From: Soren Stoutner Date: Sat, 13 Feb 2016 05:18:43 +0000 (-0700) Subject: Rename the activities. X-Git-Tag: v1.0~5 X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=commitdiff_plain;h=81aeaac4229700db3255a6d6c02a8bda18b403e6 Rename the activities. --- diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml index 5c5adf6e..bcf0270f 100644 --- a/app/src/main/AndroidManifest.xml +++ b/app/src/main/AndroidManifest.xml @@ -37,7 +37,7 @@ @@ -58,14 +58,14 @@ + android:parentActivityName=".MainWebViewActivity" > + android:value=".MainWebViewActivity" /> diff --git a/app/src/main/java/com/stoutner/privacybrowser/AboutDialog.java b/app/src/main/java/com/stoutner/privacybrowser/AboutDialog.java index 44d3ac08..a488d0d0 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/AboutDialog.java +++ b/app/src/main/java/com/stoutner/privacybrowser/AboutDialog.java @@ -56,7 +56,7 @@ public class AboutDialog extends AppCompatDialogFragment { // shouldOverrideUrlLoading lets us close AboutDialog when a link is touched. Otherwise the dialog covers the website that loads beneath in Privacy Browser. @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { - MainWebView.mainWebView.loadUrl(url); + MainWebViewActivity.mainWebView.loadUrl(url); alertDialog.dismiss(); return true; } diff --git a/app/src/main/java/com/stoutner/privacybrowser/CreateHomeScreenShortcut.java b/app/src/main/java/com/stoutner/privacybrowser/CreateHomeScreenShortcut.java index 0d437e28..ac8b5284 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/CreateHomeScreenShortcut.java +++ b/app/src/main/java/com/stoutner/privacybrowser/CreateHomeScreenShortcut.java @@ -60,7 +60,7 @@ public class CreateHomeScreenShortcut extends AppCompatDialogFragment { @NonNull public Dialog onCreateDialog(Bundle savedInstanceState) { // Create a drawable version of the favorite icon. - Drawable favoriteIconDrawable = new BitmapDrawable(getResources(), MainWebView.favoriteIcon); + Drawable favoriteIconDrawable = new BitmapDrawable(getResources(), MainWebViewActivity.favoriteIcon); // Use AlertDialog.Builder to create the AlertDialog AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity()); diff --git a/app/src/main/java/com/stoutner/privacybrowser/MainWebView.java b/app/src/main/java/com/stoutner/privacybrowser/MainWebView.java deleted file mode 100644 index daaa58a8..00000000 --- a/app/src/main/java/com/stoutner/privacybrowser/MainWebView.java +++ /dev/null @@ -1,693 +0,0 @@ -/** - * Copyright 2015-2016 Soren Stoutner . - * - * 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 . - */ - -package com.stoutner.privacybrowser; - -import android.annotation.SuppressLint; -import android.annotation.TargetApi; -import android.app.Activity; -import android.app.DownloadManager; -import android.content.ClipData; -import android.content.ClipboardManager; -import android.content.Context; -import android.content.Intent; -import android.content.SharedPreferences; -import android.graphics.Bitmap; -import android.net.Uri; -import android.os.Build; -import android.os.Bundle; -import android.preference.PreferenceManager; -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.support.v7.widget.Toolbar; -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.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.Toast; -import java.io.UnsupportedEncodingException; -import java.net.MalformedURLException; -import java.net.URL; -import java.net.URLEncoder; - -// We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21. -public class MainWebView extends AppCompatActivity implements CreateHomeScreenShortcut.CreateHomeScreenSchortcutListener { - // favoriteIcon is public static so it can be accessed from CreateHomeScreenShortcut. - public static Bitmap favoriteIcon; - // mainWebView is public static so it can be accessed from AboutDialog. It is also used in onCreate(), onOptionsItemSelected(), and loadUrlFromTextBox(). - public static WebView mainWebView; - - // mainMenu is used in onCreateOptionsMenu() and onOptionsItemSelected(). - private Menu mainMenu; - // formattedUrlString is used in onCreate(), onOptionsItemSelected(), onCreateHomeScreenShortcutCreate(), and loadUrlFromTextBox(). - private String formattedUrlString; - // homepage is used in onCreate() and onOptionsItemSelected(). - private String homepage; - // javaScriptEnabled is used in onCreate(), onCreateOptionsMenu(), onOptionsItemSelected(), and loadUrlFromTextBox(). - private boolean javaScriptEnabled; - // domStorageEnabled is used in onCreate(), onCreateOptionsMenu(), and onOptionsItemSelected(). - private boolean domStorageEnabled; - - /* saveFormDataEnabled does nothing until database storage is implemented. - // saveFormDataEnabled is used in onCreate(), onCreateOptionsMenu(), and onOptionsItemSelected(). - private boolean saveFormDataEnabled; - */ - - // cookieManager is used in onCreate() and onOptionsItemSelected(). - private CookieManager cookieManager; - // cookiesEnabled is used in onCreate(), onCreateOptionsMenu(), and onOptionsItemSelected(). - private boolean cookiesEnabled; - - // urlTextBox is used in onCreate(), onOptionsItemSelected(), and loadUrlFromTextBox(). - private EditText urlTextBox; - - @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); - Toolbar