1 files changed, 63 insertions, 0 deletions
diff --git a/widget/cocoa/nsClipboard.h b/widget/cocoa/nsClipboard.h
new file mode 100644
index 0000000000..c838f531d0
--- /dev/null
+++ b/widget/cocoa/nsClipboard.h
@@ -0,0 +1,63 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsClipboard_h_
+#define nsClipboard_h_
+
+#include "nsBaseClipboard.h"
+#include "nsCOMPtr.h"
+#include "nsIClipboard.h"
+#include "nsString.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/StaticPtr.h"
+
+#import <Cocoa/Cocoa.h>
+
+class nsITransferable;
+
+class nsClipboard : public nsBaseClipboard {
+ public:
+  nsClipboard();
+
+  NS_DECL_ISUPPORTS_INHERITED
+
+  // nsIClipboard
+  NS_IMETHOD HasDataMatchingFlavors(const nsTArray<nsCString>& aFlavorList, int32_t aWhichClipboard,
+                                    bool* _retval) override;
+  NS_IMETHOD EmptyClipboard(int32_t aWhichClipboard) override;
+
+  // On macOS, cache the transferable of the current selection (chrome/content)
+  // in the parent process. This is needed for the services menu which
+  // requires synchronous access to the current selection.
+  static mozilla::StaticRefPtr<nsITransferable> sSelectionCache;
+
+  // Helper methods, used also by nsDragService
+  static NSDictionary* PasteboardDictFromTransferable(nsITransferable* aTransferable);
+  // aPasteboardType is being retained and needs to be released by the caller.
+  static bool IsStringType(const nsCString& aMIMEType, NSString** aPasteboardType);
+  static bool IsImageType(const nsACString& aMIMEType);
+  static NSString* WrapHtmlForSystemPasteboard(NSString* aString);
+  static nsresult TransferableFromPasteboard(nsITransferable* aTransferable, NSPasteboard* pboard);
+
+ protected:
+  // Implement the native clipboard behavior.
+  NS_IMETHOD SetNativeClipboardData(nsITransferable* aTransferable, nsIClipboardOwner* aOwner,
+                                    int32_t aWhichClipboard) override;
+  NS_IMETHOD GetNativeClipboardData(nsITransferable* aTransferable,
+                                    int32_t aWhichClipboard) override;
+  void ClearSelectionCache();
+  void SetSelectionCache(nsITransferable* aTransferable);
+
+ private:
+  virtual ~nsClipboard();
+
+  static mozilla::Maybe<uint32_t> FindIndexOfImageFlavor(const nsTArray<nsCString>& aMIMETypes);
+
+  int32_t mCachedClipboard = -1;
+  // Set to the native change count after any modification of the clipboard.
+  int32_t mChangeCount = 0;
+};
+
+#endif  // nsClipboard_h_