Clementine-audio-player-Mac.../src/podcasts/podcastdiscoverymodel.cpp

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/* This file is part of Clementine.
Copyright 2012, David Sansome <me@davidsansome.com>
2014-11-02 19:50:39 +01:00
Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
Copyright 2014, John Maguire <john.maguire@gmail.com>
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Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
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#include "opmlcontainer.h"
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#include "podcast.h"
#include "podcastdiscoverymodel.h"
#include "core/application.h"
#include "ui/iconloader.h"
#include "ui/standarditemiconloader.h"
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#include <QIcon>
#include <QSet>
PodcastDiscoveryModel::PodcastDiscoveryModel(Application* app, QObject* parent)
: QStandardItemModel(parent),
app_(app),
icon_loader_(new StandardItemIconLoader(app->album_cover_loader(), this)),
default_icon_(":providers/podcast16.png") {
icon_loader_->SetModel(this);
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}
QVariant PodcastDiscoveryModel::data(const QModelIndex& index, int role) const {
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if (index.isValid() && role == Qt::DecorationRole &&
QStandardItemModel::data(index, Role_StartedLoadingImage).toBool() ==
false) {
const QUrl image_url =
QStandardItemModel::data(index, Role_ImageUrl).toUrl();
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if (image_url.isValid()) {
const_cast<PodcastDiscoveryModel*>(this)->LazyLoadImage(image_url, index);
}
}
return QStandardItemModel::data(index, role);
}
QStandardItem* PodcastDiscoveryModel::CreatePodcastItem(
const Podcast& podcast) {
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QStandardItem* item = new QStandardItem;
item->setIcon(default_icon_);
item->setText(podcast.title());
item->setData(QVariant::fromValue(podcast), Role_Podcast);
item->setData(Type_Podcast, Role_Type);
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item->setData(podcast.ImageUrlSmall(), Role_ImageUrl);
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return item;
}
QStandardItem* PodcastDiscoveryModel::CreateFolder(const QString& name) {
if (folder_icon_.isNull()) {
folder_icon_ = IconLoader::Load("folder");
}
QStandardItem* item = new QStandardItem;
item->setIcon(folder_icon_);
item->setText(name);
item->setData(Type_Folder, Role_Type);
return item;
}
QStandardItem* PodcastDiscoveryModel::CreateOpmlContainerItem(
const OpmlContainer& container) {
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QStandardItem* item = CreateFolder(container.name);
CreateOpmlContainerItems(container, item);
return item;
}
void PodcastDiscoveryModel::CreateOpmlContainerItems(
const OpmlContainer& container, QStandardItem* parent) {
for (const OpmlContainer& child : container.containers) {
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QStandardItem* child_item = CreateOpmlContainerItem(child);
parent->appendRow(child_item);
}
for (const Podcast& child : container.feeds) {
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QStandardItem* child_item = CreatePodcastItem(child);
parent->appendRow(child_item);
}
}
void PodcastDiscoveryModel::LazyLoadImage(const QUrl& url,
const QModelIndex& index) {
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QStandardItem* item = itemFromIndex(index);
item->setData(true, Role_StartedLoadingImage);
icon_loader_->LoadIcon(url.toString(), QString(), item);
}
QStandardItem* PodcastDiscoveryModel::CreateLoadingIndicator() {
QStandardItem* item = new QStandardItem;
item->setText(tr("Loading..."));
item->setData(Type_LoadingIndicator, Role_Type);
return item;
}