1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/base/prompts/IconGridInput.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,165 @@
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.prompts;
1.10 +
1.11 +import java.util.ArrayList;
1.12 +import java.util.List;
1.13 +
1.14 +import org.json.JSONArray;
1.15 +import org.json.JSONObject;
1.16 +import org.mozilla.gecko.GeckoAppShell;
1.17 +import org.mozilla.gecko.R;
1.18 +import org.mozilla.gecko.gfx.BitmapUtils;
1.19 +
1.20 +import android.content.Context;
1.21 +import android.graphics.drawable.Drawable;
1.22 +import android.text.TextUtils;
1.23 +import android.view.Display;
1.24 +import android.view.LayoutInflater;
1.25 +import android.view.View;
1.26 +import android.view.ViewGroup;
1.27 +import android.view.WindowManager;
1.28 +import android.widget.AdapterView;
1.29 +import android.widget.AdapterView.OnItemClickListener;
1.30 +import android.widget.ArrayAdapter;
1.31 +import android.widget.GridView;
1.32 +import android.widget.ImageView;
1.33 +import android.widget.TextView;
1.34 +
1.35 +public class IconGridInput extends PromptInput implements OnItemClickListener {
1.36 + public static final String INPUT_TYPE = "icongrid";
1.37 + public static final String LOGTAG = "GeckoIconGridInput";
1.38 +
1.39 + private ArrayAdapter<IconGridItem> mAdapter; // An adapter holding a list of items to show in the grid
1.40 +
1.41 + private static int mColumnWidth = -1; // The maximum width of columns
1.42 + private static int mMaxColumns = -1; // The maximum number of columns to show
1.43 + private static int mIconSize = -1; // Size of icons in the grid
1.44 + private int mSelected = -1; // Current selection
1.45 + private JSONArray mArray;
1.46 +
1.47 + public IconGridInput(JSONObject obj) {
1.48 + super(obj);
1.49 + mArray = obj.optJSONArray("items");
1.50 + }
1.51 +
1.52 + @Override
1.53 + public View getView(Context context) throws UnsupportedOperationException {
1.54 + if (mColumnWidth < 0) {
1.55 + // getColumnWidth isn't available on pre-ICS, so we pull it out and assign it here
1.56 + mColumnWidth = context.getResources().getDimensionPixelSize(R.dimen.icongrid_columnwidth);
1.57 + }
1.58 +
1.59 + if (mIconSize < 0) {
1.60 + mIconSize = GeckoAppShell.getPreferredIconSize();
1.61 + }
1.62 +
1.63 + if (mMaxColumns < 0) {
1.64 + mMaxColumns = context.getResources().getInteger(R.integer.max_icon_grid_columns);
1.65 + }
1.66 +
1.67 + // TODO: Dynamically handle size changes
1.68 + final WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
1.69 + final Display display = wm.getDefaultDisplay();
1.70 + final int screenWidth = display.getWidth();
1.71 + int maxColumns = Math.min(mMaxColumns, screenWidth / mColumnWidth);
1.72 +
1.73 + final GridView view = (GridView) LayoutInflater.from(context).inflate(R.layout.icon_grid, null, false);
1.74 + view.setColumnWidth(mColumnWidth);
1.75 +
1.76 + final ArrayList<IconGridItem> items = new ArrayList<IconGridItem>(mArray.length());
1.77 + for (int i = 0; i < mArray.length(); i++) {
1.78 + IconGridItem item = new IconGridItem(context, mArray.optJSONObject(i));
1.79 + items.add(item);
1.80 + if (item.selected) {
1.81 + mSelected = i;
1.82 + view.setSelection(i);
1.83 + }
1.84 + }
1.85 +
1.86 + view.setNumColumns(Math.min(items.size(), maxColumns));
1.87 + view.setOnItemClickListener(this);
1.88 +
1.89 + mAdapter = new IconGridAdapter(context, -1, items);
1.90 + view.setAdapter(mAdapter);
1.91 + mView = view;
1.92 + return mView;
1.93 + }
1.94 +
1.95 + @Override
1.96 + public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
1.97 + mSelected = position;
1.98 + notifyListeners(Integer.toString(position));
1.99 + }
1.100 +
1.101 + @Override
1.102 + public Object getValue() {
1.103 + return new Integer(mSelected);
1.104 + }
1.105 +
1.106 + @Override
1.107 + public boolean getScrollable() {
1.108 + return true;
1.109 + }
1.110 +
1.111 + private class IconGridAdapter extends ArrayAdapter<IconGridItem> {
1.112 + public IconGridAdapter(Context context, int resource, List<IconGridItem> items) {
1.113 + super(context, resource, items);
1.114 + }
1.115 +
1.116 + @Override
1.117 + public View getView(int position, View convert, ViewGroup parent) {
1.118 + final Context context = parent.getContext();
1.119 + if (convert == null) {
1.120 + convert = LayoutInflater.from(context).inflate(R.layout.icon_grid_item, parent, false);
1.121 + }
1.122 + bindView(convert, context, position);
1.123 + return convert;
1.124 + }
1.125 +
1.126 + private void bindView(View v, Context c, int position) {
1.127 + final IconGridItem item = getItem(position);
1.128 + final TextView text1 = (TextView) v.findViewById(android.R.id.text1);
1.129 + text1.setText(item.label);
1.130 +
1.131 + final TextView text2 = (TextView) v.findViewById(android.R.id.text2);
1.132 + if (TextUtils.isEmpty(item.description)) {
1.133 + text2.setVisibility(View.GONE);
1.134 + } else {
1.135 + text2.setVisibility(View.VISIBLE);
1.136 + text2.setText(item.description);
1.137 + }
1.138 +
1.139 + final ImageView icon = (ImageView) v.findViewById(R.id.icon);
1.140 + icon.setImageDrawable(item.icon);
1.141 + ViewGroup.LayoutParams lp = icon.getLayoutParams();
1.142 + lp.width = lp.height = mIconSize;
1.143 + }
1.144 + }
1.145 +
1.146 + private class IconGridItem {
1.147 + final String label;
1.148 + final String description;
1.149 + final boolean selected;
1.150 + Drawable icon;
1.151 +
1.152 + public IconGridItem(final Context context, final JSONObject obj) {
1.153 + label = obj.optString("name");
1.154 + final String iconUrl = obj.optString("iconUri");
1.155 + description = obj.optString("description");
1.156 + selected = obj.optBoolean("selected");
1.157 +
1.158 + BitmapUtils.getDrawable(context, iconUrl, new BitmapUtils.BitmapLoader() {
1.159 + public void onBitmapFound(Drawable d) {
1.160 + icon = d;
1.161 + if (mAdapter != null) {
1.162 + mAdapter.notifyDataSetChanged();
1.163 + }
1.164 + }
1.165 + });
1.166 + }
1.167 + }
1.168 +}
