import android.text.Spanned;
import android.text.TextWatcher;
import android.text.style.ForegroundColorSpan;
-import android.text.style.StyleSpan;
import android.util.Patterns;
import android.view.ContextMenu;
import android.view.GestureDetector;
public class MainWebViewActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcutDialog.CreateHomeScreenSchortcutListener,
SslCertificateErrorDialog.SslCertificateErrorListener, DownloadFileDialog.DownloadFileListener, DownloadImageDialog.DownloadImageListener, UrlHistoryDialog.UrlHistoryListener {
- // `darkTheme` is public static so it can be accessed from `AboutActivity`, `GuideActivity`, `AddDomainDialog`, `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `DownloadFileDialog`, `DownloadImageDialog`, `EditBookmarkDialog`,
- // `EditBookmarkFolderDialog`, `MoveToFolderDialog`, `SslCertificateErrorDialog`, `UrlHistoryDialog`, `ViewSslCertificateDialog`, `CreateHomeScreenShortcutDialog`, and `OrbotProxyHelper`.
- // It is also used in `onCreate()`, `applyAppSettings()`, and `applyDomainSettings()`.
+ // `darkTheme` is public static so it can be accessed from `AboutActivity`, `GuideActivity`, `AddDomainDialog`, `SettingsActivity`, `DomainsActivity`, `DomainsListFragment`, `BookmarksActivity`, `BookmarksDatabaseViewActivity`,
+ // `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `DownloadFileDialog`, `DownloadImageDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog`, `MoveToFolderDialog`, `SslCertificateErrorDialog`, `UrlHistoryDialog`, `ViewSslCertificateDialog`,
+ // `CreateHomeScreenShortcutDialog`, and `OrbotProxyHelper`. It is also used in `onCreate()`, `applyAppSettings()`, `applyDomainSettings()`, and `updatePrivacyIcons()`.
public static boolean darkTheme;
// `favoriteIconBitmap` is public static so it can be accessed from `CreateHomeScreenShortcutDialog`, `BookmarksActivity`, `CreateBookmarkDialog`, `CreateBookmarkFolderDialog`, `EditBookmarkDialog`, `EditBookmarkFolderDialog`, `ViewSslCertificateDialog`.
// `finalGrayColorSpam` is used in `onCreate()` and `highlightUrlText()`.
private ForegroundColorSpan finalGrayColorSpan;
- // `boldStyleSpan` is used in `onCreate()` and `highlightUrlText()`.
- private StyleSpan boldStyleSpan;
-
// `adView` is used in `onCreate()` and `onConfigurationChanged()`.
private View adView;
// `mainWebViewRelativeLayout` is used in `onCreate()` and `onNavigationItemSelected()`.
private RelativeLayout mainWebViewRelativeLayout;
+ // `urlIsLoading` is used in `onCreate()`, `loadUrl()`, and `applyDomainSettings()`.
+ private boolean urlIsLoading;
+
@Override
// Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled. The whole premise of Privacy Browser is built around an understanding of these dangers.
@SuppressLint("SetJavaScriptEnabled")
redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
initialGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
finalGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
- boldStyleSpan = new StyleSpan(Typeface.BOLD);
// Get a handle for `urlTextBox`.
urlTextBox = (EditText) appBar.getCustomView().findViewById(R.id.url_edittext);
urlTextBox.getText().removeSpan(redColorSpan);
urlTextBox.getText().removeSpan(initialGrayColorSpan);
urlTextBox.getText().removeSpan(finalGrayColorSpan);
- urlTextBox.getText().removeSpan(boldStyleSpan);
} else { // The user has stopped editing `urlTextBox`.
// Reapply the highlighting.
highlightUrlText();
-
- // Scroll to the beginning of the text.
- urlTextBox.setScrollX(0);
}
}
});
if (navigatingHistory) {
applyDomainSettings(url);
}
+
+ // Set `urlIsLoading` to `true`, so that redirects while loading do not trigger changes in the user agent, which forces another reload of the existing page.
+ urlIsLoading = true;
}
}
// 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) {
+ // Reset `urlIsLoading`, which is used to prevent reloads on redirect if the user agent changes.
+ urlIsLoading = false;
+
// Clear the cache and history if Incognito Mode is enabled.
if (incognitoModeEnabled) {
// Clear the cache. `true` includes disk files.
// Load the URL.
mainWebView.loadUrl(url, customHeaders);
+
+ // Set `urlIsLoading` to prevent changes in the user agent on websites with redirects from reloading the current website.
+ urlIsLoading = true;
}
public void findPreviousOnPage(View view) {
// Get a handle for the shared preference. `this` references the current context.
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+ // Store the default font size and user agent information.
+ String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
+ String defaultUserAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
+ String defaultCustomUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
+
if (domainSettingsApplied) { // The url we are loading has custom domain settings.
// Get a cursor for the current host and move it to the first position.
Cursor currentHostDomainSettingsCursor = domainsDatabaseHelper.getCursorForDomainName(domainNameInDatabase);
cookieManager.setAcceptCookie(firstPartyCookiesEnabled);
mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled);
mainWebView.getSettings().setSaveFormData(saveFormDataEnabled);
- mainWebView.getSettings().setTextZoom(fontSize);
+
+ // Apply the font size.
+ if (fontSize == 0) { // Apply the default font size.
+ mainWebView.getSettings().setTextZoom(Integer.valueOf(defaultFontSizeString));
+ } else { // Apply the specified font size.
