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#include "ScreenshotsPage.h"
#include "ui_ScreenshotsPage.h"
#include <QModelIndex>
#include <QMutableListIterator>
#include <QMap>
#include <QSet>
#include <QFileIconProvider>
#include <QFileSystemModel>
#include <QStyledItemDelegate>
#include <QLineEdit>
#include <QEvent>
#include <QPainter>
#include <QClipboard>
#include <QKeyEvent>
#include <QMenu>
#include <MultiMC.h>
#include "dialogs/ProgressDialog.h"
#include "dialogs/CustomMessageBox.h"
#include "net/NetJob.h"
#include "screenshots/ImgurUpload.h"
#include "screenshots/ImgurAlbumCreation.h"
#include "tasks/SequentialTask.h"
#include "RWStorage.h"
#include <FileSystem.h>
#include <DesktopServices.h>
typedef RWStorage<QString, QIcon> SharedIconCache;
typedef std::shared_ptr<SharedIconCache> SharedIconCachePtr;
class ThumbnailingResult : public QObject
{
Q_OBJECT
public slots:
inline void emitResultsReady(const QString &path) { emit resultsReady(path); }
inline void emitResultsFailed(const QString &path) { emit resultsFailed(path); }
signals:
void resultsReady(const QString &path);
void resultsFailed(const QString &path);
};
class ThumbnailRunnable : public QRunnable
{
public:
ThumbnailRunnable(QString path, SharedIconCachePtr cache)
{
m_path = path;
m_cache = cache;
}
void run()
{
QFileInfo info(m_path);
if (info.isDir())
return;
if ((info.suffix().compare("png", Qt::CaseInsensitive) != 0))
return;
int tries = 5;
while (tries)
{
if (!m_cache->stale(m_path))
return;
QImage image(m_path);
if (image.isNull())
{
QThread::msleep(500);
tries--;
continue;
}
QImage small;
if (image.width() > image.height())
small = image.scaledToWidth(512).scaledToWidth(256, Qt::SmoothTransformation);
else
small = image.scaledToHeight(512).scaledToHeight(256, Qt::SmoothTransformation);
QPoint offset((256 - small.width()) / 2, (256 - small.height()) / 2);
QImage square(QSize(256, 256), QImage::Format_ARGB32);
square.fill(Qt::transparent);
QPainter painter(&square);
painter.drawImage(offset, small);
painter.end();
QIcon icon(QPixmap::fromImage(square));
m_cache->add(m_path, icon);
m_resultEmitter.emitResultsReady(m_path);
return;
}
m_resultEmitter.emitResultsFailed(m_path);
}
QString m_path;
SharedIconCachePtr m_cache;
ThumbnailingResult m_resultEmitter;
};
// this is about as elegant and well written as a bag of bricks with scribbles done by insane
// asylum patients.
class FilterModel : public QIdentityProxyModel
{
Q_OBJECT
public:
explicit FilterModel(QObject *parent = 0) : QIdentityProxyModel(parent)
{
m_thumbnailingPool.setMaxThreadCount(4);
m_thumbnailCache = std::make_shared<SharedIconCache>();
m_thumbnailCache->add("placeholder", MMC->getThemedIcon("screenshot-placeholder"));
connect(&watcher, SIGNAL(fileChanged(QString)), SLOT(fileChanged(QString)));
// FIXME: the watched file set is not updated when files are removed
}
virtual ~FilterModel() { m_thumbnailingPool.waitForDone(500); }
virtual QVariant data(const QModelIndex &proxyIndex, int role = Qt::DisplayRole) const
{
auto model = sourceModel();
if (!model)
return QVariant();
if (role == Qt::DisplayRole || role == Qt::EditRole)
{
QVariant result = sourceModel()->data(mapToSource(proxyIndex), role);
return result.toString().remove(QRegExp("\\.png$"));
}
if (role == Qt::DecorationRole)
{
QVariant result =
sourceModel()->data(mapToSource(proxyIndex), QFileSystemModel::FilePathRole);
QString filePath = result.toString();
QIcon temp;
if (!watched.contains(filePath))
{
((QFileSystemWatcher &)watcher).addPath(filePath);
((QSet<QString> &)watched).insert(filePath);
}
if (m_thumbnailCache->get(filePath, temp))
{
return temp;
}
if (!m_failed.contains(filePath))
{
((FilterModel *)this)->thumbnailImage(filePath);
