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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.tabs;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import java.util.ArrayList;
import java.util.List;
import org.mozilla.gecko.R;
import org.mozilla.gecko.Tab;
import org.mozilla.gecko.Tabs;
class TabStripAdapter extends BaseAdapter {
private static final String LOGTAG = "GeckoTabStripAdapter";
private final Context context;
private List<Tab> tabs;
public TabStripAdapter(Context context) {
this.context = context;
}
@Override
public Tab getItem(int position) {
return (tabs != null &&
position >= 0 &&
position < tabs.size() ? tabs.get(position) : null);
}
@Override
public long getItemId(int position) {
final Tab tab = getItem(position);
return (tab != null ? tab.getId() : -1);
}
@Override
public boolean hasStableIds() {
return true;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
final TabStripItemView item;
if (convertView == null) {
item = (TabStripItemView)
LayoutInflater.from(context).inflate(R.layout.tab_strip_item, parent, false);
} else {
item = (TabStripItemView) convertView;
}
final Tab tab = tabs.get(position);
item.updateFromTab(tab);
return item;
}
@Override
public int getCount() {
return (tabs != null ? tabs.size() : 0);
}
int getPositionForTab(Tab tab) {
if (tabs == null || tab == null) {
return -1;
}
return tabs.indexOf(tab);
}
void removeTab(Tab tab) {
if (tabs == null) {
return;
}
tabs.remove(tab);
notifyDataSetChanged();
}
void refresh(List<Tab> tabs) {
// The list of tabs is guaranteed to be non-null.
// See TabStripView.refreshTabs().
this.tabs = tabs;
notifyDataSetChanged();
}
void clear() {
tabs = null;
notifyDataSetInvalidated();
}
}
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