X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altosuilib%2FAltosBTKnown.java;fp=altosuilib%2FAltosBTKnown.java;h=02883c759dbe4203b6c4c63b4fde4a1e796afec1;hb=3cf030fffffd223c3717011e03aac82346295d71;hp=0000000000000000000000000000000000000000;hpb=607fbb01710be1cb263625337f5be3d0fb48d5e7;p=fw%2Faltos

diff --git a/altosuilib/AltosBTKnown.java b/altosuilib/AltosBTKnown.java
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+++ b/altosuilib/AltosBTKnown.java
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+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altosuilib_2;
+
+import java.util.*;
+import org.altusmetrum.altoslib_4.*;
+
+public class AltosBTKnown implements Iterable<AltosBTDevice> {
+	LinkedList<AltosBTDevice>	devices = new LinkedList<AltosBTDevice>();
+	AltosPreferencesBackend		bt_pref = AltosUIPreferences.bt_devices();
+
+	private String get_address(String name) {
+		return bt_pref.getString(name, "");
+	}
+
+	private void set_address(String name, String addr) {
+		bt_pref.putString(name, addr);
+	}
+
+	private void remove(String name) {
+		bt_pref.remove(name);
+	}
+
+	private void load() {
+		try {
+			String[] names = bt_pref.keys();
+			for (int i = 0; i < names.length; i++) {
+				String	name = names[i];
+				String	addr = get_address(name);
+				devices.add(new AltosBTDevice(name, addr));
+			}
+		} catch (IllegalStateException ie) {
+		}
+	}
+
+	public Iterator<AltosBTDevice> iterator() {
+		return devices.iterator();
+	}
+
+	private void flush() {
+		AltosUIPreferences.flush_preferences();
+	}
+
+	public void set(Iterable<AltosBTDevice> new_devices) {
+		for (AltosBTDevice old : devices) {
+			boolean found = false;
+			for (AltosBTDevice new_device : new_devices) {
+				if (new_device.equals(old)) {
+					found = true;
+					break;
+				}
+			}
+			if (!found)
+				remove(old.getName());
+		}
+		devices = new LinkedList<AltosBTDevice>();
+		for (AltosBTDevice new_device : new_devices) {
+			devices.add(new_device);
+			set_address(new_device.getName(), new_device.getAddr());
+		}
+		flush();
+	}
+
+	public List<AltosDevice> list(int product) {
+		LinkedList<AltosDevice>	list = new LinkedList<AltosDevice>();
+		for (AltosBTDevice device : devices) {
+			if (device.matchProduct(product))
+				list.add(device);
+		}
+		return list;
+	}
+
+	public AltosBTKnown() {
+		devices = new LinkedList<AltosBTDevice>();
+		bt_pref = AltosUIPreferences.bt_devices();
+		load();
+	}
+
+	static AltosBTKnown	known;
+
+	static public AltosBTKnown bt_known() {
+		if (known == null)
+			known = new AltosBTKnown();
+		return known;
+	}
+}