[Media TTT] Add analytics logs for the receiver chip.

Fixes: 216486003
Test: verified logs printed with `adb shell cmd stats print-logs && adb
logcat -s statsd:I | grep --line-buffered ' (90)'`
Test: media.taptotransfer tests

Change-Id: I156152dabf94fa6327aa76c33b769c22ea257606

packages/SystemUI/src/com/android/systemui/media/taptotransfer/receiver/ChipStateReceiver.kt

@@ -17,8 +17,7 @@
 package com.android.systemui.media.taptotransfer.receiver
 
 import android.app.StatusBarManager
-import com.android.systemui.media.taptotransfer.common.DEFAULT_TIMEOUT_MILLIS
-import com.android.systemui.media.taptotransfer.common.ChipInfoCommon
+import com.android.internal.logging.UiEventLogger
 
 /**
  * A class that stores all the information necessary to display the media tap-to-transfer chip on
@@ -26,12 +25,15 @@ import com.android.systemui.media.taptotransfer.common.ChipInfoCommon
  */
 enum class ChipStateReceiver(
     @StatusBarManager.MediaTransferSenderState val stateInt: Int,
+    val uiEvent: UiEventLogger.UiEventEnum,
 ) {
     CLOSE_TO_SENDER(
         StatusBarManager.MEDIA_TRANSFER_RECEIVER_STATE_CLOSE_TO_SENDER,
+        MediaTttReceiverUiEvents.MEDIA_TTT_RECEIVER_CLOSE_TO_SENDER,
     ),
     FAR_FROM_SENDER(
         StatusBarManager.MEDIA_TRANSFER_RECEIVER_STATE_FAR_FROM_SENDER,
+        MediaTttReceiverUiEvents.MEDIA_TTT_RECEIVER_FAR_FROM_SENDER,
     );
 
     companion object {

packages/SystemUI/src/com/android/systemui/media/taptotransfer/receiver/MediaTttChipControllerReceiver.kt

@@ -53,6 +53,7 @@ class MediaTttChipControllerReceiver @Inject constructor(
     mainExecutor: DelayableExecutor,
     tapGestureDetector: TapGestureDetector,
     @Main private val mainHandler: Handler,
+    private val uiEventLogger: MediaTttReceiverUiEventLogger,
 ) : MediaTttChipControllerCommon<ChipReceiverInfo>(
     context,
     logger,
@@ -93,6 +94,8 @@ class MediaTttChipControllerReceiver @Inject constructor(
             Log.e(RECEIVER_TAG, "Unhandled MediaTransferReceiverState $displayState")
             return
         }
+        uiEventLogger.logReceiverStateChange(chipState)
+
         if (chipState == ChipStateReceiver.FAR_FROM_SENDER) {
             removeChip(removalReason = ChipStateReceiver.FAR_FROM_SENDER::class.simpleName!!)
             return

packages/SystemUI/src/com/android/systemui/media/taptotransfer/receiver/MediaTttReceiverUiEventLogger.kt

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2022 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.systemui.media.taptotransfer.receiver
+
+import com.android.internal.logging.UiEvent
+import com.android.internal.logging.UiEventLogger
+import com.android.systemui.dagger.SysUISingleton
+import javax.inject.Inject
+
+/** A class for analytics logging for the media tap-to-transfer chip on the receiver device. */
+@SysUISingleton
+class MediaTttReceiverUiEventLogger @Inject constructor(private val logger: UiEventLogger) {
+    /** Logs that the receiver chip has changed states. */
+    fun logReceiverStateChange(chipState: ChipStateReceiver) {
+        logger.log(chipState.uiEvent)
+    }
+}
+
+enum class MediaTttReceiverUiEvents(val metricId: Int) : UiEventLogger.UiEventEnum {
+    @UiEvent(doc = "See android.app.StatusBarManager.MEDIA_TRANSFER_RECEIVER_* docs")
+    MEDIA_TTT_RECEIVER_CLOSE_TO_SENDER(982),
+    @UiEvent(doc = "See android.app.StatusBarManager.MEDIA_TRANSFER_RECEIVER_* docs")
+    MEDIA_TTT_RECEIVER_FAR_FROM_SENDER(983);
+
+    override fun getId() = metricId
+}

packages/SystemUI/tests/src/com/android/systemui/media/taptotransfer/receiver/MediaTttChipControllerReceiverTest.kt

