Implement efficient move on Internal Storage. (2273e0f0) · Commits · e / os / android_frameworks_base

packages/ExternalStorageProvider/src/com/android/externalstorage/ExternalStorageProvider.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -273,10 +273,12 @@ public class ExternalStorageProvider extends DocumentsProvider {
		flags \|= Document.FLAG_DIR_SUPPORTS_CREATE;
		flags \|= Document.FLAG_SUPPORTS_DELETE;
		flags \|= Document.FLAG_SUPPORTS_RENAME;
		flags \|= Document.FLAG_SUPPORTS_MOVE;
		} else {
		flags \|= Document.FLAG_SUPPORTS_WRITE;
		flags \|= Document.FLAG_SUPPORTS_DELETE;
		flags \|= Document.FLAG_SUPPORTS_RENAME;
		flags \|= Document.FLAG_SUPPORTS_MOVE;
		}
		}

		@@ -408,6 +410,21 @@ public class ExternalStorageProvider extends DocumentsProvider {
		new String[] { path, path });
		}

		@Override
		public String moveDocument(String sourceDocumentId, String targetParentDocumentId)
		throws FileNotFoundException {
		final File before = getFileForDocId(sourceDocumentId);
		final File after = new File(getFileForDocId(targetParentDocumentId), before.getName());

		if (after.exists()) {
		throw new IllegalStateException("Already exists " + after);
		}
		if (!before.renameTo(after)) {
		throw new IllegalStateException("Failed to move to " + after);
		}
		return getDocIdForFile(after);
		}

		@Override
		public Cursor queryDocument(String documentId, String[] projection)
		throws FileNotFoundException {