git.sur5r.net Git - minitube/blob - src/channelitemdelegate.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 "channelitemdelegate.h"
  22 #include "channelmodel.h"
  23 #include "ytchannel.h"
  24 #include "fontutils.h"
  25 #include "channelaggregator.h"
  26 #include "painterutils.h"
  27
  28 static const int ITEM_WIDTH = 128;
  29 static const int ITEM_HEIGHT = 128;
  30 static const int THUMB_WIDTH = 88;
  31 static const int THUMB_HEIGHT = 88;
  32
  33 ChannelItemDelegate::ChannelItemDelegate(QObject *parent) : QStyledItemDelegate(parent) {
  34
  35 }
  36
  37 QSize ChannelItemDelegate::sizeHint(const QStyleOptionViewItem& /*option*/,
  38                                      const QModelIndex& /*index*/ ) const {
  39     return QSize(ITEM_WIDTH, ITEM_HEIGHT);
  40 }
  41
  42 void ChannelItemDelegate::paint( QPainter* painter,
  43                                   const QStyleOptionViewItem& option,
  44                                   const QModelIndex& index ) const {
  45     const int itemType = index.data(ChannelModel::ItemTypeRole).toInt();
  46     if (itemType == ChannelModel::ItemChannel)
  47         paintChannel(painter, option, index);
  48     else if (itemType == ChannelModel::ItemAggregate)
  49         paintAggregate(painter, option, index);
  50     else if (itemType == ChannelModel::ItemUnwatched)
  51         paintUnwatched(painter, option, index);
  52     else
  53         QStyledItemDelegate::paint(painter, option, index);
  54 }
  55
  56 void ChannelItemDelegate::paintAggregate(QPainter* painter,
  57                                           const QStyleOptionViewItem& option,
  58                                           const QModelIndex& index) const {
  59     painter->save();
  60
  61     painter->translate(option.rect.topLeft());
  62     const QRect line(0, 0, option.rect.width(), option.rect.height());
  63
  64     static const QPixmap thumbnail = QPixmap(":/images/channels.png");
  65
  66     QString name = tr("All Videos");
  67
  68     drawItem(painter, line, thumbnail, name);
  69
  70     painter->restore();
  71 }
  72
  73 void ChannelItemDelegate::paintUnwatched(QPainter* painter,
  74                                           const QStyleOptionViewItem& option,
  75                                           const QModelIndex& index) const {
  76     painter->save();
  77
  78     painter->translate(option.rect.topLeft());
  79     const QRect line(0, 0, option.rect.width(), option.rect.height());
  80
  81     static const QPixmap thumbnail = QPixmap(":/images/unwatched.png");
  82
  83     QString name = tr("Unwatched Videos");
  84
  85     drawItem(painter, line, thumbnail, name);
  86
  87     int notifyCount = ChannelAggregator::instance()->getUnwatchedCount();
  88     QString notifyText = QString::number(notifyCount);
  89     if (notifyCount > 0) paintBadge(painter, line, notifyText);
  90
  91     painter->restore();
  92 }
  93
  94 void ChannelItemDelegate::paintChannel(QPainter* painter,
  95                                         const QStyleOptionViewItem& option,
  96                                         const QModelIndex& index) const {
  97     YTChannel *channel = index.data(ChannelModel::DataObjectRole).value<YTChannelPointer>().data();
  98     if (!channel) return;
  99
 100     painter->save();
 101
 102     painter->translate(option.rect.topLeft());
 103     const QRect line(0, 0, option.rect.width(), option.rect.height());
 104
 105     // const bool isActive = index.data( ActiveItemRole ).toBool();
 106     // const bool isHovered = index.data(ChannelsModel::HoveredItemRole ).toBool();
 107     // const bool isSelected = option.state & QStyle::State_Selected;
 108
 109     QPixmap thumbnail = channel->getThumbnail();
 110     if (thumbnail.isNull()) {
 111         channel->loadThumbnail();
 112         painter->restore();
 113         return;
 114     }
 115
 116     QString name = channel->getDisplayName();
 117     drawItem(painter, line, thumbnail, name);
 118
 119     int notifyCount = channel->getNotifyCount();
 120     if (notifyCount > 0)
 121         paintBadge(painter, line, QString::number(notifyCount));
 122
 123     painter->restore();
 124 }
 125
 126 void ChannelItemDelegate::drawItem(QPainter *painter,
 127                                     const QRect &line,
 128                                     const QPixmap &thumbnail,
 129                                     const QString &name) const {
 130     painter->drawPixmap((line.width() - THUMB_WIDTH) / 2, 8, thumbnail);
 131
 132     QRect nameBox = line;
 133     nameBox.adjust(0, 0, 0, -THUMB_HEIGHT - 16);
 134     nameBox.translate(0, line.height() - nameBox.height());
 135     bool tooBig = false;
 136
 137     QRect textBox = painter->boundingRect(nameBox,
 138                                           Qt::AlignTop | Qt::AlignHCenter | Qt::TextWordWrap,
 139                                           name);
 140     if (textBox.height() > nameBox.height() || textBox.width() > nameBox.width()) {
 141         painter->setFont(FontUtils::small());
 142         textBox = painter->boundingRect(nameBox,
 143                                         Qt::AlignTop | Qt::AlignHCenter | Qt::TextWordWrap,
 144                                         name);
 145         if (textBox.height() > nameBox.height()) {
 146             painter->setClipRect(nameBox);
 147             tooBig = true;
 148         }
 149     }
 150     if (tooBig)
 151         painter->drawText(nameBox, Qt::AlignHCenter | Qt::AlignTop | Qt::TextWordWrap, name);
 152     else
 153         painter->drawText(textBox, Qt::AlignCenter | Qt::TextWordWrap, name);
 154 }
 155
 156 void ChannelItemDelegate::paintBadge(QPainter *painter,
 157                                               const QRect &line,
 158                                               const QString &text) const {
 159     const int topLeft = (line.width() + THUMB_WIDTH) / 2;
 160     painter->save();
 161     painter->translate(topLeft, 0);
 162     painter->setClipping(false);
 163     PainterUtils::paintBadge(painter, text, true);
 164     painter->restore();
 165 }