user registration/signing in refactoring (in progress)

src/org/geometerplus/android/fbreader/network/MenuActivity.java

@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2010-2011 Geometer Plus <contact@geometerplus.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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+package org.geometerplus.android.fbreader.network;
+
+import java.util.*;
+
+import android.app.ListActivity;
+import android.content.Intent;
+import android.content.ActivityNotFoundException;
+import android.os.Bundle;
+import android.view.*;
+import android.widget.*;
+
+import org.geometerplus.zlibrary.ui.android.R;
+
+import org.geometerplus.android.fbreader.api.PluginApi;
+
+abstract class MenuActivity extends ListActivity implements AdapterView.OnItemClickListener {
+	protected List<PluginApi.MenuActionInfo> myInfos;
+
+	@Override
+	protected void onCreate(Bundle icicle) {
+		super.onCreate(icicle);
+		myInfos = new ArrayList<PluginApi.MenuActionInfo>();
+
+		init();
+
+		try {
+			startActivityForResult(new Intent(getAction(), getIntent().getData()), 0);
+		} catch (ActivityNotFoundException e) {
+			if (myInfos.size() == 1) {
+				runItem(myInfos.get(0));
+			}
+			finish();
+			return;
+		}
+
+		setListAdapter(new ActionListAdapter());
+		getListView().setOnItemClickListener(this);
+	}
+
+	public final void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+		runItem(myInfos.get(position));
+		finish();
+	}
+
+	@Override
+	protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
+		if (intent != null) {
+			final List<PluginApi.MenuActionInfo> actions =
+				intent.<PluginApi.MenuActionInfo>getParcelableArrayListExtra(
+					PluginApi.PluginInfo.KEY
+				);
+			if (actions != null) {
+				myInfos.addAll(actions);
+			}
+			if (myInfos.size() == 0) {
+				finish();
+				return;
+			} else if (myInfos.size() == 1) {
+				runItem(myInfos.get(0));
+				finish();
+				return;
+			}
+			Collections.sort(myInfos);
+			((ActionListAdapter)getListAdapter()).notifyDataSetChanged();
+			getListView().invalidateViews();
+		}
+	}
+
+	protected abstract void init();
+	protected abstract String getAction();
+	protected abstract void runItem(final PluginApi.MenuActionInfo info);
+
+	private class ActionListAdapter extends BaseAdapter {
+		public final int getCount() {
+			return myInfos.size();
+		}
+
+		public final PluginApi.MenuActionInfo getItem(int position) {
+			return myInfos.get(position);
+		}
+
+		public final long getItemId(int position) {
+			return position;
+		}
+
+		public View getView(int position, View convertView, final ViewGroup parent) {
+			final View view = convertView != null
+				? convertView
+				: LayoutInflater.from(parent.getContext()).inflate(R.layout.menu_item, parent, false);
+			((TextView)view).setText(getItem(position).MenuItemName);
+			return view;
+		}
+	}
+}