#pragma once
#include <WebCore/BackForwardClient.h>
#include <wtf/HashSet.h>
#include <wtf/Vector.h>
OBJC_CLASS WebView;
typedef HashSet<RefPtr<WebCore::HistoryItem>> HistoryItemHashSet;
class BackForwardList : public WebCore::BackForwardClient {
public:
static Ref<BackForwardList> create(WebView *webView) { return adoptRef(*new BackForwardList(webView)); }
virtual ~BackForwardList();
WebView *webView() { return m_webView; }
void addItem(Ref<WebCore::HistoryItem>&&) override;
void goBack();
void goForward();
void goToItem(WebCore::HistoryItem*) override;
WebCore::HistoryItem* backItem();
WebCore::HistoryItem* currentItem();
WebCore::HistoryItem* forwardItem();
WebCore::HistoryItem* itemAtIndex(int) override;
void backListWithLimit(int, Vector<Ref<WebCore::HistoryItem>>&);
void forwardListWithLimit(int, Vector<Ref<WebCore::HistoryItem>>&);
int capacity();
void setCapacity(int);
bool enabled();
void setEnabled(bool);
int backListCount() override;
int forwardListCount() override;
bool containsItem(WebCore::HistoryItem&);
void close() override;
bool closed();
void removeItem(WebCore::HistoryItem&);
const Vector<Ref<WebCore::HistoryItem>>& entries() const { return m_entries; }
#if PLATFORM(IOS)
unsigned current();
void setCurrent(unsigned newCurrent);
#endif
private:
explicit BackForwardList(WebView *);
WebView* m_webView;
Vector<Ref<WebCore::HistoryItem>> m_entries;
HistoryItemHashSet m_entryHash;
unsigned m_current;
unsigned m_capacity;
bool m_closed;
bool m_enabled;
};