On Thu, 14 Nov 2024 22:53:06 GMT, Kevin Rushforth <k...@openjdk.org> wrote:
>> This PR removes all remaining uses of `AccessController` and
>> `AccessControlContext`, which represent the last remaining uses of the
>> terminally deprecated security APIs except for those in the `/ios/` or
>> `/android/` directories.
>>
>> With the removal of doPrivileged and the `if (System.getSecurityManager() !=
>> null)` code paths, the ACC is no longer used, so can be completely
>> eliminated. Along with this, I removed all unused imports of
>> security-related APIs and all related `@SuppressWarnings("removal")
>> annotations.
>>
>> ### Notes to reviewers
>>
>> * Most of the changes were straight-forward removals of methods and fields
>> to save, retrieve and pass around the `AccessControlContext`.
>> * The Toolkit class stores a collection of listeners in a `WeakHashMap` with
>> the listener as the key (thus weakly held) and the ACC as the value. We no
>> longer need or want the ACC, but I kept the use of `WeakHashMap` and changed
>> the value type to `Object`, storing a singleton dummy object as the value
>> for each entry. This minimizes the changes, while preserving the behavior of
>> reclaiming the entries when they are garbage collected.
>
> Kevin Rushforth has updated the pull request incrementally with one
> additional commit since the last revision:
>
> additional comments
modules/javafx.graphics/src/main/java/com/sun/javafx/tk/Toolkit.java line 375:
> 373: // than a HashSet of WeakReferences so that the entries are
> automatically
> 374: // removed after the listener is garbage collected.
> 375: private final Map<TKPulseListener,Object> stagePulseListeners = new
> WeakHashMap<>();
I recommend using a set instead of a map, which is a bit less confusing:
private final Set<TKPulseListener> stagePulseListeners =
Collections.newSetFromMap(new WeakHashMap<>())
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PR Review Comment: https://git.openjdk.org/jfx/pull/1638#discussion_r1842999538
