auto import from //depot/cupcake/@135843

1 files changed, 203 insertions, 0 deletions

diff --git a/WebCore/page/animation/ImplicitAnimation.cpp b/WebCore/page/animation/ImplicitAnimation.cpp
new file mode 100644
index 0000000..4d470e4
--- /dev/null
+++ b/WebCore/page/animation/ImplicitAnimation.cpp
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+/*
+ * Copyright (C) 2007 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.
+ */
+
+#include "config.h"
+#include "CSSPropertyNames.h"
+#include "EventNames.h"
+#include "ImplicitAnimation.h"
+#include "RenderObject.h"
+
+namespace WebCore {
+
+ImplicitAnimation::ImplicitAnimation(const Animation* transition, int animatingProperty, RenderObject* renderer, CompositeAnimation* compAnim, RenderStyle* fromStyle)
+    : AnimationBase(transition, renderer, compAnim)
+    , m_transitionProperty(transition->property())
+    , m_animatingProperty(animatingProperty)
+    , m_overridden(false)
+    , m_fromStyle(fromStyle)
+{
+    ASSERT(animatingProperty != cAnimateAll);
+}
+
+ImplicitAnimation::~ImplicitAnimation()
+{
+    // Do the cleanup here instead of in the base class so the specialized methods get called
+    if (!postActive())
+        updateStateMachine(AnimationStateInputEndAnimation, -1);
+}
+
+bool ImplicitAnimation::shouldSendEventForListener(Document::ListenerType inListenerType)
+{
+    return m_object->document()->hasListenerType(inListenerType);
+}
+
+void ImplicitAnimation::animate(CompositeAnimation* animation, RenderObject* renderer, RenderStyle* currentStyle,
+                                RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle)
+{
+    if (paused())
+        return;
+
+    // If we get this far and the animation is done, it means we are cleaning up a just finished animation.
+    // So just return. Everything is already all cleaned up.
+    if (postActive())
+        return;
+
+    // Reset to start the transition if we are new
+    if (isNew())
+        reset(targetStyle);
+
+    // Run a cycle of animation.
+    // We know we will need a new render style, so make one if needed
+    if (!animatedStyle)
+        animatedStyle = RenderStyle::clone(targetStyle);
+
+    if (blendProperties(this, m_animatingProperty, animatedStyle.get(), m_fromStyle.get(), m_toStyle.get(), progress(1, 0, 0)))
+        setAnimating();
+}
+
+void ImplicitAnimation::onAnimationEnd(double elapsedTime)
+{
+    if (!sendTransitionEvent(eventNames().webkitTransitionEndEvent, elapsedTime)) {
+        // We didn't dispatch an event, which would call endAnimation(), so we'll just call it here.
+        endAnimation(true);
+    }
+}
+
+bool ImplicitAnimation::sendTransitionEvent(const AtomicString& eventType, double elapsedTime)
+{
+    if (eventType == eventNames().webkitTransitionEndEvent) {
+        Document::ListenerType listenerType = Document::TRANSITIONEND_LISTENER;
+
+        if (shouldSendEventForListener(listenerType)) {
+            String propertyName;
+            if (m_animatingProperty != cAnimateAll)
+                propertyName = getPropertyName(static_cast<CSSPropertyID>(m_animatingProperty));
+                
+            // Dispatch the event
+            RefPtr<Element> element = 0;
+            if (m_object->node() && m_object->node()->isElementNode())
+                element = static_cast<Element*>(m_object->node());
+
+            ASSERT(!element || element->document() && !element->document()->inPageCache());
+            if (!element)
+                return false;
+
+            // Keep a reference to this ImplicitAnimation so it doesn't go away in the handler
+            RefPtr<ImplicitAnimation> retainer(this);
+            
+            // Call the event handler
+            element->dispatchWebKitTransitionEvent(eventType, propertyName, elapsedTime);
+
+            // Restore the original (unanimated) style
+            if (eventType == eventNames().webkitAnimationEndEvent && element->renderer())
+                setChanged(element.get());
+
+            return true; // Did dispatch an event
+        }
+    }
+
+    return false; // Didn't dispatch an event
+}
+
+void ImplicitAnimation::reset(RenderStyle* to)
+{
+    ASSERT(to);
+    ASSERT(m_fromStyle);
+    
+
+    m_toStyle = to;
+
+    // Restart the transition
+    if (m_fromStyle && m_toStyle)
+        updateStateMachine(AnimationStateInputRestartAnimation, -1);
+        
+    // set the transform animation list
+    validateTransformFunctionList();
+}
+
+void ImplicitAnimation::setOverridden(bool b)
+{
+    if (b == m_overridden)
+        return;
+
+    m_overridden = b;
+    updateStateMachine(m_overridden ? AnimationStateInputPauseOverride : AnimationStateInputResumeOverride, -1);
+}
+
+bool ImplicitAnimation::affectsProperty(int property) const
+{
+    return (m_animatingProperty == property);
+}
+
+bool ImplicitAnimation::isTargetPropertyEqual(int prop, const RenderStyle* targetStyle)
+{
+    return propertiesEqual(prop, m_toStyle.get(), targetStyle);
+}
+
+void ImplicitAnimation::blendPropertyValueInStyle(int prop, RenderStyle* currentStyle)
+{
+    blendProperties(this, prop, currentStyle, m_fromStyle.get(), m_toStyle.get(), progress(1, 0, 0));
+}
+
+void ImplicitAnimation::validateTransformFunctionList()
+{
+    m_transformFunctionListValid = false;
+    
+    if (!m_fromStyle || !m_toStyle)
+        return;
+        
+    const TransformOperations* val = &m_fromStyle->transform();
+    const TransformOperations* toVal = &m_toStyle->transform();
+
+    if (val->operations().isEmpty())
+        val = toVal;
+
+    if (val->operations().isEmpty())
+        return;
+        
+    // See if the keyframes are valid
+    if (val != toVal) {
+        // A list of length 0 matches anything
+        if (!toVal->operations().isEmpty()) {
+            // If the sizes of the function lists don't match, the lists don't match
+            if (val->operations().size() != toVal->operations().size())
+                return;
+        
+            // If the types of each function are not the same, the lists don't match
+            for (size_t j = 0; j < val->operations().size(); ++j) {
+                if (!val->operations()[j]->isSameType(*toVal->operations()[j]))
+                    return;
+            }
+        }
+    }
+
+    // Keyframes are valid
+    m_transformFunctionListValid = true;
+}
+
+} // namespace WebCore