--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/loader/CachedCSSStyleSheet.cpp Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,109 @@
+/*
+ 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 "Cache.h"
+#include "CachedResourceClient.h"
+#include "CachedResourceClientWalker.h"
+#include "TextResourceDecoder.h"
+#include "DeprecatedString.h"
+#include "loader.h"
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+CachedCSSStyleSheet::CachedCSSStyleSheet(DocLoader* dl, const String& url, const String& charset, bool skipCanLoadCheck, bool sendResourceLoadCallbacks)
+ : CachedResource(url, CSSStyleSheet, true, sendResourceLoadCallbacks)
+ , m_decoder(new TextResourceDecoder("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");
+ cache()->loader()->load(dl, this, false, skipCanLoadCheck, sendResourceLoadCallbacks);
+ m_loading = true;
+}
+
+CachedCSSStyleSheet::~CachedCSSStyleSheet()
+{
+}
+
+void CachedCSSStyleSheet::ref(CachedResourceClient *c)
+{
+ CachedResource::ref(c);
+
+ if (!m_loading)
+ c->setCSSStyleSheet(m_url, m_decoder->encoding().name(), errorOccurred() ? "" : m_sheet);
+}
+
+void CachedCSSStyleSheet::setEncoding(const String& chs)
+{
+ m_decoder->setEncoding(chs, TextResourceDecoder::EncodingFromHTTPHeader);
+}
+
+void CachedCSSStyleSheet::data(PassRefPtr<SharedBuffer> data, bool allDataReceived)
+{
+ if (!allDataReceived)
+ return;
+
+ m_data = data;
+ setEncodedSize(m_data.get() ? m_data->size() : 0);
+ if (m_data.get()) {
+ m_sheet = m_decoder->decode(m_data->data(), encodedSize());
+ m_sheet += m_decoder->flush();
+ }
+ m_loading = false;
+ checkNotify();
+}
+
+void CachedCSSStyleSheet::checkNotify()
+{
+ if (m_loading)
+ return;
+
+ CachedResourceClientWalker w(m_clients);
+ while (CachedResourceClient *c = w.next())
+ c->setCSSStyleSheet(m_response.url().url(), m_decoder->encoding().name(), m_sheet);
+
+#if USE(LOW_BANDWIDTH_DISPLAY)
+ // if checkNotify() is called from error(), client's setCSSStyleSheet(...)
+ // can't find "this" from url, so they can't do clean up if needed.
+ // call notifyFinished() to make sure they have a chance.
+ CachedResourceClientWalker n(m_clients);
+ while (CachedResourceClient* s = n.next())
+ s->notifyFinished(this);
+#endif
+}
+
+void CachedCSSStyleSheet::error()
+{
+ m_loading = false;
+ m_errorOccurred = true;
+ checkNotify();
+}
+
+}