1/*
2 * Copyright (C) 2013 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.filtershow.colorpicker;
18
19import android.app.Dialog;
20import android.content.Context;
21import android.graphics.Color;
22import android.graphics.drawable.GradientDrawable;
23import android.view.View;
24import android.view.ViewGroup;
25import android.widget.Button;
26
27import com.android.gallery3d.R;
28
29import java.util.ArrayList;
30
31public class ColorGridDialog extends Dialog {
32    RGBListener mCallback;
33    private static final String LOGTAG = "ColorGridDialog";
34
35    public ColorGridDialog(Context context, final RGBListener cl) {
36        super(context);
37        mCallback = cl;
38        setTitle(R.string.color_pick_title);
39        setContentView(R.layout.filtershow_color_gird);
40        Button sel = (Button) findViewById(R.id.filtershow_cp_custom);
41        ArrayList<Button> b = getButtons((ViewGroup) getWindow().getDecorView());
42        int k = 0;
43        float[] hsv = new float[3];
44
45        for (Button button : b) {
46            if (!button.equals(sel)){
47                hsv[0] = (k % 5) * 360 / 5;
48                hsv[1] = (k / 5) / 3.0f;
49                hsv[2] = (k < 5) ? (k / 4f) : 1;
50                final int c = (Color.HSVToColor(hsv) & 0x00FFFFFF) | 0xAA000000;
51                GradientDrawable sd = ((GradientDrawable) button.getBackground());
52                button.setOnClickListener(new View.OnClickListener() {
53                        @Override
54                    public void onClick(View v) {
55                        mCallback.setColor(c);
56                        dismiss();
57                    }
58                });
59                sd.setColor(c);
60                k++;
61            }
62
63        }
64        sel.setOnClickListener(new View.OnClickListener() {
65                @Override
66            public void onClick(View v) {
67                showColorPicker();
68                ColorGridDialog.this.dismiss();
69            }
70        });
71    }
72
73    private ArrayList<Button> getButtons(ViewGroup vg) {
74        ArrayList<Button> list = new ArrayList<Button>();
75        for (int i = 0; i < vg.getChildCount(); i++) {
76            View v = vg.getChildAt(i);
77            if (v instanceof Button) {
78                list.add((Button) v);
79            } else if (v instanceof ViewGroup) {
80                list.addAll(getButtons((ViewGroup) v));
81            }
82        }
83        return list;
84    }
85
86    public void showColorPicker() {
87        ColorListener cl = new ColorListener() {
88                @Override
89            public void setColor(float[] hsvo) {
90                int c = Color.HSVToColor(hsvo) & 0xFFFFFF;
91                int alpha = (int) (hsvo[3] * 255);
92                c |= alpha << 24;
93                mCallback.setColor(c);
94            }
95            @Override
96            public void addColorListener(ColorListener l) {
97            }
98        };
99        ColorPickerDialog cpd = new ColorPickerDialog(this.getContext(), cl);
100        cpd.show();
101    }
102
103}
104