Java tutorial
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- * ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Mozilla Android code. * * The Initial Developer of the Original Code is Mozilla Foundation. * Portions created by the Initial Developer are Copyright (C) 2011 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Gian-Carlo Pascutto <gpascutto@mozilla.com> * Sriram Ramasubramanian <sriram@mozilla.com> * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ package org.mozilla.gecko; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.widget.Button; import android.widget.LinearLayout; import android.widget.TextView; import org.json.JSONObject; import org.json.JSONException; import org.mozilla.fennec_satyanarayan.R; public class DoorHanger extends LinearLayout implements Button.OnClickListener { private Context mContext; private LinearLayout mChoicesLayout; private TextView mTextView; static private LayoutParams mLayoutParams; public Tab mTab; // value used to identify the notification private String mValue; static private LayoutInflater mInflater; private int mPersistence = 0; private long mTimeout = 0; public DoorHanger(Context aContext, String aValue) { super(aContext); mContext = aContext; mValue = aValue; setOrientation(VERTICAL); setBackgroundResource(R.drawable.doorhanger_shadow_bg); if (mInflater == null) mInflater = LayoutInflater.from(mContext); mInflater.inflate(R.layout.doorhanger, this); hide(); mTextView = (TextView) findViewById(R.id.doorhanger_title); mChoicesLayout = (LinearLayout) findViewById(R.id.doorhanger_choices); if (mLayoutParams == null) mLayoutParams = new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT, 1.0f); } public void addButton(String aText, int aCallback) { Button mButton = new Button(mContext); mButton.setText(aText); mButton.setTag(Integer.toString(aCallback)); mButton.setOnClickListener(this); mChoicesLayout.addView(mButton, mLayoutParams); } public void onClick(View v) { GeckoEvent e = GeckoEvent.createBroadcastEvent("Doorhanger:Reply", v.getTag().toString()); GeckoAppShell.sendEventToGecko(e); mTab.removeDoorHanger(mValue); // This will hide the doorhanger (and hide the popup if there are no // more doorhangers to show) GeckoApp.mDoorHangerPopup.updatePopup(); } public void show() { setVisibility(View.VISIBLE); } public void hide() { setVisibility(View.GONE); } public boolean isVisible() { return getVisibility() == View.VISIBLE; } public String getValue() { return mValue; } public void setText(String aText) { mTextView.setText(aText); } public Tab getTab() { return mTab; } public void setTab(Tab tab) { mTab = tab; } public void setOptions(JSONObject options) { try { mPersistence = options.getInt("persistence"); } catch (JSONException e) { } try { mTimeout = options.getLong("timeout"); } catch (JSONException e) { } } // This method checks with persistence and timeout options to see if // it's okay to remove a doorhanger. public boolean shouldRemove() { // If persistence is set to -1, the doorhanger will never be // automatically removed. if (mPersistence != 0) { mPersistence--; return false; } if (System.currentTimeMillis() <= mTimeout) { return false; } return true; } }