import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
+import android.os.Build;
import android.os.Bundle;
+import android.os.LocaleList;
import android.preference.PreferenceManager;
import android.text.Spanned;
import android.text.style.ForegroundColorSpan;
import android.view.WindowManager;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;
+import android.widget.ProgressBar;
+import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.widget.Toolbar; // The AndroidX toolbar must be used until the minimum API is >= 21.
+import androidx.appcompat.widget.Toolbar;
import androidx.core.app.NavUtils;
import androidx.fragment.app.DialogFragment;
+import androidx.lifecycle.ViewModelProvider;
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+import com.google.android.material.snackbar.Snackbar;
import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.asynctasks.GetSource;
import com.stoutner.privacybrowser.dialogs.AboutViewSourceDialog;
+import com.stoutner.privacybrowser.helpers.ProxyHelper;
+import com.stoutner.privacybrowser.viewmodelfactories.WebViewSourceFactory;
+import com.stoutner.privacybrowser.viewmodels.WebViewSource;
+
+import java.net.Proxy;
+import java.util.Locale;
public class ViewSourceActivity extends AppCompatActivity {
// `activity` is used in `onCreate()` and `goBack()`.
String userAgent = intent.getStringExtra("user_agent");
String currentUrl = intent.getStringExtra("current_url");
+ // Remove the incorrect lint warning below that the user agent might be null.
+ assert userAgent != null;
+
// Store a handle for the current activity.
activity = this;
// Set the content view.
setContentView(R.layout.view_source_coordinatorlayout);
- // The AndroidX toolbar must be used until the minimum API is >= 21.
+ // Get a handle for the toolbar.
Toolbar toolbar = findViewById(R.id.view_source_toolbar);
+
+ // Set the support action bar.
setSupportActionBar(toolbar);
// Get a handle for the action bar.
actionBar.setCustomView(R.layout.view_source_app_bar);
actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
- // Get a handle for the url text box.
+ // Get handles for the views.
EditText urlEditText = findViewById(R.id.url_edittext);
+ TextView requestHeadersTextView = findViewById(R.id.request_headers);
+ TextView responseMessageTextView = findViewById(R.id.response_message);
+ TextView responseHeadersTextView = findViewById(R.id.response_headers);
+ TextView responseBodyTextView = findViewById(R.id.response_body);
+ ProgressBar progressBar = findViewById(R.id.progress_bar);
+ SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.view_source_swiperefreshlayout);
// Populate the URL text box.
urlEditText.setText(currentUrl);
- // Initialize the foreground color spans for highlighting the URLs. We have to use the deprecated `getColor()` until API >= 23.
- redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
+ // Initialize the gray foreground color spans for highlighting the URLs. The deprecated `getResources()` must be used until API >= 23.
initialGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
finalGrayColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.gray_500));
+ // Get the current theme status.
+ int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+
+ // Set the red color span according to the theme.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_a700));
+ } else {
+ redColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.red_900));
+ }
+
// Apply text highlighting to the URL.
highlightUrlText();
}
});
- // Set the go button on the keyboard to request new source data.
- urlEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
- // Request new source data if the enter key was pressed.
- if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
- // Hide the soft keyboard.
- inputMethodManager.hideSoftInputFromWindow(urlEditText.getWindowToken(), 0);
+ // Set the refresh color scheme according to the theme.
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
+ swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
+ } else {
+ swipeRefreshLayout.setColorSchemeResources(R.color.violet_500);
+ }
- // Remove the focus from the URL box.
- urlEditText.clearFocus();
+ // Initialize a color background typed value.
+ TypedValue colorBackgroundTypedValue = new TypedValue();
- // Get the URL.
- String url = urlEditText.getText().toString();
+ // Get the color background from the theme.
+ getTheme().resolveAttribute(android.R.attr.colorBackground, colorBackgroundTypedValue, true);
+
+ // Get the color background int from the typed value.
+ int colorBackgroundInt = colorBackgroundTypedValue.data;
+
+ // Set the swipe refresh background color.
+ swipeRefreshLayout.setProgressBackgroundColorSchemeColor(colorBackgroundInt);
- // Get new source data for the current URL if it beings with `http`.
- if (url.startsWith("http")) {
- new GetSource(this, this, userAgent).execute(url);
+ // Get the Do Not Track status.
+ boolean doNotTrack = sharedPreferences.getBoolean("do_not_track", false);
+
+ // Instantiate a locale string.
+ String localeString;
+
+ // Populate the locale string.
+ if (Build.VERSION.SDK_INT >= 24) { // SDK >= 24 has a list of locales.
+ // Get the list of locales.
+ LocaleList localeList = getResources().getConfiguration().getLocales();
+
+ // Initialize a string builder to extract the locales from the list.
+ StringBuilder localesStringBuilder = new StringBuilder();
+
+ // Initialize a `q` value, which is used by `WebView` to indicate the order of importance of the languages.
+ int q = 10;
+
+ // Populate the string builder with the contents of the locales list.
+ for (int i = 0; i < localeList.size(); i++) {
+ // Append a comma if there is already an item in the string builder.
+ if (i > 0) {
+ localesStringBuilder.append(",");
}
- // Consume the key press.
- return true;
- } else {
- // Do not consume the key press.
- return false;
+ // Get the locale from the list.
+ Locale locale = localeList.get(i);
+
+ // Add the locale to the string. `locale` by default displays as `en_US`, but WebView uses the `en-US` format.
+ localesStringBuilder.append(locale.getLanguage());
+ localesStringBuilder.append("-");
+ localesStringBuilder.append(locale.getCountry());
+
+ // If not the first locale, append `;q=0.x`, which drops by .1 for each removal from the main locale until q=0.1.
