1 files changed, 322 insertions, 0 deletions
diff --git a/altosdroid/src/org/altusmetrum/AltosDroid/PreloadMapActivity.java b/altosdroid/src/org/altusmetrum/AltosDroid/PreloadMapActivity.java
new file mode 100644
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+++ b/altosdroid/src/org/altusmetrum/AltosDroid/PreloadMapActivity.java
@@ -0,0 +1,322 @@
+/*
+ * Copyright © 2015 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.AltosDroid;
+
+import java.util.*;
+import java.io.*;
+import java.text.*;
+
+import org.altusmetrum.AltosDroid.R;
+
+import android.app.Activity;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.Bundle;
+import android.view.View;
+import android.view.Window;
+import android.view.View.OnClickListener;
+import android.widget.*;
+import android.widget.AdapterView.*;
+
+import org.altusmetrum.altoslib_7.*;
+
+/**
+ * This Activity appears as a dialog. It lists any paired devices and
+ * devices detected in the area after discovery. When a device is chosen
+ * by the user, the MAC address of the device is sent back to the parent
+ * Activity in the result Intent.
+ */
+public class PreloadMapActivity extends Activity implements AltosLaunchSiteListener, AltosMapInterface, AltosMapLoaderListener {
+
+	private ArrayAdapter<AltosLaunchSite> known_sites_adapter;
+
+	private CheckBox	hybrid;
+	private CheckBox	satellite;
+	private CheckBox	roadmap;
+	private CheckBox	terrain;
+
+	private Spinner		min_zoom;
+	private Spinner		max_zoom;
+	private Spinner		tile_radius;
+
+	private EditText	latitude;
+	private EditText	longitude;
+
+	private ProgressBar	progress;
+
+	/* AltosMapLoaderListener interfaces */
+	public void loader_start(final int max) {
+		AltosDebug.debug("loader_start max %d\n", max);
+		this.runOnUiThread(new Runnable() {
+				public void run() {
+					progress.setMax(max);
+					progress.setProgress(0);
+				}
+			});
+	}
+
+	public void loader_notify(final int cur, final int max, final String name) {
+		AltosDebug.debug("loader_notify cur %4d max %4d %s\n", cur, max, name);
+		this.runOnUiThread(new Runnable() {
+				public void run() {
+					progress.setProgress(cur);
+				}
+			});
+	}
+
+	public void loader_done(int max) {
+		AltosDebug.debug("loader_done max %d\n", max);
+		this.runOnUiThread(new Runnable() {
+				public void run() {
+					progress.setProgress(0);
+					finish();
+				}
+			});
+	}
+
+	/* AltosLaunchSiteListener interface */
+	public void notify_launch_sites(final List<AltosLaunchSite> sites) {
+		this.runOnUiThread(new Runnable() {
+				public void run() {
+					for (AltosLaunchSite site : sites)
+						known_sites_adapter.add(site);
+				}
+			});
+	}
+
+	AltosMap	map;
+	AltosMapLoader	loader;
+
+	class PreloadMapImage implements AltosImage {
+		public void flush() {
+		}
+
+		public PreloadMapImage(File file) {
+			AltosDebug.debug("preload file %s\n", file.toString());
+		}
+	}
+
+	public AltosMapPath new_path() {
+		return null;
+	}
+
+	public AltosMapLine new_line() {
+		return null;
+	}
+
+	public AltosImage load_image(File file) throws Exception {
+		return new PreloadMapImage(file);
+	}
+
+	public AltosMapMark new_mark(double lat, double lon, int state) {
+		return null;
+	}
+
+	class PreloadMapTile extends AltosMapTile {
+		public void paint(AltosMapTransform t) {
+		}
+
+		public PreloadMapTile(AltosMapTileListener listener, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
+			super(listener, upper_left, center, zoom, maptype, px_size, 2);
+		}
+
+	}
+
+	public AltosMapTile new_tile(AltosMapTileListener listener, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
+		return new PreloadMapTile(listener, upper_left, center, zoom, maptype, px_size);
+	}
+
+	public int width() {
+		return AltosMap.px_size;
+	}
+
+	public int height() {
+		return AltosMap.px_size;
+	}
+
+	public void repaint() {
+	}
+
+	public void repaint(AltosRectangle damage) {
+	}
+
+	public void set_zoom_label(String label) {
+		AltosDebug.debug("zoom label %s\n", label);
+	}
+
+	private double text(EditText view) throws ParseException {
+		return AltosParse.parse_double_locale(view.getEditableText().toString());
+	}
+
+	private double latitude() throws ParseException {
+		return text(latitude);
+	}
+
