Prepare for dropbox plugin

OsmAnd/res/values/strings.xml

@@ -9,6 +9,8 @@
          1. All your modified/created strings are in the top of the file (to make easier find what\'s translated).
     PLEASE: Have a look at http://code.google.com/p/osmand/wiki/UIConsistency, it may really improve your and our work  :-)  Thx - Hardy
     -->
+    <string name="dropbox_plugin_description">Dropbox plugin allows to synchronize tracks and video/audio notes with your dropbox account.</string>
+    <string name="dropbox_plugin_name">Dropbox plugin</string>
     <string name="animate_routing_using_gpx">Do you want to use existing GPX file?</string>
     <string name="intermediate_points_change_order">Change order</string>
     <string name="srtm_paid_version_msg">Please consider to buy the Contour lines plugin on the Market to support further development.</string>

OsmAnd/src/net/osmand/plus/OsmandSettings.java

@@ -104,10 +104,14 @@ public class OsmandSettings {
 		}
 	}
 	
-	private SharedPreferences getProfilePreferences(ApplicationMode mode){
+	public SharedPreferences getProfilePreferences(ApplicationMode mode){
 		return ctx.getSharedPreferences(getSharedPreferencesName(mode), Context.MODE_WORLD_READABLE);
 	}
 	
+	public SharedPreferences getGlobalPreferences(){
+		return ctx.getSharedPreferences(getSharedPreferencesName(null), Context.MODE_WORLD_READABLE);
+	}
+	
 	// this value string is synchronized with settings_pref.xml preference name
 	public final OsmandPreference<ApplicationMode> APPLICATION_MODE = new OsmandPreference<ApplicationMode>(){
 		@Override

OsmAnd/src/net/osmand/plus/dropbox/DropboxPlugin.java

@@ -0,0 +1,145 @@
+package net.osmand.plus.dropbox;
+
+import org.apache.commons.logging.Log;
+
+import net.osmand.LogUtil;
+import net.osmand.plus.OsmandApplication;
+import net.osmand.plus.OsmandPlugin;
+import net.osmand.plus.OsmandSettings;
+import net.osmand.plus.R;
+import net.osmand.plus.activities.MapActivity;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.net.Uri;
+
+import com.dropbox.client2.DropboxAPI;
+import com.dropbox.client2.DropboxAPI.Entry;
+import com.dropbox.client2.android.AndroidAuthSession;
+import com.dropbox.client2.android.AuthActivity;
+import com.dropbox.client2.exception.DropboxException;
+import com.dropbox.client2.session.AccessTokenPair;
+import com.dropbox.client2.session.AppKeyPair;
+import com.dropbox.client2.session.Session.AccessType;
+
+public class DropboxPlugin extends OsmandPlugin {
+
+	public static final String ID = "osmand.dropbox";
+	private static final Log log = LogUtil.getLog(DropboxPlugin.class);
+	private OsmandApplication app;
+	private DropboxAPI<AndroidAuthSession> mApi;
+	
+	final static private String APP_KEY = "CHANGE_ME";
+	final static private String APP_SECRET = "CHANGE_ME_SECRET";
+	final static private AccessType ACCESS_TYPE = AccessType.APP_FOLDER;
+	
+    final static private String ACCESS_KEY_NAME = "DROPBOX_ACCESS_KEY";
+    final static private String ACCESS_SECRET_NAME = "DROPBOX_ACCESS_SECRET";
+
+
+	@Override
+	public String getId() {
+		return ID;
+	}
+
+	public DropboxPlugin(OsmandApplication app) {
+		this.app = app;
+
+	}
+
+	@Override
+	public String getDescription() {
+		// TODO
+		return app.getString(R.string.osmodroid_plugin_description);
+	}
+
+	@Override
+	public String getName() {
+		// TODO
+		return app.getString(R.string.osmodroid_plugin_name);
+	}
+
+	@Override
+	public boolean init(final OsmandApplication app) {
+		this.app = app;
+        AndroidAuthSession session = buildSession();
+        mApi = new DropboxAPI<AndroidAuthSession>(session);
+		return true;
+	}
+	
+	public void syncFolders(){
+		try {
+			Entry f = mApi.createFolder("osmand");
+		} catch (DropboxException e) {
+		}
+	}
+	
+	private String[] getKeys() {
+		OsmandSettings set = app.getSettings();
+        SharedPreferences prefs = set.getGlobalPreferences();
+        String key = prefs.getString(ACCESS_KEY_NAME, null);
+        String secret = prefs.getString(ACCESS_SECRET_NAME, null);
+        if (key != null && secret != null) {
+        	String[] ret = new String[2];
+        	ret[0] = key;
+        	ret[1] = secret;
+        	return ret;
+        } else {
+        	return null;
+        }
+    }
+	
+	public void storeKeys(String key, String secret) {
+        // Save the access key for later
+		OsmandSettings set = app.getSettings();
+        SharedPreferences prefs = set.getGlobalPreferences();
+        prefs.edit().putString(ACCESS_KEY_NAME, key)
+        .putString(ACCESS_SECRET_NAME, secret).commit();
+    }
+
+	public void clearKeys() {
+        SharedPreferences prefs = app.getSettings().getGlobalPreferences();
+        prefs.edit().remove(ACCESS_KEY_NAME).remove(ACCESS_SECRET_NAME).commit();
+    }
+
+    private AndroidAuthSession buildSession() {
+        AppKeyPair appKeyPair = new AppKeyPair(APP_KEY, APP_SECRET);
+        AndroidAuthSession session;
+
+        String[] stored = getKeys();
+        if (stored != null) {
+            AccessTokenPair accessToken = new AccessTokenPair(stored[0], stored[1]);
+            session = new AndroidAuthSession(appKeyPair, ACCESS_TYPE, accessToken);
+        } else {
+            session = new AndroidAuthSession(appKeyPair, ACCESS_TYPE);
+        }
+
+        return session;
+    }
+    
+    private void checkAppKeySetup() {
+        // Check if the app has set up its manifest properly.
+        Intent testIntent = new Intent(Intent.ACTION_VIEW);
+        String scheme = "db-" + APP_KEY;
+        String uri = scheme + "://" + AuthActivity.AUTH_VERSION + "/test";
+        testIntent.setData(Uri.parse(uri));
+        PackageManager pm = app.getPackageManager();
+        if (0 == pm.queryIntentActivities(testIntent, 0).size()) {
+            log.warn("URL scheme in your app's " +
+                    "manifest is not set up correctly. You should have a " +
+                    "com.dropbox.client2.android.AuthActivity with the " +
+                    "scheme: " + scheme);
+        }
+    }
+
+	@Override
+	public void registerLayers(MapActivity activity) {
+
+	}
+	
+	@Override
+	public void disable(OsmandApplication app) {
+	}
+
+
+}