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Commit 79e44192 authored by Phil Weaver's avatar Phil Weaver
Browse files

Use infinities for one-sided ranges for a11y. 

This was a request from Chrome to be able to specify
one-sided ranges. Rather than add new behavior, I'm just
documenting what seems to me a reasonable convention.

Bug: 30025621
Test: No tests as this just adds comments.
Change-Id: I1467f57729eed08a981c3e6d50951e78c3564a50
parent 05aa9e6f

core/java/android/view/accessibility/AccessibilityNodeInfo.java

+12 −8
Original line number Diff line number Diff line
@@ -3998,8 +3998,10 @@ public class AccessibilityNodeInfo implements Parcelable { 
         * Obtains a pooled instance.

         *

         * @param type The type of the range.

         * @param min The min value.

         * @param max The max value.

         * @param min The minimum value. Use {@code Float.NEGATIVE_INFINITY} if the range has no

         *            minimum.

         * @param max The maximum value. Use {@code Float.POSITIVE_INFINITY} if the range has no

         *            maximum.

         * @param current The current value.

         */

        public static RangeInfo obtain(int type, float min, float max, float current) {
@@ -4019,8 +4021,10 @@ public class AccessibilityNodeInfo implements Parcelable { 
         * Creates a new range.

         *

         * @param type The type of the range.

         * @param min The min value.

         * @param max The max value.

         * @param min The minimum value. Use {@code Float.NEGATIVE_INFINITY} if the range has no

         *            minimum.

         * @param max The maximum value. Use {@code Float.POSITIVE_INFINITY} if the range has no

         *            maximum.

         * @param current The current value.

         */

        private RangeInfo(int type, float min, float max, float current) {
@@ -4044,18 +4048,18 @@ public class AccessibilityNodeInfo implements Parcelable { 
        }



        /**

         * Gets the min value.

         * Gets the minimum value.

         *

         * @return The min value.

         * @return The minimum value, or {@code Float.NEGATIVE_INFINITY} if no minimum exists.

         */

        public float getMin() {

            return mMin;

        }



        /**

         * Gets the max value.

         * Gets the maximum value.

         *

         * @return The max value.

         * @return The maximum value, or {@code Float.POSITIVE_INFINITY} if no maximum exists.

         */

        public float getMax() {

            return mMax;