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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/presentation/presentation_connection_list.h"
#include "third_party/blink/renderer/core/frame/web_feature.h"
#include "third_party/blink/renderer/modules/event_target_modules.h"
#include "third_party/blink/renderer/modules/presentation/presentation_connection.h"
#include "third_party/blink/renderer/modules/presentation/presentation_connection_available_event.h"
#include "third_party/blink/renderer/platform/instrumentation/use_counter.h"
namespace blink {
PresentationConnectionList::PresentationConnectionList(
ExecutionContext* context)
: ExecutionContextClient(context) {}
const AtomicString& PresentationConnectionList::InterfaceName() const {
return event_target_names::kPresentationConnectionList;
}
const HeapVector<Member<PresentationConnection>>&
PresentationConnectionList::connections() const {
return connections_;
}
void PresentationConnectionList::AddedEventListener(
const AtomicString& event_type,
RegisteredEventListener& registered_listener) {
EventTarget::AddedEventListener(event_type, registered_listener);
if (event_type == event_type_names::kConnectionavailable) {
UseCounter::Count(
GetExecutionContext(),
WebFeature::kPresentationRequestConnectionAvailableEventListener);
}
}
void PresentationConnectionList::AddConnection(
PresentationConnection* connection) {
connections_.push_back(connection);
}
bool PresentationConnectionList::RemoveConnection(
PresentationConnection* connection) {
for (wtf_size_t i = 0; i < connections_.size(); i++) {
if (connections_[i] == connection) {
connections_.EraseAt(i);
return true;
}
}
return false;
}
void PresentationConnectionList::DispatchConnectionAvailableEvent(
PresentationConnection* connection) {
DispatchEvent(*PresentationConnectionAvailableEvent::Create(
event_type_names::kConnectionavailable, connection));
}
bool PresentationConnectionList::IsEmpty() {
return connections_.empty();
}
void PresentationConnectionList::Trace(Visitor* visitor) const {
visitor->Trace(connections_);
EventTarget::Trace(visitor);
ExecutionContextClient::Trace(visitor);
}
} // namespace blink
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