1 | /* |
2 | * Copyright (C) 2006 Apple Inc. All rights reserved. |
3 | * Copyright (C) 2016 Canon 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 | #pragma once |
28 | |
29 | #include <wtf/URL.h> |
30 | #include <wtf/text/WTFString.h> |
31 | |
32 | namespace WebCore { |
33 | |
34 | class ResourceError; |
35 | |
36 | WEBCORE_EXPORT extern const char* const errorDomainWebKitInternal; // Used for errors that won't be exposed to clients. |
37 | WEBCORE_EXPORT extern const char* const errorDomainWebKitServiceWorker; // Used for errors that happen when loading a resource from a service worker. |
38 | |
39 | class ResourceErrorBase { |
40 | public: |
41 | WEBCORE_EXPORT ResourceError isolatedCopy() const; |
42 | |
43 | const String& domain() const { lazyInit(); return m_domain; } |
44 | int errorCode() const { lazyInit(); return m_errorCode; } |
45 | const URL& failingURL() const { lazyInit(); return m_failingURL; } |
46 | const String& localizedDescription() const { lazyInit(); return m_localizedDescription; } |
47 | |
48 | enum class Type : uint8_t { |
49 | Null, |
50 | General, |
51 | AccessControl, |
52 | Cancellation, |
53 | Timeout |
54 | }; |
55 | |
56 | bool isNull() const { return m_type == Type::Null; } |
57 | bool isGeneral() const { return m_type == Type::General; } |
58 | bool isAccessControl() const { return m_type == Type::AccessControl; } |
59 | bool isCancellation() const { return m_type == Type::Cancellation; } |
60 | bool isTimeout() const { return m_type == Type::Timeout; } |
61 | |
62 | static bool compare(const ResourceError&, const ResourceError&); |
63 | |
64 | WEBCORE_EXPORT void setType(Type); |
65 | Type type() const { return m_type; } |
66 | |
67 | protected: |
68 | ResourceErrorBase(Type type) : m_type(type) { } |
69 | |
70 | ResourceErrorBase(const String& domain, int errorCode, const URL& failingURL, const String& localizedDescription, Type type) |
71 | : m_domain(domain) |
72 | , m_failingURL(failingURL) |
73 | , m_localizedDescription(localizedDescription) |
74 | , m_errorCode(errorCode) |
75 | , m_type(type) |
76 | { |
77 | } |
78 | |
79 | WEBCORE_EXPORT void lazyInit() const; |
80 | |
81 | // The ResourceError subclass may "shadow" this method to lazily initialize platform specific fields |
82 | void platformLazyInit() {} |
83 | |
84 | // The ResourceError subclass may "shadow" this method to compare platform specific fields |
85 | static bool platformCompare(const ResourceError&, const ResourceError&) { return true; } |
86 | |
87 | String m_domain; |
88 | URL m_failingURL; |
89 | String m_localizedDescription; |
90 | int m_errorCode { 0 }; |
91 | Type m_type { Type::General }; |
92 | |
93 | private: |
94 | const ResourceError& asResourceError() const; |
95 | }; |
96 | |
97 | inline bool operator==(const ResourceError& a, const ResourceError& b) { return ResourceErrorBase::compare(a, b); } |
98 | inline bool operator!=(const ResourceError& a, const ResourceError& b) { return !(a == b); } |
99 | |
100 | } // namespace WebCore |
101 | |