}
return (m_thumbnailCache->get("placeholder"));
}
return sourceModel()->data(mapToSource(proxyIndex), role);
}
virtual bool setData(const QModelIndex &index, const QVariant &value,
int role = Qt::EditRole)
{
auto model = sourceModel();
if (!model)
return false;
if (role != Qt::EditRole)
return false;
// FIXME: this is a workaround for a bug in QFileSystemModel, where it doesn't
// sort after renames
{
((QFileSystemModel *)model)->setNameFilterDisables(true);
((QFileSystemModel *)model)->setNameFilterDisables(false);
}
return model->setData(mapToSource(index), value.toString() + ".png", role);
}
private:
void thumbnailImage(QString path)
{
auto runnable = new ThumbnailRunnable(path, m_thumbnailCache);
connect(&(runnable->m_resultEmitter), SIGNAL(resultsReady(QString)),
SLOT(thumbnailReady(QString)));
connect(&(runnable->m_resultEmitter), SIGNAL(resultsFailed(QString)),
SLOT(thumbnailFailed(QString)));
((QThreadPool &)m_thumbnailingPool).start(runnable);
}
private slots:
void thumbnailReady(QString path) { emit layoutChanged(); }
void thumbnailFailed(QString path) { m_failed.insert(path); }
void fileChanged(QString filepath)
{
m_thumbnailCache->setStale(filepath);
thumbnailImage(filepath);
// reinsert the path...
watcher.removePath(filepath);
watcher.addPath(filepath);
}
private:
SharedIconCachePtr m_thumbnailCache;
QThreadPool m_thumbnailingPool;
QSet<QString> m_failed;
QSet<QString> watched;
QFileSystemWatcher watcher;
};
class CenteredEditingDelegate : public QStyledItemDelegate
{
public:
explicit CenteredEditingDelegate(QObject *parent = 0) : QStyledItemDelegate(parent) {}
virtual ~CenteredEditingDelegate() {}
virtual QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
auto widget = QStyledItemDelegate::createEditor(parent, option, index);
auto foo = dynamic_cast<QLineEdit *>(widget);
if (foo)
{
foo->setAlignment(Qt::AlignHCenter);
foo->setFrame(true);
foo->setMaximumWidth(192);
}
return widget;
}
};
ScreenshotsPage::ScreenshotsPage(QString path, QWidget *parent)
: QMainWindow(parent), ui(new Ui::ScreenshotsPage)
{
m_model.reset(new QFileSystemModel());
m_filterModel.reset(new FilterModel());
m_filterModel->setSourceModel(m_model.get());
m_model->setFilter(QDir::Files | QDir::Writable | QDir::Readable);
m_model->setReadOnly(false);
m_model->setNameFilters({"*.png"});
m_model->setNameFilterDisables(false);
m_folder = path;
m_valid = FS::ensureFolderPathExists(m_folder);
ui->setupUi(this);
QWidget* spacer = new QWidget();
spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
// toolBar is a pointer to an existing toolbar
ui->toolBar->insertWidget(ui->actionView_Folder, spacer);
ui->listView->setIconSize(QSize(128, 128));
ui->listView->setGridSize(QSize(192, 160));
ui->listView->setSpacing(9);
// ui->listView->setUniformItemSizes(true);
ui->listView->setLayoutMode(QListView::Batched);
ui->listView->setViewMode(QListView::IconMode);
ui->listView->setResizeMode(QListView::Adjust);
ui->listView->installEventFilter(this);
ui->listView->setEditTriggers(0);
ui->listView->setItemDelegate(new CenteredEditingDelegate(this));
connect(ui->listView, SIGNAL(activated(QModelIndex)), SLOT(onItemActivated(QModelIndex)));
}
bool ScreenshotsPage::eventFilter(QObject *obj, QEvent *evt)
{
if (obj != ui->listView)
return QWidget::eventFilter(obj, evt);
if (evt->type() != QEvent::KeyPress)
{
return QWidget::eventFilter(obj, evt);
}
QKeyEvent *keyEvent = static_cast<QKeyEvent *>(evt);
switch (keyEvent->key())
{
case Qt::Key_Delete:
on_actionDelete_triggered();
return true;
case Qt::Key_F2:
on_actionRename_triggered();
return true;
default:
break;
}
return QWidget::eventFilter(obj, evt);
}
ScreenshotsPage::~ScreenshotsPage()
{
delete ui;
}
