1 /*
2 * Copyright (c) 2024 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/components_ng/pattern/linear_indicator/linear_indicator_accessibility_property.h"
17
18 #include "core/components_ng/pattern/linear_indicator/linear_indicator_pattern.h"
19
20 namespace OHOS::Ace::NG {
GetCurrentIndex() const21 int32_t LinearIndicatorAccessibilityProperty::GetCurrentIndex() const
22 {
23 auto pattern = GetLinearIndicatorPattern();
24 CHECK_NULL_RETURN(pattern, 0);
25 auto controller = pattern->GetController();
26 CHECK_NULL_RETURN(controller, 0);
27 return controller->Index();
28 }
29
GetBeginIndex() const30 int32_t LinearIndicatorAccessibilityProperty::GetBeginIndex() const
31 {
32 return 0;
33 }
34
GetEndIndex() const35 int32_t LinearIndicatorAccessibilityProperty::GetEndIndex() const
36 {
37 int32_t count = GetCollectionItemCounts();
38 if (count > 0) {
39 return count - 1;
40 } else {
41 return 0;
42 }
43 }
44
GetCollectionItemCounts() const45 int32_t LinearIndicatorAccessibilityProperty::GetCollectionItemCounts() const
46 {
47 auto pattern = GetLinearIndicatorPattern();
48 CHECK_NULL_RETURN(pattern, 0);
49 auto layoutProperty = pattern->GetLayoutProperty<LinearIndicatorLayoutProperty>();
50 CHECK_NULL_RETURN(layoutProperty, 0);
51 return layoutProperty->GetProgressCount().value_or(0);
52 }
53
GetAccessibilityValue() const54 AccessibilityValue LinearIndicatorAccessibilityProperty::GetAccessibilityValue() const
55 {
56 AccessibilityValue result;
57 result.min = GetBeginIndex();
58 result.max = GetEndIndex();
59 result.current = GetCurrentIndex();
60 return result;
61 }
62
GetLinearIndicatorPattern() const63 RefPtr<LinearIndicatorPattern> LinearIndicatorAccessibilityProperty::GetLinearIndicatorPattern() const
64 {
65 auto frameNode = host_.Upgrade();
66 CHECK_NULL_RETURN(frameNode, nullptr);
67 return frameNode->GetPattern<LinearIndicatorPattern>();
68 }
69
70 } // namespace OHOS::Ace::NG
71