AppLauncherManagerImpl.java

/*******************************************************************************
 *  Code contributed to the webinos project
 *
 * 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.
 *
 * Copyright 2011-2012 Andre Paul
 *
 ******************************************************************************/

package org.webinos.android.impl;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.Set;

import org.meshpoint.anode.AndroidContext;
import org.meshpoint.anode.module.IModule;
import org.meshpoint.anode.module.IModuleContext;
import org.webinos.api.DeviceAPIError;

import org.webinos.api.applauncher.AppLauncherManager;
import org.webinos.api.applauncher.AppLauncherCallback;
import org.webinos.api.applauncher.AppLauncherErrorCallback;

import android.Manifest;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.util.Log;
import android.net.Uri;
import org.webinos.android.R;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Formatter;

public class AppLauncherManagerImpl extends AppLauncherManager implements
		IModule {

	IModuleContext ctx;
	private Context androidContext;

	private static final String TAG = "org.webinos.android.impl.AppLauncherManagerImpl";

	public static String SHAsum(byte[] convertme)
			throws NoSuchAlgorithmException {
		MessageDigest md = MessageDigest.getInstance("SHA-1");
		return byteArray2Hex(md.digest(convertme));
	}

	private static String byteArray2Hex(final byte[] hash) {
		Formatter formatter = new Formatter();
		for (byte b : hash) {
			formatter.format("%02x", b);
		}
		return formatter.toString();
	}

	@Override
	public void launchApplication(AppLauncherCallback successCallback,
			AppLauncherErrorCallback errorCallback, String app) {

		Log.v("AppLauncherManagerImpl", "launchApplication");
		Log.v("AppLauncherManagerImpl", app);

		// preserve launching from localhost
		if (app.toLowerCase().contains("localhost")) {
			try {
				Intent i = new Intent(Intent.ACTION_VIEW);
				i.setData(Uri.parse(app));
				i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
				androidContext.startActivity(i);
				successCallback.handleEvent("");
			} catch (Exception e) {
				errorCallback.handleEvent("");
			}
		}
		// widget launching...
		else {
			try {
				Intent wrtIntent = new Intent("org.webinos.android.wrt.START");
				wrtIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
				// todo: interface the widget manager instead of generating hash
				// manually
				wrtIntent.putExtra("id", SHAsum(app.getBytes()));
				androidContext.startActivity(wrtIntent);
				successCallback.handleEvent("");
			} catch (Exception e) {
				errorCallback.handleEvent("");
			}
		}
	}

	public Object startModule(IModuleContext ctx) {
		Log.v(TAG, "AppLauncherManager: startModule");
		this.ctx = ctx;
		androidContext = ((AndroidContext) ctx).getAndroidContext();

		return this;
	}

	public void stopModule() {
		Log.v(TAG, "AppLauncherManager: stopModule");
	}
}