Merge "Introduce LocalTerminalPreferenceController"

        // quick settings developer tiles

        // usb debugging

        // revoke usb debugging authorizations

        // local terminal

        controllers.add(new LocalTerminalPreferenceController(context));

        // bug report shortcut

        // select mock location app

        // enable view attribute inspection

package com.android.settings.development;

import android.content.Context;

import android.content.pm.PackageManager;

import android.os.UserManager;

import android.support.annotation.VisibleForTesting;

import android.support.v14.preference.SwitchPreference;

import android.support.v7.preference.Preference;

import android.support.v7.preference.PreferenceScreen;

import com.android.settingslib.wrapper.PackageManagerWrapper;

public class LocalTerminalPreferenceController extends

        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener {

    private static final String ENABLE_TERMINAL_KEY = "enable_terminal";

    @VisibleForTesting

    static final String TERMINAL_APP_PACKAGE = "com.android.terminal";

    private PackageManagerWrapper mPackageManager;

    private SwitchPreference mPreference;

    private UserManager mUserManager;

    public LocalTerminalPreferenceController(Context context) {

        super(context);

        mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);

    }

    @Override

    public boolean isAvailable() {

        return isPackageInstalled(TERMINAL_APP_PACKAGE);

    }

    @Override

    public String getPreferenceKey() {

        return ENABLE_TERMINAL_KEY;

    }

    @Override

    public void displayPreference(PreferenceScreen screen) {

        super.displayPreference(screen);

        mPreference = (SwitchPreference) screen.findPreference(getPreferenceKey());

        mPackageManager = getPackageManagerWrapper();

        if (isAvailable() && !isEnabled()) {

            mPreference.setEnabled(false);

        }

    }

    @Override

    public boolean onPreferenceChange(Preference preference, Object newValue) {

        final boolean terminalEnabled = (Boolean) newValue;

        mPackageManager.setApplicationEnabledSetting(TERMINAL_APP_PACKAGE,

                terminalEnabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED

                        : PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0 /* flags */);

        return true;

    }

    @Override

    public void updateState(Preference preference) {

        final boolean isTerminalEnabled = mPackageManager.getApplicationEnabledSetting(

                TERMINAL_APP_PACKAGE) == PackageManager.COMPONENT_ENABLED_STATE_ENABLED;

        mPreference.setChecked(isTerminalEnabled);

    }

    @Override

    protected void onDeveloperOptionsSwitchEnabled() {

        if (isEnabled()) {

            mPreference.setEnabled(true);

        }

    }

    @Override

    protected void onDeveloperOptionsSwitchDisabled() {

        mPackageManager.setApplicationEnabledSetting(TERMINAL_APP_PACKAGE,

                PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0 /* flags */);

        mPreference.setEnabled(false);

        mPreference.setChecked(false);

    }

    @VisibleForTesting

    PackageManagerWrapper getPackageManagerWrapper() {

        return new PackageManagerWrapper(mContext.getPackageManager());

    }

    private boolean isPackageInstalled(String packageName) {

        try {

            return mContext.getPackageManager().getPackageInfo(packageName, 0 /* flags */) != null;

        } catch (PackageManager.NameNotFoundException e) {

            return false;

        }

    }

    private boolean isEnabled() {

        return mUserManager.isAdminUser();

    }

}

/*

 * Copyright (C) 2017 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.development;

import static com.android.settings.development.LocalTerminalPreferenceController

        .TERMINAL_APP_PACKAGE;

import static org.mockito.Mockito.doReturn;

import static org.mockito.Mockito.never;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;

import android.content.Context;

import android.content.pm.PackageManager;

import android.os.UserManager;

import android.support.v14.preference.SwitchPreference;

import android.support.v7.preference.PreferenceScreen;

import com.android.settings.TestConfig;

import com.android.settings.testutils.SettingsRobolectricTestRunner;

import com.android.settingslib.wrapper.PackageManagerWrapper;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

import org.robolectric.annotation.Config;

@RunWith(SettingsRobolectricTestRunner.class)

@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)

public class LocalTerminalPreferenceControllerTest {

    @Mock

    private Context mContext;

    @Mock

    private SwitchPreference mPreference;

    @Mock

    private PreferenceScreen mPreferenceScreen;

    @Mock

    private UserManager mUserManager;

    @Mock

    private PackageManagerWrapper mPackageManagerWrapper;

    private LocalTerminalPreferenceController mController;

    @Before

    public void setup() {

        MockitoAnnotations.initMocks(this);

        when(mContext.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);

        when(mUserManager.isAdminUser()).thenReturn(true);

        mController = spy(new LocalTerminalPreferenceController(mContext));

        doReturn(true).when(mController).isAvailable();

        doReturn(mPackageManagerWrapper).when(mController).getPackageManagerWrapper();

        when(mPreferenceScreen.findPreference(mController.getPreferenceKey())).thenReturn(

                mPreference);

        mController.displayPreference(mPreferenceScreen);

    }

    @Test

    public void displayPreference_shouldDisablePreferenceWhenNotAdmin() {

        when(mUserManager.isAdminUser()).thenReturn(false);

        mController.displayPreference(mPreferenceScreen);

        verify(mPreference).setEnabled(false);

    }

    @Test

    public void onPreferenceChanged_turnOnTerminal() {

        mController.onPreferenceChange(null, true);

        verify(mPackageManagerWrapper).setApplicationEnabledSetting(TERMINAL_APP_PACKAGE,

                PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 0);

    }

    @Test

    public void onPreferenceChanged_turnOffTerminal() {

        mController.onPreferenceChange(null, false);

        verify(mPackageManagerWrapper).setApplicationEnabledSetting(TERMINAL_APP_PACKAGE,

                PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);

    }

    @Test

    public void updateState_preferenceShouldBeChecked() {

        when(mPackageManagerWrapper.getApplicationEnabledSetting(TERMINAL_APP_PACKAGE)).thenReturn(

                PackageManager.COMPONENT_ENABLED_STATE_ENABLED);

        mController.updateState(mPreference);

        verify(mPreference).setChecked(true);

    }

    @Test

    public void updateState_preferenceShouldNotBeChecked() {

        when(mPackageManagerWrapper.getApplicationEnabledSetting(TERMINAL_APP_PACKAGE)).thenReturn(

                PackageManager.COMPONENT_ENABLED_STATE_DEFAULT);

        mController.updateState(mPreference);

        verify(mPreference).setChecked(false);

    }

    @Test

    public void onDeveloperOptionsSwitchDisabled_shouldDisablePreference() {

        mController.onDeveloperOptionsSwitchDisabled();

        verify(mPackageManagerWrapper).setApplicationEnabledSetting(TERMINAL_APP_PACKAGE,

                PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 0);

        verify(mPreference).setChecked(false);

        verify(mPreference).setEnabled(false);

    }

    @Test

    public void onDeveloperOptionsSwitchEnabled_shouldDoNothingWhenNotAdmin() {

        when(mUserManager.isAdminUser()).thenReturn(false);

        mController.onDeveloperOptionsSwitchDisabled();

        verify(mPreference, never()).setEnabled(true);

    }

    @Test

    public void onDeveloperOptionsSwitchEnabled_preferenceShouldBeEnabledWhenAdmin() {

        mController.onDeveloperOptionsSwitchEnabled();

        verify(mPreference).setEnabled(true);

    }

}