WebBackForwardListProxy.h [plain text]
#pragma once
#include "WebBackForwardListCounts.h"
#include <WebCore/BackForwardClient.h>
#include <WebCore/PageIdentifier.h>
#include <wtf/HashSet.h>
namespace WebCore {
struct BackForwardItemIdentifier;
}
namespace WebKit {
class WebPage;
class WebBackForwardListProxy : public WebCore::BackForwardClient {
public:
static Ref<WebBackForwardListProxy> create(WebPage& page) { return adoptRef(*new WebBackForwardListProxy(page)); }
static WebCore::HistoryItem* itemForID(const WebCore::BackForwardItemIdentifier&);
static void removeItem(const WebCore::BackForwardItemIdentifier&);
enum class OverwriteExistingItem {
Yes,
No
};
void addItemFromUIProcess(const WebCore::BackForwardItemIdentifier&, Ref<WebCore::HistoryItem>&&, WebCore::PageIdentifier, OverwriteExistingItem);
void clear();
private:
WebBackForwardListProxy(WebPage&);
void addItem(Ref<WebCore::HistoryItem>&&) override;
void goToItem(WebCore::HistoryItem&) override;
RefPtr<WebCore::HistoryItem> itemAtIndex(int) override;
unsigned backListCount() const override;
unsigned forwardListCount() const override;
const WebBackForwardListCounts& cacheListCountsIfNecessary() const;
void clearCachedListCounts();
void close() override;
WebPage* m_page;
mutable Optional<WebBackForwardListCounts> m_cachedBackForwardListCounts;
};
}