Index: third_party/WebKit/Source/platform/graphics/CompositorMutation.h |
diff --git a/third_party/WebKit/Source/platform/graphics/CompositorMutation.h b/third_party/WebKit/Source/platform/graphics/CompositorMutation.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..21c620cf9849dae8cc9284cbf34cfb8c88ae95b6 |
--- /dev/null |
+++ b/third_party/WebKit/Source/platform/graphics/CompositorMutation.h |
@@ -0,0 +1,61 @@ |
+// 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/utils/SkMatrix44.h" |
+#include "wtf/HashMap.h" |
+ |
+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, OwnPtr<CompositorMutation>> map; |
+}; |
+ |
+} // namespace blink |
+ |
+#endif // CompositorMutation_h |