#include "config.h"
#include "CachedScript.h"
#include "CachedResourceClient.h"
#include "CachedResourceClientWalker.h"
#include "SharedBuffer.h"
#include "TextResourceDecoder.h"
#include <wtf/Vector.h>
namespace WebCore {
CachedScript::CachedScript(const String& url, const String& charset)
: CachedResource(url, Script)
, m_decoder(TextResourceDecoder::create("application/javascript", charset))
, m_decodedDataDeletionTimer(this, &CachedScript::decodedDataDeletionTimerFired)
{
setAccept("*/*");
}
CachedScript::~CachedScript()
{
}
void CachedScript::didAddClient(CachedResourceClient* c)
{
if (!isLoading())
c->notifyFinished(this);
}
void CachedScript::allClientsRemoved()
{
m_decodedDataDeletionTimer.startOneShot(0);
}
void CachedScript::setEncoding(const String& chs)
{
m_decoder->setEncoding(chs, TextResourceDecoder::EncodingFromHTTPHeader);
}
String CachedScript::encoding() const
{
return m_decoder->encoding().name();
}
const String& CachedScript::script()
{
ASSERT(!isPurgeable());
if (!m_script && m_data) {
m_script = m_decoder->decode(m_data->data(), encodedSize());
m_script += m_decoder->flush();
setDecodedSize(m_script.length() * sizeof(UChar));
}
m_decodedDataDeletionTimer.startOneShot(0);
return m_script;
}
void CachedScript::data(PassRefPtr<SharedBuffer> data, bool allDataReceived)
{
if (!allDataReceived)
return;
m_data = data;
setEncodedSize(m_data.get() ? m_data->size() : 0);
setLoading(false);
checkNotify();
}
void CachedScript::checkNotify()
{
if (isLoading())
return;
CachedResourceClientWalker w(m_clients);
while (CachedResourceClient* c = w.next())
c->notifyFinished(this);
}
void CachedScript::error(CachedResource::Status status)
{
setStatus(status);
ASSERT(errorOccurred());
setLoading(false);
checkNotify();
}
void CachedScript::destroyDecodedData()
{
m_script = String();
setDecodedSize(0);
if (isSafeToMakePurgeable())
makePurgeable(true);
}
void CachedScript::decodedDataDeletionTimerFired(Timer<CachedScript>*)
{
destroyDecodedData();
}
}