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// Copyright 2016 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 CompositorMutation_h
#define CompositorMutation_h
#include "platform/graphics/CompositorMutableProperties.h"
#include "third_party/skia/include/core/SkMatrix44.h"
#include "wtf/HashMap.h"
#include <memory>
namespace blink {
class CompositorMutation {
public:
void setOpacity(float opacity) {
m_mutatedFlags |= CompositorMutableProperty::kOpacity;
m_opacity = opacity;
}
void setScrollLeft(float scrollLeft) {
m_mutatedFlags |= CompositorMutableProperty::kScrollLeft;
m_scrollLeft = scrollLeft;
}
void setScrollTop(float scrollTop) {
m_mutatedFlags |= CompositorMutableProperty::kScrollTop;
m_scrollTop = scrollTop;
}
void setTransform(const SkMatrix44& transform) {
m_mutatedFlags |= CompositorMutableProperty::kTransform;
m_transform = transform;
}
bool isOpacityMutated() const {
return m_mutatedFlags & CompositorMutableProperty::kOpacity;
}
bool isScrollLeftMutated() const {
return m_mutatedFlags & CompositorMutableProperty::kScrollLeft;
}
bool isScrollTopMutated() const {
return m_mutatedFlags & CompositorMutableProperty::kScrollTop;
}
bool isTransformMutated() const {
return m_mutatedFlags & CompositorMutableProperty::kTransform;
}
float opacity() const { return m_opacity; }
float scrollLeft() const { return m_scrollLeft; }
float scrollTop() const { return m_scrollTop; }
SkMatrix44 transform() const { return m_transform; }
private:
uint32_t m_mutatedFlags = 0;
float m_opacity = 0;
float m_scrollLeft = 0;
float m_scrollTop = 0;
SkMatrix44 m_transform;
};
struct CompositorMutations {
HashMap<uint64_t, std::unique_ptr<CompositorMutation>> map;
};
} // namespace blink
#endif // CompositorMutation_h
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