Merge changes I37c8daa6,I5a05b65d,If56347fd
* changes:
Preload2: Add isSingleThreaded
Preload2: Fix action inheritance
Preload2: Abstract out UI
diff --git a/core/java/com/android/internal/util/StateMachine.java b/core/java/com/android/internal/util/StateMachine.java
index b0d45e1d1..be10608df 100644
--- a/core/java/com/android/internal/util/StateMachine.java
+++ b/core/java/com/android/internal/util/StateMachine.java
@@ -1190,6 +1190,26 @@
}
/**
+ * Remove a state from the state machine. Will not remove the state if it is currently
+ * active or if it has any children in the hierarchy.
+ * @param state the state to remove
+ */
+ private void removeState(State state) {
+ StateInfo stateInfo = mStateInfo.get(state);
+ if (stateInfo == null || stateInfo.active) {
+ return;
+ }
+ boolean isParent = mStateInfo.values().stream()
+ .filter(si -> si.parentStateInfo == stateInfo)
+ .findAny()
+ .isPresent();
+ if (isParent) {
+ return;
+ }
+ mStateInfo.remove(state);
+ }
+
+ /**
* Constructor
*
* @param looper for dispatching messages
@@ -1337,6 +1357,14 @@
}
/**
+ * Removes a state from the state machine, unless it is currently active or if it has children.
+ * @param state state to remove
+ */
+ public final void removeState(State state) {
+ mSmHandler.removeState(state);
+ }
+
+ /**
* Set the initial state. This must be invoked before
* and messages are sent to the state machine.
*