+	private double longitude() throws ParseException {
+		return text(longitude);
+	}
+
+	private int value(Spinner spinner) {
+		return (Integer) spinner.getSelectedItem();
+	}
+
+	private int min_z() {
+		return value(min_zoom);
+	}
+
+	private int max_z() {
+		return value(max_zoom);
+	}
+
+	private int radius() {
+		return value(tile_radius);
+	}
+
+	private int bit(CheckBox box, int value) {
+		if (box.isChecked())
+			return 1 << value;
+		return 0;
+	}
+
+	private int types() {
+		return (bit(hybrid, AltosMap.maptype_hybrid) |
+			bit(satellite, AltosMap.maptype_satellite) |
+			bit(roadmap, AltosMap.maptype_roadmap) |
+			bit(terrain, AltosMap.maptype_terrain));
+	}
+
+	private void load() {
+		try {
+			double	lat = latitude();
+			double	lon = longitude();
+			int	min = min_z();
+			int	max = max_z();
+			int	r = radius();
+			int	t = types();
+
+			AltosDebug.debug("load lat %12.6f lon %12.6f min %d max %d r %d types %x\n",
+					 lat, lon, min, max, r, t);
+			loader.load(lat, lon, min, max, r, t);
+		} catch (ParseException e) {
+		}
+	}
+
+	private void add_numbers(Spinner spinner, int min, int max, int def) {
+
+		ArrayAdapter<Integer> adapter = new ArrayAdapter<Integer>(this, android.R.layout.simple_spinner_item);
+
+		int	spinner_def = 0;
+		int	pos = 0;
+
+		for (int i = min; i <= max; i++) {
+			adapter.add(new Integer(i));
+			if (i == def)
+				spinner_def = pos;
+			pos++;
+		}
+
+		spinner.setAdapter(adapter);
+		spinner.setSelection(spinner_def);
+	}
+
+	class SiteListListener implements OnItemSelectedListener {
+		public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
+			AltosLaunchSite	site = (AltosLaunchSite) parent.getItemAtPosition(pos);
+			AltosDebug.debug("Site selected: %s\n", site.toString());
+
+			latitude.setText(new StringBuffer(String.format("%12.6f", site.latitude)));
+			longitude.setText(new StringBuffer(String.format("%12.6f", site.longitude)));
+		}
+		public void onNothingSelected(AdapterView<?> parent) {
+		}
+
+		public SiteListListener() {
+		}
+	}
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+
+		AltosDebug.debug("preload map onCreate");
+
+		// Setup the window
+		requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
+		setContentView(R.layout.map_preload);
+
+		// Set result CANCELED incase the user backs out
+		setResult(Activity.RESULT_CANCELED);
+
+		// Initialize the button to perform device discovery
+		Button loadButton = (Button) findViewById(R.id.preload_load);
+		loadButton.setOnClickListener(new OnClickListener() {
+			public void onClick(View v) {
+				load();
+			}
+		});
+
+		latitude = (EditText) findViewById(R.id.preload_latitude);
+		longitude = (EditText) findViewById(R.id.preload_longitude);
+
+		hybrid = (CheckBox) findViewById(R.id.preload_hybrid);
+		satellite = (CheckBox) findViewById(R.id.preload_satellite);
+		roadmap = (CheckBox) findViewById(R.id.preload_roadmap);
+		terrain = (CheckBox) findViewById(R.id.preload_terrain);
+
+		hybrid.setChecked(true);
+
+		min_zoom = (Spinner) findViewById(R.id.preload_min_zoom);
+		add_numbers(min_zoom,
+			    AltosMap.min_zoom - AltosMap.default_zoom,
+			    AltosMap.max_zoom - AltosMap.default_zoom, -2);
+		max_zoom = (Spinner) findViewById(R.id.preload_max_zoom);
+		add_numbers(max_zoom,
+			    AltosMap.min_zoom - AltosMap.default_zoom,
+			    AltosMap.max_zoom - AltosMap.default_zoom, 2);
+		tile_radius = (Spinner) findViewById(R.id.preload_tile_radius);
+		add_numbers(tile_radius, 1, 5, 3);
+
+		progress = (ProgressBar) findViewById(R.id.preload_progress);
+
+		// Initialize array adapters. One for already paired devices and
+		// one for newly discovered devices
+		Spinner known_sites_spinner = (Spinner) findViewById(R.id.preload_site_list);
+
+		known_sites_adapter = new ArrayAdapter<AltosLaunchSite>(this, android.R.layout.simple_spinner_item);
+
+		known_sites_adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+
+		known_sites_spinner.setAdapter(known_sites_adapter);
+		known_sites_spinner.setOnItemSelectedListener(new SiteListListener());
+
+		map = new AltosMap(this);
+
+		loader = new AltosMapLoader(map, this);
+
+		new AltosLaunchSites(this);
+	}
+
+	@Override
+	protected void onDestroy() {
+		super.onDestroy();
+	}
+}