1/*
2 * Copyright (C) 2014 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#ifndef WebUserContentControllerProxy_h
27#define WebUserContentControllerProxy_h
28
29#include "MessageReceiver.h"
30#include <wtf/Forward.h>
31#include <wtf/HashMap.h>
32#include <wtf/HashSet.h>
33#include <wtf/PassRefPtr.h>
34#include <wtf/RefCounted.h>
35#include <wtf/Vector.h>
36
37namespace IPC {
38class DataReference;
39}
40
41namespace WebCore {
42class UserScript;
43class UserStyleSheet;
44}
45
46namespace WebKit {
47
48class WebProcessProxy;
49class WebScriptMessageHandler;
50
51class WebUserContentControllerProxy : public RefCounted<WebUserContentControllerProxy>, private IPC::MessageReceiver {
52public:
53    static PassRefPtr<WebUserContentControllerProxy> create();
54    ~WebUserContentControllerProxy();
55
56    uint64_t identifier() const { return m_identifier; }
57
58    void addProcess(WebProcessProxy&);
59    void removeProcess(WebProcessProxy&);
60
61    void addUserScript(WebCore::UserScript);
62    void removeAllUserScripts();
63
64    void addUserStyleSheet(WebCore::UserStyleSheet);
65    void removeAllUserStyleSheets();
66
67    // Returns false if there was a name conflict.
68    bool addUserScriptMessageHandler(WebScriptMessageHandler*);
69    void removeUserMessageHandlerForName(const String&);
70
71private:
72    explicit WebUserContentControllerProxy();
73
74    // IPC::MessageReceiver.
75    virtual void didReceiveMessage(IPC::Connection*, IPC::MessageDecoder&) override;
76
77    void didPostMessage(IPC::Connection*, uint64_t pageID, uint64_t frameID, uint64_t messageHandlerID, const IPC::DataReference&);
78
79    uint64_t m_identifier;
80    HashSet<WebProcessProxy*> m_processes;
81
82    Vector<WebCore::UserScript> m_userScripts;
83    Vector<WebCore::UserStyleSheet> m_userStyleSheets;
84    HashMap<uint64_t, RefPtr<WebScriptMessageHandler>> m_scriptMessageHandlers;
85};
86
87} // namespace WebKit
88
89#endif // WebUserContentControllerProxy_h
90