From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 dom/animation/AnimationUtils.cpp | 81 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 dom/animation/AnimationUtils.cpp

(limited to 'dom/animation/AnimationUtils.cpp')

diff --git a/dom/animation/AnimationUtils.cpp b/dom/animation/AnimationUtils.cpp
new file mode 100644
index 000000000..476652f77
--- /dev/null
+++ b/dom/animation/AnimationUtils.cpp
@@ -0,0 +1,81 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "AnimationUtils.h"
+
+#include "nsContentUtils.h" // For nsContentUtils::IsCallerChrome
+#include "nsDebug.h"
+#include "nsIAtom.h"
+#include "nsIContent.h"
+#include "nsIDocument.h"
+#include "nsGlobalWindow.h"
+#include "nsString.h"
+#include "xpcpublic.h" // For xpc::NativeGlobal
+#include "mozilla/Preferences.h"
+
+namespace mozilla {
+
+/* static */ void
+AnimationUtils::LogAsyncAnimationFailure(nsCString& aMessage,
+                                         const nsIContent* aContent)
+{
+  if (aContent) {
+    aMessage.AppendLiteral(" [");
+    aMessage.Append(nsAtomCString(aContent->NodeInfo()->NameAtom()));
+
+    nsIAtom* id = aContent->GetID();
+    if (id) {
+      aMessage.AppendLiteral(" with id '");
+      aMessage.Append(nsAtomCString(aContent->GetID()));
+      aMessage.Append('\'');
+    }
+    aMessage.Append(']');
+  }
+  aMessage.Append('\n');
+  printf_stderr("%s", aMessage.get());
+}
+
+/* static */ nsIDocument*
+AnimationUtils::GetCurrentRealmDocument(JSContext* aCx)
+{
+  nsGlobalWindow* win = xpc::CurrentWindowOrNull(aCx);
+  if (!win) {
+    return nullptr;
+  }
+  return win->GetDoc();
+}
+
+/* static */ bool
+AnimationUtils::IsOffscreenThrottlingEnabled()
+{
+  static bool sOffscreenThrottlingEnabled;
+  static bool sPrefCached = false;
+
+  if (!sPrefCached) {
+    sPrefCached = true;
+    Preferences::AddBoolVarCache(&sOffscreenThrottlingEnabled,
+                                 "dom.animations.offscreen-throttling");
+  }
+
+  return sOffscreenThrottlingEnabled;
+}
+
+/* static */ bool
+AnimationUtils::IsCoreAPIEnabledForCaller()
+{
+  static bool sCoreAPIEnabled;
+  static bool sPrefCached = false;
+
+  if (!sPrefCached) {
+    sPrefCached = true;
+    Preferences::AddBoolVarCache(&sCoreAPIEnabled,
+                                 "dom.animations-api.core.enabled");
+  }
+
+  return sCoreAPIEnabled || nsContentUtils::IsCallerChrome();
+}
+
+} // namespace mozilla
-- 
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