Merge "Marshal data to Launcher to support widget recommendations." into main
diff --git a/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/view/viewmodel/CommunalEditModeViewModelTest.kt b/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/view/viewmodel/CommunalEditModeViewModelTest.kt
index 8e2e947..a7e98ea 100644
--- a/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/view/viewmodel/CommunalEditModeViewModelTest.kt
+++ b/packages/SystemUI/multivalentTests/src/com/android/systemui/communal/view/viewmodel/CommunalEditModeViewModelTest.kt
@@ -18,10 +18,16 @@
 
 import android.app.smartspace.SmartspaceTarget
 import android.appwidget.AppWidgetProviderInfo
+import android.content.ActivityNotFoundException
+import android.content.Intent
+import android.content.pm.ActivityInfo
+import android.content.pm.PackageManager
+import android.content.pm.ResolveInfo
 import android.content.pm.UserInfo
 import android.os.UserHandle
 import android.provider.Settings
 import android.widget.RemoteViews
+import androidx.activity.result.ActivityResultLauncher
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.filters.SmallTest
 import com.android.internal.logging.UiEventLogger
@@ -39,6 +45,7 @@
 import com.android.systemui.communal.shared.model.CommunalWidgetContentModel
 import com.android.systemui.communal.ui.viewmodel.CommunalEditModeViewModel
 import com.android.systemui.coroutines.collectLastValue
+import com.android.systemui.kosmos.testDispatcher
 import com.android.systemui.kosmos.testScope
 import com.android.systemui.log.logcatLogBuffer
 import com.android.systemui.media.controls.ui.view.MediaHost
@@ -46,15 +53,19 @@
 import com.android.systemui.smartspace.data.repository.FakeSmartspaceRepository
 import com.android.systemui.smartspace.data.repository.fakeSmartspaceRepository
 import com.android.systemui.testKosmos
-import com.android.systemui.util.mockito.mock
+import com.android.systemui.util.mockito.any
 import com.android.systemui.util.mockito.whenever
 import com.google.common.truth.Truth.assertThat
 import kotlinx.coroutines.test.runTest
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
+import org.mockito.ArgumentMatchers.anyInt
 import org.mockito.Mock
 import org.mockito.Mockito
+import org.mockito.Mockito.never
 import org.mockito.Mockito.verify
 import org.mockito.MockitoAnnotations
 
@@ -64,6 +75,8 @@
     @Mock private lateinit var mediaHost: MediaHost
     @Mock private lateinit var uiEventLogger: UiEventLogger
     @Mock private lateinit var providerInfo: AppWidgetProviderInfo
+    @Mock private lateinit var packageManager: PackageManager
+    @Mock private lateinit var activityResultLauncher: ActivityResultLauncher<Intent>
 
     private val kosmos = testKosmos()
     private val testScope = kosmos.testScope
@@ -73,6 +86,8 @@
     private lateinit var smartspaceRepository: FakeSmartspaceRepository
     private lateinit var mediaRepository: FakeCommunalMediaRepository
 
+    private val testableResources = context.orCreateTestableResources
+
     private lateinit var underTest: CommunalEditModeViewModel
 
     @Before
@@ -96,6 +111,7 @@
                 mediaHost,
                 uiEventLogger,
                 logcatLogBuffer("CommunalEditModeViewModelTest"),
+                kosmos.testDispatcher,
             )
     }
 
@@ -217,7 +233,69 @@
         verify(uiEventLogger).log(CommunalUiEvent.COMMUNAL_HUB_REORDER_WIDGET_CANCEL)
     }
 
+    @Test
+    fun onOpenWidgetPicker_launchesWidgetPickerActivity() {
+        testScope.runTest {
+            whenever(packageManager.resolveActivity(any(), anyInt())).then {
+                ResolveInfo().apply {
+                    activityInfo = ActivityInfo().apply { packageName = WIDGET_PICKER_PACKAGE_NAME }
+                }
+            }
+
+            val success =
+                underTest.onOpenWidgetPicker(
+                    testableResources.resources,
+                    packageManager,
+                    activityResultLauncher
+                )
+
+            verify(activityResultLauncher).launch(any())
+            assertTrue(success)
+        }
+    }
+
+    @Test
+    fun onOpenWidgetPicker_launcherActivityNotResolved_doesNotLaunchWidgetPickerActivity() {
+        testScope.runTest {
+            whenever(packageManager.resolveActivity(any(), anyInt())).thenReturn(null)
+
+            val success =
+                underTest.onOpenWidgetPicker(
+                    testableResources.resources,
+                    packageManager,
+                    activityResultLauncher
+                )
+
+            verify(activityResultLauncher, never()).launch(any())
+            assertFalse(success)
+        }
+    }
+
+    @Test
+    fun onOpenWidgetPicker_activityLaunchThrowsException_failure() {
+        testScope.runTest {
+            whenever(packageManager.resolveActivity(any(), anyInt())).then {
+                ResolveInfo().apply {
+                    activityInfo = ActivityInfo().apply { packageName = WIDGET_PICKER_PACKAGE_NAME }
+                }
+            }
+
+            whenever(activityResultLauncher.launch(any()))
+                .thenThrow(ActivityNotFoundException::class.java)
+
+            val success =
+                underTest.onOpenWidgetPicker(
+                    testableResources.resources,
+                    packageManager,
+                    activityResultLauncher,
+                )
+
+            assertFalse(success)
+        }
+    }
+
     private companion object {
         val MAIN_USER_INFO = UserInfo(0, "primary", UserInfo.FLAG_MAIN)
+        const val WIDGET_PICKER_PACKAGE_NAME = "widget_picker_package_name"
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/communal/ui/viewmodel/CommunalEditModeViewModel.kt b/packages/SystemUI/src/com/android/systemui/communal/ui/viewmodel/CommunalEditModeViewModel.kt
index bfe751a..afa7c37 100644
--- a/packages/SystemUI/src/com/android/systemui/communal/ui/viewmodel/CommunalEditModeViewModel.kt
+++ b/packages/SystemUI/src/com/android/systemui/communal/ui/viewmodel/CommunalEditModeViewModel.kt
@@ -16,24 +16,36 @@
 
