mirror of
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542 lines
21 KiB
Java
542 lines
21 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Android code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Wes Johnston <wjohnston@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.gecko;
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import android.util.Log;
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import java.lang.String;
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import java.util.concurrent.SynchronousQueue;
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import java.util.concurrent.TimeUnit;
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import android.app.AlertDialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.DialogInterface.OnClickListener;
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import android.content.DialogInterface.OnCancelListener;
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import android.content.DialogInterface.OnMultiChoiceClickListener;
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import android.content.res.Resources;
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import android.graphics.Bitmap;
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import android.graphics.Color;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.Drawable;
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import android.text.InputType;
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import android.text.method.PasswordTransformationMethod;
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import android.util.TypedValue;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.LayoutInflater;
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import android.view.ViewGroup.LayoutParams;
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import android.widget.AdapterView;
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import android.widget.AdapterView.OnItemClickListener;
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import android.widget.TextView;
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import android.widget.CheckBox;
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import android.widget.CheckedTextView;
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import android.widget.EditText;
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import android.widget.LinearLayout;
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import android.widget.Spinner;
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import android.widget.ArrayAdapter;
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import android.widget.ListView;
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import org.json.JSONArray;
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import org.json.JSONObject;
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import android.text.InputType;
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public class PromptService implements OnClickListener, OnCancelListener, OnItemClickListener {
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private static final String LOGTAG = "GeckoPromptService";
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private PromptInput[] mInputs;
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private AlertDialog mDialog = null;
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private static LayoutInflater mInflater;
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private final static int GROUP_PADDING_SIZE = 32; // in dip units
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private static int mGroupPaddingSize = 0; // calculated from GROUP_PADDING_SIZE. In pixel units
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private final static int LEFT_RIGHT_TEXT_WITH_ICON_PADDING = 10; // in dip units
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private static int mLeftRightTextWithIconPadding = 0; // calculated from LEFT_RIGHT_TEXT_WITH_ICON_PADDING.
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private final static int TOP_BOTTOM_TEXT_WITH_ICON_PADDING = 8; // in dip units
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private static int mTopBottomTextWithIconPadding = 0; // calculated from TOP_BOTTOM_TEXT_WITH_ICON_PADDING.
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private final static int ICON_TEXT_PADDING = 10; // in dip units
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private static int mIconTextPadding = 0; // calculated from ICON_TEXT_PADDING.
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private final static int ICON_SIZE = 72; // in dip units
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private static int mIconSize = 0; // calculated from ICON_SIZE.
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PromptService() {
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mInflater = LayoutInflater.from(GeckoApp.mAppContext);
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Resources res = GeckoApp.mAppContext.getResources();
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mGroupPaddingSize = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
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GROUP_PADDING_SIZE,
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res.getDisplayMetrics());
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mLeftRightTextWithIconPadding = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
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LEFT_RIGHT_TEXT_WITH_ICON_PADDING,
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res.getDisplayMetrics());
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mTopBottomTextWithIconPadding = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
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TOP_BOTTOM_TEXT_WITH_ICON_PADDING,
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res.getDisplayMetrics());
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mIconTextPadding = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
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ICON_TEXT_PADDING,
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res.getDisplayMetrics());
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mIconSize = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
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ICON_SIZE,
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res.getDisplayMetrics());
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}
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private class PromptButton {
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public String label = "";
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PromptButton(JSONObject aJSONButton) {
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try {
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label = aJSONButton.getString("label");
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} catch(Exception ex) { }
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}
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}
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private class PromptInput {
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private String label = "";
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private String type = "";
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private String hint = "";
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private JSONObject mJSONInput = null;
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private View view = null;
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public PromptInput(JSONObject aJSONInput) {
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mJSONInput = aJSONInput;
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try {
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label = aJSONInput.getString("label");
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} catch(Exception ex) { }
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try {
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type = aJSONInput.getString("type");
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} catch(Exception ex) { }
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try {
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hint = aJSONInput.getString("hint");
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} catch(Exception ex) { }
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}
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public View getView() {
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if (type.equals("checkbox")) {
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CheckBox checkbox = new CheckBox(GeckoApp.mAppContext);
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checkbox.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));
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checkbox.setText(label);
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try {
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Boolean value = mJSONInput.getBoolean("checked");
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checkbox.setChecked(value);
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} catch(Exception ex) { }
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view = (View)checkbox;
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} else if (type.equals("textbox") || this.type.equals("password")) {
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EditText input = new EditText(GeckoApp.mAppContext);
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int inputtype = InputType.TYPE_CLASS_TEXT;
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if (type.equals("password")) {
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inputtype |= InputType.TYPE_TEXT_VARIATION_PASSWORD | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS;
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}
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input.setInputType(inputtype);
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try {
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String value = mJSONInput.getString("value");
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input.setText(value);
