[Device Controls] In the device controls QS tile, have the subtitle show the preferred structure name.

Fixes: 186428336
Test: Manual
Change-Id: I81953e7ae82fd1c8bf418a7f2251eef8554241ad

packages/SystemUI/src/com/android/systemui/controls/controller/ControlsController.kt

@@ -184,6 +184,9 @@ interface ControlsController : UserAwareController {
      */
     fun countFavoritesForComponent(componentName: ComponentName): Int
 
+    /** See [ControlsUiController.getPreferredStructure]. */
+    fun getPreferredStructure(): StructureInfo
+
     /**
      * Interface for structure to pass data to [ControlsFavoritingActivity].
      */

packages/SystemUI/src/com/android/systemui/controls/controller/ControlsControllerImpl.kt

@@ -556,6 +556,10 @@ class ControlsControllerImpl @Inject constructor (
         )
     }
 
+    override fun getPreferredStructure(): StructureInfo {
+        return uiController.getPreferredStructure(getFavorites())
+    }
+
     override fun dump(fd: FileDescriptor, pw: PrintWriter, args: Array<out String>) {
         pw.println("ControlsController state:")
         pw.println("  Changing users: $userChanging")

packages/SystemUI/src/com/android/systemui/controls/ui/ControlsUiController.kt

@@ -21,6 +21,7 @@ import android.content.Context
 import android.service.controls.Control
 import android.service.controls.actions.ControlAction
 import android.view.ViewGroup
+import com.android.systemui.controls.controller.StructureInfo
 
 interface ControlsUiController {
     companion object {
@@ -43,4 +44,11 @@ interface ControlsUiController {
         controlId: String,
         @ControlAction.ResponseResult response: Int
     )
+
+    /**
+     * Returns the structure that is currently preferred by the user.
+     *
+     * This structure will be the one that appears when the user first opens the controls activity.
+     */
+    fun getPreferredStructure(structures: List<StructureInfo>): StructureInfo
 }

packages/SystemUI/src/com/android/systemui/controls/ui/ControlsUiControllerImpl.kt

@@ -165,7 +165,7 @@ class ControlsUiControllerImpl @Inject constructor (
         controlActionCoordinator.activityContext = activityContext
 
         allStructures = controlsController.get().getFavorites()
-        selectedStructure = loadPreference(allStructures)
+        selectedStructure = getPreferredStructure(allStructures)
 
         if (controlsController.get().addSeedingFavoritesCallback(onSeedingComplete)) {
             listingCallback = createCallback(::showSeedingView)
@@ -448,7 +448,7 @@ class ControlsUiControllerImpl @Inject constructor (
         return maxColumns
     }
 
-    private fun loadPreference(structures: List<StructureInfo>): StructureInfo {
+    override fun getPreferredStructure(structures: List<StructureInfo>): StructureInfo {
         if (structures.isEmpty()) return EMPTY_STRUCTURE
 
         val component = sharedPreferences.getString(PREF_COMPONENT, null)?.let {

packages/SystemUI/src/com/android/systemui/qs/tiles/DeviceControlsTile.kt

@@ -124,7 +124,8 @@ class DeviceControlsTile @Inject constructor(
         if (controlsComponent.isEnabled() && hasControlsApps.get()) {
             if (controlsComponent.getVisibility() == AVAILABLE) {
                 state.state = Tile.STATE_ACTIVE
-                state.secondaryLabel = ""
+                state.secondaryLabel = controlsComponent
+                        .getControlsController().get().getPreferredStructure().structure
             } else {
                 state.state = Tile.STATE_INACTIVE
                 state.secondaryLabel = mContext.getText(R.string.controls_tile_locked)

packages/SystemUI/tests/src/com/android/systemui/qs/tiles/DeviceControlsTileTest.kt

@@ -16,6 +16,7 @@
 
 package com.android.systemui.qs.tiles
 
+import android.content.ComponentName
 import android.os.Handler
 import android.content.Context
 import android.content.Intent
@@ -32,6 +33,7 @@ import com.android.systemui.animation.ActivityLaunchAnimator
 import com.android.systemui.classifier.FalsingManagerFake
 import com.android.systemui.controls.ControlsServiceInfo
 import com.android.systemui.controls.controller.ControlsController
+import com.android.systemui.controls.controller.StructureInfo
 import com.android.systemui.controls.dagger.ControlsComponent
 import com.android.systemui.controls.management.ControlsListingController
 import com.android.systemui.controls.ui.ControlsUiController
@@ -113,6 +115,8 @@ class DeviceControlsTileTest : SysuiTestCase() {
         `when`(qsHost.uiEventLogger).thenReturn(uiEventLogger)
         `when`(controlsComponent.isEnabled()).thenReturn(true)
         `when`(keyguardStateController.isUnlocked()).thenReturn(true)
+        `when`(controlsController.getPreferredStructure())
+                .thenReturn(StructureInfo(ComponentName("pkg", "cls"), "structure", listOf()))
         secureSettings.putInt(Settings.Secure.LOCKSCREEN_SHOW_CONTROLS, 1)
 
         setupControlsComponent()