/src/mozilla-central/dom/animation/AnimationUtils.cpp
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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 "nsDebug.h" |
10 | | #include "nsAtom.h" |
11 | | #include "nsIContent.h" |
12 | | #include "nsIDocument.h" |
13 | | #include "nsGlobalWindow.h" |
14 | | #include "nsString.h" |
15 | | #include "xpcpublic.h" // For xpc::NativeGlobal |
16 | | #include "mozilla/EffectSet.h" |
17 | | #include "mozilla/dom/KeyframeEffect.h" |
18 | | #include "mozilla/Preferences.h" |
19 | | |
20 | | namespace mozilla { |
21 | | |
22 | | /* static */ void |
23 | | AnimationUtils::LogAsyncAnimationFailure(nsCString& aMessage, |
24 | | const nsIContent* aContent) |
25 | 0 | { |
26 | 0 | if (aContent) { |
27 | 0 | aMessage.AppendLiteral(" ["); |
28 | 0 | aMessage.Append(nsAtomCString(aContent->NodeInfo()->NameAtom())); |
29 | 0 |
|
30 | 0 | nsAtom* id = aContent->GetID(); |
31 | 0 | if (id) { |
32 | 0 | aMessage.AppendLiteral(" with id '"); |
33 | 0 | aMessage.Append(nsAtomCString(aContent->GetID())); |
34 | 0 | aMessage.Append('\''); |
35 | 0 | } |
36 | 0 | aMessage.Append(']'); |
37 | 0 | } |
38 | 0 | aMessage.Append('\n'); |
39 | 0 | printf_stderr("%s", aMessage.get()); |
40 | 0 | } |
41 | | |
42 | | /* static */ nsIDocument* |
43 | | AnimationUtils::GetCurrentRealmDocument(JSContext* aCx) |
44 | 0 | { |
45 | 0 | nsGlobalWindowInner* win = xpc::CurrentWindowOrNull(aCx); |
46 | 0 | if (!win) { |
47 | 0 | return nullptr; |
48 | 0 | } |
49 | 0 | return win->GetDoc(); |
50 | 0 | } |
51 | | |
52 | | /* static */ nsIDocument* |
53 | | AnimationUtils::GetDocumentFromGlobal(JSObject* aGlobalObject) |
54 | 0 | { |
55 | 0 | nsGlobalWindowInner* win = xpc::WindowOrNull(aGlobalObject); |
56 | 0 | if (!win) { |
57 | 0 | return nullptr; |
58 | 0 | } |
59 | 0 | return win->GetDoc(); |
60 | 0 | } |
61 | | |
62 | | /* static */ bool |
63 | | AnimationUtils::IsOffscreenThrottlingEnabled() |
64 | 0 | { |
65 | 0 | static bool sOffscreenThrottlingEnabled; |
66 | 0 | static bool sPrefCached = false; |
67 | 0 |
|
68 | 0 | if (!sPrefCached) { |
69 | 0 | sPrefCached = true; |
70 | 0 | Preferences::AddBoolVarCache(&sOffscreenThrottlingEnabled, |
71 | 0 | "dom.animations.offscreen-throttling"); |
72 | 0 | } |
73 | 0 |
|
74 | 0 | return sOffscreenThrottlingEnabled; |
75 | 0 | } |
76 | | |
77 | | /* static */ bool |
78 | | AnimationUtils::EffectSetContainsAnimatedScale(EffectSet& aEffects, |
79 | | const nsIFrame* aFrame) |
80 | 0 | { |
81 | 0 | for (const dom::KeyframeEffect* effect : aEffects) { |
82 | 0 | if (effect->ContainsAnimatedScale(aFrame)) { |
83 | 0 | return true; |
84 | 0 | } |
85 | 0 | } |
86 | 0 |
|
87 | 0 | return false; |
88 | 0 | } |
89 | | |
90 | | } // namespace mozilla |