Android: add methods to get the FileDescriptor for a Uri

This can be useful for some cases when the Android APIs have calls
that expects a FileDescriptor instead of a Uri or an int file
descriptor (like a case in Qt Multimedia with MediaRecorder).

Pick-to: 6.2
Task-number: QTBUG-96081
Task-number: QTBUG-96957
Change-Id: I0ab8d37a43b7cb94f6ebb5d48014e5a7903aadc7
Reviewed-by: Ville Voutilainen <ville.voutilainen@qt.io>
Reviewed-by: Rami Potinkara <rami.potinkara@qt.io>

1 files changed, 32 insertions, 0 deletions

diff --git a/src/android/jar/src/org/qtproject/qt/android/QtNative.java b/src/android/jar/src/org/qtproject/qt/android/QtNative.java
index ac67a0542f..3c26e6d4f2 100644
--- a/src/android/jar/src/org/qtproject/qt/android/QtNative.java
+++ b/src/android/jar/src/org/qtproject/qt/android/QtNative.java
@@ -41,6 +41,7 @@
 package org.qtproject.qt.android;
 
 import java.io.File;
+import java.io.FileDescriptor;
 import java.io.FileNotFoundException;
 import java.util.ArrayList;
 import java.util.Objects;
@@ -240,6 +241,37 @@ public class QtNative
         }
     }
 
+    public static ParcelFileDescriptor openParcelFdForContentUrl(Context context, String contentUrl,
+                                                                 String openMode)
+    {
+        Uri uri = m_cachedUris.get(contentUrl);
+        if (uri == null)
+            uri = getUriWithValidPermission(context, contentUrl, openMode);
+
+        if (uri == null) {
+            Log.e(QtTAG, getCurrentMethodNameLog() + INVALID_OR_NULL_URI_ERROR_MESSAGE);
+            return null;
+        }
+
+        try {
+            final ContentResolver resolver = context.getContentResolver();
+            return resolver.openFileDescriptor(uri, openMode);
+        } catch (FileNotFoundException | IllegalArgumentException | SecurityException e) {
+            Log.e(QtTAG, getCurrentMethodNameLog() + e.toString());
+        }
+
+        return null;
+    }
+
+    public static FileDescriptor openFdObjectForContentUrl(Context context, String contentUrl,
+                                                           String openMode)
+    {
+        final ParcelFileDescriptor pfd = openParcelFdForContentUrl(context, contentUrl, openMode);
+        if (pfd != null)
+            return pfd.getFileDescriptor();
+        return null;
+    }
+
     public static int openFdForContentUrl(Context context, String contentUrl, String openMode)
     {
         Uri uri = m_cachedUris.get(contentUrl);