Merge "Update the requirements for being an SMS app in KLP" into klp-dev

package com.android.internal.telephony;

import android.Manifest.permission;

import android.app.AppOpsManager;

import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.content.pm.ActivityInfo;

import android.content.pm.PackageManager;

import android.content.pm.ResolveInfo;

import android.content.pm.ServiceInfo;

import android.content.res.Resources;

import android.net.Uri;

import android.provider.Settings;

import android.provider.Telephony.Sms.Intents;

import android.telephony.TelephonyManager;

import java.util.Collection;

import java.util.HashMap;

        public String mPackageName;

        /**

         * The class name of the SMS receiver in this app.

         * The class name of the SMS_DELIVER_ACTION receiver in this app.

         */

        public String mSmsReceiverClass;

        /**

         * The class name of the MMS receiver in this app.

         * The class name of the WAP_PUSH_DELIVER_ACTION receiver in this app.

         */

        public String mMmsReceiverClass;

        /**

         * The class name of the ACTION_RESPOND_VIA_MESSAGE intent in this app.

         */

        public String mRespondViaMessageClass;

        /**

         * The class name of the ACTION_SENDTO intent in this app.

         */

        public String mSendToClass;

        /**

         * The user-id for this application

         */

        public int mUid;

        public SmsApplicationData(String applicationName, String packageName,

                String smsReceiverName, String mmsReceiverName, int uid) {

        /**

         * Returns true if this SmsApplicationData is complete (all intents handled).

         * @return

         */

        public boolean isComplete() {

            return (mSmsReceiverClass != null && mMmsReceiverClass != null

                    && mRespondViaMessageClass != null && mSendToClass != null);

        }

        public SmsApplicationData(String applicationName, String packageName, int uid) {

            mApplicationName = applicationName;

            mPackageName = packageName;

            mSmsReceiverClass = smsReceiverName;

            mMmsReceiverClass = mmsReceiverName;

            mUid = uid;

        }

    }

     * Returns the list of available SMS apps defined as apps that are registered for both the

     * SMS_RECEIVED_ACTION (SMS) and WAP_PUSH_RECEIVED_ACTION (MMS) broadcasts (and their broadcast

     * receivers are enabled)

     *

     * Requirements to be an SMS application:

     * Implement SMS_DELIVER_ACTION broadcast receiver.

     * Require BROADCAST_SMS permission.

     *

     * Implement WAP_PUSH_DELIVER_ACTION broadcast receiver.

     * Require BROADCAST_WAP_PUSH permission.

     *

     * Implement RESPOND_VIA_MESSAGE intent.

     * Support smsto Uri scheme.

     * Require SEND_RESPOND_VIA_MESSAGE permission.

     *

     * Implement ACTION_SENDTO intent.

     * Support smsto Uri scheme.

     */

    public static Collection<SmsApplicationData> getApplicationCollection(Context context) {

        PackageManager packageManager = context.getPackageManager();

        // Get the list of apps registered for SMS

        Intent intent = new Intent(Intents.SMS_DELIVER_ACTION);

        int flags = 0;

        List<ResolveInfo> smsReceivers = packageManager.queryBroadcastReceivers(intent, flags);

        intent = new Intent(Intents.WAP_PUSH_DELIVER_ACTION);

        intent.setDataAndType(null, "application/vnd.wap.mms-message");

        List<ResolveInfo> mmsReceivers = packageManager.queryBroadcastReceivers(intent, flags);

        List<ResolveInfo> smsReceivers = packageManager.queryBroadcastReceivers(intent, 0);

        HashMap<String, SmsApplicationData> receivers = new HashMap<String, SmsApplicationData>();

        // Add one entry to the map for every sms receiver (ignoring duplicate sms receivers)

        for (ResolveInfo r : smsReceivers) {

            String packageName = r.activityInfo.packageName;

        for (ResolveInfo resolveInfo : smsReceivers) {

            final ActivityInfo activityInfo = resolveInfo.activityInfo;

            if (activityInfo == null) {

                continue;

            }

            if (!permission.BROADCAST_SMS.equals(activityInfo.permission)) {

                continue;

            }

            final String packageName = activityInfo.packageName;

            if (!receivers.containsKey(packageName)) {

                String applicationName = r.loadLabel(packageManager).toString();

                SmsApplicationData smsApplicationData = new SmsApplicationData(applicationName,

                        packageName, r.activityInfo.name, null, r.activityInfo.applicationInfo.uid);

                final String applicationName = resolveInfo.loadLabel(packageManager).toString();

                final SmsApplicationData smsApplicationData = new SmsApplicationData(

                        applicationName, packageName, activityInfo.applicationInfo.uid);

                smsApplicationData.mSmsReceiverClass = activityInfo.name;

                receivers.put(packageName, smsApplicationData);

