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 17 package com.android.colorpicker; 18 19 import android.content.Context; 20 import android.graphics.PorterDuff.Mode; 21 import android.graphics.drawable.ColorDrawable; 22 import android.graphics.drawable.Drawable; 23 import android.graphics.drawable.LayerDrawable; 24 import android.view.LayoutInflater; 25 import android.view.View; 26 import android.widget.FrameLayout; 27 import android.widget.ImageView; 28 29 /** 30 * Creates a circular swatch of a specified color. Adds a checkmark if marked as checked. 31 */ 32 public 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