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 "playlistmodel.h"
  23 #include "fontutils.h"
  24 #include "downloaditem.h"
  25 #include "iconutils.h"
  26 #include "videodefinition.h"
  27 #include "video.h"
  28 #include "datautils.h"
  29
  30 const int PlaylistItemDelegate::THUMB_HEIGHT = 90;
  31 const int PlaylistItemDelegate::THUMB_WIDTH = 160;
  32 const int PlaylistItemDelegate::PADDING = 10;
  33
  34 PlaylistItemDelegate::PlaylistItemDelegate(QObject* parent, bool downloadInfo)
  35     : QStyledItemDelegate(parent),
  36       downloadInfo(downloadInfo),
  37       progressBar(0) {
  38
  39     boldFont.setBold(true);
  40     smallerBoldFont = FontUtils::smallBold();
  41     smallerFont = FontUtils::small();
  42
  43     if (downloadInfo) {
  44         progressBar = new QProgressBar(qApp->activeWindow());
  45         QPalette palette = progressBar->palette();
  46         palette.setColor(QPalette::Window, Qt::transparent);
  47         progressBar->setPalette(palette);
  48         progressBar->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
  49         progressBar->hide();
  50     } else createPlayIcon();
  51 }
  52
  53 PlaylistItemDelegate::~PlaylistItemDelegate() {
  54     if (progressBar) delete progressBar;
  55 }
  56
  57 void PlaylistItemDelegate::createPlayIcon() {
  58     qreal maxRatio = IconUtils::maxSupportedPixelRatio();
  59     playIcon = QPixmap(THUMB_WIDTH * maxRatio, THUMB_HEIGHT * maxRatio);
  60     playIcon.setDevicePixelRatio(maxRatio);
  61     playIcon.fill(Qt::transparent);
  62
  63     QPixmap tempPixmap(THUMB_WIDTH * maxRatio, THUMB_HEIGHT * maxRatio);
  64     tempPixmap.setDevicePixelRatio(maxRatio);
  65     tempPixmap.fill(Qt::transparent);
  66     QPainter painter(&tempPixmap);
  67     painter.setRenderHints(QPainter::Antialiasing, true);
  68
  69     const int hPadding = PADDING*6;
  70     const int vPadding = PADDING*2;
  71
  72     QPolygon polygon;
  73     polygon << QPoint(hPadding, vPadding)
  74             << QPoint(THUMB_WIDTH-hPadding, THUMB_HEIGHT/2)
  75             << QPoint(hPadding, THUMB_HEIGHT-vPadding);
  76     painter.setBrush(Qt::white);
  77     QPen pen;
  78     pen.setColor(Qt::white);
  79     pen.setWidth(PADDING);
  80     pen.setJoinStyle(Qt::RoundJoin);
  81     pen.setCapStyle(Qt::RoundCap);
  82     painter.setPen(pen);
  83     painter.drawPolygon(polygon);
  84     painter.end();
  85
  86     QPainter painter2(&playIcon);
  87     painter2.setOpacity(.75);
  88     painter2.drawPixmap(0, 0, tempPixmap);
  89 }
  90
  91 QSize PlaylistItemDelegate::sizeHint( const QStyleOptionViewItem& /*option*/, const QModelIndex& /*index*/ ) const {
  92     return QSize(THUMB_WIDTH, THUMB_HEIGHT + 1);
  93 }
  94
  95 void PlaylistItemDelegate::paint( QPainter* painter,
  96                                   const QStyleOptionViewItem& option, const QModelIndex& index ) const {
  97
  98     int itemType = index.data(ItemTypeRole).toInt();
  99     if (itemType == ItemTypeVideo) {
 100         QStyleOptionViewItemV4 opt = QStyleOptionViewItemV4(option);
 101         initStyleOption(&opt, index);
 102         opt.text = "";
 103         opt.widget->style()->drawControl(QStyle::CE_ItemViewItem, &opt, painter, opt.widget);
 104         paintBody(painter, opt, index);
 105     } else
 106         QStyledItemDelegate::paint( painter, option, index );
 107
 108 }
 109
 110 void PlaylistItemDelegate::paintBody( QPainter* painter,
 111                                       const QStyleOptionViewItem& option,
 112                                       const QModelIndex& index ) const {
 113     painter->save();
 114     painter->translate( option.rect.topLeft() );
 115
 116     QRect line(0, 0, option.rect.width(), option.rect.height());
 117     if (downloadInfo) line.setWidth(line.width() / 2);
 118
 119     const bool isActive = index.data( ActiveTrackRole ).toBool();
 120     const bool isSelected = option.state & QStyle::State_Selected;
 121
 122     // get the video metadata
