1 /*
2  * Copyright (c) 2020-2021 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_APP_STYLE_MANAGER_H
17 #define OHOS_ACELITE_APP_STYLE_MANAGER_H
18 
19 #include "keys.h"
20 #include "non_copyable.h"
21 #include "stylemgr/app_style.h"
22 #include "stylemgr/app_style_sheet.h"
23 
24 namespace OHOS {
25 namespace ACELite {
26 class Component;
27 class AppStyleManager final : public MemoryHeap {
28 public:
29     ACE_DISALLOW_COPY_AND_MOVE(AppStyleManager);
30     AppStyleManager();
31     ~AppStyleManager();
32 
33     void InitStyleSheet(jerry_value_t jsStyleSheetObj);
34     const AppStyleSheet* GetStyleSheet();
35     void ApplyComponentStyles(const jerry_value_t options, Component& curr);
36     void Prepare();
37     bool isStandardExist(uint16_t styleItemNameId);
38     bool isPseudoExist(uint16_t styleItemNameId, uint16_t type);
39 
40 private:
41     void ApplySingleStyle(AppStyle &appStyle, Component &curr);
42     jerry_value_t GetStyleObjFromOptions(jerry_value_t options, const jerry_value_t name);
43     void HandleStaticStyle(const jerry_value_t options, Component& curr);
44     void HandleDynamicStyle(const jerry_value_t options, Component& curr);
45     void HandleIDSelectors(const jerry_value_t options, Component &curr);
46     void HandleClassSelectors(const jerry_value_t options, Component &curr);
47     void HandleSelectors(const jerry_value_t options, const jerry_value_t type, Component &curr);
48     void HandleSingleSelector(const jerry_value_t selectorValue, const jerry_value_t type, Component &curr);
49     void ResetFlags();
50     void MarkStandardFlag(uint16_t styleItemNameId);
51     void MarkPseudoFlag(uint16_t styleItemNameId, uint16_t type);
52     AppStyleSheet* styleSheet_;
53 
54     // prepare jerry string value in advance to speed up
55     jerry_value_t idStrValue_;
56     jerry_value_t attrsStrValue_;
57     jerry_value_t dynamicStyleStrValue_;
58     jerry_value_t staticStyleStrValue_;
59     jerry_value_t staticClassStrValue_;
60     StyleFlag* flags_;
61     uint16_t flagsLen_;
62     static const char * const ID;
63     static const char * const ATTR_STATIC_STYLE;
64     static const char * const ATTR_DYNAMIC_STYLE;
65     static const char * const ATTR_STATIC_CLASS;
66 };
67 } // namespace ACELite
68 } // namespace OHOS
69 
70 #endif // OHOS_ACELITE_APP_STYLE_MANAGER_H
71