Merge "Update widgetsModel to return pickable vs all widgets separately." into main
diff --git a/quickstep/src/com/android/launcher3/WidgetPickerActivity.java b/quickstep/src/com/android/launcher3/WidgetPickerActivity.java
index 1cf7dda..f992913 100644
--- a/quickstep/src/com/android/launcher3/WidgetPickerActivity.java
+++ b/quickstep/src/com/android/launcher3/WidgetPickerActivity.java
@@ -322,13 +322,14 @@
             stringCache.loadStrings(this);
 
             bindStringCache(stringCache);
-            bindWidgets(mModel.getWidgetsByPackageItem(), mModel.getDefaultWidgetsFilter());
+            bindWidgets(mModel.getWidgetsByPackageItemForPicker(),
+                    mModel.getDefaultWidgetsFilter());
             // Open sheet once widgets are available, so that it doesn't interrupt the open
             // animation.
             openWidgetsSheet();
             if (mUiSurface != null) {
                 mWidgetPredictionsRequester = new WidgetPredictionsRequester(app.getContext(),
-                        mUiSurface, mModel.getWidgetsByComponentKey());
+                        mUiSurface, mModel.getWidgetsByComponentKeyForPicker());
                 mWidgetPredictionsRequester.request(mAddedWidgets, this::bindRecommendedWidgets);
             }
         });
diff --git a/quickstep/src/com/android/launcher3/model/WidgetsPredictionUpdateTask.java b/quickstep/src/com/android/launcher3/model/WidgetsPredictionUpdateTask.java
index 40e1c10..9626a61 100644
--- a/quickstep/src/com/android/launcher3/model/WidgetsPredictionUpdateTask.java
+++ b/quickstep/src/com/android/launcher3/model/WidgetsPredictionUpdateTask.java
@@ -79,7 +79,7 @@
         // Widgets (excluding shortcuts & already added widgets) that belong to apps eligible for
         // being in predictions.
         Map<ComponentKey, WidgetItem> allEligibleWidgets =
-                dataModel.widgetsModel.getWidgetsByComponentKey()
+                dataModel.widgetsModel.getWidgetsByComponentKeyForPicker()
                         .entrySet()
                         .stream()
                         .filter(entry -> entry.getValue().widgetInfo != null
diff --git a/quickstep/tests/src/com/android/launcher3/model/WidgetsPredicationUpdateTaskTest.java b/quickstep/tests/src/com/android/launcher3/model/WidgetsPredicationUpdateTaskTest.java
index fa2eb1e..d52d054 100644
--- a/quickstep/tests/src/com/android/launcher3/model/WidgetsPredicationUpdateTaskTest.java
+++ b/quickstep/tests/src/com/android/launcher3/model/WidgetsPredicationUpdateTaskTest.java
@@ -91,6 +91,7 @@
     private AppWidgetProviderInfo mApp4Provider1;
     private AppWidgetProviderInfo mApp4Provider2;
     private AppWidgetProviderInfo mApp5Provider1;
+    private AppWidgetProviderInfo mApp6PinOnlyProvider1;
     private List<AppWidgetProviderInfo> allWidgets;
 
     private FakeBgDataModelCallback mCallback = new FakeBgDataModelCallback();
@@ -117,8 +118,14 @@
                 ComponentName.createRelative("app4", ".provider2"));
         mApp5Provider1 = createAppWidgetProviderInfo(
                 ComponentName.createRelative("app5", "provider1"));
+        mApp6PinOnlyProvider1 = createAppWidgetProviderInfo(
+                ComponentName.createRelative("app6", "provider1"),
+                /*hideFromPicker=*/ true
+        );
+
+
         allWidgets = Arrays.asList(mApp1Provider1, mApp1Provider2, mApp2Provider1,
-                mApp4Provider1, mApp4Provider2, mApp5Provider1);
+                mApp4Provider1, mApp4Provider2, mApp5Provider1, mApp6PinOnlyProvider1);
 
         mLauncherApps = mModelHelper.sandboxContext.spyService(LauncherApps.class);
         doAnswer(i -> {
@@ -270,6 +277,32 @@
         });
     }
 
