| /* |
| * Copyright (C) 1999 Lars Knoll <knoll@kde.org> |
| * Copyright (C) 1999 Antti Koivisto <koivisto@kde.org> |
| * Copyright (C) 2000 Dirk Mueller <mueller@kde.org> |
| * Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com> |
| * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com> |
| * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. |
| * All rights reserved. |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com> |
| * |
| * 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. |
| * |
| */ |
| |
| #include "core/layout/LayoutImageResourceStyleImage.h" |
| |
| #include "core/fetch/ImageResource.h" |
| #include "core/layout/LayoutReplaced.h" |
| #include "core/style/StyleFetchedImage.h" |
| |
| namespace blink { |
| |
| LayoutImageResourceStyleImage::LayoutImageResourceStyleImage( |
| StyleImage* styleImage) |
| : m_styleImage(styleImage) { |
| ASSERT(m_styleImage); |
| } |
| |
| LayoutImageResourceStyleImage::~LayoutImageResourceStyleImage() { |
| ASSERT(!m_cachedImage); |
| } |
| |
| void LayoutImageResourceStyleImage::initialize(LayoutObject* layoutObject) { |
| LayoutImageResource::initialize(layoutObject); |
| |
| if (m_styleImage->isImageResource()) |
| m_cachedImage = toStyleFetchedImage(m_styleImage)->cachedImage(); |
| |
| m_styleImage->addClient(m_layoutObject); |
| } |
| |
| void LayoutImageResourceStyleImage::shutdown() { |
| ASSERT(m_layoutObject); |
| m_styleImage->removeClient(m_layoutObject); |
| m_cachedImage = nullptr; |
| } |
| |
| PassRefPtr<Image> LayoutImageResourceStyleImage::image(const IntSize& size, |
| float zoom) const { |
| // Generated content may trigger calls to image() while we're still pending, |
| // don't assert but gracefully exit. |
| if (m_styleImage->isPendingImage()) |
| return nullptr; |
| return m_styleImage->image(*m_layoutObject, size, zoom); |
| } |
| |
| LayoutSize LayoutImageResourceStyleImage::imageSize(float multiplier) const { |
| // TODO(davve): Find out the correct default object size in this context. |
| return m_styleImage->imageSize( |
| *m_layoutObject, multiplier, |
| LayoutSize(LayoutReplaced::defaultWidth, LayoutReplaced::defaultHeight)); |
| } |
| |
| DEFINE_TRACE(LayoutImageResourceStyleImage) { |
| visitor->trace(m_styleImage); |
| LayoutImageResource::trace(visitor); |
| } |
| |
| } // namespace blink |