git.sur5r.net Git - minitube/blob - src/playlistitemdelegate.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 "playlistitemdelegate.h"
  22 #include "datautils.h"
  23 #include "downloaditem.h"
  24 #include "fontutils.h"
  25 #include "iconutils.h"
  26 #include "playlistmodel.h"
  27 #include "playlistview.h"
  28 #include "video.h"
  29 #include "videodefinition.h"
  30
  31 const int PlaylistItemDelegate::thumbHeight = 90;
  32 const int PlaylistItemDelegate::thumbWidth = 160;
  33 const int PlaylistItemDelegate::padding = 8;
  34
  35 namespace {
  36
  37 bool drawElidedText(QPainter *painter, const QRect &textBox, const int flags, const QString &text) {
  38     QString elidedText =
  39             painter->fontMetrics().elidedText(text, Qt::ElideRight, textBox.width(), flags);
  40     painter->drawText(textBox, 0, elidedText);
  41     return elidedText.length() < text.length();
  42 }
  43 } // namespace
  44
  45 PlaylistItemDelegate::PlaylistItemDelegate(QObject *parent, bool downloadInfo)
  46     : QStyledItemDelegate(parent), downloadInfo(downloadInfo), progressBar(nullptr) {
  47     listView = qobject_cast<PlaylistView *>(parent);
  48
  49     smallerBoldFont = FontUtils::smallBold();
  50     smallerFont = FontUtils::small();
  51
  52     if (downloadInfo) {
  53         progressBar = new QProgressBar(qApp->activeWindow());
  54         QPalette palette = progressBar->palette();
  55         palette.setColor(QPalette::Window, Qt::transparent);
  56         progressBar->setPalette(palette);
  57         progressBar->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
  58         progressBar->hide();
  59     } else
  60         createPlayIcon();
  61 }
  62
  63 PlaylistItemDelegate::~PlaylistItemDelegate() {
  64     if (progressBar) delete progressBar;
  65 }
  66
  67 void PlaylistItemDelegate::createPlayIcon() {
  68     qreal maxRatio = 2.0;
  69     playIcon = QPixmap(thumbWidth * maxRatio, thumbHeight * maxRatio);
  70     playIcon.setDevicePixelRatio(maxRatio);
  71     playIcon.fill(Qt::transparent);
  72
  73     QPixmap tempPixmap(thumbWidth * maxRatio, thumbHeight * maxRatio);
  74     tempPixmap.setDevicePixelRatio(maxRatio);
  75     tempPixmap.fill(Qt::transparent);
  76     QPainter painter(&tempPixmap);
  77     painter.setRenderHints(QPainter::Antialiasing, true);
  78
  79     const int hPadding = padding * 6;
  80     const int vPadding = padding * 2;
  81
  82     QPolygon polygon;
  83     polygon << QPoint(hPadding, vPadding) << QPoint(thumbWidth - hPadding, thumbHeight / 2)
  84             << QPoint(hPadding, thumbHeight - vPadding);
  85     painter.setBrush(Qt::white);
  86     QPen pen;
  87     pen.setColor(Qt::white);
  88     pen.setWidth(padding);
  89     pen.setJoinStyle(Qt::RoundJoin);
  90     pen.setCapStyle(Qt::RoundCap);
  91     painter.setPen(pen);
  92     painter.drawPolygon(polygon);
  93     painter.end();
  94
  95     QPainter painter2(&playIcon);
  96     painter2.setOpacity(.75);
  97     painter2.drawPixmap(0, 0, tempPixmap);
  98 }
  99
 100 QSize PlaylistItemDelegate::sizeHint(const QStyleOptionViewItem & /*option*/,
 101                                      const QModelIndex & /*index*/) const {
 102     return QSize(thumbWidth, thumbHeight);
 103 }
 104
 105 void PlaylistItemDelegate::paint(QPainter *painter,
 106                                  const QStyleOptionViewItem &option,
 107                                  const QModelIndex &index) const {
 108     int itemType = index.data(ItemTypeRole).toInt();
 109     if (itemType == ItemTypeVideo)
 110         paintBody(painter, option, index);
 111     else
 112         QStyledItemDelegate::paint(painter, option, index);
 113 }
 114
 115 void PlaylistItemDelegate::paintBody(QPainter *painter,
 116                                      const QStyleOptionViewItem &option,
 117                                      const QModelIndex &index) const {
 118     const bool isSelected = option.state & QStyle::State_Selected;
 119     if (isSelected)
 120         QApplication::style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter);
 121
 122     painter->save();
 123     painter->translate(option.rect.topLeft());
 124
 125     QRect line(0, 0, option.rect.width(), option.rect.height());
 126     if (downloadInfo) line.setWidth(line.width() / 2);
