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1/*
2 * Copyright (C) 2024 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17import {UiRect} from 'viewers/components/rects/types2d';
18import {RectShowState} from './rect_show_state';
19
20export class RectFilter {
21  private forcedStates = new Map<string, RectShowState>();
22
23  filterRects(
24    rects: UiRect[],
25    isOnlyVisibleMode: boolean,
26    isIgnoreNonHiddenMode: boolean,
27  ): UiRect[] {
28    if (!(isOnlyVisibleMode || !isIgnoreNonHiddenMode)) {
29      return rects;
30    }
31    return rects.filter((rect) => {
32      const satisfiesOnlyVisible = rect.isDisplay || rect.isVisible;
33      const forceHidden = this.forcedStates.get(rect.id) === RectShowState.HIDE;
34      const forceShow = this.forcedStates.get(rect.id) === RectShowState.SHOW;
35
36      if (isOnlyVisibleMode && !isIgnoreNonHiddenMode) {
37        return forceShow || (satisfiesOnlyVisible && !forceHidden);
38      }
39      if (isOnlyVisibleMode) {
40        return satisfiesOnlyVisible;
41      }
42      return !forceHidden;
43    });
44  }
45
46  getRectIdToShowState(
47    allRects: UiRect[],
48    shownRects: UiRect[],
49  ): Map<string, RectShowState> {
50    const rectIdToShowState = new Map<string, RectShowState>();
51    allRects.forEach((rect) => {
52      const forcedState = this.forcedStates.get(rect.id);
53      if (forcedState !== undefined) {
54        rectIdToShowState.set(rect.id, forcedState);
55        return;
56      }
57      const isShown = shownRects.some((other) => other.id === rect.id);
58      const showState = isShown ? RectShowState.SHOW : RectShowState.HIDE;
59      rectIdToShowState.set(rect.id, showState);
60    });
61    return rectIdToShowState;
62  }
63
64  updateRectShowState(id: string, newShowState: RectShowState) {
65    this.forcedStates.set(id, newShowState);
66  }
67}
68