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Side by Side Diff: third_party/WebKit/Source/modules/nfc/NavigatorNFC.cpp

Issue 2646383002: Use a new Supplement constructor for (Worker)Navigator supplements (Closed)
Patch Set: temp Created 3 years, 11 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "modules/nfc/NavigatorNFC.h" 5 #include "modules/nfc/NavigatorNFC.h"
6 6
7 #include "core/frame/Navigator.h" 7 #include "core/frame/Navigator.h"
8 #include "modules/nfc/NFC.h" 8 #include "modules/nfc/NFC.h"
9 9
10 namespace blink { 10 namespace blink {
11 11
12 NavigatorNFC::NavigatorNFC() {} 12 NavigatorNFC::NavigatorNFC(Navigator& navigator)
13 : Supplement<Navigator>(navigator) {}
13 14
14 const char* NavigatorNFC::supplementName() { 15 const char* NavigatorNFC::supplementName() {
15 return "NavigatorNFC"; 16 return "NavigatorNFC";
16 } 17 }
17 18
18 NavigatorNFC& NavigatorNFC::from(Navigator& navigator) { 19 NavigatorNFC& NavigatorNFC::from(Navigator& navigator) {
19 NavigatorNFC* supplement = static_cast<NavigatorNFC*>( 20 NavigatorNFC* supplement = static_cast<NavigatorNFC*>(
20 Supplement<Navigator>::from(navigator, supplementName())); 21 Supplement<Navigator>::from(navigator, supplementName()));
21 if (!supplement) { 22 if (!supplement) {
22 supplement = new NavigatorNFC(); 23 supplement = new NavigatorNFC(navigator);
23 provideTo(navigator, supplementName(), supplement); 24 provideTo(navigator, supplementName(), supplement);
24 } 25 }
25 return *supplement; 26 return *supplement;
26 } 27 }
27 28
28 NFC* NavigatorNFC::nfc(Navigator& navigator) { 29 NFC* NavigatorNFC::nfc(Navigator& navigator) {
29 NavigatorNFC& self = NavigatorNFC::from(navigator); 30 NavigatorNFC& self = NavigatorNFC::from(navigator);
30 if (!self.m_nfc) { 31 if (!self.m_nfc) {
31 if (!navigator.frame()) 32 if (!navigator.frame())
32 return nullptr; 33 return nullptr;
33 self.m_nfc = NFC::create(navigator.frame()); 34 self.m_nfc = NFC::create(navigator.frame());
34 } 35 }
35 return self.m_nfc.get(); 36 return self.m_nfc.get();
36 } 37 }
37 38
38 DEFINE_TRACE(NavigatorNFC) { 39 DEFINE_TRACE(NavigatorNFC) {
39 visitor->trace(m_nfc); 40 visitor->trace(m_nfc);
40 Supplement<Navigator>::trace(visitor); 41 Supplement<Navigator>::trace(visitor);
41 } 42 }
42 43
43 } // namespace blink 44 } // namespace blink
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