1 | /* |
2 | * Copyright (C) 2014, 2015 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. AND ITS CONTRIBUTORS ``AS IS'' |
14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
23 | * THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #if ENABLE(CONTENT_EXTENSIONS) |
29 | |
30 | #include "ContentExtension.h" |
31 | #include "ContentExtensionRule.h" |
32 | #include <wtf/HashMap.h> |
33 | #include <wtf/text/StringHash.h> |
34 | #include <wtf/text/WTFString.h> |
35 | |
36 | namespace WebCore { |
37 | |
38 | class DocumentLoader; |
39 | class ResourceRequest; |
40 | |
41 | namespace ContentExtensions { |
42 | |
43 | class CompiledContentExtension; |
44 | struct ResourceLoadInfo; |
45 | |
46 | // The ContentExtensionsBackend is the internal model of all the content extensions. |
47 | // |
48 | // It provides two services: |
49 | // 1) It stores the rules for each content extension. |
50 | // 2) It provides APIs for the WebCore interfaces to use those rules efficiently. |
51 | class ContentExtensionsBackend { |
52 | public: |
53 | // - Rule management interface. This can be used by upper layer. |
54 | |
55 | // Set a list of rules for a given name. If there were existing rules for the name, they are overridden. |
56 | // The identifier cannot be empty. |
57 | WEBCORE_EXPORT void addContentExtension(const String& identifier, Ref<CompiledContentExtension>, ContentExtension::ShouldCompileCSS = ContentExtension::ShouldCompileCSS::Yes); |
58 | WEBCORE_EXPORT void removeContentExtension(const String& identifier); |
59 | WEBCORE_EXPORT void removeAllContentExtensions(); |
60 | |
61 | // - Internal WebCore Interface. |
62 | WEBCORE_EXPORT Vector<ActionsFromContentRuleList> actionsForResourceLoad(const ResourceLoadInfo&) const; |
63 | WEBCORE_EXPORT StyleSheetContents* globalDisplayNoneStyleSheet(const String& identifier) const; |
64 | |
65 | ContentRuleListResults processContentRuleListsForLoad(const URL&, OptionSet<ResourceType>, DocumentLoader& initiatingDocumentLoader); |
66 | WEBCORE_EXPORT ContentRuleListResults processContentRuleListsForPingLoad(const URL&, const URL& mainDocumentURL); |
67 | |
68 | static const String& displayNoneCSSRule(); |
69 | |
70 | void forEach(const Function<void(const String&, ContentExtension&)>&); |
71 | |
72 | private: |
73 | HashMap<String, Ref<ContentExtension>> m_contentExtensions; |
74 | }; |
75 | |
76 | } // namespace ContentExtensions |
77 | } // namespace WebCore |
78 | |
79 | #endif // ENABLE(CONTENT_EXTENSIONS) |
80 | |