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      1 /*
      2  * Copyright (C) 2015 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 package com.android.internal.logging;
     17 
     18 import android.content.Context;
     19 import android.os.Build;
     20 import android.view.View;
     21 
     22 import com.android.internal.logging.MetricsProto.MetricsEvent;
     23 
     24 /**
     25  * Log all the things.
     26  *
     27  * @hide
     28  */
     29 public class MetricsLogger {
     30     // define metric categories in frameworks/base/proto/src/metrics_constants.proto.
     31 
     32     public static final int VIEW_UNKNOWN = MetricsEvent.VIEW_UNKNOWN;
     33 
     34     public static void visible(Context context, int category) throws IllegalArgumentException {
     35         if (Build.IS_DEBUGGABLE && category == VIEW_UNKNOWN) {
     36             throw new IllegalArgumentException("Must define metric category");
     37         }
     38         EventLogTags.writeSysuiViewVisibility(category, 100);
     39     }
     40 
     41     public static void hidden(Context context, int category) throws IllegalArgumentException {
     42         if (Build.IS_DEBUGGABLE && category == VIEW_UNKNOWN) {
     43             throw new IllegalArgumentException("Must define metric category");
     44         }
     45         EventLogTags.writeSysuiViewVisibility(category, 0);
     46     }
     47 
     48     public static void visibility(Context context, int category, boolean visibile)
     49             throws IllegalArgumentException {
     50         if (visibile) {
     51             visible(context, category);
     52         } else {
     53             hidden(context, category);
     54         }
     55     }
     56 
     57     public static void visibility(Context context, int category, int vis)
     58             throws IllegalArgumentException {
     59         visibility(context, category, vis == View.VISIBLE);
     60     }
     61 
     62     public static void action(Context context, int category) {
     63         action(context, category, "");
     64     }
     65 
     66     public static void action(Context context, int category, int value) {
     67         action(context, category, Integer.toString(value));
     68     }
     69 
     70     public static void action(Context context, int category, boolean value) {
     71         action(context, category, Boolean.toString(value));
     72     }
     73 
     74     public static void action(Context context, int category, String pkg) {
     75         if (Build.IS_DEBUGGABLE && category == VIEW_UNKNOWN) {
     76             throw new IllegalArgumentException("Must define metric category");
     77         }
     78         EventLogTags.writeSysuiAction(category, pkg);
     79     }
     80 
     81     /** Add an integer value to the monotonically increasing counter with the given name. */
     82     public static void count(Context context, String name, int value) {
     83         EventLogTags.writeSysuiCount(name, value);
     84     }
     85 
     86     /** Increment the bucket with the integer label on the histogram with the given name. */
     87     public static void histogram(Context context, String name, int bucket) {
     88         EventLogTags.writeSysuiHistogram(name, bucket);
     89     }
     90 }
     91