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_COMMON_MEDIA_QUERY_MEDIA_QUERY_INFO_H
17 #define FOUNDATION_ACE_FRAMEWORKS_BRIDGE_COMMON_MEDIA_QUERY_MEDIA_QUERY_INFO_H
18 
19 #include <string>
20 
21 #include "base/json/json_util.h"
22 #include "base/memory/ace_type.h"
23 #include "base/utils/macros.h"
24 #include "base/utils/noncopyable.h"
25 #include "base/utils/system_properties.h"
26 
27 namespace OHOS::Ace::Framework {
28 
29 class ACE_FORCE_EXPORT MediaQueryInfo : public AceType {
30     DECLARE_ACE_TYPE(MediaQueryInfo, AceType);
31 
32 public:
33     MediaQueryInfo() = default;
34     ~MediaQueryInfo() override = default;
35 
36     static std::unique_ptr<JsonValue> GetMediaQueryJsonInfo();
37     std::string GetMediaQueryInfo() const;
38 
39     static std::string GetDeviceType();
40 
41     static std::string GetOrientation();
42 
GetIsInit()43     bool GetIsInit() const
44     {
45         return isInit_;
46     }
47 
SetIsInit(bool init)48     void SetIsInit(bool init)
49     {
50         isInit_ = init;
51     }
52 
SetListenerId(const std::string & listenerId)53     void SetListenerId(const std::string& listenerId)
54     {
55         listenerId_ = listenerId;
56         backupListenerId_ = listenerId;
57     }
58 
GetListenerId()59     const std::string& GetListenerId() const
60     {
61         return listenerId_;
62     }
63 
64     // reset listenerId when it was consumed to handle multi-page case.
ResetListenerId()65     void ResetListenerId()
66     {
67         listenerId_.clear();
68     }
69 
70     // ensure listenerId is valid to handle split screen case.
EnsureListenerIdValid()71     void EnsureListenerIdValid()
72     {
73         listenerId_ = backupListenerId_;
74     }
75 
76 private:
77     bool isInit_ = true;
78     std::string listenerId_;
79     // backupListenerId_ is used for backup listenerId_ to handle split screen case.
80     // under the circumstances, the viewsizechanged event will be triggered, but the
81     // method of addListener will not run, so the listenerId is empty. this backup
82     // can ensure listenerId_ is valid when screen is split.
83     std::string backupListenerId_;
84 
85     ACE_DISALLOW_COPY_AND_MOVE(MediaQueryInfo);
86 };
87 
88 } // namespace OHOS::Ace::Framework
89 
90 #endif // FOUNDATION_ACE_FRAMEWORKS_BRIDGE_COMMON_MEDIA_QUERY_MEDIA_QUERY_INFO_H
91