 127
 128     const bool isActive = index.data(ActiveTrackRole).toBool();
 129
 130     // get the video metadata
 131     const Video *video = index.data(VideoRole).value<VideoPointer>().data();
 132
 133     // draw the "current track" highlight underneath the text
 134     if (isActive && !isSelected) paintActiveOverlay(painter, option, line);
 135
 136     // thumb
 137     const QPixmap &thumb = video->getThumbnail();
 138     if (!thumb.isNull()) {
 139         painter->drawPixmap(0, 0, thumb);
 140         if (video->getDuration() > 0) drawTime(painter, video->getFormattedDuration(), line);
 141     }
 142
 143     const bool thumbsOnly = line.width() <= thumbWidth + 60;
 144     const bool isHovered = index.data(HoveredItemRole).toBool();
 145
 146     // play icon overlayed on the thumb
 147     bool needPlayIcon = isActive;
 148     if (thumbsOnly) needPlayIcon = needPlayIcon && !isHovered;
 149     if (needPlayIcon) painter->drawPixmap(0, 0, playIcon);
 150
 151     if (!thumbsOnly) {
 152         // text color
 153         if (isSelected)
 154             painter->setPen(QPen(option.palette.highlightedText(), 0));
 155         else
 156             painter->setPen(QPen(option.palette.text(), 0));
 157
 158         // title
 159         QStringRef title(&video->getTitle());
 160         QString elidedTitle = video->getTitle();
 161         static const int titleFlags = Qt::AlignTop | Qt::TextWordWrap;
 162         QRect textBox = line.adjusted(padding + thumbWidth, padding, -padding, 0);
 163         textBox = painter->boundingRect(textBox, titleFlags, elidedTitle);
 164         while (textBox.height() > 55 && elidedTitle.length() > 10) {
 165 #if QT_VERSION < QT_VERSION_CHECK(5, 6, 0)
 166             title = title.left(title.length() - 1);
 167 #elif QT_VERSION < QT_VERSION_CHECK(5, 8, 0)
 168             title.truncate(title.length() - 1);
 169 #else
 170             title.chop(1);
 171 #endif
 172             elidedTitle = title.trimmed() + QStringLiteral("…");
 173             textBox = painter->boundingRect(textBox, titleFlags, elidedTitle);
 174         }
 175         painter->drawText(textBox, titleFlags, elidedTitle);
 176
 177         painter->setFont(smallerFont);
 178         painter->setOpacity(.5);
 179         QFontMetrics fontMetrics = painter->fontMetrics();
 180         static const int flags = Qt::AlignLeft | Qt::AlignTop;
 181
 182         // published date
 183         const QString &published = video->getFormattedPublished();
 184         QSize textSize(fontMetrics.size(Qt::TextSingleLine, published));
 185         QPoint textPoint(padding + thumbWidth, padding * 2 + textBox.height());
 186         textBox = QRect(textPoint, textSize);
 187         painter->drawText(textBox, flags, published);
 188
 189         bool elided = false;
 190
 191         // author
 192         if (!listView || listView->isClickableAuthors()) {
 193             bool authorHovered = isHovered && index.data(AuthorHoveredRole).toBool();
 194
 195             painter->save();
 196             painter->setFont(smallerBoldFont);
 197             if (!isSelected) {
 198                 if (authorHovered)
 199                     painter->setPen(QPen(option.palette.brush(QPalette::Highlight), 0));
 200             }
 201             const QString &author = video->getChannelTitle();
 202             textPoint.setX(textBox.right() + padding);
 203             textSize = QSize(painter->fontMetrics().size(Qt::TextSingleLine, author));
 204             textBox = QRect(textPoint, textSize);
 205             authorRects.insert(index.row(), textBox);
 206             if (textBox.right() > line.width() - padding) {
 207                 textBox.setRight(line.width());
 208                 elided = drawElidedText(painter, textBox, flags, author);
 209             } else {
 210                 painter->drawText(textBox, flags, author);
 211             }
 212             painter->restore();
 213         }
 214
 215         // view count
 216         if (video->getViewCount() > 0) {
 217             const QString &viewCount = video->getFormattedViewCount();
 218             textPoint.setX(textBox.right() + padding);
 219             textSize = QSize(fontMetrics.size(Qt::TextSingleLine, viewCount));
 220             if (elided || textPoint.x() + textSize.width() > line.width() - padding) {
