mobile/android/base/prompts/IconGridInput.java

Wed, 31 Dec 2014 07:22:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 07:22:50 +0100
branch
TOR_BUG_3246
changeset 4
fc2d59ddac77
permissions
-rw-r--r--

Correct previous dual key logic pending first delivery installment.

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.prompts;
michael@0 7
michael@0 8 import java.util.ArrayList;
michael@0 9 import java.util.List;
michael@0 10
michael@0 11 import org.json.JSONArray;
michael@0 12 import org.json.JSONObject;
michael@0 13 import org.mozilla.gecko.GeckoAppShell;
michael@0 14 import org.mozilla.gecko.R;
michael@0 15 import org.mozilla.gecko.gfx.BitmapUtils;
michael@0 16
michael@0 17 import android.content.Context;
michael@0 18 import android.graphics.drawable.Drawable;
michael@0 19 import android.text.TextUtils;
michael@0 20 import android.view.Display;
michael@0 21 import android.view.LayoutInflater;
michael@0 22 import android.view.View;
michael@0 23 import android.view.ViewGroup;
michael@0 24 import android.view.WindowManager;
michael@0 25 import android.widget.AdapterView;
michael@0 26 import android.widget.AdapterView.OnItemClickListener;
michael@0 27 import android.widget.ArrayAdapter;
michael@0 28 import android.widget.GridView;
michael@0 29 import android.widget.ImageView;
michael@0 30 import android.widget.TextView;
michael@0 31
michael@0 32 public class IconGridInput extends PromptInput implements OnItemClickListener {
michael@0 33 public static final String INPUT_TYPE = "icongrid";
michael@0 34 public static final String LOGTAG = "GeckoIconGridInput";
michael@0 35
michael@0 36 private ArrayAdapter<IconGridItem> mAdapter; // An adapter holding a list of items to show in the grid
michael@0 37
michael@0 38 private static int mColumnWidth = -1; // The maximum width of columns
michael@0 39 private static int mMaxColumns = -1; // The maximum number of columns to show
michael@0 40 private static int mIconSize = -1; // Size of icons in the grid
michael@0 41 private int mSelected = -1; // Current selection
michael@0 42 private JSONArray mArray;
michael@0 43
michael@0 44 public IconGridInput(JSONObject obj) {
michael@0 45 super(obj);
michael@0 46 mArray = obj.optJSONArray("items");
michael@0 47 }
michael@0 48
michael@0 49 @Override
michael@0 50 public View getView(Context context) throws UnsupportedOperationException {
michael@0 51 if (mColumnWidth < 0) {
michael@0 52 // getColumnWidth isn't available on pre-ICS, so we pull it out and assign it here
michael@0 53 mColumnWidth = context.getResources().getDimensionPixelSize(R.dimen.icongrid_columnwidth);
michael@0 54 }
michael@0 55
michael@0 56 if (mIconSize < 0) {
michael@0 57 mIconSize = GeckoAppShell.getPreferredIconSize();
michael@0 58 }
michael@0 59
michael@0 60 if (mMaxColumns < 0) {
michael@0 61 mMaxColumns = context.getResources().getInteger(R.integer.max_icon_grid_columns);
michael@0 62 }
michael@0 63
michael@0 64 // TODO: Dynamically handle size changes
michael@0 65 final WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
michael@0 66 final Display display = wm.getDefaultDisplay();
michael@0 67 final int screenWidth = display.getWidth();
michael@0 68 int maxColumns = Math.min(mMaxColumns, screenWidth / mColumnWidth);
michael@0 69
michael@0 70 final GridView view = (GridView) LayoutInflater.from(context).inflate(R.layout.icon_grid, null, false);
michael@0 71 view.setColumnWidth(mColumnWidth);
michael@0 72
michael@0 73 final ArrayList<IconGridItem> items = new ArrayList<IconGridItem>(mArray.length());
michael@0 74 for (int i = 0; i < mArray.length(); i++) {
