ScanResultFragment.java revision 65fda1eaa94968bb55d5ded10dcb0b3f37fb05f2 
1/*
2 * Copyright (C) 2015 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.tuner.setup;
18
19import android.content.Context;
20import android.content.res.Resources;
21import android.os.Bundle;
22import android.support.annotation.NonNull;
23import android.support.v17.leanback.widget.GuidanceStylist.Guidance;
24import android.support.v17.leanback.widget.GuidedAction;
25
26import com.android.tv.common.ui.setup.SetupGuidedStepFragment;
27import com.android.tv.common.ui.setup.SetupMultiPaneFragment;
28import com.android.tv.tuner.R;
29import com.android.tv.tuner.TunerPreferences;
30import com.android.tv.tuner.util.TunerInputInfoUtils;
31
32import java.util.List;
33
34/**
35 * A fragment for initial screen.
36 */
37public class ScanResultFragment extends SetupMultiPaneFragment {
38    public static final String ACTION_CATEGORY =
39            "com.android.tv.tuner.setup.ScanResultFragment";
40
41    /**
42     * An action which moves to previous page when the user presses BACK button.
43     * In some cases, more than one page can be popped out.
44     */
45    public static final int ACTION_BACK_TO_CONNECTION_TYPE = ACTION_DONE - 1;
46
47    @Override
48    protected SetupGuidedStepFragment onCreateContentFragment() {
49        return new ContentFragment();
50    }
51
52    @Override
53    protected String getActionCategory() {
54        return ACTION_CATEGORY;
55    }
56
57    @Override
58    protected boolean needsDoneButton() {
59        return false;
60    }
61
62    public static class ContentFragment extends SetupGuidedStepFragment {
63        private int mChannelCountOnPreference;
64
65        @Override
66        public void onAttach(Context context) {
67            super.onAttach(context);
68            mChannelCountOnPreference = TunerPreferences.getScannedChannelCount(context);
69        }
70
71        @NonNull
72        @Override
73        public Guidance onCreateGuidance(Bundle savedInstanceState) {
74            String title;
75            String description;
76            String breadcrumb;
77            if (mChannelCountOnPreference > 0) {
78                Resources res = getResources();
79                title = res.getQuantityString(R.plurals.ut_result_found_title,
80                        mChannelCountOnPreference, mChannelCountOnPreference);
81                description = res.getQuantityString(R.plurals.ut_result_found_description,
82                        mChannelCountOnPreference, mChannelCountOnPreference);
83                breadcrumb = null;
84            } else {
85                title = getString(R.string.ut_result_not_found_title);
86                if (TunerInputInfoUtils.isBuiltInTuner(getActivity())) {
87                    description = getString(R.string.bt_result_not_found_description);
88                } else {
89                    description = getString(R.string.ut_result_not_found_description);
90                }
91                breadcrumb = getString(R.string.ut_setup_breadcrumb);
92            }
93            return new Guidance(title, description, breadcrumb, null);
94        }
95
96        @Override
97        public void onCreateActions(@NonNull List<GuidedAction> actions,
98                Bundle savedInstanceState) {
99            String[] choices;
100            int doneActionIndex;
101            if (mChannelCountOnPreference > 0) {
102                choices = getResources().getStringArray(R.array.ut_result_found_choices);
103                doneActionIndex = 0;
104            } else {
105                choices = getResources().getStringArray(R.array.ut_result_not_found_choices);
106                doneActionIndex = 1;
107            }
108            for (int i = 0; i < choices.length; ++i) {
109                if (i == doneActionIndex) {
110                    actions.add(new GuidedAction.Builder(getActivity()).id(ACTION_DONE)
111                            .title(choices[i]).build());
112                } else {
113                    actions.add(new GuidedAction.Builder(getActivity()).id(i).title(choices[i])
114                            .build());
115                }
116            }
117        }
118
119        @Override
120        protected String getActionCategory() {
121            return ACTION_CATEGORY;
122        }
123    }
124}
125