]> gitweb.stoutner.com Git - PrivacyBrowserAndroid.git/blobdiff - app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java
Detect the Google Play flavor of I2P. https://redmine.stoutner.com/issues/895
[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / activities / MainWebViewActivity.java
index db9538141593b79d894428c64bc3ba062c3dd8ea..08ab30c351efe3b04ae84c1d1ef1731097c57dda 100644 (file)
@@ -99,6 +99,7 @@ import android.widget.RadioButton;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
 
+import androidx.activity.OnBackPressedCallback;
 import androidx.activity.result.ActivityResultCallback;
 import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
@@ -609,6 +610,48 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
         // Apply the app settings from the shared preferences.
         applyAppSettings();
 
+        // Control what the system back command does.
+        OnBackPressedCallback onBackPressedCallback = new OnBackPressedCallback(true) {
+            @Override
+            public void handleOnBackPressed() {
+                // Process the different back options.
+                if (drawerLayout.isDrawerVisible(GravityCompat.START)) {  // The navigation drawer is open.
+                    // Close the navigation drawer.
+                    drawerLayout.closeDrawer(GravityCompat.START);
+                } else if (drawerLayout.isDrawerVisible(GravityCompat.END)){  // The bookmarks drawer is open.
+                    // close the bookmarks drawer.
+                    drawerLayout.closeDrawer(GravityCompat.END);
+                } else if (displayingFullScreenVideo) {  // A full screen video is shown.
+                    // Exit the full screen video.
+                    exitFullScreenVideo();
+                } else if (currentWebView.canGoBack()) {  // There is at least one item in the current WebView history.
+                    // Get the current web back forward list.
+                    WebBackForwardList webBackForwardList = currentWebView.copyBackForwardList();
+
+                    // Get the previous entry URL.
+                    String previousUrl = webBackForwardList.getItemAtIndex(webBackForwardList.getCurrentIndex() - 1).getUrl();
+
+                    // Apply the domain settings.
+                    applyDomainSettings(currentWebView, previousUrl, false, false, false);
+
+                    // Go back.
+                    currentWebView.goBack();
+                } else if (tabLayout.getTabCount() > 1) {  // There are at least two tabs.
+                    // Close the current tab.
+                    closeCurrentTab();
+                } else {  // There isn't anything to do in Privacy Browser.
+                    // Close Privacy Browser.  `finishAndRemoveTask()` also removes Privacy Browser from the recent app list.
+                    finishAndRemoveTask();
+
+                    // Manually kill Privacy Browser.  Otherwise, it is glitchy when restarted.
+                    System.exit(0);
+                }
+            }
+        };
+
+        // Register the on back pressed callback.
+        getOnBackPressedDispatcher().addCallback(this, onBackPressedCallback);
+
         // Populate the blocklists.
         populateBlocklists = new PopulateBlocklists(this, this).execute();
     }
@@ -2767,43 +2810,6 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
         bookmarksCursorAdapter.changeCursor(bookmarksCursor);
     }
 
-    // Override `onBackPressed()` to handle the navigation drawer and and the WebViews.
-    @Override
-    public void onBackPressed() {
-        // Check the different options for processing `back`.
-        if (drawerLayout.isDrawerVisible(GravityCompat.START)) {  // The navigation drawer is open.
-            // Close the navigation drawer.
-            drawerLayout.closeDrawer(GravityCompat.START);
-        } else if (drawerLayout.isDrawerVisible(GravityCompat.END)){  // The bookmarks drawer is open.
-            // close the bookmarks drawer.
-            drawerLayout.closeDrawer(GravityCompat.END);
-        } else if (displayingFullScreenVideo) {  // A full screen video is shown.
-            // Exit the full screen video.
-            exitFullScreenVideo();
-        } else if (currentWebView.canGoBack()) {  // There is at least one item in the current WebView history.
-            // Get the current web back forward list.
-            WebBackForwardList webBackForwardList = currentWebView.copyBackForwardList();
-
-            // Get the previous entry URL.
-            String previousUrl = webBackForwardList.getItemAtIndex(webBackForwardList.getCurrentIndex() - 1).getUrl();
-
-            // Apply the domain settings.
-            applyDomainSettings(currentWebView, previousUrl, false, false, false);
-
-            // Go back.
-            currentWebView.goBack();
-        } else if (tabLayout.getTabCount() > 1) {  // There are at least two tabs.
-            // Close the current tab.
-            closeCurrentTab();
-        } else {  // There isn't anything to do in Privacy Browser.
-            // Close Privacy Browser.  `finishAndRemoveTask()` also removes Privacy Browser from the recent app list.
-            finishAndRemoveTask();
-
-            // Manually kill Privacy Browser.  Otherwise, it is glitchy when restarted.
-            System.exit(0);
-        }
-    }
-
     // Process the results of a file browse.
     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent returnedIntent) {
@@ -4329,27 +4335,31 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                 } else {
                     appBarLayout.setBackgroundResource(R.color.dark_blue_30);
                 }
+                // Get the package manager.
+                PackageManager packageManager = getPackageManager();
 
