Revert "Avoid removing portal platformtheme plugin in snap"

This reverts commit 12db51fe75.

Telegram/SourceFiles/platform/linux/file_utilities_linux.cpp

@@ -9,7 +9,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "platform/linux/linux_gtk_integration.h"
 #include "platform/linux/specific_linux.h"
-#include "storage/localstorage.h"
 
 #ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
 #include "platform/linux/linux_xdp_file_dialog.h"
@@ -18,7 +17,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include <QtCore/QProcess>
 #include <QtGui/QDesktopServices>
-#include <QtWidgets/QFileDialog>
 
 #include <glibmm.h>
 #include <giomm.h>
@@ -91,73 +89,6 @@ void UnsafeLaunch(const QString &filepath) {
 } // namespace File
 
 namespace FileDialog {
-namespace {
-
-using Type = ::FileDialog::internal::Type;
-
-bool GetQt(
-		QPointer<QWidget> parent,
-		QStringList &files,
-		QByteArray &remoteContent,
-		const QString &caption,
-		const QString &filter,
-		Type type,
-		QString startFile) {
-	if (cDialogLastPath().isEmpty()) {
-		InitLastPath();
-	}
-
-	QFileDialog dialog(parent, caption, QString(), filter);
-
-	dialog.setOptions(QFileDialog::DontUseNativeDialog);
-	dialog.setModal(true);
-	if (type == Type::ReadFile || type == Type::ReadFiles) {
-		dialog.setFileMode((type == Type::ReadFiles)
-			? QFileDialog::ExistingFiles
-			: QFileDialog::ExistingFile);
-		dialog.setAcceptMode(QFileDialog::AcceptOpen);
-	} else if (type == Type::ReadFolder) {
-		dialog.setAcceptMode(QFileDialog::AcceptOpen);
-		dialog.setFileMode(QFileDialog::Directory);
-		dialog.setOption(QFileDialog::ShowDirsOnly);
-	} else {
-		dialog.setFileMode(QFileDialog::AnyFile);
-		dialog.setAcceptMode(QFileDialog::AcceptSave);
-	}
-	if (startFile.isEmpty() || startFile.at(0) != '/') {
-		startFile = cDialogLastPath() + '/' + startFile;
-	}
-	dialog.setDirectory(QFileInfo(startFile).absoluteDir().absolutePath());
-	if (type == Type::WriteFile) {
-		dialog.selectFile(startFile);
-	}
-
-	const auto res = dialog.exec();
-
-	if (type != Type::ReadFolder) {
-		// Save last used directory for all queries except directory choosing.
-		const auto path = dialog.directory().absolutePath();
-		if (!path.isEmpty() && path != cDialogLastPath()) {
-			cSetDialogLastPath(path);
-			Local::writeSettings();
-		}
-	}
-
-	if (res == QDialog::Accepted) {
-		if (type == Type::ReadFiles) {
-			files = dialog.selectedFiles();
-		} else {
-			files = dialog.selectedFiles().mid(0, 1);
-		}
-		return true;
-	}
-
-	files = QStringList();
-	remoteContent = QByteArray();
-	return false;
-}
-
-}
 
 bool Get(
 		QPointer<QWidget> parent,
@@ -200,18 +131,6 @@ bool Get(
 			return *result;
 		}
 	}
-	// avoid situation when portals don't work
-	// and Qt tries to use portals as well
-	if (InFlatpak() || InSnap()) {
-		return GetQt(
-			parent,
-			files,
-			remoteContent,
-			caption,
-			filter,
-			type,
-			startFile);
-	}
 	return ::FileDialog::internal::GetDefault(
 		parent,
 		files,

snap/snapcraft.yaml

@@ -420,6 +420,8 @@ parts:
       - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/bin
       - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/mkspecs
       - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/examples
+      # Allow tdesktop's custom try-portal-and-fallback logic to work
+      - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/plugins/platformthemes/libqxdgdesktopportal.so
       - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/*.a
       - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/*.la
       - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/*.prl