1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.settings.search2; 17 18 import android.content.Context; 19 import android.content.pm.PackageManager; 20 import android.graphics.drawable.Drawable; 21 import android.os.UserHandle; 22 import android.support.v7.widget.RecyclerView; 23 import android.text.TextUtils; 24 import android.util.IconDrawableFactory; 25 import android.view.View; 26 import android.widget.ImageView; 27 import android.widget.TextView; 28 29 import com.android.settings.R; 30 import com.android.settings.core.instrumentation.MetricsFeatureProvider; 31 import com.android.settings.overlay.FeatureFactory; 32 33 /** 34 * The ViewHolder for the Search RecyclerView. 35 * There are multiple search result types in the same Recycler view with different UI requirements. 36 * Some examples include Intent results, Inline results, and Help articles. 37 */ 38 public abstract class SearchViewHolder extends RecyclerView.ViewHolder { 39 40 private final String DYNAMIC_PLACEHOLDER = "%s"; 41 42 private final String mPlaceholderSummary; 43 44 public final TextView titleView; 45 public final TextView summaryView; 46 public final TextView breadcrumbView; 47 public final ImageView iconView; 48 49 protected final MetricsFeatureProvider mMetricsFeatureProvider; 50 private final IconDrawableFactory mIconDrawableFactory; 51 SearchViewHolder(View view)52 public SearchViewHolder(View view) { 53 super(view); 54 mMetricsFeatureProvider = FeatureFactory.getFactory(view.getContext()) 55 .getMetricsFeatureProvider(); 56 titleView = view.findViewById(android.R.id.title); 57 summaryView = view.findViewById(android.R.id.summary); 58 iconView = view.findViewById(android.R.id.icon); 59 breadcrumbView = view.findViewById(R.id.breadcrumb); 60 61 mPlaceholderSummary = view.getContext().getString(R.string.summary_placeholder); 62 mIconDrawableFactory = IconDrawableFactory.newInstance(view.getContext()); 63 } 64 onBind(SearchFragment fragment, SearchResult result)65 public void onBind(SearchFragment fragment, SearchResult result) { 66 titleView.setText(result.title); 67 // TODO (b/36101902) remove check for DYNAMIC_PLACEHOLDER 68 if (TextUtils.isEmpty(result.summary) 69 || TextUtils.equals(result.summary, mPlaceholderSummary) 70 || TextUtils.equals(result.summary, DYNAMIC_PLACEHOLDER)) { 71 summaryView.setVisibility(View.GONE); 72 } else { 73 summaryView.setText(result.summary); 74 summaryView.setVisibility(View.VISIBLE); 75 } 76 77 if (result instanceof AppSearchResult) { 78 AppSearchResult appResult = (AppSearchResult) result; 79 PackageManager pm = fragment.getActivity().getPackageManager(); 80 UserHandle userHandle = appResult.getAppUserHandle(); 81 Drawable badgedIcon = 82 mIconDrawableFactory.getBadgedIcon(appResult.info, userHandle.getIdentifier()); 83 iconView.setImageDrawable(badgedIcon); 84 titleView.setContentDescription( 85 pm.getUserBadgedLabel(appResult.info.loadLabel(pm), userHandle)); 86 } else { 87 // Valid even when result.icon is null. 88 iconView.setImageDrawable(result.icon); 89 } 90 91 bindBreadcrumbView(result); 92 } 93 bindBreadcrumbView(SearchResult result)94 private void bindBreadcrumbView(SearchResult result) { 95 if (result.breadcrumbs == null || result.breadcrumbs.isEmpty()) { 96 breadcrumbView.setVisibility(View.GONE); 97 return; 98 } 99 final Context context = breadcrumbView.getContext(); 100 String breadcrumb = result.breadcrumbs.get(0); 101 final int count = result.breadcrumbs.size(); 102 for (int i = 1; i < count; i++) { 103 breadcrumb = context.getString(R.string.search_breadcrumb_connector, 104 breadcrumb, result.breadcrumbs.get(i)); 105 } 106 breadcrumbView.setText(breadcrumb); 107 breadcrumbView.setVisibility(View.VISIBLE); 108 } 109 }