1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/*
* 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
|