 221                 textPoint.setX(thumbWidth + padding);
 222                 textPoint.setY(textPoint.y() + textSize.height() + padding);
 223             }
 224             textBox = QRect(textPoint, textSize);
 225             if (textBox.bottom() <= line.height()) {
 226                 painter->drawText(textBox, flags, viewCount);
 227             }
 228         }
 229
 230         if (downloadInfo) {
 231             const QString &def = VideoDefinition::forCode(video->getDefinitionCode()).getName();
 232             textPoint.setX(textBox.right() + padding);
 233             textSize = QSize(fontMetrics.size(Qt::TextSingleLine, def));
 234             textBox = QRect(textPoint, textSize);
 235             painter->drawText(textBox, flags, def);
 236         }
 237
 238     } else {
 239         // thumbs only
 240         if (isHovered) {
 241             painter->setFont(smallerFont);
 242             painter->setPen(Qt::white);
 243             QStringRef title(&video->getTitle());
 244             QString elidedTitle = video->getTitle();
 245             static const int titleFlags = Qt::AlignTop | Qt::TextWordWrap;
 246             QRect textBox(padding, padding, thumbWidth - padding * 2, thumbHeight - padding * 2);
 247             textBox = painter->boundingRect(textBox, titleFlags, elidedTitle);
 248             while (textBox.height() > 55 && elidedTitle.length() > 10) {
 249 #if QT_VERSION < QT_VERSION_CHECK(5, 6, 0)
 250                 title = title.left(title.length() - 1);
 251 #elif QT_VERSION < QT_VERSION_CHECK(5, 8, 0)
 252                 title.truncate(title.length() - 1);
 253 #else
 254                 title.chop(1);
 255 #endif
 256                 elidedTitle = title.trimmed() + QStringLiteral("…");
 257                 textBox = painter->boundingRect(textBox, titleFlags, elidedTitle);
 258             }
 259             painter->fillRect(QRect(0, 0, thumbWidth, textBox.height() + padding * 2),
 260                               QColor(0, 0, 0, 128));
 261             painter->drawText(textBox, titleFlags, elidedTitle);
 262         }
 263     }
 264
 265     painter->restore();
 266
 267     if (downloadInfo) paintDownloadInfo(painter, option, index);
 268 }
 269
 270 void PlaylistItemDelegate::paintActiveOverlay(QPainter *painter,
 271                                               const QStyleOptionViewItem &option,
 272                                               const QRect &line) const {
 273     painter->save();
 274     painter->setOpacity(.2);
 275     painter->fillRect(line, option.palette.highlight());
 276     painter->restore();
 277 }
 278
 279 void PlaylistItemDelegate::drawTime(QPainter *painter,
 280                                     const QString &time,
 281                                     const QRect &line) const {
 282     static const int timePadding = 4;
 283     QRect textBox = painter->boundingRect(line, Qt::AlignLeft | Qt::AlignTop, time);
 284     // add padding
 285     textBox.adjust(0, 0, timePadding, 0);
 286     // move to bottom right corner of the thumb
 287     textBox.translate(thumbWidth - textBox.width(), thumbHeight - textBox.height());
 288
 289     painter->save();
 290     painter->setPen(Qt::NoPen);
 291     painter->setBrush(Qt::black);
 292     painter->setOpacity(.5);
 293     painter->drawRect(textBox);
 294     painter->restore();
 295
 296     painter->save();
 297     painter->setPen(Qt::white);
 298     painter->drawText(textBox, Qt::AlignCenter, time);
 299     painter->restore();
 300 }
 301
 302 void PlaylistItemDelegate::paintDownloadInfo(QPainter *painter,
 303                                              const QStyleOptionViewItem &option,
 304                                              const QModelIndex &index) const {
 305     // get the video metadata
 306     const DownloadItemPointer downloadItemPointer =
 307             index.data(DownloadItemRole).value<DownloadItemPointer>();
 308     const DownloadItem *downloadItem = downloadItemPointer.data();
 309
 310     painter->save();
 311
 312     const QRect line(0, 0, option.rect.width() / 2, option.rect.height());
 313
 314     painter->translate(option.rect.topLeft());
 315     painter->translate(line.width(), 0);
 316
 317     QString message;
 318     DownloadItemStatus status = downloadItem->status();
