1 files changed, 81 insertions, 0 deletions
diff --git a/widget/windows/nsSharePicker.cpp b/widget/windows/nsSharePicker.cpp
new file mode 100644
index 0000000000..9cdc792718
--- /dev/null
+++ b/widget/windows/nsSharePicker.cpp
@@ -0,0 +1,81 @@
+/* -*- 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/. */
+
+#include "nsSharePicker.h"
+
+#include "nsString.h"
+#include "nsThreadUtils.h"
+#include "WindowsUIUtils.h"
+#include "nsPIDOMWindow.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/Unused.h"
+
+using mozilla::dom::Promise;
+
+///////////////////////////////////////////////////////////////////////////////
+// nsISharePicker
+
+NS_IMPL_ISUPPORTS(nsSharePicker, nsISharePicker)
+
+namespace {
+inline NS_ConvertUTF8toUTF16 NS_ConvertUTF8toUTF16_MaybeVoid(
+    const nsACString& aStr) {
+  auto str = NS_ConvertUTF8toUTF16(aStr);
+  str.SetIsVoid(aStr.IsVoid());
+  return str;
+}
+inline nsIGlobalObject* GetGlobalObject() {
+  return xpc::NativeGlobal(xpc::PrivilegedJunkScope());
+}
+}  // namespace
+
+NS_IMETHODIMP
+nsSharePicker::Init(mozIDOMWindowProxy* aOpenerWindow) {
+  if (mInited) {
+    return NS_ERROR_FAILURE;
+  }
+  mOpenerWindow = aOpenerWindow;
+  mInited = true;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSharePicker::GetOpenerWindow(mozIDOMWindowProxy** aOpenerWindow) {
+  *aOpenerWindow = mOpenerWindow;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsSharePicker::Share(const nsACString& aTitle, const nsACString& aText,
+                     nsIURI* aUrl, Promise** aPromise) {
+  mozilla::ErrorResult result;
+  RefPtr<Promise> promise = Promise::Create(GetGlobalObject(), result);
+  if (NS_WARN_IF(result.Failed())) {
+    return result.StealNSResult();
+  }
+  nsAutoCString urlString;
+  if (aUrl) {
+    nsresult rv = aUrl->GetSpec(urlString);
+    MOZ_ASSERT(NS_SUCCEEDED(rv));
+    mozilla::Unused << rv;
+  } else {
+    urlString.SetIsVoid(true);
+  }
+
+  auto mozPromise =
+      WindowsUIUtils::Share(NS_ConvertUTF8toUTF16_MaybeVoid(aTitle),
+                            NS_ConvertUTF8toUTF16_MaybeVoid(aText),
+                            NS_ConvertUTF8toUTF16_MaybeVoid(urlString));
+  mozPromise->Then(
+      mozilla::GetCurrentSerialEventTarget(), __func__,
+      [promise]() { promise->MaybeResolveWithUndefined(); },
+      [promise]() { promise->MaybeReject(NS_ERROR_DOM_ABORT_ERR); });
+
+  promise.forget(aPromise);
+
+  return NS_OK;
+}