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/components_ng/pattern/list/list_content_modifier.h"
17
18 #include "base/utils/utils.h"
19 #include "core/components_ng/base/modifier.h"
20 #include "core/components_ng/render/divider_painter.h"
21 #include "core/components_ng/render/drawing.h"
22
23 namespace OHOS::Ace::NG {
ListContentModifier(const OffsetF & clipOffset,const SizeF & clipSize)24 ListContentModifier::ListContentModifier(const OffsetF& clipOffset, const SizeF& clipSize)
25 {
26 color_ = AceType::MakeRefPtr<AnimatablePropertyColor>(LinearColor::TRANSPARENT);
27 clipOffset_ = AceType::MakeRefPtr<AnimatablePropertyOffsetF>(clipOffset);
28 clipSize_ = AceType::MakeRefPtr<AnimatablePropertySizeF>(clipSize);
29 clip_ = AceType::MakeRefPtr<PropertyBool>(true);
30 RefPtr<ListDividerArithmetic> lda = AceType::MakeRefPtr<ListDividerArithmetic>();
31 dividerList_ = AceType::MakeRefPtr<AnimatableArithmeticProperty>(
32 AceType::DynamicCast<CustomAnimatableArithmetic>(lda));
33
34 AttachProperty(color_);
35 AttachProperty(clipOffset_);
36 AttachProperty(clipSize_);
37 AttachProperty(clip_);
38 AttachProperty(dividerList_);
39 }
40
onDraw(DrawingContext & context)41 void ListContentModifier::onDraw(DrawingContext& context)
42 {
43 if (clip_->Get()) {
44 auto offset = clipOffset_->Get();
45 auto size = clipSize_->Get();
46 auto clipRect = RSRect(offset.GetX(), offset.GetY(),
47 offset.GetX() + size.Width(), offset.GetY() + size.Height());
48 context.canvas.ClipRect(clipRect, RSClipOp::INTERSECT);
49 }
50
51 CHECK_NULL_VOID(dividerList_);
52 auto dividerlist = dividerList_->Get();
53 CHECK_NULL_VOID(dividerlist);
54 auto lda = AceType::DynamicCast<ListDividerArithmetic>(dividerlist);
55 CHECK_NULL_VOID(lda);
56 auto dividerMap = lda->GetDividerMap();
57 if (!dividerMap.empty()) {
58 DividerPainter dividerPainter(
59 width_, 0, isVertical_, color_->Get().ToColor(), LineCap::SQUARE);
60 for (auto child : dividerMap) {
61 if (child.second.length > 0) {
62 dividerPainter.SetDividerLength(child.second.length);
63 dividerPainter.DrawLine(context.canvas, child.second.offset);
64 }
65 }
66 }
67 }
68 } // namespace OHOS::Ace::NG
69