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} catch(Exception ex) { }
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if (!hint.equals("")) {
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input.setHint(hint);
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}
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view = (View)input;
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} else if (type.equals("menulist")) {
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Spinner spinner = new Spinner(GeckoApp.mAppContext);
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try {
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String[] listitems = getStringArray(mJSONInput, "values");
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if (listitems.length > 0) {
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ArrayAdapter<String> adapter = new ArrayAdapter<String>(GeckoApp.mAppContext, android.R.layout.simple_dropdown_item_1line, listitems);
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spinner.setAdapter(adapter);
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}
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} catch(Exception ex) { }
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view = (View)spinner;
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}
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return view;
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}
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public String getName() {
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return type;
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}
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public String getValue() {
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if (this.type.equals("checkbox")) {
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CheckBox checkbox = (CheckBox)view;
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return checkbox.isChecked() ? "true" : "false";
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} else if (type.equals("textbox") || type.equals("password")) {
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EditText edit = (EditText)view;
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return edit.getText().toString();
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} else if (type.equals("menulist")) {
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Spinner spinner = (Spinner)view;
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return Integer.toString(spinner.getSelectedItemPosition());
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}
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return "";
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}
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}
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public void Show(String aTitle, String aText, PromptButton[] aButtons, PromptListItem[] aMenuList, boolean aMultipleSelection) {
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AlertDialog.Builder builder = new AlertDialog.Builder(GeckoApp.mAppContext);
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if (!aTitle.equals("")) {
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builder.setTitle(aTitle);
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}
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if (!aText.equals("")) {
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builder.setMessage(aText);
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}
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int length = mInputs == null ? 0 : mInputs.length;
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if (aMenuList != null && aMenuList.length > 0) {
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int resourceId = android.R.layout.select_dialog_item;
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if (mSelected != null && mSelected.length > 0) {
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if (aMultipleSelection) {
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resourceId = android.R.layout.select_dialog_multichoice;
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} else {
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resourceId = android.R.layout.select_dialog_singlechoice;
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}
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}
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PromptListAdapter adapter = new PromptListAdapter(GeckoApp.mAppContext, resourceId, aMenuList);
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if (mSelected != null && mSelected.length > 0) {
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if (aMultipleSelection) {
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adapter.listView = (ListView) mInflater.inflate(R.layout.select_dialog_list, null);
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adapter.listView.setOnItemClickListener(this);
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builder.setInverseBackgroundForced(true);
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adapter.listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
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adapter.listView.setAdapter(adapter);
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builder.setView(adapter.listView);
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} else {
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int selectedIndex = -1;
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for (int i = 0; i < mSelected.length; i++) {
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if (mSelected[i]) {
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selectedIndex = i;
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break;
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}
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}
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mSelected = null;
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builder.setSingleChoiceItems(adapter, selectedIndex, this);
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}
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} else {
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builder.setAdapter(adapter, this);
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mSelected = null;
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}
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} else if (length == 1) {
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builder.setView(mInputs[0].getView());
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} else if (length > 1) {
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LinearLayout linearLayout = new LinearLayout(GeckoApp.mAppContext);
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linearLayout.setOrientation(LinearLayout.VERTICAL);
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for (int i = 0; i < length; i++) {
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View content = mInputs[i].getView();
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linearLayout.addView(content);
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}
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builder.setView((View)linearLayout);
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}
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length = aButtons == null ? 0 : aButtons.length;
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if (length > 0) {
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builder.setPositiveButton(aButtons[0].label, this);
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}
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if (length > 1) {
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builder.setNeutralButton(aButtons[1].label, this);
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}
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if (length > 2) {
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builder.setNegativeButton(aButtons[2].label, this);
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}
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mDialog = builder.create();
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mDialog.setOnCancelListener(this);
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mDialog.show();
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}
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public void onClick(DialogInterface aDialog, int aWhich) {
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JSONObject ret = new JSONObject();
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try {
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int button = -1;
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ListView list = mDialog.getListView();
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if (list != null || mSelected != null) {
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button = aWhich;
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if (mSelected != null) {
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JSONArray selected = new JSONArray();
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for (int i = 0; i < mSelected.length; i++) {
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selected.put(mSelected[i]);
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}
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ret.put("button", selected);
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} else {
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ret.put("button", button);
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}
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} else {
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switch(aWhich) {
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case DialogInterface.BUTTON_POSITIVE : button = 0; break;
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case DialogInterface.BUTTON_NEUTRAL : button = 1; break;
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case DialogInterface.BUTTON_NEGATIVE : button = 2; break;
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}
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ret.put("button", button);
