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// Copyright 2017 The Chromium Authors. All rights reserved.
// 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/media_capabilities/navigator_media_capabilities.h"
#include "third_party/blink/renderer/modules/media_capabilities/media_capabilities.h"
#include "third_party/blink/renderer/platform/supplementable.h"
namespace blink {
// static
const char NavigatorMediaCapabilities::kSupplementName[] =
"NavigatorMediaCapabilities";
MediaCapabilities* NavigatorMediaCapabilities::mediaCapabilities(
Navigator& navigator) {
NavigatorMediaCapabilities& self =
NavigatorMediaCapabilities::From(navigator);
if (!self.capabilities_)
self.capabilities_ = MakeGarbageCollected<MediaCapabilities>();
return self.capabilities_.Get();
}
void NavigatorMediaCapabilities::Trace(Visitor* visitor) {
visitor->Trace(capabilities_);
Supplement<Navigator>::Trace(visitor);
}
NavigatorMediaCapabilities::NavigatorMediaCapabilities(Navigator& navigator)
: Supplement<Navigator>(navigator) {}
NavigatorMediaCapabilities& NavigatorMediaCapabilities::From(
Navigator& navigator) {
NavigatorMediaCapabilities* supplement =
Supplement<Navigator>::From<NavigatorMediaCapabilities>(navigator);
if (!supplement) {
supplement = MakeGarbageCollected<NavigatorMediaCapabilities>(navigator);
ProvideTo(navigator, supplement);
}
return *supplement;
}
} // namespace blink
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