diff options
Diffstat (limited to 'src/3rdparty/webkit/WebCore/loader/CachedCSSStyleSheet.cpp')
-rw-r--r-- | src/3rdparty/webkit/WebCore/loader/CachedCSSStyleSheet.cpp | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/src/3rdparty/webkit/WebCore/loader/CachedCSSStyleSheet.cpp b/src/3rdparty/webkit/WebCore/loader/CachedCSSStyleSheet.cpp deleted file mode 100644 index 3adf82a..0000000 --- a/src/3rdparty/webkit/WebCore/loader/CachedCSSStyleSheet.cpp +++ /dev/null @@ -1,150 +0,0 @@ -/* - 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 Apple Computer, Inc. - - 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 "CachedCSSStyleSheet.h" - -#include "CachedResourceClient.h" -#include "CachedResourceClientWalker.h" -#include "HTTPParsers.h" -#include "TextResourceDecoder.h" -#include "SharedBuffer.h" -#include "loader.h" -#include <wtf/Vector.h> - -namespace WebCore { - -CachedCSSStyleSheet::CachedCSSStyleSheet(const String& url, const String& charset) - : CachedResource(url, CSSStyleSheet) - , m_decoder(TextResourceDecoder::create("text/css", charset)) -{ - // Prefer text/css but accept any type (dell.com serves a stylesheet - // as text/html; see <http://bugs.webkit.org/show_bug.cgi?id=11451>). - setAccept("text/css,*/*;q=0.1"); -} - -CachedCSSStyleSheet::~CachedCSSStyleSheet() -{ -} - -void CachedCSSStyleSheet::didAddClient(CachedResourceClient *c) -{ - if (!m_loading) - c->setCSSStyleSheet(m_url, m_response.url(), m_decoder->encoding().name(), this); -} - -void CachedCSSStyleSheet::allClientsRemoved() -{ - if (isSafeToMakePurgeable()) - makePurgeable(true); -} - -void CachedCSSStyleSheet::setEncoding(const String& chs) -{ - m_decoder->setEncoding(chs, TextResourceDecoder::EncodingFromHTTPHeader); -} - -String CachedCSSStyleSheet::encoding() const -{ - return m_decoder->encoding().name(); -} - -const String CachedCSSStyleSheet::sheetText(bool enforceMIMEType, bool* hasValidMIMEType) const -{ - ASSERT(!isPurgeable()); - - if (!m_data || m_data->isEmpty() || !canUseSheet(enforceMIMEType, hasValidMIMEType)) - return String(); - - if (!m_decodedSheetText.isNull()) - return m_decodedSheetText; - - // Don't cache the decoded text, regenerating is cheap and it can use quite a bit of memory - String sheetText = m_decoder->decode(m_data->data(), m_data->size()); - sheetText += m_decoder->flush(); - return sheetText; -} - -void CachedCSSStyleSheet::data(PassRefPtr<SharedBuffer> data, bool allDataReceived) -{ - if (!allDataReceived) - return; - - m_data = data; - setEncodedSize(m_data.get() ? m_data->size() : 0); - // Decode the data to find out the encoding and keep the sheet text around during checkNotify() - if (m_data) { - m_decodedSheetText = m_decoder->decode(m_data->data(), m_data->size()); - m_decodedSheetText += m_decoder->flush(); - } - m_loading = false; - checkNotify(); - // Clear the decoded text as it is unlikely to be needed immediately again and is cheap to regenerate. - m_decodedSheetText = String(); -} - -void CachedCSSStyleSheet::checkNotify() -{ - if (m_loading) - return; - - CachedResourceClientWalker w(m_clients); - while (CachedResourceClient *c = w.next()) - c->setCSSStyleSheet(m_url, m_response.url(), m_decoder->encoding().name(), this); -} - -void CachedCSSStyleSheet::error() -{ - m_loading = false; - m_errorOccurred = true; - checkNotify(); -} - -bool CachedCSSStyleSheet::canUseSheet(bool enforceMIMEType, bool* hasValidMIMEType) const -{ - if (errorOccurred()) - return false; - - if (!enforceMIMEType && !hasValidMIMEType) - return true; - - // This check exactly matches Firefox. Note that we grab the Content-Type - // header directly because we want to see what the value is BEFORE content - // sniffing. Firefox does this by setting a "type hint" on the channel. - // This implementation should be observationally equivalent. - // - // This code defaults to allowing the stylesheet for non-HTTP protocols so - // folks can use standards mode for local HTML documents. - String mimeType = extractMIMETypeFromMediaType(response().httpHeaderField("Content-Type")); - bool typeOK = mimeType.isEmpty() || equalIgnoringCase(mimeType, "text/css") || equalIgnoringCase(mimeType, "application/x-unknown-content-type"); - if (hasValidMIMEType) - *hasValidMIMEType = typeOK; - if (!enforceMIMEType) - return true; - return typeOK; -} - -} |