+/**
+ * Copyright 2015-2016 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of 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;
import android.annotation.SuppressLint;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
+import android.support.v4.app.DialogFragment;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
+import android.support.v7.app.AppCompatDialogFragment;
import android.util.Patterns;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
+import android.webkit.CookieManager;
import android.webkit.DownloadListener;
import android.webkit.WebChromeClient;
-import android.webkit.WebResourceError;
-import android.webkit.WebResourceRequest;
+import android.webkit.WebStorage;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.EditText;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.ProgressBar;
-import android.widget.RelativeLayout;
import android.widget.Toast;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
-public class Webview extends AppCompatActivity {
+public class Webview extends AppCompatActivity implements CreateHomeScreenShortcut.CreateHomeScreenSchortcutListener {
+ // favoriteIcon is public static so it can be accessed from CreateHomeScreenShortcut.
+ public static Bitmap favoriteIcon;
+ // mainWebView is used in onCreate and onOptionsItemSelected.
+ private WebView mainWebView;
+ // formattedUrlString is used in onCreate, onOptionsItemSelected, onCreateHomeScreenShortcutCreate, and loadUrlFromTextBox.
private String formattedUrlString;
+ // homepage is used in onCreate and onOptionsItemSelected.
private String homepage = "https://www.duckduckgo.com/";
+ // enableJavaScript is used in onCreate, onCreateOptionsMenu, and onOptionsItemSelected.
+ private boolean enableJavaScript;
+ // enableDomStorage is used in onCreate, onCreateOptionsMenu, and onOptionsItemSelected.
+ private boolean enableDomStorage;
- // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
- @SuppressLint("SetJavaScriptEnabled")
+ /* enableSaveFormData does nothing until database storage is implemented.
+ // enableSaveFormData is used in onCreate, onCreateOptionsMenu, and onOptionsItemSelected.
+ private boolean enableSaveFormData;
+ */
+
+ // cookieManager is used in onCreate and onOptionsItemSelected.
+ private CookieManager cookieManager;
+ // enableCookies is used in onCreate, onCreateOptionsMenu, and onOptionsItemSelected.
+ private boolean enableCookies;
+
+ // actionBar is used in onCreate and onOptionsItemSelected.
+ private ActionBar actionBar;
@Override
+ // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
+ @SuppressLint("SetJavaScriptEnabled")
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_webview);
- final WebView mainWebView = (WebView) findViewById(R.id.mainWebView);
final FrameLayout fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.fullScreenVideoFrameLayout);
- final RelativeLayout rootRelativeLayout = (RelativeLayout) findViewById(R.id.rootRelativeLayout);
final Activity mainWebViewActivity = this;
- final ActionBar actionBar = getSupportActionBar();
+ mainWebView = (WebView) findViewById(R.id.mainWebView);
+ actionBar = getSupportActionBar();
+
if (actionBar != null) {
// Remove the title from the action bar.
actionBar.setDisplayShowTitleEnabled(false);
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, load the URL.
- if ((event.getAction() == KeyEvent.ACTION_DOWN) &&
- (keyCode == KeyEvent.KEYCODE_ENTER)) {
+ if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
// Load the URL into the mainWebView and consume the event.
try {
loadUrlFromTextBox();
}
// If the enter key was pressed, consume the event.
return true;
+ } else {
+ // If any other key was pressed, do not consume the event.
+ return false;
}
- // If any other key was pressed, do not consume the event.
- return false;
}
});
}
return true;
}
+ /* These errors do not provide any useful information and clutter the screen.
public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
- Toast.makeText(mainWebViewActivity, "Error loading " + request + " Error: " + error, Toast.LENGTH_LONG).show();
+ Toast.makeText(mainWebViewActivity, "Error loading " + request + " Error: " + error, Toast.LENGTH_SHORT).show();
}
+ */
// Update the URL in urlTextBox when the page starts to load.
