+++ /dev/null
-/*
- * Copyright © 2019-2020,2022 Soren Stoutner <soren@stoutner.com>.
- *
- * This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android>.
- *
- * Privacy Browser Android 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 Android 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 Android. If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.stoutner.privacybrowser.fragments;
-
-import android.content.Context;
-import android.os.Bundle;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ProgressBar;
-
-import androidx.annotation.NonNull;
-import androidx.fragment.app.Fragment;
-
-import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.views.NestedScrollWebView;
-
-import java.util.Calendar;
-
-public class WebViewTabFragment extends Fragment {
- // Set a unique ID for this tab based on the time it was created.
- public long fragmentId = Calendar.getInstance().getTimeInMillis();
-
- // The public interface is used to send information back to the parent activity.
- public interface NewTabListener {
- void initializeWebView(NestedScrollWebView nestedScrollWebView, int pageNumber, ProgressBar progressBar, String url, Boolean restoringState);
- }
-
- // The new tab listener is used in `onAttach()` and `onCreateView()`.
- private NewTabListener newTabListener;
-
- // Define the bundle constants.
- private final static String CREATE_NEW_PAGE = "create_new_page";
- private final static String PAGE_NUMBER = "page_number";
- private final static String URL = "url";
- private final static String SAVED_STATE = "saved_state";
- private final static String SAVED_NESTED_SCROLL_WEBVIEW_STATE = "saved_nested_scroll_webview_state";
-
- // Define the class views.
- NestedScrollWebView nestedScrollWebView;
-
- @Override
- public void onAttach(@NonNull Context context) {
- // Run the default commands.
- super.onAttach(context);
-
- // Get a handle for the new tab listener from the launching context.
- newTabListener = (NewTabListener) context;
- }
-
- public static WebViewTabFragment createPage(int pageNumber, String url) {
- // Create an arguments bundle.
- Bundle argumentsBundle = new Bundle();
-
- // Store the argument in the bundle.
- argumentsBundle.putBoolean(CREATE_NEW_PAGE, true);
- argumentsBundle.putInt(PAGE_NUMBER, pageNumber);
- argumentsBundle.putString(URL, url);
-
- // Create a new instance of the WebView tab fragment.
- WebViewTabFragment webViewTabFragment = new WebViewTabFragment();
-
- // Add the arguments bundle to the fragment.
- webViewTabFragment.setArguments(argumentsBundle);
-
- // Return the new fragment.
- return webViewTabFragment;
- }
-
- public static WebViewTabFragment restorePage(Bundle savedState, Bundle savedNestedScrollWebViewState) {
- // Create an arguments bundle
- Bundle argumentsBundle = new Bundle();
-
- // Store the saved states in the arguments bundle.
- argumentsBundle.putBundle(SAVED_STATE, savedState);
- argumentsBundle.putBundle(SAVED_NESTED_SCROLL_WEBVIEW_STATE, savedNestedScrollWebViewState);
-
- // Create a new instance of the WebView tab fragment.
- WebViewTabFragment webViewTabFragment = new WebViewTabFragment();
-
- // Add the arguments bundle to the fragment.
- webViewTabFragment.setArguments(argumentsBundle);
-
- // Return the new fragment.
- return webViewTabFragment;
- }
-
- @Override
- public View onCreateView(@NonNull LayoutInflater layoutInflater, ViewGroup container, Bundle savedInstanceState) {
- // Check to see if the fragment is being restarted.
- if (savedInstanceState == null) { // The fragment is not being restarted. Load and configure a new fragment.
- // Get the arguments.
- Bundle arguments = getArguments();
-
- // Remove the incorrect lint warning that the arguments might be null.
- assert arguments != null;
-
- // Check to see if a new page is being created.
- if (arguments.getBoolean(CREATE_NEW_PAGE)) { // A new page is being created.
- // Get the variables from the arguments
- int pageNumber = arguments.getInt(PAGE_NUMBER);
- String url = arguments.getString(URL);
-
- // Inflate the tab's WebView. Setting false at the end of inflater.inflate does not attach the inflated layout as a child of container.
- // The fragment will take care of attaching the root automatically.
- View newPageView = layoutInflater.inflate(R.layout.webview_framelayout, container, false);
-
- // Get handles for the views.
- nestedScrollWebView = newPageView.findViewById(R.id.nestedscroll_webview);
- ProgressBar progressBar = newPageView.findViewById(R.id.progress_bar);
-
- // Store the WebView fragment ID in the nested scroll WebView.
- nestedScrollWebView.setWebViewFragmentId(fragmentId);
-
- // Request the main activity initialize the WebView.
- newTabListener.initializeWebView(nestedScrollWebView, pageNumber, progressBar, url, false);
-
- // Return the new page view.
- return newPageView;
- } else { // A page is being restored.
- // Get the saved states from the arguments.
- Bundle savedState = arguments.getBundle(SAVED_STATE);
- Bundle savedNestedScrollWebViewState = arguments.getBundle(SAVED_NESTED_SCROLL_WEBVIEW_STATE);
-
- // Remove the incorrect lint warning below that the saved nested scroll WebView state might be null.
- assert savedNestedScrollWebViewState != null;
-
- // Inflate the tab's WebView. Setting false at the end of inflater.inflate does not attach the inflated layout as a child of container.
- // The fragment will take care of attaching the root automatically.
- View newPageView = layoutInflater.inflate(R.layout.webview_framelayout, container, false);
-
- // Get handles for the views.
- nestedScrollWebView = newPageView.findViewById(R.id.nestedscroll_webview);
- ProgressBar progressBar = newPageView.findViewById(R.id.progress_bar);
-
- // Store the WebView fragment ID in the nested scroll WebView.
- nestedScrollWebView.setWebViewFragmentId(fragmentId);
-
- // Restore the nested scroll WebView state.
- nestedScrollWebView.restoreNestedScrollWebViewState(savedNestedScrollWebViewState);
-
- // Restore the WebView state.
- nestedScrollWebView.restoreState(savedState);
-
- // Initialize the WebView.
- newTabListener.initializeWebView(nestedScrollWebView, 0, progressBar, null, true);
-
- // Return the new page view.
- return newPageView;
- }
- } else { // The fragment is being restarted.
- // Return null. Otherwise, the fragment will be inflated and initialized by the OS on a restart, discarded, and then recreated with saved settings by Privacy Browser.
- return null;
- }
- }
-}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff