Index: third_party/WebKit/Source/platform/graphics/CompositorMutableState.cpp |
diff --git a/third_party/WebKit/Source/platform/graphics/CompositorMutableState.cpp b/third_party/WebKit/Source/platform/graphics/CompositorMutableState.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c149cf8c44b93a15519bd18402718c5a962f968d |
--- /dev/null |
+++ b/third_party/WebKit/Source/platform/graphics/CompositorMutableState.cpp |
@@ -0,0 +1,78 @@ |
+// 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. |
+ |
+#include "platform/graphics/CompositorMutableState.h" |
+ |
+#include "cc/layers/layer_impl.h" |
+#include "cc/trees/layer_tree_impl.h" |
+#include "platform/graphics/CompositorMutation.h" |
+ |
+namespace blink { |
+CompositorMutableState::CompositorMutableState(CompositorMutation* mutation, cc::LayerImpl* main, cc::LayerImpl* scroll) |
+ : m_mutation(mutation) |
+ , m_mainLayer(main) |
+ , m_scrollLayer(scroll) |
+{ |
+} |
+ |
+CompositorMutableState::~CompositorMutableState() {} |
+ |
+double CompositorMutableState::opacity() const |
+{ |
+ return m_mainLayer->opacity(); |
+} |
+ |
+void CompositorMutableState::setOpacity(double opacity) |
+{ |
+ if (!m_mainLayer) |
+ return; |
+ m_mainLayer->OnOpacityAnimated(opacity); |
+ m_mutation->setOpacity(opacity); |
+} |
+ |
+const SkMatrix44& CompositorMutableState::transform() const |
+{ |
+ return m_mainLayer ? m_mainLayer->transform().matrix() : SkMatrix44::I(); |
+} |
+ |
+void CompositorMutableState::setTransform(const SkMatrix44& matrix) |
+{ |
+ if (!m_mainLayer) |
+ return; |
+ m_mainLayer->OnTransformAnimated(gfx::Transform(matrix)); |
+ m_mutation->setTransform(matrix); |
+} |
+ |
+double CompositorMutableState::scrollLeft() const |
+{ |
+ return m_scrollLayer ? m_scrollLayer->CurrentScrollOffset().x() : 0.0; |
+} |
+ |
+void CompositorMutableState::setScrollLeft(double scrollLeft) |
+{ |
+ if (!m_scrollLayer) |
+ return; |
+ |
+ gfx::ScrollOffset offset = m_scrollLayer->CurrentScrollOffset(); |
+ offset.set_x(scrollLeft); |
+ m_scrollLayer->OnScrollOffsetAnimated(offset); |
+ m_mutation->setScrollLeft(scrollLeft); |
+} |
+ |
+double CompositorMutableState::scrollTop() const |
+{ |
+ return m_scrollLayer ? m_scrollLayer->CurrentScrollOffset().y() : 0.0; |
+} |
+ |
+void CompositorMutableState::setScrollTop(double scrollTop) |
+{ |
+ if (!m_scrollLayer) |
+ return; |
+ gfx::ScrollOffset offset = m_scrollLayer->CurrentScrollOffset(); |
+ offset.set_y(scrollTop); |
+ m_scrollLayer->OnScrollOffsetAnimated(offset); |
+ m_mutation->setScrollTop(scrollTop); |
+} |
+ |
+} // namespace blink |