From 49120f48474fc8fdc2448c75d961bc238213cfac Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Tue, 1 May 2018 14:34:32 +0200 Subject: New upstream version 0.28.2 --- src/camera/CameraBranch.vala | 114 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 src/camera/CameraBranch.vala (limited to 'src/camera/CameraBranch.vala') diff --git a/src/camera/CameraBranch.vala b/src/camera/CameraBranch.vala new file mode 100644 index 0000000..052f093 --- /dev/null +++ b/src/camera/CameraBranch.vala @@ -0,0 +1,114 @@ +/* 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 Camera.Branch : Sidebar.Branch { + internal static string? cameras_icon = Resources.ICON_CAMERAS; + + private Gee.HashMap camera_map = new Gee.HashMap< + DiscoveredCamera, Camera.SidebarEntry>(); + + public Branch() { + base (new Camera.Header(), + Sidebar.Branch.Options.HIDE_IF_EMPTY | Sidebar.Branch.Options.AUTO_OPEN_ON_NEW_CHILD, + camera_comparator); + + foreach (DiscoveredCamera camera in CameraTable.get_instance().get_cameras()) + add_camera(camera); + + CameraTable.get_instance().camera_added.connect(on_camera_added); + CameraTable.get_instance().camera_removed.connect(on_camera_removed); + } + + internal static void init() { + } + + internal static void terminate() { + } + + private static int camera_comparator(Sidebar.Entry a, Sidebar.Entry b) { + if (a == b) + return 0; + + // Compare based on name. + int ret = a.get_sidebar_name().collate(b.get_sidebar_name()); + if (ret == 0) { + // Cameras had same name! Fallback to URI comparison. + Camera.SidebarEntry? cam_a = a as Camera.SidebarEntry; + Camera.SidebarEntry? cam_b = b as Camera.SidebarEntry; + assert (cam_a != null && cam_b != null); + ret = cam_a.get_uri().collate(cam_b.get_uri()); + } + + return ret; + } + + public Camera.SidebarEntry? get_entry_for_camera(DiscoveredCamera camera) { + return camera_map.get(camera); + } + + private void on_camera_added(DiscoveredCamera camera) { + add_camera(camera); + } + + private void on_camera_removed(DiscoveredCamera camera) { + remove_camera(camera); + } + + private void add_camera(DiscoveredCamera camera) { + assert(!camera_map.has_key(camera)); + + Camera.SidebarEntry entry = new Camera.SidebarEntry(camera); + camera_map.set(camera, entry); + + // want to show before adding page so the grouping is available to graft onto + graft(get_root(), entry); + } + + private void remove_camera(DiscoveredCamera camera) { + assert(camera_map.has_key(camera)); + + Camera.SidebarEntry? entry = camera_map.get(camera); + assert(entry != null); + + bool removed = camera_map.unset(camera); + assert(removed); + + prune(entry); + } +} + +public class Camera.Header : Sidebar.Header { + public Header() { + base (_("Cameras"), _("List of all discovered camera devices")); + } +} + +public class Camera.SidebarEntry : Sidebar.SimplePageEntry { + private DiscoveredCamera camera; + private string uri; + + public SidebarEntry(DiscoveredCamera camera) { + this.camera = camera; + this.uri = camera.uri; + } + + public override string get_sidebar_name() { + return camera.display_name ?? _("Camera"); + } + + public override string? get_sidebar_icon() { + return camera.icon ?? Camera.Branch.cameras_icon; + } + + protected override Page create_page() { + return new ImportPage(camera.gcamera, uri, get_sidebar_name(), get_sidebar_icon()); + } + + public string get_uri() { + return uri; + } +} + -- cgit v1.2.3