Add fallbacks to open alternate download managers. https://redmine.stoutner.com/issue...

[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / activities / MainWebViewActivity.java

diff --git a/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java b/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java
index b5e3c53479a4b0924109fbc4521c4529cea6dcb4..676c4d4813e6a216c158373558311c25490d9cc0 100644 (file)
--- a/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java
+++ b/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebViewActivity.java
@@ -48,11 +48,13 @@ import android.net.http.SslError;
 import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
+import android.os.Environment;
 import android.os.Handler;
 import android.os.Message;
 import android.preference.PreferenceManager;
 import android.print.PrintDocumentAdapter;
 import android.print.PrintManager;
+import android.provider.DocumentsContract;
 import android.text.Editable;
 import android.text.Spanned;
 import android.text.TextWatcher;
@@ -95,7 +97,6 @@ import android.widget.RelativeLayout;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.ActionBarDrawerToggle;
 import androidx.appcompat.app.AppCompatActivity;
@@ -1762,8 +1763,8 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
             // Consume the event.
             return true;
         } else if (menuItemId == R.id.save_archive) {
-            // Instantiate the save dialog.  TODO.  Replace the hard coded file name.
-            DialogFragment saveArchiveFragment = SaveWebpageDialog.saveWebpage(SaveWebpageDialog.SAVE_ARCHIVE, null, null, "Webpage.mht", null,
+            // Instantiate the save dialog.
+            DialogFragment saveArchiveFragment = SaveWebpageDialog.saveWebpage(SaveWebpageDialog.SAVE_ARCHIVE, currentWebView.getCurrentUrl(), null, null, null,
                     false);
 
             // Show the save dialog.  It must be named `save_dialog` so that the file picker can update the file name.
@@ -1772,7 +1773,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
             return true;
         } else if (menuItemId == R.id.save_image) {  // Save image.
             // Instantiate the save dialog.
-            DialogFragment saveImageFragment = SaveWebpageDialog.saveWebpage(SaveWebpageDialog.SAVE_IMAGE, null, null, getString(R.string.webpage_png), null,
+            DialogFragment saveImageFragment = SaveWebpageDialog.saveWebpage(SaveWebpageDialog.SAVE_IMAGE, currentWebView.getCurrentUrl(), null, null, null,
                     false);
 
             // Show the save dialog.  It must be named `save_dialog` so that the file picker can update the file name.
@@ -2030,14 +2031,50 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
             // Make it so.
             startActivity(requestsIntent);
         } else if (menuItemId == R.id.downloads) {  // Downloads.
-            // Launch the system Download Manager.
-            Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
+            // Try the default system download manager.
+            try {
+                // Launch the default system Download Manager.
+                Intent defaultDownloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS);
 
-            // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list.
-            downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                // Launch as a new task so that the download manager and Privacy Browser show as separate windows in the recent tasks list.
+                defaultDownloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 
-            // Make it so.
-            startActivity(downloadManagerIntent);
+                // Make it so.
+                startActivity(defaultDownloadManagerIntent);
+            } catch (Exception defaultDownloadManagerException) {
+                // Try a generic file manager.
+                try {
+                    // Create a generic file manager intent.
+                    Intent genericFileManagerIntent = new Intent(Intent.ACTION_VIEW);
+
+                    // Open the download directory.
+                    genericFileManagerIntent.setDataAndType(Uri.parse(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).toString()), DocumentsContract.Document.MIME_TYPE_DIR);
+
+                    // Launch as a new task so that the file manager and Privacy Browser show as separate windows in the recent tasks list.
+                    genericFileManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+                    // Make it so.
+                    startActivity(genericFileManagerIntent);
+                } catch (Exception gengericFileManagerException) {
+                    // Try an alternate file manager.
+                    try {
+                        // Create an alternate file manager intent.
+                        Intent alternateFileManagerIntent = new Intent(Intent.ACTION_VIEW);
+
+                        // Open the download directory.
+                        alternateFileManagerIntent.setDataAndType(Uri.parse(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).toString()), "resource/folder");
+
+                        // Launch as a new task so that the file manager and Privacy Browser show as separate windows in the recent tasks list.
+                        alternateFileManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+
+                        // Open the alternate file manager.
+                        startActivity(alternateFileManagerIntent);
+                    } catch (Exception alternateFileManagerException) {
+                        // Display a snackbar.
+                        Snackbar.make(currentWebView, R.string.no_file_manager_detected, Snackbar.LENGTH_INDEFINITE).show();
+                    }
+                }
+            }
         } else if (menuItemId == R.id.domains) {  // Domains.
             // Set the flag to reapply the domain settings on restart when returning from Domain Settings.
             reapplyDomainSettingsOnRestart = true;
@@ -3062,7 +3099,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
     }
 
     @Override
-    public void onSaveWebpage(int saveType, @Nullable String originalUrlString, DialogFragment dialogFragment) {
+    public void onSaveWebpage(int saveType, @NonNull String originalUrlString, DialogFragment dialogFragment) {
         // Get the dialog.
         Dialog dialog = dialogFragment.getDialog();
 
@@ -3085,7 +3122,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                 String saveWebpageUrl;
 
                 // Store the URL.
-                if ((originalUrlString != null) && originalUrlString.startsWith("data:")) {
+                if (originalUrlString.startsWith("data:")) {
                     // Save the original URL.
                     saveWebpageUrl = originalUrlString;
                 } else {
@@ -3128,7 +3165,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateBook
                                 temporaryMhtFileInputStream.close();
 
                                 // Display a snackbar.
-                                Snackbar.make(currentWebView, getString(R.string.file_saved) + "  " + saveWebpageFilePath, Snackbar.LENGTH_SHORT).show();
+                                Snackbar.make(currentWebView, getString(R.string.file_saved) + "  " + currentWebView.getCurrentUrl(), Snackbar.LENGTH_SHORT).show();
                             } catch (Exception exception) {
                                 // Display a snackbar with the exception.
                                 Snackbar.make(currentWebView, getString(R.string.error_saving_file) + "  " + exception.toString(), Snackbar.LENGTH_INDEFINITE).show();