1 files changed, 48 insertions, 0 deletions
diff --git a/widget/nsClipboardProxy.h b/widget/nsClipboardProxy.h
new file mode 100644
index 0000000000..c25ad8ab70
--- /dev/null
+++ b/widget/nsClipboardProxy.h
@@ -0,0 +1,48 @@
+/* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
+ * 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 NS_CLIPBOARD_PROXY_H
+#define NS_CLIPBOARD_PROXY_H
+
+#include "nsIClipboard.h"
+#include "mozilla/dom/PContent.h"
+
+#define NS_CLIPBOARDPROXY_IID                        \
+  {                                                  \
+    0xa64c82da, 0x7326, 0x4681, {                    \
+      0xa0, 0x95, 0x81, 0x2c, 0xc9, 0x86, 0xe6, 0xde \
+    }                                                \
+  }
+
+// Hack for ContentChild to be able to know that we're an nsClipboardProxy.
+class nsIClipboardProxy : public nsIClipboard {
+ protected:
+  typedef mozilla::dom::ClipboardCapabilities ClipboardCapabilities;
+
+ public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_CLIPBOARDPROXY_IID)
+
+  virtual void SetCapabilities(const ClipboardCapabilities& aClipboardCaps) = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIClipboardProxy, NS_CLIPBOARDPROXY_IID)
+
+class nsClipboardProxy final : public nsIClipboardProxy {
+ public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSICLIPBOARD
+
+  nsClipboardProxy();
+
+  virtual void SetCapabilities(
+      const ClipboardCapabilities& aClipboardCaps) override;
+
+ private:
+  ~nsClipboardProxy() = default;
+
+  ClipboardCapabilities mClipboardCaps;
+};
+
+#endif