feat(player): Add keybinds to jump backward/forward 5 seconds

internal/movie/keymap.go

@@ -52,6 +52,14 @@ func newKeymap() keymap {
 			key.WithKeys("0", "1", "2", "3", "4", "5", "6", "7", "8", "9"),
 			key.WithHelp("0-9", "jump to position"),
 		),
+		jumpPrev: key.NewBinding(
+			key.WithKeys("shift+left", "H", "A"),
+			key.WithHelp("shift+left", "jump backward"),
+		),
+		jumpNext: key.NewBinding(
+			key.WithKeys("shift+right", "L", "D"),
+			key.WithHelp("shift+right", "jump forward"),
+		),
 		help: key.NewBinding(
 			key.WithKeys("?"),
 			key.WithHelp("?", "help"),
@@ -70,6 +78,8 @@ type keymap struct {
 	chooseFull key.Binding
 	jumps      []key.Binding
 	jump       key.Binding
+	jumpPrev   key.Binding
+	jumpNext   key.Binding
 	help       key.Binding
 }
 
@@ -93,6 +103,8 @@ func (k keymap) FullHelp() [][]key.Binding {
 		},
 		{
 			k.jump,
+			k.jumpPrev,
+			k.jumpNext,
 			k.help,
 			k.quit,
 		},

internal/movie/player.go

@@ -138,6 +138,24 @@ func (p Player) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		case key.Matches(msg, p.keymap.help):
 			p.help.ShowAll = !p.help.ShowAll
 			p.helpViewStale = true
+		case key.Matches(msg, p.keymap.jumpPrev):
+			var d time.Duration
+			for d < 5*time.Second && p.frame > 0 {
+				p.frame--
+				d += p.movie.Frames[p.frame].Duration
+			}
+			if p.isPlaying() {
+				return p, p.play()
+			}
+		case key.Matches(msg, p.keymap.jumpNext):
+			var d time.Duration
+			for d < 5*time.Second && p.frame < len(p.movie.Frames)-1 {
+				p.frame++
+				d += p.movie.Frames[p.frame].Duration
+			}
+			if p.isPlaying() {
+				return p, p.play()
+			}
 		case key.Matches(msg, p.keymap.jumps...):
 			for i, binding := range p.keymap.jumps {
 				if key.Matches(msg, binding) {