 package com.android.systemui.communal.ui.viewmodel
 
+import android.appwidget.AppWidgetManager
+import android.appwidget.AppWidgetProviderInfo
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.content.res.Resources
+import android.util.Log
+import androidx.activity.result.ActivityResultLauncher
 import com.android.internal.logging.UiEventLogger
 import com.android.systemui.communal.domain.interactor.CommunalInteractor
 import com.android.systemui.communal.domain.interactor.CommunalSettingsInteractor
 import com.android.systemui.communal.domain.model.CommunalContentModel
 import com.android.systemui.communal.shared.log.CommunalUiEvent
 import com.android.systemui.dagger.SysUISingleton
+import com.android.systemui.dagger.qualifiers.Background
 import com.android.systemui.log.LogBuffer
 import com.android.systemui.log.core.Logger
 import com.android.systemui.log.dagger.CommunalLog
 import com.android.systemui.media.controls.ui.view.MediaHost
 import com.android.systemui.media.dagger.MediaModule
+import com.android.systemui.res.R
 import javax.inject.Inject
 import javax.inject.Named
+import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.withContext
 
 /** The view model for communal hub in edit mode. */
 @SysUISingleton
@@ -45,6 +57,7 @@
     @Named(MediaModule.COMMUNAL_HUB) mediaHost: MediaHost,
     private val uiEventLogger: UiEventLogger,
     @CommunalLog logBuffer: LogBuffer,
+    @Background private val backgroundDispatcher: CoroutineDispatcher,
 ) : BaseCommunalViewModel(communalInteractor, mediaHost) {
 
     private val logger = Logger(logBuffer, "CommunalEditModeViewModel")
@@ -86,10 +99,77 @@
         uiEventLogger.log(CommunalUiEvent.COMMUNAL_HUB_REORDER_WIDGET_CANCEL)
     }
 
-    /** Returns the widget categories to show on communal hub. */
-    val getCommunalWidgetCategories: Int
-        get() = communalSettingsInteractor.communalWidgetCategories.value
+    /** Launch the widget picker activity using the given {@link ActivityResultLauncher}. */
+    suspend fun onOpenWidgetPicker(
+        resources: Resources,
+        packageManager: PackageManager,
+        activityLauncher: ActivityResultLauncher<Intent>
+    ): Boolean =
+        withContext(backgroundDispatcher) {
+            val widgets = communalInteractor.widgetContent.first()
+            val excludeList = widgets.mapTo(ArrayList()) { it.providerInfo }
+            getWidgetPickerActivityIntent(resources, packageManager, excludeList)?.let {
+                try {
+                    activityLauncher.launch(it)
+                    return@withContext true
+                } catch (e: Exception) {
+                    Log.e(TAG, "Failed to launch widget picker activity", e)
+                }
+            }
+            false
+        }
+
+    private fun getWidgetPickerActivityIntent(
+        resources: Resources,
+        packageManager: PackageManager,
+        excludeList: ArrayList<AppWidgetProviderInfo>
+    ): Intent? {
+        val packageName =
+            getLauncherPackageName(packageManager)
+                ?: run {
+                    Log.e(TAG, "Couldn't resolve launcher package name")
+                    return@getWidgetPickerActivityIntent null
+                }
+
+        return Intent(Intent.ACTION_PICK).apply {
+            setPackage(packageName)
+            putExtra(
+                EXTRA_DESIRED_WIDGET_WIDTH,
+                resources.getDimensionPixelSize(R.dimen.communal_widget_picker_desired_width)
+            )
+            putExtra(
+                EXTRA_DESIRED_WIDGET_HEIGHT,
+                resources.getDimensionPixelSize(R.dimen.communal_widget_picker_desired_height)
+            )
+            putExtra(
+                AppWidgetManager.EXTRA_CATEGORY_FILTER,
+                communalSettingsInteractor.communalWidgetCategories.value
+            )
+            putExtra(EXTRA_UI_SURFACE_KEY, EXTRA_UI_SURFACE_VALUE)
+            putParcelableArrayListExtra(EXTRA_ADDED_APP_WIDGETS_KEY, excludeList)
+        }
+    }
+
+    private fun getLauncherPackageName(packageManager: PackageManager): String? {
+        return packageManager
+            .resolveActivity(
+                Intent(Intent.ACTION_MAIN).also { it.addCategory(Intent.CATEGORY_HOME) },
+                PackageManager.MATCH_DEFAULT_ONLY
+            )
+            ?.activityInfo
+            ?.packageName
+    }
 
