Bug 1923651 - implement "move group to new window" in tabgroup edit m…

…enu. r=dao,tabbrowser-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D226325

UltraBlame original commit: bcfcf33d929969655a57da5176bc247c4c9ba982

browser/components/tabbrowser/content/tabbrowser.js

@@ -16162,6 +16162,9 @@ addTabGroup
 (
 tabs
 {
+id
+=
+null
 color
 =
 null
@@ -16218,7 +16221,12 @@ tabGroupMenu
 nextUnusedColor
 ;
 }
-let
+if
+(
+!
+id
+)
+{
 id
 =
 {
@@ -16244,6 +16252,7 @@ random
 )
 }
 ;
+}
 let
 group
 =
@@ -30317,6 +30326,287 @@ return
 win
 ;
 }
+/
+*
+*
+*
+Moves
+group
+to
+a
+new
+window
+.
+*
+*
+param
+{
+MozTabbrowserTabGroup
+}
+group
+*
+The
+tab
+group
+to
+move
+.
+*
+/
+replaceGroupWithWindow
+(
+group
+)
+{
+/
+/
+The
+first
+tab
+added
+to
+the
+new
+window
+will
+be
+selected
+.
+/
+/
+If
+a
+tab
+in
+the
+group
+is
+selected
+adopt
+it
+first
+.
+let
+selectedIndex
+=
+group
+.
+tabs
+.
+indexOf
+(
+gBrowser
+.
+selectedTab
+)
+;
+if
+(
+selectedIndex
+<
+0
+)
+{
+/
+/
+Otherwise
+we
+'
+ll
+first
+adopt
+the
+first
+tab
+in
+the
+group
+selectedIndex
+=
+0
+;
+}
+let
+firstTab
+=
+group
+.
+tabs
+[
+selectedIndex
+]
+;
+let
+newWindow
+=
+this
+.
+replaceTabWithWindow
+(
+firstTab
+)
+;
+newWindow
+.
+addEventListener
+(
+"
+before
+-
+initial
+-
+tab
+-
+adopted
+"
+(
+)
+=
+>
+{
+let
+tabsToGroup
+=
+group
+.
+tabs
+.
+map
+(
+(
+tab
+i
+)
+=
+>
+{
+/
+/
+addtabGroup
+will
+handle
+adopting
+the
+other
+tabs
+but
+we
+already
+/
+/
+started
+adopting
+the
+tab
+at
+selectedIndex
+so
+we
+need
+to
+swap
+/
+/
+the
+old
+tab
+out
+for
+the
+new
+one
+.
+if
+(
+i
+=
+=
+selectedIndex
+)
+{
+return
+newWindow
+.
+gBrowser
+.
+visibleTabs
+[
+0
+]
+;
+}
+return
+tab
+;
+}
+)
+;
+/
+/
+The
+initial
+tab
+isn
+'
+t
+fully
+adopted
+yet
+but
+the
+tab
+object
+has
+been
+/
+/
+instantiated
+so
+we
+can
+make
+a
+group
+now
+.
+newWindow
+.
+gBrowser
+.
+addTabGroup
+(
+tabsToGroup
+{
+color
+:
+group
+.
+color
+label
+:
+group
+.
+label
+id
+:
+group
+.
+id
+}
+)
+;
+}
+{
+once
+:
+true
+}
+)
+;
+return
+newWindow
+;
+}
 _updateTabsAfterInsert
 (
 )