 123     const Video *video = index.data(VideoRole).value<VideoPointer>().data();
 124
 125     // draw the "current track" highlight underneath the text
 126     if (isActive && !isSelected)
 127         paintActiveOverlay(painter, option, line);
 128
 129     // separator
 130     painter->setPen(option.palette.color(QPalette::Midlight));
 131     painter->drawLine(THUMB_WIDTH, THUMB_HEIGHT, option.rect.width(), THUMB_HEIGHT);
 132     if (!video->thumbnail().isNull())
 133         painter->setPen(Qt::black);
 134     painter->drawLine(0, THUMB_HEIGHT, THUMB_WIDTH-1, THUMB_HEIGHT);
 135
 136     // thumb
 137     painter->drawPixmap(0, 0, video->thumbnail());
 138
 139     // play icon overlayed on the thumb
 140     if (isActive)
 141         painter->drawPixmap(0, 0, playIcon);
 142
 143     // time
 144     if (video->duration() > 0)
 145         drawTime(painter, video->formattedDuration(), line);
 146
 147     if (line.width() > THUMB_WIDTH + 60) {
 148
 149         // if (isActive) painter->setFont(boldFont);
 150
 151         // text color
 152         if (isSelected)
 153             painter->setPen(QPen(option.palette.highlightedText(), 0));
 154         else
 155             painter->setPen(QPen(option.palette.text(), 0));
 156
 157         // title
 158         QString videoTitle = video->title();
 159         QString v = videoTitle;
 160         const int flags = Qt::AlignTop | Qt::TextWordWrap;
 161         QRect textBox = line.adjusted(PADDING+THUMB_WIDTH, PADDING, 0, 0);
 162         textBox = painter->boundingRect(textBox, flags, v);
 163         while (textBox.height() > 55 && v.length() > 10) {
 164             videoTitle.truncate(videoTitle.length() - 1);
 165             v = videoTitle;
 166             v = v.trimmed().append("...");
 167             textBox = painter->boundingRect(textBox, flags, v);
 168         }
 169         painter->drawText(textBox, flags, v);
 170
 171         painter->setFont(smallerFont);
 172
 173         // published date
 174         QString publishedString = DataUtils::formatDateTime(video->published());
 175         QSize stringSize(QFontMetrics(painter->font()).size( Qt::TextSingleLine, publishedString ) );
 176         QPoint textLoc(PADDING+THUMB_WIDTH, PADDING*2 + textBox.height());
 177         QRect publishedTextBox(textLoc , stringSize);
 178         painter->drawText(publishedTextBox, Qt::AlignLeft | Qt::AlignTop, publishedString);
 179
 180         // author
 181         bool authorHovered = false;
 182         bool authorPressed = false;
 183         const bool isHovered = index.data(HoveredItemRole).toBool();
 184         if (isHovered) {
 185             authorHovered = index.data(AuthorHoveredRole).toBool();
 186             authorPressed = index.data(AuthorPressedRole).toBool();
 187         }
 188
 189         painter->save();
 190         painter->setFont(smallerBoldFont);
 191         if (!isSelected) {
 192             if (authorHovered)
 193                 painter->setPen(QPen(option.palette.brush(QPalette::Highlight), 0));
 194             else
 195                 painter->setOpacity(.5);
 196         }
 197         const QString &authorString = video->channelTitle();
 198         textLoc.setX(textLoc.x() + stringSize.width() + PADDING);
 199         stringSize = QSize(QFontMetrics(painter->font()).size( Qt::TextSingleLine, authorString ) );
 200         QRect authorTextBox(textLoc , stringSize);
 201         authorRects.insert(index.row(), authorTextBox);
 202         painter->drawText(authorTextBox, Qt::AlignLeft | Qt::AlignTop, authorString);
 203         painter->restore();
 204
 205         // view count
 206         if (video->viewCount() >= 0) {
 207             QLocale locale;
 208             QString viewCountString = tr("%1 views").arg(locale.toString(video->viewCount()));
 209             textLoc.setX(textLoc.x() + stringSize.width() + PADDING);
 210             stringSize = QSize(QFontMetrics(painter->font()).size( Qt::TextSingleLine, viewCountString ) );
 211             QRect viewCountTextBox(textLoc , stringSize);
