/*
- * Copyright © 2017-2018 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2017-2019 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
*
import android.os.Bundle;
import android.os.LocaleList;
import android.preference.PreferenceManager;
-import android.support.v4.app.NavUtils;
-import android.support.v4.widget.SwipeRefreshLayout;
-import android.support.v7.app.ActionBar;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.style.ForegroundColorSpan;
import android.widget.ProgressBar;
import android.widget.TextView;
+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.core.app.NavUtils;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+
import com.stoutner.privacybrowser.R;
import com.stoutner.privacybrowser.dialogs.AboutViewSourceDialog;
// Set the content view.
setContentView(R.layout.view_source_coordinatorlayout);
- // `SupportActionBar` from `android.support.v7.app.ActionBar` must be used until the minimum API is >= 21.
- Toolbar viewSourceAppBar = findViewById(R.id.view_source_toolbar);
- setSupportActionBar(viewSourceAppBar);
+ // The AndroidX toolbar must be used until the minimum API is >= 21.
+ Toolbar toolbar = findViewById(R.id.view_source_toolbar);
+ setSupportActionBar(toolbar);
- // Setup the app bar.
- final ActionBar appBar = getSupportActionBar();
+ // Get a handle for the action bar.
+ final ActionBar actionBar = getSupportActionBar();
- // Remove the incorrect warning in Android Studio that appBar might be null.
- assert appBar != null;
+ // Remove the incorrect lint warning that the action bar might be null.
+ assert actionBar != null;
- // Add the custom layout to the app bar.
- appBar.setCustomView(R.layout.view_source_app_bar);
- appBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
+ // Add the custom layout to 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.
EditText urlEditText = findViewById(R.id.url_edittext);
// Hide the soft keyboard.
inputMethodManager.hideSoftInputFromWindow(urlEditText.getWindowToken(), 0);
+ // Move to the beginning of the string.
+ urlEditText.setSelection(0);
+
// Reapply the highlighting.
highlightUrlText();
-
-
}
});
// Remove the focus from the URL box.
urlEditText.clearFocus();
- // Get new source data for the current URL.
- new GetSource(this).execute(urlEditText.getText().toString());
+ // Get the URL.
+ String url = urlEditText.getText().toString();
+
+ // Get new source data for the current URL if it beings with `http`.
+ if (url.startsWith("http")) {
+ new GetSource(this).execute(url);
+ }
// Consume the key press.
return true;
// Implement swipe to refresh.
SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.view_source_swiperefreshlayout);
- swipeRefreshLayout.setOnRefreshListener(() -> new GetSource(this).execute(urlEditText.getText().toString()));
+ swipeRefreshLayout.setOnRefreshListener(() -> {
+ // Get the URL.
+ String url = urlEditText.getText().toString();
+
+ // Get new source data for the URL if it begins with `http`.
+ if (url.startsWith("http")) {
+ new GetSource(this).execute(url);
+ } else {
+ // Stop the refresh animation.
+ swipeRefreshLayout.setRefreshing(false);
+ }
+ });
// Set the swipe to refresh color according to the theme.
if (MainWebViewActivity.darkTheme) {
swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
}
- // Get the source using an AsyncTask.
- new GetSource(this).execute(formattedUrlString);
+ // Get the source using an AsyncTask if the URL begins with `http`.
+ if (formattedUrlString.startsWith("http")) {
+ new GetSource(this).execute(formattedUrlString);
+ }
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
- // Inflate the menu; this adds items to the action bar if it is present.
+ // Inflate the menu. This adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.view_source_options_menu, menu);
// Display the menu.
// Get the URL string.
String urlString = urlEditText.getText().toString();
- // Get the index of the `/` immediately after the domain name.
- int endOfDomainName = urlString.indexOf("/", (urlString.indexOf("//") + 2));
+ // Highlight the URL according to the protocol.
+ if (urlString.startsWith("file://")) { // This is a file URL.
+ // De-emphasize only the protocol.
+ urlEditText.getText().setSpan(initialGrayColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ } else if (urlString.startsWith("content://")) {
+ // De-emphasize only the protocol.
+ urlEditText.getText().setSpan(initialGrayColorSpan, 0, 10, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ } else { // This is a web URL.
+ // Get the index of the `/` immediately after the domain name.
+ int endOfDomainName = urlString.indexOf("/", (urlString.indexOf("//") + 2));
- // Create a base URL string.
- String baseUrl;
+ // Create a base URL string.
+ String baseUrl;
- // Get the base URL.
- if (endOfDomainName > 0) { // There is at least one character after the base URL.
// Get the base URL.
- baseUrl = urlString.substring(0, endOfDomainName);
- } else { // There are no characters after the base URL.
