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 androidx.annotation.Nullable; 20 import android.content.Context; 21 import android.graphics.drawable.Drawable; 22 import android.provider.DocumentsProvider; 23 import android.text.TextUtils; 24 import android.text.format.Formatter; 25 import android.view.DragEvent; 26 import android.view.Menu; 27 import android.view.MenuInflater; 28 import android.view.View; 29 import android.widget.ImageView; 30 import android.widget.TextView; 31 32 import com.android.documentsui.ActionHandler; 33 import com.android.documentsui.IconUtils; 34 import com.android.documentsui.MenuManager; 35 import com.android.documentsui.R; 36 import com.android.documentsui.base.DocumentInfo; 37 import com.android.documentsui.base.RootInfo; 38 39 /** 40 * An {@link Item} for each root provided by {@link DocumentsProvider}s. 41 */ 42 public class RootItem extends Item { 43 private static final String STRING_ID_FORMAT = "RootItem{%s/%s}"; 44 45 public final RootInfo root; 46 public @Nullable DocumentInfo docInfo; 47 48 protected final ActionHandler mActionHandler; 49 private final String mPackageName; 50 RootItem(RootInfo root, ActionHandler actionHandler)51 public RootItem(RootInfo root, ActionHandler actionHandler) { 52 this(root, actionHandler, "" /* packageName */); 53 } 54 RootItem(RootInfo root, ActionHandler actionHandler, String packageName)55 public RootItem(RootInfo root, ActionHandler actionHandler, String packageName) { 56 super(R.layout.item_root, root.title, getStringId(root)); 57 this.root = root; 58 mActionHandler = actionHandler; 59 mPackageName = packageName; 60 } 61 getStringId(RootInfo root)62 private static String getStringId(RootInfo root) { 63 // Empty URI authority is invalid, so we can use empty string if root.authority is null. 64 // Directly passing null to String.format() will write "null" which can be a valid URI 65 // authority. 66 String authority = (root.authority == null ? "" : root.authority); 67 return String.format(STRING_ID_FORMAT, authority, root.rootId); 68 } 69 70 @Override bindView(View convertView)71 public void bindView(View convertView) { 72 final Context context = convertView.getContext(); 73 if (root.supportsEject()) { 74 bindAction(convertView, View.VISIBLE, R.drawable.ic_eject, 75 context.getResources().getString(R.string.menu_eject_root)); 76 } else { 77 bindAction(convertView, View.GONE, -1 /* iconResource */, null /* description */); 78 } 79 // Show available space if no summary 80 String summaryText = root.summary; 81 if (TextUtils.isEmpty(summaryText) && root.availableBytes >= 0) { 82 summaryText = context.getString(R.string.root_available_bytes, 83 Formatter.formatFileSize(context, root.availableBytes)); 84 } 85 86 bindIconAndTitle(convertView); 87 bindSummary(convertView, summaryText); 88 } 89 bindAction(View view, int visibility, int iconId, String description)90 protected final void bindAction(View view, int visibility, int iconId, String description) { 91 final ImageView actionIcon = (ImageView) view.findViewById(R.id.action_icon); 92 final View verticalDivider = view.findViewById(R.id.vertical_divider); 93 final View actionIconArea = view.findViewById(R.id.action_icon_area); 94 95 verticalDivider.setVisibility(visibility); 96 actionIconArea.setVisibility(visibility); 97 actionIconArea.setOnClickListener(visibility == View.VISIBLE ? this::onActionClick : null); 98 if (description != null) { 99 actionIconArea.setContentDescription(description); 100 } 101 if (iconId > 0) { 102 actionIcon.setImageDrawable(IconUtils.applyTintColor(view.getContext(), iconId, 103 R.color.item_action_icon)); 104 } 105 } 106 onActionClick(View view)107 protected void onActionClick(View view) { 108 RootsFragment.ejectClicked(view, root, mActionHandler); 109 } 110 bindIconAndTitle(View view)111 protected final void bindIconAndTitle(View view) { 112 bindIcon(view, root.loadDrawerIcon(view.getContext())); 113 bindTitle(view); 114 } 115 bindSummary(View view, String summary)116 protected void bindSummary(View view, String summary) { 117 final TextView summaryView = (TextView) view.findViewById(android.R.id.summary); 118 summaryView.setText(summary); 119 summaryView.setVisibility(TextUtils.isEmpty(summary) ? View.GONE : View.VISIBLE); 120 } 121 bindIcon(View view, Drawable drawable)122 private void bindIcon(View view, Drawable drawable) { 123 final ImageView icon = (ImageView) view.findViewById(android.R.id.icon); 124 icon.setImageDrawable(drawable); 125 } 126 bindTitle(View view)127 private void bindTitle(View view) { 128 final TextView titleView = (TextView) view.findViewById(android.R.id.title); 129 titleView.setText(title); 130 } 131 132 @Override isRoot()133 boolean isRoot() { 134 return true; 135 } 136 137 @Override open()138 void open() { 139 mActionHandler.openRoot(root); 140 } 141 142 @Override getPackageName()143 String getPackageName() { 144 return mPackageName; 145 } 146 147 @Override isDropTarget()148 boolean isDropTarget() { 149 return root.supportsCreate(); 150 } 151 152 @Override dropOn(DragEvent event)153 boolean dropOn(DragEvent event) { 154 return mActionHandler.dropOn(event, root); 155 } 156 157 @Override createContextMenu(Menu menu, MenuInflater inflater, MenuManager menuManager)158 void createContextMenu(Menu menu, MenuInflater inflater, MenuManager menuManager) { 159 inflater.inflate(R.menu.root_context_menu, menu); 160 menuManager.updateRootContextMenu(menu, root, docInfo); 161 } 162 163 @Override toString()164 public String toString() { 165 return "RootItem{" 166 + "id=" + stringId 167 + ", root=" + root 168 + ", docInfo=" + docInfo 169 + "}"; 170 } 171 } 172