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Commit 66cce1f9 authored by jackqdyulei's avatar jackqdyulei
Browse files

Making "Battery Saver" use MasterSwitchPreference.

By using MasterSwitchPreference, we make "battery saver" to have
two parts: left part is the clickable summary jumping to other
fragment while right part is a switch toggle.

Also remove the previous battery saver preference.

Bug: 34279051
Test: RunSettingsRoboTests

Change-Id: If36fa9741e413a9bbdd57fa67a2c15b6e457afd7
parent 722fc818
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+2 −1
Original line number Diff line number Diff line
@@ -27,7 +27,8 @@
        android:key="power_management"
        android:title="@string/battery_power_management">

        <com.android.settings.fuelgauge.BatterySaverPreference
        <com.android.settings.widget.MasterSwitchPreference
            android:key="battery_saver"
            android:title="@string/battery_saver"
            android:fragment="com.android.settings.fuelgauge.BatterySaverSettings"/>

+176 −0
Original line number Diff line number Diff line
/*
 * 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.fuelgauge;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.ContentObserver;
import android.os.BatteryManager;
import android.os.Handler;
import android.os.PowerManager;
import android.provider.Settings;
import android.support.annotation.VisibleForTesting;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceScreen;
import android.util.Log;
import com.android.settings.R;
import com.android.settings.Utils;
import com.android.settings.core.PreferenceController;
import com.android.settings.core.lifecycle.Lifecycle;
import com.android.settings.core.lifecycle.LifecycleObserver;
import com.android.settings.core.lifecycle.events.OnStart;
import com.android.settings.core.lifecycle.events.OnStop;
import com.android.settings.dashboard.conditional.BatterySaverCondition;
import com.android.settings.dashboard.conditional.ConditionManager;
import com.android.settings.widget.MasterSwitchPreference;

import static android.os.PowerManager.ACTION_POWER_SAVE_MODE_CHANGING;

public class BatterySaverController extends PreferenceController implements
        Preference.OnPreferenceChangeListener, LifecycleObserver, OnStart, OnStop {
    private static final String KEY_BATTERY_SAVER = "battery_saver";
    private static final String TAG = "BatterySaverController";
    private static final boolean DEBUG = false;

    private final BatteryStateChangeReceiver mBatteryStateChangeReceiver;
    private final PowerManager mPowerManager;
    private MasterSwitchPreference mBatterySaverPref;

    public BatterySaverController(Context context, Lifecycle lifecycle) {
        super(context);

        lifecycle.addObserver(this);
        mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
        mBatteryStateChangeReceiver = new BatteryStateChangeReceiver();
    }

    @Override
    public boolean isAvailable() {
        return true;
    }

    @Override
    public String getPreferenceKey() {
        return KEY_BATTERY_SAVER;
    }

    @Override
    public void displayPreference(PreferenceScreen screen) {
        super.displayPreference(screen);
        mBatterySaverPref = (MasterSwitchPreference) screen.findPreference(KEY_BATTERY_SAVER);
    }

    @Override
    public void updateState(Preference preference) {
        mBatterySaverPref.setChecked(mPowerManager.isPowerSaveMode());
        updateSummary();
    }

    @Override
    public boolean onPreferenceChange(Preference preference, Object newValue) {
        final boolean saverOn = (Boolean) newValue;
        if (saverOn != mPowerManager.isPowerSaveMode()
                && !mPowerManager.setPowerSaveMode(saverOn)) {
            // Do nothing if power save mode doesn't set correctly
            return false;
        }

        refreshConditionManager();
        updateSummary();
        return true;
    }

    @Override
    public void onStart() {
        mContext.getContentResolver().registerContentObserver(
                Settings.Global.getUriFor(Settings.Global.LOW_POWER_MODE_TRIGGER_LEVEL)
                , true, mObserver);

        mBatteryStateChangeReceiver.setListening(true);
    }

    @Override
    public void onStop() {
        mContext.getContentResolver().unregisterContentObserver(mObserver);
        mBatteryStateChangeReceiver.setListening(false);
    }

