#pragma once
#include "FrameLoaderTypes.h"
#include "ResourceRequest.h"
#include <wtf/WeakPtr.h>
#include <wtf/text/WTFString.h>
#if ENABLE(CONTENT_FILTERING)
#include "ContentFilterUnblockHandler.h"
#endif
namespace WTF {
template<typename> class CompletionHandler;
class CompletionHandlerCallingScope;
}
namespace WebCore {
class DocumentLoader;
class FormState;
class Frame;
class NavigationAction;
class ResourceError;
class ResourceResponse;
enum class ShouldContinue {
Yes,
No
};
enum class NavigationPolicyDecision : uint8_t {
ContinueLoad,
IgnoreLoad,
StopAllLoads,
};
enum class PolicyDecisionMode { Synchronous, Asynchronous };
using NewWindowPolicyDecisionFunction = CompletionHandler<void(const ResourceRequest&, WeakPtr<FormState>&&, const String& frameName, const NavigationAction&, ShouldContinue)>;
using NavigationPolicyDecisionFunction = CompletionHandler<void(ResourceRequest&&, WeakPtr<FormState>&&, NavigationPolicyDecision)>;
class PolicyChecker {
WTF_MAKE_NONCOPYABLE(PolicyChecker);
WTF_MAKE_FAST_ALLOCATED;
public:
explicit PolicyChecker(Frame&);
void checkNavigationPolicy(ResourceRequest&&, const ResourceResponse& redirectResponse, DocumentLoader*, RefPtr<FormState>&&, NavigationPolicyDecisionFunction&&, PolicyDecisionMode = PolicyDecisionMode::Asynchronous);
void checkNavigationPolicy(ResourceRequest&&, const ResourceResponse& redirectResponse, NavigationPolicyDecisionFunction&&);
void checkNewWindowPolicy(NavigationAction&&, ResourceRequest&&, RefPtr<FormState>&&, const String& frameName, NewWindowPolicyDecisionFunction&&);
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; }
#if ENABLE(CONTENT_FILTERING)
void setContentFilterUnblockHandler(ContentFilterUnblockHandler unblockHandler) { m_contentFilterUnblockHandler = WTFMove(unblockHandler); }
#endif
private:
void handleUnimplementablePolicy(const ResourceError&);
WTF::CompletionHandlerCallingScope extendBlobURLLifetimeIfNecessary(ResourceRequest&) const;
Frame& m_frame;
bool m_delegateIsDecidingNavigationPolicy;
bool m_delegateIsHandlingUnimplementablePolicy;
FrameLoadType m_loadType;
#if ENABLE(CONTENT_FILTERING)
ContentFilterUnblockHandler m_contentFilterUnblockHandler;
#endif
};
}