X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2FWebview.java;h=ff718ff961bd5a43f83b752bc35f00cec61b1c72;hb=828458a749772bd036f9e2747bd9f6bf9c468691;hp=02613821fa21e4b2e3f4601e91e68828b93135fe;hpb=f5eaa704a5cc7e2240e10d40517980c7152af958;p=PrivacyBrowserAndroid.git

diff --git a/app/src/main/java/com/stoutner/privacybrowser/Webview.java b/app/src/main/java/com/stoutner/privacybrowser/Webview.java
index 02613821..ff718ff9 100644
--- a/app/src/main/java/com/stoutner/privacybrowser/Webview.java
+++ b/app/src/main/java/com/stoutner/privacybrowser/Webview.java
@@ -1,19 +1,19 @@
 package com.stoutner.privacybrowser;
 
+import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.Bundle;
-import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.AppCompatActivity;
+import android.support.v7.app.AppCompatDelegate;
 import android.util.Patterns;
 import android.view.KeyEvent;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
-import android.view.ViewTreeObserver;
 import android.view.inputmethod.InputMethodManager;
 import android.webkit.WebChromeClient;
 import android.webkit.WebView;
@@ -31,49 +31,41 @@ public class Webview extends AppCompatActivity {
     static String formattedUrlString;
     static WebView mainWebView;
     static ProgressBar progressBar;
-    static SwipeRefreshLayout swipeToRefresh;
     static EditText urlTextBox;
     static ImageView favoriteIcon;
-    static final String homepage = "https://www.duckduckgo.com";
+    static final String homepage = "https://www.google.com/";
+
+    // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
+    @SuppressLint("SetJavaScriptEnabled")
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+
+        // FEATURE_ACTION_BAR_OVERLAY is required to scroll the actionBar.
+        supportRequestWindowFeature(AppCompatDelegate.FEATURE_SUPPORT_ACTION_BAR_OVERLAY);
+
         setContentView(R.layout.activity_webview);
 
-        urlTextBox = (EditText) findViewById(R.id.urlTextBox);
-        swipeToRefresh = (SwipeRefreshLayout) findViewById(R.id.swipeRefreshLayoutContainer);
         mainWebView = (WebView) findViewById(R.id.mainWebView);
-        progressBar = (ProgressBar) findViewById(R.id.progressBar);
-        favoriteIcon = (ImageView) findViewById(R.id.favoriteIcon);
 
-        // Remove the title from the action bar.
         final ActionBar actionBar = getSupportActionBar();
         if (actionBar != null) {
+            // Remove the title from the action bar.
             actionBar.setDisplayShowTitleEnabled(false);
-            // actionBar.setHideOnContentScrollEnabled(true);
-        }
 
-        // Implement swipe down to refresh.
-        swipeToRefresh.setColorSchemeColors(0xFF0097FF);
-        swipeToRefresh.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
-            @Override
-            public void onRefresh() {
-                mainWebView.loadUrl(formattedUrlString);
-            }
-        });
+            // Add the custom app_bar layout, which shows the favoriteIcon, urlTextBar, and progressBar.
+            actionBar.setCustomView(R.layout.app_bar);
+            actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
 
-        // Only enable swipeToRefresh if is mainWebView is scrolled to the top.
-        mainWebView.getViewTreeObserver().addOnScrollChangedListener(new ViewTreeObserver.OnScrollChangedListener() {
-            @Override
-            public void onScrollChanged() {
-                if (mainWebView.getScrollY() == 0) {
-                    swipeToRefresh.setEnabled(true);
-                } else {
-                    swipeToRefresh.setEnabled(false);
-                }
-            }
-        });
+            // Initialize the variables for favoriteIcon, urlTextBox, and progressBar
+            favoriteIcon = (ImageView) actionBar.getCustomView().findViewById(R.id.favoriteIcon);
+            urlTextBox = (EditText) actionBar.getCustomView().findViewById(R.id.urlTextBox);
+            progressBar = (ProgressBar) actionBar.getCustomView().findViewById(R.id.progressBar);
+
+            // Scroll the actionBar.
+            actionBar.setHideOnContentScrollEnabled(true);
+        }
 
         mainWebView.setWebViewClient(new WebViewClient() {
 
@@ -109,9 +101,6 @@ public class Webview extends AppCompatActivity {
                     progressBar.setVisibility(View.VISIBLE);
                 } else {
                     progressBar.setVisibility(View.GONE);
-
-                    // Stop the refreshing indicator if it is running.
-                    swipeToRefresh.setRefreshing(false);
                 }
             }
 
@@ -190,6 +179,10 @@ public class Webview extends AppCompatActivity {
                 mainWebView.loadUrl(homepage);
                 break;
 
+            case R.id.refresh:
+                mainWebView.loadUrl(formattedUrlString);
+                break;
+
             case R.id.back:
                 mainWebView.goBack();
                 break;
@@ -217,7 +210,6 @@ public class Webview extends AppCompatActivity {
         String unformattedUrlString = urlTextBox.getText().toString();
         URL unformattedUrl = null;
         Uri.Builder formattedUri = new Uri.Builder();
-        String scheme;
 
         // Check to see if unformattedUrlString is a valid URL.  Otherwise, convert it into a Duck Duck Go search.
         if (Patterns.WEB_URL.matcher(unformattedUrlString).matches()) {
@@ -234,16 +226,12 @@ public class Webview extends AppCompatActivity {
                 e.printStackTrace();
             }
 
-            if (unformattedUrl.getProtocol() != null) {
-                scheme = unformattedUrl.getProtocol();
-            } else {
-                scheme = "http";
-            }
-
-            final String authority = unformattedUrl.getAuthority();
-            final String path = unformattedUrl.getPath();
-            final String query = unformattedUrl.getQuery();
-            final String fragment = unformattedUrl.getRef();
+            // The ternary operator (? :) makes sure that unformattedUrl.get() does not cause a null pointer exception.
+            final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
+            final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
+            final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
+            final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
+            final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
 
             formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
             formattedUrlString = formattedUri.build().toString();
@@ -254,7 +242,6 @@ public class Webview extends AppCompatActivity {
             formattedUrlString = "https://duckduckgo.com/?q=" + encodedUrlString;
         }
 
-        // Place formattedUrlString back in the address bar and load the website.
         mainWebView.loadUrl(formattedUrlString);
 
         // Hides the keyboard so we can see the webpage.