gecko/embedding/android/Tab.java

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/* -*- 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) 2009-2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* 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 java.util.*;
import android.content.*;
import android.database.sqlite.SQLiteDatabase;
import android.os.AsyncTask;
import android.graphics.drawable.*;
import android.util.Log;
import android.provider.Browser;
public class Tab {
private static final String LOG_FILE_NAME = "Tab";
private int id;
private String url, title;
private Drawable favicon, thumbnail;
private Stack<HistoryEntry> history;
private boolean loading;
static class HistoryEntry {
public final String mUri;
public final String mTitle;
public HistoryEntry(String uri, String title) {
mUri = uri;
mTitle = title;
}
}
public Tab() {
this.id = -1;
this.url = new String();
this.title = new String();
this.favicon = null;
this.thumbnail = null;
this.history = new Stack<HistoryEntry>();
}
public Tab(int id, String url) {
this.id = id;
this.url = new String(url);
this.title = new String();
this.favicon = null;
this.thumbnail = null;
this.history = new Stack<HistoryEntry>();
}
public int getId() {
return id;
}
public String getURL() {
return url;
}
public String getTitle() {
return title;
}
public boolean isLoading() {
return loading;
}
public Stack<HistoryEntry> getHistory() {
return history;
}
public void updateURL(String url) {
if(url != null && url.length() > 0) {
this.url = new String(url);
Log.i(LOG_FILE_NAME, "Updated url: " + url + " for tab with id: " + this.id);
}
}
public void updateTitle(String title) {
if(title != null && title.length() > 0) {
this.title = new String(title);
Log.i(LOG_FILE_NAME, "Updated title: " + title + " for tab with id: " + this.id);
}
}
public void setLoading(boolean loading) {
this.loading = loading;
}
public void addHistory(HistoryEntry entry) {
if (history.empty() || !history.peek().mUri.equals(entry.mUri)) {
history.push(entry);
new HistoryEntryTask().execute(entry);
}
}
public HistoryEntry getLastHistoryEntry() {
if (history.empty())
return null;
return history.peek();
}
public void updateFavicon(Drawable favicon) {
if (favicon != null) {
this.favicon = favicon;
Log.i(LOG_FILE_NAME, "Updated favicon for tab with id: " + this.id);
}
}
public boolean doReload() {
if (history.empty())
return false;
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GeckoEvent e = new GeckoEvent("session-reload", "");
GeckoAppShell.sendEventToGecko(e);
return true;
}
public boolean doBack() {
if (history.size() <= 1) {
return false;
}
history.pop();
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GeckoEvent e = new GeckoEvent("session-back", "");
GeckoAppShell.sendEventToGecko(e);
return true;
}
private class HistoryEntryTask extends AsyncTask<HistoryEntry, Void, Void> {
protected Void doInBackground(HistoryEntry... entries) {
HistoryEntry entry = entries[0];
Browser.updateVisitedHistory(GeckoApp.mAppContext.getContentResolver(), entry.mUri, true);
return null;
}
}
}