1 files changed, 100 insertions, 0 deletions
diff --git a/mobile/android/components/geckoview/GeckoViewExternalAppService.cpp b/mobile/android/components/geckoview/GeckoViewExternalAppService.cpp
new file mode 100644
index 0000000000..30dedc9251
--- /dev/null
+++ b/mobile/android/components/geckoview/GeckoViewExternalAppService.cpp
@@ -0,0 +1,100 @@
+/* -*- 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 "GeckoViewExternalAppService.h"
+
+#include "mozilla/dom/BrowsingContext.h"
+#include "mozilla/dom/CanonicalBrowsingContext.h"
+#include "mozilla/dom/WindowGlobalParent.h"
+#include "nsIChannel.h"
+
+#include "mozilla/widget/EventDispatcher.h"
+#include "mozilla/widget/nsWindow.h"
+#include "GeckoViewStreamListener.h"
+
+#include "JavaBuiltins.h"
+
+class StreamListener final : public mozilla::GeckoViewStreamListener {
+ public:
+  explicit StreamListener(nsWindow* aWindow)
+      : GeckoViewStreamListener(), mWindow(aWindow) {}
+
+  void SendWebResponse(mozilla::java::WebResponse::Param aResponse) {
+    mWindow->PassExternalResponse(aResponse);
+  }
+
+  void CompleteWithError(nsresult aStatus, nsIChannel* aChannel) {
+    // Currently we don't do anything about errors here
+  }
+
+  virtual ~StreamListener() {}
+
+ private:
+  RefPtr<nsWindow> mWindow;
+};
+
+mozilla::StaticRefPtr<GeckoViewExternalAppService>
+    GeckoViewExternalAppService::sService;
+
+/* static */
+already_AddRefed<GeckoViewExternalAppService>
+GeckoViewExternalAppService::GetSingleton() {
+  if (!sService) {
+    sService = new GeckoViewExternalAppService();
+  }
+  RefPtr<GeckoViewExternalAppService> service = sService;
+  return service.forget();
+}
+
+GeckoViewExternalAppService::GeckoViewExternalAppService() {}
+
+NS_IMPL_ISUPPORTS(GeckoViewExternalAppService, nsIExternalHelperAppService);
+
+NS_IMETHODIMP GeckoViewExternalAppService::DoContent(
+    const nsACString& aMimeContentType, nsIRequest* aRequest,
+    nsIInterfaceRequestor* aContentContext, bool aForceSave,
+    nsIInterfaceRequestor* aWindowContext,
+    nsIStreamListener** aStreamListener) {
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP GeckoViewExternalAppService::CreateListener(
+    const nsACString& aMimeContentType, nsIRequest* aRequest,
+    mozilla::dom::BrowsingContext* aContentContext, bool aForceSave,
+    nsIInterfaceRequestor* aWindowContext,
+    nsIStreamListener** aStreamListener) {
+  using namespace mozilla;
+  using namespace mozilla::dom;
+  MOZ_ASSERT(XRE_IsParentProcess());
+
+  nsresult rv;
+  nsCOMPtr<nsIChannel> channel(do_QueryInterface(aRequest, &rv));
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsCOMPtr<nsIWidget> widget =
+      aContentContext->Canonical()->GetParentProcessWidgetContaining();
+  if (!widget) {
+    return NS_ERROR_ABORT;
+  }
+
+  RefPtr<nsWindow> window = nsWindow::From(widget);
+  MOZ_ASSERT(window);
+
+  RefPtr<StreamListener> listener = new StreamListener(window);
+
+  rv = channel->SetNotificationCallbacks(listener);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  listener.forget(aStreamListener);
+  return NS_OK;
+}
+
+NS_IMETHODIMP GeckoViewExternalAppService::ApplyDecodingForExtension(
+    const nsACString& aExtension, const nsACString& aEncodingType,
+    bool* aApplyDecoding) {
+  // This currently doesn't matter, because we never read the stream.
+  *aApplyDecoding = true;
+  return NS_OK;
+}