@@ -29,6 +29,7 @@ import android.view.ViewGroup
 import android.view.WindowManager
 import android.widget.ImageView
 import androidx.test.filters.SmallTest
+import com.android.internal.logging.testing.UiEventLoggerFake
 import com.android.systemui.R
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.media.taptotransfer.common.MediaTttLogger
@@ -70,6 +71,8 @@ class MediaTttChipControllerReceiverTest : SysuiTestCase() {
     private lateinit var commandQueue: CommandQueue
     private lateinit var commandQueueCallback: CommandQueue.Callbacks
     private lateinit var fakeAppIconDrawable: Drawable
+    private lateinit var uiEventLoggerFake: UiEventLoggerFake
+    private lateinit var receiverUiEventLogger: MediaTttReceiverUiEventLogger
 
     @Before
     fun setUp() {
@@ -83,6 +86,9 @@ class MediaTttChipControllerReceiverTest : SysuiTestCase() {
         )).thenReturn(applicationInfo)
         context.setMockPackageManager(packageManager)
 
+        uiEventLoggerFake = UiEventLoggerFake()
+        receiverUiEventLogger = MediaTttReceiverUiEventLogger(uiEventLoggerFake)
+
         controllerReceiver = MediaTttChipControllerReceiver(
             commandQueue,
             context,
@@ -92,6 +98,7 @@ class MediaTttChipControllerReceiverTest : SysuiTestCase() {
             FakeExecutor(FakeSystemClock()),
             TapGestureDetector(context),
             Handler.getMain(),
+            receiverUiEventLogger,
         )
 
         val callbackCaptor = ArgumentCaptor.forClass(CommandQueue.Callbacks::class.java)
@@ -110,6 +117,9 @@ class MediaTttChipControllerReceiverTest : SysuiTestCase() {
         )
 
         assertThat(getChipView().getAppIconView().contentDescription).isEqualTo(appName)
+        assertThat(uiEventLoggerFake.eventId(0)).isEqualTo(
+            MediaTttReceiverUiEvents.MEDIA_TTT_RECEIVER_CLOSE_TO_SENDER.id
+        )
     }
 
     @Test
@@ -122,6 +132,9 @@ class MediaTttChipControllerReceiverTest : SysuiTestCase() {
         )
 
         verify(windowManager, never()).addView(any(), any())
+        assertThat(uiEventLoggerFake.eventId(0)).isEqualTo(
+            MediaTttReceiverUiEvents.MEDIA_TTT_RECEIVER_FAR_FROM_SENDER.id
+        )
     }
 
     @Test

packages/SystemUI/tests/src/com/android/systemui/media/taptotransfer/receiver/MediaTttReceiverUiEventLoggerTest.kt

@@ -0,0 +1,30 @@
+package com.android.systemui.media.taptotransfer.receiver
+
+import androidx.test.filters.SmallTest
+import com.android.internal.logging.testing.UiEventLoggerFake
+import com.android.systemui.SysuiTestCase
+import com.google.common.truth.Truth.assertThat
+import org.junit.Before
+import org.junit.Test
+
+@SmallTest
+class MediaTttReceiverUiEventLoggerTest : SysuiTestCase() {
+    private lateinit var uiEventLoggerFake: UiEventLoggerFake
+    private lateinit var logger: MediaTttReceiverUiEventLogger
+
+    @Before
+    fun setUp() {
+        uiEventLoggerFake = UiEventLoggerFake()
+        logger = MediaTttReceiverUiEventLogger(uiEventLoggerFake)
+    }
+
+    @Test
+    fun logReceiverStateChange_eventAssociatedWithStateIsLogged() {
+        val state = ChipStateReceiver.CLOSE_TO_SENDER
+
+        logger.logReceiverStateChange(state)
+
+        assertThat(uiEventLoggerFake.numLogs()).isEqualTo(1)
+        assertThat(uiEventLoggerFake.eventId(0)).isEqualTo(state.uiEvent.id)
+    }
+}