Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 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; |
| 18 | |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 19 | import android.annotation.Nullable; |
Ben Lin | 5668b86 | 2016-06-28 17:12:52 -0700 | [diff] [blame^] | 20 | import android.provider.DocumentsContract.Root; |
Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 21 | import android.view.Menu; |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 22 | import android.view.MenuItem; |
Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 23 | |
Ben Lin | 5668b86 | 2016-06-28 17:12:52 -0700 | [diff] [blame^] | 24 | import com.android.documentsui.model.RootInfo; |
| 25 | |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 26 | public abstract class MenuManager { |
Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 27 | |
Ben Lin | 2567991 | 2016-06-17 11:48:57 -0700 | [diff] [blame] | 28 | final State mState; |
| 29 | final SearchViewManager mSearchManager; |
| 30 | |
| 31 | public MenuManager(SearchViewManager searchManager, State displayState) { |
| 32 | mSearchManager = searchManager; |
| 33 | mState = displayState; |
| 34 | } |
| 35 | |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 36 | /** @See DirectoryFragment.SelectionModeListener#updateActionMenu */ |
| 37 | public void updateActionMenu(Menu menu, SelectionDetails selection) { |
| 38 | updateOpen(menu.findItem(R.id.menu_open), selection); |
| 39 | updateDelete(menu.findItem(R.id.menu_delete), selection); |
| 40 | updateShare(menu.findItem(R.id.menu_share), selection); |
| 41 | updateRename(menu.findItem(R.id.menu_rename), selection); |
| 42 | updateSelectAll(menu.findItem(R.id.menu_select_all), selection); |
| 43 | updateMoveTo(menu.findItem(R.id.menu_move_to), selection); |
| 44 | updateCopyTo(menu.findItem(R.id.menu_copy_to), selection); |
Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 45 | |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 46 | Menus.disableHiddenItems(menu); |
| 47 | } |
Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 48 | |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 49 | /** @See Activity#onPrepareOptionsMenu */ |
Ben Lin | 2567991 | 2016-06-17 11:48:57 -0700 | [diff] [blame] | 50 | public void updateOptionMenu(Menu menu, DirectoryDetails directoryDetails) { |
| 51 | updateCreateDir(menu.findItem(R.id.menu_create_dir), directoryDetails); |
| 52 | updateSettings(menu.findItem(R.id.menu_settings), directoryDetails); |
| 53 | updateNewWindow(menu.findItem(R.id.menu_new_window), directoryDetails); |
| 54 | updateFileSize(menu.findItem(R.id.menu_file_size), directoryDetails); |
| 55 | updateModePicker(menu.findItem( |
| 56 | R.id.menu_grid), menu.findItem(R.id.menu_list), directoryDetails); |
| 57 | updateSort(menu.findItem(R.id.menu_sort), |
| 58 | menu.findItem(R.id.menu_sort_size), |
| 59 | directoryDetails); |
| 60 | updateAdvanced(menu.findItem(R.id.menu_advanced), directoryDetails); |
Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 61 | |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 62 | Menus.disableHiddenItems(menu); |
| 63 | } |
Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 64 | |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 65 | /** @See DirectoryFragment.onCreateContextMenu */ |
| 66 | public void updateContextMenu(Menu menu, |
| 67 | @Nullable SelectionDetails selectionDetails, |
| 68 | DirectoryDetails directoryDetails) { |
Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 69 | |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 70 | MenuItem cut = menu.findItem(R.id.menu_cut_to_clipboard); |
| 71 | MenuItem copy = menu.findItem(R.id.menu_copy_to_clipboard); |
| 72 | MenuItem paste = menu.findItem(R.id.menu_paste_from_clipboard); |
| 73 | MenuItem delete = menu.findItem(R.id.menu_delete); |
| 74 | MenuItem rename = menu.findItem(R.id.menu_rename); |
| 75 | MenuItem createDir = menu.findItem(R.id.menu_create_dir); |
Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 76 | |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 77 | if (selectionDetails == null) { |
| 78 | cut.setEnabled(false); |
| 79 | copy.setEnabled(false); |
| 80 | rename.setEnabled(false); |
| 81 | delete.setEnabled(false); |
| 82 | } else { |
| 83 | copy.setEnabled(!selectionDetails.containsPartialFiles()); |
| 84 | cut.setEnabled( |
| 85 | !selectionDetails.containsPartialFiles() && selectionDetails.canDelete()); |
| 86 | updateRename(rename, selectionDetails); |
| 87 | updateDelete(delete, selectionDetails); |
| 88 | } |
| 89 | menu.findItem(R.id.menu_paste_from_clipboard) |
| 90 | .setEnabled(directoryDetails.hasItemsToPaste()); |
| 91 | updateCreateDir(createDir, directoryDetails); |
Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 92 | |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 93 | //Cut, Copy, Paste and Delete should always be visible |
| 94 | cut.setVisible(true); |
| 95 | copy.setVisible(true); |
| 96 | paste.setVisible(true); |
| 97 | delete.setVisible(true); |
| 98 | } |
Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 99 | |
