1 files changed, 157 insertions, 0 deletions
diff --git a/java/src/com/android/intentresolver/v2/emptystate/NoAppsAvailableEmptyStateProvider.java b/java/src/com/android/intentresolver/v2/emptystate/NoAppsAvailableEmptyStateProvider.java
new file mode 100644
index 0000000..e9d1bb3
--- /dev/null
+++ b/java/src/com/android/intentresolver/v2/emptystate/NoAppsAvailableEmptyStateProvider.java
@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.intentresolver.v2.emptystate;
+
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_NO_PERSONAL_APPS;
+import static android.app.admin.DevicePolicyResources.Strings.Core.RESOLVER_NO_WORK_APPS;
+
+import android.app.admin.DevicePolicyEventLogger;
+import android.app.admin.DevicePolicyManager;
+import android.content.Context;
+import android.content.pm.ResolveInfo;
+import android.os.UserHandle;
+import android.stats.devicepolicy.nano.DevicePolicyEnums;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.android.intentresolver.ResolvedComponentInfo;
+import com.android.intentresolver.ResolverListAdapter;
+import com.android.intentresolver.emptystate.EmptyState;
+import com.android.intentresolver.emptystate.EmptyStateProvider;
+import com.android.internal.R;
+
+import java.util.List;
+
+/**
+ * Chooser/ResolverActivity empty state provider that returns empty state which is shown when
+ * there are no apps available.
+ */
+public class NoAppsAvailableEmptyStateProvider implements EmptyStateProvider {
+
+    @NonNull
+    private final Context mContext;
+    @Nullable
+    private final UserHandle mWorkProfileUserHandle;
+    @Nullable
+    private final UserHandle mPersonalProfileUserHandle;
+    @NonNull
+    private final String mMetricsCategory;
+    @NonNull
+    private final UserHandle mTabOwnerUserHandleForLaunch;
+
+    public NoAppsAvailableEmptyStateProvider(@NonNull Context context,
+            @Nullable UserHandle workProfileUserHandle,
+            @Nullable UserHandle personalProfileUserHandle, @NonNull String metricsCategory,
+            @NonNull UserHandle tabOwnerUserHandleForLaunch) {
+        mContext = context;
+        mWorkProfileUserHandle = workProfileUserHandle;
+        mPersonalProfileUserHandle = personalProfileUserHandle;
+        mMetricsCategory = metricsCategory;
+        mTabOwnerUserHandleForLaunch = tabOwnerUserHandleForLaunch;
+    }
+
+    @Nullable
+    @Override
+    @SuppressWarnings("ReferenceEquality")
+    public EmptyState getEmptyState(ResolverListAdapter resolverListAdapter) {
+        UserHandle listUserHandle = resolverListAdapter.getUserHandle();
+
+        if (mWorkProfileUserHandle != null
+                && (mTabOwnerUserHandleForLaunch.equals(listUserHandle)
+                || !hasAppsInOtherProfile(resolverListAdapter))) {
+
+            String title;
+            if (listUserHandle == mPersonalProfileUserHandle) {
+                title = mContext.getSystemService(
+                        DevicePolicyManager.class).getResources().getString(
+                        RESOLVER_NO_PERSONAL_APPS,
+                            () -> mContext.getString(R.string.resolver_no_personal_apps_available));
+            } else {
+                title = mContext.getSystemService(
+                        DevicePolicyManager.class).getResources().getString(
+                        RESOLVER_NO_WORK_APPS,
+                            () -> mContext.getString(R.string.resolver_no_work_apps_available));
+            }
+
+            return new NoAppsAvailableEmptyState(
+                    title, mMetricsCategory,
+                    /* isPersonalProfile= */ listUserHandle == mPersonalProfileUserHandle
+            );
+        } else if (mWorkProfileUserHandle == null) {
+            // Return default empty state without tracking
+            return new DefaultEmptyState();
+        }
+
+        return null;
+    }
+
+    private boolean hasAppsInOtherProfile(ResolverListAdapter adapter) {
+        if (mWorkProfileUserHandle == null) {
+            return false;
+        }
+        List<ResolvedComponentInfo> resolversForIntent =
+                adapter.getResolversForUser(mTabOwnerUserHandleForLaunch);
+        for (ResolvedComponentInfo info : resolversForIntent) {
+            ResolveInfo resolveInfo = info.getResolveInfoAt(0);
+            if (resolveInfo.targetUserId != UserHandle.USER_CURRENT) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static class DefaultEmptyState implements EmptyState {
+        @Override
+        public boolean useDefaultEmptyView() {
+            return true;
+        }
+    }
+
+    public static class NoAppsAvailableEmptyState implements EmptyState {
+
+        @NonNull
+        private final String mTitle;
+
+        @NonNull
+        private final String mMetricsCategory;
+
+        private final boolean mIsPersonalProfile;
+
+        public NoAppsAvailableEmptyState(@NonNull String title, @NonNull String metricsCategory,
+                boolean isPersonalProfile) {
+            mTitle = title;
+            mMetricsCategory = metricsCategory;
+            mIsPersonalProfile = isPersonalProfile;
+        }
+
+        @NonNull
+        @Override
+        public String getTitle() {
+            return mTitle;
+        }
+
+        @Override
+        public void onEmptyStateShown() {
+            DevicePolicyEventLogger.createEvent(
+                            DevicePolicyEnums.RESOLVER_EMPTY_STATE_NO_APPS_RESOLVED)
+                    .setStrings(mMetricsCategory)
+                    .setBoolean(/*isPersonalProfile*/ mIsPersonalProfile)
+                    .write();
+        }
+    }
+}