+ mainWebView.getSettings().setTextZoom(fontSize);
+ }
// Set third-party cookies status if API >= 21.
if (Build.VERSION.SDK_INT >= 21) {
cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
}
- // Set the user agent.
- if (userAgentString.equals("WebView default user agent")) {
- // Set the user agent to `""`, which uses the default value.
- mainWebView.getSettings().setUserAgentString("");
- } else {
- // Use the selected user agent.
- mainWebView.getSettings().setUserAgentString(userAgentString);
+ // Only set the user agent if the webpage is not currently loading. Otherwise, changing the user agent on redirects can cause the original website to reload. <https://redmine.stoutner.com/issues/160>
+ if (!urlIsLoading) {
+ switch (userAgentString) {
+ case "System default user agent":
+ // Set the user agent according to the system default.
+ switch (defaultUserAgentString) {
+ case "WebView default user agent":
+ // Set the user agent to `""`, which uses the default value.
+ mainWebView.getSettings().setUserAgentString("");
+ break;
+
+ case "Custom user agent":
+ // Set the custom user agent.
+ mainWebView.getSettings().setUserAgentString(defaultCustomUserAgentString);
+ break;
+
+ default:
+ // Use the selected user agent.
+ mainWebView.getSettings().setUserAgentString(defaultUserAgentString);
+ }
+ break;
+
+ case "WebView default user agent":
+ // Set the user agent to `""`, which uses the default value.
+ mainWebView.getSettings().setUserAgentString("");
+ break;
+
+ default:
+ // Use the selected user agent.
+ mainWebView.getSettings().setUserAgentString(userAgentString);
+ }
}
// Set a green background on `urlTextBox` to indicate that custom domain settings are being used. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
thirdPartyCookiesEnabled = sharedPreferences.getBoolean("third_party_cookies_enabled", false);
domStorageEnabled = sharedPreferences.getBoolean("dom_storage_enabled", false);
saveFormDataEnabled = sharedPreferences.getBoolean("save_form_data_enabled", false);
- String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0");
- String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0");
- String defaultFontSizeString = sharedPreferences.getString("default_font_size", "100");
// Apply the default settings.
mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled);
cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled);
}
- // Set the default user agent.
- switch (userAgentString) {
- case "WebView default user agent":
- // Set the user agent to `""`, which uses the default value.
- mainWebView.getSettings().setUserAgentString("");
- break;
-
- case "Custom user agent":
- // Set the custom user agent.
- mainWebView.getSettings().setUserAgentString(customUserAgentString);
- break;
-
- default:
- // Use the selected user agent.
- mainWebView.getSettings().setUserAgentString(userAgentString);
- break;
+ // Only set the user agent if the webpage is not currently loading. Otherwise, changing the user agent on redirects can cause the original website to reload. <https://redmine.stoutner.com/issues/160>
+ if (!urlIsLoading) {
+ switch (defaultUserAgentString) {
+ case "WebView default user agent":
+ // Set the user agent to `""`, which uses the default value.
+ mainWebView.getSettings().setUserAgentString("");
+ break;
+
+ case "Custom user agent":
+ // Set the custom user agent.
+ mainWebView.getSettings().setUserAgentString(defaultCustomUserAgentString);
+ break;
+
+ default:
+ // Use the selected user agent.
+ mainWebView.getSettings().setUserAgentString(defaultUserAgentString);
+ }
}
// Set a transparent background on `urlTextBox`. We have to use the deprecated `.getDrawable()` until the minimum API >= 21.
if (firstPartyCookiesEnabled) { // First-party cookies are enabled.
firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_enabled);
} else { // First-party cookies are disabled.
- firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled);
+ if (darkTheme) {
+ firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled_dark);
+ } else {
+ firstPartyCookiesIconMenuItem.setIcon(R.drawable.cookies_disabled_light);
+ }
}
// Update `domStorageIcon`.
if (javaScriptEnabled && domStorageEnabled) { // Both JavaScript and DOM storage are enabled.
domStorageIconMenuItem.setIcon(R.drawable.dom_storage_enabled);
} else if (javaScriptEnabled) { // JavaScript is enabled but DOM storage is disabled.
- domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled);
+ if (darkTheme) {
+ domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled_dark);
+ } else {
+ domStorageIconMenuItem.setIcon(R.drawable.dom_storage_disabled_light);
+ }
} else { // JavaScript is disabled, so DOM storage is ghosted.
- domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted);
+ if (darkTheme) {
+ domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted_dark);
+ } else {
+ domStorageIconMenuItem.setIcon(R.drawable.dom_storage_ghosted_light);
+ }
}
// Update `formDataIcon`.
if (saveFormDataEnabled) { // Form data is enabled.
formDataIconMenuItem.setIcon(R.drawable.form_data_enabled);
} else { // Form data is disabled.
- formDataIconMenuItem.setIcon(R.drawable.form_data_disabled);
+ if (darkTheme) {
+ formDataIconMenuItem.setIcon(R.drawable.form_data_disabled_dark);
+ } else {
+ formDataIconMenuItem.setIcon(R.drawable.form_data_disabled_light);
+ }
}
// `invalidateOptionsMenu` calls `onPrepareOptionsMenu()` and redraws the icons in the `AppBar`. `this` references the current activity.
if (urlString.startsWith("http://")) { // Highlight connections that are not encrypted.
urlTextBox.getText().setSpan(redColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- urlTextBox.getText().setSpan(boldStyleSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
} else if (urlString.startsWith("https://")) { // Highlight connections that are encrypted.
urlTextBox.getText().setSpan(initialGrayColorSpan, 0, 8, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
}