Dump list of saved resume components

Bug: 176956314
Test: take bugreport, verify is in dumpsys
Test: atest MediaResumeListenerTest
Change-Id: Ie2e3b982a112b03d336d749e3d113071225058bc

packages/SystemUI/src/com/android/systemui/media/MediaResumeListener.kt

@@ -29,11 +29,15 @@ import android.provider.Settings
 import android.service.media.MediaBrowserService
 import android.util.Log
 import com.android.internal.annotations.VisibleForTesting
+import com.android.systemui.Dumpable
 import com.android.systemui.broadcast.BroadcastDispatcher
 import com.android.systemui.dagger.SysUISingleton
 import com.android.systemui.dagger.qualifiers.Background
+import com.android.systemui.dump.DumpManager
 import com.android.systemui.tuner.TunerService
 import com.android.systemui.util.Utils
+import java.io.FileDescriptor
+import java.io.PrintWriter
 import java.util.concurrent.ConcurrentLinkedQueue
 import java.util.concurrent.Executor
 import javax.inject.Inject
@@ -49,8 +53,9 @@ class MediaResumeListener @Inject constructor(
     private val broadcastDispatcher: BroadcastDispatcher,
     @Background private val backgroundExecutor: Executor,
     private val tunerService: TunerService,
-    private val mediaBrowserFactory: ResumeMediaBrowserFactory
-) : MediaDataManager.Listener {
+    private val mediaBrowserFactory: ResumeMediaBrowserFactory,
+    dumpManager: DumpManager
+) : MediaDataManager.Listener, Dumpable {
 
     private var useMediaResumption: Boolean = Utils.useMediaResumption(context)
     private val resumeComponents: ConcurrentLinkedQueue<ComponentName> = ConcurrentLinkedQueue()
@@ -99,6 +104,7 @@ class MediaResumeListener @Inject constructor(
 
     init {
         if (useMediaResumption) {
+            dumpManager.registerDumpable(TAG, this)
             val unlockFilter = IntentFilter()
             unlockFilter.addAction(Intent.ACTION_USER_UNLOCKED)
             unlockFilter.addAction(Intent.ACTION_USER_SWITCHED)
@@ -283,4 +289,10 @@ class MediaResumeListener @Inject constructor(
             mediaBrowser?.restart()
         }
     }
+
+    override fun dump(fd: FileDescriptor, pw: PrintWriter, args: Array<out String>) {
+        pw.apply {
+            println("resumeComponents: $resumeComponents")
+        }
+    }
 }

packages/SystemUI/tests/src/com/android/systemui/media/MediaResumeListenerTest.kt

@@ -33,6 +33,7 @@ import android.testing.TestableLooper
 import androidx.test.filters.SmallTest
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.broadcast.BroadcastDispatcher
+import com.android.systemui.dump.DumpManager
 import com.android.systemui.tuner.TunerService
 import com.android.systemui.util.concurrency.FakeExecutor
 import com.android.systemui.util.time.FakeSystemClock
@@ -85,6 +86,7 @@ class MediaResumeListenerTest : SysuiTestCase() {
     @Mock private lateinit var sharedPrefsEditor: SharedPreferences.Editor
     @Mock private lateinit var mockContext: Context
     @Mock private lateinit var pendingIntent: PendingIntent
+    @Mock private lateinit var dumpManager: DumpManager
 
     @Captor lateinit var callbackCaptor: ArgumentCaptor<ResumeMediaBrowser.Callback>
 
@@ -120,7 +122,7 @@ class MediaResumeListenerTest : SysuiTestCase() {
 
         executor = FakeExecutor(FakeSystemClock())
         resumeListener = MediaResumeListener(mockContext, broadcastDispatcher, executor,
-                tunerService, resumeBrowserFactory)
+                tunerService, resumeBrowserFactory, dumpManager)
         resumeListener.setManager(mediaDataManager)
         mediaDataManager.addListener(resumeListener)
 
@@ -159,7 +161,7 @@ class MediaResumeListenerTest : SysuiTestCase() {
 
         // When listener is created, we do NOT register a user change listener
         val listener = MediaResumeListener(context, broadcastDispatcher, executor, tunerService,
-                resumeBrowserFactory)
+                resumeBrowserFactory, dumpManager)
         listener.setManager(mediaDataManager)
         verify(broadcastDispatcher, never()).registerReceiver(eq(listener.userChangeReceiver),
             any(), any(), any())