BackForwardListChromium.cpp [plain text]
#include "config.h"
#include "BackForwardList.h"
#include "HistoryItem.h"
#include "Logging.h"
namespace WebCore {
static const unsigned DefaultCapacity = 100;
static const unsigned NoCurrentItemIndex = UINT_MAX;
BackForwardList::BackForwardList(Page* page)
: m_page(page)
, m_client(0)
, m_capacity(DefaultCapacity)
, m_closed(true)
, m_enabled(true)
{
}
BackForwardList::~BackForwardList()
{
ASSERT(m_closed);
}
void BackForwardList::addItem(PassRefPtr<HistoryItem> prpItem)
{
ASSERT(prpItem);
if (m_capacity == 0 || !m_enabled)
return;
m_client->addItem(prpItem);
}
void BackForwardList::goToItem(HistoryItem* item)
{
m_client->goToItem(item);
}
HistoryItem* BackForwardList::backItem()
{
ASSERT_NOT_REACHED();
return 0;
}
HistoryItem* BackForwardList::forwardItem()
{
ASSERT_NOT_REACHED();
return 0;
}
HistoryItem* BackForwardList::currentItem()
{
return m_client->currentItem();
}
int BackForwardList::capacity()
{
return m_capacity;
}
void BackForwardList::setCapacity(int size)
{
m_capacity = size;
}
bool BackForwardList::enabled()
{
return m_enabled;
}
void BackForwardList::setEnabled(bool enabled)
{
m_enabled = enabled;
if (!enabled) {
int capacity = m_capacity;
setCapacity(0);
setCapacity(capacity);
}
}
int BackForwardList::backListCount()
{
return m_client->backListCount();
}
int BackForwardList::forwardListCount()
{
return m_client->forwardListCount();
}
HistoryItem* BackForwardList::itemAtIndex(int index)
{
return m_client->itemAtIndex(index);
}
HistoryItemVector& BackForwardList::entries()
{
static HistoryItemVector noEntries;
return noEntries;
}
void BackForwardList::close()
{
if (m_client)
m_client->close();
m_page = 0;
m_closed = true;
}
bool BackForwardList::closed()
{
return m_closed;
}
}