MenuIntentOptionsWithIcons.java

/* 
 * Copyright (C) 2008 OpenIntents.org
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.openintents.util;

import java.util.List;

import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.view.Menu;
import android.view.MenuItem;

/**
 * Adds intent options with icons.
 * 
 * This code is retrieved from this message:
 * http://groups.google.com/group/android-developers/browse_frm/thread/3fed25cdda765b02
 * 
 */
public class MenuIntentOptionsWithIcons {

	Context mContext;
	Menu mMenu;

	public MenuIntentOptionsWithIcons(Context context, Menu menu) {
		mContext = context;
		mMenu = menu;
	}

	public int addIntentOptions(int group, int id, int categoryOrder,
			ComponentName caller, Intent[] specifics, Intent intent, int flags,
			MenuItem[] outSpecificItems) {
		PackageManager pm = mContext.getPackageManager();
		final List<ResolveInfo> lri = pm.queryIntentActivityOptions(caller,
				specifics, intent, 0);
		final int N = lri != null ? lri.size() : 0;
		if ((flags & Menu.FLAG_APPEND_TO_GROUP) == 0) {
			mMenu.removeGroup(group);
		}
		for (int i = 0; i < N; i++) {
			final ResolveInfo ri = lri.get(i);
			Intent rintent = new Intent(ri.specificIndex < 0 ? intent
					: specifics[ri.specificIndex]);
			rintent.setComponent(new ComponentName(
					ri.activityInfo.applicationInfo.packageName,
					ri.activityInfo.name));
			final MenuItem item = mMenu.add(group, id, categoryOrder,
					ri.loadLabel(pm)).setIcon(ri.loadIcon(pm)).setIntent(
					rintent);
			if (outSpecificItems != null && ri.specificIndex >= 0) {
				outSpecificItems[ri.specificIndex] = item;
			}
		}
		return N;
	}
}