author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 27 Aug 2009 07:44:59 +0300 | |
changeset 16 | a359256acfc6 |
parent 13 | 10e98eab6f85 |
child 36 | 0ed94ceaa377 |
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, 2007 Apple Inc. All rights reserved. |
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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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*/ |
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#include "config.h" |
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#include "CachedImage.h" |
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#include "StaticObjectsContainer.h" |
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#include "ResourceLoaderDelegate.h" |
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#include "HttpCacheManager.h" |
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#include "BitmapImage.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 "DocLoader.h" |
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#include "Frame.h" |
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#include "Request.h" |
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#include "SystemTime.h" |
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#include <wtf/Vector.h> |
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#if PLATFORM(CG) |
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#include "PDFDocumentImage.h" |
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#endif |
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#if ENABLE(SVG_EXPERIMENTAL_FEATURES) |
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#if PLATFORM(MAC) || PLATFORM(QT) |
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#include "SVGImage.h" |
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#endif |
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#endif |
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using std::max; |
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namespace WebCore { |
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CachedImage::CachedImage(const String& url) |
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: CachedResource(url, ImageResource) |
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{ |
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m_image = 0; |
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m_status = Unknown; |
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} |
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CachedImage::CachedImage(Image* image) |
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: CachedResource(String(), ImageResource) |
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{ |
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m_image = image; |
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m_status = Cached; |
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m_loading = false; |
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} |
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CachedImage::~CachedImage() |
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{ |
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delete m_image; |
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} |
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void CachedImage::load(DocLoader* docLoader) |
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{ |
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if (!docLoader || docLoader->autoLoadImages()) |
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CachedResource::load(docLoader, true, false, true); |
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else |
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m_loading = false; |
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} |
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||
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void CachedImage::ref(CachedResourceClient* c) |
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{ |
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CachedResource::ref(c); |
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if (!imageRect().isEmpty()) |
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c->imageChanged(this); |
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if (!m_loading) |
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c->notifyFinished(this); |
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} |
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void CachedImage::allReferencesRemoved() |
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{ |
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if (m_image && !m_errorOccurred) |
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m_image->resetAnimation(); |
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} |
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static Image* brokenImage() |
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{ |
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static OwnPtr<Image*> brokenImage; |
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if (!brokenImage) { |
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brokenImage.set(Image::loadPlatformResource("missingImage")); |
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} |
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Image* ret = brokenImage.get(); |
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return ret; |
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} |
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static Image* nullImage() |
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{ |
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static BitmapImage nullImage; |
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return &nullImage; |
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} |
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Image* CachedImage::image() const |
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{ |
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if (m_errorOccurred) |
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return brokenImage(); |
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if (m_image) |
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return m_image; |
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return nullImage(); |
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} |
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125 |
|
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126 |
IntSize CachedImage::imageSize() const |
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127 |
{ |
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return (m_image ? m_image->size() : IntSize()); |
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} |
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130 |
|
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IntRect CachedImage::imageRect() const |
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132 |
{ |
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return (m_image ? m_image->rect() : IntRect()); |
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} |
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|
135 |
|
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void CachedImage::notifyObservers() |
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{ |
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CachedResourceClientWalker w(m_clients); |
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while (CachedResourceClient *c = w.next()) |
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c->imageChanged(this); |
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141 |
} |
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142 |
|
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void CachedImage::clear() |
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{ |
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destroyDecodedData(); |
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delete m_image; |
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m_image = 0; |
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setEncodedSize(0); |
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} |
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150 |
|
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|
151 |
|
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152 |
|
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inline void CachedImage::createImage() |
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154 |
{ |
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// Create the image if it doesn't yet exist. |
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if (m_image) |
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return; |
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#if PLATFORM(CG) |
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if (m_response.mimeType() == "application/pdf") { |
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m_image = new PDFDocumentImage; |
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return; |
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162 |
} |
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163 |
#endif |
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#if ENABLE(SVG_EXPERIMENTAL_FEATURES) |
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#if PLATFORM(MAC) || PLATFORM(QT) |
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if (m_response.mimeType() == "image/svg+xml") { |
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m_image = new SVGImage(this); |
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return; |
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169 |
} |
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170 |
#endif |
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171 |
#endif |
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m_image = new BitmapImage(this); |
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173 |
|
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174 |
#if PLATFORM(SYMBIAN) |
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m_image->setMimeType(m_response.mimeType()); |
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176 |
#endif |
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|
177 |
|
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178 |
} |
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|
179 |
|
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void CachedImage::data(PassRefPtr<SharedBuffer> data, bool allDataReceived) |
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181 |
{ |
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182 |
m_data = data; |
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|
183 |
|
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184 |
createImage(); |
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|
185 |
|
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|
186 |
bool sizeAvailable = false; |
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|
187 |
|
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|
188 |
// Have the image update its data from its internal buffer. |
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|
189 |
// It will not do anything now, but will delay decoding until |
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|
190 |
// queried for info (like size or specific image frames). |
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|
191 |
sizeAvailable = m_image->setData(m_data, allDataReceived); |
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|
192 |
|
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|
193 |
// Go ahead and tell our observers to try to draw if we have either |
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|
194 |
// received all the data or the size is known. Each chunk from the |
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|
195 |
// network causes observers to repaint, which will force that chunk |
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|
196 |
// to decode. |
16
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|
