1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.settings.fuelgauge.anomaly;
18
19import android.content.Context;
20import android.support.annotation.VisibleForTesting;
21import android.support.v7.preference.Preference;
22
23import com.android.settings.R;
24import com.android.settings.SettingsActivity;
25import com.android.settings.core.InstrumentedPreferenceFragment;
26import com.android.settings.fuelgauge.BatteryUtils;
27import com.android.settings.fuelgauge.PowerUsageAnomalyDetails;
28
29import java.util.List;
30
31/**
32 * Manager that responsible for updating high usage preference and handling preference click.
33 */
34public class AnomalySummaryPreferenceController {
35    private static final String TAG = "HighUsagePreferenceController";
36
37    public static final String ANOMALY_KEY = "high_usage";
38
39    private static final int REQUEST_ANOMALY_ACTION = 0;
40    private InstrumentedPreferenceFragment mFragment;
41    @VisibleForTesting
42    Preference mAnomalyPreference;
43    @VisibleForTesting
44    List<Anomaly> mAnomalies;
45    @VisibleForTesting
46    BatteryUtils mBatteryUtils;
47    private SettingsActivity mSettingsActivity;
48
49    /**
50     * Metrics key about fragment that create this controller
51     *
52     * @see com.android.internal.logging.nano.MetricsProto.MetricsEvent
53     */
54    private int mMetricsKey;
55
56    public AnomalySummaryPreferenceController(SettingsActivity activity,
57            InstrumentedPreferenceFragment fragment) {
58        mFragment = fragment;
59        mSettingsActivity = activity;
60        mAnomalyPreference = mFragment.getPreferenceScreen().findPreference(ANOMALY_KEY);
61        mMetricsKey = fragment.getMetricsCategory();
62        mBatteryUtils = BatteryUtils.getInstance(activity.getApplicationContext());
63        hideHighUsagePreference();
64    }
65
66    public boolean onPreferenceTreeClick(Preference preference) {
67        if (mAnomalies != null && ANOMALY_KEY.equals(preference.getKey())) {
68            if (mAnomalies.size() == 1) {
69                final Anomaly anomaly = mAnomalies.get(0);
70                AnomalyDialogFragment dialogFragment = AnomalyDialogFragment.newInstance(anomaly,
71                        mMetricsKey);
72                dialogFragment.setTargetFragment(mFragment, REQUEST_ANOMALY_ACTION);
73                dialogFragment.show(mFragment.getFragmentManager(), TAG);
74            } else {
75                PowerUsageAnomalyDetails.startBatteryAbnormalPage(mSettingsActivity, mFragment,
76                        mAnomalies);
77            }
78            return true;
79        }
80        return false;
81    }
82
83    /**
84     * Update anomaly preference based on {@code anomalies}, also store a reference
85     * of {@paramref anomalies}, which would be used in {@link #onPreferenceTreeClick(Preference)}
86     *
87     * @param anomalies used to update the summary, this method will store a reference of it
88     */
89    public void updateAnomalySummaryPreference(List<Anomaly> anomalies) {
90        final Context context = mFragment.getContext();
91        mAnomalies = anomalies;
92
93        if (!mAnomalies.isEmpty()) {
94            mAnomalyPreference.setVisible(true);
95            final int count = mAnomalies.size();
96            final String title = context.getResources().getQuantityString(
97                    R.plurals.power_high_usage_title, count, mAnomalies.get(0).displayName);
98            final String summary = count > 1 ?
99                    context.getString(R.string.battery_abnormal_apps_summary, count)
100                    : context.getString(
101                            mBatteryUtils.getSummaryResIdFromAnomalyType(mAnomalies.get(0).type));
102
103            mAnomalyPreference.setTitle(title);
104            mAnomalyPreference.setSummary(summary);
105        } else {
106            mAnomalyPreference.setVisible(false);
107        }
108    }
109
110    public void hideHighUsagePreference() {
111        mAnomalyPreference.setVisible(false);
112    }
113}
114