1/*
2 * Copyright 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.example.android.tabcompat.lib;
18
19import android.app.ActionBar;
20import android.app.ActionBar.Tab;
21import android.graphics.drawable.Drawable;
22import android.support.v4.app.Fragment;
23import android.support.v4.app.FragmentActivity;
24import android.support.v4.app.FragmentTransaction;
25
26/**
27 * An implementation of the {@link CompatTab} interface that relies on API 11 APIs.
28 */
29public class CompatTabHoneycomb extends CompatTab implements ActionBar.TabListener {
30
31    /**
32     * The native tab object that this {@link CompatTab} acts as a proxy for.
33     */
34    ActionBar.Tab mTab;
35    CompatTabListener mCallback;
36    Fragment mFragment;
37
38    protected CompatTabHoneycomb(FragmentActivity activity, String tag) {
39        super(activity, tag);
40        mTab = activity.getActionBar().newTab();
41    }
42
43    @Override
44    public CompatTab setText(int resId) {
45        mTab.setText(resId);
46        return this;
47    }
48
49    @Override
50    public CompatTab setIcon(int resId) {
51        mTab.setIcon(resId);
52        return this;
53    }
54
55    @Override
56    public CompatTab setTabListener(CompatTabListener callback) {
57        mCallback = callback;
58        mTab.setTabListener(this);
59        return this;
60    }
61
62    @Override
63    public CharSequence getText() {
64        return mTab.getText();
65    }
66
67    @Override
68    public Drawable getIcon() {
69        return mTab.getIcon();
70    }
71
72    @Override
73    public Object getTab() {
74        return mTab;
75    }
76
77    @Override
78    public CompatTabListener getCallback() {
79        return mCallback;
80    }
81
82    @Override
83    public void onTabReselected(Tab tab, android.app.FragmentTransaction f) {
84        FragmentTransaction ft = mActivity.getSupportFragmentManager().beginTransaction();
85        ft.disallowAddToBackStack();
86        mCallback.onTabReselected(this, ft);
87        ft.commit();
88    }
89
90    @Override
91    public void onTabSelected(Tab tab, android.app.FragmentTransaction f) {
92        FragmentTransaction ft = mActivity.getSupportFragmentManager().beginTransaction();
93        ft.disallowAddToBackStack();
94        mCallback.onTabSelected(this, ft);
95        ft.commit();
96    }
97
98    @Override
99    public void onTabUnselected(Tab arg0, android.app.FragmentTransaction f) {
100        FragmentTransaction ft = mActivity.getSupportFragmentManager().beginTransaction();
101        ft.disallowAddToBackStack();
102        mCallback.onTabUnselected(this, ft);
103        ft.commit();
104    }
105
106    @Override
107    public CompatTab setFragment(Fragment fragment) {
108        mFragment = fragment;
109        return this;
110    }
111
112    @Override
113    public Fragment getFragment() {
114        return mFragment;
115    }
116}
117