@Override
// Set the favorite icon when it changes.
@Override
public void onReceivedIcon(WebView view, Bitmap icon) {
- // Make sure that actionBar is not null.
+ // Save a copy of the favorite icon for use if a shortcut is added to the home screen.
+ favoriteIcon = icon;
+
+ // Place the favorite icon in the actionBar if it is not null.
if (actionBar != null) {
- ImageView favoriteIcon = (ImageView) actionBar.getCustomView().findViewById(R.id.favoriteIcon);
- favoriteIcon.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
+ ImageView imageViewFavoriteIcon = (ImageView) actionBar.getCustomView().findViewById(R.id.favoriteIcon);
+ imageViewFavoriteIcon.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
}
}
// Enter full screen video
@Override
public void onShowCustomView(View view, CustomViewCallback callback) {
- getSupportActionBar().hide();
+ if (getSupportActionBar() != null) {
+ getSupportActionBar().hide();
+ }
fullScreenVideoFrameLayout.addView(view);
fullScreenVideoFrameLayout.setVisibility(View.VISIBLE);
// Exit full screen video
public void onHideCustomView() {
- getSupportActionBar().show();
+ if (getSupportActionBar() != null) {
+ getSupportActionBar().show();
+ }
mainWebView.setVisibility(View.VISIBLE);
}
});
+ // Allow the downloading of files.
mainWebView.setDownloadListener(new DownloadListener() {
// Launch the Android download manager when a link leads to a download.
@Override
mainWebView.getSettings().setDisplayZoomControls(false);
}
- // Enable JavaScript.
- mainWebView.getSettings().setJavaScriptEnabled(true);
+ // Set JavaScript initial status.
+ enableJavaScript = false;
+ mainWebView.getSettings().setJavaScriptEnabled(enableJavaScript);
+
+ // Set DOM Storage initial status.
+ enableDomStorage = false;
+ mainWebView.getSettings().setDomStorageEnabled(enableDomStorage);
+
+ /* Save Form Data does nothing until database storage is implemented.
+ // Set Save Form Data initial status.
+ enableSaveFormData = true;
+ mainWebView.getSettings().setSaveFormData(enableSaveFormData);
+ */
- // Enable DOM Storage.
- mainWebView.getSettings().setDomStorageEnabled(true);
+ // Set Cookies initial status.
+ enableCookies = false;
+ cookieManager = CookieManager.getInstance();
+ cookieManager.setAcceptCookie(enableCookies);
// Get the intent information that started the app.
final Intent intent = getIntent();
mainWebView.loadUrl(formattedUrlString);
}
+ @Override
+ protected void onNewIntent(Intent intent) {
+ // Sets the new intent as the activity intent, so that any future getIntent() picks up this one.
+ setIntent(intent);
+
+ if (intent.getData() != null) {
+ // Get the intent data and convert it to a string.
+ final Uri intentUriData = intent.getData();
+ formattedUrlString = intentUriData.toString();
+ }
+
+ // Load the website.
+ mainWebView.loadUrl(formattedUrlString);
+ }
+
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_webview, menu);
+
+ // Get MenuItems for checkable menu items.
+ MenuItem toggleJavaScript = menu.findItem(R.id.toggleJavaScript);
+ MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage);
+ /* toggleSaveFormData does nothing until database storage is implemented.
+ MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData);
+ */
+ MenuItem toggleCookies = menu.findItem(R.id.toggleCookies);
+
+ // Set the initial status of the menu item checkboxes.
+ toggleJavaScript.setChecked(enableJavaScript);
+ toggleDomStorage.setChecked(enableDomStorage);
+ /* toggleSaveFormData does nothing until database storage is implemented.
+ toggleSaveFormData.setChecked(enableSaveFormData);
+ */
+ toggleCookies.setChecked(enableCookies);
+
return true;
}
- // @TargetApi(11) turns off the errors regarding copy and paste, which are removed from view in menu_webview.xml for lower version of Android.
