Merge "PrintSpooler: Remove recommendation if Play Store is not installed"

am: 57b966eee1

Change-Id: I48c070c4b3e1cf3d1d6ff71612c7ad6d44e6cb1f

packages/PrintSpooler/res/layout/no_print_services_message.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 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.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="fill_parent"
+    android:layout_height="?android:attr/listPreferredItemHeightSmall"
+    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
+    android:orientation="horizontal"
+    android:gravity="start|center_vertical">
+
+    <RelativeLayout
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="32dip">
+            <HorizontalScrollView
+                android:layout_width="fill_parent"
+                android:layout_height="wrap_content">
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:textAppearance="?android:attr/textAppearanceListItem"
+                    android:text="@string/print_no_print_services"
+                    android:scrollHorizontally="true"
+                    android:singleLine="true" />
+            </HorizontalScrollView>
+    </RelativeLayout>
+
+</LinearLayout>

packages/PrintSpooler/src/com/android/printspooler/ui/AddPrinterActivity.java

@@ -26,6 +26,7 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.Loader;
+import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.database.DataSetObserver;
 import android.net.Uri;
@@ -95,20 +96,39 @@ public class AddPrinterActivity extends ListActivity implements AdapterView.OnIt
      */
     private RecommendedServicesAdapter mRecommendedServicesAdapter;
 
+    private static final String PKG_NAME_VENDING = "com.android.vending";
+    private boolean mHasVending;
+    private NoPrintServiceMessageAdapter mNoPrintServiceMessageAdapter;
+
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
         setContentView(R.layout.add_printer_activity);
 
+        try {
+            getPackageManager().getPackageInfo(PKG_NAME_VENDING, 0);
+            mHasVending = true;
+        } catch (PackageManager.NameNotFoundException e) {
+            mHasVending = false;
+        }
         mEnabledServicesAdapter = new EnabledServicesAdapter();
         mDisabledServicesAdapter = new DisabledServicesAdapter();
+        if (mHasVending) {
             mRecommendedServicesAdapter = new RecommendedServicesAdapter();
+        } else {
+            mNoPrintServiceMessageAdapter = new NoPrintServiceMessageAdapter();
+        }
 
         ArrayList<ActionAdapter> adapterList = new ArrayList<>(3);
         adapterList.add(mEnabledServicesAdapter);
+        if (mHasVending) {
             adapterList.add(mRecommendedServicesAdapter);
+        }
         adapterList.add(mDisabledServicesAdapter);
+        if (!mHasVending) {
+            adapterList.add(mNoPrintServiceMessageAdapter);
+        }
 
         setListAdapter(new CombinedAdapter(adapterList));
 
@@ -119,8 +139,10 @@ public class AddPrinterActivity extends ListActivity implements AdapterView.OnIt
 
         getLoaderManager().initLoader(LOADER_ID_ENABLED_SERVICES, null, printServiceLoaderCallbacks);
         getLoaderManager().initLoader(LOADER_ID_DISABLED_SERVICES, null, printServiceLoaderCallbacks);
+        if (mHasVending) {
             getLoaderManager().initLoader(LOADER_ID_RECOMMENDED_SERVICES, null,
                     new PrintServicePrintServiceRecommendationLoaderCallbacks());
+        }
         getLoaderManager().initLoader(LOADER_ID_ALL_SERVICES, null, printServiceLoaderCallbacks);
     }
 
@@ -162,7 +184,11 @@ public class AddPrinterActivity extends ListActivity implements AdapterView.OnIt
                     mDisabledServicesAdapter.updateData(data);
                     break;
                 case LOADER_ID_ALL_SERVICES:
+                    if (mHasVending) {
                         mRecommendedServicesAdapter.updateInstalledServices(data);
+                    } else {
+                        mNoPrintServiceMessageAdapter.updateInstalledServices(data);
+                    }
                 default:
                     // not reached
             }
@@ -179,7 +205,11 @@ public class AddPrinterActivity extends ListActivity implements AdapterView.OnIt
                         mDisabledServicesAdapter.updateData(null);
                         break;
                     case LOADER_ID_ALL_SERVICES:
+                        if (mHasVending) {
                             mRecommendedServicesAdapter.updateInstalledServices(null);
+                        } else {
+                            mNoPrintServiceMessageAdapter.updateInstalledServices(null);
+                        }
                         break;
                     default:
                         // not reached
@@ -788,4 +818,61 @@ public class AddPrinterActivity extends ListActivity implements AdapterView.OnIt
             filterRecommendations();
         }
     }
+
+    private class NoPrintServiceMessageAdapter extends ActionAdapter {
+        private boolean mHasPrintService;
+
+        void updateInstalledServices(@Nullable List<PrintServiceInfo> services) {
+            if (services == null || services.isEmpty()) {
+                mHasPrintService = false;
+            } else {
+                mHasPrintService = true;
+            }
+            notifyDataSetChanged();
+        }
+
+        @Override
+        public int getCount() {
+            return mHasPrintService ? 0 : 1;
+        }
+
+        @Override
+        public int getViewTypeCount() {
+            return 1;
+        }
+
+        @Override
+        public int getItemViewType(int position) {
+            return 0;
+        }
+
+        @Override
+        public Object getItem(int position) {
+            return null;
+        }
+
+        @Override
+        public long getItemId(int position) {
+            return position;
+        }
+
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            if (convertView == null) {
+                convertView = getLayoutInflater().inflate(R.layout.no_print_services_message,
+                    parent, false);
+            }
+            return convertView;
+        }
+
+        @Override
+        public boolean isEnabled(int position) {
+            return position != 0;
+        }
+
+        @Override
+        public void performAction(@IntRange(from = 0) int position) {
+            return;
+        }
+    }
 }