Ben Lin | 5668b86 | 2016-06-28 17:12:52 -0700 | [diff] [blame^] | 100 | public void updateRootContextMenu(Menu menu, RootInfo root) { |
| 101 | MenuItem settings = menu.findItem(R.id.menu_settings); |
| 102 | MenuItem eject = menu.findItem(R.id.menu_eject_root); |
| 103 | |
| 104 | updateSettings(settings, root); |
| 105 | updateEject(eject, root); |
| 106 | } |
| 107 | |
Ben Lin | 2567991 | 2016-06-17 11:48:57 -0700 | [diff] [blame] | 108 | void updateModePicker(MenuItem grid, MenuItem list, DirectoryDetails directoryDetails) { |
| 109 | grid.setVisible(mState.derivedMode != State.MODE_GRID); |
| 110 | list.setVisible(mState.derivedMode != State.MODE_LIST); |
| 111 | } |
| 112 | |
| 113 | void updateFileSize(MenuItem fileSize, DirectoryDetails directoryDetails) { |
| 114 | fileSize.setVisible(!mState.forceSize); |
| 115 | fileSize.setTitle(directoryDetails.getDisplayFileSize() |
| 116 | ? R.string.menu_file_size_hide : R.string.menu_file_size_show); |
| 117 | } |
| 118 | |
| 119 | void updateSort(MenuItem sort, MenuItem sortSize, DirectoryDetails directoryDetails) { |
| 120 | // Search uses backend ranking; no sorting, recents doesn't support sort. |
| 121 | sort.setEnabled(!directoryDetails.isInRecents() && !mSearchManager.isSearching()); |
| 122 | sort.setVisible(true); |
| 123 | sortSize.setVisible(mState.showSize); // Only sort by size when file sizes are visible |
| 124 | } |
| 125 | |
| 126 | void updateAdvanced(MenuItem advanced, DirectoryDetails directoryDetails) { |
| 127 | advanced.setVisible(mState.showAdvancedOption); |
| 128 | advanced.setTitle(mState.showAdvancedOption && mState.showAdvanced |
| 129 | ? R.string.menu_advanced_hide : R.string.menu_advanced_show); |
| 130 | } |
| 131 | |
| 132 | void updateSettings(MenuItem settings, DirectoryDetails directoryDetails) { |
| 133 | settings.setVisible(false); |
| 134 | } |
| 135 | |
Ben Lin | 5668b86 | 2016-06-28 17:12:52 -0700 | [diff] [blame^] | 136 | void updateSettings(MenuItem settings, RootInfo root) { |
| 137 | settings.setVisible(false); |
| 138 | } |
| 139 | |
| 140 | void updateEject(MenuItem eject, RootInfo root) { |
| 141 | eject.setVisible(false); |
| 142 | } |
| 143 | |
Ben Lin | 2567991 | 2016-06-17 11:48:57 -0700 | [diff] [blame] | 144 | void updateNewWindow(MenuItem newWindow, DirectoryDetails directoryDetails) { |
| 145 | newWindow.setVisible(false); |
| 146 | } |
| 147 | |
| 148 | void updateOpen(MenuItem open, SelectionDetails selectionDetails) { |
| 149 | open.setVisible(false); |
| 150 | } |
| 151 | |
| 152 | void updateShare(MenuItem share, SelectionDetails selectionDetails) { |
| 153 | share.setVisible(false); |
| 154 | } |
| 155 | |
| 156 | void updateDelete(MenuItem delete, SelectionDetails selectionDetails) { |
| 157 | delete.setVisible(false); |
| 158 | } |
| 159 | |
| 160 | void updateRename(MenuItem rename, SelectionDetails selectionDetails) { |
| 161 | rename.setVisible(false); |
| 162 | } |
| 163 | |
| 164 | void updateMoveTo(MenuItem moveTo, SelectionDetails selectionDetails) { |
| 165 | moveTo.setVisible(false); |
| 166 | } |
| 167 | |
| 168 | void updateCopyTo(MenuItem copyTo, SelectionDetails selectionDetails) { |
| 169 | copyTo.setVisible(false); |
| 170 | } |
| 171 | |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 172 | abstract void updateSelectAll(MenuItem selectAll, SelectionDetails selectionDetails); |
| 173 | abstract void updateCreateDir(MenuItem createDir, DirectoryDetails directoryDetails); |
Ben Lin | 7c35b03 | 2016-05-31 13:24:01 -0700 | [diff] [blame] | 174 | |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 175 | /** |
| 176 | * Access to meta data about the selection. |
| 177 | */ |
| 178 | public interface SelectionDetails { |
| 179 | boolean containsDirectories(); |
| 180 | |
| 181 | boolean containsPartialFiles(); |
| 182 | |
| 183 | // TODO: Update these to express characteristics instead of answering concrete questions, |
| 184 | // since the answer to those questions is (or can be) activity specific. |
| 185 | boolean canDelete(); |
| 186 | |
| 187 | boolean canRename(); |
| 188 | } |
| 189 | |
| 190 | public static class DirectoryDetails { |
| 191 | private final BaseActivity mActivity; |
| 192 | |
| 193 | public DirectoryDetails(BaseActivity activity) { |
| 194 | mActivity = activity; |
| 195 | } |
| 196 | |
| 197 | public boolean shouldShowFancyFeatures() { |
| 198 | return Shared.shouldShowFancyFeatures(mActivity); |
| 199 | } |
| 200 | |
| 201 | public boolean hasRootSettings() { |
| 202 | return mActivity.getCurrentRoot().hasSettings(); |
| 203 | } |
| 204 | |
| 205 | public boolean hasItemsToPaste() { |
| 206 | return false; |
| 207 | } |
| 208 | |
| 209 | public boolean isInRecents() { |
| 210 | return mActivity.getCurrentDirectory() == null; |
| 211 | } |
| 212 | |
| 213 | public boolean canCreateDirectory() { |
| 214 | return mActivity.canCreateDirectory(); |
| 215 | } |
Ben Lin | 2567991 | 2016-06-17 11:48:57 -0700 | [diff] [blame] | 216 | |
| 217 | public boolean getDisplayFileSize() { |
| 218 | return LocalPreferences.getDisplayFileSize(mActivity); |
| 219 | } |
Ben Lin | ebf2a17 | 2016-06-03 13:46:52 -0700 | [diff] [blame] | 220 | } |
| 221 | } |