QMenu * ScreenshotsPage::createPopupMenu()
{
QMenu* filteredMenu = QMainWindow::createPopupMenu();
filteredMenu->removeAction( ui->toolBar->toggleViewAction() );
return filteredMenu;
}
void ScreenshotsPage::onItemActivated(QModelIndex index)
{
if (!index.isValid())
return;
auto info = m_model->fileInfo(index);
QString fileName = info.absoluteFilePath();
DesktopServices::openFile(info.absoluteFilePath());
}
void ScreenshotsPage::on_actionView_Folder_triggered()
{
DesktopServices::openDirectory(m_folder, true);
}
void ScreenshotsPage::on_actionUpload_triggered()
{
auto selection = ui->listView->selectionModel()->selectedRows();
if (selection.isEmpty())
return;
QList<ScreenshotPtr> uploaded;
auto job = NetJobPtr(new NetJob("Screenshot Upload"));
if(selection.size() < 2)
{
auto item = selection.at(0);
auto info = m_model->fileInfo(item);
auto screenshot = std::make_shared<ScreenShot>(info);
job->addNetAction(ImgurUpload::make(screenshot));
m_uploadActive = true;
ProgressDialog dialog(this);
if(dialog.execWithTask(job.get()) != QDialog::Accepted)
{
CustomMessageBox::selectable(this, tr("Failed to upload screenshots!"),
tr("Unknown error"), QMessageBox::Warning)->exec();
}
else
{
auto link = screenshot->m_url;
QClipboard *clipboard = QApplication::clipboard();
clipboard->setText(link);
CustomMessageBox::selectable(
this,
tr("Upload finished"),
tr("The <a href=\"%1\">link to the uploaded screenshot</a> has been placed in your clipboard.")
.arg(link),
QMessageBox::Information
)->exec();
}
m_uploadActive = false;
return;
}
for (auto item : selection)
{
auto info = m_model->fileInfo(item);
auto screenshot = std::make_shared<ScreenShot>(info);
uploaded.push_back(screenshot);
job->addNetAction(ImgurUpload::make(screenshot));
}
SequentialTask task;
auto albumTask = NetJobPtr(new NetJob("Imgur Album Creation"));
auto imgurAlbum = ImgurAlbumCreation::make(uploaded);
albumTask->addNetAction(imgurAlbum);
task.addTask(job.unwrap());
task.addTask(albumTask.unwrap());
m_uploadActive = true;
ProgressDialog prog(this);
if (prog.execWithTask(&task) != QDialog::Accepted)
{
CustomMessageBox::selectable(this, tr("Failed to upload screenshots!"),
tr("Unknown error"), QMessageBox::Warning)->exec();
}
else
{
auto link = QString("https://imgur.com/a/%1").arg(imgurAlbum->id());
QClipboard *clipboard = QApplication::clipboard();
clipboard->setText(link);
CustomMessageBox::selectable(
this,
tr("Upload finished"),
tr("The <a href=\"%1\">link to the uploaded album</a> has been placed in your clipboard.") .arg(link),
QMessageBox::Information
)->exec();
}
m_uploadActive = false;
}
void ScreenshotsPage::on_actionDelete_triggered()
{
auto mbox = CustomMessageBox::selectable(
this, tr("Are you sure?"), tr("This will delete all selected screenshots."),
QMessageBox::Warning, QMessageBox::Yes | QMessageBox::No);
std::unique_ptr<QMessageBox> box(mbox);
if (box->exec() != QMessageBox::Yes)
return;
auto selected = ui->listView->selectionModel()->selectedIndexes();
for (auto item : selected)
{
m_model->remove(item);
}
}
void ScreenshotsPage::on_actionRename_triggered()
{
auto selection = ui->listView->selectionModel()->selectedIndexes();
if (selection.isEmpty())
return;
ui->listView->edit(selection[0]);
// TODO: mass renaming
}
void ScreenshotsPage::openedImpl()
{
if(!m_valid)
{
m_valid = FS::ensureFolderPathExists(m_folder);
}
if (m_valid)
{
QString path = QDir(m_folder).absolutePath();
auto idx = m_model->setRootPath(path);
if(idx.isValid())
{
ui->listView->setModel(m_filterModel.get());
ui->listView->setRootIndex(m_filterModel->mapFromSource(idx));
}
else
{
ui->listView->setModel(nullptr);
}
}
}
#include "ScreenshotsPage.moc"
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