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
17package com.android.documentsui.picker;
18
19import static com.android.documentsui.base.State.ACTION_CREATE;
20import static com.android.documentsui.base.State.ACTION_GET_CONTENT;
21import static com.android.documentsui.base.State.ACTION_OPEN;
22import static com.android.documentsui.base.State.ACTION_OPEN_TREE;
23import static com.android.documentsui.base.State.ACTION_PICK_COPY_DESTINATION;
24
25import android.view.KeyboardShortcutGroup;
26import android.view.Menu;
27import android.view.MenuItem;
28
29import com.android.documentsui.base.State;
30import com.android.documentsui.queries.SearchViewManager;
31
32import java.util.List;
33import java.util.function.IntFunction;
34
35public final class MenuManager extends com.android.documentsui.MenuManager {
36
37    public MenuManager(SearchViewManager searchManager, State displayState, DirectoryDetails dirDetails) {
38        super(searchManager, displayState, dirDetails);
39
40    }
41
42    @Override
43    public void updateKeyboardShortcutsMenu(
44            List<KeyboardShortcutGroup> data, IntFunction<String> stringSupplier) {
45        // None as of yet.
46    }
47
48    private boolean picking() {
49        return mState.action == ACTION_CREATE
50                || mState.action == ACTION_OPEN_TREE
51                || mState.action == ACTION_PICK_COPY_DESTINATION;
52    }
53
54    @Override
55    public void updateOptionMenu(Menu menu) {
56        super.updateOptionMenu(menu);
57        if (picking()) {
58            // May already be hidden because the root
59            // doesn't support search.
60            mSearchManager.showMenu(null);
61        }
62    }
63
64    @Override
65    protected void updateModePicker(MenuItem grid, MenuItem list) {
66        // No display options in recent directories
67        if (picking() && mDirDetails.isInRecents()) {
68            grid.setVisible(false);
69            list.setVisible(false);
70        } else {
71            super.updateModePicker(grid, list);
72        }
73    }
74
75    @Override
76    protected void updateSelectAll(MenuItem selectAll) {
77        boolean enabled = mState.allowMultiple;
78        selectAll.setVisible(enabled);
79        selectAll.setEnabled(enabled);
80    }
81
82    @Override
83    protected void updateCreateDir(MenuItem createDir) {
84        createDir.setVisible(picking());
85        createDir.setEnabled(picking() && mDirDetails.canCreateDirectory());
86    }
87
88    @Override
89    protected void updateOpenInActionMode(MenuItem open, SelectionDetails selectionDetails) {
90        updateOpen(open, selectionDetails);
91    }
92
93    @Override
94    protected void updateOpenInContextMenu(MenuItem open, SelectionDetails selectionDetails) {
95        updateOpen(open, selectionDetails);
96    }
97
98    private void updateOpen(MenuItem open, SelectionDetails selectionDetails) {
99        open.setVisible(mState.action == ACTION_GET_CONTENT
100                || mState.action == ACTION_OPEN);
101        open.setEnabled(selectionDetails.size() > 0);
102    }
103}
104