                 // Check to see if I2P is installed.
                 try {
-                    // Get the package manager.
-                    PackageManager packageManager = getPackageManager();
-
-                    // Check to see if I2P is in the list.  This will throw an error and drop to the catch section if it isn't installed.
+                    // Check to see if the F-Droid flavor is installed.  This will throw an error and drop to the catch section if it isn't installed.
                     packageManager.getPackageInfo("net.i2p.android.router", 0);
-                } catch (PackageManager.NameNotFoundException exception) {  // I2P is not installed.
-                    // Sow the I2P not installed dialog if it is not already displayed.
-                    if (getSupportFragmentManager().findFragmentByTag(getString(R.string.proxy_not_installed_dialog)) == null) {
-                        // Get a handle for the waiting for proxy alert dialog.
-                        DialogFragment i2pNotInstalledDialogFragment = ProxyNotInstalledDialog.displayDialog(proxyMode);
+                } catch (PackageManager.NameNotFoundException fdroidException) {  // The F-Droid flavor is not installed.
+                    try {
+                        // Check to see if the Google Play flavor is installed.  This will throw an error and drop to the catch section if it isn't installed.
+                        packageManager.getPackageInfo("net.i2p.android", 0);
+                    } catch (PackageManager.NameNotFoundException googlePlayException) {  // The Google Play flavor is not installed.
+                        // Sow the I2P not installed dialog if it is not already displayed.
+                        if (getSupportFragmentManager().findFragmentByTag(getString(R.string.proxy_not_installed_dialog)) == null) {
+                            // Get a handle for the waiting for proxy alert dialog.
+                            DialogFragment i2pNotInstalledDialogFragment = ProxyNotInstalledDialog.displayDialog(proxyMode);
 
-                        // Try to show the dialog.  Sometimes the window is not yet active if returning from Settings.
-                        try {
-                            // Display the I2P not installed alert dialog.
-                            i2pNotInstalledDialogFragment.show(getSupportFragmentManager(), getString(R.string.proxy_not_installed_dialog));
-                        } catch (Exception i2pNotInstalledException) {
-                            // Add the dialog to the pending dialog array list.  It will be displayed in `onStart()`.
-                            pendingDialogsArrayList.add(new PendingDialog(i2pNotInstalledDialogFragment, getString(R.string.proxy_not_installed_dialog)));
+                            // Try to show the dialog.  Sometimes the window is not yet active if returning from Settings.
+                            try {
+                                // Display the I2P not installed alert dialog.
+                                i2pNotInstalledDialogFragment.show(getSupportFragmentManager(), getString(R.string.proxy_not_installed_dialog));
+                            } catch (Exception i2pNotInstalledException) {
+                                // Add the dialog to the pending dialog array list.  It will be displayed in `onStart()`.
+                                pendingDialogsArrayList.add(new PendingDialog(i2pNotInstalledDialogFragment, getString(R.string.proxy_not_installed_dialog)));
+                            }
                         }
                     }
                 }
@@ -5090,7 +5100,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
 
     @SuppressLint("ClickableViewAccessibility")
     @Override
-    public void initializeWebView(NestedScrollWebView nestedScrollWebView, int pageNumber, ProgressBar progressBar, String url, Boolean restoringState) {
+    public void initializeWebView(@NonNull NestedScrollWebView nestedScrollWebView, int pageNumber, @NonNull ProgressBar progressBar, @NonNull String url, boolean restoringState) {
         // Get a handle for the shared preferences.
         SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);