+    @Test
+    public void widgetsRecommendations_excludesWidgetsHiddenForPicker() {
+        runOnExecutorSync(MODEL_EXECUTOR, () -> {
+
+            // Not installed widget - hence eligible
+            AppTarget widget1 = new AppTarget(new AppTargetId("app1"), "app1", "provider1",
+                    mUserHandle);
+            // Provider marked as hidden from picker - hence not eligible
+            AppTarget widget6 = new AppTarget(new AppTargetId("app6"), "app6", "provider1",
+                    mUserHandle);
+
+            mCallback.mRecommendedWidgets = null;
+            mModelHelper.getModel().enqueueModelUpdateTask(
+                    newWidgetsPredicationTask(List.of(widget1, widget6)));
+            runOnExecutorSync(MAIN_EXECUTOR, () -> { });
+
+            // Only widget 1 (and no widget 6 as its meant to be hidden from picker).
+            List<PendingAddWidgetInfo> recommendedWidgets = mCallback.mRecommendedWidgets.items
+                    .stream()
+                    .map(itemInfo -> (PendingAddWidgetInfo) itemInfo)
+                    .collect(Collectors.toList());
+            assertThat(recommendedWidgets).hasSize(1);
+            assertThat(recommendedWidgets.get(0).componentName.getPackageName()).isEqualTo("app1");
+        });
+    }
+
     private void assertWidgetInfo(
             LauncherAppWidgetProviderInfo actual, AppWidgetProviderInfo expected) {
         assertThat(actual.provider).isEqualTo(expected.provider);
diff --git a/src/com/android/launcher3/model/BaseLauncherBinder.java b/src/com/android/launcher3/model/BaseLauncherBinder.java
index 003bef3..3ee8b87 100644
--- a/src/com/android/launcher3/model/BaseLauncherBinder.java
+++ b/src/com/android/launcher3/model/BaseLauncherBinder.java
@@ -167,7 +167,7 @@
             return;
         }
         Map<PackageItemInfo, List<WidgetItem>>
-                widgetsByPackageItem = mBgDataModel.widgetsModel.getWidgetsByPackageItem();
+                widgetsByPackageItem = mBgDataModel.widgetsModel.getWidgetsByPackageItemForPicker();
         List<WidgetsListBaseEntry> widgets = new WidgetsListBaseEntriesBuilder(mApp.getContext())
                 .build(widgetsByPackageItem);
         Predicate<WidgetItem> filter = mBgDataModel.widgetsModel.getDefaultWidgetsFilter();
diff --git a/src/com/android/launcher3/model/ModelTaskController.kt b/src/com/android/launcher3/model/ModelTaskController.kt
index 40ea17d..6e3e35e 100644
--- a/src/com/android/launcher3/model/ModelTaskController.kt
+++ b/src/com/android/launcher3/model/ModelTaskController.kt
@@ -77,7 +77,7 @@
     }
 
     fun bindUpdatedWidgets(dataModel: BgDataModel) {
-        val widgetsByPackageItem = dataModel.widgetsModel.widgetsByPackageItem
+        val widgetsByPackageItem = dataModel.widgetsModel.widgetsByPackageItemForPicker
         val allWidgets = WidgetsListBaseEntriesBuilder(app.context).build(widgetsByPackageItem)
 
         val defaultWidgetsFilter = dataModel.widgetsModel.defaultWidgetsFilter
diff --git a/src/com/android/launcher3/model/WidgetsModel.java b/src/com/android/launcher3/model/WidgetsModel.java
index a176465..ab960d8 100644
--- a/src/com/android/launcher3/model/WidgetsModel.java
+++ b/src/com/android/launcher3/model/WidgetsModel.java
@@ -70,6 +70,7 @@
     private final Map<PackageItemInfo, List<WidgetItem>> mWidgetsByPackageItem = new HashMap<>();
     @Nullable private Predicate<WidgetItem> mDefaultWidgetsFilter = null;
     @Nullable private Predicate<WidgetItem> mPredictedWidgetsFilter = null;
+    @Nullable private WidgetValidityCheckForPicker mWidgetValidityCheckForPicker = null;
 
     /**
      * Returns all widgets keyed by their component key.
@@ -87,13 +88,44 @@
     }
 
     /**
-     * Returns widgets grouped by the package item that they should belong to.
+     * Returns widgets (eligible for display in picker) keyed by their component key.
      */
-    public synchronized Map<PackageItemInfo, List<WidgetItem>> getWidgetsByPackageItem() {
-        if (!WIDGETS_ENABLED) {
+    public synchronized Map<ComponentKey, WidgetItem> getWidgetsByComponentKeyForPicker() {
+        if (!WIDGETS_ENABLED || mWidgetValidityCheckForPicker == null) {
             return Collections.emptyMap();
         }
-        return new HashMap<>(mWidgetsByPackageItem);
+
+        return mWidgetsByPackageItem.values().stream()
+                .flatMap(Collection::stream).distinct()
+                .filter(widgetItem -> mWidgetValidityCheckForPicker.test(widgetItem))
+                .collect(Collectors.toMap(
+                        widget -> new ComponentKey(widget.componentName, widget.user),
+                        Function.identity()
+                ));
+    }
+
+    /**
+     * Returns widgets (displayable in the widget picker) grouped by the package item that
+     * they should belong to.
+     */
+    public synchronized Map<PackageItemInfo, List<WidgetItem>> getWidgetsByPackageItemForPicker() {
+        if (!WIDGETS_ENABLED || mWidgetValidityCheckForPicker == null) {
+            return Collections.emptyMap();
+        }
+
+        return mWidgetsByPackageItem.entrySet().stream()
+                .collect(
+                        Collectors.toMap(
+                                Map.Entry::getKey,
+                                entry -> entry.getValue().stream()
+                                        .filter(widgetItem ->
+                                                mWidgetValidityCheckForPicker.test(widgetItem))
+                                        .collect(Collectors.toList())
+                        )
+                )
+                .entrySet().stream()
+                .filter(entry -> !entry.getValue().isEmpty())
+                .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
     }
 
