InputMethodAndSubtypeEnabler use DashboardFragment

- Move preference log to InputMethodAndSubtypePreferenceController
- Add input_methods_subtype.xml

Test: manual
Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=com.android.settings.inputmethod
Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=com.android.settings.core
Test: atest UniquePreferenceTest

Change-Id: I45b6e8303d94ef07d17016eeed1d728432a70d98

res/xml/input_methods_subtype.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+/*
+ * Copyright 2018, 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.
+ */
+-->
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
+    android:key="input_methods_subtype_preference"
+    android:title="@string/app_settings_link"
+    settings:controller="com.android.settings.inputmethod.InputMethodAndSubtypePreferenceController" />
+

src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java

@@ -16,17 +16,18 @@
 
 package com.android.settings.inputmethod;
 
+import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
-import androidx.preference.PreferenceScreen;
 import android.text.TextUtils;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
-import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.R;
-import com.android.settingslib.inputmethod.InputMethodAndSubtypeEnablerManager;
+import com.android.settings.dashboard.DashboardFragment;
 
-public class InputMethodAndSubtypeEnabler extends SettingsPreferenceFragment {
+public class InputMethodAndSubtypeEnabler extends DashboardFragment {
-    private InputMethodAndSubtypeEnablerManager mManager;
+
+    private static final String TAG = "InputMethodAndSubtypeEnabler";
 
     @Override
     public int getMetricsCategory() {
@@ -34,8 +35,18 @@ public class InputMethodAndSubtypeEnabler extends SettingsPreferenceFragment {
     }
 
     @Override
-    public void onCreate(final Bundle icicle) {
+    protected int getPreferenceScreenResId() {
-        super.onCreate(icicle);
+        return R.xml.input_methods_subtype;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
 
         // Input method id should be available from an Intent when this preference is launched as a
         // single Activity (see InputMethodAndSubtypeEnablerActivity). It should be available
@@ -44,11 +55,8 @@ public class InputMethodAndSubtypeEnabler extends SettingsPreferenceFragment {
         final String targetImi = getStringExtraFromIntentOrArguments(
                 android.provider.Settings.EXTRA_INPUT_METHOD_ID);
 
-        final PreferenceScreen root =
+        use(InputMethodAndSubtypePreferenceController.class).initialize(this /* fragment */,
-                getPreferenceManager().createPreferenceScreen(getPrefContext());
+                targetImi);
-        mManager = new InputMethodAndSubtypeEnablerManager(this);
-        mManager.init(this, targetImi, root);
-        setPreferenceScreen(root);
     }
 
     private String getStringExtraFromIntentOrArguments(final String name) {
@@ -69,16 +77,4 @@ public class InputMethodAndSubtypeEnabler extends SettingsPreferenceFragment {
             getActivity().setTitle(title);
         }
     }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        mManager.refresh(getContext(), this);
-    }
-
-    @Override
-    public void onPause() {
-        super.onPause();
-        mManager.save(getContext(), this);
-    }
 }

src/com/android/settings/inputmethod/InputMethodAndSubtypePreferenceController.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2018 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.inputmethod;
+
+import android.content.Context;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
+import com.android.settingslib.inputmethod.InputMethodAndSubtypeEnablerManager;
+
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceScreen;
+
+public class InputMethodAndSubtypePreferenceController extends BasePreferenceController implements
+        LifecycleObserver, OnStart, OnStop {
+
+    private PreferenceFragment mFragment;
+    private InputMethodAndSubtypeEnablerManager mManager;
+    private String mTargetImi;
+
+    public InputMethodAndSubtypePreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    public void initialize(PreferenceFragment fragment, String imi) {
+        mFragment = fragment;
+        mTargetImi = imi;
+        mManager = new InputMethodAndSubtypeEnablerManager(mFragment);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mManager.init(mFragment, mTargetImi, screen);
+    }
+
+    @Override
+    public void onStart() {
+        mManager.refresh(mContext, mFragment);
+    }
+
+    @Override
+    public void onStop() {
+        mManager.save(mContext, mFragment);
+    }
+}

tests/robotests/assets/grandfather_not_implementing_index_provider

@@ -27,3 +27,4 @@ com.android.settings.notification.ZenModeEventRuleSettings
 com.android.settings.notification.ZenModeScheduleRuleSettings
 com.android.settings.fuelgauge.RestrictedAppDetails
 com.android.settings.datetime.timezone.TimeZoneSettings
+com.android.settings.inputmethod.InputMethodAndSubtypeEnabler

tests/robotests/assets/grandfather_not_implementing_indexable

@@ -28,7 +28,6 @@ com.android.settings.accessibility.ToggleScreenReaderPreferenceFragmentForSetupW
 com.android.settings.accessibility.ToggleSelectToSpeakPreferenceFragmentForSetupWizard
 com.android.settings.accounts.AccountSyncSettings
 com.android.settings.notification.RedactionInterstitial$RedactionInterstitialFragment
-com.android.settings.inputmethod.InputMethodAndSubtypeEnabler
 com.android.settings.applications.appinfo.DrawOverlayDetails
 com.android.settings.backup.ToggleBackupSettingFragment
 com.android.settings.users.UserDetailsSettings

tests/robotests/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnablerTest.java

