| // Copyright 2017 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Enum for the state of a given caption property |
| enum CaptionState { |
| |
| // The property is not supported by the system. The application should provide |
| // a way to set this property, otherwise it will not be changeable. |
| "unsupported", |
| |
| // The property is supported by the system, but the user has not set it. |
| // The application should provide a default setting for the property to |
| // handle this case. |
| "unset", |
| |
| // The user has set this property as a system default, meaning that it should |
| // take priority over app defaults. If SystemCaptionSettings.supportsOverride |
| // contains true, this value should be interpreted as explicitly saying |
| // "do not override." If it contains false, it is up to the application to |
| // interpret any additional meaning of this value. |
| "set", |
| |
| // This property should take priority over everything but application-level |
| // overrides, including video caption data. If |
| // SystemCaptionSettings.supportsOverride contains false, then no attributes |
| // will ever contain this value. |
| "override", |
| }; |
