1 /* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "modules/crypto/DOMWindowCrypto.h" 33 34 #include "core/frame/LocalDOMWindow.h" 35 #include "modules/crypto/Crypto.h" 36 37 namespace blink { 38 39 DOMWindowCrypto::DOMWindowCrypto(LocalDOMWindow& window) 40 : DOMWindowProperty(window.frame()) 41 { 42 } 43 44 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(DOMWindowCrypto); 45 46 const char* DOMWindowCrypto::supplementName() 47 { 48 return "DOMWindowCrypto"; 49 } 50 51 DOMWindowCrypto& DOMWindowCrypto::from(LocalDOMWindow& window) 52 { 53 DOMWindowCrypto* supplement = static_cast<DOMWindowCrypto*>(WillBeHeapSupplement<LocalDOMWindow>::from(window, supplementName())); 54 if (!supplement) { 55 supplement = new DOMWindowCrypto(window); 56 provideTo(window, supplementName(), adoptPtrWillBeNoop(supplement)); 57 } 58 return *supplement; 59 } 60 61 Crypto* DOMWindowCrypto::crypto(LocalDOMWindow& window) 62 { 63 return DOMWindowCrypto::from(window).crypto(); 64 } 65 66 Crypto* DOMWindowCrypto::crypto() const 67 { 68 if (!m_crypto && frame()) 69 m_crypto = Crypto::create(); 70 return m_crypto.get(); 71 } 72 73 void DOMWindowCrypto::trace(Visitor* visitor) 74 { 75 visitor->trace(m_crypto); 76 WillBeHeapSupplement<LocalDOMWindow>::trace(visitor); 77 DOMWindowProperty::trace(visitor); 78 } 79 80 } // namespace blink 81