blob: 62e09953701ca6a774dde0903251d8bc0371cd81 [file] [log] [blame]
/*
* 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/layout/LayoutReplaced.h"
#include "core/style/StyleFetchedImage.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_ = ToStyleFetchedImage(style_image_)->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 LayoutSize& 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 style_image_->ImageSize(layout_object_->GetDocument(), multiplier,
LayoutSize(LayoutReplaced::kDefaultWidth,
LayoutReplaced::kDefaultHeight));
}
void LayoutImageResourceStyleImage::Trace(blink::Visitor* visitor) {
visitor->Trace(style_image_);
LayoutImageResource::Trace(visitor);
}
} // namespace blink