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 #include "base/utils/resource_configuration.h"
17
18 #include "base/log/log.h"
19 #include "base/utils/utils.h"
20
21 namespace OHOS::Ace {
22 namespace {
23
24 const std::string CONFIGURATION_COLOR_MODE = "colorMode";
25 const std::string COLOR_MODE_LIGHT = "light";
26 const std::string COLOR_MODE_DARK = "dark";
27 const std::string CONFIGURATION_FONT_RATIO = "fontScale";
28
AddFlag(uint32_t & flags,uint32_t flag)29 void AddFlag(uint32_t& flags, uint32_t flag)
30 {
31 flags |= flag;
32 }
33
34 } // namespace
35
ParseJsonColorMode(const std::unique_ptr<JsonValue> & jsonConfig,uint32_t & updateFlags)36 bool ResourceConfiguration::ParseJsonColorMode(const std::unique_ptr<JsonValue>& jsonConfig, uint32_t& updateFlags)
37 {
38 if (!jsonConfig->Contains(CONFIGURATION_COLOR_MODE)) {
39 return false;
40 }
41 auto jsonColorMode = jsonConfig->GetValue(CONFIGURATION_COLOR_MODE);
42 if (!jsonColorMode->IsString()) {
43 return false;
44 }
45 auto strColorMode = jsonColorMode->GetString();
46 if (strColorMode != COLOR_MODE_LIGHT && strColorMode != COLOR_MODE_DARK) {
47 return false;
48 }
49 ColorMode colorMode = ColorMode::LIGHT;
50 if (strColorMode == COLOR_MODE_DARK) {
51 colorMode = ColorMode::DARK;
52 }
53 if (colorMode != colorMode_) {
54 colorMode_ = colorMode;
55 AddFlag(updateFlags, ResourceConfiguration::COLOR_MODE_UPDATED_FLAG);
56 }
57 return true;
58 }
59
ParseJsonFontRatio(const std::unique_ptr<JsonValue> & jsonConfig,uint32_t & updateFlags)60 bool ResourceConfiguration::ParseJsonFontRatio(const std::unique_ptr<JsonValue>& jsonConfig, uint32_t& updateFlags)
61 {
62 if (!jsonConfig->Contains(CONFIGURATION_FONT_RATIO)) {
63 return false;
64 }
65 auto jsonFontRatio = jsonConfig->GetValue(CONFIGURATION_FONT_RATIO);
66 if (!jsonFontRatio->IsNumber()) {
67 return false;
68 }
69 double fontRatio = jsonFontRatio->GetDouble();
70 if (!NearEqual(fontRatio, fontRatio_)) {
71 fontRatio_ = fontRatio;
72 AddFlag(updateFlags, ResourceConfiguration::FONT_RATIO_UPDATED_FLAG);
73 }
74 return true;
75 }
76
UpdateFromJsonString(const std::string jsonStr,uint32_t & updateFlags)77 bool ResourceConfiguration::UpdateFromJsonString(const std::string jsonStr, uint32_t& updateFlags)
78 {
79 updateFlags = 0;
80 std::unique_ptr<JsonValue> jsonConfig = JsonUtil::ParseJsonString(jsonStr);
81 CHECK_NULL_RETURN(jsonConfig, false);
82 ParseJsonColorMode(jsonConfig, updateFlags);
83 ParseJsonFontRatio(jsonConfig, updateFlags);
84 return true;
85 }
86
87 } // namespace OHOS::Ace
88