--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/loader/PolicyChecker.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer. 
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef PolicyChecker_h
+#define PolicyChecker_h
+
+#include "FrameLoaderTypes.h"
+#include "PlatformString.h"
+#include "PolicyCallback.h"
+#include "ResourceRequest.h"
+#include <wtf/PassRefPtr.h>
+
+namespace WebCore {
+
+class DocumentLoader;
+class FormState;
+class Frame;
+class NavigationAction;
+class ResourceError;
+class ResourceResponse;
+
+class PolicyChecker : public Noncopyable {
+public:
+    PolicyChecker(Frame*);
+
+    void checkNavigationPolicy(const ResourceRequest&, DocumentLoader*, PassRefPtr<FormState>, NavigationPolicyDecisionFunction, void* argument);
+    void checkNavigationPolicy(const ResourceRequest&, NavigationPolicyDecisionFunction, void* argument);
+    void checkNewWindowPolicy(const NavigationAction&, NewWindowPolicyDecisionFunction, const ResourceRequest&, PassRefPtr<FormState>, const String& frameName, void* argument);
+    void checkContentPolicy(const String& MIMEType, ContentPolicyDecisionFunction, void* argument);
+
+    // FIXME: These are different.  They could use better names.
+    void cancelCheck();
+    void stopCheck();
+
+    void cannotShowMIMEType(const ResourceResponse&);
+
+    FrameLoadType loadType() const { return m_loadType; }
+    void setLoadType(FrameLoadType loadType) { m_loadType = loadType; }
+
+    bool delegateIsDecidingNavigationPolicy() const { return m_delegateIsDecidingNavigationPolicy; }
+    bool delegateIsHandlingUnimplementablePolicy() const { return m_delegateIsHandlingUnimplementablePolicy; }
+
+    // FIXME: This function is a cheat.  Basically, this is just an asynchronouc callback
+    // from the FrameLoaderClient, but this callback uses the policy types and so has to
+    // live on this object.  In the long term, we should create a type for non-policy
+    // callbacks from the FrameLoaderClient and remove this vestige.  I just don't have
+    // the heart to hack on all the platforms to make that happen right now.
+    void continueLoadAfterWillSubmitForm(PolicyAction);
+
+private:
+    void continueAfterNavigationPolicy(PolicyAction);
+    void continueAfterNewWindowPolicy(PolicyAction);
+    void continueAfterContentPolicy(PolicyAction);
+
+    void handleUnimplementablePolicy(const ResourceError&);
+
+    Frame* m_frame;
+
+    bool m_delegateIsDecidingNavigationPolicy;
+    bool m_delegateIsHandlingUnimplementablePolicy;
+
+    // This identifies the type of navigation action which prompted this load. Note 
+    // that WebKit conveys this value as the WebActionNavigationTypeKey value
+    // on navigation action delegate callbacks.
+    FrameLoadType m_loadType;
+    PolicyCallback m_callback;
+};
+
+} // namespace WebCore
+
+#endif // PolicyChecker_h