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Merge "Refine getIndex and getType of InsetsSource" into udc-dev

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This commit is contained in:
Tiger Huang
2023-05-11 01:27:18 +00:00
committed by Android (Google) Code Review
parent 2a0629ed56 f12b45f335
commit f34371cb12
1 changed files with 9 additions and 2 deletions
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11
core/java/android/view/InsetsSource.java
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@@ -293,16 +293,23 @@ public class InsetsSource implements Parcelable {
* @see #createId(Object, int, int) * @see #createId(Object, int, int)
*/ */
public static int getIndex(int id) { public static int getIndex(int id) {
return (id % (1 << 16)) >> 5; // start: ????????????????***********?????
// & 65535: 0000000000000000***********?????
// >> 5: 000000000000000000000***********
return (id & 65535) >> 5;
} }
/** /**
* Gets the {@link InsetsType} from the ID. * Gets the {@link InsetsType} from the ID.
* *
* @see #createId(Object, int, int) * @see #createId(Object, int, int)
* @see WindowInsets.Type#indexOf(int)
*/ */
public static int getType(int id) { public static int getType(int id) {
return 1 << (id % 32); // start: ???????????????????????????*****
// & 31: 000000000000000000000000000*****
// 1 <<: See WindowInsets.Type#indexOf
return 1 << (id & 31);
} }
public static String flagsToString(@Flags int flags) { public static String flagsToString(@Flags int flags) {