@Override
+ public boolean onPrepareOptionsMenu(Menu menu) {
+ // Enable Clear Cookies if there are any.
+ MenuItem clearCookies = menu.findItem(R.id.clearCookies);
+ clearCookies.setEnabled(cookieManager.hasCookies());
+
+ // Enable Back if canGoBack().
+ MenuItem back = menu.findItem(R.id.back);
+ back.setEnabled(mainWebView.canGoBack());
+
+ // Enable forward if canGoForward().
+ MenuItem forward = menu.findItem(R.id.forward);
+ forward.setEnabled(mainWebView.canGoForward());
+
+ // Run all the other default commands.
+ super.onPrepareOptionsMenu(menu);
+
+ // return true displays the menu.
+ return true;
+ }
+
+ @Override
+ // @TargetApi(11) turns off the errors regarding copy and paste, which are removed from view in menu_webview.xml for lower version of Android.
@TargetApi(11)
+ // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
+ @SuppressLint("SetJavaScriptEnabled")
+ // removeAllCookies is deprecated, but it is required for API < 21.
+ @SuppressWarnings("deprecation")
public boolean onOptionsItemSelected(MenuItem menuItem) {
int menuItemId = menuItem.getItemId();
ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
- ActionBar actionBar = getSupportActionBar();
- final WebView mainWebView = (WebView) findViewById(R.id.mainWebView);
// Sets the commands that relate to the menu entries.
switch (menuItemId) {
+ case R.id.toggleJavaScript:
+ if (enableJavaScript) {
+ enableJavaScript = false;
+ menuItem.setChecked(false);
+ mainWebView.getSettings().setJavaScriptEnabled(false);
+ mainWebView.reload();
+ } else {
+ enableJavaScript = true;
+ menuItem.setChecked(true);
+ mainWebView.getSettings().setJavaScriptEnabled(true);
+ mainWebView.reload();
+ }
+ return true;
+
+ case R.id.toggleDomStorage:
+ if (enableDomStorage) {
+ enableDomStorage = false;
+ menuItem.setChecked(false);
+ mainWebView.getSettings().setDomStorageEnabled(false);
+ mainWebView.reload();
+ } else {
+ enableDomStorage = true;
+ menuItem.setChecked(true);
+ mainWebView.getSettings().setDomStorageEnabled(true);
+ mainWebView.reload();
+ }
+ return true;
+
+ /* toggleSaveFormData does nothing until database storage is implemented.
+ case R.id.toggleSaveFormData:
+ if (enableSaveFormData) {
+ enableSaveFormData = false;
+ menuItem.setChecked(false);
+ mainWebView.getSettings().setSaveFormData(false);
+ mainWebView.reload();
+ } else {
+ enableSaveFormData = true;
+ menuItem.setChecked(true);
+ mainWebView.getSettings().setSaveFormData(true);
+ mainWebView.reload();
+ }
+ return true;
+ */
+
+ case R.id.toggleCookies:
+ if (enableCookies) {
+ enableCookies = false;
+ menuItem.setChecked(false);
+ cookieManager.setAcceptCookie(false);
+ mainWebView.reload();
+ } else {
+ enableCookies = true;
+ menuItem.setChecked(true);
+ cookieManager.setAcceptCookie(true);
+ mainWebView.reload();
+ }
+ return true;
+
+ case R.id.clearDomStorage:
+ WebStorage webStorage = WebStorage.getInstance();
+ webStorage.deleteAllData();
+ Toast.makeText(getApplicationContext(), "DOM storage deleted", Toast.LENGTH_SHORT).show();
+ return true;
+
+ case R.id.clearCookies:
+ if (Build.VERSION.SDK_INT < 21) {
+ cookieManager.removeAllCookie();
+ } else {
+ cookieManager.removeAllCookies(null);
+ }
+ Toast.makeText(getApplicationContext(), "Cookies deleted", Toast.LENGTH_SHORT).show();
+ return true;
+
case R.id.home:
mainWebView.loadUrl(homepage);
- break;
+ return true;
case R.id.refresh:
- mainWebView.loadUrl(formattedUrlString);
- break;
+ mainWebView.reload();
+ return true;
case R.id.back:
mainWebView.goBack();
- break;
+ return true;
case R.id.forward:
mainWebView.goForward();
- break;
+ return true;
case R.id.copyURL:
// Make sure that actionBar is not null.
