| /* |
| * 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/LayoutImageResource.h" |
| |
| #include "core/dom/Element.h" |
| #include "core/layout/LayoutImage.h" |
| #include "core/svg/graphics/SVGImageForContainer.h" |
| |
| namespace blink { |
| |
| LayoutImageResource::LayoutImageResource() |
| : layout_object_(nullptr), cached_image_(nullptr) {} |
| |
| LayoutImageResource::~LayoutImageResource() {} |
| |
| void LayoutImageResource::Initialize(LayoutObject* layout_object) { |
| DCHECK(!layout_object_); |
| DCHECK(layout_object); |
| layout_object_ = layout_object; |
| } |
| |
| void LayoutImageResource::Shutdown() { |
| DCHECK(layout_object_); |
| |
| if (!cached_image_) |
| return; |
| cached_image_->RemoveObserver(layout_object_); |
| } |
| |
| void LayoutImageResource::SetImageResource(ImageResourceContent* new_image) { |
| DCHECK(layout_object_); |
| |
| if (cached_image_ == new_image) |
| return; |
| |
| if (cached_image_) { |
| cached_image_->RemoveObserver(layout_object_); |
| } |
| cached_image_ = new_image; |
| if (cached_image_) { |
| cached_image_->AddObserver(layout_object_); |
| if (cached_image_->ErrorOccurred()) |
| layout_object_->ImageChanged(cached_image_.Get()); |
| } else { |
| layout_object_->ImageChanged(cached_image_.Get()); |
| } |
| } |
| |
| void LayoutImageResource::ResetAnimation() { |
| DCHECK(layout_object_); |
| |
| if (!cached_image_) |
| return; |
| |
| cached_image_->GetImage()->ResetAnimation(); |
| |
| layout_object_->SetShouldDoFullPaintInvalidation(); |
| } |
| |
| LayoutSize LayoutImageResource::ImageSize(float multiplier) const { |
| if (!cached_image_) |
| return LayoutSize(); |
| LayoutSize size = cached_image_->ImageSize( |
| LayoutObject::ShouldRespectImageOrientation(layout_object_), multiplier); |
| if (layout_object_ && layout_object_->IsLayoutImage() && size.Width() && |
| size.Height()) |
| size.Scale(ToLayoutImage(layout_object_)->ImageDevicePixelRatio()); |
| return size; |
| } |
| |
| PassRefPtr<Image> LayoutImageResource::GetImage( |
| const IntSize& container_size) const { |
| if (!cached_image_) |
| return Image::NullImage(); |
| |
| if (!cached_image_->GetImage()->IsSVGImage()) |
| return cached_image_->GetImage(); |
| |
| KURL url; |
| SVGImage* svg_image = ToSVGImage(cached_image_->GetImage()); |
| Node* node = layout_object_->GetNode(); |
| if (node && node->IsElementNode()) { |
| const AtomicString& url_string = ToElement(node)->ImageSourceURL(); |
| url = node->GetDocument().CompleteURL(url_string); |
| } |
| return SVGImageForContainer::Create( |
| svg_image, container_size, layout_object_->StyleRef().EffectiveZoom(), |
| url); |
| } |
| |
| bool LayoutImageResource::MaybeAnimated() const { |
| Image* image = cached_image_ ? cached_image_->GetImage() : Image::NullImage(); |
| return image->MaybeAnimated(); |
| } |
| |
| } // namespace blink |