| /* |
| Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de) |
| Copyright (C) 2001 Dirk Mueller <mueller@kde.org> |
| Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 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 "third_party/blink/renderer/platform/loader/fetch/resource_client.h" |
| |
| #include "third_party/blink/renderer/platform/loader/fetch/resource.h" |
| |
| namespace blink { |
| |
| void ResourceClient::Trace(Visitor* visitor) { |
| visitor->Trace(resource_); |
| } |
| |
| void ResourceClient::SetResource(Resource* new_resource, |
| base::SingleThreadTaskRunner* task_runner) { |
| if (new_resource == resource_) |
| return; |
| |
| // Some ResourceClient implementations reenter this so we need to |
| // prevent double removal. |
| if (Resource* old_resource = resource_.Release()) |
| old_resource->RemoveClient(this); |
| resource_ = new_resource; |
| if (resource_) |
| resource_->AddClient(this, task_runner); |
| } |
| |
| } // namespace blink |