tabs: make sure to close tab content

Rework how tabs are closed. Change the aerc.RemoveTab and
aerc.ReplaceTab functions to accept a new boolean argument. If true,
make sure to close the tab content.

Signed-off-by: Robin Jarry <robin@jarry.cc>

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/ui/interfaces.go b/lib/ui/interfaces.go
index 757f81c9..a28c6c29 100644
--- a/lib/ui/interfaces.go
+++ b/lib/ui/interfaces.go
@@ -16,6 +16,10 @@ type Drawable interface {
 	Invalidate()
 }
 
+type Closeable interface {
+	Close()
+}
+
 type RootDrawable interface {
 	Initialize(ui *UI)
 }