1 /*
2  * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef FOUNDATION_ACE_FRAMEWORKS_BRIDGE_CARD_FRONTEND_MEDIA_QUERYER_H
17 #define FOUNDATION_ACE_FRAMEWORKS_BRIDGE_CARD_FRONTEND_MEDIA_QUERYER_H
18 
19 #include <string>
20 #include <unordered_map>
21 
22 #include "base/json/json_util.h"
23 #include "base/utils/resource_configuration.h"
24 
25 namespace OHOS::Ace::Framework {
26 
27 using MediaFeature = std::unique_ptr<JsonValue>;
28 
29 class ACE_FORCE_EXPORT MediaQueryer {
30 public:
31     bool MatchCondition(const std::string& condition, const MediaFeature& mediaFeature);
32     std::unique_ptr<JsonValue> GetMediaFeature() const;
SetColorMode(ColorMode colorMode)33     void SetColorMode(ColorMode colorMode)
34     {
35         colorMode_ = colorMode;
36     }
37 
SetSurfaceSize(int32_t width,int32_t height)38     void SetSurfaceSize(int32_t width, int32_t height)
39     {
40         width_ = width;
41         height_ = height;
42     }
43 
44 private:
45     struct QueryHistory {
46         std::string mediaFeatureValue;
47         bool result = false;
48     };
49     std::unordered_map<std::string, QueryHistory> queryHistories;
50     int32_t width_ = 0;
51     int32_t height_ = 0;
52     ColorMode colorMode_ = ColorMode::LIGHT;
53 
54 };
55 
56 } // namespace OHOS::Ace::Framework
57 
58 #endif // FOUNDATION_ACE_FRAMEWORKS_BRIDGE_CARD_FRONTEND_MEDIA_QUERYER_H
59