Implement file downloads.

[PrivacyBrowserPC.git] / src / dialogs / SaveDialog.cpp

diff --git a/src/dialogs/SaveDialog.cpp b/src/dialogs/SaveDialog.cpp
new file mode 100644 (file)
index 0000000..fff857d
--- /dev/null
+++ b/src/dialogs/SaveDialog.cpp
@@ -0,0 +1,94 @@
+/*
+ * Copyright © 2022 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser PC <https://www.stoutner.com/privacy-browser-pc>.
+ *
+ * Privacy Browser PC 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.
+ *
+ * Privacy Browser PC 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Privacy Browser PC.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// Application headers.
+#include "SaveDialog.h"
+#include "ui_SaveDialog.h"
+
+// KDE Frameworks headers.
+#include <KLocalizedString>
+
+// Qt toolkit headers.
+#include <QMimeDatabase>
+#include <QPushButton>
+#include <QShortcut>
+#include <QStandardPaths>
+
+SaveDialog::SaveDialog(QWebEngineDownloadItem *downloadItemPointer)
+{
+    // Set the dialog window title.
+    setWindowTitle(i18nc("The save dialog window title", "Save"));
+
+    // Set the window modality.
+    setWindowModality(Qt::WindowModality::ApplicationModal);
+
+    // Instantiate the save dialog UI.
+    Ui::SaveDialog saveDialogUi;
+
+    // Setup the UI.
+    saveDialogUi.setupUi(this);
+
+    // Get handles for the widgets.
+    QLabel *urlLabelPointer = saveDialogUi.urlLabel;
+    QLabel *filetypeLabelPointer = saveDialogUi.fileTypeLabel;
+    QLabel *mimeTypeLabelPointer = saveDialogUi.mimeTypeLabel;
+    QLabel *sizeLabelPointer = saveDialogUi.sizeLabel;
+    QDialogButtonBox *dialogButtonBoxPointer = saveDialogUi.dialogButtonBox;
+    QPushButton *saveButtonPointer = dialogButtonBoxPointer->button(QDialogButtonBox::Save);
+
+    // Get the URL and the suggested file name.
+    downloadUrl = downloadItemPointer->url();
+    suggestedFileName = downloadItemPointer->suggestedFileName();
+    QString mimeType = downloadItemPointer->mimeType();
+
+    // Get a MIME type database.
+    QMimeDatabase mimeDatabase;
+
+    // Populate the labels.
+    urlLabelPointer->setText("<b>" + downloadUrl.toString() + "</b>");
+    filetypeLabelPointer->setText("<b>" + mimeDatabase.mimeTypeForName(mimeType).comment() + "</b>");
+    mimeTypeLabelPointer->setText("<b>" + mimeType + "</b>");
+
+    // Populate the download size label.
+    if (downloadItemPointer->totalBytes() == -1)  // The file size is unknown.
+        sizeLabelPointer->setText(i18nc("Unknown download file size.  The bold style should be preserved.", "<b>unknown</b>"));
+    else  // The file size is known.  Format it according to the locale.
+        sizeLabelPointer->setText(ki18nc("Download file size.  The bold style should be preserved.", "<b>%1 bytes</b>").subs(downloadItemPointer->totalBytes()).toString());
+
+    // Connect the buttons.
+    connect(saveButtonPointer, SIGNAL(clicked()), this, SLOT(showFileDialog()));
+    connect(dialogButtonBoxPointer, SIGNAL(rejected()), this, SLOT(reject()));
+
+    // Create the keyboard shortcuts.
+    QShortcut *sShortcutPointer = new QShortcut(QKeySequence(i18nc("The save key shortcut.", "s")), this);
+    QShortcut *cShortcutPointer = new QShortcut(QKeySequence(i18nc("The close key shortcut.", "c")), this);
+
+    // Connect the shortcuts.
+    connect(sShortcutPointer, SIGNAL(activated()), this, SLOT(showFileDialog()));
+    connect(cShortcutPointer, SIGNAL(activated()), this, SLOT(reject()));
+}
+
+void SaveDialog::showFileDialog()
+{
+    // Show the file picker dialog.
+    emit showSaveFilePickerDialog(downloadUrl, suggestedFileName);
+
+    // Close the dialog.
+    reject();
+}