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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.
*/
#if UNITY_SUPPORT
public class UnityProgressBar : Object {
private static Unity.LauncherEntry l = Unity.LauncherEntry.get_for_desktop_id("shotwell.desktop");
private static UnityProgressBar? visible_uniprobar;
private double progress;
private bool visible;
public static UnityProgressBar get_instance() {
if (visible_uniprobar == null) {
visible_uniprobar = new UnityProgressBar();
}
return visible_uniprobar;
}
private UnityProgressBar() {
progress = 0.0;
visible = false;
}
~UnityProgressBar () {
reset_progress_bar();
}
public double get_progress () {
return progress;
}
public void set_progress (double percent) {
progress = percent;
update_visibility();
}
private void update_visibility () {
set_progress_bar(this, progress);
}
public bool get_visible () {
return visible;
}
public void set_visible (bool visible) {
this.visible = visible;
if (!visible) {
//if not visible and currently displayed, remove Unity progress bar
reset_progress_bar();
} else {
//update_visibility if this progress bar wants to be drawn
update_visibility();
}
}
public void reset () {
set_visible(false);
progress = 0.0;
}
private static void set_progress_bar (UnityProgressBar uniprobar, double percent) {
//set new visible ProgressBar
visible_uniprobar = uniprobar;
if (!l.progress_visible)
l.progress_visible = true;
l.progress = percent;
}
private static void reset_progress_bar () {
//reset to default values
visible_uniprobar = null;
l.progress = 0.0;
l.progress_visible = false;
}
}
#endif
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