toolbar = (Toolbar) findViewById(R.id.appBar); - setSupportActionBar(toolbar); - - final FrameLayout fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.fullScreenVideoFrameLayout); - final Activity mainWebViewActivity = this; - // We need to use the SupportActionBar from android.support.v7.app.ActionBar until the minimum API is >= 21. - final ActionBar appBar = getSupportActionBar(); - - mainWebView = (WebView) findViewById(R.id.mainWebView); - - if (appBar != null) { - // Remove the title from the app bar. - appBar.setDisplayShowTitleEnabled(false); - - // Add the custom url_bar layout, which shows the favoriteIcon, urlTextBar, and progressBar. - appBar.setCustomView(R.layout.url_bar); - appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM); - - // Set the "go" button on the keyboard to load the URL in urlTextBox. - urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.urlTextBox); - 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)) { - // Load the URL into the mainWebView and consume the event. - try { - loadUrlFromTextBox(); - } catch (UnsupportedEncodingException e) { - e.printStackTrace(); - } - // 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; - } - } - }); - } - - mainWebView.setWebViewClient(new WebViewClient() { - // shouldOverrideUrlLoading makes this WebView the default handler for URLs inside the app, so that links are not kicked out to other apps. - @Override - public boolean shouldOverrideUrlLoading(WebView view, String url) { - mainWebView.loadUrl(url); - 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_SHORT).show(); - } - */ - - // Update the URL in urlTextBox when the page starts to load. - @Override - public void onPageStarted(WebView view, String url, Bitmap favicon) { - urlTextBox.setText(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.setWebChromeClient(new WebChromeClient() { - // Update the progress bar when a page is loading. - @Override - public void onProgressChanged(WebView view, int progress) { - // Make sure that appBar is not null. - if (appBar != null) { - ProgressBar progressBar = (ProgressBar) appBar.getCustomView().findViewById(R.id.progressBar); - progressBar.setProgress(progress); - if (progress < 100) { - progressBar.setVisibility(View.VISIBLE); - } else { - progressBar.setVisibility(View.GONE); - } - } - } - - // Set the favorite icon when it changes. - @Override - public void onReceivedIcon(WebView view, Bitmap icon) { - // 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 appBar if it is not null. - if (appBar != null) { - ImageView imageViewFavoriteIcon = (ImageView) appBar.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) { - if (appBar != null) { - appBar.hide(); - } - - fullScreenVideoFrameLayout.addView(view); - fullScreenVideoFrameLayout.setVisibility(View.VISIBLE); - - mainWebView.setVisibility(View.GONE); - - /* SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bars on the bottom or right of the screen. - ** SYSTEM_UI_FLAG_FULLSCREEN hides the status bar across the top of the screen. - ** SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the navigation and status bars ghosted overlays and automatically rehides them. - */ - - // Set the one flag supported by API >= 14. - if (Build.VERSION.SDK_INT >= 14) { - view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION); - } - - // Set the two flags that are supported by API >= 16. - if (Build.VERSION.SDK_INT >= 16) { - view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN); - } - - // Set all three flags that are supported by API >= 19. - if (Build.VERSION.SDK_INT >= 19) { - view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); - } - } - - // Exit full screen video - public void onHideCustomView() { - if (appBar != null) { - appBar.show(); - } - - mainWebView.setVisibility(View.VISIBLE); - - fullScreenVideoFrameLayout.removeAllViews(); - fullScreenVideoFrameLayout.setVisibility(View.GONE); - } - }); - - // Allow the downloading of files. - mainWebView.setDownloadListener(new DownloadListener() { - // Launch the Android download manager when a link leads to a download. - @Override - public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) { - DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE); - DownloadManager.Request requestUri = new DownloadManager.Request(Uri.parse(url)); - - // Add the URL as the description for the download. - requestUri.setDescription(url); - - // Show the download notification after the download is completed if the API is 11 or greater. - if (Build.VERSION.SDK_INT >= 11) { - requestUri.