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2018 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.inputmethod;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+
+import com.android.settings.R;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.Robolectric;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class InputMethodAndSubtypeEnablerTest {
+
+    private Activity mActivity;
+    private InputMethodAndSubtypeEnabler mFragment;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mActivity = Robolectric.setupActivity(Activity.class);
+        mFragment = spy(new InputMethodAndSubtypeEnabler());
+        when(mFragment.getActivity()).thenReturn(mActivity);
+    }
+
+    @Test
+    public void onActivityCreated_shouldUpdateTitleFromArgument() {
+        final String test = "title1";
+        final Bundle args = new Bundle();
+        args.putString(Intent.EXTRA_TITLE, test);
+        mFragment.setArguments(args);
+
+        mFragment.onActivityCreated(null);
+
+        assertThat(mFragment.getActivity().getTitle()).isEqualTo(test);
+    }
+
+    @Test
+    public void onActivityCreated_shouldUpdateTitleFromIntent() {
+        final String test = "title1";
+        final Intent intent = new Intent();
+        intent.putExtra(Intent.EXTRA_TITLE, test);
+        mActivity.setIntent(intent);
+
+        mFragment.onActivityCreated(null);
+
+        assertThat(mFragment.getActivity().getTitle()).isEqualTo(test);
+    }
+
+    @Test
+    public void getPreferenceScreenResId_shouldReturnXml() {
+        assertThat(mFragment.getPreferenceScreenResId()).isEqualTo(R.xml.input_methods_subtype);
+    }
+}

tests/robotests/src/com/android/settings/inputmethod/InputMethodAndSubtypePreferenceControllerTest.java

@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2018 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.inputmethod;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
+import android.view.inputmethod.InputMethodInfo;
+import android.view.inputmethod.InputMethodSubtype;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.ShadowInputMethodManagerWithMethodList;
+
+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;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import androidx.preference.PreferenceFragment;
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(shadows = ShadowInputMethodManagerWithMethodList.class)
+public class InputMethodAndSubtypePreferenceControllerTest {
+
+    @Mock
+    private PreferenceFragment mFragment;
+    private Context mContext;
+    private InputMethodAndSubtypePreferenceController mController;
+    private PreferenceManager mPreferenceManager;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mPreferenceManager = new PreferenceManager(mContext);
+        when(mFragment.getContext()).thenReturn(mContext);
+        when(mFragment.getResources()).thenReturn(mContext.getResources());
+        when(mFragment.getPreferenceManager()).thenReturn(mPreferenceManager);
+        mController = new InputMethodAndSubtypePreferenceController(mContext, "pref_key");
+        mController.initialize(mFragment, "");
+    }
+
+    @Test
+    public void isAlwaysAvailable() {
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void displayPreference_hasInputMethodSubType_shouldAddPreference() {
+        final PreferenceManager preferenceManager = new PreferenceManager(mContext);
+        final PreferenceScreen screen = preferenceManager.createPreferenceScreen(mContext);
+
+        mController.displayPreference(screen);
+
+        assertThat(screen.getPreferenceCount()).isEqualTo(0);
+
+        final List<InputMethodInfo> imis = new ArrayList<>();
+        imis.add(createInputMethodInfo("test", mContext));
+        ShadowInputMethodManagerWithMethodList.getShadow().setInputMethodList(imis);
+
+        mController.initialize(mFragment, "");
+        mController.displayPreference(screen);
+
+        assertThat(screen.getPreferenceCount()).isEqualTo(2);
+    }
+
+    private InputMethodInfo createInputMethodInfo(final String name, Context targetContext) {
+        List<InputMethodSubtype> subtypes = new ArrayList<>();
+
+        subtypes.add(new InputMethodSubtype.InputMethodSubtypeBuilder()
+                .build());
+        subtypes.add(new InputMethodSubtype.InputMethodSubtypeBuilder()
+                .build());
+
+        final ResolveInfo resolveInfo = new ResolveInfo();
+        resolveInfo.serviceInfo = new ServiceInfo();
+        resolveInfo.serviceInfo.packageName = "com.android.ime";
+        resolveInfo.serviceInfo.name = name;
+        resolveInfo.serviceInfo.applicationInfo = new ApplicationInfo();
+        resolveInfo.serviceInfo.applicationInfo.enabled = true;
+
+        return new InputMethodInfo(
+                resolveInfo,
+                false /* isAuxIme */,
+                "SettingsActivity",
+                subtypes,
+                0 /* isDefaultResId */,
+                true /* forceDefault */);
+    }
+}

tests/robotests/src/com/android/settings/testutils/shadow/ShadowInputMethodManagerWithMethodList.java

@@ -19,8 +19,10 @@ package com.android.settings.testutils.shadow;
 import android.view.inputmethod.InputMethodInfo;
 import android.view.inputmethod.InputMethodManager;
 
+import org.robolectric.RuntimeEnvironment;
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
+import org.robolectric.shadow.api.Shadow;
 import org.robolectric.shadows.ShadowInputMethodManager;
 
 import java.util.Collections;
@@ -48,4 +50,9 @@ public class ShadowInputMethodManagerWithMethodList extends ShadowInputMethodMan
     public void setInputMethodList(List<InputMethodInfo> inputMethodInfos) {
         mInputMethodInfos = inputMethodInfos;
     }
+
+    public static ShadowInputMethodManagerWithMethodList getShadow() {
+        return (ShadowInputMethodManagerWithMethodList) Shadow.extract(
+                RuntimeEnvironment.application.getSystemService(InputMethodManager.class));
+    }
 }