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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_IMAGE_LIST_PROPERTY_FUNCTIONS_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_IMAGE_LIST_PROPERTY_FUNCTIONS_H_
#include "third_party/blink/renderer/core/css/css_property_names.h"
#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
namespace blink {
using StyleImageList = HeapVector<Member<StyleImage>, 1>;
class ImageListPropertyFunctions {
public:
static void GetInitialImageList(const CSSProperty&, StyleImageList* result) {
result->clear();
}
static void GetImageList(const CSSProperty& property,
const ComputedStyle& style,
StyleImageList* result) {
const FillLayer* fill_layer = nullptr;
switch (property.PropertyID()) {
case CSSPropertyBackgroundImage:
fill_layer = &style.BackgroundLayers();
break;
case CSSPropertyWebkitMaskImage:
fill_layer = &style.MaskLayers();
break;
default:
NOTREACHED();
return;
}
result->clear();
while (fill_layer) {
result->push_back(fill_layer->GetImage());
fill_layer = fill_layer->Next();
}
}
static void SetImageList(const CSSProperty& property,
ComputedStyle& style,
const StyleImageList* image_list) {
FillLayer* fill_layer = nullptr;
switch (property.PropertyID()) {
case CSSPropertyBackgroundImage:
fill_layer = &style.AccessBackgroundLayers();
break;
case CSSPropertyWebkitMaskImage:
fill_layer = &style.AccessMaskLayers();
break;
default:
NOTREACHED();
return;
}
FillLayer* prev = nullptr;
for (wtf_size_t i = 0; i < image_list->size(); i++) {
if (!fill_layer)
fill_layer = prev->EnsureNext();
fill_layer->SetImage(image_list->at(i));
prev = fill_layer;
fill_layer = fill_layer->Next();
}
while (fill_layer) {
fill_layer->ClearImage();
fill_layer = fill_layer->Next();
}
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_IMAGE_LIST_PROPERTY_FUNCTIONS_H_
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