Deprecate AppListPreference and AppListPrefWithSettings

- Convert ManageAssist into DashboardFragment
- Convert default assist pref to DefaultAppPickerFragment
- Add PreferenceController for each pref
- Add tests

Bug: 35203386
Test: make RunSettingsRoboTests

Change-Id: I0350a06cae7457809fb261e2d8ec99eda80cc50a

src/com/android/settings/applications/assist/DefaultVoiceInputPicker.java

@@ -0,0 +1,162 @@
+/*
+ * 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.applications.assist;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.provider.Settings;
+import android.text.TextUtils;
+
+import com.android.internal.app.AssistUtils;
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.applications.defaultapps.DefaultAppInfo;
+import com.android.settings.applications.defaultapps.DefaultAppPickerFragment;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DefaultVoiceInputPicker extends DefaultAppPickerFragment {
+
+    private VoiceInputHelper mHelper;
+    private AssistUtils mAssistUtils;
+    private String mAssistRestrict;
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.DEFAULT_VOICE_INPUT_PICKER;
+    }
+
+    @Override
+    public void onAttach(Context context) {
+        super.onAttach(context);
+        mAssistUtils = new AssistUtils(context);
+        mHelper = new VoiceInputHelper(context);
+        mHelper.buildUi();
+        final ComponentName assist = getCurrentAssist();
+        if (isCurrentAssistVoiceService(assist, getCurrentService(mHelper))) {
+            mAssistRestrict = assist.flattenToShortString();
+        }
+    }
+
+    @Override
+    protected List<VoiceInputDefaultAppInfo> getCandidates() {
+        final List<VoiceInputDefaultAppInfo> candidates = new ArrayList<>();
+        boolean hasEnabled = true;
+        for (VoiceInputHelper.InteractionInfo info : mHelper.mAvailableInteractionInfos) {
+            final boolean enabled = TextUtils.equals(info.key, mAssistRestrict);
+            hasEnabled |= enabled;
+            candidates.add(new VoiceInputDefaultAppInfo(mUserId, info, enabled));
+        }
+
+        final boolean assistIsService = !hasEnabled;
+        for (VoiceInputHelper.RecognizerInfo info : mHelper.mAvailableRecognizerInfos) {
+            final boolean enabled = !assistIsService;
+            candidates.add(new VoiceInputDefaultAppInfo(mUserId, info, enabled));
+        }
+        return candidates;
+    }
+
+    @Override
+    protected String getDefaultAppKey() {
+        final ComponentName currentService = getCurrentService(mHelper);
+        if (currentService == null) {
+            return null;
+        }
+        return currentService.flattenToShortString();
+    }
+
+    @Override
+    protected boolean setDefaultAppKey(String value) {
+        for (VoiceInputHelper.InteractionInfo info : mHelper.mAvailableInteractionInfos) {
+            if (TextUtils.equals(value, info.key)) {
+                Settings.Secure.putString(getContext().getContentResolver(),
+                        Settings.Secure.VOICE_INTERACTION_SERVICE, value);
+                Settings.Secure.putString(getContext().getContentResolver(),
+                        Settings.Secure.VOICE_RECOGNITION_SERVICE,
+                        new ComponentName(info.service.packageName,
+                                info.serviceInfo.getRecognitionService())
+                                .flattenToShortString());
+                return true;
+            }
+        }
+
+        for (VoiceInputHelper.RecognizerInfo info : mHelper.mAvailableRecognizerInfos) {
+            if (TextUtils.equals(value, info.key)) {
+                Settings.Secure.putString(getContext().getContentResolver(),
+                        Settings.Secure.VOICE_INTERACTION_SERVICE, "");
+                Settings.Secure.putString(getContext().getContentResolver(),
+                        Settings.Secure.VOICE_RECOGNITION_SERVICE, value);
+                return true;
+            }
+        }
+        return true;
+    }
+
+    public static ComponentName getCurrentService(VoiceInputHelper helper) {
+        if (helper.mCurrentVoiceInteraction != null) {
+            return helper.mCurrentVoiceInteraction;
+        } else if (helper.mCurrentRecognizer != null) {
+            return helper.mCurrentRecognizer;
+        } else {
+            return null;
+        }
+    }
+
+    private ComponentName getCurrentAssist() {
+        return mAssistUtils.getAssistComponentForUser(mUserId);
+    }
+
+    public static boolean isCurrentAssistVoiceService(ComponentName currentAssist,
+            ComponentName currentVoiceService) {
+        return currentAssist == null && currentVoiceService == null ||
+                currentAssist != null && currentAssist.equals(currentVoiceService);
+    }
+
+    public static class VoiceInputDefaultAppInfo extends DefaultAppInfo {
+
+        public VoiceInputHelper.BaseInfo mInfo;
+
+        public VoiceInputDefaultAppInfo(int userId, VoiceInputHelper.BaseInfo info,
+                boolean enabled) {
+            super(userId, info.componentName, null /* summary */, enabled);
+            mInfo = info;
+        }
+
+        @Override
+        public String getKey() {
+            return mInfo.key;
+        }
+
+        @Override
+        public CharSequence loadLabel(PackageManager pm) {
+            if (mInfo instanceof VoiceInputHelper.InteractionInfo) {
+                return mInfo.appLabel;
+            } else {
+                return mInfo.label;
+            }
+        }
+
+        public Intent getSettingIntent() {
+            if (mInfo.settings == null) {
+                return null;
+            }
+            return new Intent(Intent.ACTION_MAIN).setComponent(mInfo.settings);
+        }
+    }
+}