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1 /* | |
2 * Copyright (C) 2012 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 | |
6 * are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #ifndef DocumentResourceReference_h | |
27 #define DocumentResourceReference_h | |
28 | |
29 #include "core/fetch/DocumentResource.h" | |
30 #include "platform/heap/Handle.h" | |
31 | |
32 namespace blink { | |
33 | |
34 class DocumentResourceReference final | |
35 : public GarbageCollectedFinalized<DocumentResourceReference>, | |
36 public DocumentResourceClient { | |
37 USING_GARBAGE_COLLECTED_MIXIN(DocumentResourceReference); | |
38 USING_PRE_FINALIZER(DocumentResourceReference, removeSelf); | |
39 | |
40 public: | |
41 explicit DocumentResourceReference(DocumentResource* document) | |
42 : m_document(document) { | |
43 ThreadState::current()->registerPreFinalizer(this); | |
44 m_document->addClient(this); | |
45 } | |
46 ~DocumentResourceReference() override {} | |
47 DocumentResource* document() { return m_document.get(); } | |
48 DEFINE_INLINE_TRACE() { | |
49 visitor->trace(m_document); | |
50 DocumentResourceClient::trace(visitor); | |
51 } | |
52 | |
53 private: | |
54 void removeSelf() { m_document->removeClient(this); } | |
55 | |
56 String debugName() const override { return "DocumentResourceReference"; } | |
57 Member<DocumentResource> m_document; | |
58 }; | |
59 | |
60 } // namespace blink | |
61 | |
62 #endif | |
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