Disable player's "Dismiss" button when notification is not dismissible.

Bug: 169271494
Test: manual
Change-Id: I3c2a73e4885642965ec553387b5e91f0cb16ff2f
Merged-In: I3c2a73e4885642965ec553387b5e91f0cb16ff2f

packages/SystemUI/res/values/strings.xml

@@ -2820,6 +2820,8 @@
     <string name="controls_media_title">Media</string>
     <!-- Explanation for closing controls associated with a specific media session [CHAR_LIMIT=NONE] -->
     <string name="controls_media_close_session">Hide the current session.</string>
+    <!-- Explanation that controls associated with a specific media session are active [CHAR_LIMIT=NONE] -->
+    <string name="controls_media_active_session">Current session cannot be hidden.</string>
     <!-- Label for a button that will hide media controls [CHAR_LIMIT=30] -->
     <string name="controls_media_dismiss_button">Dismiss</string>
     <!-- Label for button to resume media playback [CHAR_LIMIT=NONE] -->

packages/SystemUI/src/com/android/systemui/media/MediaControlPanel.java

@@ -359,7 +359,15 @@ public class MediaControlPanel {
         final MediaController controller = getController();
         mBackgroundExecutor.execute(() -> mSeekBarViewModel.updateController(controller));
 
+        // Guts label
+        boolean isDismissible = data.isClearable();
+        mViewHolder.getSettingsText().setText(isDismissible
+                ? R.string.controls_media_close_session
+                : R.string.controls_media_active_session);
+
         // Dismiss
+        mViewHolder.getDismissLabel().setAlpha(isDismissible ? 1 : DISABLED_ALPHA);
+        mViewHolder.getDismiss().setEnabled(isDismissible);
         mViewHolder.getDismiss().setOnClickListener(v -> {
             if (mKey != null) {
                 closeGuts();

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

@@ -60,8 +60,10 @@ class PlayerViewHolder private constructor(itemView: View) {
     val action4 = itemView.requireViewById<ImageButton>(R.id.action4)
 
     // Settings screen
+    val settingsText = itemView.requireViewById<TextView>(R.id.remove_text)
     val cancel = itemView.requireViewById<View>(R.id.cancel)
-    val dismiss = itemView.requireViewById<View>(R.id.dismiss)
+    val dismiss = itemView.requireViewById<ViewGroup>(R.id.dismiss)
+    val dismissLabel = dismiss.getChildAt(0)
     val settings = itemView.requireViewById<View>(R.id.settings)
 
     init {

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

@@ -109,9 +109,11 @@ public class MediaControlPanelTest : SysuiTestCase() {
     private lateinit var action2: ImageButton
     private lateinit var action3: ImageButton
     private lateinit var action4: ImageButton
+    private lateinit var settingsText: TextView
     private lateinit var settings: View
     private lateinit var cancel: View
-    private lateinit var dismiss: View
+    private lateinit var dismiss: FrameLayout
+    private lateinit var dismissLabel: View
 
     private lateinit var session: MediaSession
     private val device = MediaDeviceData(true, null, DEVICE_NAME)
@@ -168,12 +170,16 @@ public class MediaControlPanelTest : SysuiTestCase() {
         whenever(holder.action3).thenReturn(action3)
         action4 = ImageButton(context)
         whenever(holder.action4).thenReturn(action4)
+        settingsText = TextView(context)
+        whenever(holder.settingsText).thenReturn(settingsText)
         settings = View(context)
         whenever(holder.settings).thenReturn(settings)
         cancel = View(context)
         whenever(holder.cancel).thenReturn(cancel)
-        dismiss = View(context)
+        dismiss = FrameLayout(context)
         whenever(holder.dismiss).thenReturn(dismiss)
+        dismissLabel = View(context)
+        whenever(holder.dismissLabel).thenReturn(dismissLabel)
 
         // Create media session
         val metadataBuilder = MediaMetadata.Builder().apply {
@@ -327,6 +333,7 @@ public class MediaControlPanelTest : SysuiTestCase() {
                 notificationKey = KEY)
         player.bind(state, mediaKey)
 
+        assertThat(dismiss.isEnabled).isEqualTo(true)
         dismiss.callOnClick()
         val captor = ArgumentCaptor.forClass(ActivityStarter.OnDismissAction::class.java)
         verify(keyguardDismissUtil).executeWhenUnlocked(captor.capture(), anyBoolean())
@@ -334,4 +341,16 @@ public class MediaControlPanelTest : SysuiTestCase() {
         captor.value.onDismiss()
         verify(mediaDataManager).dismissMediaData(eq(mediaKey), anyLong())
     }
+
+    @Test
+    fun dismissButtonDisabled() {
+        val mediaKey = "key for dismissal"
+        player.attach(holder)
+        val state = MediaData(USER_ID, true, BG_COLOR, APP, null, ARTIST, TITLE, null, emptyList(),
+                emptyList(), PACKAGE, session.getSessionToken(), null, null, true, null,
+                isClearable = false, notificationKey = KEY)
+        player.bind(state, mediaKey)
+
+        assertThat(dismiss.isEnabled).isEqualTo(false)
+    }
 }