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[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / fragments / WebViewTabFragment.java

diff --git a/app/src/main/java/com/stoutner/privacybrowser/fragments/WebViewTabFragment.java b/app/src/main/java/com/stoutner/privacybrowser/fragments/WebViewTabFragment.java
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+++ b/app/src/main/java/com/stoutner/privacybrowser/fragments/WebViewTabFragment.java
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+/*
+ * Copyright © 2019 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.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+
+import com.stoutner.privacybrowser.R;
+import com.stoutner.privacybrowser.views.NestedScrollWebView;
+
+public class WebViewTabFragment extends Fragment {
+    // The public interface is used to send information back to the parent activity.
+    public interface NewTabListener {
+        void initializeWebView(NestedScrollWebView nestedScrollWebView, int tabNumber);
+    }
+
+    // The new tab listener is used in `onAttach()` and `onCreateView()`.
+    private NewTabListener newTabListener;
+
+    @Override
+    public void onAttach(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 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 instance of the WebView tab fragment.
+        WebViewTabFragment webViewTabFragment = new WebViewTabFragment();
+
+        // Add the bundle to the fragment.
+        webViewTabFragment.setArguments(bundle);
+
+        // Return the new fragment.
+        return webViewTabFragment;
+    }
+
+    @Override
+    public View onCreateView(@NonNull LayoutInflater layoutInflater, ViewGroup container, Bundle savedInstanceState) {
+        // Get the arguments.
+        Bundle arguments = getArguments();
+
+        // Remove the incorrect lint warning that the arguments might be null.
+        assert arguments != null;
+
+        // Get the variables from the arguments
+        int tabNumber = arguments.getInt("tab_number");
+
+        // 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 tabView = layoutInflater.inflate(R.layout.nestedscroll_webview, container, false);
+
+        // Get a handle for the nested scroll WebView.
+        NestedScrollWebView nestedScrollWebView = tabView.findViewById(R.id.nestedscroll_webview);
+
+        // Request the main activity initialize the WebView.
+        newTabListener.initializeWebView(nestedScrollWebView, tabNumber);
+
+        // Return the tab view.
+        return tabView;
+    }
+}
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