1 /*
2 * Copyright (C) 2023 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 "core/common/ai/data_detector_mgr.h"
17
18 #include "core/common/ai/data_detector_default.h"
19
20 namespace OHOS::Ace {
21
GetInstance()22 DataDetectorMgr& DataDetectorMgr::GetInstance()
23 {
24 static DataDetectorMgr instance;
25 return instance;
26 }
27
DataDetectorMgr()28 DataDetectorMgr::DataDetectorMgr()
29 {
30 auto lib = DataDetectorLoader::Load();
31 if (lib == nullptr || (engine_ = lib->CreateDataDetector()) == nullptr) {
32 engine_ = DataDetectorInstance(new DataDetectorDefault, [](DataDetectorInterface* e) {
33 auto* p = reinterpret_cast<DataDetectorDefault*>(e);
34 delete p;
35 });
36 }
37 }
38
IsDataDetectorSupported()39 bool DataDetectorMgr::IsDataDetectorSupported()
40 {
41 if (engine_) {
42 return engine_->IsDataDetectorSupported();
43 }
44 return false;
45 }
46
DataDetect(const TextDataDetectInfo & info,const TextDetectResultFunc & resultFunc)47 void DataDetectorMgr::DataDetect(const TextDataDetectInfo& info, const TextDetectResultFunc& resultFunc)
48 {
49 if (!IsDataDetectorSupported()) {
50 TextDataDetectResult result;
51 result.code = UNSUPPORTED_CODE;
52 resultFunc(result);
53 return;
54 }
55 if (engine_) {
56 engine_->DataDetect(info, resultFunc);
57 }
58 }
59
AdjustCursorPosition(int32_t & caretPos,const std::string & content,TimeStamp & lastAiPosTimeStamp,const TimeStamp & lastClickTimeStamp)60 void DataDetectorMgr::AdjustCursorPosition(
61 int32_t& caretPos, const std::string& content, TimeStamp& lastAiPosTimeStamp, const TimeStamp& lastClickTimeStamp)
62 {
63 if (engine_) {
64 int32_t aiPos = GetCursorPosition(content, caretPos);
65 TAG_LOGI(AceLogTag::ACE_TEXTINPUT, "TryGetAiCursorPosition,aiPos is %{public}d", aiPos);
66
67 if (aiPos < 0) {
68 return;
69 }
70 // aiPos should above zero;
71 caretPos = aiPos;
72 // record the ai position time
73 lastAiPosTimeStamp = lastClickTimeStamp;
74 }
75 }
76
AdjustWordSelection(int32_t & caretPos,const std::string & content,int32_t & start,int32_t & end)77 void DataDetectorMgr::AdjustWordSelection(int32_t& caretPos, const std::string& content, int32_t& start, int32_t& end)
78 {
79 if (engine_) {
80 std::vector<int8_t> ret = GetWordSelection(content, caretPos);
81 start = ret[0];
82 end = ret[1];
83
84 TAG_LOGI(AceLogTag::ACE_TEXTINPUT, "get ai selection:%{public}d--%{public}d", start, end);
85 if (start < 0 || end < 0) {
86 return;
87 }
88 caretPos = start;
89 }
90 }
91
GetWordSelection(const std::string & text,int8_t offset)92 std::vector<int8_t> DataDetectorMgr::GetWordSelection(const std::string& text, int8_t offset)
93 {
94 if (engine_) {
95 return engine_->GetWordSelection(text, offset);
96 }
97
98 return std::vector<int8_t> { -1, -1 };
99 }
100
GetCursorPosition(const std::string & text,int8_t offset)101 int8_t DataDetectorMgr::GetCursorPosition(const std::string& text, int8_t offset)
102 {
103 if (engine_) {
104 return engine_->GetCursorPosition(text, offset);
105 }
106
107 return -1;
108 }
109 } // namespace OHOS::Ace
110