Populate and save the domain `Switches` and `Spinners`.
[PrivacyBrowser.git] / app / src / main / java / com / stoutner / privacybrowser / fragments / DomainSettingsFragment.java
1 /*
2  * Copyright 2017 Soren Stoutner <soren@stoutner.com>.
3  *
4  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
5  *
6  * Privacy Browser is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * Privacy Browser is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with Privacy Browser.  If not, see <http://www.gnu.org/licenses/>.
18  */
19
20 package com.stoutner.privacybrowser.fragments;
21
22 import android.annotation.SuppressLint;
23 import android.content.Context;
24 import android.database.Cursor;
25 import android.os.Bundle;
26 // We have to use `android.support.v4.app.Fragment` until minimum API >= 23.  Otherwise we cannot call `getContext()`.
27 import android.support.v4.app.Fragment;
28 import android.view.LayoutInflater;
29 import android.view.View;
30 import android.view.ViewGroup;
31 import android.webkit.WebView;
32 import android.widget.AdapterView;
33 import android.widget.ArrayAdapter;
34 import android.widget.EditText;
35 import android.widget.Spinner;
36 import android.widget.Switch;
37 import android.widget.TextView;
38
39 import com.stoutner.privacybrowser.R;
40 import com.stoutner.privacybrowser.helpers.DomainsDatabaseHelper;
41
42 public class DomainSettingsFragment extends Fragment {
43     // `DATABASE_ID` is used by activities calling this fragment.
44     public static final String DATABASE_ID = "database_id";
45
46     // `databaseId` is used in `onCreate()` and `onCreateView()`.
47     private int databaseId;
48
49     @Override
50     public void onCreate(Bundle savedInstanceState) {
51         super.onCreate(savedInstanceState);
52
53         // Store the database id in `databaseId`.
54         databaseId = getArguments().getInt(DATABASE_ID);
55     }
56
57     @Override
58     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
59         // Inflate `domain_settings`.  `false` does not attach it to the root `container`.
60         View domainSettingsView = inflater.inflate(R.layout.domain_settings, container, false);
61
62         // Get a handle for the `Context`.
63         Context context = getContext();
64
65         // Get handles for the views in the fragment.
66         EditText domainNameEditText = (EditText) domainSettingsView.findViewById(R.id.domain_settings_name_edittext);
67         Switch javaScriptEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_javascript_switch);
68         Switch firstPartyCookiesEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_first_party_cookies_switch);
69         Switch thirdPartyCookiesEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_third_party_cookies_switch);
70         Switch domStorageEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_dom_storage_switch);
71         Switch formDataEnabledSwitch = (Switch) domainSettingsView.findViewById(R.id.domain_settings_form_data_switch);
72         Spinner userAgentSpinner = (Spinner) domainSettingsView.findViewById(R.id.domain_settings_user_agent_spinner);
73         final TextView userAgentTextView = (TextView) domainSettingsView.findViewById(R.id.domain_settings_user_agent_textview);
74         final EditText customUserAgentEditText = (EditText) domainSettingsView.findViewById(R.id.domain_settings_custom_user_agent_edittext);
75         Spinner fontSizeSpinner = (Spinner) domainSettingsView.findViewById(R.id.domain_settings_font_size_spinner);
76
77         // Initialize the database handler.  `this` specifies the context.  The two `nulls` do not specify the database name or a `CursorFactory`.
78         // The `0` specifies the database version, but that is ignored and set instead using a constant in `DomainsDatabaseHelper`.
79         DomainsDatabaseHelper domainsDatabaseHelper = new DomainsDatabaseHelper(getContext(), null, null, 0);
80
81         // Get the database `Cursor` for this ID and move it to the first row.
82         Cursor domainCursor = domainsDatabaseHelper.getCursorForId(databaseId);
83         domainCursor.moveToFirst();
84
85         // Save the `Cursor` entries as variables.
86         String domainNameString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.DOMAIN_NAME));
87         int javaScriptEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_JAVASCRIPT));
88         int firstPartyCookiesEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FIRST_PARTY_COOKIES));
89         int thirdPartyCookiesEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_THIRD_PARTY_COOKIES));
90         int domStorageEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_DOM_STORAGE));
91         int formDataEnabledInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.ENABLE_FORM_DATA));
92         final String currentUserAgentString = domainCursor.getString(domainCursor.getColumnIndex(DomainsDatabaseHelper.USER_AGENT));
93         int fontSizeInt = domainCursor.getInt(domainCursor.getColumnIndex(DomainsDatabaseHelper.FONT_SIZE));
94
95         // Create `ArrayAdapters` for the `Spinners`and their `entry values`.
96         ArrayAdapter<CharSequence> userAgentArrayAdapter = ArrayAdapter.createFromResource(context, R.array.user_agent_entries, android.R.layout.simple_spinner_item);
97         final ArrayAdapter<CharSequence> userAgentEntryValuesArrayAdapter = ArrayAdapter.createFromResource(context, R.array.user_agent_entry_values, android.R.layout.simple_spinner_item);
98         ArrayAdapter<CharSequence> fontSizeArrayAdapter = ArrayAdapter.createFromResource(context, R.array.default_font_size_entries, android.R.layout.simple_spinner_item);
99         ArrayAdapter<CharSequence> fontSizeEntryValuesArrayAdapter = ArrayAdapter.createFromResource(context, R.array.default_font_size_entry_values, android.R.layout.simple_spinner_item);
100
101         // Set the drop down style for the `ArrayAdapters`.
