Add a stylus controller to Bluetooth Device Details.
Feature is currently flagged behing SETTINGS_SHOW_STYLUS_PREFERENCES. Bug: 251201006 Test: SettingsRoboTests StylusDevicesControllerTest DD: go/stylus-connected-devices-doc Change-Id: I438b7fe5ca1c94f9dfb506c8918d0e6cb005ca33
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Vania Januar
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/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.connecteddevice.stylus;
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import android.app.role.RoleManager;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageManager;
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import android.provider.Settings;
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import android.util.Log;
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import android.view.InputDevice;
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import androidx.annotation.Nullable;
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import androidx.annotation.VisibleForTesting;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceCategory;
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import androidx.preference.PreferenceScreen;
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import androidx.preference.SwitchPreference;
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import com.android.settings.R;
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import com.android.settingslib.core.AbstractPreferenceController;
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import com.android.settingslib.core.lifecycle.Lifecycle;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import com.android.settingslib.core.lifecycle.events.OnResume;
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import java.util.List;
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/**
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* This class adds stylus preferences.
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*/
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public class StylusDevicesController extends AbstractPreferenceController implements
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Preference.OnPreferenceClickListener, LifecycleObserver, OnResume {
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@VisibleForTesting
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static final String KEY_STYLUS = "device_stylus";
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@VisibleForTesting
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static final String KEY_HANDWRITING = "handwriting_switch";
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@VisibleForTesting
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static final String KEY_IGNORE_BUTTON = "ignore_button";
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@VisibleForTesting
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static final String KEY_DEFAULT_NOTES = "default_notes";
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private static final String TAG = "StylusDevicesController";
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@Nullable
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private final InputDevice mInputDevice;
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@VisibleForTesting
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PreferenceCategory mPreferencesContainer;
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public StylusDevicesController(Context context, InputDevice inputDevice, Lifecycle lifecycle) {
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super(context);
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mInputDevice = inputDevice;
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lifecycle.addObserver(this);
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}
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@Override
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public boolean isAvailable() {
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return mInputDevice != null && mInputDevice.supportsSource(InputDevice.SOURCE_STYLUS);
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}
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@Nullable
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private Preference createDefaultNotesPreference() {
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RoleManager rm = mContext.getSystemService(RoleManager.class);
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if (rm == null) {
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return null;
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}
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// TODO(b/254834764): replace with notes role once merged
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List<String> roleHolders = rm.getRoleHoldersAsUser(RoleManager.ROLE_ASSISTANT,
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mContext.getUser());
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if (roleHolders.isEmpty()) {
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return null;
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}
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String packageName = roleHolders.get(0);
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PackageManager pm = mContext.getPackageManager();
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String appName = packageName;
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try {
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ApplicationInfo ai = pm.getApplicationInfo(packageName,
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PackageManager.ApplicationInfoFlags.of(0));
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appName = ai == null ? packageName : pm.getApplicationLabel(ai).toString();
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} catch (PackageManager.NameNotFoundException e) {
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Log.e(TAG, "Notes role package not found.");
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}
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Preference pref = new Preference(mContext);
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pref.setKey(KEY_DEFAULT_NOTES);
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pref.setTitle(mContext.getString(R.string.stylus_default_notes_app));
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pref.setIcon(R.drawable.ic_article);
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pref.setEnabled(true);
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pref.setSummary(appName);
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return pref;
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}
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private SwitchPreference createHandwritingPreference() {
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SwitchPreference pref = new SwitchPreference(mContext);
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pref.setKey(KEY_HANDWRITING);
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pref.setTitle(mContext.getString(R.string.stylus_textfield_handwriting));
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pref.setIcon(R.drawable.ic_text_fields_alt);
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pref.setOnPreferenceClickListener(this);
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pref.setChecked(Settings.Global.getInt(mContext.getContentResolver(),
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Settings.Global.STYLUS_HANDWRITING_ENABLED, 0) == 1);
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return pref;
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}
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private SwitchPreference createButtonPressPreference() {
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SwitchPreference pref = new SwitchPreference(mContext);
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pref.setKey(KEY_IGNORE_BUTTON);
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pref.setTitle(mContext.getString(R.string.stylus_ignore_button));
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pref.setIcon(R.drawable.ic_block);
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pref.setOnPreferenceClickListener(this);
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return pref;
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}
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@Override
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public boolean onPreferenceClick(Preference preference) {
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String key = preference.getKey();
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switch (key) {
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case KEY_DEFAULT_NOTES:
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PackageManager pm = mContext.getPackageManager();
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String packageName = pm.getPermissionControllerPackageName();
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// TODO(b/254834764): replace with notes role once merged
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Intent intent = new Intent(Intent.ACTION_MANAGE_DEFAULT_APP).setPackage(
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packageName).putExtra(Intent.EXTRA_ROLE_NAME, RoleManager.ROLE_ASSISTANT);
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mContext.startActivity(intent);
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break;
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case KEY_HANDWRITING:
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Settings.Global.putInt(mContext.getContentResolver(),
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Settings.Global.STYLUS_HANDWRITING_ENABLED,
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((SwitchPreference) preference).isChecked() ? 1 : 0);
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break;
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case KEY_IGNORE_BUTTON:
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// TODO(b/251199452): to turn off stylus button presses
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break;
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}
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return true;
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}
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@Override
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public final void displayPreference(PreferenceScreen screen) {
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mPreferencesContainer = (PreferenceCategory) screen.findPreference(getPreferenceKey());
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super.displayPreference(screen);
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refresh();
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}
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@Override
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public String getPreferenceKey() {
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return KEY_STYLUS;
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}
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@Override
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public void onResume() {
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refresh();
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}
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private void refresh() {
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if (!isAvailable()) return;
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if (mInputDevice.getBluetoothAddress() != null) {
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Preference notesPref = mPreferencesContainer.findPreference(KEY_DEFAULT_NOTES);
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if (notesPref == null) {
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notesPref = createDefaultNotesPreference();
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if (notesPref != null) {
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mPreferencesContainer.addPreference(notesPref);
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}
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}
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}
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Preference handwritingPref = mPreferencesContainer.findPreference(KEY_HANDWRITING);
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// TODO(b/255732419): add proper InputMethodInfo conditional to show or hide
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// InputMethodManager imm = mContext.getSystemService(InputMethodManager.class);
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if (handwritingPref == null) {
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mPreferencesContainer.addPreference(createHandwritingPreference());
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}
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Preference buttonPref = mPreferencesContainer.findPreference(KEY_IGNORE_BUTTON);
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if (buttonPref == null) {
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mPreferencesContainer.addPreference(createButtonPressPreference());
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}
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}
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}
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