    @VisibleForTesting
    void refreshConditionManager() {
        ConditionManager.get(mContext).getCondition(BatterySaverCondition.class).refreshState();
    }

    private void updateSummary() {
        final boolean mode = mPowerManager.isPowerSaveMode();
        final int format = mode ? R.string.battery_saver_on_summary
                : R.string.battery_saver_off_summary;
        final int percent = Settings.Global.getInt(mContext.getContentResolver(),
                Settings.Global.LOW_POWER_MODE_TRIGGER_LEVEL, 0);
        final int percentFormat = percent > 0 ? R.string.battery_saver_desc_turn_on_auto_pct
                : R.string.battery_saver_desc_turn_on_auto_never;

        final String summary = mContext.getString(format, mContext.getString(percentFormat,
                Utils.formatPercentage(percent)));

        mBatterySaverPref.setSummary(summary);
    }

    private final ContentObserver mObserver = new ContentObserver(new Handler()) {
        @Override
        public void onChange(boolean selfChange) {
            updateSummary();
        }
    };

    private final class BatteryStateChangeReceiver extends BroadcastReceiver {
        private boolean mRegistered;

        @Override
        public void onReceive(Context context, Intent intent) {
            if (DEBUG) {
                Log.d(TAG, "Received " + intent.getAction());
            }
            final String action = intent.getAction();
            if (action.equals(ACTION_POWER_SAVE_MODE_CHANGING)) {
                mBatterySaverPref.setChecked(mPowerManager.isPowerSaveMode());
                updateSummary();
            } else if (action.equals(Intent.ACTION_BATTERY_CHANGED)) {
                final int status = intent.getIntExtra(BatteryManager.EXTRA_STATUS, -1);
                // disable BSM switch if phone is plugged in or at 100% while plugged in
                final boolean enabled = !(status == BatteryManager.BATTERY_STATUS_CHARGING
                        || status == BatteryManager.BATTERY_STATUS_FULL);

                mBatterySaverPref.setSwitchEnabled(enabled);
            }
        }

        public void setListening(boolean listening) {
            if (listening && !mRegistered) {
                final IntentFilter ifilter = new IntentFilter();
                ifilter.addAction(Intent.ACTION_BATTERY_CHANGED);
                ifilter.addAction(ACTION_POWER_SAVE_MODE_CHANGING);
                mContext.registerReceiver(this, ifilter);
                mRegistered = true;
            } else if (!listening && mRegistered) {
                mContext.unregisterReceiver(this);
                mRegistered = false;
            }
        }

    }
}
+0 −79
Original line number Diff line number Diff line
/*
 * Copyright (C) 2016 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.fuelgauge;

import android.content.Context;
import android.database.ContentObserver;
import android.os.Handler;
import android.os.PowerManager;
import android.provider.Settings;
import android.provider.Settings.Global;
import android.support.v7.preference.Preference;
import android.util.AttributeSet;
import android.view.View;
import com.android.settings.R;
import com.android.settings.Utils;

public class BatterySaverPreference extends Preference {

    private PowerManager mPowerManager;

    public BatterySaverPreference(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    protected void performClick(View view) {
        Utils.startWithFragment(getContext(), getFragment(), null, null, 0, 0, getTitle());
    }

    @Override
    public void onAttached() {
        super.onAttached();
        mPowerManager = (PowerManager) getContext().getSystemService(Context.POWER_SERVICE);
        mObserver.onChange(true);
        getContext().getContentResolver().registerContentObserver(
                Settings.Global.getUriFor(Global.LOW_POWER_MODE_TRIGGER_LEVEL), true, mObserver);
        getContext().getContentResolver().registerContentObserver(
                Settings.Global.getUriFor(Global.LOW_POWER_MODE), true, mObserver);
    }

