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 | #include "config.h" |
27 | #include "UserContentController.h" |
28 | |
29 | #include "DOMWrapperWorld.h" |
30 | #include "UserScript.h" |
31 | #include "UserStyleSheet.h" |
32 | #include <JavaScriptCore/HeapInlines.h> |
33 | #include <JavaScriptCore/JSCellInlines.h> |
34 | #include <JavaScriptCore/StructureInlines.h> |
35 | |
36 | #if ENABLE(CONTENT_EXTENSIONS) |
37 | #include "CompiledContentExtension.h" |
38 | #endif |
39 | |
40 | namespace WebCore { |
41 | |
42 | Ref<UserContentController> UserContentController::create() |
43 | { |
44 | return adoptRef(*new UserContentController); |
45 | } |
46 | |
47 | UserContentController::UserContentController() = default; |
48 | |
49 | UserContentController::~UserContentController() = default; |
50 | |
51 | void UserContentController::forEachUserScript(Function<void(DOMWrapperWorld&, const UserScript&)>&& functor) const |
52 | { |
53 | for (const auto& worldAndUserScriptVector : m_userScripts) { |
54 | auto& world = *worldAndUserScriptVector.key.get(); |
55 | for (const auto& userScript : *worldAndUserScriptVector.value) |
56 | functor(world, *userScript); |
57 | } |
58 | } |
59 | |
60 | void UserContentController::forEachUserStyleSheet(Function<void(const UserStyleSheet&)>&& functor) const |
61 | { |
62 | for (auto& styleSheetVector : m_userStyleSheets.values()) { |
63 | for (const auto& styleSheet : *styleSheetVector) |
64 | functor(*styleSheet); |
65 | } |
66 | } |
67 | |
68 | #if ENABLE(USER_MESSAGE_HANDLERS) |
69 | void UserContentController::forEachUserMessageHandler(Function<void(const UserMessageHandlerDescriptor&)>&&) const |
70 | { |
71 | } |
72 | #endif |
73 | |
74 | void UserContentController::addUserScript(DOMWrapperWorld& world, std::unique_ptr<UserScript> userScript) |
75 | { |
76 | auto& scriptsInWorld = m_userScripts.ensure(&world, [&] { return std::make_unique<UserScriptVector>(); }).iterator->value; |
77 | scriptsInWorld->append(WTFMove(userScript)); |
78 | } |
79 | |
80 | void UserContentController::removeUserScript(DOMWrapperWorld& world, const URL& url) |
81 | { |
82 | auto it = m_userScripts.find(&world); |
83 | if (it == m_userScripts.end()) |
84 | return; |
85 | |
86 | auto scripts = it->value.get(); |
87 | for (int i = scripts->size() - 1; i >= 0; --i) { |
88 | if (scripts->at(i)->url() == url) |
89 | scripts->remove(i); |
90 | } |
91 | |
92 | if (scripts->isEmpty()) |
93 | m_userScripts.remove(it); |
94 | } |
95 | |
96 | void UserContentController::removeUserScripts(DOMWrapperWorld& world) |
97 | { |
98 | m_userScripts.remove(&world); |
99 | } |
100 | |
101 | void UserContentController::addUserStyleSheet(DOMWrapperWorld& world, std::unique_ptr<UserStyleSheet> userStyleSheet, UserStyleInjectionTime injectionTime) |
102 | { |
103 | auto& styleSheetsInWorld = m_userStyleSheets.ensure(&world, [&] { return std::make_unique<UserStyleSheetVector>(); }).iterator->value; |
104 | styleSheetsInWorld->append(WTFMove(userStyleSheet)); |
105 | |
106 | if (injectionTime == InjectInExistingDocuments) |
107 | invalidateInjectedStyleSheetCacheInAllFramesInAllPages(); |
108 | } |
109 | |
110 | void UserContentController::removeUserStyleSheet(DOMWrapperWorld& world, const URL& url) |
111 | { |
112 | auto it = m_userStyleSheets.find(&world); |
113 | if (it == m_userStyleSheets.end()) |
114 | return; |
115 | |
116 | auto& stylesheets = *it->value; |
117 | |
118 | bool sheetsChanged = false; |
119 | for (int i = stylesheets.size() - 1; i >= 0; --i) { |
120 | if (stylesheets[i]->url() == url) { |
121 | stylesheets.remove(i); |
122 | sheetsChanged = true; |
123 | } |
124 | } |
125 | |
126 | if (!sheetsChanged) |
127 | return; |
128 | |
129 | if (stylesheets.isEmpty()) |
130 | m_userStyleSheets.remove(it); |
131 | |
132 | invalidateInjectedStyleSheetCacheInAllFramesInAllPages(); |
133 | } |
134 | |
135 | void UserContentController::removeUserStyleSheets(DOMWrapperWorld& world) |
136 | { |
137 | if (!m_userStyleSheets.remove(&world)) |
138 | return; |
139 | |
140 | invalidateInjectedStyleSheetCacheInAllFramesInAllPages(); |
141 | } |
142 | |
143 | void UserContentController::removeAllUserContent() |
144 | { |
145 | m_userScripts.clear(); |
146 | |
147 | if (!m_userStyleSheets.isEmpty()) { |
148 | m_userStyleSheets.clear(); |
149 | invalidateInjectedStyleSheetCacheInAllFramesInAllPages(); |
150 | } |
151 | } |
152 | |
153 | } // namespace WebCore |
154 | |