Bug 1267510 part 3 - Add DocumentTimeline constructor. r=birtles

MozReview-Commit-ID: CqqDlHQsm0p

--HG--
extra : rebase_source : 6f6f4583ffa57a4375af62c64a76081902b1f361

dom/animation/DocumentTimeline.cpp

@@ -36,6 +36,31 @@ DocumentTimeline::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
   return DocumentTimelineBinding::Wrap(aCx, this, aGivenProto);
 }
 
+/* static */ already_AddRefed<DocumentTimeline>
+DocumentTimeline::Constructor(const GlobalObject& aGlobal,
+                              const DOMHighResTimeStamp& aOriginTime,
+                              ErrorResult& aRv)
+{
+  nsIDocument* doc = AnimationUtils::GetCurrentRealmDocument(aGlobal.Context());
+  if (!doc) {
+    aRv.Throw(NS_ERROR_FAILURE);
+    return nullptr;
+  }
+
+  TimeDuration originTime = TimeDuration::FromMilliseconds(aOriginTime);
+  if (originTime == TimeDuration::Forever() ||
+      originTime == -TimeDuration::Forever()) {
+    nsAutoString inputOriginTime;
+    inputOriginTime.AppendFloat(aOriginTime);
+    aRv.ThrowTypeError<dom::MSG_TIME_VALUE_OUT_OF_RANGE>(
+      NS_LITERAL_STRING("Origin time"));
+    return nullptr;
+  }
+  RefPtr<DocumentTimeline> timeline = new DocumentTimeline(doc, originTime);
+
+  return timeline.forget();
+}
+
 Nullable<TimeDuration>
 DocumentTimeline::GetCurrentTime() const
 {

dom/animation/DocumentTimeline.h

@@ -10,6 +10,7 @@
 #include "mozilla/TimeStamp.h"
 #include "AnimationTimeline.h"
 #include "nsIDocument.h"
+#include "nsDOMNavigationTiming.h" // for DOMHighResTimeStamp
 #include "nsRefreshDriver.h"
 
 struct JSContext;
@@ -51,6 +52,11 @@ public:
   virtual JSObject* WrapObject(JSContext* aCx,
                                JS::Handle<JSObject*> aGivenProto) override;
 
+  static already_AddRefed<DocumentTimeline>
+  Constructor(const GlobalObject& aGlobal,
+              const DOMHighResTimeStamp& aOriginTime,
+              ErrorResult& aRv);
+
   // AnimationTimeline methods
   virtual Nullable<TimeDuration> GetCurrentTime() const override;
 

dom/bindings/Errors.msg

@@ -98,4 +98,5 @@ MSG_DEF(MSG_INVALID_EASING_ERROR, 1, JSEXN_TYPEERR, "Invalid easing '{0}'.")
 MSG_DEF(MSG_USELESS_SETTIMEOUT, 1, JSEXN_TYPEERR, "Useless {0} call (missing quotes around argument?)")
 MSG_DEF(MSG_TOKENLIST_NO_SUPPORTED_TOKENS, 2, JSEXN_TYPEERR, "{0} attribute of <{1}> does not define any supported tokens")
 MSG_DEF(MSG_CACHE_STREAM_CLOSED, 0, JSEXN_TYPEERR, "Response body is a cache file stream that has already been closed.")
+MSG_DEF(MSG_TIME_VALUE_OUT_OF_RANGE, 1, JSEXN_TYPEERR, "{0} is outside the supported range for time values.")
 MSG_DEF(MSG_ONLY_IF_CACHED_WITHOUT_SAME_ORIGIN, 1, JSEXN_TYPEERR, "Request mode '{0}' was used, but request cache mode 'only-if-cached' can only be used with request mode 'same-origin'.")