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-rw-r--r--ui.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/ui.h b/ui.h
index 6150bfd50..3ca99a614 100644
--- a/ui.h
+++ b/ui.h
@@ -64,6 +64,13 @@ class RecoveryUI {
// Erase any queued-up keys.
virtual void FlushKeys() = 0;
+ // Called on each keypress, even while operations are in progress.
+ // Return value indicates whether an immediate operation should be
+ // triggered (toggling the display, rebooting the device), or if
+ // the key should be enqueued for use by the main thread.
+ enum KeyAction { ENQUEUE, TOGGLE, REBOOT };
+ virtual KeyAction CheckKey(int key) = 0;
+
// --- menu display ---
// Display some header text followed by a menu of items, which appears