+ if (q < 10) {
+ localesStringBuilder.append(";q=0.");
+ localesStringBuilder.append(q);
+ }
+
+ // Decrement `q` if it is greater than 1.
+ if (q > 1) {
+ q--;
+ }
+
+ // Add a second entry for the language only portion of the locale.
+ localesStringBuilder.append(",");
+ localesStringBuilder.append(locale.getLanguage());
+
+ // Append `1;q=0.x`, which drops by .1 for each removal form the main locale until q=0.1.
+ localesStringBuilder.append(";q=0.");
+ localesStringBuilder.append(q);
+
+ // Decrement `q` if it is greater than 1.
+ if (q > 1) {
+ q--;
+ }
}
+
+ // Store the populated string builder in the locale string.
+ localeString = localesStringBuilder.toString();
+ } else { // SDK < 24 only has a primary locale.
+ // Store the locale in the locale string.
+ localeString = Locale.getDefault().toString();
+ }
+
+ // Instantiate the proxy helper.
+ ProxyHelper proxyHelper = new ProxyHelper();
+
+ // Get the current proxy.
+ Proxy proxy = proxyHelper.getCurrentProxy(this);
+
+ // Make the progress bar visible.
+ progressBar.setVisibility(View.VISIBLE);
+
+ // Set the progress bar to be indeterminate.
+ progressBar.setIndeterminate(true);
+
+ // Instantiate the WebView source factory.
+ ViewModelProvider.Factory webViewSourceFactory = new WebViewSourceFactory(currentUrl, userAgent, doNotTrack, localeString, proxy, MainWebViewActivity.executorService);
+
+ // Instantiate the WebView source view model class.
+ final WebViewSource webViewSource = new ViewModelProvider(this, webViewSourceFactory).get(WebViewSource.class);
+
+ // Create a source observer.
+ webViewSource.observeSource().observe(this, sourceStringArray -> {
+ // Populate the text views. This can take a long time, and freezes the user interface, if the response body is particularly large.
+ requestHeadersTextView.setText(sourceStringArray[0]);
+ responseMessageTextView.setText(sourceStringArray[1]);
+ responseHeadersTextView.setText(sourceStringArray[2]);
+ responseBodyTextView.setText(sourceStringArray[3]);
+
+ // Hide the progress bar.
+ progressBar.setIndeterminate(false);
+ progressBar.setVisibility(View.GONE);
+
+ //Stop the swipe to refresh indicator if it is running
+ swipeRefreshLayout.setRefreshing(false);
});
- // Get a handle for the swipe refresh layout.
- SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.view_source_swiperefreshlayout);
+ // Create an error observer.
+ webViewSource.observeErrors().observe(this, errorString -> {
+ // Display an error snackbar if the string is not `""`.
+ if (!errorString.equals("")) {
+ Snackbar.make(swipeRefreshLayout, errorString, Snackbar.LENGTH_LONG).show();
+ }
+ });
// Implement swipe to refresh.
swipeRefreshLayout.setOnRefreshListener(() -> {
+ // Make the progress bar visible.
+ progressBar.setVisibility(View.VISIBLE);
+
+ // Set the progress bar to be indeterminate.
+ progressBar.setIndeterminate(true);
+
// Get the URL.
- String url = urlEditText.getText().toString();
+ String urlString = urlEditText.getText().toString();
- // Get new source data for the URL if it begins with `http`.
- if (url.startsWith("http")) {
- new GetSource(this, this, userAgent).execute(url);
- } else {
- // Stop the refresh animation.
- swipeRefreshLayout.setRefreshing(false);
- }
+ // Get the updated source.
+ webViewSource.updateSource(urlString);
});
- // Get the current theme status.
- int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+ // Set the go button on the keyboard to request new source data.
+ urlEditText.setOnKeyListener((View v, int keyCode, KeyEvent event) -> {
+ // Request new source data if the enter key was pressed.
+ if ((event.getAction() == KeyEvent.ACTION_DOWN) && (keyCode == KeyEvent.KEYCODE_ENTER)) {
+ // Hide the soft keyboard.
+ inputMethodManager.hideSoftInputFromWindow(urlEditText.getWindowToken(), 0);
- // Set the refresh color scheme according to the theme.
- if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES) {
- swipeRefreshLayout.setColorSchemeResources(R.color.blue_500);
- } else {
- swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
- }
+ // Remove the focus from the URL box.
+ urlEditText.clearFocus();
- // Initialize a color background typed value.
- TypedValue colorBackgroundTypedValue = new TypedValue();
+ // Make the progress bar visible.
+ progressBar.setVisibility(View.VISIBLE);
- // Get the color background from the theme.
- getTheme().resolveAttribute(android.R.attr.colorBackground, colorBackgroundTypedValue, true);
+ // Set the progress bar to be indeterminate.
+ progressBar.setIndeterminate(true);
- // Get the color background int from the typed value.
- int colorBackgroundInt = colorBackgroundTypedValue.data;
+ // Get the URL.
+ String urlString = urlEditText.getText().toString();
- // Set the swipe refresh background color.
- swipeRefreshLayout.setProgressBackgroundColorSchemeColor(colorBackgroundInt);
+ // Get the updated source.
+ webViewSource.updateSource(urlString);
- // Get the source using an AsyncTask if the URL begins with `http`.
- if ((currentUrl != null) && currentUrl.startsWith("http")) {
- new GetSource(this, this, userAgent).execute(currentUrl);
- }
+ // Consume the key press.
+ return true;
+ } else {
+ // Do not consume the key press.
+ return false;
+ }
+ });
}
@Override
projects / PrivacyBrowserAndroid.git / blobdiff