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 PolicyChecker_h 31 #define PolicyChecker_h 32 33 #include "FrameLoaderTypes.h" 34 #include "PlatformString.h" 35 #include "PolicyCallback.h" 36 #include "ResourceRequest.h" 37 #include <wtf/PassRefPtr.h> 38 39 namespace WebCore { 40 41 class DocumentLoader; 42 class FormState; 43 class Frame; 44 class NavigationAction; 45 class ResourceError; 46 class ResourceResponse; 47 48 class PolicyChecker : public Noncopyable { 49 public: 50 PolicyChecker(Frame*); 51 52 void checkNavigationPolicy(const ResourceRequest&, DocumentLoader*, PassRefPtr<FormState>, NavigationPolicyDecisionFunction, void* argument); 53 void checkNavigationPolicy(const ResourceRequest&, NavigationPolicyDecisionFunction, void* argument); 54 void checkNewWindowPolicy(const NavigationAction&, NewWindowPolicyDecisionFunction, const ResourceRequest&, PassRefPtr<FormState>, const String& frameName, void* argument); 55 void checkContentPolicy(const String& MIMEType, ContentPolicyDecisionFunction, void* argument); 56 57 // FIXME: These are different. They could use better names. 58 void cancelCheck(); 59 void stopCheck(); 60 61 void cannotShowMIMEType(const ResourceResponse&); 62 63 FrameLoadType loadType() const { return m_loadType; } 64 void setLoadType(FrameLoadType loadType) { m_loadType = loadType; } 65 66 bool delegateIsDecidingNavigationPolicy() const { return m_delegateIsDecidingNavigationPolicy; } 67 bool delegateIsHandlingUnimplementablePolicy() const { return m_delegateIsHandlingUnimplementablePolicy; } 68 69 // FIXME: This function is a cheat. Basically, this is just an asynchronouc callback 70 // from the FrameLoaderClient, but this callback uses the policy types and so has to 71 // live on this object. In the long term, we should create a type for non-policy 72 // callbacks from the FrameLoaderClient and remove this vestige. I just don't have 73 // the heart to hack on all the platforms to make that happen right now. 74 void continueLoadAfterWillSubmitForm(PolicyAction); 75 76 private: 77 void continueAfterNavigationPolicy(PolicyAction); 78 void continueAfterNewWindowPolicy(PolicyAction); 79 void continueAfterContentPolicy(PolicyAction); 80 81 void handleUnimplementablePolicy(const ResourceError&); 82 83 Frame* m_frame; 84 85 bool m_delegateIsDecidingNavigationPolicy; 86 bool m_delegateIsHandlingUnimplementablePolicy; 87 88 // This identifies the type of navigation action which prompted this load. Note 89 // that WebKit conveys this value as the WebActionNavigationTypeKey value 90 // on navigation action delegate callbacks. 91 FrameLoadType m_loadType; 92 PolicyCallback m_callback; 93 }; 94 95 } // namespace WebCore 96 97 #endif // PolicyChecker_h 98
