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.actions;
18
19import android.content.Context;
20import android.util.AttributeSet;
21
22import com.android.gallery3d.photoeditor.filters.DoodleFilter;
23
24/**
25 * An action handling doodle effect.
26 */
27public class DoodleAction extends EffectAction {
28
29    private static final int DEFAULT_COLOR_INDEX = 4;
30
31    private DoodleFilter filter;
32    private ColorSeekBar colorPicker;
33    private DoodleView doodleView;
34
35    public DoodleAction(Context context, AttributeSet attrs) {
36        super(context, attrs);
37    }
38
39    @Override
40    public void doBegin() {
41        filter = new DoodleFilter();
42
43        colorPicker = factory.createColorPicker();
44        colorPicker.setOnColorChangeListener(new ColorSeekBar.OnColorChangeListener() {
45
46            @Override
47            public void onColorChanged(int color, boolean fromUser) {
48                if (fromUser) {
49                    doodleView.setColor(color);
50                }
51            }
52        });
53        colorPicker.setColorIndex(DEFAULT_COLOR_INDEX);
54
55        doodleView = factory.createDoodleView();
56        doodleView.setOnDoodleChangeListener(new DoodleView.OnDoodleChangeListener() {
57
58            @Override
59            public void onDoodleInPhotoBounds() {
60                // Notify the user has drawn within photo bounds and made visible changes on photo.
61                filter.setDoodledInPhotoBounds();
62                notifyFilterChanged(filter, false);
63            }
64
65            @Override
66            public void onDoodleFinished(Doodle doodle) {
67                filter.addDoodle(doodle);
68                notifyFilterChanged(filter, false);
69            }
70        });
71        doodleView.setColor(colorPicker.getColor());
72    }
73
74    @Override
75    public void doEnd() {
76        colorPicker.setOnColorChangeListener(null);
77        doodleView.setOnDoodleChangeListener(null);
78        notifyFilterChanged(filter, true);
79    }
80}
81