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 "NavigationAction.h"
35 #include "ResourceRequest.h"
36 #include <wtf/RefPtr.h>
37 #include <wtf/text/WTFString.h>
38 
39 namespace WebCore {
40 
41 class FormState;
42 
43 typedef void (*NavigationPolicyDecisionFunction)(void* argument,
44     const ResourceRequest&, PassRefPtr<FormState>, bool shouldContinue);
45 typedef void (*NewWindowPolicyDecisionFunction)(void* argument,
46     const ResourceRequest&, PassRefPtr<FormState>, const String& frameName, const NavigationAction&, bool shouldContinue);
47 typedef void (*ContentPolicyDecisionFunction)(void* argument, PolicyAction);
48 
49 class PolicyCallback {
50 public:
51     PolicyCallback();
52     ~PolicyCallback();
53 
54     void clear();
55     void set(const ResourceRequest&, PassRefPtr<FormState>,
56         NavigationPolicyDecisionFunction, void* argument);
57     void set(const ResourceRequest&, PassRefPtr<FormState>, const String& frameName, const NavigationAction&,
58         NewWindowPolicyDecisionFunction, void* argument);
59     void set(ContentPolicyDecisionFunction, void* argument);
60 
request()61     const ResourceRequest& request() const { return m_request; }
62     void clearRequest();
63 
64     void call(bool shouldContinue);
65     void call(PolicyAction);
66     void cancel();
67 
68 private:
69     ResourceRequest m_request;
70     RefPtr<FormState> m_formState;
71     String m_frameName;
72     NavigationAction m_navigationAction;
73 
74     NavigationPolicyDecisionFunction m_navigationFunction;
75     NewWindowPolicyDecisionFunction m_newWindowFunction;
76     ContentPolicyDecisionFunction m_contentFunction;
77     void* m_argument;
78 };
79 
80 } // namespace WebCore
81 
82 #endif // PolicyCallback_h
83