Add "Send File via KDE Connect" Finder integration on macOS

indicator/CMakeLists.txt

@@ -13,7 +13,7 @@ ecm_add_app_icon(indicator_SRCS ICONS
 if (WIN32)
     list(APPEND indicator_SRCS indicatorhelper_win.cpp)
 elseif (APPLE)
-    list(APPEND indicator_SRCS indicatorhelper_mac.cpp)
+    list(APPEND indicator_SRCS indicatorhelper_mac.cpp serviceregister_mac.mm)
 else ()
     list(APPEND indicator_SRCS indicatorhelper.cpp)
 endif()
@@ -26,6 +26,8 @@ if (WIN32)
 endif()
 
 if (APPLE)
+# Apple frameworks
+target_link_libraries(kdeconnect-indicator "-framework AppKit")
 # Apple app package
 set_target_properties(kdeconnect-indicator PROPERTIES MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/Info.plist)
 set_target_properties(kdeconnect-indicator PROPERTIES

indicator/Info.plist

@@ -34,5 +34,38 @@
     <string>1</string>
     <key>NSHighResolutionCapable</key>
     <string>True</string>
+    <key>NSServices</key>
+	<array>
+		<dict>
+			<key>NSBackgroundColorName</key>
+			<string>background</string>
+			<key>NSIconName</key>
+			<string>NSActionTemplate</string>
+			<key>NSMenuItem</key>
+			<dict>
+				<key>default</key>
+				<string>Send File via KDE Connect</string>
+			</dict>
+			<key>NSMessage</key>
+			<string>sendViaKDEConnect</string>
+            <key>NSPortName</key>
+            <string>SendViaKDEConnect</string>
+			<key>NSRequiredContext</key>
+			<dict>
+				<key>NSApplicationIdentifier</key>
+				<string>com.apple.finder</string>
+			</dict>
+			<key>NSRequiredContext</key>
+			<dict>
+				<key>NSTextContent</key>
+				<string>FilePath</string>
+			</dict>
+			<key>NSSendTypes</key>
+			<array>
+				<string>NSFilenamesPboardType</string>
+				<string>public.plain-text</string>
+			</array>
+		</dict>
+	</array>
 </dict>
 </plist>

indicator/indicatorhelper_mac.cpp

@@ -32,9 +32,12 @@
 
 #include "indicatorhelper.h"
 
+#include "serviceregister_mac.h"
 
 IndicatorHelper::IndicatorHelper()
 {
+    registerServices();
+
     QIcon kdeconnectIcon = QIcon::fromTheme(QStringLiteral("kdeconnect"));
     QPixmap splashPixmap(kdeconnectIcon.pixmap(256, 256));
 

indicator/serviceregister_mac.h

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2020 Weixuan XIAO <veyx.shaw@gmail.com>
+ *
+ * This program 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 2 of
+ * the License or (at your option) version 3 or any later version
+ * accepted by the membership of KDE e.V. (or its successor approved
+ * by the membership of KDE e.V.), which shall act as a proxy
+ * defined in Section 14 of version 3 of the license.
+ *
+ * This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef SERVICE_REGISTER_H
+#define SERVICE_REGISTER_H
+
+void registerServices();
+
+#endif

indicator/serviceregister_mac.mm

@@ -0,0 +1,96 @@
+/*
+ * Copyright 2020 Weixuan XIAO <veyx.shaw@gmail.com>
+ *
+ * This program 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 2 of
+ * the License or (at your option) version 3 or any later version
+ * accepted by the membership of KDE e.V. (or its successor approved
+ * by the membership of KDE e.V.), which shall act as a proxy
+ * defined in Section 14 of version 3 of the license.
+ *
+ * This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#import <Foundation/Foundation.h>
+#import <AppKit/AppKit.h>
+
+#include <QFile>
+#include <QProcess>
+#include <QApplication>
+
+@interface KDEConnectSendFileService : NSObject
+- (void)sendViaKDEConnect:(NSPasteboard *)pboard userData:(NSString *)userData error:(NSString **)error;
+@end
+
+static KDEConnectSendFileService *sendFileService = nil;
+
+static void cleanup_service()
+{
+    if (sendFileService != nil)
+        [sendFileService release];
+
+    sendFileService = nil;
+}
+
+void registerServices() {
+    NSLog(@"Registering KDE Connect Send File Service");
+    KDEConnectSendFileService *sendFileService = [[KDEConnectSendFileService alloc] init]; 
+    qAddPostRoutine(cleanup_service);   // Remove after quit
+
+    NSRegisterServicesProvider(sendFileService, @"SendViaKDEConnect");
+
+    NSLog(@"KDE Connect Send File Service registered");
+}
+
+@implementation KDEConnectSendFileService
+
+- (void)sendViaKDEConnect:(NSPasteboard *)pboard userData:(NSString *)userData error:(NSString **)error {
+    Q_UNUSED(userData);
+    Q_UNUSED(error);
+
+    NSAlert *alert = nil;
+    // NSPasteboardTypeFileURL is first introduced in macOS 13, avoid to use it now
+    NSArray *filePathArray = [pboard propertyListForType:NSFilenamesPboardType];
+    for (NSString *path in filePathArray) {
+        BOOL isDirectory = NO;
+        if ([[NSFileManager defaultManager] fileExistsAtPath:path isDirectory:&isDirectory]) {
+            if (!isDirectory) {
+                if (QFile::exists(QCoreApplication::applicationDirPath() + QStringLiteral("/kdeconnect-handler"))) {
+                    QProcess kdeconnect_handler;
+                    kdeconnect_handler.setProgram(QCoreApplication::applicationDirPath() + QStringLiteral("/kdeconnect-handler"));
+                    kdeconnect_handler.setArguments({QString::fromNSString(path)});
+                    kdeconnect_handler.startDetached();
+                } else {
+                    alert = [[NSAlert alloc] init];
+                    [alert setInformativeText:@"Cannot find kdeconnect-handler"];
+                }
+            } else {
+                alert = [[NSAlert alloc] init];
+                [alert setInformativeText:@"Cannot share a directory"];
+            }
+        }
+        break;  // Now we only support single file sharing
+    }
+
+    if ([filePathArray count] < 1) {
+        alert = [[NSAlert alloc] init];
+        [alert setInformativeText:@"Cannot share selected item"];
+    }
+
+    if (alert) {
+        [alert setMessageText:@"Share file failed"];
+        [alert addButtonWithTitle:@"OK"];
+        [alert setAlertStyle:NSAlertStyleCritical];
+        [alert runModal];
+        [alert release];
+    }
+}
+
+@end