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Bug 1885400 Don't use filetransfer portal for the remote content; r=stransky

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The targets vnd.portal.filetransfer and vnd.portal.files usually contains the
numeric value data associated with the file transfer portal. In case
the dragged data is non-local file - like https link, the vnd.portal.files
target could also be send by the drag source application and it contains https uri.
The gtk_selection_data_get_uris call fails and cause delay and wrong
data to be received. This needs to be fixed by upstream, meanwhile introducing this
workaround to mitigate regression.

See: https://gitlab.gnome.org/GNOME/gtk/-/issues/6563

Differential Revision: https://phabricator.services.mozilla.com/D205717
This commit is contained in:
Jan Horak 2024-04-02 12:03:51 +00:00
parent 2bd7572f35
commit fe347d24f2
1 changed files with 42 additions and 4 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

46
widget/gtk/nsDragService.cpp
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@ -1216,19 +1216,57 @@ void nsDragService::TargetDataReceived(GtkWidget* aWidget,
GdkAtom target = gtk_selection_data_get_target(aSelectionData);
GUniquePtr<gchar> name(gdk_atom_name(target));
nsDependentCString flavor(name.get());
if (gtk_targets_include_uri(&target, 1)) {
GUniquePtr<gchar*> uris(gtk_selection_data_get_uris(aSelectionData));
// For the vnd.portal.filetransfer and vnd.portal.files we receive numeric
// id when it's a local file. The numeric id is then used by
// gtk_selection_data_get_uris implementation to get the actual file
// available in the flatpak environment.
//
// However due to GTK implementation also for example the uris like https
// are also provided by the vnd.portal.filetransfer target. In this case the
// call gtk_selection_data_get_uris fails. This is a bug in the gtk.
// To workaround it we try to create the valid uri and only if we fail
// we try to use the gtk_selection_data_get_uris. We ignore the valid uris
// for the vnd.portal.file* targets.
// See: https://gitlab.gnome.org/GNOME/gtk/-/issues/6563
if (flavor.Equals(gPortalFile) || flavor.Equals(gPortalFileTransfer)) {
const guchar* data = gtk_selection_data_get_data(aSelectionData);
if (!data || data[0] == '\0') {
LOGDRAGSERVICE(" Empty data!\n");
return;
}
nsCOMPtr<nsIURI> sourceURI;
nsresult rv =
NS_NewURI(getter_AddRefs(sourceURI), (const gchar*)data, nullptr);
if (NS_FAILED(rv)) {
// We're unable to get the URI, we'll use the
// gtk_selection_data_get_uris to get the actual file location
// accessible from the Firefox runtime.
GUniquePtr<gchar*> uris(gtk_selection_data_get_uris(aSelectionData));
uris.swap(mTargetDragUris);
} else {
LOGDRAGSERVICE(
" got valid uri for MIME %s - this is bug in GTK - expected "
"numeric value for portal, got %s\n",
flavor.get(), data);
return;
}
} else {
GUniquePtr<gchar*> uris(gtk_selection_data_get_uris(aSelectionData));
uris.swap(mTargetDragUris);
}
#ifdef MOZ_LOGGING
if (MOZ_LOG_TEST(gWidgetDragLog, mozilla::LogLevel::Debug)) {
gchar** uri = uris.get();
gchar** uri = mTargetDragUris.get();
while (uri && *uri) {
LOGDRAGSERVICE(" got uri %s, MIME %s", *uri, flavor.get());
uri++;
}
}
#endif
uris.swap(mTargetDragUris);
if (mTargetDragUris) {
mCachedUris.InsertOrUpdate(
flavor, GUniquePtr<gchar*>(g_strdupv(mTargetDragUris.get())));