1 /*
2  * Copyright (c) 2021 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 OHOS_ACELITE_BASE_SYSTEM_INFO_H
17 #define OHOS_ACELITE_BASE_SYSTEM_INFO_H
18 
19 #include "acelite_config.h"
20 #include "memory_heap.h"
21 #include "non_copyable.h"
22 
23 namespace OHOS {
24 namespace ACELite {
25 class SystemInfo final : public MemoryHeap {
26 public:
27     ACE_DISALLOW_COPY_AND_MOVE(SystemInfo);
28     static SystemInfo &GetInstance();
29     void Initialize();
30 
31     /**
32      * @brief get the value of width/height
33      * @return the width/height value
34      */
35     float GetAspectRatio() const;
36 
37     /**
38      * @brief get the device type, support liteWearable and smartVision now
39      * @return the device type
40      */
41     const char *GetDeviceType() const;
42 
43     /**
44      * @brief charge the device is round screen or not
45      * @return the device is round scrren or not
46      */
47     bool IsRoundScreen() const;
48 
49     uint16_t GetScreenHeight() const;
50 
51     uint16_t GetScreenWidth() const;
52 
53 private:
SystemInfo()54     SystemInfo() : screenWidth_(0), screenHeight_(0), aspectRatio_(0.0), deviceType_(nullptr), isRoundScreen_(false) {}
~SystemInfo()55     ~SystemInfo() {}
56     static const uint8_t DEVICE_TYPE_STR_LEN = 32;
57     uint16_t screenWidth_;
58     uint16_t screenHeight_;
59     float aspectRatio_;
60     const char *deviceType_;
61     bool isRoundScreen_;
62 };
63 } // namespace ACELite
64 } // namespace OHOS
65 #endif // OHOS_ACELITE_BASE_SYSTEM_INFO_H
66