From abc58d2ed0fd7739b31be78d6338ae79206ce879 Mon Sep 17 00:00:00 2001
From: Moonchild <moonchild@palemoon.org>
Date: Thu, 14 Jan 2021 17:43:44 +0000
Subject: Issue #1689 - Part 4: Add a preference for
 {Document,Element}.getAnimations()

This is probably the last thing we will ship (if ever) since it needs the most
spec and implementation work for arbitrary use that is pretty far into a corner.
---
 dom/animation/test/mochitest.ini   | 1 +
 dom/base/nsDocument.cpp            | 9 +++++++++
 dom/base/nsDocument.h              | 1 +
 dom/webidl/Animatable.webidl       | 2 +-
 dom/webidl/CSSPseudoElement.webidl | 2 +-
 dom/webidl/Document.webidl         | 2 +-
 6 files changed, 14 insertions(+), 3 deletions(-)

(limited to 'dom')

diff --git a/dom/animation/test/mochitest.ini b/dom/animation/test/mochitest.ini
index fff62ac7c..ecdb674fe 100644
--- a/dom/animation/test/mochitest.ini
+++ b/dom/animation/test/mochitest.ini
@@ -2,6 +2,7 @@
 prefs =
   dom.animations-api.compositing.enabled=true
   dom.animations-api.core.enabled=true
+  dom.animations-api.getAnimations.enabled=true
   dom.animations-api.implicit-keyframes.enabled=true
   dom.animations-api.timelines.enabled=true
 # Support files for chrome tests that we want to load over HTTP need
diff --git a/dom/base/nsDocument.cpp b/dom/base/nsDocument.cpp
index 43f11c031..1c3e7a421 100644
--- a/dom/base/nsDocument.cpp
+++ b/dom/base/nsDocument.cpp
@@ -2941,6 +2941,15 @@ nsDocument::AreWebAnimationsImplicitKeyframesEnabled(JSContext* /*unused*/, JSOb
          Preferences::GetBool("dom.animations-api.implicit-keyframes.enabled");
 }
 
+bool
+nsDocument::IsWebAnimationsGetAnimationsEnabled(JSContext* /*unused*/, JSObject* /*unused*/)
+{
+  MOZ_ASSERT(NS_IsMainThread());
+
+  return nsContentUtils::IsCallerChrome() ||
+         Preferences::GetBool("dom.animations-api.getAnimations.enabled");
+}
+
 DocumentTimeline*
 nsDocument::Timeline()
 {
diff --git a/dom/base/nsDocument.h b/dom/base/nsDocument.h
index f544166c2..010f95ae2 100644
--- a/dom/base/nsDocument.h
+++ b/dom/base/nsDocument.h
@@ -435,6 +435,7 @@ public:
   static bool IsWebAnimationsEnabled(JSContext* aCx, JSObject* aObject);
   static bool AreWebAnimationsImplicitKeyframesEnabled(JSContext* aCx, JSObject* aObject);
   static bool AreWebAnimationsTimelinesEnabled(JSContext* aCx, JSObject* aObject);
+  static bool IsWebAnimationsGetAnimationsEnabled(JSContext* aCx, JSObject* aObject);
 
   virtual mozilla::dom::DocumentTimeline* Timeline() override;
   virtual void GetAnimations(
diff --git a/dom/webidl/Animatable.webidl b/dom/webidl/Animatable.webidl
index 4c1396c99..decc13960 100644
--- a/dom/webidl/Animatable.webidl
+++ b/dom/webidl/Animatable.webidl
@@ -23,6 +23,6 @@ interface Animatable {
   [Func="nsDocument::IsElementAnimateEnabled", Throws]
   Animation animate(object? keyframes,
                     optional UnrestrictedDoubleOrKeyframeAnimationOptions options);
-  [Func="nsDocument::IsWebAnimationsEnabled"]
+  [Func="nsDocument::IsWebAnimationsGetAnimationsEnabled"]
   sequence<Animation> getAnimations(optional AnimationFilter filter);
 };
diff --git a/dom/webidl/CSSPseudoElement.webidl b/dom/webidl/CSSPseudoElement.webidl
index 96d191e3a..250bef03c 100644
--- a/dom/webidl/CSSPseudoElement.webidl
+++ b/dom/webidl/CSSPseudoElement.webidl
@@ -15,7 +15,7 @@
 // this interface.
 // What we implement here is a minimal subset of the two definitions which we
 // ship behind a pref until the specification issues have been resolved.
-[Func="nsDocument::IsWebAnimationsEnabled"]
+[Func="nsDocument::IsWebAnimationsGetAnimationsEnabled"]
 interface CSSPseudoElement {
   readonly attribute DOMString type;
   readonly attribute Element parentElement;
diff --git a/dom/webidl/Document.webidl b/dom/webidl/Document.webidl
index 46db00876..2ade9a2c9 100644
--- a/dom/webidl/Document.webidl
+++ b/dom/webidl/Document.webidl
@@ -314,7 +314,7 @@ partial interface Document {
 partial interface Document {
   [Func="nsDocument::AreWebAnimationsTimelinesEnabled"]
   readonly attribute DocumentTimeline timeline;
-  [Func="nsDocument::IsWebAnimationsEnabled"]
+  [Func="nsDocument::IsWebAnimationsGetAnimationsEnabled"]
   sequence<Animation> getAnimations();
 };
 
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