X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2FWebview.java;h=6295ce52a79683d86c8d372f2fab0332232f9528;hb=98a82a9c4c67a85f53f019bfa793988bc5fa0336;hp=9c51b446d8d7c88df530bc03ef4029c034a47464;hpb=b72fd06c1e378ca01c1cccd83ed0c7ae5297b8f4;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 9c51b446..6295ce52 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/Webview.java +++ b/app/src/main/java/com/stoutner/privacybrowser/Webview.java @@ -1,3 +1,22 @@ +/** + * 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; @@ -22,10 +41,9 @@ 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.WebView; import android.webkit.WebViewClient; import android.widget.EditText; @@ -42,8 +60,29 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc // 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; + + /* 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; // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled. @SuppressLint("SetJavaScriptEnabled") @@ -53,11 +92,12 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc 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 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); @@ -96,9 +136,11 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc 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 @@ -153,7 +195,9 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc // 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); @@ -183,7 +227,9 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc // Exit full screen video public void onHideCustomView() { - getSupportActionBar().show(); + if (getSupportActionBar() != null) { + getSupportActionBar().show(); + } mainWebView.setVisibility(View.VISIBLE); @@ -192,6 +238,7 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc } }); + // Allow the downloading of files. mainWebView.setDownloadListener(new DownloadListener() { // Launch the Android download manager when a link leads to a download. @Override @@ -220,11 +267,24 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc mainWebView.getSettings().setDisplayZoomControls(false); } - // Enable JavaScript. - mainWebView.getSettings().setJavaScriptEnabled(true); + // Set JavaScript initial status. + enableJavaScript = true; + mainWebView.getSettings().setJavaScriptEnabled(enableJavaScript); + + // Set DOM Storage initial status. + enableDomStorage = true; + 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. + cookieManager = CookieManager.getInstance(); + enableCookies = true; + cookieManager.setAcceptCookie(enableCookies); // Get the intent information that started the app. final Intent intent = getIntent(); @@ -248,35 +308,136 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc 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); + MenuItem clearCookies = menu.findItem(R.id.clearCookies); + + // 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); + + // Disable Clear Cookies if there are none. + clearCookies.setEnabled(cookieManager.hasCookies()); + 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()); + + // 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") 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.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. @@ -284,7 +445,7 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc 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. @@ -298,7 +459,7 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc e.printStackTrace(); } } - break; + return true; case R.id.shareURL: // Make sure that actionBar is not null. @@ -310,7 +471,7 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc 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. @@ -318,7 +479,7 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc shortcutDialog.show(getSupportFragmentManager(), "createShortcut"); //Everything else will be handled by CreateHomeScreenShortcut and the associated listeners below. - break; + return true; case R.id.downloads: // Launch the system Download Manager. @@ -328,10 +489,17 @@ public class Webview extends AppCompatActivity implements CreateHomeScreenShortc downloadManangerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(downloadManangerIntent); - break; - } + return true; - return super.onOptionsItemSelected(menuItem); + case R.id.about: + // Show the AboutDialog AlertDialog and name this instance aboutDialog. + AppCompatDialogFragment aboutDialog = new AboutDialog(); + aboutDialog.show(getSupportFragmentManager(), "aboutDialog"); + return true; + + default: + return super.onOptionsItemSelected(menuItem); + } } @Override