     /**
@@ -181,6 +213,9 @@
             Log.d(TAG, "addWidgetsAndShortcuts, widgetsShortcuts#=" + rawWidgetsShortcuts.size());
         }
 
+        // Refresh the validity checker with latest app state.
+        mWidgetValidityCheckForPicker = new WidgetValidityCheckForPicker(app);
+
         // Temporary cache for {@link PackageItemInfos} to avoid having to go through
         // {@link mPackageItemInfos} to locate the key to be used for {@link #mWidgetsList}
         PackageItemInfoCache packageItemInfoCache = new PackageItemInfoCache();
@@ -195,7 +230,6 @@
 
         // add and update.
         mWidgetsByPackageItem.putAll(rawWidgetsShortcuts.stream()
-                .filter(new WidgetValidityCheck(app))
                 .filter(new WidgetFlagCheck())
                 .flatMap(widgetItem -> getPackageUserKeys(app.getContext(), widgetItem).stream()
                         .map(key -> new Pair<>(packageItemInfoCache.getOrCreate(key), widgetItem)))
@@ -270,12 +304,15 @@
         return packageUserKeys;
     }
 
-    private static class WidgetValidityCheck implements Predicate<WidgetItem> {
+    /**
+     * Checks if widgets are eligible for displaying in widget picker / tray.
+     */
+    private static class WidgetValidityCheckForPicker implements Predicate<WidgetItem> {
 
         private final InvariantDeviceProfile mIdp;
         private final AppFilter mAppFilter;
 
-        WidgetValidityCheck(LauncherAppState app) {
+        WidgetValidityCheckForPicker(LauncherAppState app) {
             mIdp = app.getInvariantDeviceProfile();
             mAppFilter = new AppFilter(app.getContext());
         }
@@ -310,6 +347,10 @@
         }
     }
 
+    /**
+     * Checks if certain widgets that are available behind flag can be used across all surfaces in
+     * launcher.
+     */
     private static class WidgetFlagCheck implements Predicate<WidgetItem> {
 
         private static final String BUBBLES_SHORTCUT_WIDGET =
diff --git a/tests/multivalentTests/src/com/android/launcher3/model/WidgetsModelTest.kt b/tests/multivalentTests/src/com/android/launcher3/model/WidgetsModelTest.kt
index ae4ff04..d704195 100644
--- a/tests/multivalentTests/src/com/android/launcher3/model/WidgetsModelTest.kt
+++ b/tests/multivalentTests/src/com/android/launcher3/model/WidgetsModelTest.kt
@@ -119,6 +119,11 @@
                     // A widget in different package (none of that app's widgets are in widget
                     // sections xml)
                     createAppWidgetProviderInfo(AppBTestWidgetComponent),
+                    // A widget in different app that is meant to be hidden from picker
+                    createAppWidgetProviderInfo(
+                        AppCPinOnlyTestWidgetComponent,
+                        /*hideFromPicker=*/ true,
+                    ),
                 )
             )
 
@@ -129,12 +134,13 @@
     }
 
     @Test
-    fun widgetsByPackage_treatsWidgetSectionsAsSeparatePackageItems() {
+    fun widgetsByPackageForPicker_treatsWidgetSectionsAsSeparatePackageItems() {
         loadWidgets()
 
-        val packages: Map<PackageItemInfo, List<WidgetItem>> = underTest.widgetsByPackageItem
+        val packages: Map<PackageItemInfo, List<WidgetItem>> =
+            underTest.widgetsByPackageItemForPicker
 
-        // expect 3 package items
+        // expect 3 package items (no app C as its widget is hidden from picker)
         // one for the custom section with widget from appA
         // one for package section for second widget from appA (that wasn't listed in xml)
         // and one for package section for appB
@@ -167,6 +173,13 @@
         assertThat(appBPackageSection).hasSize(1)
         val widgetsInAppBSection = appBPackageSection.entries.first().value
         assertThat(widgetsInAppBSection).hasSize(1)
+
+        // No App C's package section - as the only widget hosted by it is hidden in picker
+        val appCPackageSection =
+            packageSections.filter {
+                it.key.packageName == AppCPinOnlyTestWidgetComponent.packageName
+            }
+        assertThat(appCPackageSection).isEmpty()
     }
 
