Add implementation for SliceMetrics

Bug: 76150975
Test: atest cts/tests/tests/slice
Change-Id: Ide07b6b490434841978df86794b048b997d523be

core/java/android/app/slice/SliceMetrics.java

@@ -18,9 +18,11 @@
 
 import android.annotation.NonNull;
 import android.content.Context;
+import android.metrics.LogMaker;
 import android.net.Uri;
 
 import com.android.internal.logging.MetricsLogger;
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 
 /**
  * Metrics interface for slices.
@@ -34,24 +36,38 @@ public class SliceMetrics {
 
     private static final String TAG = "SliceMetrics";
     private MetricsLogger mMetricsLogger;
+    private LogMaker mLogMaker;
 
     /**
      * An object to be used throughout the life of a slice to register events.
      */
     public SliceMetrics(@NonNull Context context, @NonNull Uri uri) {
         mMetricsLogger = new MetricsLogger();
+        mLogMaker = new LogMaker(MetricsEvent.VIEW_UNKNOWN);
+        mLogMaker.addTaggedData(MetricsEvent.FIELD_SLICE_AUTHORITY, uri.getAuthority());
+        mLogMaker.addTaggedData(MetricsEvent.FIELD_SLICE_PATH, uri.getPath());
     }
 
     /**
      * To be called whenever the slice becomes visible to the user.
      */
     public void logVisible() {
+        synchronized (mLogMaker)  {
+            mLogMaker.setCategory(MetricsEvent.SLICE)
+                    .setType(MetricsEvent.TYPE_OPEN);
+            mMetricsLogger.write(mLogMaker);
+        }
     }
 
     /**
      * To be called whenever the slice becomes invisible to the user.
      */
     public void logHidden() {
+        synchronized (mLogMaker)  {
+            mLogMaker.setCategory(MetricsEvent.SLICE)
+                    .setType(MetricsEvent.TYPE_CLOSE);
+            mMetricsLogger.write(mLogMaker);
+        }
     }
 
     /**
@@ -68,5 +84,12 @@ public void logHidden() {
      * @param subSlice The URI of the sub-slice that is the subject of the interaction.
      */
     public void logTouch(int actionType, @NonNull Uri subSlice) {
+        synchronized (mLogMaker)  {
+            mLogMaker.setCategory(MetricsEvent.SLICE)
+                    .setType(MetricsEvent.TYPE_ACTION)
+                    .addTaggedData(MetricsEvent.FIELD_SUBSLICE_AUTHORITY, subSlice.getAuthority())
+                    .addTaggedData(MetricsEvent.FIELD_SUBSLICE_PATH, subSlice.getPath());
+            mMetricsLogger.write(mLogMaker);
+        }
     }
 }

proto/src/metrics_constants.proto

@@ -5717,6 +5717,24 @@ message MetricsEvent {
     // OS: P
     SETTINGS_ZEN_NOTIFICATIONS = 1400;
 
+    // An event category for slices.
+    // OPEN: Slice became visible.
+    // CLOSE: Slice became invisible.
+    // ACTION: Slice was tapped.
+    SLICE = 1401;
+
+    // The authority part of the slice URI
+    FIELD_SLICE_AUTHORITY = 1402;
+
+    // The path part of the slice URI
+    FIELD_SLICE_PATH = 1403;
+
+    // The authority part of the subslice URI
+    FIELD_SUBSLICE_AUTHORITY = 1404;
+
+    // The path part of the subslice URI
+    FIELD_SUBSLICE_PATH = 1405;
+
     // ---- End P Constants, all P constants go above this line ----
     // Add new aosp constants above this line.
     // END OF AOSP CONSTANTS