1/*
2 * Copyright (C) 2012 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "core/rendering/style/StyleFetchedImageSet.h"
28
29#include "core/css/CSSImageSetValue.h"
30#include "core/fetch/ImageResource.h"
31#include "core/rendering/RenderObject.h"
32
33namespace blink {
34
35StyleFetchedImageSet::StyleFetchedImageSet(ImageResource* image, float imageScaleFactor, CSSImageSetValue* value)
36    : m_bestFitImage(image)
37    , m_imageScaleFactor(imageScaleFactor)
38    , m_imageSetValue(value)
39{
40    m_isImageResourceSet = true;
41    m_bestFitImage->addClient(this);
42}
43
44
45StyleFetchedImageSet::~StyleFetchedImageSet()
46{
47    m_bestFitImage->removeClient(this);
48}
49
50PassRefPtrWillBeRawPtr<CSSValue> StyleFetchedImageSet::cssValue() const
51{
52    return m_imageSetValue;
53}
54
55bool StyleFetchedImageSet::canRender(const RenderObject& renderer, float multiplier) const
56{
57    return m_bestFitImage->canRender(renderer, multiplier);
58}
59
60bool StyleFetchedImageSet::isLoaded() const
61{
62    return m_bestFitImage->isLoaded();
63}
64
65bool StyleFetchedImageSet::errorOccurred() const
66{
67    return m_bestFitImage->errorOccurred();
68}
69
70LayoutSize StyleFetchedImageSet::imageSize(const RenderObject* renderer, float multiplier) const
71{
72    LayoutSize scaledImageSize = m_bestFitImage->imageSizeForRenderer(renderer, multiplier);
73    scaledImageSize.scale(1 / m_imageScaleFactor);
74    return scaledImageSize;
75}
76
77bool StyleFetchedImageSet::imageHasRelativeWidth() const
78{
79    return m_bestFitImage->imageHasRelativeWidth();
80}
81
82bool StyleFetchedImageSet::imageHasRelativeHeight() const
83{
84    return m_bestFitImage->imageHasRelativeHeight();
85}
86
87void StyleFetchedImageSet::computeIntrinsicDimensions(const RenderObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio)
88{
89    m_bestFitImage->computeIntrinsicDimensions(intrinsicWidth, intrinsicHeight, intrinsicRatio);
90}
91
92bool StyleFetchedImageSet::usesImageContainerSize() const
93{
94    return m_bestFitImage->usesImageContainerSize();
95}
96
97void StyleFetchedImageSet::setContainerSizeForRenderer(const RenderObject* renderer, const IntSize& imageContainerSize, float imageContainerZoomFactor)
98{
99    m_bestFitImage->setContainerSizeForRenderer(renderer, imageContainerSize, imageContainerZoomFactor);
100}
101
102void StyleFetchedImageSet::addClient(RenderObject* renderer)
103{
104    m_bestFitImage->addClient(renderer);
105}
106
107void StyleFetchedImageSet::removeClient(RenderObject* renderer)
108{
109    m_bestFitImage->removeClient(renderer);
110}
111
112PassRefPtr<Image> StyleFetchedImageSet::image(RenderObject* renderer, const IntSize&) const
113{
114    return m_bestFitImage->imageForRenderer(renderer);
115}
116
117bool StyleFetchedImageSet::knownToBeOpaque(const RenderObject* renderer) const
118{
119    return m_bestFitImage->currentFrameKnownToBeOpaque(renderer);
120}
121
122} // namespace blink
123