 212             painter->drawText(viewCountTextBox, Qt::AlignLeft | Qt::AlignBottom, viewCountString);
 213         }
 214
 215         if (downloadInfo) {
 216             const QString definitionString = VideoDefinition::getDefinitionFor(video->getDefinitionCode()).getName();
 217             textLoc.setX(textLoc.x() + stringSize.width() + PADDING);
 218             stringSize = QSize(QFontMetrics(painter->font()).size( Qt::TextSingleLine, definitionString ) );
 219             QRect viewCountTextBox(textLoc , stringSize);
 220             painter->drawText(viewCountTextBox, Qt::AlignLeft | Qt::AlignBottom, definitionString);
 221         }
 222
 223     } else {
 224
 225         const bool isHovered = index.data(HoveredItemRole).toBool();
 226         if (!isActive && isHovered) {
 227             painter->setFont(smallerFont);
 228             painter->setPen(Qt::white);
 229             QString videoTitle = video->title();
 230             QString v = videoTitle;
 231             const int flags = Qt::AlignTop | Qt::TextWordWrap;
 232             QRect textBox(PADDING, PADDING, THUMB_WIDTH - PADDING*2, THUMB_HEIGHT - PADDING*2);
 233             textBox = painter->boundingRect(textBox, flags, v);
 234             while (textBox.height() > THUMB_HEIGHT && v.length() > 10) {
 235                 videoTitle.truncate(videoTitle.length() - 1);
 236                 v = videoTitle;
 237                 v = v.trimmed().append("...");
 238                 textBox = painter->boundingRect(textBox, flags, v);
 239             }
 240             painter->fillRect(QRect(0, 0, THUMB_WIDTH, textBox.height() + PADDING*2), QColor(0, 0, 0, 128));
 241             painter->drawText(textBox, flags, v);
 242         }
 243
 244     }
 245
 246     painter->restore();
 247
 248     if (downloadInfo) paintDownloadInfo(painter, option, index);
 249
 250 }
 251
 252 void PlaylistItemDelegate::paintActiveOverlay(QPainter *painter, const QStyleOptionViewItem& option, const QRect &line) const {
 253     painter->save();
 254     painter->setOpacity(.1);
 255     painter->fillRect(line, option.palette.highlight());
 256     painter->restore();
 257 }
 258
 259 void PlaylistItemDelegate::drawTime(QPainter *painter, const QString &time, const QRect &line) const {
 260     static const int timePadding = 4;
 261     QRect textBox = painter->boundingRect(line, Qt::AlignLeft | Qt::AlignTop, time);
 262     // add padding
 263     textBox.adjust(0, 0, timePadding, 0);
 264     // move to bottom right corner of the thumb
 265     textBox.translate(THUMB_WIDTH - textBox.width(), THUMB_HEIGHT - textBox.height());
 266
 267     painter->save();
 268     painter->setPen(Qt::NoPen);
 269     painter->setBrush(Qt::black);
 270     painter->setOpacity(.5);
 271     painter->drawRect(textBox);
 272     painter->restore();
 273
 274     painter->save();
 275     painter->setPen(Qt::white);
 276     painter->drawText(textBox, Qt::AlignCenter, time);
 277     painter->restore();
 278 }
 279
 280 void PlaylistItemDelegate::paintDownloadInfo( QPainter* painter,
 281                                               const QStyleOptionViewItem& option,
 282                                               const QModelIndex& index ) const {
 283
 284     // get the video metadata
 285     const DownloadItemPointer downloadItemPointer = index.data(DownloadItemRole).value<DownloadItemPointer>();
 286     const DownloadItem *downloadItem = downloadItemPointer.data();
 287
 288     painter->save();
 289
 290     const QRect line(0, 0, option.rect.width() / 2, option.rect.height());
 291
 292     painter->translate(option.rect.topLeft());
 293     painter->translate(line.width(), 0);
 294
 295     QString message;
 296     DownloadItemStatus status = downloadItem->status();
 297
 298     if (status == Downloading) {
 299         QString downloaded = DownloadItem::formattedFilesize(downloadItem->bytesReceived());
 300         QString total = DownloadItem::formattedFilesize(downloadItem->bytesTotal());
 301         QString speed = DownloadItem::formattedSpeed(downloadItem->currentSpeed());