     @Test
@@ -175,7 +188,29 @@
 
         val widgetsByComponentKey: Map<ComponentKey, WidgetItem> = underTest.widgetsByComponentKey
 
+        // Has all widgets including ones not visible in picker
+        assertThat(widgetsByComponentKey).hasSize(4)
+        widgetsByComponentKey.forEach { entry ->
+            assertThat(entry.key).isEqualTo(entry.value as ComponentKey)
+        }
+    }
+
+    @Test
+    fun widgetComponentMapForPicker_excludesWidgetsHiddenInPicker() {
+        loadWidgets()
+
+        val widgetsByComponentKey: Map<ComponentKey, WidgetItem> =
+            underTest.widgetsByComponentKeyForPicker
+
+        // Has all widgets excluding the appC's widget.
         assertThat(widgetsByComponentKey).hasSize(3)
+        assertThat(
+                widgetsByComponentKey.filter {
+                    it.key.componentName == AppCPinOnlyTestWidgetComponent
+                }
+            )
+            .isEmpty()
+        // widgets mapped correctly
         widgetsByComponentKey.forEach { entry ->
             assertThat(entry.key).isEqualTo(entry.value as ComponentKey)
         }
@@ -189,7 +224,7 @@
     }
 
     @Test
-    fun getWidgetsByPackageItem_returnsACopyOfMap() {
+    fun getWidgetsByPackageItemForPicker_returnsACopyOfMap() {
         loadWidgets()
 
         val latch = CountDownLatch(1)
@@ -198,8 +233,8 @@
 
             // each "widgetsByPackageItem" read returns a different copy of the map held internally.
             // Modifying one shouldn't impact another.
-            for ((_, _) in underTest.widgetsByPackageItem.entries) {
-                underTest.widgetsByPackageItem.clear()
+            for ((_, _) in underTest.widgetsByPackageItemForPicker.entries) {
+                underTest.widgetsByPackageItemForPicker.clear()
                 if (update) { // trigger update
                     update = false
                     // Similarly, model could update its code independently while a client is
@@ -256,6 +291,9 @@
         private val AppBTestWidgetComponent: ComponentName =
             ComponentName.createRelative("com.test.package", "TestProvider")
 
+        private val AppCPinOnlyTestWidgetComponent: ComponentName =
+            ComponentName.createRelative("com.testC.package", "PinOnlyTestProvider")
+
         private const val LOAD_WIDGETS_TIMEOUT_SECONDS = 2L
     }
 }
diff --git a/tests/multivalentTests/src/com/android/launcher3/util/WidgetUtils.java b/tests/multivalentTests/src/com/android/launcher3/util/WidgetUtils.java
index a87a208..9fbd7ff 100644
--- a/tests/multivalentTests/src/com/android/launcher3/util/WidgetUtils.java
+++ b/tests/multivalentTests/src/com/android/launcher3/util/WidgetUtils.java
@@ -15,6 +15,8 @@
  */
 package com.android.launcher3.util;
 
+import static android.appwidget.AppWidgetProviderInfo.WIDGET_FEATURE_HIDE_FROM_PICKER;
+
 import android.appwidget.AppWidgetProviderInfo;
 import android.content.ComponentName;
 import android.content.Context;
@@ -83,14 +85,30 @@
 
     /**
      * Creates a {@link AppWidgetProviderInfo} for the provided component name
+     *
+     * @param cn component name of the appwidget provider
+     * @param hideFromPicker indicates if the widget should appear in widget picker
      */
-    public static AppWidgetProviderInfo createAppWidgetProviderInfo(ComponentName cn) {
+    public static AppWidgetProviderInfo createAppWidgetProviderInfo(ComponentName cn,
+            boolean hideFromPicker) {
         ActivityInfo activityInfo = new ActivityInfo();
         activityInfo.applicationInfo = new ApplicationInfo();
         activityInfo.applicationInfo.uid = Process.myUid();
         AppWidgetProviderInfo info = new AppWidgetProviderInfo();
+        if (hideFromPicker) {
+            info.widgetFeatures = WIDGET_FEATURE_HIDE_FROM_PICKER;
+        }
         info.providerInfo = activityInfo;
         info.provider = cn;
         return info;
     }
+
+    /**
+     * Creates a {@link AppWidgetProviderInfo} for the provided component name
+     *
+     * @param cn component name of the appwidget provider
+     */
+    public static AppWidgetProviderInfo createAppWidgetProviderInfo(ComponentName cn) {
+        return createAppWidgetProviderInfo(cn, /*hideFromPicker=*/ false);
+    }
 }