sequence diagram of android webview link text selection

gistfile1.txt

@startuml
autonumber
actor       User       as user
participant Activity as a
participant WebView as w
w -> w: onPageFinished()\naddSelectionChangeListener()
note over w
Javascript on selectionchange listener:
2. find and return the position of (start and)
    end position of the selection range
3. updateSelectionRect() to Activity
  The Rect is used to place context menu
  according to selection range.
end note
user -> a : long click on link
a --> user : show actionMode menu
user -> a : trigger text selection
activate w
a -> w : selectLinkText()
w -> w : JS: select text of current node
w -> a : simulateLongClick()
a --> user: show text selection context menu
w -> w : add back href attribute
deactivate w
@enduml