Add OplusDoze app for pickup sensor handling

* Based off android_device_oneplus_oneplus3 doze app but
  with proximity related features stripped out and updated
  pickup sensor name.

Change-Id: I9f81b153948069cd4370c75817f12e91f6869e1d

doze/src/org/lineageos/settings/doze/BootCompletedReceiver.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2015 The CyanogenMod Project
+ *               2017 The LineageOS 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 org.lineageos.settings.doze;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+public class BootCompletedReceiver extends BroadcastReceiver {
+
+    private static final boolean DEBUG = false;
+    private static final String TAG = "OplusDoze";
+
+    @Override
+    public void onReceive(final Context context, Intent intent) {
+        if (Utils.isDozeEnabled(context) && Utils.isPickUpEnabled(context)) {
+            if (DEBUG) Log.d(TAG, "Starting service");
+            Utils.startService(context);
+        }
+    }
+
+}

doze/src/org/lineageos/settings/doze/DozeService.java

@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2015 The CyanogenMod Project
+ *               2017-2018 The LineageOS 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 org.lineageos.settings.doze;
+
+import android.app.Service;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.IBinder;
+import android.util.Log;
+
+public class DozeService extends Service {
+    private static final String TAG = "DozeService";
+    private static final boolean DEBUG = false;
+
+    private PickupSensor mPickupSensor;
+
+    @Override
+    public void onCreate() {
+        if (DEBUG) Log.d(TAG, "Creating service");
+        mPickupSensor = new PickupSensor(this);
+
+        IntentFilter screenStateFilter = new IntentFilter();
+        screenStateFilter.addAction(Intent.ACTION_SCREEN_ON);
+        screenStateFilter.addAction(Intent.ACTION_SCREEN_OFF);
+        registerReceiver(mScreenStateReceiver, screenStateFilter);
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        if (DEBUG) Log.d(TAG, "Starting service");
+        return START_STICKY;
+    }
+
+    @Override
+    public void onDestroy() {
+        if (DEBUG) Log.d(TAG, "Destroying service");
+        super.onDestroy();
+        this.unregisterReceiver(mScreenStateReceiver);
+        mPickupSensor.disable();
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+
+    private void onDisplayOn() {
+        if (DEBUG) Log.d(TAG, "Display on");
+        if (Utils.isPickUpEnabled(this)) {
+            mPickupSensor.disable();
+        }
+    }
+
+    private void onDisplayOff() {
+        if (DEBUG) Log.d(TAG, "Display off");
+        if (Utils.isPickUpEnabled(this)) {
+            mPickupSensor.enable();
+        }
+    }
+
+    private BroadcastReceiver mScreenStateReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (intent.getAction().equals(Intent.ACTION_SCREEN_ON)) {
+                onDisplayOn();
+            } else if (intent.getAction().equals(Intent.ACTION_SCREEN_OFF)) {
+                onDisplayOff();
+            }
+        }
+    };
+}

doze/src/org/lineageos/settings/doze/DozeSettingsActivity.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2015-2016 The CyanogenMod Project
+ *               2017 The LineageOS 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 org.lineageos.settings.doze;
+
+import android.os.Bundle;
+import android.preference.PreferenceActivity;
+
+public class DozeSettingsActivity extends PreferenceActivity {
+
+    private static final String TAG_DOZE = "doze";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        getFragmentManager().beginTransaction().replace(android.R.id.content,
+                new DozeSettingsFragment(), TAG_DOZE).commit();
+    }
+}

