| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef AddEventListenerOptionsDefaults_h |
| #define AddEventListenerOptionsDefaults_h |
| |
| namespace blink { |
| |
| // Defines the default for 'passive' field used in the AddEventListenerOptions interface |
| // when javascript calls addEventListener. |
| // |False| is the default specified in |
| // https://dom.spec.whatwg.org/#dictdef-addeventlisteneroptions. However |
| // specifying a different default value is useful in demonstrating the |
| // power of passive event listeners. |
| enum class PassiveListenerDefault { |
| False, // Default of false. |
| True, // Default of true. |
| ForceAllTrue // Force all values to be true even when specified. |
| }; |
| |
| } // namespace blink |
| |
| #endif // AddEventListenerOptionsDefaults_h |