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED); - } - - downloadManager.enqueue(requestUri); - Toast.makeText(mainWebViewActivity, "Download started", Toast.LENGTH_SHORT).show(); - } - }); - - // Allow pinch to zoom. - mainWebView.getSettings().setBuiltInZoomControls(true); - - // Hide zoom controls if the API is 11 or greater. - if (Build.VERSION.SDK_INT >= 11) { - mainWebView.getSettings().setDisplayZoomControls(false); - } - - // Initialize the default preference values the first time the program is run. - PreferenceManager.setDefaultValues(this, R.xml.preferences, false); - - // Get the shared preference values. - SharedPreferences savedPreferences = PreferenceManager.getDefaultSharedPreferences(this); - - // Set JavaScript initial status. - javaScriptEnabled = savedPreferences.getBoolean("javascript_enabled", false); - mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled); - - // Set DOM storage initial status. - domStorageEnabled = savedPreferences.getBoolean("dom_storage_enabled", false); - mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled); - - /* Save Form Data does nothing until database storage is implemented. - // Set Save Form Data initial status. - saveFormDataEnabled = true; - mainWebView.getSettings().setSaveFormData(saveFormDataEnabled); - */ - - // Set cookies initial status. - cookiesEnabled = savedPreferences.getBoolean("cookies_enabled", false); - cookieManager = CookieManager.getInstance(); - cookieManager.setAcceptCookie(cookiesEnabled); - - // Set hompage initial status. - homepage = savedPreferences.getString("homepage", "https://www.duckduckgo.com"); - - // Get the intent information that started the app. - final Intent intent = getIntent(); - - if (intent.getData() != null) { - // Get the intent data and convert it to a string. - final Uri intentUriData = intent.getData(); - formattedUrlString = intentUriData.toString(); - } - - // If formattedUrlString is null assign the homepage to it. - if (formattedUrlString == null) { - formattedUrlString = homepage; - } - - // Load the initial website. - mainWebView.loadUrl(formattedUrlString); - } - - @Override - protected void onNewIntent(Intent intent) { - // Sets the new intent as the activity intent, so that any future getIntent()s pick up this one instead of creating a new activity. - 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); - - // Set mainMenu so it can be used by onOptionsItemSelected. - mainMenu = 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 icon for toggleJavaScript - if (javaScriptEnabled) { - toggleJavaScript.setIcon(R.drawable.javascript_enabled); - } else { - if (domStorageEnabled || cookiesEnabled) { - toggleJavaScript.setIcon(R.drawable.warning); - } else { - toggleJavaScript.setIcon(R.drawable.privacy_mode); - } - } - - // Set the initial status of the menu item checkboxes. - toggleDomStorage.setChecked(domStorageEnabled); - /* toggleSaveFormData does nothing until database storage is implemented. - toggleSaveFormData.setChecked(saveFormDataEnabled); - */ - toggleCookies.setChecked(cookiesEnabled); - - return true; - } - - @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(); - - // Some options need to update the drawable for toggleJavaScript. - MenuItem toggleJavaScript = mainMenu.findItem(R.id.toggleJavaScript); - - // Set the commands that relate to the menu entries. - switch (menuItemId) { - case R.id.toggleJavaScript: - if (javaScriptEnabled) { - javaScriptEnabled = false; - mainWebView.getSettings().setJavaScriptEnabled(false); - mainWebView.reload(); - - // Update the toggleJavaScript icon and display a toast message. - if (domStorageEnabled || cookiesEnabled) { - menuItem.setIcon(R.drawable.warning); - if (domStorageEnabled && cookiesEnabled) { - Toast.makeText(getApplicationContext(), "JavaScript disabled, DOM Storage and Cookies still enabled", Toast.LENGTH_SHORT).show(); - } else { - if (domStorageEnabled) { - Toast.makeText(getApplicationContext(), "JavaScript disabled, DOM Storage still enabled", Toast.LENGTH_SHORT).show(); - } else { - Toast.makeText(getApplicationContext(), "JavaScript disabled, Cookies still enabled", Toast.LENGTH_SHORT).show(); - } - } - } else { - menuItem.setIcon(R.drawable.privacy_mode); - Toast.makeText(getApplicationContext(), "Privacy Mode", Toast.LENGTH_SHORT).show(); - } - } else { - javaScriptEnabled = true; - menuItem.setIcon(R.drawable.javascript_enabled); - mainWebView.getSettings().setJavaScriptEnabled(true); - mainWebView.reload(); - Toast.makeText(getApplicationContext(), "JavaScript enabled", Toast.LENGTH_SHORT).show(); - } - return true; - - case R.id.toggleDomStorage: - if (domStorageEnabled) { - domStorageEnabled = false; - menuItem.setChecked(false); - mainWebView.getSettings().setDomStorageEnabled(false); - mainWebView.reload(); - - // Update the toggleJavaScript icon and display a toast message if appropriate. - if (!javaScriptEnabled && !cookiesEnabled) { - toggleJavaScript.setIcon(R.drawable.privacy_mode); - Toast.makeText(getApplicationContext(), "Privacy Mode", Toast.LENGTH_SHORT).show(); - } else { - if (cookiesEnabled) { - toggleJavaScript.setIcon(R.drawable.warning); - Toast.makeText(getApplicationContext(), "Cookies still enabled", Toast.LENGTH_SHORT).show(); - } // Else Do nothing because JavaScript is enabled. - } - } else { - domStorageEnabled = true; - menuItem.setChecked(true); - mainWebView.getSettings().setDomStorageEnabled(true); - mainWebView.reload(); - - // Update the toggleJavaScript icon if appropriate. - if (!javaScriptEnabled) { - toggleJavaScript.setIcon(R.drawable.warning); - } // Else Do nothing because JavaScript is enabled. - - Toast.makeText(getApplicationContext(), "DOM Storage enabled", Toast.LENGTH_SHORT).show(); - } - return true; - - /* toggleSaveFormData does nothing until database storage is implemented. - case R.id.toggleSaveFormData: - if (saveFormDataEnabled) { - saveFormDataEnabled = false; - menuItem.setChecked(false); - mainWebView.getSettings().setSaveFormData(false); - mainWebView.reload(); - } else { - saveFormDataEnabled = true; - menuItem.setChecked(true); - mainWebView.getSettings().setSaveFormData(true); - mainWebView.reload(); - } - return true; - */ - - case R.id.toggleCookies: - if (cookiesEnabled) { - cookiesEnabled = false; - menuItem.setChecked(false); - cookieManager.setAcceptCookie(false); - mainWebView.reload(); - - // Update the toggleJavaScript icon and display a toast message if appropriate. - if (!javaScriptEnabled && !domStorageEnabled) { - toggleJavaScript.setIcon(R.drawable.privacy_mode); - Toast.makeText(getApplicationContext(), "Privacy Mode", Toast.LENGTH_SHORT).show(); - } else { - if (domStorageEnabled) { - toggleJavaScript.setIcon(R.drawable.warning); - Toast.makeText(getApplicationContext(), "DOM Storage still enabled", Toast.LENGTH_SHORT).show(); - } // Else Do nothing because JavaScript is enabled. - } - } else { - cookiesEnabled = true; - menuItem.setChecked(true); - cookieManager.setAcceptCookie(true); - mainWebView.reload(); - - // Update the toggleJavaScript icon if appropriate. - if (!javaScriptEnabled) { - toggleJavaScript.setIcon(R.drawable.warning); - } // Else Do nothing because JavaScript is enabled. - - Toast.makeText(getApplicationContext(), "Cookies enabled", Toast.LENGTH_SHORT).show(); - } - 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.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. - Intent downloadManangerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS); - - // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list. - downloadManangerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); - - startActivity(downloadManangerIntent); - return true; - - case R.id.home: - mainWebView.loadUrl(homepage); - return true; - - case R.id.refresh: - mainWebView.reload(); - return true; - - case R.id.back: - mainWebView.goBack(); - return true; - - case R.id.forward: - mainWebView.goForward(); - return true; - - case R.id.share: - Intent shareIntent = new Intent(); - shareIntent.setAction(Intent.ACTION_SEND); - shareIntent.putExtra(Intent.EXTRA_TEXT, urlTextBox.getText().toString()); - shareIntent.setType("text/plain"); - startActivity(Intent.createChooser(shareIntent, "Share URL")); - return true; - - case R.id.settings: - // Start the Settings activity. - Intent intent = new Intent(this, Settings.class); - startActivity(intent); - 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.clearAndExit: - // 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); - } - } - - @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. - @Override - public void onBackPressed() { - final WebView mainWebView = (WebView) findViewById(R.id.mainWebView); - - if (mainWebView.canGoBack()) { - mainWebView.goBack(); - } else { - super.onBackPressed(); - } - } - - public void loadUrlFromTextBox() throws UnsupportedEncodingException { - // Get the text from urlTextBox and convert it to a string. - String unformattedUrlString = urlTextBox.getText().toString(); - URL unformattedUrl = null; - Uri.Builder formattedUri = new Uri.Builder(); - - // 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()) { - // Add http:// at the beginning if it is missing. Otherwise the app will segfault. - if (!unformattedUrlString.startsWith("http")) { - unformattedUrlString = "http://" + unformattedUrlString; - } - - // Convert unformattedUrlString to a URL, then to a URI, and then back to a string, which sanitizes the input and adds in any missing components. - try { - unformattedUrl = new URL(unformattedUrlString); - } catch (MalformedURLException e) { - e.printStackTrace(); - } - - // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if .get was called on a null value. - 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(); - } else { - // Sanitize the search input and convert it to a DuckDuckGo search. - final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8"); - - // Use the correct search URL based on javaScriptEnabled. - if (javaScriptEnabled) { - formattedUrlString = "https://duckduckgo.com/?q=" + encodedUrlString; - } else { - formattedUrlString = "https://duckduckgo.com/html/?q=" + encodedUrlString; - } - } - - mainWebView.loadUrl(formattedUrlString); - - // Hides the keyboard so we can see the webpage. - InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE); - inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0); - } -} diff --git a/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java b/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java new file mode 100644 index 00000000..5d230733 --- /dev/null +++ b/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java @@ -0,0 +1,709 @@ +/** + * Copyright 2015-2016 Soren Stoutner . + * + * 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 . + */ + +package com.stoutner.privacybrowser; + +import android.annotation.SuppressLint; +import android.annotation.TargetApi; +import android.app.Activity; +import android.app.DownloadManager; +import android.content.Intent; +import android.content.SharedPreferences; +import android.graphics.Bitmap; +import android.net.Uri; +import android.os.Build; +import android.os.Bundle; +import