1 files changed, 27 insertions, 0 deletions
diff --git a/devtools/client/inspector/animation/components/graph/NegativeEndDelayPath.js b/devtools/client/inspector/animation/components/graph/NegativeEndDelayPath.js
new file mode 100644
index 0000000000..88f5f65037
--- /dev/null
+++ b/devtools/client/inspector/animation/components/graph/NegativeEndDelayPath.js
@@ -0,0 +1,27 @@
+/* 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/. */
+
+"use strict";
+
+const dom = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
+
+const NegativePath = require("resource://devtools/client/inspector/animation/components/graph/NegativePath.js");
+
+class NegativeEndDelayPath extends NegativePath {
+  getClassName() {
+    return "animation-negative-end-delay-path";
+  }
+
+  renderGraph(state, helper) {
+    const endTime = state.delay + state.iterationCount * state.duration;
+    const startTime = endTime + state.endDelay;
+    const segments = helper.createPathSegments(startTime, endTime);
+
+    return dom.path({
+      d: helper.toPathString(segments),
+    });
+  }
+}
+
+module.exports = NegativeEndDelayPath;