1/*
2 * Copyright (C) 2014 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.android.tv.settings.dialog;
18
19import android.app.Activity;
20import android.app.FragmentManager;
21import android.os.Bundle;
22import android.view.View;
23
24import com.android.tv.settings.R;
25import com.android.tv.settings.dialog.Layout.Action;
26
27/**
28 * Activity to present settings menus and options.
29 */
30public abstract class SettingsLayoutActivity extends Activity implements
31        SettingsLayoutFragment.Listener, SettingsLayoutAdapter.OnFocusListener {
32
33    private SettingsLayoutFragment mSettingsLayoutFragment;
34
35    @Override
36    protected void onCreate(Bundle savedInstanceState) {
37        super.onCreate(savedInstanceState);
38        final Layout layout = createLayout();
39        layout.navigateToRoot();
40        final FragmentManager fm = getFragmentManager();
41        mSettingsLayoutFragment = (SettingsLayoutFragment) fm.findFragmentByTag(
42                SettingsLayoutFragment.TAG_LEAN_BACK_DIALOG_FRAGMENT);
43        if (mSettingsLayoutFragment == null) {
44            mSettingsLayoutFragment = new SettingsLayoutFragment.Builder()
45                    .title(layout.getTitle())
46                    .description(layout.getDescription())
47                    .breadcrumb(layout.getBreadcrumb())
48                    .icon(layout.getIcon())
49                    .iconBackgroundColor(getResources().getColor(R.color.icon_background))
50                    .build();
51            SettingsLayoutFragment.add(fm, mSettingsLayoutFragment);
52        }
53        mSettingsLayoutFragment.setLayout(layout);
54    }
55
56    @Override
57    public void onBackPressed() {
58        if (!mSettingsLayoutFragment.isVisible() || !mSettingsLayoutFragment.onBackPressed()) {
59            super.onBackPressed();
60        }
61    }
62
63    public abstract Layout createLayout();
64
65    @Override
66    public void onActionFocused(Layout.LayoutRow item) {
67    }
68
69    @Override
70    public void onActionClicked(Action action) {
71    }
72
73    protected void goBackToTitle (String title) {
74        mSettingsLayoutFragment.goBackToTitle (title);
75    }
76
77    protected void setIcon(int resId) {
78        mSettingsLayoutFragment.setIcon(resId);
79    }
80}
81