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 17 package com.android.documentsui.sidebar; 18 19 import android.annotation.Nullable; 20 import android.content.Context; 21 import android.provider.DocumentsProvider; 22 import android.text.TextUtils; 23 import android.text.format.Formatter; 24 import android.view.DragEvent; 25 import android.view.Menu; 26 import android.view.MenuInflater; 27 import android.view.View; 28 import android.view.View.OnClickListener; 29 import android.widget.ImageView; 30 import android.widget.TextView; 31 32 import com.android.documentsui.ActionHandler; 33 import com.android.documentsui.MenuManager; 34 import com.android.documentsui.R; 35 import com.android.documentsui.base.DocumentInfo; 36 import com.android.documentsui.base.RootInfo; 37 38 /** 39 * An {@link Item} for each root provided by {@link DocumentsProvider}s. 40 */ 41 class RootItem extends Item { 42 private static final String STRING_ID_FORMAT = "RootItem{%s/%s}"; 43 44 public final RootInfo root; 45 public @Nullable DocumentInfo docInfo; 46 47 private final ActionHandler mActionHandler; 48 RootItem(RootInfo root, ActionHandler actionHandler)49 public RootItem(RootInfo root, ActionHandler actionHandler) { 50 super(R.layout.item_root, getStringId(root)); 51 this.root = root; 52 mActionHandler = actionHandler; 53 } 54 getStringId(RootInfo root)55 private static String getStringId(RootInfo root) { 56 // Empty URI authority is invalid, so we can use empty string if root.authority is null. 57 // Directly passing null to String.format() will write "null" which can be a valid URI 58 // authority. 59 String authority = (root.authority == null ? "" : root.authority); 60 return String.format(STRING_ID_FORMAT, authority, root.rootId); 61 } 62 63 @Override bindView(View convertView)64 public void bindView(View convertView) { 65 final ImageView icon = (ImageView) convertView.findViewById(android.R.id.icon); 66 final TextView title = (TextView) convertView.findViewById(android.R.id.title); 67 final TextView summary = (TextView) convertView.findViewById(android.R.id.summary); 68 final ImageView ejectIcon = (ImageView) convertView.findViewById(R.id.eject_icon); 69 70 final Context context = convertView.getContext(); 71 icon.setImageDrawable(root.loadDrawerIcon(context)); 72 title.setText(root.title); 73 74 if (root.supportsEject()) { 75 ejectIcon.setVisibility(View.VISIBLE); 76 ejectIcon.setImageDrawable(root.loadEjectIcon(context)); 77 ejectIcon.setOnClickListener(new OnClickListener() { 78 @Override 79 public void onClick(View unmountIcon) { 80 RootsFragment.ejectClicked(unmountIcon, root, mActionHandler); 81 } 82 }); 83 } else { 84 ejectIcon.setVisibility(View.GONE); 85 ejectIcon.setOnClickListener(null); 86 } 87 // Show available space if no summary 88 String summaryText = root.summary; 89 if (TextUtils.isEmpty(summaryText) && root.availableBytes >= 0) { 90 summaryText = context.getString(R.string.root_available_bytes, 91 Formatter.formatFileSize(context, root.availableBytes)); 92 } 93 94 summary.setText(summaryText); 95 summary.setVisibility(TextUtils.isEmpty(summaryText) ? View.GONE : View.VISIBLE); 96 } 97 98 @Override isDropTarget()99 boolean isDropTarget() { 100 return true; 101 } 102 103 @Override open()104 void open() { 105 mActionHandler.openRoot(root); 106 } 107 108 @Override dropOn(DragEvent event)109 boolean dropOn(DragEvent event) { 110 return mActionHandler.dropOn(event, root); 111 } 112 113 @Override createContextMenu(Menu menu, MenuInflater inflater, MenuManager menuManager)114 void createContextMenu(Menu menu, MenuInflater inflater, MenuManager menuManager) { 115 inflater.inflate(R.menu.root_context_menu, menu); 116 menuManager.updateRootContextMenu(menu, root, docInfo); 117 } 118 } 119