1/*
2 * Copyright (C) 2016 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 "ScriptElementCachedScriptFetcher.h"
29#include <JavaScriptCore/ConsoleTypes.h>
30#include <wtf/HashCountedSet.h>
31#include <wtf/text/WTFString.h>
32
33namespace WebCore {
34
35class LoadableScriptClient;
36class ScriptElement;
37
38class LoadableScript : public ScriptElementCachedScriptFetcher {
39public:
40 enum class ErrorType {
41 CachedScript,
42 CrossOriginLoad,
43 MIMEType,
44 Nosniff,
45 FailedIntegrityCheck,
46 };
47
48 struct ConsoleMessage {
49 MessageSource source;
50 MessageLevel level;
51 String message;
52 };
53
54 struct Error {
55 ErrorType type;
56 Optional<ConsoleMessage> consoleMessage;
57 };
58
59 virtual ~LoadableScript() = default;
60
61 virtual bool isLoaded() const = 0;
62 virtual Optional<Error> error() const = 0;
63 virtual bool wasCanceled() const = 0;
64
65 virtual void execute(ScriptElement&) = 0;
66
67 void addClient(LoadableScriptClient&);
68 void removeClient(LoadableScriptClient&);
69
70protected:
71 LoadableScript(const String& nonce, const String& crossOriginMode, const String& charset, const AtomicString& initiatorName, bool isInUserAgentShadowTree)
72 : ScriptElementCachedScriptFetcher(nonce, crossOriginMode, charset, initiatorName, isInUserAgentShadowTree)
73 {
74 }
75
76 void notifyClientFinished();
77
78private:
79 HashCountedSet<LoadableScriptClient*> m_clients;
80};
81
82}
83