1 | /* |
2 | * Copyright (C) 2010 Google, Inc. All Rights Reserved. |
3 | * Copyright (C) 2011-2017 Apple Inc. All rights reserved. |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
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 INC. ``AS IS'' AND ANY |
15 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
17 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
18 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
19 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
20 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
21 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
22 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
24 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
25 | */ |
26 | |
27 | #include "config.h" |
28 | #include "PendingScript.h" |
29 | |
30 | #include "PendingScriptClient.h" |
31 | #include "ScriptElement.h" |
32 | |
33 | namespace WebCore { |
34 | |
35 | Ref<PendingScript> PendingScript::create(ScriptElement& element, LoadableScript& loadableScript) |
36 | { |
37 | auto pendingScript = adoptRef(*new PendingScript(element, loadableScript)); |
38 | loadableScript.addClient(pendingScript.get()); |
39 | return pendingScript; |
40 | } |
41 | |
42 | Ref<PendingScript> PendingScript::create(ScriptElement& element, TextPosition scriptStartPosition) |
43 | { |
44 | return adoptRef(*new PendingScript(element, scriptStartPosition)); |
45 | } |
46 | |
47 | PendingScript::PendingScript(ScriptElement& element, TextPosition startingPosition) |
48 | : m_element(element) |
49 | , m_startingPosition(startingPosition) |
50 | { |
51 | } |
52 | |
53 | PendingScript::PendingScript(ScriptElement& element, LoadableScript& loadableScript) |
54 | : m_element(element) |
55 | , m_loadableScript(&loadableScript) |
56 | { |
57 | } |
58 | |
59 | PendingScript::~PendingScript() |
60 | { |
61 | if (m_loadableScript) |
62 | m_loadableScript->removeClient(*this); |
63 | } |
64 | |
65 | void PendingScript::notifyClientFinished() |
66 | { |
67 | Ref<PendingScript> protectedThis(*this); |
68 | if (m_client) |
69 | m_client->notifyFinished(*this); |
70 | } |
71 | |
72 | void PendingScript::notifyFinished(LoadableScript&) |
73 | { |
74 | notifyClientFinished(); |
75 | } |
76 | |
77 | bool PendingScript::isLoaded() const |
78 | { |
79 | return m_loadableScript && m_loadableScript->isLoaded(); |
80 | } |
81 | |
82 | bool PendingScript::error() const |
83 | { |
84 | return m_loadableScript && m_loadableScript->error(); |
85 | } |
86 | |
87 | void PendingScript::setClient(PendingScriptClient& client) |
88 | { |
89 | ASSERT(!m_client); |
90 | m_client = &client; |
91 | if (isLoaded()) |
92 | notifyClientFinished(); |
93 | } |
94 | |
95 | void PendingScript::clearClient() |
96 | { |
97 | ASSERT(m_client); |
98 | m_client = nullptr; |
99 | } |
100 | |
101 | } |
102 | |