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