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