    @Override
    public void onDetached() {
        super.onDetached();
        getContext().getContentResolver().unregisterContentObserver(mObserver);
    }

    private void updateSwitch() {
        final Context context = getContext();
        final boolean mode = mPowerManager.isPowerSaveMode();
        int format = mode ? R.string.battery_saver_on_summary
                : R.string.battery_saver_off_summary;
        int percent = Settings.Global.getInt(context.getContentResolver(),
                Global.LOW_POWER_MODE_TRIGGER_LEVEL, 0);
        int percentFormat = percent > 0 ? R.string.battery_saver_desc_turn_on_auto_pct
                : R.string.battery_saver_desc_turn_on_auto_never;
        setSummary(context.getString(format, context.getString(percentFormat,
                Utils.formatPercentage(percent))));
    }

    private final ContentObserver mObserver = new ContentObserver(new Handler()) {
        @Override
        public void onChange(boolean selfChange) {
            updateSwitch();
        }
    };

}
+1 −0
Original line number Diff line number Diff line
@@ -158,6 +158,7 @@ public class PowerUsageSummary extends PowerUsageBase {
        final List<PreferenceController> controllers = new ArrayList<>();
        controllers.add(new AutoBrightnessPreferenceController(context));
        controllers.add(new TimeoutPreferenceController(context));
        controllers.add(new BatterySaverController(context, getLifecycle()));
        return controllers;
    }

+94 −0
Original line number Diff line number Diff line
/*
 * 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.fuelgauge;

import android.content.Context;
import android.os.PowerManager;
import com.android.settings.SettingsRobolectricTestRunner;
import com.android.settings.TestConfig;
import com.android.settings.core.lifecycle.Lifecycle;
import com.android.settings.widget.MasterSwitchPreference;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.annotation.Config;
import org.robolectric.util.ReflectionHelpers;

import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

@RunWith(SettingsRobolectricTestRunner.class)
@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
public class BatterySaverControllerTest {
    @Mock
    private MasterSwitchPreference mBatterySaverPref;
    @Mock
    private PowerManager mPowerManager;
    @Mock
    private Context mContext;
    @Mock
    private Lifecycle mLifecycle;
    private BatterySaverController mBatterySaverController;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);

        mBatterySaverController = spy(new BatterySaverController(mContext, mLifecycle));
        ReflectionHelpers.setField(mBatterySaverController, "mPowerManager", mPowerManager);
        ReflectionHelpers.setField(mBatterySaverController, "mBatterySaverPref", mBatterySaverPref);
        doNothing().when(mBatterySaverController).refreshConditionManager();
    }

    @Test
    public void testOnPreferenceChange_TurnOnBatterySaver_BatterySaverOn() {
        testOnPreferenceChangeInner(true);
    }

    @Test
    public void testOnPreferenceChange_TurnOffBatterySaver_BatterySaverOff() {
        testOnPreferenceChangeInner(false);
    }

    @Test
    public void testUpdateState_SaverModeOn_PreferenceChecked() {
        testUpdateStateInner(true);
    }

    @Test
    public void testUpdateState_SaverModeOff_PreferenceUnChecked() {
        testUpdateStateInner(false);
    }

    private void testOnPreferenceChangeInner(final boolean saverOn) {
        when(mPowerManager.setPowerSaveMode(saverOn)).thenReturn(true);
        when(mPowerManager.isPowerSaveMode()).thenReturn(!saverOn);

        mBatterySaverController.onPreferenceChange(mBatterySaverPref, saverOn);
        verify(mPowerManager).setPowerSaveMode(saverOn);
    }

    private void testUpdateStateInner(final boolean saverOn) {
        when(mPowerManager.isPowerSaveMode()).thenReturn(saverOn);

        mBatterySaverController.updateState(mBatterySaverPref);
        verify(mBatterySaverPref).setChecked(saverOn);
    }
}