     /** Sets whether edit mode is currently open */
     fun setEditModeOpen(isOpen: Boolean) = communalInteractor.setEditModeOpen(isOpen)
+
+    companion object {
+        private const val TAG = "CommunalEditModeViewModel"
+
+        private const val EXTRA_DESIRED_WIDGET_WIDTH = "desired_widget_width"
+        private const val EXTRA_DESIRED_WIDGET_HEIGHT = "desired_widget_height"
+        private const val EXTRA_UI_SURFACE_KEY = "ui_surface"
+        private const val EXTRA_UI_SURFACE_VALUE = "widgets_hub"
+        const val EXTRA_ADDED_APP_WIDGETS_KEY = "added_app_widgets"
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/communal/widgets/EditWidgetsActivity.kt b/packages/SystemUI/src/com/android/systemui/communal/widgets/EditWidgetsActivity.kt
index b6ad26b..ba18f01 100644
--- a/packages/SystemUI/src/com/android/systemui/communal/widgets/EditWidgetsActivity.kt
+++ b/packages/SystemUI/src/com/android/systemui/communal/widgets/EditWidgetsActivity.kt
@@ -16,9 +16,7 @@
 
 package com.android.systemui.communal.widgets
 
-import android.appwidget.AppWidgetManager
 import android.content.Intent
-import android.content.pm.PackageManager
 import android.os.Bundle
 import android.os.RemoteException
 import android.util.Log
@@ -32,6 +30,8 @@
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.ui.Modifier
+import androidx.lifecycle.lifecycleScope
+import com.android.app.tracing.coroutines.launch
 import com.android.compose.theme.LocalAndroidColorScheme
 import com.android.compose.theme.PlatformTheme
 import com.android.internal.logging.UiEventLogger
@@ -43,8 +43,8 @@
 import com.android.systemui.log.LogBuffer
 import com.android.systemui.log.core.Logger
 import com.android.systemui.log.dagger.CommunalLog
-import com.android.systemui.res.R
 import javax.inject.Inject
+import kotlinx.coroutines.launch
 
 /** An Activity for editing the widgets that appear in hub mode. */
 class EditWidgetsActivity
@@ -57,11 +57,8 @@
     @CommunalLog logBuffer: LogBuffer,
 ) : ComponentActivity() {
     companion object {
-        private const val EXTRA_IS_PENDING_WIDGET_DRAG = "is_pending_widget_drag"
-        private const val EXTRA_DESIRED_WIDGET_WIDTH = "desired_widget_width"
-        private const val EXTRA_DESIRED_WIDGET_HEIGHT = "desired_widget_height"
-
         private const val TAG = "EditWidgetsActivity"
+        private const val EXTRA_IS_PENDING_WIDGET_DRAG = "is_pending_widget_drag"
         const val EXTRA_PRESELECTED_KEY = "preselected_key"
     }
 
@@ -136,39 +133,13 @@
     }
 
     private fun onOpenWidgetPicker() {
-        val intent = Intent(Intent.ACTION_MAIN).also { it.addCategory(Intent.CATEGORY_HOME) }
-        packageManager
-            .resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY)
-            ?.activityInfo
-            ?.packageName
-            ?.let { packageName ->
-                try {
-                    addWidgetActivityLauncher.launch(
-                        Intent(Intent.ACTION_PICK).apply {
-                            setPackage(packageName)
-                            putExtra(
-                                EXTRA_DESIRED_WIDGET_WIDTH,
-                                resources.getDimensionPixelSize(
-                                    R.dimen.communal_widget_picker_desired_width
-                                )
-                            )
-                            putExtra(
-                                EXTRA_DESIRED_WIDGET_HEIGHT,
-                                resources.getDimensionPixelSize(
-                                    R.dimen.communal_widget_picker_desired_height
-                                )
-                            )
-                            putExtra(
-                                AppWidgetManager.EXTRA_CATEGORY_FILTER,
-                                communalViewModel.getCommunalWidgetCategories
-                            )
-                        }
-                    )
-                } catch (e: Exception) {
-                    Log.e(TAG, "Failed to launch widget picker activity", e)
-                }
-            }
-            ?: run { Log.e(TAG, "Couldn't resolve launcher package name") }
+        lifecycleScope.launch {
+            communalViewModel.onOpenWidgetPicker(
+                resources,
+                packageManager,
+                addWidgetActivityLauncher
+            )
+        }
     }
 
     private fun onEditDone() {