android.preference.PreferenceManager; +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.support.v7.widget.Toolbar; +import android.util.Patterns; +import android.view.KeyEvent; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View; +import android.view.Window; +import android.view.inputmethod.InputMethodManager; +import android.webkit.CookieManager; +import android.webkit.DownloadListener; +import android.webkit.WebChromeClient; +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.Toast; +import java.io.UnsupportedEncodingException; +import java.net.MalformedURLException; +import java.net.URL; +import java.net.URLEncoder; + +// We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21. +public class MainWebViewActivity extends AppCompatActivity implements CreateHomeScreenShortcut.CreateHomeScreenSchortcutListener { + // favoriteIcon is public static so it can be accessed from CreateHomeScreenShortcut. + public static Bitmap favoriteIcon; + // mainWebView is public static so it can be accessed from AboutDialog. It is also used in onCreate(), onOptionsItemSelected(), and loadUrlFromTextBox(). + public static WebView mainWebView; + + // mainMenu is used in onCreateOptionsMenu() and onOptionsItemSelected(). + private Menu mainMenu; + // formattedUrlString is used in onCreate(), onOptionsItemSelected(), onCreateHomeScreenShortcutCreate(), and loadUrlFromTextBox(). + private String formattedUrlString; + // homepage is used in onCreate() and onOptionsItemSelected(). + private String homepage; + // javaScriptEnabled is used in onCreate(), onCreateOptionsMenu(), onOptionsItemSelected(), and loadUrlFromTextBox(). + private boolean javaScriptEnabled; + // domStorageEnabled is used in onCreate(), onCreateOptionsMenu(), and onOptionsItemSelected(). + private boolean domStorageEnabled; + + /* saveFormDataEnabled does nothing until database storage is implemented. + // saveFormDataEnabled is used in onCreate(), onCreateOptionsMenu(), and onOptionsItemSelected(). + private boolean saveFormDataEnabled; + */ + + // cookieManager is used in onCreate() and onOptionsItemSelected(). + private CookieManager cookieManager; + // cookiesEnabled is used in onCreate(), onCreateOptionsMenu(), and onOptionsItemSelected(). + private boolean cookiesEnabled; + + // urlTextBox is used in onCreate(), onOptionsItemSelected(), and loadUrlFromTextBox(). + private EditText urlTextBox; + + @Override + // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled. + @SuppressLint("SetJavaScriptEnabled") + protected void onCreate(Bundle savedInstanceState) { + // Window.FEATURE_ACTION_BAR_OVERLAY must be enabled to set the app bar to HideOnContentScroll. It must be set before any content is added to the activity. + if (Build.VERSION.SDK_INT >= 11) { + requestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY); + } + + super.onCreate(savedInstanceState); + setContentView(R.layout.activity_webview); + + // We need to use the SupportActionBar from android.support.v7.app.ActionBar until the minimum API is >= 21. + Toolbar supportAppBar = (Toolbar) findViewById(R.id.appBar); + setSupportActionBar(supportAppBar); + + final FrameLayout fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.fullScreenVideoFrameLayout); + final Activity mainWebViewActivity = this; + // We need to use the SupportActionBar from android.support.v7.app.ActionBar until the minimum API is >= 21. + final ActionBar appBar = getSupportActionBar(); + + mainWebView = (WebView) findViewById(R.id.mainWebView); + + if (appBar != null) { + /* TODO Enable app bar scrolling. + // Scroll the app bar, but only if the API supports overlay mode (>= 11). + if (Build.VERSION.SDK_INT >= 11) { + appBar.setHideOnContentScrollEnabled(true); + } + */ + + // Remove the title from the app bar. + appBar.setDisplayShowTitleEnabled(false); + + // Add the custom url_bar layout, which shows the favoriteIcon, urlTextBar, and progressBar. + appBar.setCustomView(R.layout.url_bar); + appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM); + + // Set the "go" button on the keyboard to load the URL in urlTextBox. + urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.urlTextBox); + 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)) { + // Load the URL into the mainWebView and consume the event. + try { + loadUrlFromTextBox(); + } catch (UnsupportedEncodingException e) { + e.printStackTrace(); + } + // 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; + } + } + }); + } + + mainWebView.setWebViewClient(new WebViewClient() { + // shouldOverrideUrlLoading makes this WebView the default handler for URLs inside the app, so that links are not kicked out to other apps. + @Override + public boolean shouldOverrideUrlLoading(WebView view, String url) { + mainWebView.loadUrl(url); + 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_SHORT).show(); + } + */ + + // Update the URL in urlTextBox when the page starts to load. + @Override + public void onPageStarted(WebView view, String url, Bitmap favicon) { + urlTextBox.setText(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.setWebChromeClient(new WebChromeClient() { + // Update the progress bar when a page is loading. + @Override + public void onProgressChanged(WebView view, int progress) { + // Make sure that appBar is not null. + if (appBar != null) { + ProgressBar progressBar = (ProgressBar) appBar.getCustomView().findViewById(R.id.progressBar); + progressBar.setProgress(progress); + if (progress < 100) { + progressBar.setVisibility(View.VISIBLE); + } else { + progressBar.setVisibility(View.GONE); + } + } + } + + // Set the favorite icon when it changes. + @Override + public void onReceivedIcon(WebView view, Bitmap icon) { + // 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 appBar if it is not null. + if (appBar != null) { + ImageView imageViewFavoriteIcon = (ImageView) appBar.