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.colorpicker;
18
19import android.content.Context;
20import android.graphics.PorterDuff.Mode;
21import android.graphics.drawable.ColorDrawable;
22import android.graphics.drawable.Drawable;
23import android.graphics.drawable.LayerDrawable;
24import android.view.LayoutInflater;
25import android.view.View;
26import android.widget.FrameLayout;
27import android.widget.ImageView;
28
29/**
30 * Creates a circular swatch of a specified color.  Adds a checkmark if marked as checked.
31 */
32public class ColorPickerSwatch extends FrameLayout implements View.OnClickListener {
33    private int mColor;
34    private ImageView mSwatchImage;
35    private ImageView mCheckmarkImage;
36    private OnColorSelectedListener mOnColorSelectedListener;
37
38    /**
39     * Interface for a callback when a color square is selected.
40     */
41    public interface OnColorSelectedListener {
42
43        /**
44         * Called when a specific color square has been selected.
45         */
46        public void onColorSelected(int color);
47    }
48
49    public ColorPickerSwatch(Context context, int color, boolean checked,
50            OnColorSelectedListener listener) {
51        super(context);
52        mColor = color;
53        mOnColorSelectedListener = listener;
54
55        LayoutInflater.from(context).inflate(R.layout.color_picker_swatch, this);
56        mSwatchImage = (ImageView) findViewById(R.id.color_picker_swatch);
57        mCheckmarkImage = (ImageView) findViewById(R.id.color_picker_checkmark);
58        setColor(color);
59        setChecked(checked);
60        setOnClickListener(this);
61    }
62
63    protected void setColor(int color) {
64        Drawable[] colorDrawable = new Drawable[]
65                {getContext().getResources().getDrawable(R.drawable.color_picker_swatch)};
66        mSwatchImage.setImageDrawable(new ColorStateDrawable(colorDrawable, color));
67    }
68
69    private void setChecked(boolean checked) {
70        if (checked) {
71            mCheckmarkImage.setVisibility(View.VISIBLE);
72        } else {
73            mCheckmarkImage.setVisibility(View.GONE);
74        }
75    }
76
77    @Override
78    public void onClick(View v) {
79        if (mOnColorSelectedListener != null) {
80            mOnColorSelectedListener.onColorSelected(mColor);
81        }
82    }
83}
84