197 |
if (allDataReceived) { |
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|
198 |
if (!m_image || !sizeAvailable || m_image->isNull()) { |
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13
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|
199 |
// This case is hit under OOM and lower layer is unable to set sizeAvailable = true |
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|
200 |
// even when allDataReceived is True. |
0
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|
201 |
error(); |
16
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|
202 |
#if PLATFORM(SYMBIAN) |
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|
203 |
TBool found( EFalse ); |
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Revision: 200929
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|
204 |
CHttpCacheManager* cacheManager = WebCore::StaticObjectsContainer::instance()->resourceLoaderDelegate()->httpSessionManager()->cacheManager(); |
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Revision: 200929
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|
205 |
if ( cacheManager ) |
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|
206 |
{ |
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|
207 |
// call cache manager to check for url in cache |
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|
208 |
TPtrC ptr = url().des(); |
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Revision: 200929
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|
209 |
HBufC8* aUrl = HBufC8::New(ptr.Length()); |
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|
210 |
if ( aUrl ) |
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|
211 |
{ |
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|
212 |
aUrl->Des().Copy(ptr); |
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Revision: 200929
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|
213 |
found = cacheManager->Find( *aUrl ); |
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Revision: 200929
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|
214 |
if ( found ) |
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diff
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|
215 |
{ |
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Revision: 200929
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|
216 |
cacheManager->RemoveL(*aUrl); |
a359256acfc6
Revision: 200929
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13
diff
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|
217 |
} |
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Revision: 200929
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diff
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|
218 |
delete aUrl; |
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Revision: 200929
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diff
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|
219 |
} |
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Revision: 200929
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|
220 |
} |
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Revision: 200929
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|
221 |
#endif |
0
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|
222 |
if (inCache()) |
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|
223 |
cache()->remove(this); |
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Revision: 200911
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|
224 |
return; |
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Revision: 200911
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|
225 |
} |
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|
226 |
|
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|
227 |
notifyObservers(); |
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|
228 |
|
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|
229 |
if (m_image) |
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|
230 |
setEncodedSize(m_image->data() ? m_image->data()->size() : 0); |
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parents:
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|
231 |
} |
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Revision: 200911
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parents:
diff
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|
232 |
|
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if (allDataReceived) { |
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m_loading = false; |
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|
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#if !PLATFORM(SYMBIAN) |
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checkNotify(); |
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#endif |
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} |
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} |
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|
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void CachedImage::error() |
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{ |
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clear(); |
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m_errorOccurred = true; |
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notifyObservers(); |
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m_loading = false; |
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checkNotify(); |
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} |
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|
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void CachedImage::checkNotify() |
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{ |
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if (m_loading) |
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return; |
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|
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CachedResourceClientWalker w(m_clients); |
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while (CachedResourceClient* c = w.next()) |
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c->notifyFinished(this); |
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} |
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|
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void CachedImage::destroyDecodedData() |
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{ |
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if (m_image && !m_errorOccurred) |
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m_image->destroyDecodedData(); |
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} |
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|
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void CachedImage::decodedSizeChanged(const Image* image, int delta) |
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{ |
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if (image != m_image) |
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return; |
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|
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setDecodedSize(decodedSize() + delta); |
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} |
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|
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void CachedImage::didDraw(const Image* image) |
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{ |
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if (image != m_image) |
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return; |
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|
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double timeStamp = Frame::currentPaintTimeStamp(); |
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if (!timeStamp) // If didDraw is called outside of a Frame paint. |
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timeStamp = currentTime(); |
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283 |
|
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CachedResource::didAccessDecodedData(timeStamp); |
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} |
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286 |
|
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bool CachedImage::shouldPauseAnimation(const Image* image) |
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288 |
{ |
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if (image != m_image) |
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|
290 |
return false; |
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|
291 |
|
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CachedResourceClientWalker w(m_clients); |
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while (CachedResourceClient* c = w.next()) { |
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if (c->willRenderImage(this)) |
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295 |
return false; |
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296 |
} |
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|
297 |
|
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298 |
return true; |
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299 |
} |
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300 |
|
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void CachedImage::animationAdvanced(const Image* image) |
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302 |
{ |
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|
303 |
if (image == m_image) |
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304 |
notifyObservers(); |
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|
305 |
} |
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|
306 |
|
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|
307 |
#if PLATFORM(SYMBIAN) |
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void CachedImage::decoderError( int /*error*/ ) |
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309 |
{ |
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310 |
|
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311 |
} |
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|
312 |
|
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313 |
void CachedImage::partialImage() |
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314 |
{ |
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|
315 |
notifyObservers(); |
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|
316 |
} |
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|
317 |
|
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318 |
void CachedImage::imageReady(int size_) |
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319 |
{ |
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320 |
setDecodedSize(size_); |
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|
321 |
notifyObservers(); |
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|
322 |
checkNotify(); |
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|
323 |
} |
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|
324 |
|
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325 |
void CachedImage::animationFrameReady(int size_) |
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|
326 |
{ |
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|
327 |
setDecodedSize(size_); |
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|
328 |
notifyObservers(); |
13 | 329 |
checkNotify(); |
0
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Revision: 200911
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|
330 |
} |
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|
331 |
|
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332 |
void CachedImage::setMimeType(const String& mime_) |
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|
333 |
{ |
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|
334 |
m_response.setMimeType(mime_); |
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|
335 |
} |
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|
336 |
#endif |
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|
337 |
|
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|
338 |
} //namespace WebCore |