1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7 #include "AnimationUtils.h"
8
9 #include "mozilla/dom/Animation.h"
10 #include "mozilla/dom/Document.h"
11 #include "mozilla/dom/KeyframeEffect.h"
12 #include "mozilla/EffectSet.h"
13 #include "nsDebug.h"
14 #include "nsAtom.h"
15 #include "nsIContent.h"
16 #include "nsGlobalWindow.h"
17 #include "nsString.h"
18 #include "xpcpublic.h" // For xpc::NativeGlobal
19
20 using namespace mozilla::dom;
21
22 namespace mozilla {
23
24 /* static */
LogAsyncAnimationFailure(nsCString & aMessage,const nsIContent * aContent)25 void AnimationUtils::LogAsyncAnimationFailure(nsCString& aMessage,
26 const nsIContent* aContent) {
27 if (aContent) {
28 aMessage.AppendLiteral(" [");
29 aMessage.Append(nsAtomCString(aContent->NodeInfo()->NameAtom()));
30
31 nsAtom* id = aContent->GetID();
32 if (id) {
33 aMessage.AppendLiteral(" with id '");
34 aMessage.Append(nsAtomCString(aContent->GetID()));
35 aMessage.Append('\'');
36 }
37 aMessage.Append(']');
38 }
39 aMessage.Append('\n');
40 printf_stderr("%s", aMessage.get());
41 }
42
43 /* static */
GetCurrentRealmDocument(JSContext * aCx)44 Document* AnimationUtils::GetCurrentRealmDocument(JSContext* aCx) {
45 nsGlobalWindowInner* win = xpc::CurrentWindowOrNull(aCx);
46 if (!win) {
47 return nullptr;
48 }
49 return win->GetDoc();
50 }
51
52 /* static */
GetDocumentFromGlobal(JSObject * aGlobalObject)53 Document* AnimationUtils::GetDocumentFromGlobal(JSObject* aGlobalObject) {
54 nsGlobalWindowInner* win = xpc::WindowOrNull(aGlobalObject);
55 if (!win) {
56 return nullptr;
57 }
58 return win->GetDoc();
59 }
60
61 /* static */
FrameHasAnimatedScale(const nsIFrame * aFrame)62 bool AnimationUtils::FrameHasAnimatedScale(const nsIFrame* aFrame) {
63 EffectSet* effectSet = EffectSet::GetEffectSetForFrame(
64 aFrame, nsCSSPropertyIDSet::TransformLikeProperties());
65 if (!effectSet) {
66 return false;
67 }
68
69 for (const dom::KeyframeEffect* effect : *effectSet) {
70 if (effect->ContainsAnimatedScale(aFrame)) {
71 return true;
72 }
73 }
74
75 return false;
76 }
77
78 /* static */
HasCurrentTransitions(const Element * aElement,PseudoStyleType aPseudoType)79 bool AnimationUtils::HasCurrentTransitions(const Element* aElement,
80 PseudoStyleType aPseudoType) {
81 MOZ_ASSERT(aElement);
82
83 EffectSet* effectSet = EffectSet::GetEffectSet(aElement, aPseudoType);
84 if (!effectSet) {
85 return false;
86 }
87
88 for (const dom::KeyframeEffect* effect : *effectSet) {
89 // If |effect| is current, it must have an associated Animation
90 // so we don't need to null-check the result of GetAnimation().
91 if (effect->IsCurrent() && effect->GetAnimation()->AsCSSTransition()) {
92 return true;
93 }
94 }
95
96 return false;
97 }
98
99 } // namespace mozilla
100