126 lines
3.7 KiB
C++
126 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "PresentationConnectionList.h"
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#include "mozilla/AsyncEventDispatcher.h"
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#include "mozilla/dom/PresentationConnectionAvailableEvent.h"
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#include "mozilla/dom/PresentationConnectionListBinding.h"
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#include "mozilla/dom/Promise.h"
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#include "PresentationConnection.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_INHERITED(PresentationConnectionList, DOMEventTargetHelper,
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mGetConnectionListPromise,
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mConnections)
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NS_IMPL_ADDREF_INHERITED(PresentationConnectionList, DOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(PresentationConnectionList, DOMEventTargetHelper)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(PresentationConnectionList)
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NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
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PresentationConnectionList::PresentationConnectionList(nsPIDOMWindowInner* aWindow,
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Promise* aPromise)
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: DOMEventTargetHelper(aWindow)
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, mGetConnectionListPromise(aPromise)
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{
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MOZ_ASSERT(aWindow);
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MOZ_ASSERT(aPromise);
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}
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/* virtual */ JSObject*
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PresentationConnectionList::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto)
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{
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return PresentationConnectionListBinding::Wrap(aCx, this, aGivenProto);
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}
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void
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PresentationConnectionList::GetConnections(
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nsTArray<RefPtr<PresentationConnection>>& aConnections) const
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{
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aConnections = mConnections;
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}
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nsresult
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PresentationConnectionList::DispatchConnectionAvailableEvent(
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PresentationConnection* aConnection)
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{
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PresentationConnectionAvailableEventInit init;
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init.mConnection = aConnection;
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RefPtr<PresentationConnectionAvailableEvent> event =
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PresentationConnectionAvailableEvent::Constructor(
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this,
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NS_LITERAL_STRING("connectionavailable"),
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init);
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if (NS_WARN_IF(!event)) {
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return NS_ERROR_FAILURE;
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}
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event->SetTrusted(true);
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RefPtr<AsyncEventDispatcher> asyncDispatcher =
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new AsyncEventDispatcher(this, event);
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return asyncDispatcher->PostDOMEvent();
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}
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PresentationConnectionList::ConnectionArrayIndex
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PresentationConnectionList::FindConnectionById(
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const nsAString& aId)
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{
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for (ConnectionArrayIndex i = 0; i < mConnections.Length(); i++) {
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nsAutoString id;
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mConnections[i]->GetId(id);
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if (id == nsAutoString(aId)) {
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return i;
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}
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}
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return mConnections.NoIndex;
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}
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void
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PresentationConnectionList::NotifyStateChange(const nsAString& aSessionId,
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PresentationConnection* aConnection)
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{
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if (!aConnection) {
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MOZ_ASSERT(false, "PresentationConnection can not be null.");
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return;
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}
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bool connectionFound =
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FindConnectionById(aSessionId) != mConnections.NoIndex ? true : false;
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PresentationConnectionListBinding::ClearCachedConnectionsValue(this);
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switch (aConnection->State()) {
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case PresentationConnectionState::Connected:
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if (!connectionFound) {
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mConnections.AppendElement(aConnection);
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if (mGetConnectionListPromise) {
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mGetConnectionListPromise->MaybeResolve(this);
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mGetConnectionListPromise = nullptr;
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return;
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}
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}
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DispatchConnectionAvailableEvent(aConnection);
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break;
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case PresentationConnectionState::Terminated:
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if (connectionFound) {
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mConnections.RemoveElement(aConnection);
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}
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break;
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default:
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break;
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}
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}
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} // namespace dom
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} // namespace mozilla
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