1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/mobile/android/base/widget/BasicColorPicker.java Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,139 @@ 1.4 +/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- 1.5 + * This Source Code Form is subject to the terms of the Mozilla Public 1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.8 + 1.9 +package org.mozilla.gecko.widget; 1.10 + 1.11 +import org.mozilla.gecko.R; 1.12 + 1.13 +import java.util.ArrayList; 1.14 +import java.util.Arrays; 1.15 +import java.util.List; 1.16 + 1.17 +import android.content.Context; 1.18 +import android.content.res.Resources; 1.19 +import android.graphics.Color; 1.20 +import android.graphics.PorterDuff; 1.21 +import android.graphics.Rect; 1.22 +import android.graphics.drawable.Drawable; 1.23 +import android.view.View; 1.24 +import android.view.ViewGroup; 1.25 +import android.view.WindowManager; 1.26 +import android.widget.ArrayAdapter; 1.27 +import android.widget.AdapterView; 1.28 +import android.widget.CheckedTextView; 1.29 +import android.widget.ListView; 1.30 +import android.util.AttributeSet; 1.31 +import android.util.DisplayMetrics; 1.32 +import android.util.TypedValue; 1.33 + 1.34 +public class BasicColorPicker extends ListView { 1.35 + private final static String LOGTAG = "GeckoBasicColorPicker"; 1.36 + private final static List<Integer> DEFAULT_COLORS = Arrays.asList(Color.rgb(215,57,32), 1.37 + Color.rgb(255,134,5), 1.38 + Color.rgb(255,203,19), 1.39 + Color.rgb(95,173,71), 1.40 + Color.rgb(84,201,168), 1.41 + Color.rgb(33,161,222), 1.42 + Color.rgb(16,36,87), 1.43 + Color.rgb(91,32,103), 1.44 + Color.rgb(212,221,228), 1.45 + Color.BLACK); 1.46 + 1.47 + private static Drawable mCheckDrawable = null; 1.48 + private int mSelected = 0; 1.49 + final private ColorPickerListAdapter mAdapter; 1.50 + 1.51 + public BasicColorPicker(Context context) { 1.52 + this(context, null); 1.53 + } 1.54 + 1.55 + public BasicColorPicker(Context context, AttributeSet attrs) { 1.56 + this(context, attrs, 0); 1.57 + } 1.58 + 1.59 + public BasicColorPicker(Context context, AttributeSet attrs, int style) { 1.60 + this(context, attrs, style, DEFAULT_COLORS); 1.61 + } 1.62 + 1.63 + public BasicColorPicker(Context context, AttributeSet attrs, int style, List<Integer> colors) { 1.64 + super(context, attrs, style); 1.65 + mAdapter = new ColorPickerListAdapter(context, new ArrayList<Integer>(colors)); 1.66 + setAdapter(mAdapter); 1.67 + 1.68 + setOnItemClickListener(new AdapterView.OnItemClickListener() { 1.69 + @Override 1.70 + public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1.71 + mSelected = position; 1.72 + mAdapter.notifyDataSetChanged(); 1.73 + } 1.74 + }); 1.75 + } 1.76 + 1.77 + public int getColor() { 1.78 + return mAdapter.getItem(mSelected); 1.79 + } 1.80 + 1.81 + public void setColor(int color) { 1.82 + if (!DEFAULT_COLORS.contains(color)) { 1.83 + mSelected = mAdapter.getCount(); 1.84 + mAdapter.add(color); 1.85 + } else { 1.86 + mSelected = DEFAULT_COLORS.indexOf(color); 1.87 + } 1.88 + 1.89 + setSelection(mSelected); 1.90 + mAdapter.notifyDataSetChanged(); 1.91 + } 1.92 + 1.93 + private Drawable getCheckDrawable() { 1.94 + if (mCheckDrawable == null) { 1.95 + Resources res = getContext().getResources(); 1.96 + 1.97 + TypedValue typedValue = new TypedValue(); 1.98 + getContext().getTheme().resolveAttribute(android.R.attr.listPreferredItemHeight, typedValue, true); 1.99 + DisplayMetrics metrics = new android.util.DisplayMetrics(); 1.100 + ((WindowManager)getContext().getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getMetrics(metrics); 1.101 + int height = (int) typedValue.getDimension(metrics); 1.102 + 1.103 + Drawable background = res.getDrawable(R.drawable.color_picker_row_bg); 1.104 + Rect r = new Rect(); 1.105 + background.getPadding(r); 1.106 + height -= r.top + r.bottom; 1.107 + 1.108 + mCheckDrawable = res.getDrawable(R.drawable.color_picker_checkmark); 1.109 + mCheckDrawable.setBounds(0, 0, height, height); 1.110 + } 1.111 + 1.112 + return mCheckDrawable; 1.113 + } 1.114 + 1.115 + private class ColorPickerListAdapter extends ArrayAdapter<Integer> { 1.116 + private final List<Integer> mColors; 1.117 + 1.118 + public ColorPickerListAdapter(Context context, List<Integer> colors) { 1.119 + super(context, R.layout.color_picker_row, colors); 1.120 + mColors = colors; 1.121 + } 1.122 + 1.123 + public View getView(int position, View convertView, ViewGroup parent) { 1.124 + View v = super.getView(position, convertView, parent); 1.125 + 1.126 + Drawable d = v.getBackground(); 1.127 + d.setColorFilter(getItem(position), PorterDuff.Mode.MULTIPLY); 1.128 + v.setBackgroundDrawable(d); 1.129 + 1.130 + Drawable check = null; 1.131 + CheckedTextView checked = ((CheckedTextView) v); 1.132 + if (mSelected == position) { 1.133 + check = getCheckDrawable(); 1.134 + } 1.135 + 1.136 + checked.setCompoundDrawables(check, null, null, null); 1.137 + checked.setText(""); 1.138 + 1.139 + return v; 1.140 + } 1.141 + } 1.142 +}