| // Copyright 2015 Google Inc. 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. |
| |
| #include "cobalt/cssom/media_feature_keyword_value.h" |
| |
| #include "base/lazy_instance.h" |
| #include "cobalt/cssom/media_feature_keyword_value_names.h" |
| #include "cobalt/cssom/property_value_visitor.h" |
| |
| namespace cobalt { |
| namespace cssom { |
| |
| struct MediaFeatureKeywordValue::NonTrivialStaticFields { |
| NonTrivialStaticFields() |
| : interlace_value( |
| new MediaFeatureKeywordValue(MediaFeatureKeywordValue::kInterlace)), |
| landscape_value( |
| new MediaFeatureKeywordValue(MediaFeatureKeywordValue::kLandscape)), |
| portrait_value( |
| new MediaFeatureKeywordValue(MediaFeatureKeywordValue::kPortrait)), |
| progressive_value(new MediaFeatureKeywordValue( |
| MediaFeatureKeywordValue::kProgressive)) {} |
| |
| const scoped_refptr<MediaFeatureKeywordValue> interlace_value; |
| const scoped_refptr<MediaFeatureKeywordValue> landscape_value; |
| const scoped_refptr<MediaFeatureKeywordValue> portrait_value; |
| const scoped_refptr<MediaFeatureKeywordValue> progressive_value; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(NonTrivialStaticFields); |
| }; |
| |
| namespace { |
| |
| base::LazyInstance<MediaFeatureKeywordValue::NonTrivialStaticFields> |
| non_trivial_static_fields = LAZY_INSTANCE_INITIALIZER; |
| |
| } // namespace |
| |
| |
| const scoped_refptr<MediaFeatureKeywordValue>& |
| MediaFeatureKeywordValue::GetInterlace() { |
| return non_trivial_static_fields.Get().interlace_value; |
| } |
| |
| const scoped_refptr<MediaFeatureKeywordValue>& |
| MediaFeatureKeywordValue::GetLandscape() { |
| return non_trivial_static_fields.Get().landscape_value; |
| } |
| |
| const scoped_refptr<MediaFeatureKeywordValue>& |
| MediaFeatureKeywordValue::GetPortrait() { |
| return non_trivial_static_fields.Get().portrait_value; |
| } |
| |
| const scoped_refptr<MediaFeatureKeywordValue>& |
| MediaFeatureKeywordValue::GetProgressive() { |
| return non_trivial_static_fields.Get().progressive_value; |
| } |
| |
| void MediaFeatureKeywordValue::Accept(PropertyValueVisitor* visitor) { |
| visitor->VisitMediaFeatureKeywordValue(this); |
| } |
| |
| std::string MediaFeatureKeywordValue::ToString() const { |
| switch (value_) { |
| case kInterlace: |
| return kInterlaceMediaFeatureKeywordValueName; |
| case kLandscape: |
| return kLandscapeMediaFeatureKeywordValueName; |
| case kPortrait: |
| return kPortraitMediaFeatureKeywordValueName; |
| case kProgressive: |
| return kProgressiveMediaFeatureKeywordValueName; |
| default: |
| NOTREACHED(); |
| return ""; |
| } |
| } |
| |
| } // namespace cssom |
| } // namespace cobalt |