michael@0 75 IconGridItem item = new IconGridItem(context, mArray.optJSONObject(i));
michael@0 76 items.add(item);
michael@0 77 if (item.selected) {
michael@0 78 mSelected = i;
michael@0 79 view.setSelection(i);
michael@0 80 }
michael@0 81 }
michael@0 82
michael@0 83 view.setNumColumns(Math.min(items.size(), maxColumns));
michael@0 84 view.setOnItemClickListener(this);
michael@0 85
michael@0 86 mAdapter = new IconGridAdapter(context, -1, items);
michael@0 87 view.setAdapter(mAdapter);
michael@0 88 mView = view;
michael@0 89 return mView;
michael@0 90 }
michael@0 91
michael@0 92 @Override
michael@0 93 public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
michael@0 94 mSelected = position;
michael@0 95 notifyListeners(Integer.toString(position));
michael@0 96 }
michael@0 97
michael@0 98 @Override
michael@0 99 public Object getValue() {
michael@0 100 return new Integer(mSelected);
michael@0 101 }
michael@0 102
michael@0 103 @Override
michael@0 104 public boolean getScrollable() {
michael@0 105 return true;
michael@0 106 }
michael@0 107
michael@0 108 private class IconGridAdapter extends ArrayAdapter<IconGridItem> {
michael@0 109 public IconGridAdapter(Context context, int resource, List<IconGridItem> items) {
michael@0 110 super(context, resource, items);
michael@0 111 }
michael@0 112
michael@0 113 @Override
michael@0 114 public View getView(int position, View convert, ViewGroup parent) {
michael@0 115 final Context context = parent.getContext();
michael@0 116 if (convert == null) {
michael@0 117 convert = LayoutInflater.from(context).inflate(R.layout.icon_grid_item, parent, false);
michael@0 118 }
michael@0 119 bindView(convert, context, position);
michael@0 120 return convert;
michael@0 121 }
michael@0 122
michael@0 123 private void bindView(View v, Context c, int position) {
michael@0 124 final IconGridItem item = getItem(position);
michael@0 125 final TextView text1 = (TextView) v.findViewById(android.R.id.text1);
michael@0 126 text1.setText(item.label);
michael@0 127
michael@0 128 final TextView text2 = (TextView) v.findViewById(android.R.id.text2);
michael@0 129 if (TextUtils.isEmpty(item.description)) {
michael@0 130 text2.setVisibility(View.GONE);
michael@0 131 } else {
michael@0 132 text2.setVisibility(View.VISIBLE);
michael@0 133 text2.setText(item.description);
michael@0 134 }
michael@0 135
michael@0 136 final ImageView icon = (ImageView) v.findViewById(R.id.icon);
michael@0 137 icon.setImageDrawable(item.icon);
michael@0 138 ViewGroup.LayoutParams lp = icon.getLayoutParams();
michael@0 139 lp.width = lp.height = mIconSize;
michael@0 140 }
michael@0 141 }
michael@0 142
michael@0 143 private class IconGridItem {
michael@0 144 final String label;
michael@0 145 final String description;
michael@0 146 final boolean selected;
michael@0 147 Drawable icon;
michael@0 148
michael@0 149 public IconGridItem(final Context context, final JSONObject obj) {
michael@0 150 label = obj.optString("name");
michael@0 151 final String iconUrl = obj.optString("iconUri");
michael@0 152 description = obj.optString("description");
michael@0 153 selected = obj.optBoolean("selected");
michael@0 154
michael@0 155 BitmapUtils.getDrawable(context, iconUrl, new BitmapUtils.BitmapLoader() {
michael@0 156 public void onBitmapFound(Drawable d) {
michael@0 157 icon = d;
michael@0 158 if (mAdapter != null) {
michael@0 159 mAdapter.notifyDataSetChanged();
michael@0 160 }
michael@0 161 }
michael@0 162 });
michael@0 163 }
michael@0 164 }
michael@0 165 }

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