EditText urlTextBox = (EditText) actionBar.getCustomView().findViewById(R.id.urlTextBox);
clipboard.setPrimaryClip(ClipData.newPlainText("URL", urlTextBox.getText()));
}
- break;
+ return true;
case R.id.pasteURL:
// Make sure that actionBar is not null.
e.printStackTrace();
}
}
- break;
+ return true;
case R.id.shareURL:
// Make sure that actionBar is not null.
shareIntent.setType("text/plain");
startActivity(Intent.createChooser(shareIntent, "Share URL"));
}
- break;
+ return true;
+
+ case R.id.addToHomescreen:
+ // Show the CreateHomeScreenShortcut AlertDialog and name this instance createShortcut.
+ AppCompatDialogFragment shortcutDialog = new CreateHomeScreenShortcut();
+ shortcutDialog.show(getSupportFragmentManager(), "createShortcut");
+
+ //Everything else will be handled by CreateHomeScreenShortcut and the associated listeners below.
+ return true;
case R.id.downloads:
// Launch the system Download Manager.
downloadManangerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(downloadManangerIntent);
+ return true;
+
+ case R.id.about:
+ // Show the AboutDialog AlertDialog and name this instance aboutDialog.
+ AppCompatDialogFragment aboutDialog = new AboutDialog();
+ aboutDialog.show(getSupportFragmentManager(), "aboutDialog");
+ return true;
+
+ case R.id.exit:
+ // Clear DOM storage.
+ WebStorage domStorage = WebStorage.getInstance();
+ domStorage.deleteAllData();
+
+ // Clear cookies.
+ if (Build.VERSION.SDK_INT < 21) {
+ cookieManager.removeAllCookie();
+ } else {
+ cookieManager.removeAllCookies(null);
+ }
+
+ // Destroy the internal state of the webview.
+ mainWebView.destroy();
+
+ // Close Privacy Browser.
+ finish();
+ return true;
+
+ default:
+ return super.onOptionsItemSelected(menuItem);
}
+ }
- return super.onOptionsItemSelected(menuItem);
+ @Override
+ public void onCreateHomeScreenShortcutCancel(DialogFragment dialog) {
+ // Do nothing because the user selected "Cancel".
+ }
+
+ @Override
+ public void onCreateHomeScreenShortcutCreate(DialogFragment dialog) {
+ // Get shortcutNameEditText from the alert dialog.
+ EditText shortcutNameEditText = (EditText) dialog.getDialog().findViewById(R.id.shortcutNameEditText);
+
+ // Create the bookmark shortcut based on formattedUrlString.
+ Intent bookmarkShortcut = new Intent();
+ bookmarkShortcut.setAction(Intent.ACTION_VIEW);
+ bookmarkShortcut.setData(Uri.parse(formattedUrlString));
+
+ // Place the bookmark shortcut on the home screen.
+ Intent placeBookmarkShortcut = new Intent();
+ placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.INTENT", bookmarkShortcut);
+ placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.NAME", shortcutNameEditText.getText().toString());
+ placeBookmarkShortcut.putExtra("android.intent.extra.shortcut.ICON", favoriteIcon);
+ placeBookmarkShortcut.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
+ sendBroadcast(placeBookmarkShortcut);
}
// Override onBackPressed so that if mainWebView can go back it does when the system back button is pressed.
inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
}
}
-}
+}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff