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-rw-r--r--dom/presentation/PresentationConnectionList.cpp125
1 files changed, 125 insertions, 0 deletions
diff --git a/dom/presentation/PresentationConnectionList.cpp b/dom/presentation/PresentationConnectionList.cpp
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+++ b/dom/presentation/PresentationConnectionList.cpp
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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 "PresentationConnectionList.h"
+
+#include "mozilla/AsyncEventDispatcher.h"
+#include "mozilla/dom/PresentationConnectionAvailableEvent.h"
+#include "mozilla/dom/PresentationConnectionListBinding.h"
+#include "mozilla/dom/Promise.h"
+#include "PresentationConnection.h"
+
+namespace mozilla {
+namespace dom {
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(PresentationConnectionList, DOMEventTargetHelper,
+ mGetConnectionListPromise,
+ mConnections)
+
+NS_IMPL_ADDREF_INHERITED(PresentationConnectionList, DOMEventTargetHelper)
+NS_IMPL_RELEASE_INHERITED(PresentationConnectionList, DOMEventTargetHelper)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(PresentationConnectionList)
+NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
+
+PresentationConnectionList::PresentationConnectionList(nsPIDOMWindowInner* aWindow,
+ Promise* aPromise)
+ : DOMEventTargetHelper(aWindow)
+ , mGetConnectionListPromise(aPromise)
+{
+ MOZ_ASSERT(aWindow);
+ MOZ_ASSERT(aPromise);
+}
+
+/* virtual */ JSObject*
+PresentationConnectionList::WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto)
+{
+ return PresentationConnectionListBinding::Wrap(aCx, this, aGivenProto);
+}
+
+void
+PresentationConnectionList::GetConnections(
+ nsTArray<RefPtr<PresentationConnection>>& aConnections) const
+{
+ aConnections = mConnections;
+}
+
+nsresult
+PresentationConnectionList::DispatchConnectionAvailableEvent(
+ PresentationConnection* aConnection)
+{
+ PresentationConnectionAvailableEventInit init;
+ init.mConnection = aConnection;
+
+ RefPtr<PresentationConnectionAvailableEvent> event =
+ PresentationConnectionAvailableEvent::Constructor(
+ this,
+ NS_LITERAL_STRING("connectionavailable"),
+ init);
+
+ if (NS_WARN_IF(!event)) {
+ return NS_ERROR_FAILURE;
+ }
+ event->SetTrusted(true);
+
+ RefPtr<AsyncEventDispatcher> asyncDispatcher =
+ new AsyncEventDispatcher(this, event);
+ return asyncDispatcher->PostDOMEvent();
+}
+
+PresentationConnectionList::ConnectionArrayIndex
+PresentationConnectionList::FindConnectionById(
+ const nsAString& aId)
+{
+ for (ConnectionArrayIndex i = 0; i < mConnections.Length(); i++) {
+ nsAutoString id;
+ mConnections[i]->GetId(id);
+ if (id == nsAutoString(aId)) {
+ return i;
+ }
+ }
+
+ return mConnections.NoIndex;
+}
+
+void
+PresentationConnectionList::NotifyStateChange(const nsAString& aSessionId,
+ PresentationConnection* aConnection)
+{
+ if (!aConnection) {
+ MOZ_ASSERT(false, "PresentationConnection can not be null.");
+ return;
+ }
+
+ bool connectionFound =
+ FindConnectionById(aSessionId) != mConnections.NoIndex ? true : false;
+
+ PresentationConnectionListBinding::ClearCachedConnectionsValue(this);
+ switch (aConnection->State()) {
+ case PresentationConnectionState::Connected:
+ if (!connectionFound) {
+ mConnections.AppendElement(aConnection);
+ if (mGetConnectionListPromise) {
+ mGetConnectionListPromise->MaybeResolve(this);
+ mGetConnectionListPromise = nullptr;
+ return;
+ }
+ }
+ DispatchConnectionAvailableEvent(aConnection);
+ break;
+ case PresentationConnectionState::Terminated:
+ if (connectionFound) {
+ mConnections.RemoveElement(aConnection);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+} // namespace dom
+} // namespace mozilla