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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/// <reference path='./import.ts' />
17
18class ClipContentModifier extends ModifierWithKey<ContentClipMode | RectShape> {
19    constructor(value: ContentClipMode | RectShape) {
20        super(value);
21    }
22    static identity: Symbol = Symbol('clipContent');
23    applyPeer(node: KNode, reset: boolean): void {
24        if (reset) {
25            getUINativeModule().scrollable.resetContentClip(node);
26        } else {
27            getUINativeModule().scrollable.setContentClip(node, this.value);
28        }
29    }
30}
31
32class OnReachStartModifier extends ModifierWithKey<() => void> {
33    constructor(value: () => void) {
34        super(value);
35    }
36    static identity: Symbol = Symbol('onReachStart');
37    applyPeer(node: KNode, reset: boolean): void {
38        if (reset) {
39            getUINativeModule().scrollable.resetOnReachStart(node);
40        } else {
41            getUINativeModule().scrollable.setOnReachStart(node, this.value);
42        }
43    }
44}
45
46class OnReachEndModifier extends ModifierWithKey<() => void> {
47    constructor(value: () => void) {
48        super(value);
49    }
50    static identity: Symbol = Symbol('onReachEnd');
51    applyPeer(node: KNode, reset: boolean): void {
52        if (reset) {
53            getUINativeModule().scrollable.resetOnReachEnd(node);
54        } else {
55            getUINativeModule().scrollable.setOnReachEnd(node, this.value);
56        }
57    }
58}
59
60/**
61 * base class of Grid, Scroll, List, and WaterFlow.
62 */
63export class ArkScrollable<T> extends ArkComponent implements ScrollableCommonMethod<T> {
64    constructor(nativePtr: KNode, classType?: ModifierType) {
65      super(nativePtr, classType);
66    }
67    clipContent(clip: ContentClipMode | RectShape): T {
68        modifierWithKey(this._modifiersWithKeys, ClipContentModifier.identity, ClipContentModifier, clip);
69        return this;
70    }
71    onReachStart(event: () => void): this {
72        modifierWithKey(this._modifiersWithKeys, OnReachStartModifier.identity, OnReachStartModifier, event);
73        return this;
74    }
75
76    onReachEnd(event: () => void): this {
77        modifierWithKey(this._modifiersWithKeys, OnReachEndModifier.identity, OnReachEndModifier, event);
78        return this;
79    }
80}