1 files changed, 66 insertions, 0 deletions
diff --git a/Sources/Data/OwlDataOffer.m b/Sources/Data/OwlDataOffer.m
new file mode 100644
index 0000000..e07ec2e
--- /dev/null
+++ b/Sources/Data/OwlDataOffer.m
@@ -0,0 +1,66 @@
+/* This file is part of Owl.
+ *
+ * Copyright © 2019-2021 Sergey Bugaev <bugaevc@gmail.com>
+ *
+ * Owl is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published
+ * by the Free Software Foundation, either version 3 of the License,
+ * or (at your option) any later version.
+ *
+ * Owl is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Owl.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "OwlDataOffer.h"
+#import "OwlDataSource.h"
+#import <wayland-server.h>
+
+
+@implementation OwlDataOffer
+
+- (id) initWithResource: (struct wl_resource *) resource
+             dataSource: (OwlDataSource *) source
+{
+    _resource = resource;
+    _dataSource = [source retain];
+    [source addHolder: self];
+    for (NSString *mimeType in [source mimeTypes]) {
+        [self addMimeType: mimeType];
+    }
+    return self;
+}
+
+- (struct wl_resource *) resource {
+    return _resource;
+}
+
+- (void) dealloc {
+    [_dataSource removeHolder: self];
+    [_dataSource release];
+    [super dealloc];
+}
+
+- (void) receiveContentOfMimeType: (const char *) mime_type
+               intoFileDescriptor: (int) fd
+{
+    NSFileHandle *fileHandle = [[NSFileHandle alloc] initWithFileDescriptor: fd];
+    NSString *mimeType = [NSString stringWithUTF8String: mime_type];
+
+    [_dataSource sendContentOfMimeType: mimeType toFileHandle: fileHandle];
+
+    // Make sure not to delay closing the file.
+    [fileHandle closeFile];
+    [fileHandle release];
+}
+
+- (void) releaseDataSource: (OwlDataSource *) source {
+    [_dataSource release];
+    _dataSource = nil;
+}
+
+@end