Removing the ActiveNetworkScorerDialog.

/*

 * Copyright (C) 2014 The Android Open Source 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

 */

package com.android.settings;

import android.content.Context;

import android.content.DialogInterface;

import android.content.Intent;

import android.net.NetworkScoreManager;

import android.net.NetworkScorerAppManager;

import android.net.NetworkScorerAppManager.NetworkScorerAppData;

import android.os.Bundle;

import android.os.UserHandle;

import android.text.TextUtils;

import android.util.Log;

import com.android.internal.app.AlertActivity;

import com.android.internal.app.AlertController;

/**

 * Dialog to allow a user to select a new network scorer.

 *

 * <p>Finishes with {@link #RESULT_CANCELED} in all circumstances unless the scorer is successfully

 * changed or was already set to the new value (in which case it finishes with {@link #RESULT_OK}).

 */

public final class ActiveNetworkScorerDialog extends AlertActivity implements

        DialogInterface.OnClickListener {

    private static final String TAG = "ActiveNetScorerDlg";

    private String mNewPackageName;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        Intent intent = getIntent();

        mNewPackageName = intent.getStringExtra(NetworkScoreManager.EXTRA_PACKAGE_NAME);

        if (!buildDialog()) {

            finish();

        }

    }

    @Override

    public void onClick(DialogInterface dialog, int which) {

        switch (which) {

            case BUTTON_POSITIVE:

                NetworkScoreManager nsm =

                    (NetworkScoreManager) getSystemService(Context.NETWORK_SCORE_SERVICE);

                if (nsm.setActiveScorer(mNewPackageName)) {

                    setResult(RESULT_OK);

                }

                break;

            case BUTTON_NEGATIVE:

                break;

        }

    }

    private boolean buildDialog() {

        // TOOD: http://b/23422763

        if (UserHandle.myUserId() != UserHandle.USER_SYSTEM) {

            Log.i(TAG, "Can only set scorer for owner/system user.");

            return false;

        }

        NetworkScorerAppManager networkScorerAppManager = new NetworkScorerAppManager(this);

        NetworkScorerAppData newScorer = networkScorerAppManager.getScorer(mNewPackageName);

        if (newScorer == null) {

            Log.e(TAG, "New package " + mNewPackageName + " is not a valid scorer.");

            return false;

        }

        NetworkScorerAppData oldScorer = networkScorerAppManager.getActiveScorer();

        if (oldScorer != null && TextUtils.equals(oldScorer.mPackageName, mNewPackageName)) {

            Log.i(TAG, "New package " + mNewPackageName + " is already the active scorer.");

            // Set RESULT_OK to indicate to the caller that the "switch" was successful.

            setResult(RESULT_OK);

            return false;

        }

        // Compose dialog.

        CharSequence newName = newScorer.mScorerName;

        final AlertController.AlertParams p = mAlertParams;

        p.mTitle = getString(R.string.network_scorer_change_active_dialog_title);

        if (oldScorer != null) {

            p.mMessage = getString(R.string.network_scorer_change_active_dialog_text, newName,

                    oldScorer.mScorerName);

        } else {

            p.mMessage = getString(R.string.network_scorer_change_active_no_previous_dialog_text,

                    newName);

        }

        p.mPositiveButtonText = getString(R.string.yes);

        p.mNegativeButtonText = getString(R.string.no);

        p.mPositiveButtonListener = this;

        p.mNegativeButtonListener = this;

        setupAlert();

        return true;

    }

}