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}
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if (mInputs != null) {
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for (int i = 0; i < mInputs.length; i++) {
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ret.put(mInputs[i].getName(), mInputs[i].getValue());
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}
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}
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} catch(Exception ex) {
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Log.i(LOGTAG, "Error building return: " + ex);
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}
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if (mDialog != null) {
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mDialog.dismiss();
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}
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finishDialog(ret.toString());
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}
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private boolean[] mSelected = null;
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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mSelected[position] = !mSelected[position];
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}
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public void onCancel(DialogInterface aDialog) {
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JSONObject ret = new JSONObject();
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try {
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ret.put("button", -1);
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} catch(Exception ex) { }
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finishDialog(ret.toString());
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}
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static SynchronousQueue<String> mPromptQueue = new SynchronousQueue<String>();
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static public String waitForReturn() throws InterruptedException {
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String value;
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while (null == (value = mPromptQueue.poll(1, TimeUnit.MILLISECONDS))) {
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GeckoAppShell.processNextNativeEvent();
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}
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return value;
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}
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public void finishDialog(String aReturn) {
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mInputs = null;
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mDialog = null;
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mSelected = null;
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try {
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mPromptQueue.put(aReturn);
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} catch(Exception ex) { }
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}
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public void processMessage(JSONObject geckoObject) {
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String title = "";
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try {
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title = geckoObject.getString("title");
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} catch(Exception ex) { }
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String text = "";
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try {
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text = geckoObject.getString("text");
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} catch(Exception ex) { }
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JSONArray buttons = new JSONArray();
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try {
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buttons = geckoObject.getJSONArray("buttons");
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} catch(Exception ex) { }
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int length = buttons.length();
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PromptButton[] promptbuttons = new PromptButton[length];
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for (int i = 0; i < length; i++) {
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try {
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promptbuttons[i] = new PromptButton(buttons.getJSONObject(i));
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} catch(Exception ex) { }
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}
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JSONArray inputs = new JSONArray();
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try {
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inputs = geckoObject.getJSONArray("inputs");
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} catch(Exception ex) { }
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length = inputs.length();
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mInputs = new PromptInput[length];
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for (int i = 0; i < length; i++) {
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try {
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mInputs[i] = new PromptInput(inputs.getJSONObject(i));
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} catch(Exception ex) { }
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}
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PromptListItem[] menuitems = getListItemArray(geckoObject, "listitems");
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mSelected = getBooleanArray(geckoObject, "selected");
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boolean multiple = false;
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try {
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multiple = geckoObject.getBoolean("multiple");
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} catch(Exception ex) { }
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this.Show(title, text, promptbuttons, menuitems, multiple);
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}
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private String[] getStringArray(JSONObject aObject, String aName) {
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JSONArray items = new JSONArray();
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try {
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items = aObject.getJSONArray(aName);
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} catch(Exception ex) { }
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int length = items.length();
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String[] list = new String[length];
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for (int i = 0; i < length; i++) {
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try {
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list[i] = items.getString(i);
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} catch(Exception ex) { }
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}
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return list;
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}
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private boolean[] getBooleanArray(JSONObject aObject, String aName) {
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JSONArray items = new JSONArray();
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try {
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items = aObject.getJSONArray(aName);
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} catch(Exception ex) { return null; }
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int length = items.length();
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boolean[] list = new boolean[length];
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for (int i = 0; i < length; i++) {
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try {
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list[i] = items.getBoolean(i);
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} catch(Exception ex) { }
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}
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return list;
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}
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private PromptListItem[] getListItemArray(JSONObject aObject, String aName) {
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JSONArray items = new JSONArray();
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try {
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items = aObject.getJSONArray(aName);
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} catch(Exception ex) { }
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int length = items.length();
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PromptListItem[] list = new PromptListItem[length];
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for (int i = 0; i < length; i++) {
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try {
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list[i] = new PromptListItem(items.getJSONObject(i));
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} catch(Exception ex) { }
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}
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return list;
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}
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static public class PromptListItem {
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public String label = "";
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public boolean isGroup = false;
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public boolean inGroup = false;
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public boolean disabled = false;
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public int id = 0;
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// This member can't be accessible from JS, see bug 733749.
