DOMApplicationCache.cpp [plain text]
#include "config.h"
#include "DOMApplicationCache.h"
#include "ApplicationCacheHost.h"
#include "Document.h"
#include "DocumentLoader.h"
#include "ExceptionCode.h"
#include "Frame.h"
#include "FrameLoader.h"
namespace WebCore {
DOMApplicationCache::DOMApplicationCache(Frame& frame)
: DOMWindowProperty(&frame)
{
if (auto* host = applicationCacheHost())
host->setDOMApplicationCache(this);
}
void DOMApplicationCache::disconnectFrameForDocumentSuspension()
{
if (auto* host = applicationCacheHost())
host->setDOMApplicationCache(nullptr);
DOMWindowProperty::disconnectFrameForDocumentSuspension();
}
void DOMApplicationCache::reconnectFrameFromDocumentSuspension(Frame* frame)
{
DOMWindowProperty::reconnectFrameFromDocumentSuspension(frame);
if (auto* host = applicationCacheHost())
host->setDOMApplicationCache(this);
}
void DOMApplicationCache::willDestroyGlobalObjectInFrame()
{
if (auto* host = applicationCacheHost())
host->setDOMApplicationCache(nullptr);
DOMWindowProperty::willDestroyGlobalObjectInFrame();
}
ApplicationCacheHost* DOMApplicationCache::applicationCacheHost() const
{
if (!m_frame)
return nullptr;
auto* documentLoader = m_frame->loader().documentLoader();
if (!documentLoader)
return nullptr;
return &documentLoader->applicationCacheHost();
}
unsigned short DOMApplicationCache::status() const
{
auto* host = applicationCacheHost();
if (!host)
return ApplicationCacheHost::UNCACHED;
return host->status();
}
ExceptionOr<void> DOMApplicationCache::update()
{
auto* host = applicationCacheHost();
if (!host || !host->update())
return Exception { INVALID_STATE_ERR };
return { };
}
ExceptionOr<void> DOMApplicationCache::swapCache()
{
auto* host = applicationCacheHost();
if (!host || !host->swapCache())
return Exception { INVALID_STATE_ERR };
return { };
}
void DOMApplicationCache::abort()
{
if (auto* host = applicationCacheHost())
host->abort();
}
ScriptExecutionContext* DOMApplicationCache::scriptExecutionContext() const
{
if (!m_frame)
return nullptr;
return m_frame->document();
}
}