package com.stoutner.privacybrowser;
+import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
-import android.graphics.drawable.BitmapDrawable;
-import android.graphics.drawable.Drawable;
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;
import android.webkit.WebViewClient;
import android.widget.EditText;
+import android.widget.ImageView;
import android.widget.ProgressBar;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
static String formattedUrlString;
static WebView mainWebView;
static ProgressBar progressBar;
- static SwipeRefreshLayout swipeToRefresh;
static EditText urlTextBox;
- static final String homepage = "https://www.duckduckgo.com";
+ static ImageView favoriteIcon;
+ static final String homepage = "https://www.duckduckgo.com/";
+
+ // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
+ @SuppressLint("SetJavaScriptEnabled")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
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);
final ActionBar actionBar = getSupportActionBar();
if (actionBar != null) {
+ // Remove the title from the action bar.
actionBar.setDisplayShowTitleEnabled(false);
- // actionBar.setHideOnContentScrollEnabled(true);
+
+ // 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);
+
+ // 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);
}
- // Implement swipe down to refresh.
- swipeToRefresh.setColorSchemeColors(0xFF0097FF);
- swipeToRefresh.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
+ mainWebView.setWebViewClient(new WebViewClient() {
+
+ // setWebViewClient makes this WebView the default handler for URLs inside the app, so that links are not kicked out to other apps.
+ // Save the URL to formattedUrlString and update urlTextBox before loading mainWebView.
@Override
- public void onRefresh() {
- mainWebView.loadUrl(formattedUrlString);
+ public boolean shouldOverrideUrlLoading(WebView view, String url) {
+ mainWebView.loadUrl(url);
+ return true;
}
- });
- // Only enable swipeToRefresh if is mainWebView is scrolled to the top.
- mainWebView.getViewTreeObserver().addOnScrollChangedListener(new ViewTreeObserver.OnScrollChangedListener() {
+ // Update the URL in urlTextBox when the page starts to load.
@Override
- public void onScrollChanged() {
- if (mainWebView.getScrollY() == 0) {
- swipeToRefresh.setEnabled(true);
- } else {
- swipeToRefresh.setEnabled(false);
- }
+ public void onPageStarted(WebView view, String url, Bitmap favicon) {
+ urlTextBox.setText(url);
}
- });
- // setWebViewClient makes this WebView the default handler for URLs inside the app, so that links are not kicked out to other apps.
- // Save the URL to formattedUrlString and update urlTextBox before loading mainWebView.
- mainWebView.setWebViewClient(new WebViewClient() {
- public boolean shouldOverrideUrlLoading(WebView view, String url) {
+ // Update formattedUrlString and urlTextBox. It is necessary to do this after the page finishes loading because the final URL can change during load.
+ @Override
+ public void onPageFinished(WebView view, String url) {
formattedUrlString = url;
urlTextBox.setText(formattedUrlString);
- mainWebView.loadUrl(formattedUrlString);
- return true;
}
});
- // Update the progress bar when a page is loading.
mainWebView.setWebChromeClient(new WebChromeClient() {
+
+ // Update the progress bar when a page is loading.
+ @Override
public void onProgressChanged(WebView view, int progress) {
progressBar.setProgress(progress);
if (progress < 100) {
progressBar.setVisibility(View.VISIBLE);
} else {
progressBar.setVisibility(View.GONE);
+ }
+ }
- // Stop the refreshing indicator if it is running.
- swipeToRefresh.setRefreshing(false);
+ // Set the favorite icon when it changes.
+ @Override
+ public void onReceivedIcon(WebView view, Bitmap icon) {
+ favoriteIcon.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
+ }
+ });
- // Update the URL in urlTextBox. It is necessary to do this after the page finishes loading to get the final URL, which can change during load.
- formattedUrlString = mainWebView.getUrl();
- urlTextBox.setText(formattedUrlString);
+ // Set the "go" button on the keyboard to load the URL.
