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mobile/android/base/widget/BasicColorPicker.java@b8a032363ba2 (annotated)

mobile/android/base/widget/BasicColorPicker.java

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
michael@0	2	* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	package org.mozilla.gecko.widget;
michael@0	7
michael@0	8	import org.mozilla.gecko.R;
michael@0	9
michael@0	10	import java.util.ArrayList;
michael@0	11	import java.util.Arrays;
michael@0	12	import java.util.List;
michael@0	13
michael@0	14	import android.content.Context;
michael@0	15	import android.content.res.Resources;
michael@0	16	import android.graphics.Color;
michael@0	17	import android.graphics.PorterDuff;
michael@0	18	import android.graphics.Rect;
michael@0	19	import android.graphics.drawable.Drawable;
michael@0	20	import android.view.View;
michael@0	21	import android.view.ViewGroup;
michael@0	22	import android.view.WindowManager;
michael@0	23	import android.widget.ArrayAdapter;
michael@0	24	import android.widget.AdapterView;
michael@0	25	import android.widget.CheckedTextView;
michael@0	26	import android.widget.ListView;
michael@0	27	import android.util.AttributeSet;
michael@0	28	import android.util.DisplayMetrics;
michael@0	29	import android.util.TypedValue;
michael@0	30
michael@0	31	public class BasicColorPicker extends ListView {
michael@0	32	private final static String LOGTAG = "GeckoBasicColorPicker";
michael@0	33	private final static List<Integer> DEFAULT_COLORS = Arrays.asList(Color.rgb(215,57,32),
michael@0	34	Color.rgb(255,134,5),
michael@0	35	Color.rgb(255,203,19),
michael@0	36	Color.rgb(95,173,71),
michael@0	37	Color.rgb(84,201,168),
michael@0	38	Color.rgb(33,161,222),
michael@0	39	Color.rgb(16,36,87),
michael@0	40	Color.rgb(91,32,103),
michael@0	41	Color.rgb(212,221,228),
michael@0	42	Color.BLACK);
michael@0	43
michael@0	44	private static Drawable mCheckDrawable = null;
michael@0	45	private int mSelected = 0;
michael@0	46	final private ColorPickerListAdapter mAdapter;
michael@0	47
michael@0	48	public BasicColorPicker(Context context) {
michael@0	49	this(context, null);
michael@0	50	}
michael@0	51
michael@0	52	public BasicColorPicker(Context context, AttributeSet attrs) {
michael@0	53	this(context, attrs, 0);
michael@0	54	}
michael@0	55
michael@0	56	public BasicColorPicker(Context context, AttributeSet attrs, int style) {
michael@0	57	this(context, attrs, style, DEFAULT_COLORS);
michael@0	58	}
michael@0	59
michael@0	60	public BasicColorPicker(Context context, AttributeSet attrs, int style, List<Integer> colors) {
michael@0	61	super(context, attrs, style);
michael@0	62	mAdapter = new ColorPickerListAdapter(context, new ArrayList<Integer>(colors));
michael@0	63	setAdapter(mAdapter);
michael@0	64
michael@0	65	setOnItemClickListener(new AdapterView.OnItemClickListener() {
michael@0	66	@Override
michael@0	67	public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
michael@0	68	mSelected = position;
michael@0	69	mAdapter.notifyDataSetChanged();
michael@0	70	}
michael@0	71	});
michael@0	72	}
michael@0	73
michael@0	74	public int getColor() {
michael@0	75	return mAdapter.getItem(mSelected);
michael@0	76	}
michael@0	77
michael@0	78	public void setColor(int color) {
michael@0	79	if (!DEFAULT_COLORS.contains(color)) {
michael@0	80	mSelected = mAdapter.getCount();
michael@0	81	mAdapter.add(color);
michael@0	82	} else {
michael@0	83	mSelected = DEFAULT_COLORS.indexOf(color);
michael@0	84	}
michael@0	85
michael@0	86	setSelection(mSelected);
michael@0	87	mAdapter.notifyDataSetChanged();
michael@0	88	}
michael@0	89
michael@0	90	private Drawable getCheckDrawable() {
michael@0	91	if (mCheckDrawable == null) {
michael@0	92	Resources res = getContext().getResources();
michael@0	93
michael@0	94	TypedValue typedValue = new TypedValue();
michael@0	95	getContext().getTheme().resolveAttribute(android.R.attr.listPreferredItemHeight, typedValue, true);
michael@0	96	DisplayMetrics metrics = new android.util.DisplayMetrics();
michael@0	97	((WindowManager)getContext().getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getMetrics(metrics);
michael@0	98	int height = (int) typedValue.getDimension(metrics);
michael@0	99
michael@0	100	Drawable background = res.getDrawable(R.drawable.color_picker_row_bg);
michael@0	101	Rect r = new Rect();
michael@0	102	background.getPadding(r);
michael@0	103	height -= r.top + r.bottom;
michael@0	104
michael@0	105	mCheckDrawable = res.getDrawable(R.drawable.color_picker_checkmark);
michael@0	106	mCheckDrawable.setBounds(0, 0, height, height);
michael@0	107	}
michael@0	108
michael@0	109	return mCheckDrawable;
michael@0	110	}
michael@0	111
michael@0	112	private class ColorPickerListAdapter extends ArrayAdapter<Integer> {
michael@0	113	private final List<Integer> mColors;
michael@0	114
michael@0	115	public ColorPickerListAdapter(Context context, List<Integer> colors) {
michael@0	116	super(context, R.layout.color_picker_row, colors);
michael@0	117	mColors = colors;
michael@0	118	}
michael@0	119
michael@0	120	public View getView(int position, View convertView, ViewGroup parent) {
michael@0	121	View v = super.getView(position, convertView, parent);
michael@0	122
michael@0	123	Drawable d = v.getBackground();
michael@0	124	d.setColorFilter(getItem(position), PorterDuff.Mode.MULTIPLY);
michael@0	125	v.setBackgroundDrawable(d);
michael@0	126
michael@0	127	Drawable check = null;
michael@0	128	CheckedTextView checked = ((CheckedTextView) v);
michael@0	129	if (mSelected == position) {
michael@0	130	check = getCheckDrawable();
michael@0	131	}
michael@0	132
michael@0	133	checked.setCompoundDrawables(check, null, null, null);
michael@0	134	checked.setText("");
michael@0	135
michael@0	136	return v;
michael@0	137	}
michael@0	138	}
michael@0	139	}