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) { + if (appBar != null) { + appBar.hide(); + } + + fullScreenVideoFrameLayout.addView(view); + fullScreenVideoFrameLayout.setVisibility(View.VISIBLE); + + mainWebView.setVisibility(View.GONE); + + /* SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bars on the bottom or right of the screen. + ** SYSTEM_UI_FLAG_FULLSCREEN hides the status bar across the top of the screen. + ** SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the navigation and status bars ghosted overlays and automatically rehides them. + */ + + // Set the one flag supported by API >= 14. + if (Build.VERSION.SDK_INT >= 14) { + view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION); + } + + // Set the two flags that are supported by API >= 16. + if (Build.VERSION.SDK_INT >= 16) { + view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN); + } + + // Set all three flags that are supported by API >= 19. + if (Build.VERSION.SDK_INT >= 19) { + view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + } + } + + // Exit full screen video + public void onHideCustomView() { + if (appBar != null) { + appBar.show(); + } + + mainWebView.setVisibility(View.VISIBLE); + + fullScreenVideoFrameLayout.removeAllViews(); + fullScreenVideoFrameLayout.setVisibility(View.GONE); + } + }); + + // Allow the downloading of files. + mainWebView.setDownloadListener(new DownloadListener() { + // Launch the Android download manager when a link leads to a download. + @Override + public void onDownloadStart(String url, String userAgent, String contentDisposition, String mimetype, long contentLength) { + DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE); + DownloadManager.Request requestUri = new DownloadManager.Request(Uri.parse(url)); + + // Add the URL as the description for the download. + requestUri.setDescription(url); + + // Show the download notification after the download is completed if the API is 11 or greater. + if (Build.VERSION.SDK_INT >= 11) { + requestUri.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED); + } + + downloadManager.enqueue(requestUri); + Toast.makeText(mainWebViewActivity, "Download started", Toast.LENGTH_SHORT).show(); + } + }); + + // Allow pinch to zoom. + mainWebView.getSettings().setBuiltInZoomControls(true); + + // Hide zoom controls if the API is 11 or greater. + if (Build.VERSION.SDK_INT >= 11) { + mainWebView.getSettings().setDisplayZoomControls(false); + } + + // Initialize the default preference values the first time the program is run. + PreferenceManager.setDefaultValues(this, R.xml.preferences, false); + + // Get the shared preference values. + SharedPreferences savedPreferences = PreferenceManager.getDefaultSharedPreferences(this); + + // Set JavaScript initial status. + javaScriptEnabled = savedPreferences.getBoolean("javascript_enabled", false); + mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled); + + // Set DOM storage initial status. + domStorageEnabled = savedPreferences.getBoolean("dom_storage_enabled", false); + mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled); + + /* Save Form Data does nothing until database storage is implemented. + // Set Save Form Data initial status. + saveFormDataEnabled = true; + mainWebView.getSettings().setSaveFormData(saveFormDataEnabled); + */ + + // Set cookies initial status. + cookiesEnabled = savedPreferences.getBoolean("cookies_enabled", false); + cookieManager = CookieManager.getInstance(); + cookieManager.setAcceptCookie(cookiesEnabled); + + // Set hompage initial status. + homepage = savedPreferences.getString("homepage", "https://www.duckduckgo.com"); + + // Get the intent information that started the app. + final Intent intent = getIntent(); + + if (intent.getData() != null) { + // Get the intent data and convert it to a string. + final Uri intentUriData = intent.getData(); + formattedUrlString = intentUriData.toString(); + } + + // If formattedUrlString is null assign the homepage to it. + if (formattedUrlString == null) { + formattedUrlString = homepage; + } + + // Load the initial website. + mainWebView.loadUrl(formattedUrlString); + } + + @Override + protected void onNewIntent(Intent intent) { + // Sets the new intent as the activity intent, so that any future getIntent()s pick up this one instead of creating a new activity. + 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); + + // Set mainMenu so it can be used by onOptionsItemSelected. + mainMenu = 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 icon for toggleJavaScript + if (javaScriptEnabled) { + toggleJavaScript.setIcon(R.drawable.javascript_enabled); + } else { + if (domStorageEnabled || cookiesEnabled) { + toggleJavaScript.setIcon(R.drawable.warning); + } else { + toggleJavaScript.setIcon(R.drawable.privacy_mode); + } + } + + // Set the initial status of the menu item checkboxes. + toggleDomStorage.setChecked(domStorageEnabled); + /* toggleSaveFormData does nothing until database storage is implemented. + toggleSaveFormData.setChecked(saveFormDataEnabled); + */ + toggleCookies.setChecked(cookiesEnabled); + + return true; + } + + @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(); + + // Some options need to update the drawable for toggleJavaScript. + MenuItem toggleJavaScript = mainMenu.findItem(R.id.toggleJavaScript); + + // Set the commands that relate to the menu entries. + switch (menuItemId) { + case R.id.toggleJavaScript: + if (javaScriptEnabled) { + javaScriptEnabled = false; + mainWebView.getSettings().setJavaScriptEnabled(false); + mainWebView.reload(); + + // Update the toggleJavaScript icon and display a toast message. + if (domStorageEnabled || cookiesEnabled) { + menuItem.setIcon(R.drawable.warning); + if (domStorageEnabled && cookiesEnabled) { + Toast.makeText(getApplicationContext(), "JavaScript disabled, DOM Storage and Cookies still enabled", Toast.LENGTH_SHORT).show(); + } else { + if (domStorageEnabled) { + Toast.makeText(getApplicationContext(), "JavaScript disabled, DOM Storage still enabled", Toast.LENGTH_SHORT).show(); + } else { + Toast.makeText(getApplicationContext(), "JavaScript disabled, Cookies still enabled", Toast.LENGTH_SHORT).show(); + } + } + } else { + menuItem.setIcon(R.drawable.privacy_mode); + Toast.makeText(getApplicationContext(), "Privacy Mode", Toast.LENGTH_SHORT).show(); + } + } else { + javaScriptEnabled = true; + menuItem.setIcon(R.drawable.javascript_enabled); + mainWebView.getSettings().setJavaScriptEnabled(true); + mainWebView.reload(); + Toast.makeText(getApplicationContext(), "JavaScript enabled", Toast.LENGTH_SHORT).show(); + } + return true; + + case R.id.toggleDomStorage: + if (domStorageEnabled) { + domStorageEnabled = false; + menuItem.setChecked(false); + mainWebView.getSettings().setDomStorageEnabled(false); + mainWebView.reload(); + + // Update the toggleJavaScript icon and display a toast message if appropriate. + if (!javaScriptEnabled && !cookiesEnabled) { + toggleJavaScript.setIcon(R.drawable.privacy_mode); + Toast.makeText(getApplicationContext(), "Privacy Mode", Toast.LENGTH_SHORT).show(); + } else { + if (cookiesEnabled) { + toggleJavaScript.setIcon(R.drawable.warning); + Toast.makeText(getApplicationContext(), "Cookies still enabled", Toast.LENGTH_SHORT).show(); + } // Else Do nothing because JavaScript is enabled. + } + } else { + domStorageEnabled = true; + menuItem.setChecked(true); + mainWebView.getSettings().setDomStorageEnabled(true); + mainWebView.reload(); + + // Update the toggleJavaScript icon if appropriate. + if (!javaScriptEnabled) { + toggleJavaScript.setIcon(R.drawable.warning); + } // Else Do nothing because JavaScript is enabled. + + Toast.makeText(getApplicationContext(), "DOM Storage enabled", Toast.LENGTH_SHORT).show(); + } + return true; + + /* toggleSaveFormData does nothing until database storage is implemented. + case R.id.toggleSaveFormData: + if (saveFormDataEnabled) { + saveFormDataEnabled = false; + menuItem.setChecked(false); + mainWebView.getSettings().setSaveFormData(false); + mainWebView.reload(); + } else { + saveFormDataEnabled = true; + menuItem.setChecked(true); + mainWebView.getSettings().setSaveFormData(true); + mainWebView.reload(); + } + return true; + */ + + case R.id.toggleCookies: + if (cookiesEnabled) { + cookiesEnabled = false; + menuItem.setChecked(false); + cookieManager.setAcceptCookie(false); + mainWebView.reload(); + + // Update the toggleJavaScript icon and display a toast message if appropriate. + if (!javaScriptEnabled && !domStorageEnabled) { + toggleJavaScript.setIcon(R.drawable.privacy_mode); + Toast.makeText(getApplicationContext(), "Privacy Mode", Toast.LENGTH_SHORT).show(); + } else { + if (domStorageEnabled) { + toggleJavaScript.setIcon(R.drawable.warning); + Toast.makeText(getApplicationContext(), "DOM Storage still enabled", Toast.LENGTH_SHORT).show(); + } // Else Do nothing because JavaScript is enabled. + } + } else { + cookiesEnabled = true; + menuItem.setChecked(true); + cookieManager.setAcceptCookie(true); + mainWebView.reload(); + + // Update the toggleJavaScript icon if appropriate. + if (!javaScriptEnabled) { + toggleJavaScript.setIcon(R.drawable.warning); + } // Else Do nothing because JavaScript is enabled. + + Toast.makeText(getApplicationContext(), "Cookies enabled", Toast.LENGTH_SHORT).show(); + } + 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.