1 | /* |
2 | * Copyright (C) 2012 Apple 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 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #include "DOMWindow.h" |
29 | #include <wtf/RefCounted.h> |
30 | #include <wtf/RefPtr.h> |
31 | #include <wtf/WeakPtr.h> |
32 | |
33 | namespace WebCore { |
34 | |
35 | class DOMWrapperWorld; |
36 | class Frame; |
37 | |
38 | class DOMWindowExtension final : public RefCounted<DOMWindowExtension>, public DOMWindow::Observer { |
39 | public: |
40 | static Ref<DOMWindowExtension> create(DOMWindow* window, DOMWrapperWorld& world) |
41 | { |
42 | return adoptRef(*new DOMWindowExtension(window, world)); |
43 | } |
44 | |
45 | WEBCORE_EXPORT ~DOMWindowExtension(); |
46 | |
47 | void suspendForPageCache() final; |
48 | void resumeFromPageCache() final; |
49 | void willDestroyGlobalObjectInCachedFrame() final; |
50 | void willDestroyGlobalObjectInFrame() final; |
51 | void willDetachGlobalObjectFromFrame() final; |
52 | |
53 | WEBCORE_EXPORT Frame* frame() const; |
54 | DOMWrapperWorld& world() const { return m_world; } |
55 | |
56 | private: |
57 | WEBCORE_EXPORT DOMWindowExtension(DOMWindow*, DOMWrapperWorld&); |
58 | |
59 | WeakPtr<DOMWindow> m_window; |
60 | Ref<DOMWrapperWorld> m_world; |
61 | RefPtr<Frame> m_disconnectedFrame; |
62 | bool m_wasDetached; |
63 | }; |
64 | |
65 | } // namespace WebCore |
66 | |