| /* |
| * 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 "third_party/blink/renderer/core/layout/layout_image_resource_style_image.h" |
| |
| #include "third_party/blink/renderer/core/layout/layout_replaced.h" |
| #include "third_party/blink/renderer/core/style/style_fetched_image.h" |
| |
| namespace blink { |
| |
| LayoutImageResourceStyleImage::LayoutImageResourceStyleImage( |
| StyleImage* style_image) |
| : style_image_(style_image) { |
| DCHECK(style_image_); |
| } |
| |
| LayoutImageResourceStyleImage::~LayoutImageResourceStyleImage() { |
| DCHECK(!cached_image_); |
| } |
| |
| void LayoutImageResourceStyleImage::Initialize(LayoutObject* layout_object) { |
| LayoutImageResource::Initialize(layout_object); |
| |
| if (style_image_->IsImageResource()) |
| cached_image_ = To<StyleFetchedImage>(style_image_.Get())->CachedImage(); |
| |
| style_image_->AddClient(layout_object_); |
| } |
| |
| void LayoutImageResourceStyleImage::Shutdown() { |
| DCHECK(layout_object_); |
| style_image_->RemoveClient(layout_object_); |
| cached_image_ = nullptr; |
| } |
| |
| scoped_refptr<Image> LayoutImageResourceStyleImage::GetImage( |
| const FloatSize& size) const { |
| // Generated content may trigger calls to image() while we're still pending, |
| // don't assert but gracefully exit. |
| if (style_image_->IsPendingImage()) |
| return nullptr; |
| return style_image_->GetImage(*layout_object_, layout_object_->GetDocument(), |
| layout_object_->StyleRef(), size); |
| } |
| |
| FloatSize LayoutImageResourceStyleImage::ImageSize(float multiplier) const { |
| // TODO(davve): Find out the correct default object size in this context. |
| return ImageSizeWithDefaultSize(multiplier, |
| LayoutSize(LayoutReplaced::kDefaultWidth, |
| LayoutReplaced::kDefaultHeight)); |
| } |
| |
| FloatSize LayoutImageResourceStyleImage::ImageSizeWithDefaultSize( |
| float multiplier, |
| const LayoutSize& default_size) const { |
| return style_image_->ImageSize(layout_object_->GetDocument(), multiplier, |
| default_size); |
| } |
| void LayoutImageResourceStyleImage::Trace(blink::Visitor* visitor) { |
| visitor->Trace(style_image_); |
| LayoutImageResource::Trace(visitor); |
| } |
| |
| } // namespace blink |