AI 145796: Land the WebKit merge @r42026.

Automated import of CL 145796

1 files changed, 135 insertions, 0 deletions

diff --git a/WebCore/page/animation/AnimationControllerPrivate.h b/WebCore/page/animation/AnimationControllerPrivate.h
new file mode 100644
index 0000000..f9a3405
--- /dev/null
+++ b/WebCore/page/animation/AnimationControllerPrivate.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2009 Apple Inc. 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. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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 AnimationControllerPrivate_h
+#define AnimationControllerPrivate_h
+
+#include "AtomicString.h"
+#include "CSSPropertyNames.h"
+#include "PlatformString.h"
+#include "Timer.h"
+#include <wtf/HashMap.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefPtr.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class AnimationBase;
+class CompositeAnimation;
+class Document;
+class Element;
+class Frame;
+class Node;
+class RenderObject;
+class RenderStyle;
+
+class AnimationControllerPrivate {
+public:
+    AnimationControllerPrivate(Frame*);
+    ~AnimationControllerPrivate();
+
+    PassRefPtr<CompositeAnimation> accessCompositeAnimation(RenderObject*);
+    bool clear(RenderObject*);
+
+    void animationTimerFired(Timer<AnimationControllerPrivate>*);
+    void updateAnimationTimer(bool callSetChanged = false);
+
+    void updateRenderingDispatcherFired(Timer<AnimationControllerPrivate>*);
+    void startUpdateRenderingDispatcher();
+    void addEventToDispatch(PassRefPtr<Element> element, const AtomicString& eventType, const String& name, double elapsedTime);
+    void addNodeChangeToDispatch(PassRefPtr<Node>);
+
+    bool hasAnimations() const { return !m_compositeAnimations.isEmpty(); }
+
+    void suspendAnimations(Document*);
+    void resumeAnimations(Document*);
+
+    bool isAnimatingPropertyOnRenderer(RenderObject*, CSSPropertyID, bool isRunningNow) const;
+
+    bool pauseAnimationAtTime(RenderObject*, const String& name, double t);
+    bool pauseTransitionAtTime(RenderObject*, const String& property, double t);
+    unsigned numberOfActiveAnimations() const;
+
+    PassRefPtr<RenderStyle> getAnimatedStyleForRenderer(RenderObject* renderer);
+
+    double beginAnimationUpdateTime();
+    void setBeginAnimationUpdateTime(double t) { m_beginAnimationUpdateTime = t; }
+    void endAnimationUpdate()
+    {
+        styleAvailable();
+        if (!m_waitingForAResponse)
+            startTimeResponse(beginAnimationUpdateTime());
+    }
+    
+    void receivedStartTimeResponse(double t)
+    {
+        m_waitingForAResponse = false;
+        startTimeResponse(t);
+    }
+    
+    void addToStyleAvailableWaitList(AnimationBase*);
+    void removeFromStyleAvailableWaitList(AnimationBase*);    
+    
+    void addToStartTimeResponseWaitList(AnimationBase*, bool willGetResponse);
+    void removeFromStartTimeResponseWaitList(AnimationBase*);    
+    void startTimeResponse(double t);
+    
+private:
+    void styleAvailable();
+
+    typedef HashMap<RenderObject*, RefPtr<CompositeAnimation> > RenderObjectAnimationMap;
+
+    RenderObjectAnimationMap m_compositeAnimations;
+    Timer<AnimationControllerPrivate> m_animationTimer;
+    Timer<AnimationControllerPrivate> m_updateRenderingDispatcher;
+    Frame* m_frame;
+    
+    class EventToDispatch {
+    public:
+        RefPtr<Element> element;
+        AtomicString eventType;
+        String name;
+        double elapsedTime;
+    };
+    
+    Vector<EventToDispatch> m_eventsToDispatch;
+    Vector<RefPtr<Node> > m_nodeChangesToDispatch;
+    
+    double m_beginAnimationUpdateTime;
+    AnimationBase* m_styleAvailableWaiters;
+    AnimationBase* m_lastStyleAvailableWaiter;
+    
+    AnimationBase* m_responseWaiters;
+    AnimationBase* m_lastResponseWaiter;
+    bool m_waitingForAResponse;
+};
+
+} // namespace WebCore
+
+#endif // AnimationControllerPrivate_h