android: Move code to get doc's display name from URI to static helper

Will be used in LibreOfficeUIActivity as well.

Change-Id: Ie1b99f0d31dba1be263459d135ee7fcb36613a7b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/113457
Tested-by: Jenkins
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
(cherry picked from commit af56d15d6bbe92c7df0248ec72dc4d759580c378)

2 files changed, 29 insertions, 23 deletions

diff --git a/android/source/src/java/org/libreoffice/LibreOfficeMainActivity.java b/android/source/src/java/org/libreoffice/LibreOfficeMainActivity.java
index cfdc81000f51..aed1cf946a69 100644
--- a/android/source/src/java/org/libreoffice/LibreOfficeMainActivity.java
+++ b/android/source/src/java/org/libreoffice/LibreOfficeMainActivity.java
@@ -40,6 +40,7 @@ import org.libreoffice.overlay.CalcHeadersController;
 import org.libreoffice.overlay.DocumentOverlay;
 import org.libreoffice.storage.DocumentProviderFactory;
 import org.libreoffice.storage.IFile;
+import org.libreoffice.ui.FileUtilities;
 import org.libreoffice.ui.LibreOfficeUIActivity;
 import org.mozilla.gecko.gfx.GeckoLayerClient;
 import org.mozilla.gecko.gfx.LayerView;
@@ -202,7 +203,7 @@ public class LibreOfficeMainActivity extends AppCompatActivity implements Settin
                 mbISReadOnlyMode = !isExperimentalMode()  || isReadOnlyDoc;
                 Log.d(LOGTAG, "SCHEME_CONTENT: getPath(): " + getIntent().getData().getPath());
 
-                String displayName = extractDisplayNameFromIntent();
+                String displayName = FileUtilities.retrieveDisplayNameForDocumentUri(getContentResolver(), getIntent().getData());
                 if (displayName.isEmpty()) {
                     // fall back to using temp file name
                     displayName = mInputFile.getName();
@@ -569,28 +570,6 @@ public class LibreOfficeMainActivity extends AppCompatActivity implements Settin
 
     }
 
-    /**
-     * Tries to retrieve display name for data in Intent,
-     * which should be the file name.
-     */
-    private String extractDisplayNameFromIntent() {
-        String displayName = "";
-        // try to retrieve original file name
-        Cursor cursor = null;
-        try {
-            String[] columns = {OpenableColumns.DISPLAY_NAME};
-            cursor = getContentResolver().query(getIntent().getData(), columns, null, null);
-            if (cursor != null && cursor.moveToFirst()) {
-                displayName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
-            }
-        } finally {
-            if (cursor != null) {
-                cursor.close();
-            }
-        }
-        return displayName;
-    }
-
     public List<DocumentPartView> getDocumentPartView() {
         return mDocumentPartView;
     }
diff --git a/android/source/src/java/org/libreoffice/ui/FileUtilities.java b/android/source/src/java/org/libreoffice/ui/FileUtilities.java
index 28f1906a6369..5a4224f2ceb9 100644
--- a/android/source/src/java/org/libreoffice/ui/FileUtilities.java
+++ b/android/source/src/java/org/libreoffice/ui/FileUtilities.java
@@ -19,6 +19,11 @@ import java.util.Collections;
 import java.util.List;
 import java.util.HashMap;
 import java.util.Comparator;
+
+import android.content.ContentResolver;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.OpenableColumns;
 import android.util.Log;
 import android.webkit.MimeTypeMap;
 
@@ -274,6 +279,28 @@ public class FileUtilities {
     static String getThumbnailName(File file) {
         return "." + file.getName().split("[.]")[0] + ".png" ;
     }
+
+    /**
+     * Tries to retrieve the display (which should be the document name)
+     * for the given URI using the given resolver.
+     */
+    public static String retrieveDisplayNameForDocumentUri(ContentResolver resolver, Uri docUri) {
+        String displayName = "";
+        // try to retrieve original file name
+        Cursor cursor = null;
+        try {
+            String[] columns = {OpenableColumns.DISPLAY_NAME};
+            cursor = resolver.query(docUri, columns, null, null);
+            if (cursor != null && cursor.moveToFirst()) {
+                displayName = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
+            }
+        } finally {
+            if (cursor != null) {
+                cursor.close();
+            }
+        }
+        return displayName;
+    }
 }
 
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