Introduce AdbPreferenceController

- Create new AdbPreferenceController
 - Create AdbOnChangeListener interface for adb change callbacks
 - Create EnableAdbSettingWarningDialog
 - Create controller inside the DashboardFragment
 - Port logic from DevelopmentSettings into the controller
 - Add deprecated annotation to EnableAdbPreferenceController

Bug: 34203528
Test: make RunSettingsRoboTests -j40
Change-Id: Id57146149943d770bf5ccc9ed5ecc6ea9d8ae66c

tests/robotests/src/com/android/settings/development/AdbPreferenceControllerTest.java

@@ -0,0 +1,152 @@
+/*
+ * 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.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.os.UserManager;
+import android.provider.Settings;
+import android.support.v14.preference.SwitchPreference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class AdbPreferenceControllerTest {
+    @Mock
+    private Context mContext;
+    @Mock
+    private SwitchPreference mPreference;
+    @Mock
+    private PreferenceScreen mPreferenceScreen;
+    @Mock
+    private UserManager mUserManager;
+    @Mock
+    private DevelopmentSettingsDashboardFragment mFragment;
+
+    private ContentResolver mContentResolver;
+    private AdbPreferenceController mController;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mContentResolver = RuntimeEnvironment.application.getContentResolver();
+        mController = new AdbPreferenceController(mContext, mFragment);
+        when(mContext.getSystemService(UserManager.class)).thenReturn(mUserManager);
+        when(mContext.getContentResolver()).thenReturn(mContentResolver);
+        when(mPreferenceScreen.findPreference(mController.getPreferenceKey())).thenReturn(
+                mPreference);
+        mController.displayPreference(mPreferenceScreen);
+    }
+
+    @Test
+    public void isAvailable_notAdmin_shouldBeFalse() {
+        when(mUserManager.isAdminUser()).thenReturn(false);
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isAvailable_isAdmin_shouldBeTrue() {
+        when(mUserManager.isAdminUser()).thenReturn(true);
+
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void onPreferenceChanged_settingDisabled_shouldTurnOffAdb() {
+        when(mContext.getApplicationContext()).thenReturn(RuntimeEnvironment.application);
+        mController.onPreferenceChange(null, false);
+
+        final int mode = Settings.System.getInt(mContentResolver,
+                Settings.Global.ADB_ENABLED, -1);
+
+        assertThat(mode).isEqualTo(AdbPreferenceController.ADB_SETTING_OFF);
+    }
+
+    @Test
+    public void updateState_settingEnabled_preferenceShouldBeChecked() {
+        Settings.System.putInt(mContentResolver, Settings.Global.ADB_ENABLED,
+                AdbPreferenceController.ADB_SETTING_ON);
+        mController.updateState(mPreference);
+
+        verify(mPreference).setChecked(true);
+    }
+
+    @Test
+    public void updateState_settingDisabled_preferenceShouldNotBeChecked() {
+        Settings.System.putInt(mContentResolver, Settings.Global.ADB_ENABLED,
+                AdbPreferenceController.ADB_SETTING_OFF);
+        mController.updateState(mPreference);
+
+        verify(mPreference).setChecked(false);
+    }
+
+    @Test
+    public void onDeveloperOptionsDisabled_shouldDisablePreference() {
+        when(mContext.getApplicationContext()).thenReturn(RuntimeEnvironment.application);
+        when(mUserManager.isAdminUser()).thenReturn(true);
+        mController.onDeveloperOptionsDisabled();
+        final int mode = Settings.System.getInt(mContentResolver,
+                Settings.Global.ADB_ENABLED, -1);
+
+        assertThat(mode).isEqualTo(AdbPreferenceController.ADB_SETTING_OFF);
+        verify(mPreference).setEnabled(false);
+        verify(mPreference).setChecked(false);
+    }
+
+    @Test
+    public void onDeveloperOptionsEnabled_shouldEnablePreference() {
+        when(mUserManager.isAdminUser()).thenReturn(true);
+        mController.onDeveloperOptionsEnabled();
+
+        verify(mPreference).setEnabled(true);
+    }
+
+    @Test
+    public void onAdbDialogConfirmed_shouldEnableAdbSetting() {
+        mController.onAdbDialogConfirmed();
+        final int mode = Settings.System.getInt(mContentResolver,
+                Settings.Global.ADB_ENABLED, -1);
+
+        assertThat(mode).isEqualTo(AdbPreferenceController.ADB_SETTING_ON);
+    }
+
+    @Test
+    public void onAdbDialogDismissed_preferenceShouldNotBeChecked() {
+        Settings.System.putInt(mContentResolver, Settings.Global.ADB_ENABLED,
+                AdbPreferenceController.ADB_SETTING_OFF);
+        mController.onAdbDialogDismissed();
+
+        verify(mPreference).setChecked(false);
+    }
+}