doze/src/org/lineageos/settings/doze/DozeSettingsFragment.java

@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2015 The CyanogenMod Project
+ *               2017-2018 The LineageOS 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 org.lineageos.settings.doze;
+
+import android.app.ActionBar;
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.support.v14.preference.PreferenceFragment;
+import android.support.v14.preference.SwitchPreference;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import android.view.LayoutInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CompoundButton;
+import android.widget.Switch;
+import android.widget.TextView;
+
+public class DozeSettingsFragment extends PreferenceFragment implements OnPreferenceChangeListener,
+        CompoundButton.OnCheckedChangeListener {
+
+    private TextView mTextView;
+
+    private SwitchPreference mPickUpPreference;
+
+    @Override
+    public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
+        addPreferencesFromResource(R.xml.doze_settings);
+        final ActionBar actionBar = getActivity().getActionBar();
+        actionBar.setDisplayHomeAsUpEnabled(true);
+
+        SharedPreferences prefs = getActivity().getSharedPreferences("doze_settings",
+                Activity.MODE_PRIVATE);
+        if (savedInstanceState == null && !prefs.getBoolean("first_help_shown", false)) {
+            showHelp();
+        }
+
+        boolean dozeEnabled = Utils.isDozeEnabled(getActivity());
+
+        mPickUpPreference = (SwitchPreference) findPreference(Utils.GESTURE_PICK_UP_KEY);
+        mPickUpPreference.setEnabled(dozeEnabled);
+        mPickUpPreference.setOnPreferenceChangeListener(this);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        final View view = LayoutInflater.from(getContext()).inflate(R.layout.doze, container, false);
+        ((ViewGroup) view).addView(super.onCreateView(inflater, container, savedInstanceState));
+        return view;
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        boolean dozeEnabled = Utils.isDozeEnabled(getActivity());
+
+        mTextView = view.findViewById(R.id.switch_text);
+        mTextView.setText(getString(dozeEnabled ?
+                R.string.switch_bar_on : R.string.switch_bar_off));
+
+        View switchBar = view.findViewById(R.id.switch_bar);
+        Switch switchWidget = switchBar.findViewById(android.R.id.switch_widget);
+        switchWidget.setChecked(dozeEnabled);
+        switchWidget.setOnCheckedChangeListener(this);
+        switchBar.setOnClickListener(v -> switchWidget.setChecked(!switchWidget.isChecked()));
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        Utils.enablePickUp(getActivity(), (Boolean) newValue);
+        Utils.checkDozeService(getActivity());
+        return true;
+    }
+
+    @Override
+    public void onCheckedChanged(CompoundButton compoundButton, boolean isChecked) {
+        Utils.enableDoze(getActivity(), isChecked);
+        Utils.checkDozeService(getActivity());
+
+        mTextView.setText(getString(isChecked ? R.string.switch_bar_on : R.string.switch_bar_off));
+
+        mPickUpPreference.setEnabled(isChecked);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == android.R.id.home) {
+            getActivity().onBackPressed();
+            return true;
+        }
+        return false;
+    }
+
+    private static class HelpDialogFragment extends DialogFragment {
+        @Override
+        public Dialog onCreateDialog(Bundle savedInstanceState) {
+            return new AlertDialog.Builder(getActivity())
+                    .setTitle(R.string.doze_settings_help_title)
+                    .setMessage(R.string.doze_settings_help_text)
+                    .setNegativeButton(R.string.dialog_ok, (dialog, which) -> dialog.cancel())
+                    .create();
+        }
+
+        @Override
+        public void onCancel(DialogInterface dialog) {
+            getActivity().getSharedPreferences("doze_settings", Activity.MODE_PRIVATE)
+                    .edit()
+                    .putBoolean("first_help_shown", true)
+                    .commit();
+        }
+    }
+
+    private void showHelp() {
+        HelpDialogFragment fragment = new HelpDialogFragment();
+        fragment.show(getFragmentManager(), "help_dialog");
+    }
+}

