1/*
2 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
3 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
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 *
9 * 1.  Redistributions of source code must retain the above copyright
10 *     notice, this list of conditions and the following disclaimer.
11 * 2.  Redistributions in binary form must reproduce the above copyright
12 *     notice, this list of conditions and the following disclaimer in the
13 *     documentation and/or other materials provided with the distribution.
14 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
15 *     its contributors may be used to endorse or promote products derived
16 *     from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef PolicyCallback_h
31#define PolicyCallback_h
32
33#include "FrameLoaderTypes.h"
34#include "PlatformString.h"
35#include "ResourceRequest.h"
36#include <wtf/RefPtr.h>
37
38namespace WebCore {
39
40class FormState;
41
42typedef void (*NavigationPolicyDecisionFunction)(void* argument,
43    const ResourceRequest&, PassRefPtr<FormState>, bool shouldContinue);
44typedef void (*NewWindowPolicyDecisionFunction)(void* argument,
45    const ResourceRequest&, PassRefPtr<FormState>, const String& frameName, bool shouldContinue);
46typedef void (*ContentPolicyDecisionFunction)(void* argument, PolicyAction);
47
48class PolicyCallback {
49public:
50    PolicyCallback();
51    ~PolicyCallback();
52
53    void clear();
54    void set(const ResourceRequest&, PassRefPtr<FormState>,
55        NavigationPolicyDecisionFunction, void* argument);
56    void set(const ResourceRequest&, PassRefPtr<FormState>, const String& frameName,
57        NewWindowPolicyDecisionFunction, void* argument);
58    void set(ContentPolicyDecisionFunction, void* argument);
59
60    const ResourceRequest& request() const { return m_request; }
61    void clearRequest();
62
63    void call(bool shouldContinue);
64    void call(PolicyAction);
65    void cancel();
66
67private:
68    ResourceRequest m_request;
69    RefPtr<FormState> m_formState;
70    String m_frameName;
71
72    NavigationPolicyDecisionFunction m_navigationFunction;
73    NewWindowPolicyDecisionFunction m_newWindowFunction;
74    ContentPolicyDecisionFunction m_contentFunction;
75    void* m_argument;
76};
77
78} // namespace WebCore
79
80#endif // PolicyCallback_h
81