PluginReceiver.java

/*
 * ttrss-reader-fork for Android
 *
 * Copyright (C) 2010 Nils Braden
 * Copyright 2013 two forty four a.m. LLC <http://www.twofortyfouram.com>
 *
 * 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.ttrssreader.imageCache;

import org.ttrssreader.controllers.Controller;
import org.ttrssreader.imageCache.bundle.BundleScrubber;
import org.ttrssreader.imageCache.bundle.PluginBundleManager;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;

/**
 * This is the "fire" BroadcastReceiver for a Locale Plug-in setting.
 *
 * @see com.twofortyfouram.locale.Intent#ACTION_FIRE_SETTING
 * @see com.twofortyfouram.locale.Intent#EXTRA_BUNDLE
 */
public final class PluginReceiver extends BroadcastReceiver {

	private static final String TAG = PluginReceiver.class.getSimpleName();

	private static final String ACTION_FIRE_SETTING = "com.twofortyfouram.locale.intent.action.FIRE_SETTING";
	public static final String EXTRA_BUNDLE = "com.twofortyfouram.locale.intent.extra.BUNDLE";

	/**
	 * @param context {@inheritDoc}.
	 * @param intent  the incoming {@link com.twofortyfouram.locale.Intent#ACTION_FIRE_SETTING} Intent. This
	 *                should contain the {@link com.twofortyfouram.locale.Intent#EXTRA_BUNDLE} that was saved by
	 *                {@link org.ttrssreader.gui.EditPluginActivity} and later broadcast by Locale.
	 */
	@Override
	public void onReceive(final Context context, final Intent intent) {
		/*
		 * Always be strict on input parameters! A malicious third-party app could send a malformed Intent.
		 */
		if (!ACTION_FIRE_SETTING.equals(intent.getAction())) {
			Log.e(TAG, "Received unexpected Intent action " + intent.getAction());
			return;
		}

		BundleScrubber.scrub(intent);

		final Bundle bundle = intent.getBundleExtra(EXTRA_BUNDLE);
		BundleScrubber.scrub(bundle);

		if (!PluginBundleManager.isBundleValid(bundle)) {
			Log.e(TAG, "Received invalid Bundle for action " + intent.getAction());
			return;
		}

		Controller.getInstance().setHeadless(true);

		final boolean images = bundle.getBoolean(PluginBundleManager.BUNDLE_EXTRA_IMAGES);
		final boolean notification = bundle.getBoolean(PluginBundleManager.BUNDLE_EXTRA_NOTIFICATION);

		Intent serviceIntent;
		if (images) {
			serviceIntent = new Intent(ForegroundService.ACTION_LOAD_IMAGES);
		} else {
			serviceIntent = new Intent(ForegroundService.ACTION_LOAD_ARTICLES);
		}
		serviceIntent.setClass(context, ForegroundService.class);
		serviceIntent.putExtra(ForegroundService.PARAM_SHOW_NOTIFICATION, notification);
		context.startService(serviceIntent);
	}

}