doze/src/org/lineageos/settings/doze/PickupSensor.java

@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2015 The CyanogenMod Project
+ *               2017-2018 The LineageOS 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 org.lineageos.settings.doze;
+
+import android.content.Context;
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
+import android.os.SystemClock;
+import android.util.Log;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+
+public class PickupSensor implements SensorEventListener {
+
+    private static final boolean DEBUG = false;
+    private static final String TAG = "PickupSensor";
+
+    private static final int MIN_PULSE_INTERVAL_MS = 2500;
+
+    private SensorManager mSensorManager;
+    private Sensor mSensor;
+    private Context mContext;
+    private ExecutorService mExecutorService;
+
+    private long mEntryTimestamp;
+
+    public PickupSensor(Context context) {
+        mContext = context;
+        mSensorManager = mContext.getSystemService(SensorManager.class);
+        mSensor = Utils.getSensor(mSensorManager, "oneplus.sensor.pickup");
+        mExecutorService = Executors.newSingleThreadExecutor();
+    }
+
+    private Future<?> submit(Runnable runnable) {
+        return mExecutorService.submit(runnable);
+    }
+
+    @Override
+    public void onSensorChanged(SensorEvent event) {
+        if (DEBUG) Log.d(TAG, "Got sensor event: " + event.values[0]);
+
+        long delta = SystemClock.elapsedRealtime() - mEntryTimestamp;
+        if (delta < MIN_PULSE_INTERVAL_MS) {
+            return;
+        }
+
+        mEntryTimestamp = SystemClock.elapsedRealtime();
+
+        if (event.values[0] == 1) {
+            Utils.launchDozePulse(mContext);
+        }
+    }
+
+    @Override
+    public void onAccuracyChanged(Sensor sensor, int accuracy) {
+        /* Empty */
+    }
+
+    protected void enable() {
+        if (DEBUG) Log.d(TAG, "Enabling");
+        submit(() -> {
+            mSensorManager.registerListener(this, mSensor,
+                    SensorManager.SENSOR_DELAY_NORMAL);
+            mEntryTimestamp = SystemClock.elapsedRealtime();
+        });
+    }
+
+    protected void disable() {
+        if (DEBUG) Log.d(TAG, "Disabling");
+        submit(() -> {
+            mSensorManager.unregisterListener(this, mSensor);
+        });
+    }
+}

doze/src/org/lineageos/settings/doze/Utils.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2015 The CyanogenMod Project
+ *               2017-2018 The LineageOS 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 org.lineageos.settings.doze;
+
+import android.content.Context;
+import android.content.Intent;
+import android.hardware.Sensor;
+import android.hardware.SensorManager;
+import android.os.UserHandle;
+import android.support.v7.preference.PreferenceManager;
+import android.provider.Settings;
+import android.util.Log;
+
+import static android.provider.Settings.Secure.DOZE_ENABLED;
+
+public final class Utils {
+
+    private static final String TAG = "DozeUtils";
+    private static final boolean DEBUG = false;
+
+    private static final String DOZE_INTENT = "com.android.systemui.doze.pulse";
+
+    protected static final String GESTURE_PICK_UP_KEY = "gesture_pick_up";
+
+    protected static void startService(Context context) {
+        if (DEBUG) Log.d(TAG, "Starting service");
+        context.startServiceAsUser(new Intent(context, DozeService.class),
+                UserHandle.CURRENT);
+    }
+
+    protected static void stopService(Context context) {
+        if (DEBUG) Log.d(TAG, "Stopping service");
+        context.stopServiceAsUser(new Intent(context, DozeService.class),
+                UserHandle.CURRENT);
+    }
+
+    protected static void checkDozeService(Context context) {
+        if (isDozeEnabled(context) && isPickUpEnabled(context)) {
+            startService(context);
+        } else {
+            stopService(context);
+        }
+    }
+
+    protected static boolean isDozeEnabled(Context context) {
+        return Settings.Secure.getInt(context.getContentResolver(),
+                DOZE_ENABLED, 1) != 0;
+    }
+
+    protected static boolean enableDoze(Context context, boolean enable) {
+        return Settings.Secure.putInt(context.getContentResolver(),
+                DOZE_ENABLED, enable ? 1 : 0);
+    }
+
+    protected static void launchDozePulse(Context context) {
+        if (DEBUG) Log.d(TAG, "Launch doze pulse");
+        context.sendBroadcastAsUser(new Intent(DOZE_INTENT),
+                new UserHandle(UserHandle.USER_CURRENT));
+    }
+
+    protected static void enablePickUp(Context context, boolean enable) {
+        PreferenceManager.getDefaultSharedPreferences(context).edit()
+                .putBoolean(GESTURE_PICK_UP_KEY, enable).apply();
+    }
+
+    protected static boolean isPickUpEnabled(Context context) {
+        return PreferenceManager.getDefaultSharedPreferences(context)
+                .getBoolean(GESTURE_PICK_UP_KEY, false);
+    }
+
+    protected static Sensor getSensor(SensorManager sm, String type) {
+        for (Sensor sensor : sm.getSensorList(Sensor.TYPE_ALL)) {
+            if (type.equals(sensor.getStringType())) {
+                return sensor;
+            }
+        }
+        return null;
+    }
+}