/* | |
Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) | |
Copyright (C) 2001 Dirk Mueller (mueller@kde.org) | |
Copyright (C) 2002 Waldo Bastian (bastian@kde.org) | |
Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | |
Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | |
This library is free software; you can redistribute it and/or | |
modify it under the terms of the GNU Library General Public | |
License as published by the Free Software Foundation; either | |
version 2 of the License, or (at your option) any later version. | |
This library is distributed in the hope that it will be useful, | |
but WITHOUT ANY WARRANTY; without even the implied warranty of | |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
Library General Public License for more details. | |
You should have received a copy of the GNU Library General Public License | |
along with this library; see the file COPYING.LIB. If not, write to | |
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
Boston, MA 02110-1301, USA. | |
This class provides all functionality needed for loading images, style sheets and html | |
pages from the web. It has a memory cache for these objects. | |
*/ | |
#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) | |
{ | |
// It's javascript we want. | |
// But some websites think their scripts are <some wrong mimetype here> | |
// and refuse to serve them if we only accept application/x-javascript. | |
setAccept("*/*"); | |
} | |
CachedScript::~CachedScript() | |
{ | |
} | |
void CachedScript::didAddClient(CachedResourceClient* c) | |
{ | |
if (!m_loading) | |
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); | |
m_loading = false; | |
checkNotify(); | |
} | |
void CachedScript::checkNotify() | |
{ | |
if (m_loading) | |
return; | |
CachedResourceClientWalker w(m_clients); | |
while (CachedResourceClient* c = w.next()) | |
c->notifyFinished(this); | |
} | |
void CachedScript::error() | |
{ | |
m_loading = false; | |
m_errorOccurred = true; | |
checkNotify(); | |
} | |
void CachedScript::destroyDecodedData() | |
{ | |
m_script = String(); | |
setDecodedSize(0); | |
if (isSafeToMakePurgeable()) | |
makePurgeable(true); | |
} | |
void CachedScript::decodedDataDeletionTimerFired(Timer<CachedScript>*) | |
{ | |
destroyDecodedData(); | |
} | |
} // namespace WebCore |