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. 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#include <functional>
29#include <wtf/Forward.h>
30#include <wtf/Function.h>
31#include <wtf/HashSet.h>
32#include <wtf/RefCounted.h>
33
34#if ENABLE(CONTENT_EXTENSIONS)
35#include "ContentExtensionActions.h"
36#include "ContentExtensionsBackend.h"
37#endif
38
39namespace WebCore {
40
41class DOMWrapperWorld;
42class DocumentLoader;
43class Page;
44class ResourceRequest;
45class UserMessageHandlerDescriptor;
46class UserScript;
47class UserStyleSheet;
48
49#if ENABLE(CONTENT_EXTENSIONS)
50namespace ContentExtensions {
51class ContentExtensionsBackend;
52enum class ResourceType : uint16_t;
53struct ResourceLoadInfo;
54}
55#endif
56
57class UserContentProvider;
58
59class UserContentProviderInvalidationClient {
60public:
61 virtual ~UserContentProviderInvalidationClient()
62 {
63 }
64
65 virtual void didInvalidate(UserContentProvider&) = 0;
66};
67
68class UserContentProvider : public RefCounted<UserContentProvider> {
69public:
70 WEBCORE_EXPORT UserContentProvider();
71 WEBCORE_EXPORT virtual ~UserContentProvider();
72
73 virtual void forEachUserScript(Function<void(DOMWrapperWorld&, const UserScript&)>&&) const = 0;
74 virtual void forEachUserStyleSheet(Function<void(const UserStyleSheet&)>&&) const = 0;
75#if ENABLE(USER_MESSAGE_HANDLERS)
76 virtual void forEachUserMessageHandler(Function<void(const UserMessageHandlerDescriptor&)>&&) const = 0;
77#endif
78#if ENABLE(CONTENT_EXTENSIONS)
79 virtual ContentExtensions::ContentExtensionsBackend& userContentExtensionBackend() = 0;
80#endif
81
82 void registerForUserMessageHandlerInvalidation(UserContentProviderInvalidationClient&);
83 void unregisterForUserMessageHandlerInvalidation(UserContentProviderInvalidationClient&);
84
85 void addPage(Page&);
86 void removePage(Page&);
87
88#if ENABLE(CONTENT_EXTENSIONS)
89 // FIXME: These don't really belong here. They should probably bundled up in the ContentExtensionsBackend
90 // which should always exist.
91 ContentRuleListResults processContentRuleListsForLoad(const URL&, OptionSet<ContentExtensions::ResourceType>, DocumentLoader& initiatingDocumentLoader);
92 Vector<ContentExtensions::ActionsFromContentRuleList> actionsForResourceLoad(const ContentExtensions::ResourceLoadInfo&, DocumentLoader& initiatingDocumentLoader);
93 WEBCORE_EXPORT void forEachContentExtension(const Function<void(const String&, ContentExtensions::ContentExtension&)>&, DocumentLoader& initiatingDocumentLoader);
94#endif
95
96protected:
97 WEBCORE_EXPORT void invalidateAllRegisteredUserMessageHandlerInvalidationClients();
98 WEBCORE_EXPORT void invalidateInjectedStyleSheetCacheInAllFramesInAllPages();
99
100private:
101 HashSet<Page*> m_pages;
102 HashSet<UserContentProviderInvalidationClient*> m_userMessageHandlerInvalidationClients;
103};
104
105} // namespace WebCore
106