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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.widget;
import org.mozilla.gecko.R;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Color;
import android.graphics.PorterDuff;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.ArrayAdapter;
import android.widget.AdapterView;
import android.widget.CheckedTextView;
import android.widget.ListView;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.TypedValue;
public class BasicColorPicker extends ListView {
private final static String LOGTAG = "GeckoBasicColorPicker";
private final static List<Integer> DEFAULT_COLORS = Arrays.asList(Color.rgb(215, 57, 32),
Color.rgb(255, 134, 5),
Color.rgb(255, 203, 19),
Color.rgb(95, 173, 71),
Color.rgb(84, 201, 168),
Color.rgb(33, 161, 222),
Color.rgb(16, 36, 87),
Color.rgb(91, 32, 103),
Color.rgb(212, 221, 228),
Color.BLACK);
private static Drawable mCheckDrawable;
int mSelected;
final ColorPickerListAdapter mAdapter;
public BasicColorPicker(Context context) {
this(context, null);
}
public BasicColorPicker(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public BasicColorPicker(Context context, AttributeSet attrs, int style) {
this(context, attrs, style, DEFAULT_COLORS);
}
public BasicColorPicker(Context context, AttributeSet attrs, int style, List<Integer> colors) {
super(context, attrs, style);
mAdapter = new ColorPickerListAdapter(context, new ArrayList<Integer>(colors));
setAdapter(mAdapter);
setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
mSelected = position;
mAdapter.notifyDataSetChanged();
}
});
}
public int getColor() {
return mAdapter.getItem(mSelected);
}
public void setColor(int color) {
if (!DEFAULT_COLORS.contains(color)) {
mSelected = mAdapter.getCount();
mAdapter.add(color);
} else {
mSelected = DEFAULT_COLORS.indexOf(color);
}
setSelection(mSelected);
mAdapter.notifyDataSetChanged();
}
Drawable getCheckDrawable() {
if (mCheckDrawable == null) {
Resources res = getContext().getResources();
TypedValue typedValue = new TypedValue();
getContext().getTheme().resolveAttribute(android.R.attr.listPreferredItemHeight, typedValue, true);
DisplayMetrics metrics = new android.util.DisplayMetrics();
((WindowManager)getContext().getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getMetrics(metrics);
int height = (int) typedValue.getDimension(metrics);
Drawable background = res.getDrawable(R.drawable.color_picker_row_bg);
Rect r = new Rect();
background.getPadding(r);
height -= r.top + r.bottom;
mCheckDrawable = res.getDrawable(R.drawable.color_picker_checkmark);
mCheckDrawable.setBounds(0, 0, height, height);
}
return mCheckDrawable;
}
private class ColorPickerListAdapter extends ArrayAdapter<Integer> {
private final List<Integer> mColors;
public ColorPickerListAdapter(Context context, List<Integer> colors) {
super(context, R.layout.color_picker_row, colors);
mColors = colors;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = super.getView(position, convertView, parent);
Drawable d = v.getBackground();
d.setColorFilter(getItem(position), PorterDuff.Mode.MULTIPLY);
v.setBackgroundDrawable(d);
Drawable check = null;
CheckedTextView checked = ((CheckedTextView) v);
if (mSelected == position) {
check = getCheckDrawable();
}
checked.setCompoundDrawables(check, null, null, null);
checked.setText("");
return v;
}
}
}
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