 302         QString eta = DownloadItem::formattedTime(downloadItem->remainingTime());
 303
 304         message = tr("%1 of %2 (%3) — %4").arg(
 305                     downloaded,
 306                     total,
 307                     speed,
 308                     eta
 309                     );
 310     } else if (status == Starting) {
 311         message = tr("Preparing");
 312     } else if (status == Failed) {
 313         message = tr("Failed") + " — " + downloadItem->errorMessage();
 314     } else if (status == Finished) {
 315         message = tr("Completed");
 316     } else if (status == Idle) {
 317         message = tr("Stopped");
 318     }
 319
 320     // progressBar->setPalette(option.palette);
 321     if (status == Finished) {
 322         progressBar->setValue(100);
 323         progressBar->setEnabled(true);
 324     } else if (status == Downloading) {
 325         progressBar->setValue(downloadItem->currentPercent());
 326         progressBar->setEnabled(true);
 327     } else {
 328         progressBar->setValue(0);
 329         progressBar->setEnabled(false);
 330     }
 331
 332     int progressBarWidth = line.width() - PADDING*4 - 16;
 333     progressBar->setMaximumWidth(progressBarWidth);
 334     progressBar->setMinimumWidth(progressBarWidth);
 335     painter->save();
 336     painter->translate(PADDING, PADDING);
 337     progressBar->render(painter);
 338     painter->restore();
 339
 340     bool downloadButtonHovered = false;
 341     bool downloadButtonPressed = false;
 342     const bool isHovered = index.data(HoveredItemRole).toBool();
 343     if (isHovered) {
 344         downloadButtonHovered = index.data(DownloadButtonHoveredRole).toBool();
 345         downloadButtonPressed = index.data(DownloadButtonPressedRole).toBool();
 346     }
 347     QIcon::Mode iconMode;
 348     if (downloadButtonPressed) iconMode = QIcon::Selected;
 349     else if (downloadButtonHovered) iconMode = QIcon::Active;
 350     else iconMode = QIcon::Normal;
 351
 352     if (status != Finished && status != Failed && status != Idle) {
 353         if (downloadButtonHovered) message = tr("Stop downloading");
 354         painter->save();
 355         QIcon closeIcon = IconUtils::icon("window-close");
 356         painter->drawPixmap(downloadButtonRect(line), closeIcon.pixmap(16, 16, iconMode));
 357         painter->restore();
 358     }
 359
 360     else if (status == Finished) {
 361         if (downloadButtonHovered)
 362 #ifdef APP_MAC
 363             message = tr("Show in %1").arg("Finder");
 364 #else
 365             message = tr("Open parent folder");
 366 #endif
 367         painter->save();
 368         QIcon searchIcon = IconUtils::icon("system-search");
 369         painter->drawPixmap(downloadButtonRect(line), searchIcon.pixmap(16, 16, iconMode));
 370         painter->restore();
 371     }
 372
 373     else if (status == Failed || status == Idle) {
 374         if (downloadButtonHovered) message = tr("Restart downloading");
 375         painter->save();
 376         QIcon searchIcon = IconUtils::icon("view-refresh");
 377         painter->drawPixmap(downloadButtonRect(line), searchIcon.pixmap(16, 16, iconMode));
 378         painter->restore();
 379     }
 380
 381     QRect textBox = line.adjusted(PADDING, PADDING*2 + progressBar->sizeHint().height(), -2 * PADDING, -PADDING);
 382     textBox = painter->boundingRect( textBox, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, message);
 383     painter->drawText(textBox, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, message);
 384
 385     painter->restore();
 386 }
 387
 388 QRect PlaylistItemDelegate::downloadButtonRect(const QRect &line) const {
 389     return QRect(
 390                 line.width() - PADDING*2 - 16,
 391                 PADDING + progressBar->sizeHint().height() / 2 - 8,
 392                 16,
 393                 16);
 394 }
 395
 396 QRect PlaylistItemDelegate::authorRect(const QModelIndex& index) const {
 397     return authorRects.value(index.row());
 398 }