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public Drawable icon = null;
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PromptListItem(JSONObject aObject) {
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try { label = aObject.getString("label"); } catch(Exception ex) { }
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try { isGroup = aObject.getBoolean("isGroup"); } catch(Exception ex) { }
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try { inGroup = aObject.getBoolean("inGroup"); } catch(Exception ex) { }
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try { disabled = aObject.getBoolean("disabled"); } catch(Exception ex) { }
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try { id = aObject.getInt("id"); } catch(Exception ex) { }
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}
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public PromptListItem(String aLabel) {
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label = aLabel;
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}
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}
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public class PromptListAdapter extends ArrayAdapter<PromptListItem> {
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public ListView listView = null;
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private PromptListItem[] mList;
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private int mResourceId = -1;
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PromptListAdapter(Context context, int textViewResourceId, PromptListItem[] objects) {
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super(context, textViewResourceId, objects);
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mList = objects;
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mResourceId = textViewResourceId;
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}
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public int getCount() {
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return mList.length;
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}
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public PromptListItem getItem(int position) {
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return mList[position];
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}
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public long getItemId(int position) {
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return mList[position].id;
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}
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public View getView(int position, View convertView, ViewGroup parent) {
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PromptListItem item = getItem(position);
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int resourceId = mResourceId;
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if (item.isGroup) {
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resourceId = R.layout.list_item_header;
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}
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View row = mInflater.inflate(resourceId, null);
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if (!item.isGroup){
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try {
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CheckedTextView ct = (CheckedTextView)row.findViewById(android.R.id.text1);
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if (ct != null){
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ct.setEnabled(!item.disabled);
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ct.setClickable(item.disabled);
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// Apparently just using ct.setChecked(true) doesn't work, so this
|
|
// is stolen from the android source code as a way to set the checked
|
|
// state of these items
|
|
if (mSelected[position] && listView != null) {
|
|
listView.setItemChecked(position, true);
|
|
}
|
|
|
|
if (item.inGroup) {
|
|
ct.setPadding(mGroupPaddingSize, 0, 0, 0);
|
|
}
|
|
|
|
}
|
|
} catch (Exception ex) { }
|
|
}
|
|
|
|
TextView t1 = (TextView) row.findViewById(android.R.id.text1);
|
|
if (t1 != null) {
|
|
t1.setText(item.label);
|
|
if (item.icon != null) {
|
|
Resources res = GeckoApp.mAppContext.getResources();
|
|
|
|
// Set padding inside the item.
|
|
t1.setPadding(item. inGroup ? mLeftRightTextWithIconPadding + mGroupPaddingSize : mLeftRightTextWithIconPadding,
|
|
mTopBottomTextWithIconPadding,
|
|
mLeftRightTextWithIconPadding, mTopBottomTextWithIconPadding);
|
|
|
|
// Set the padding between the icon and the text.
|
|
t1.setCompoundDrawablePadding(mIconTextPadding);
|
|
|
|
// We want the icon to be of a specific size. Some do not
|
|
// follow this rule so we have to resize them.
|
|
Bitmap bitmap = ((BitmapDrawable) item.icon).getBitmap();
|
|
Drawable d = new BitmapDrawable(Bitmap.createScaledBitmap(bitmap, mIconSize, mIconSize, true));
|
|
|
|
t1.setCompoundDrawablesWithIntrinsicBounds(d, null, null, null);
|
|
}
|
|
}
|
|
|
|
return row;
|
|
}
|
|
}
|
|
}
|