| /* |
| * Copyright (C) 1999 Lars Knoll <knoll@kde.org> |
| * Copyright (C) 1999 Antti Koivisto <koivisto@kde.org> |
| * Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com> |
| * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com> |
| * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 Apple 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. |
| * |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_IMAGE_RESOURCE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_IMAGE_RESOURCE_H_ |
| |
| #include "base/macros.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/loader/resource/image_resource_content.h" |
| #include "third_party/blink/renderer/core/style/style_image.h" |
| |
| namespace blink { |
| |
| class LayoutObject; |
| |
| class CORE_EXPORT LayoutImageResource |
| : public GarbageCollectedFinalized<LayoutImageResource> { |
| public: |
| LayoutImageResource(); |
| virtual ~LayoutImageResource(); |
| |
| static LayoutImageResource* Create() { |
| return MakeGarbageCollected<LayoutImageResource>(); |
| } |
| |
| virtual void Initialize(LayoutObject*); |
| virtual void Shutdown(); |
| |
| void SetImageResource(ImageResourceContent*); |
| ImageResourceContent* CachedImage() const { return cached_image_.Get(); } |
| virtual bool HasImage() const { return cached_image_; } |
| |
| void ResetAnimation(); |
| bool MaybeAnimated() const; |
| |
| virtual scoped_refptr<Image> GetImage(const FloatSize&) const; |
| scoped_refptr<Image> GetImage(const IntSize&) const; |
| virtual bool ErrorOccurred() const { |
| return cached_image_ && cached_image_->ErrorOccurred(); |
| } |
| |
| // Replace the resource this object references with a reference to |
| // the "broken image". |
| void UseBrokenImage(); |
| |
| virtual bool ImageHasRelativeSize() const; |
| |
| virtual FloatSize ImageSize(float multiplier) const; |
| // Default size is effective when this is LayoutImageResourceStyleImage. |
| virtual FloatSize ImageSizeWithDefaultSize(float multiplier, |
| const LayoutSize&) const; |
| virtual WrappedImagePtr ImagePtr() const { return cached_image_.Get(); } |
| |
| virtual void Trace(blink::Visitor* visitor) { visitor->Trace(cached_image_); } |
| |
| protected: |
| // Device scale factor for the associated LayoutObject. |
| float DeviceScaleFactor() const; |
| // Returns an image based on the passed device scale factor. |
| static Image* BrokenImage(float device_scale_factor); |
| |
| LayoutObject* layout_object_; |
| Member<ImageResourceContent> cached_image_; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(LayoutImageResource); |
| }; |
| |
| } // namespace blink |
| |
| #endif // LayoutImage_h |