--- /dev/null
+/*
+ * Copyright © 2016-2020 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Privacy Browser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacybrowser.fragments;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.Configuration;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.webkit.WebResourceResponse;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.webkit.WebSettingsCompat;
+import androidx.webkit.WebViewAssetLoader;
+import androidx.webkit.WebViewFeature;
+
+import com.stoutner.privacybrowser.R;
+
+public class GuideWebViewFragment extends Fragment {
+ // Declare the class constants.
+ private final static String TAB_NUMBER = "tab_number";
+
+ // Declare the class variables.
+ private int tabNumber;
+
+ // Declare the class views.
+ private View webViewLayout;
+
+ // Store the tab number in the arguments bundle.
+ public static GuideWebViewFragment createTab (int tabNumber) {
+ // Create a bundle.
+ Bundle bundle = new Bundle();
+
+ // Store the tab number in the bundle.
+ bundle.putInt(TAB_NUMBER, tabNumber);
+
+ // Create a new guide tab fragment.
+ GuideWebViewFragment guideWebViewFragment = new GuideWebViewFragment();
+
+ // Add the bundle to the fragment.
+ guideWebViewFragment.setArguments(bundle);
+
+ // Return the new fragment.
+ return guideWebViewFragment;
+ }
+
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ // Run the default commands.
+ super.onCreate(savedInstanceState);
+
+ // Get a handle for the arguments.
+ Bundle arguments = getArguments();
+
+ // Remove the lint warning below that arguments might be null.
+ assert arguments != null;
+
+ // Store the tab number in a class variable.
+ tabNumber = arguments.getInt(TAB_NUMBER);
+ }
+
+ @Override
+ public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+ // Inflate the layout. The fragment will take care of attaching the root automatically.
+ webViewLayout = inflater.inflate(R.layout.bare_webview, container, false);
+
+ // Get a handle for the tab WebView.
+ WebView tabWebView = (WebView) webViewLayout;
+
+ // Get a handle for the context.
+ Context context = getContext();
+
+ // Remove the incorrect lint warning below that the context might be null.
+ assert context != null;
+
+ // Create a WebView asset loader.
+ final WebViewAssetLoader webViewAssetLoader = new WebViewAssetLoader.Builder().addPathHandler("/assets/", new WebViewAssetLoader.AssetsPathHandler(context)).build();
+
+ // Set a WebView client.
+ tabWebView.setWebViewClient(new WebViewClient() {
+ // `shouldOverrideUrlLoading` allows sending of external links back to the main Privacy Browser WebView. The deprecated `shouldOverrideUrlLoading` must be used until API >= 24.
+ @Override
+ public boolean shouldOverrideUrlLoading(WebView view, String url) {
+ // Create an intent to view the URL.
+ Intent urlIntent = new Intent(Intent.ACTION_VIEW);
+
+ // Add the URL to the intent.
+ urlIntent.setData(Uri.parse(url));
+
+ // Make it so.
+ startActivity(urlIntent);
+ return true;
+ }
+
+ @Override
+ public WebResourceResponse shouldInterceptRequest(WebView webView, String url) {
+ // Have the WebView asset loader process the request. This allows loading of SVG files, which otherwise is prevented by the CORS policy.
+ return webViewAssetLoader.shouldInterceptRequest(Uri.parse(url));
+ }
+ });
+
+ // Get the current theme status.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+
+ // Check to see if the app is in night mode.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES && WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK)) { // The app is in night mode.
+ // Apply the dark WebView theme.
+ WebSettingsCompat.setForceDark(tabWebView.getSettings(), WebSettingsCompat.FORCE_DARK_ON);
+ }
+
+ // Load the indicated tab. The tab numbers start at 0.
+ switch (tabNumber) {
+ case 0:
+ // Load the Overview tab.
+ tabWebView.loadUrl("https://appassets.androidplatform.net/assets/" + getString(R.string.android_asset_path) + "/guide_overview.html");
+ break;
+
+ case 1:
+ // Load the JavaScript tab.
+ tabWebView.loadUrl("https://appassets.androidplatform.net/assets/" + getString(R.string.android_asset_path) + "/guide_javascript.html");
+ break;
+
+ case 2:
+ // Load the Local Storage tab.
+ tabWebView.loadUrl("https://appassets.androidplatform.net/assets/" + getString(R.string.android_asset_path) + "/guide_local_storage.html");
+ break;
+
+ case 3:
+ // Load the User Agent tab.
+ tabWebView.loadUrl("https://appassets.androidplatform.net/assets/" + getString(R.string.android_asset_path) + "/guide_user_agent.html");
+ break;
+
+ case 4:
+ // Load the Requests tab.
+ tabWebView.loadUrl("https://appassets.androidplatform.net/assets/" + getString(R.string.android_asset_path) + "/guide_requests.html");
+ break;
+
+ case 5:
+ // Load the Domain Settings tab.
+ tabWebView.loadUrl("https://appassets.androidplatform.net/assets/" + getString(R.string.android_asset_path) + "/guide_domain_settings.html");
+ break;
+
+ case 6:
+ // Load the SSL Certificates tab.
+ tabWebView.loadUrl("https://appassets.androidplatform.net/assets/" + getString(R.string.android_asset_path) + "/guide_ssl_certificates.html");
+ break;
+
+ case 7:
+ // Load the Proxies tab.
+ tabWebView.loadUrl("https://appassets.androidplatform.net/assets/" + getString(R.string.android_asset_path) + "/guide_proxies.html");
+ break;
+
+ case 8:
+ // Load the Tracking IDs tab.
+ tabWebView.loadUrl("https://appassets.androidplatform.net/assets/" + getString(R.string.android_asset_path) + "/guide_tracking_ids.html");
+ break;
+ }
+
+ // Scroll the WebView if the saved instance state is not null.
+ if (savedInstanceState != null) {
+ tabWebView.post(() -> tabWebView.setScrollY(savedInstanceState.getInt("scroll_y")));
+ }
+
+ // Return the formatted WebView layout.
+ return webViewLayout;
+ }
+
+ @Override
+ public void onSaveInstanceState(@NonNull Bundle savedInstanceState) {
+ // Run the default commands.
+ super.onSaveInstanceState(savedInstanceState);
+
+ // Get a handle for the tab WebView. A class variable cannot be used because it gets out of sync when restarting.
+ WebView tabWebView = (WebView) webViewLayout;
+
+ // Save the scroll Y position if the tab WebView is not null, which can happen if a tab is not currently selected.
+ if (tabWebView != null) {
+ savedInstanceState.putInt("scroll_y", tabWebView.getScrollY());
+ }
+ }
+}
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projects / PrivacyBrowserAndroid.git / blobdiff