- // Set the base URL to be the entire URL string.
- baseUrl = urlString;
- }
+ if (endOfDomainName > 0) { // There is at least one character after the base URL.
+ // Get the base URL.
+ baseUrl = urlString.substring(0, endOfDomainName);
+ } else { // There are no characters after the base URL.
+ // Set the base URL to be the entire URL string.
+ baseUrl = urlString;
+ }
- // Get the index of the last `.` in the domain.
- int lastDotIndex = baseUrl.lastIndexOf(".");
+ // Get the index of the last `.` in the domain.
+ int lastDotIndex = baseUrl.lastIndexOf(".");
- // Get the index of the penultimate `.` in the domain.
- int penultimateDotIndex = baseUrl.lastIndexOf(".", lastDotIndex - 1);
+ // Get the index of the penultimate `.` in the domain.
+ int penultimateDotIndex = baseUrl.lastIndexOf(".", lastDotIndex - 1);
- // Markup the beginning of the URL.
- if (urlString.startsWith("http://")) { // Highlight the protocol of connections that are not encrypted.
- urlEditText.getText().setSpan(redColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ // Markup the beginning of the URL.
+ if (urlString.startsWith("http://")) { // Highlight the protocol of connections that are not encrypted.
+ urlEditText.getText().setSpan(redColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- // De-emphasize subdomains.
- if (penultimateDotIndex > 0) { // There is more than one subdomain in the domain name.
- urlEditText.getText().setSpan(initialGrayColorSpan, 7, penultimateDotIndex + 1, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- }
- } else if (urlString.startsWith("https://")) { // De-emphasize the protocol of connections that are encrypted.
- if (penultimateDotIndex > 0) { // There is more than one subdomain in the domain name.
- // De-emphasize the protocol and the additional subdomains.
- urlEditText.getText().setSpan(initialGrayColorSpan, 0, penultimateDotIndex + 1, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- } else { // There is only one subdomain in the domain name.
- // De-emphasize only the protocol.
- urlEditText.getText().setSpan(initialGrayColorSpan, 0, 8, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ // De-emphasize subdomains.
+ if (penultimateDotIndex > 0) { // There is more than one subdomain in the domain name.
+ urlEditText.getText().setSpan(initialGrayColorSpan, 7, penultimateDotIndex + 1, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ }
+ } else if (urlString.startsWith("https://")) { // De-emphasize the protocol of connections that are encrypted.
+ if (penultimateDotIndex > 0) { // There is more than one subdomain in the domain name.
+ // De-emphasize the protocol and the additional subdomains.
+ urlEditText.getText().setSpan(initialGrayColorSpan, 0, penultimateDotIndex + 1, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ } else { // There is only one subdomain in the domain name.
+ // De-emphasize only the protocol.
+ urlEditText.getText().setSpan(initialGrayColorSpan, 0, 8, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ }
}
- }
- // De-emphasize the text after the domain name.
- if (endOfDomainName > 0) {
- urlEditText.getText().setSpan(finalGrayColorSpan, endOfDomainName, urlString.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ // De-emphasize the text after the domain name.
+ if (endOfDomainName > 0) {
+ urlEditText.getText().setSpan(finalGrayColorSpan, endOfDomainName, urlString.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
+ }
}
}
- // `String` declares the parameters. `Void` does not declare progress units. `String[]` contains the results.
+ // `String` declares the parameters. `Void` does not declare progress units. `SpannableStringBuilder[]` contains the results.
private static class GetSource extends AsyncTask<String, Void, SpannableStringBuilder[]> {
// Create a weak reference to the calling activity.
private WeakReference<Activity> activityWeakReference;
Activity viewSourceActivity = activityWeakReference.get();
// Abort if the activity is gone.
- if ((viewSourceActivity == null) || (viewSourceActivity.isFinishing())) {
+ if ((viewSourceActivity == null) || viewSourceActivity.isFinishing()) {
return;
}
Activity activity = activityWeakReference.get();
// Abort if the activity is gone.
- if ((activity == null) || (activity.isFinishing())) {
+ if ((activity == null) || activity.isFinishing()) {
return new SpannableStringBuilder[] {requestHeadersBuilder, responseMessageBuilder, responseHeadersBuilder, responseBodyBuilder};
}
// `onPostExecute()` operates on the UI thread.
@Override
protected void onPostExecute(SpannableStringBuilder[] viewSourceStringArray){
- // Get a handle the activity.
+ // Get a handle for the activity.
Activity activity = activityWeakReference.get();
// Abort if the activity is gone.
- if ((activity == null) || (activity.isFinishing())) {
+ if ((activity == null) || activity.isFinishing()) {
return;
}