| // 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(blink::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 |
