Refactoring animation code in accelerated path.

Source/core/rendering/animation/WebAnimationProvider.h

+/*
+ * Copyright (C) 2013 Intel Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef WebAnimationProvider_h
+#define WebAnimationProvider_h
+
+#include "CSSPropertyNames.h"
+#include "core/platform/animation/KeyframeValueList.h"
+#include "wtf/HashMap.h"
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
+#include "wtf/text/WTFString.h"
+
+namespace WebKit {
+class WebAnimation;
+}
+
+namespace WebCore {
+class CSSAnimationData;
+class IntSize;
+class KeyframeList;
+class RenderStyle;
+
+struct WebAnimations {
+    WebAnimations();
+    ~WebAnimations();
+    WebAnimations(const WebAnimations&);
+    bool isEmpty() const;
+    OwnPtr<WebKit::WebAnimation> m_transformAnimation;
+    OwnPtr<WebKit::WebAnimation> m_opacityAnimation;
+    OwnPtr<WebKit::WebAnimation> m_filterAnimation;
+};
+
+class WebAnimationProvider {
+    WTF_MAKE_NONCOPYABLE(WebAnimationProvider); WTF_MAKE_FAST_ALLOCATED;
+public:
+    WebAnimationProvider();
+    ~WebAnimationProvider();
+
+    int getWebAnimationId(const String& animationName) const;
+    int getWebAnimationId(CSSPropertyID) const;
+    WebAnimations startAnimation(double timeOffset, const CSSAnimationData*, const KeyframeList&, bool hasTransform, const IntSize& boxSize);
+    WebAnimations startTransition(double timeOffset, CSSPropertyID, const RenderStyle* fromStyle, const RenderStyle* toStyle, bool hasTransform, bool hasFilter, const IntSize& boxSize, float fromOpacity, float toOpacity);
+
+private:
+    PassOwnPtr<WebKit::WebAnimation> createWebAnimationAndStoreId(const KeyframeValueList&, const IntSize& boxSize, const CSSAnimationData*, const String& animationName, double timeOffset);
+
+    typedef HashMap<String, int> AnimationIdMap;
+    AnimationIdMap m_animationIdMap;
+};
+
+} // namespace WebCore
+
+#endif // WebAnimationProvider_h