1 /*
2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "core/animation/DocumentAnimations.h"
33
34 #include "core/animation/ActiveAnimations.h"
35 #include "core/animation/AnimationClock.h"
36 #include "core/animation/DocumentTimeline.h"
37 #include "core/dom/Document.h"
38 #include "core/dom/Element.h"
39 #include "core/dom/Node.h"
40 #include "core/frame/Frame.h"
41 #include "core/frame/FrameView.h"
42 #include "core/rendering/RenderLayerCompositor.h"
43 #include "core/rendering/RenderView.h"
44
45 namespace WebCore {
46
47 namespace {
48
updateAnimationTiming(Document & document,double monotonicAnimationStartTime)49 void updateAnimationTiming(Document& document, double monotonicAnimationStartTime)
50 {
51 document.animationClock().updateTime(monotonicAnimationStartTime);
52 bool didTriggerStyleRecalc = document.timeline()->serviceAnimations();
53 didTriggerStyleRecalc |= document.transitionTimeline()->serviceAnimations();
54 if (!didTriggerStyleRecalc)
55 document.animationClock().unfreeze();
56 }
57
dispatchAnimationEvents(Document & document)58 void dispatchAnimationEvents(Document& document)
59 {
60 document.timeline()->dispatchEvents();
61 document.transitionTimeline()->dispatchEvents();
62 }
63
dispatchAnimationEventsAsync(Document & document)64 void dispatchAnimationEventsAsync(Document& document)
65 {
66 document.timeline()->dispatchEventsAsync();
67 document.transitionTimeline()->dispatchEventsAsync();
68 }
69
70 } // namespace
71
serviceOnAnimationFrame(Document & document,double monotonicAnimationStartTime)72 void DocumentAnimations::serviceOnAnimationFrame(Document& document, double monotonicAnimationStartTime)
73 {
74 if (!RuntimeEnabledFeatures::webAnimationsCSSEnabled())
75 return;
76
77 updateAnimationTiming(document, monotonicAnimationStartTime);
78 dispatchAnimationEvents(document);
79 }
80
serviceBeforeGetComputedStyle(Node & node,CSSPropertyID property)81 void DocumentAnimations::serviceBeforeGetComputedStyle(Node& node, CSSPropertyID property)
82 {
83 if (!RuntimeEnabledFeatures::webAnimationsCSSEnabled())
84 return;
85
86 if (node.isElementNode()) {
87 const Element& element = toElement(node);
88 if (const ActiveAnimations* activeAnimations = element.activeAnimations()) {
89 if (activeAnimations->hasActiveAnimationsOnCompositor(property))
90 updateAnimationTiming(element.document(), monotonicallyIncreasingTime());
91 }
92 }
93
94 }
95
serviceAfterStyleRecalc(Document & document)96 void DocumentAnimations::serviceAfterStyleRecalc(Document& document)
97 {
98 if (!RuntimeEnabledFeatures::webAnimationsCSSEnabled())
99 return;
100
101 if (document.cssPendingAnimations().startPendingAnimations() && document.view())
102 document.view()->scheduleAnimation();
103
104 document.animationClock().unfreeze();
105 dispatchAnimationEventsAsync(document);
106 }
107
108 } // namespace WebCore
109