src/settings/general/configurepreviewplugindialog.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2011 Peter Penz <peter.penz19@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #include "configurepreviewplugindialog.h"
   8
   9 #include <KIO/DeleteJob>
  10 #include <KIO/JobUiDelegate>
  11 #include <KIO/ThumbCreator>
  12 #include <KJobWidgets>
  13 #include <KLocalizedString>
  14 #include <KPluginLoader>
  15
  16 #include <QDialogButtonBox>
  17 #include <QPushButton>
  18 #include <QStandardPaths>
  19 #include <QUrl>
  20 #include <QVBoxLayout>
  21
  22 ConfigurePreviewPluginDialog::ConfigurePreviewPluginDialog(const QString& pluginName,
  23                                                            const QString& desktopEntryName,
  24                                                            QWidget* parent) :
  25     QDialog(parent)
  26 {
  27     QSharedPointer<ThumbCreator> previewPlugin;
  28     const QString pluginPath = KPluginLoader::findPlugin(desktopEntryName);
  29     if (!pluginPath.isEmpty()) {
  30         newCreator create = (newCreator)QLibrary::resolve(pluginPath, "new_creator");
  31         if (create) {
  32             previewPlugin.reset(dynamic_cast<ThumbCreator*>(create()));
  33         }
  34     }
  35
  36     setWindowTitle(i18nc("@title:window", "Configure Preview for %1", pluginName));
  37     setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);
  38     setMinimumWidth(400);
  39
  40     auto layout = new QVBoxLayout(this);
  41
  42     if (previewPlugin) {
  43         auto configurationWidget = previewPlugin->createConfigurationWidget();
  44         configurationWidget->setParent(this);
  45         layout->addWidget(configurationWidget);
  46
  47         layout->addStretch();
  48
  49         connect(this, &ConfigurePreviewPluginDialog::accepted, this, [=] {
  50             // TODO: It would be great having a mechanism to tell PreviewJob that only previews
  51             // for a specific MIME-type should be regenerated. As this is not available yet we
  52             // delete the whole thumbnails directory.
  53             previewPlugin->writeConfiguration(configurationWidget);
  54
  55             // https://specifications.freedesktop.org/thumbnail-spec/thumbnail-spec-latest.html#DIRECTORY
  56             const QString thumbnailsPath = QStandardPaths::writableLocation(QStandardPaths::GenericCacheLocation) + QLatin1String("/thumbnails/");
  57             KIO::del(QUrl::fromLocalFile(thumbnailsPath), KIO::HideProgressInfo);
  58         });
  59     }
  60
  61     auto buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this);
  62     connect(buttonBox, &QDialogButtonBox::accepted, this, &ConfigurePreviewPluginDialog::accept);
  63     connect(buttonBox, &QDialogButtonBox::rejected, this, &ConfigurePreviewPluginDialog::reject);
  64     layout->addWidget(buttonBox);
  65
  66     auto okButton = buttonBox->button(QDialogButtonBox::Ok);
  67     okButton->setShortcut(Qt::CTRL | Qt::Key_Return);
  68     okButton->setDefault(true);
  69 }