The Tor Browser: mobile/android/base/widget/BasicColorPicker.java@b8a032363ba2

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

     1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-

     2  * This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 package org.mozilla.gecko.widget;

     8 import org.mozilla.gecko.R;

    10 import java.util.ArrayList;

    11 import java.util.Arrays;

    12 import java.util.List;

    14 import android.content.Context;

    15 import android.content.res.Resources;

    16 import android.graphics.Color;

    17 import android.graphics.PorterDuff;

    18 import android.graphics.Rect;

    19 import android.graphics.drawable.Drawable;

    20 import android.view.View;

    21 import android.view.ViewGroup;

    22 import android.view.WindowManager;

    23 import android.widget.ArrayAdapter;

    24 import android.widget.AdapterView;

    25 import android.widget.CheckedTextView;

    26 import android.widget.ListView;

    27 import android.util.AttributeSet;

    28 import android.util.DisplayMetrics;

    29 import android.util.TypedValue;

    31 public class BasicColorPicker extends ListView {

    32     private final static String LOGTAG = "GeckoBasicColorPicker";

    33     private final static List<Integer> DEFAULT_COLORS = Arrays.asList(Color.rgb(215,57,32),

    34                                                                       Color.rgb(255,134,5),

    35                                                                       Color.rgb(255,203,19),

    36                                                                       Color.rgb(95,173,71),

    37                                                                       Color.rgb(84,201,168),

    38                                                                       Color.rgb(33,161,222),

    39                                                                       Color.rgb(16,36,87),

    40                                                                       Color.rgb(91,32,103),

    41                                                                       Color.rgb(212,221,228),

    42                                                                       Color.BLACK);

    44     private static Drawable mCheckDrawable = null;

    45     private int mSelected = 0;

    46     final private ColorPickerListAdapter mAdapter;

    48     public BasicColorPicker(Context context) {

    49         this(context, null);

    50     }

    52     public BasicColorPicker(Context context, AttributeSet attrs) {

    53         this(context, attrs, 0);

    54     }

    56     public BasicColorPicker(Context context, AttributeSet attrs, int style) {

    57         this(context, attrs, style, DEFAULT_COLORS);

    58     }

    60     public BasicColorPicker(Context context, AttributeSet attrs, int style, List<Integer> colors) {

    61         super(context, attrs, style);

    62         mAdapter = new ColorPickerListAdapter(context, new ArrayList<Integer>(colors));

    63         setAdapter(mAdapter);

    65         setOnItemClickListener(new AdapterView.OnItemClickListener() {

    66             @Override

    67             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

    68                 mSelected = position;

    69                 mAdapter.notifyDataSetChanged();

    70             }

    71         });

    72     }

    74     public int getColor() {

    75         return mAdapter.getItem(mSelected);

    76     }

    78     public void setColor(int color) {

    79         if (!DEFAULT_COLORS.contains(color)) {

    80             mSelected = mAdapter.getCount();

    81             mAdapter.add(color);

    82         } else {

    83             mSelected = DEFAULT_COLORS.indexOf(color);

    84         }

    86         setSelection(mSelected);

    87         mAdapter.notifyDataSetChanged();

    88     }

    90     private Drawable getCheckDrawable() {

    91         if (mCheckDrawable == null) {

    92             Resources res = getContext().getResources();

    94             TypedValue typedValue = new TypedValue();

    95             getContext().getTheme().resolveAttribute(android.R.attr.listPreferredItemHeight, typedValue, true);

    96             DisplayMetrics metrics = new android.util.DisplayMetrics();

    97             ((WindowManager)getContext().getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getMetrics(metrics);

    98             int height = (int) typedValue.getDimension(metrics);

   100             Drawable background = res.getDrawable(R.drawable.color_picker_row_bg);

   101             Rect r = new Rect();

   102             background.getPadding(r);

   103             height -= r.top + r.bottom;

   105             mCheckDrawable = res.getDrawable(R.drawable.color_picker_checkmark);

   106             mCheckDrawable.setBounds(0, 0, height, height);

   107         }

   109         return mCheckDrawable;

   110     }

   112    private class ColorPickerListAdapter extends ArrayAdapter<Integer> {

   113         private final List<Integer> mColors;

   115         public ColorPickerListAdapter(Context context, List<Integer> colors) {

   116             super(context, R.layout.color_picker_row, colors);

   117             mColors = colors;

   118         }

   120         public View getView(int position, View convertView, ViewGroup parent) {

   121             View v = super.getView(position, convertView, parent);

   123             Drawable d = v.getBackground();

   124             d.setColorFilter(getItem(position), PorterDuff.Mode.MULTIPLY);

   125             v.setBackgroundDrawable(d);

   127             Drawable check = null;

   128             CheckedTextView checked = ((CheckedTextView) v);

   129             if (mSelected == position) {

   130                 check = getCheckDrawable();

   131             }

   133             checked.setCompoundDrawables(check, null, null, null);

   134             checked.setText("");

   136             return v;

   137         }

   138     }

   139 }

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