143 lines
4.8 KiB
Java
Executable File
143 lines
4.8 KiB
Java
Executable File
// Copyright 2013 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
package org.chromium.ui;
|
|
|
|
import android.content.Context;
|
|
import android.graphics.Color;
|
|
import android.graphics.drawable.GradientDrawable;
|
|
import android.graphics.drawable.LayerDrawable;
|
|
import android.text.TextUtils;
|
|
import android.view.View;
|
|
import android.view.ViewGroup;
|
|
import android.widget.AbsListView;
|
|
import android.widget.BaseAdapter;
|
|
import android.widget.LinearLayout;
|
|
|
|
import org.chromium.base.ApiCompatibilityUtils;
|
|
|
|
/**
|
|
* The adapter used to populate ColorPickerSimple.
|
|
*/
|
|
public class ColorSuggestionListAdapter extends BaseAdapter implements View.OnClickListener {
|
|
private Context mContext;
|
|
private ColorSuggestion[] mSuggestions;
|
|
private OnColorSuggestionClickListener mListener;
|
|
|
|
/**
|
|
* The callback used to indicate the user has clicked on a suggestion.
|
|
*/
|
|
public interface OnColorSuggestionClickListener {
|
|
|
|
/**
|
|
* Called upon a click on a suggestion.
|
|
*
|
|
* @param suggestion The suggestion that was clicked.
|
|
*/
|
|
void onColorSuggestionClick(ColorSuggestion suggestion);
|
|
}
|
|
|
|
private static final int COLORS_PER_ROW = 4;
|
|
|
|
ColorSuggestionListAdapter(Context context, ColorSuggestion[] suggestions) {
|
|
mContext = context;
|
|
mSuggestions = suggestions;
|
|
}
|
|
|
|
/**
|
|
* Sets the listener that will be notified upon a click on a suggestion.
|
|
*/
|
|
public void setOnColorSuggestionClickListener(OnColorSuggestionClickListener listener) {
|
|
mListener = listener;
|
|
}
|
|
|
|
/**
|
|
* Sets up the color button to represent a color suggestion.
|
|
*
|
|
* @param button The button view to set up.
|
|
* @param index The index of the suggestion in mSuggestions.
|
|
*/
|
|
private void setUpColorButton(View button, int index) {
|
|
if (index >= mSuggestions.length) {
|
|
button.setTag(null);
|
|
button.setContentDescription(null);
|
|
button.setVisibility(View.INVISIBLE);
|
|
return;
|
|
}
|
|
button.setTag(mSuggestions[index]);
|
|
button.setVisibility(View.VISIBLE);
|
|
ColorSuggestion suggestion = mSuggestions[index];
|
|
LayerDrawable layers = (LayerDrawable) button.getBackground();
|
|
GradientDrawable swatch =
|
|
(GradientDrawable) layers.findDrawableByLayerId(R.id.color_button_swatch);
|
|
swatch.setColor(suggestion.mColor);
|
|
String description = suggestion.mLabel;
|
|
if (TextUtils.isEmpty(description)) {
|
|
description = String.format("#%06X", (0xFFFFFF & suggestion.mColor));
|
|
}
|
|
button.setContentDescription(description);
|
|
button.setOnClickListener(this);
|
|
}
|
|
|
|
@Override
|
|
public void onClick(View v) {
|
|
if (mListener == null) {
|
|
return;
|
|
}
|
|
ColorSuggestion suggestion = (ColorSuggestion) v.getTag();
|
|
if (suggestion == null) {
|
|
return;
|
|
}
|
|
mListener.onColorSuggestionClick(suggestion);
|
|
}
|
|
|
|
@Override
|
|
public View getView(int position, View convertView, ViewGroup parent) {
|
|
LinearLayout layout;
|
|
if (convertView != null && convertView instanceof LinearLayout) {
|
|
layout = (LinearLayout) convertView;
|
|
} else {
|
|
layout = new LinearLayout(mContext);
|
|
layout.setLayoutParams(new AbsListView.LayoutParams(
|
|
AbsListView.LayoutParams.MATCH_PARENT,
|
|
AbsListView.LayoutParams.WRAP_CONTENT));
|
|
layout.setOrientation(LinearLayout.HORIZONTAL);
|
|
layout.setBackgroundColor(Color.WHITE);
|
|
int buttonHeight =
|
|
mContext.getResources().getDimensionPixelOffset(R.dimen.color_button_height);
|
|
for (int i = 0; i < COLORS_PER_ROW; ++i) {
|
|
View button = new View(mContext);
|
|
LinearLayout.LayoutParams layoutParams =
|
|
new LinearLayout.LayoutParams(0, buttonHeight, 1f);
|
|
ApiCompatibilityUtils.setMarginStart(layoutParams, -1);
|
|
if (i == COLORS_PER_ROW - 1) {
|
|
ApiCompatibilityUtils.setMarginEnd(layoutParams, -1);
|
|
}
|
|
button.setLayoutParams(layoutParams);
|
|
button.setBackgroundResource(R.drawable.color_button_background);
|
|
layout.addView(button);
|
|
}
|
|
}
|
|
for (int i = 0; i < COLORS_PER_ROW; ++i) {
|
|
setUpColorButton(layout.getChildAt(i), position * COLORS_PER_ROW + i);
|
|
}
|
|
return layout;
|
|
}
|
|
|
|
@Override
|
|
public long getItemId(int position) {
|
|
return position;
|
|
}
|
|
|
|
@Override
|
|
public Object getItem(int position) {
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public int getCount() {
|
|
return (mSuggestions.length + COLORS_PER_ROW - 1) / COLORS_PER_ROW;
|
|
}
|
|
}
|