 319
 320     if (status == Downloading) {
 321         QString downloaded = DownloadItem::formattedFilesize(downloadItem->bytesReceived());
 322         QString total = DownloadItem::formattedFilesize(downloadItem->bytesTotal());
 323         QString speed = DownloadItem::formattedSpeed(downloadItem->currentSpeed());
 324         QString eta = DownloadItem::formattedTime(downloadItem->remainingTime());
 325
 326         message = tr("%1 of %2 (%3) — %4").arg(downloaded, total, speed, eta);
 327     } else if (status == Starting) {
 328         message = tr("Preparing");
 329     } else if (status == Failed) {
 330         message = tr("Failed") + " — " + downloadItem->errorMessage();
 331     } else if (status == Finished) {
 332         message = tr("Completed");
 333     } else if (status == Idle) {
 334         message = tr("Stopped");
 335     }
 336
 337     // progressBar->setPalette(option.palette);
 338     if (status == Finished) {
 339         progressBar->setValue(100);
 340         progressBar->setEnabled(true);
 341     } else if (status == Downloading) {
 342         progressBar->setValue(downloadItem->currentPercent());
 343         progressBar->setEnabled(true);
 344     } else {
 345         progressBar->setValue(0);
 346         progressBar->setEnabled(false);
 347     }
 348
 349     int progressBarWidth = line.width() - padding * 4 - 16;
 350     progressBar->setMaximumWidth(progressBarWidth);
 351     progressBar->setMinimumWidth(progressBarWidth);
 352     painter->save();
 353     painter->translate(padding, padding);
 354     progressBar->render(painter);
 355     painter->restore();
 356
 357     bool downloadButtonHovered = false;
 358     bool downloadButtonPressed = false;
 359     const bool isHovered = index.data(HoveredItemRole).toBool();
 360     if (isHovered) {
 361         downloadButtonHovered = index.data(DownloadButtonHoveredRole).toBool();
 362         downloadButtonPressed = index.data(DownloadButtonPressedRole).toBool();
 363     }
 364     QIcon::Mode iconMode;
 365     if (downloadButtonPressed)
 366         iconMode = QIcon::Selected;
 367     else if (downloadButtonHovered)
 368         iconMode = QIcon::Active;
 369     else
 370         iconMode = QIcon::Normal;
 371
 372     if (status != Finished && status != Failed && status != Idle) {
 373         if (downloadButtonHovered) message = tr("Stop downloading");
 374         painter->save();
 375         QIcon closeIcon = IconUtils::icon("window-close");
 376         painter->drawPixmap(downloadButtonRect(line), closeIcon.pixmap(16, 16, iconMode));
 377         painter->restore();
 378     }
 379
 380     else if (status == Finished) {
 381         if (downloadButtonHovered)
 382 #ifdef APP_MAC
 383             message = tr("Show in %1").arg("Finder");
 384 #else
 385             message = tr("Open parent folder");
 386 #endif
 387         painter->save();
 388         QIcon searchIcon = IconUtils::icon("system-search");
 389         painter->drawPixmap(downloadButtonRect(line), searchIcon.pixmap(16, 16, iconMode));
 390         painter->restore();
 391     }
 392
 393     else if (status == Failed || status == Idle) {
 394         if (downloadButtonHovered) message = tr("Restart downloading");
 395         painter->save();
 396         QIcon searchIcon = IconUtils::icon("view-refresh");
 397         painter->drawPixmap(downloadButtonRect(line), searchIcon.pixmap(16, 16, iconMode));
 398         painter->restore();
 399     }
 400
 401     QRect textBox = line.adjusted(padding, padding * 2 + progressBar->sizeHint().height(),
 402                                   -2 * padding, -padding);
 403     textBox = painter->boundingRect(textBox, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap,
 404                                     message);
 405     painter->drawText(textBox, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, message);
 406
 407     painter->restore();
 408 }
 409
 410 QRect PlaylistItemDelegate::downloadButtonRect(const QRect &line) const {
 411     return QRect(line.width() - padding * 2 - 16,
 412                  padding + progressBar->sizeHint().height() / 2 - 8, 16, 16);
 413 }
 414
 415 QRect PlaylistItemDelegate::authorRect(const QModelIndex &index) const {
 416     return authorRects.value(index.row());
 417 }