102         userAgentArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
103         fontSizeArrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
104
105         // Set the `ArrayAdapters` for the `Spinners`.
106         userAgentSpinner.setAdapter(userAgentArrayAdapter);
107         fontSizeSpinner.setAdapter(fontSizeArrayAdapter);
108
109         // Set the domain name from the the database cursor.
110         domainNameEditText.setText(domainNameString);
111
112         // Set the status of the `Switches` from the database cursor.
113         javaScriptEnabledSwitch.setChecked(javaScriptEnabledInt == 1);
114         firstPartyCookiesEnabledSwitch.setChecked(firstPartyCookiesEnabledInt == 1);
115         thirdPartyCookiesEnabledSwitch.setChecked(thirdPartyCookiesEnabledInt == 1);
116         domStorageEnabledSwitch.setChecked(domStorageEnabledInt == 1);
117         formDataEnabledSwitch.setChecked(formDataEnabledInt == 1);
118
119         // We need to inflated a `WebView` to get the default user agent.
120         // `@SuppressLint("InflateParams")` removes the warning about using `null` as the `ViewGroup`, which in this case makes sense because we don't want to display `bare_webview` on the screen.  `false` does not attach the view to the root.
121         @SuppressLint("InflateParams") View bareWebViewLayout = inflater.inflate(R.layout.bare_webview, null, false);
122         WebView bareWebView = (WebView) bareWebViewLayout.findViewById(R.id.bare_webview);
123         final String webViewDefaultUserAgentString = bareWebView.getSettings().getUserAgentString();
124
125         // Get the position of the user agent in `userAgentEntryValuesArrayAdapter`.
126         int userAgentArrayPosition = userAgentEntryValuesArrayAdapter.getPosition(currentUserAgentString);
127
128         // Set the user agent.
129         if (userAgentArrayPosition == -1) {  // We are using a custom `userAgentString`.
130             // Set `userAgentSpinner` to `Custom`.
131             userAgentSpinner.setSelection(userAgentEntryValuesArrayAdapter.getPosition("Custom user agent"));
132
133             // Hide `userAgentTextView`.
134             userAgentTextView.setVisibility(View.GONE);
135
136             // Show `customUserAgentEditText` and set `userAgentString` as the text.
137             customUserAgentEditText.setVisibility(View.VISIBLE);
138             customUserAgentEditText.setText(currentUserAgentString);
139         } else if (currentUserAgentString.equals("WebView default user agent")) {  // We are using the `WebView` default user agent.
140             // Set the `userAgentSpinner` selection.
141             userAgentSpinner.setSelection(userAgentArrayPosition);
142
143             // Show `userAgentTextView` and set the text.
144             userAgentTextView.setVisibility(View.VISIBLE);
145             userAgentTextView.setText(webViewDefaultUserAgentString);
146
147             // Hide `customUserAgentEditText`.
148             customUserAgentEditText.setVisibility(View.GONE);
149         } else {  // We are using a standard user agent.
150             // Set the `userAgentSpinner` selection.
151             userAgentSpinner.setSelection(userAgentArrayPosition);
152
153             // Show `userAgentTextView` and set the text.
154             userAgentTextView.setVisibility(View.VISIBLE);
155             userAgentTextView.setText(currentUserAgentString);
156
157             // Hide `customUserAgentEditText`.
158             customUserAgentEditText.setVisibility(View.GONE);
159         }
160
161         // Set the selected font size.
162         int fontSizeArrayPosition = fontSizeEntryValuesArrayAdapter.getPosition(String.valueOf(fontSizeInt));
163         fontSizeSpinner.setSelection(fontSizeArrayPosition);
164
165         // Set the `userAgentSpinner` `onItemClickListener()`.
166         userAgentSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
167             @Override
168             public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
169                 // Store the new user agent string.
170                 String newUserAgentString = getResources().getStringArray(R.array.user_agent_entry_values)[position];
171
172                 // Set the new user agent.
173                 switch (newUserAgentString) {
174                     case "Custom user agent":
175                         // Hide `userAgentTextView`.
176                         userAgentTextView.setVisibility(View.GONE);
177
178                         // Show `customUserAgentEditText` and set `userAgentString` as the text.
179                         customUserAgentEditText.setVisibility(View.VISIBLE);
180                         customUserAgentEditText.setText(currentUserAgentString);
181                         break;
182
183                     case "WebView default user agent":
184                         // Show `userAgentTextView` and set the text.
185                         userAgentTextView.setVisibility(View.VISIBLE);
186                         userAgentTextView.setText(webViewDefaultUserAgentString);
187
188                         // Hide `customUserAgentEditText`.
189                         customUserAgentEditText.setVisibility(View.GONE);
190                         break;
191
192                     default:
193                         // Show `userAgentTextView` and set the text.
194                         userAgentTextView.setVisibility(View.VISIBLE);
195                         userAgentTextView.setText(getResources().getStringArray(R.array.user_agent_entry_values)[position]);
196
197                         // Hide `customUserAgentEditText`.
198                         customUserAgentEditText.setVisibility(View.GONE);
199                         break;
200                 }
201             }
202
203             @Override
204             public void onNothingSelected(AdapterView<?> parent) {
205                 // Do nothing.
206             }
207         });
208
209         return domainSettingsView;
210     }
211 }