            }

        }

        // Update any existing entries with mms receiver class

        for (ResolveInfo r : mmsReceivers) {

            String packageName = r.activityInfo.packageName;

            SmsApplicationData smsApplicationData = receivers.get(packageName);

        intent = new Intent(Intents.WAP_PUSH_DELIVER_ACTION);

        intent.setDataAndType(null, "application/vnd.wap.mms-message");

        List<ResolveInfo> mmsReceivers = packageManager.queryBroadcastReceivers(intent, 0);

        for (ResolveInfo resolveInfo : mmsReceivers) {

            final ActivityInfo activityInfo = resolveInfo.activityInfo;

            if (activityInfo == null) {

                continue;

            }

            if (!permission.BROADCAST_WAP_PUSH.equals(activityInfo.permission)) {

                continue;

            }

            final String packageName = activityInfo.packageName;

            final SmsApplicationData smsApplicationData = receivers.get(packageName);

            if (smsApplicationData != null) {

                smsApplicationData.mMmsReceiverClass = activityInfo.name;

            }

        }

        // Update any existing entries with respond via message intent class.

        intent = new Intent(TelephonyManager.ACTION_RESPOND_VIA_MESSAGE,

                Uri.fromParts("smsto", "", null));

        List<ResolveInfo> respondServices = packageManager.queryIntentServices(intent, 0);

        for (ResolveInfo resolveInfo : respondServices) {

            final ServiceInfo serviceInfo = resolveInfo.serviceInfo;

            if (serviceInfo == null) {

                continue;

            }

            if (!permission.SEND_RESPOND_VIA_MESSAGE.equals(serviceInfo.permission)) {

                continue;

            }

            final String packageName = serviceInfo.packageName;

            final SmsApplicationData smsApplicationData = receivers.get(packageName);

            if (smsApplicationData != null) {

                smsApplicationData.mRespondViaMessageClass = serviceInfo.name;

            }

        }

        // Update any existing entries with supports send to.

        intent = new Intent(Intent.ACTION_SENDTO,

                Uri.fromParts("smsto", "", null));

        List<ResolveInfo> sendToActivities = packageManager.queryIntentActivities(intent, 0);

        for (ResolveInfo resolveInfo : sendToActivities) {

            final ActivityInfo activityInfo = resolveInfo.activityInfo;

            if (activityInfo == null) {

                continue;

            }

            final String packageName = activityInfo.packageName;

            final SmsApplicationData smsApplicationData = receivers.get(packageName);

            if (smsApplicationData != null) {

                smsApplicationData.mMmsReceiverClass = r.activityInfo.name;

                smsApplicationData.mSendToClass = activityInfo.name;

            }

        }

        // Remove any entries (which we added for sms receivers) for which we did not also find

        // valid mms receivers

        // Remove any entries for which we did not find all required intents.

        for (ResolveInfo r : smsReceivers) {

            String packageName = r.activityInfo.packageName;

            SmsApplicationData smsApplicationData = receivers.get(packageName);

            if (smsApplicationData != null && smsApplicationData.mMmsReceiverClass == null) {

            if (smsApplicationData != null) {

                if (!smsApplicationData.isComplete()) {

                    receivers.remove(packageName);

                }

            }

        }

        return receivers.values();

    }

        }

        return component;

    }

    /**

     * Gets the default Respond Via Message application

     * @param context context from the calling app

     * @param updateIfNeeded update the default app if there is no valid default app configured.

     * @return component name of the app and class to direct Respond Via Message intent to

     */

    public static ComponentName getDefaultRespondViaMessageApplication(Context context,

            boolean updateIfNeeded) {

        ComponentName component = null;

        SmsApplicationData smsApplicationData = getApplication(context, updateIfNeeded);

        if (smsApplicationData != null) {

            component = new ComponentName(smsApplicationData.mPackageName,

                    smsApplicationData.mRespondViaMessageClass);

        }

        return component;

    }

    /**

     * Gets the default Send To (smsto) application

     * @param context context from the calling app

     * @param updateIfNeeded update the default app if there is no valid default app configured.

     * @return component name of the app and class to direct SEND_TO (smsto) intent to

     */

    public static ComponentName getDefaultSendToApplication(Context context,

            boolean updateIfNeeded) {

        ComponentName component = null;

        SmsApplicationData smsApplicationData = getApplication(context, updateIfNeeded);

        if (smsApplicationData != null) {

            component = new ComponentName(smsApplicationData.mPackageName,

                    smsApplicationData.mSendToClass);

        }

        return component;

    }

}