+ urlTextBox.setOnKeyListener(new View.OnKeyListener() {
+ public boolean onKey(View v, int keyCode, KeyEvent event) {
- // Set the favorite icon
- Bitmap favoriteIconBitmap = mainWebView.getFavicon();
- Drawable favoriteIconDrawable = new BitmapDrawable(getResources(), favoriteIconBitmap);
- // TODO Display the favorite icon.
+ // If the event is a key-down event on the "enter" button, load the URL.
+ if ((event.getAction() == KeyEvent.ACTION_DOWN) &&
+ (keyCode == KeyEvent.KEYCODE_ENTER)) {
+ // Load the URL into the mainWebView and consume the event.
+ try {
+ loadUrlFromTextBox(mainWebView);
+ } catch (UnsupportedEncodingException e) {
+ e.printStackTrace();
+ }
+ // If the enter key was pressed, consume the event.
+ return true;
}
+ // If any other key was pressed, do not consume the event.
+ return false;
}
});
if (intent.getData() != null) {
// Get the intent data and convert it to a string.
final Uri intentUriData = intent.getData();
- Webview.formattedUrlString = intentUriData.toString();
+ formattedUrlString = intentUriData.toString();
}
// If formattedUrlString is null assign the homepage to it.
formattedUrlString = homepage;
}
- // Place the formattedUrlString in the address bar and load the website.
- urlTextBox.setText(formattedUrlString);
+ // Load the initial website.
mainWebView.loadUrl(formattedUrlString);
-
- // Set the "go" button on the keyboard to load the URL.
- urlTextBox.setOnKeyListener(new View.OnKeyListener() {
- public boolean onKey(View v, int keyCode, KeyEvent event) {
- // If the event is a key-down event on the "enter" button
- if ((event.getAction() == KeyEvent.ACTION_DOWN) &&
- (keyCode == KeyEvent.KEYCODE_ENTER)) {
- // Load the URL into the mainWebView and consume the event.
- try {
- loadUrlFromTextBox(mainWebView);
- } catch (UnsupportedEncodingException e) {
- e.printStackTrace();
- }
- return true;
- }
- // Do not consume the event.
- return false;
- }
- });
-
}
@Override
// Sets the commands that relate to the menu entries.
switch (menuItemId) {
case R.id.home:
- formattedUrlString = homepage;
- urlTextBox.setText(formattedUrlString);
+ mainWebView.loadUrl(homepage);
+ break;
+
+ case R.id.refresh:
mainWebView.loadUrl(formattedUrlString);
break;
case R.id.back:
mainWebView.goBack();
-
- // Update the URL in urlTextBox with the URL we are intending to load. Because this can be altered during load, the final URL is loaded after the progress bar reaches 100%
- formattedUrlString = mainWebView.getOriginalUrl();
- urlTextBox.setText(formattedUrlString);
break;
case R.id.forward:
mainWebView.goForward();
-
- // Update the URL in urlTextBox with the URL we are intending to load. Because this can be altered during load, the final URL is loaded after the progress bar reaches 100%
- formattedUrlString = mainWebView.getOriginalUrl();
- urlTextBox.setText(formattedUrlString);
break;
}
public void onBackPressed() {
if (mainWebView.canGoBack()) {
mainWebView.goBack();
-
- // Update the URL in urlTextBox with the URL we are intending to load. Because this can be altered during load, the final URL is loaded after the progress bar reaches 100%
- formattedUrlString = mainWebView.getOriginalUrl();
- urlTextBox.setText(formattedUrlString);
} else {
super.onBackPressed();
}
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()) {
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();
formattedUrlString = "https://duckduckgo.com/?q=" + encodedUrlString;
}
- // Place formattedUrlString back in the address bar and load the website.
- urlTextBox.setText(formattedUrlString);
mainWebView.loadUrl(formattedUrlString);
// Hides the keyboard so we can see the webpage.
projects / PrivacyBrowserAndroid.git / blobdiff