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. + Intent downloadManangerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS); + + // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list. + downloadManangerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + + startActivity(downloadManangerIntent); + return true; + + case R.id.home: + mainWebView.loadUrl(homepage); + return true; + + case R.id.refresh: + mainWebView.reload(); + return true; + + case R.id.back: + mainWebView.goBack(); + return true; + + case R.id.forward: + mainWebView.goForward(); + return true; + + case R.id.share: + Intent shareIntent = new Intent(); + shareIntent.setAction(Intent.ACTION_SEND); + shareIntent.putExtra(Intent.EXTRA_TEXT, urlTextBox.getText().toString()); + shareIntent.setType("text/plain"); + startActivity(Intent.createChooser(shareIntent, "Share URL")); + return true; + + case R.id.settings: + // Launch SettingsActivity. + Intent intent = new Intent(this, SettingsActivity.class); + startActivity(intent); + 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.clearAndExit: + // Clear DOM storage. + WebStorage domStorage = WebStorage.getInstance(); + domStorage.deleteAllData(); + + // Clear cookies. The commands changed slightly in API 21. + if (Build.VERSION.SDK_INT >= 21) { + cookieManager.removeAllCookies(null); + } else { + cookieManager.removeAllCookie(); + } + + // Destroy the internal state of the webview. + mainWebView.destroy(); + + // Close Privacy Browser. finishAndRemoveTask also removes Privacy Browser from the recent app list. + if (Build.VERSION.SDK_INT >= 21) { + finishAndRemoveTask(); + } else { + finish(); + } + return true; + + default: + 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. + @Override + public void onBackPressed() { + final WebView mainWebView = (WebView) findViewById(R.id.mainWebView); + + if (mainWebView.canGoBack()) { + mainWebView.goBack(); + } else { + super.onBackPressed(); + } + } + + public void loadUrlFromTextBox() throws UnsupportedEncodingException { + // Get the text from urlTextBox and convert it to a string. + String unformattedUrlString = urlTextBox.getText().toString(); + URL unformattedUrl = null; + Uri.Builder formattedUri = new Uri.Builder(); + + // 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()) { + // Add http:// at the beginning if it is missing. Otherwise the app will segfault. + if (!unformattedUrlString.startsWith("http")) { + unformattedUrlString = "http://" + unformattedUrlString; + } + + // Convert unformattedUrlString to a URL, then to a URI, and then back to a string, which sanitizes the input and adds in any missing components. + try { + unformattedUrl = new URL(unformattedUrlString); + } catch (MalformedURLException e) { + e.printStackTrace(); + } + + // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if .get was called on a null value. + 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(); + } else { + // Sanitize the search input and convert it to a DuckDuckGo search. + final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8"); + + // Use the correct search URL based on javaScriptEnabled. + if (javaScriptEnabled) { + formattedUrlString = "https://duckduckgo.com/?q=" + encodedUrlString; + } else { + formattedUrlString = "https://duckduckgo.com/html/?q=" + encodedUrlString; + } + } + + mainWebView.loadUrl(formattedUrlString); + + // Hides the keyboard so we can see the webpage. + InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE); + inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0); + } +} diff --git a/app/src/main/java/com/stoutner/privacybrowser/Settings.java b/app/src/main/java/com/stoutner/privacybrowser/Settings.java deleted file mode 100644 index a1044a68..00000000 --- a/app/src/main/java/com/stoutner/privacybrowser/Settings.java +++ /dev/null @@ -1,33 +0,0 @@ -/** - * Copyright 2016 Soren Stoutner . - * - * 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 . - */ - -package com.stoutner.privacybrowser; - -import android.os.Bundle; -import android.preference.PreferenceActivity; - -public class Settings extends PreferenceActivity { - @Override - // Once the minimum API is >= 11 we can switch from the deprecated PreferenceActivity to using a PreferenceFragment. - @SuppressWarnings("deprecation") - public void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - addPreferencesFromResource(R.xml.preferences); - } -} diff --git a/app/src/main/java/com/stoutner/privacybrowser/SettingsActivity.java b/app/src/main/java/com/stoutner/privacybrowser/SettingsActivity.java new file mode 100644 index 00000000..287237be --- /dev/null +++ b/app/src/main/java/com/stoutner/privacybrowser/SettingsActivity.java @@ -0,0 +1,35 @@ +/** + * Copyright 2016 Soren Stoutner . + * + * 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 . + */ + +package com.stoutner.privacybrowser; + +import android.os.Bundle; +import android.preference.PreferenceActivity; +import android.support.v7.widget.Toolbar; + +// Once the minimum API is >= 11 we can switch from the deprecated PreferenceActivity to using a PreferenceFragment. +public class SettingsActivity extends PreferenceActivity { + @Override + // Until minumum API is >= 11 we needs to use the deprecated addPreferenceFromResource from PreferenceActivity. + @SuppressWarnings("deprecation") + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + addPreferencesFromResource(R.xml.preferences); + } +} diff --git a/app/src/main/res/menu/menu_webview.xml b/app/src/main/res/menu/menu_webview.xml index 92bd7c2f..eb964bf9 100644 --- a/app/src/main/res/menu/menu_webview.xml +++ b/app/src/main/res/menu/menu_webview.xml @@ -22,7 +22,7 @@ xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" - tools:context=".MainWebView"> + tools:context=".MainWebViewActivity">