| // Copyright 2015 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. |
| |
| #ifndef COBALT_CSSOM_MEDIA_QUERY_H_ |
| #define COBALT_CSSOM_MEDIA_QUERY_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "base/basictypes.h" |
| #include "cobalt/cssom/media_feature.h" |
| #include "cobalt/cssom/viewport_size.h" |
| #include "cobalt/math/size.h" |
| #include "cobalt/script/wrappable.h" |
| |
| namespace cobalt { |
| namespace cssom { |
| |
| // The media query represents the expression of the @media conditional rule |
| // for example: 'screen and (max-width: 640px) and (aspect-ratio: 4/3)' |
| // https://www.w3.org/TR/css3-mediaqueries |
| class MediaQuery : public script::Wrappable { |
| public: |
| MediaQuery(); |
| explicit MediaQuery(bool evaluated_media_type); |
| MediaQuery(bool evaluated_media_type, |
| std::unique_ptr<MediaFeatures> media_features); |
| |
| // Custom, not in any spec. |
| // |
| std::string media_query(); |
| |
| bool EvaluateConditionValue(const ViewportSize& viewport_size); |
| |
| DEFINE_WRAPPABLE_TYPE(MediaQuery); |
| |
| private: |
| bool evaluated_media_type_; |
| std::unique_ptr<MediaFeatures> media_features_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MediaQuery); |
| }; |
| |
| } // namespace cssom |
| } // namespace cobalt |
| |
| #endif // COBALT_CSSOM_MEDIA_QUERY_H_ |