Add a developer setting for conversation enforcement

Test: Robo tests
Fixes: 152907434
Change-Id: I4e16faf817349993a98955601829d1ad22fa3921

res/xml/development_settings.xml

@@ -577,6 +577,11 @@
             android:title="@string/show_notification_channel_warnings"
             android:summary="@string/show_notification_channel_warnings_summary" />
 
+        <SwitchPreference
+            android:key="enforce_shortcuts_for_conversations"
+            android:title="@string/enforce_shortcuts_for_conversations"
+            android:summary="@string/enforce_shortcuts_for_conversations_summary" />
+
         <SwitchPreference
             android:key="asst_capability_prioritizer"
             android:title="@string/asst_capability_prioritizer_title"

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -501,6 +501,7 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
         controllers.add(new ShowFirstCrashDialogPreferenceController(context));
         controllers.add(new AppsNotRespondingPreferenceController(context));
         controllers.add(new NotificationChannelWarningsPreferenceController(context));
+        controllers.add(new EnforceConversationShortcutsPreferenceController(context));
         controllers.add(new AllowAppsOnExternalPreferenceController(context));
         controllers.add(new ResizableActivityPreferenceController(context));
         controllers.add(new FreeformWindowsPreferenceController(context));

src/com/android/settings/development/EnforceConversationShortcutsPreferenceController.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2020 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 android.content.Context;
+import android.os.Build;
+import android.provider.Settings;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.Preference;
+import androidx.preference.SwitchPreference;
+
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
+public class EnforceConversationShortcutsPreferenceController extends
+        DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+        PreferenceControllerMixin {
+
+    private static final String KEY =
+            "enforce_shortcuts_for_conversations";
+
+    @VisibleForTesting
+    final static int SETTING_VALUE_ON = 1;
+    @VisibleForTesting
+    final static int SETTING_VALUE_OFF = 0;
+
+    final static int DEFAULT_VALUE = SETTING_VALUE_OFF;
+
+    public EnforceConversationShortcutsPreferenceController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        final boolean isEnabled = (Boolean) newValue;
+        Settings.Global.putInt(mContext.getContentResolver(),
+                Settings.Global.REQUIRE_SHORTCUTS_FOR_CONVERSATIONS,
+                isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF);
+        return true;
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        final int mode = Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.REQUIRE_SHORTCUTS_FOR_CONVERSATIONS, DEFAULT_VALUE);
+        ((SwitchPreference) mPreference).setChecked(mode != SETTING_VALUE_OFF);
+    }
+}

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

@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2020 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.EnforceConversationShortcutsPreferenceController.SETTING_VALUE_OFF;
+import static com.android.settings.development.EnforceConversationShortcutsPreferenceController.SETTING_VALUE_ON;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class EnforceConversationShortcutsPreferenceControllerTest {
+
+    @Mock
+    private SwitchPreference mPreference;
+    @Mock
+    private PreferenceScreen mScreen;
+
+    private Context mContext;
+    private EnforceConversationShortcutsPreferenceController mController;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mController = new EnforceConversationShortcutsPreferenceController(mContext);
+        when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
+        mController.displayPreference(mScreen);
+    }
+
+    @Test
+    public void onPreferenceChange_settingEnabled() {
+        mController.onPreferenceChange(mPreference, true /* new value */);
+
+        final int mode = Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.REQUIRE_SHORTCUTS_FOR_CONVERSATIONS, -1 /* default */);
+
+        assertThat(mode).isEqualTo(SETTING_VALUE_ON);
+    }
+
+    @Test
+    public void onPreferenceChange_settingDisabled() {
+        mController.onPreferenceChange(mPreference, false /* new value */);
+
+        final int mode = Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.REQUIRE_SHORTCUTS_FOR_CONVERSATIONS, -1 /* default */);
+
+        assertThat(mode).isEqualTo(SETTING_VALUE_OFF);
+    }
+
+    @Test
+    public void updateState_settingEnabled_preferenceShouldBeChecked() {
+        Settings.Global.putInt(mContext.getContentResolver(),
+                Settings.Global.REQUIRE_SHORTCUTS_FOR_CONVERSATIONS,
+                SETTING_VALUE_ON);
+
+        mController.updateState(mPreference);
+
+        verify(mPreference).setChecked(true);
+    }
+
+    @Test
+    public void updateState_settingDisabled_preferenceShouldNotBeChecked() {
+        Settings.Global.putInt(mContext.getContentResolver(),
+                Settings.Global.REQUIRE_SHORTCUTS_FOR_CONVERSATIONS, SETTING_VALUE_OFF);
+
+        mController.updateState(mPreference);
+
+        verify(mPreference).setChecked(false);
+    }
+}