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/* Copyright 2016 Software Freedom Conservancy Inc.
*
* This software is licensed under the GNU Lesser General Public License
* (version 2.1 or later). See the COPYING file in this distribution.
*/
public class LastImportPage : CollectionPage {
public const string NAME = _("Last Import");
private class LastImportViewManager : CollectionViewManager {
private ImportID import_id;
public LastImportViewManager(LastImportPage owner, ImportID import_id) {
base (owner);
this.import_id = import_id;
}
public override bool include_in_view(DataSource source) {
return ((MediaSource) source).get_import_id().id == import_id.id;
}
}
private ImportID last_import_id = ImportID();
private Alteration last_import_alteration = new Alteration("metadata", "import-id");
public LastImportPage() {
base (NAME);
// be notified when the import rolls change
foreach (MediaSourceCollection col in MediaCollectionRegistry.get_instance().get_all()) {
col.import_roll_altered.connect(on_import_rolls_altered);
}
// set up view manager for the last import roll
on_import_rolls_altered();
}
public LastImportPage.for_id(ImportID id) {
base(NAME);
this.last_import_id = id;
get_view().halt_all_monitoring();
get_view().clear();
foreach (MediaSourceCollection col in MediaCollectionRegistry.get_instance().get_all()) {
get_view().monitor_source_collection(col, new LastImportViewManager(this,
last_import_id), last_import_alteration);
}
}
~LastImportPage() {
foreach (MediaSourceCollection col in MediaCollectionRegistry.get_instance().get_all()) {
col.import_roll_altered.disconnect(on_import_rolls_altered);
}
}
private void on_import_rolls_altered() {
// see if there's a new last ImportID, or no last import at all
ImportID? current_last_import_id =
MediaCollectionRegistry.get_instance().get_last_import_id();
if (current_last_import_id == null) {
get_view().halt_all_monitoring();
get_view().clear();
return;
}
if (current_last_import_id.id == last_import_id.id)
return;
last_import_id = current_last_import_id;
get_view().halt_all_monitoring();
get_view().clear();
foreach (MediaSourceCollection col in MediaCollectionRegistry.get_instance().get_all()) {
get_view().monitor_source_collection(col, new LastImportViewManager(this,
last_import_id), last_import_alteration);
}
}
protected override void get_config_photos_sort(out bool sort_order, out int sort_by) {
Config.Facade.get_instance().get_library_photos_sort(out sort_order, out sort_by);
}
protected override void set_config_photos_sort(bool sort_order, int sort_by) {
Config.Facade.get_instance().set_library_photos_sort(sort_order, sort_by);
}
}
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