author | Pat Downey <patrick.downey@nokia.com> |
Fri, 03 Jul 2009 15:54:40 +0100 | |
changeset 13 | 10e98eab6f85 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
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/* |
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Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) |
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Copyright (C) 2001 Dirk Mueller (mueller@kde.org) |
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Copyright (C) 2002 Waldo Bastian (bastian@kde.org) |
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Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) |
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Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. |
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|
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Library General Public |
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License as published by the Free Software Foundation; either |
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version 2 of the License, or (at your option) any later version. |
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|
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Library General Public License for more details. |
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|
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You should have received a copy of the GNU Library General Public License |
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along with this library; see the file COPYING.LIB. If not, write to |
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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Boston, MA 02110-1301, USA. |
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This class provides all functionality needed for loading images, style sheets and html |
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pages from the web. It has a memory cache for these objects. |
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*/ |
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#include "config.h" |
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#include "CachedCSSStyleSheet.h" |
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#include "Cache.h" |
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#include "CachedResourceClient.h" |
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#include "CachedResourceClientWalker.h" |
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#include "TextResourceDecoder.h" |
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#include "DeprecatedString.h" |
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#include "loader.h" |
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#include <wtf/Vector.h> |
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namespace WebCore { |
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CachedCSSStyleSheet::CachedCSSStyleSheet(const String& url, const String& charset) |
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: CachedResource(url, CSSStyleSheet) |
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, m_decoder(new TextResourceDecoder("text/css", charset)) |
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{ |
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// Prefer text/css but accept any type (dell.com serves a stylesheet |
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// as text/html; see <http://bugs.webkit.org/show_bug.cgi?id=11451>). |
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setAccept("text/css,*/*;q=0.1"); |
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} |
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CachedCSSStyleSheet::~CachedCSSStyleSheet() |
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{ |
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} |
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void CachedCSSStyleSheet::ref(CachedResourceClient *c) |
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{ |
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CachedResource::ref(c); |
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if (!m_loading) |
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c->setCSSStyleSheet(m_url, m_decoder->encoding().name(), errorOccurred() ? "" : m_sheet); |
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} |
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void CachedCSSStyleSheet::setEncoding(const String& chs) |
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{ |
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m_decoder->setEncoding(chs, TextResourceDecoder::EncodingFromHTTPHeader); |
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} |
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void CachedCSSStyleSheet::data(PassRefPtr<SharedBuffer> data, bool allDataReceived) |
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{ |
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if (!allDataReceived) |
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return; |
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m_data = data; |
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setEncodedSize(m_data.get() ? m_data->size() : 0); |
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if (m_data.get()) { |
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m_sheet = m_decoder->decode(m_data->data(), encodedSize()); |
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m_sheet += m_decoder->flush(); |
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} |
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m_loading = false; |
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checkNotify(); |
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} |
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void CachedCSSStyleSheet::checkNotify() |
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{ |
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if (m_loading) |
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return; |
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CachedResourceClientWalker w(m_clients); |
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while (CachedResourceClient *c = w.next()) |
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c->setCSSStyleSheet(m_response.url().url(), m_decoder->encoding().name(), m_sheet); |
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#if USE(LOW_BANDWIDTH_DISPLAY) |
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// if checkNotify() is called from error(), client's setCSSStyleSheet(...) |
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// can't find "this" from url, so they can't do clean up if needed. |
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// call notifyFinished() to make sure they have a chance. |
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CachedResourceClientWalker n(m_clients); |
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while (CachedResourceClient* s = n.next()) |
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s->notifyFinished(this); |
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#endif |
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} |
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void CachedCSSStyleSheet::error() |
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{ |
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m_loading = false; |
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m_errorOccurred = true; |
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checkNotify(); |
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} |
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} |