1/*
2 * Copyright (C) 2010 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.gallery3d.photoeditor;
18
19import android.content.Context;
20import android.util.AttributeSet;
21import android.view.View;
22import android.view.ViewGroup;
23
24import com.android.gallery3d.R;
25
26/**
27 * Effects menu that contains toggles mapping to corresponding groups of effects.
28 */
29public class EffectsMenu extends RestorableView {
30
31    /**
32     * Listener of toggle changes.
33     */
34    public interface OnToggleListener {
35
36        /**
37         * Listens to the selected status and mapped effects-id of the clicked toggle.
38         *
39         * @return true to make the toggle selected; otherwise, make it unselected.
40         */
41        boolean onToggle(boolean isSelected, int effectsId);
42    }
43
44    public EffectsMenu(Context context, AttributeSet attrs) {
45        super(context, attrs);
46    }
47
48    @Override
49    protected int childLayoutId() {
50        return R.layout.photoeditor_effects_menu;
51    }
52
53    public void setOnToggleListener(OnToggleListener listener) {
54        setToggleRunnalbe(listener, R.id.exposure_button, R.layout.photoeditor_effects_exposure);
55        setToggleRunnalbe(listener, R.id.artistic_button, R.layout.photoeditor_effects_artistic);
56        setToggleRunnalbe(listener, R.id.color_button, R.layout.photoeditor_effects_color);
57        setToggleRunnalbe(listener, R.id.fix_button, R.layout.photoeditor_effects_fix);
58    }
59
60    private void setToggleRunnalbe(final OnToggleListener listener, final int toggleId,
61            final int effectsId) {
62        setClickRunnable(toggleId, new Runnable() {
63
64            @Override
65            public void run() {
66                boolean selected = findViewById(toggleId).isSelected();
67                setViewSelected(toggleId, listener.onToggle(selected, effectsId));
68            }
69        });
70    }
71
72    public void clearSelected() {
73        ViewGroup menu = (ViewGroup) findViewById(R.id.toggles);
74        for (int i = 0; i < menu.getChildCount(); i++) {
75            View toggle = menu.getChildAt(i);
76            if (toggle.isSelected()) {
77                setViewSelected(toggle.getId(), false);
78            }
79        }
80    }
81}
82