elapsed() < 1000) return;
 134     if (progressBar->value() == 0 && percent > 80) return;
 135     progressBar->setValue(percent);
 136 }
 137
 138 void LoadingWidget::clear() {
 139     titleLabel->clear();
 140     descriptionLabel->clear();
 141     // progressBar->hide();
 142     progressBar->setValue(0);
 143 }