orca/mobile/src/session/MobileSessionHeader.tsx

import { View, Text, ScrollView, Pressable } from 'react-native'
import { SafeAreaView } from 'react-native-safe-area-context'
import {
  ChevronLeft,
  Folder,
  File,
  FileText,
  GitBranch,
  Globe,
  MoreHorizontal,
  Plus
} from 'lucide-react-native'
import { MobileSessionHeaderIconButton } from './MobileSessionHeaderIconButton'
import { triggerMediumImpact } from '../platform/haptics'
import { StatusDot } from '../components/StatusDot'
import { MobileAgentIcon } from '../components/MobileAgentIcon'
import {
  getMobileSessionTabTitle,
  resolveMobileTerminalTabAgentId
} from './mobile-terminal-tab-agent'
import { colors } from '../theme/mobile-theme'
import { QuickCommandsTabButton } from './QuickCommandsTabButton'
import { styles } from './mobile-session-styles'
import type { MobileSessionController } from './use-mobile-session-controller'

export function MobileSessionHeader({ controller }: { controller: MobileSessionController }) {
  const {
    hostId,
    isFolderWorkspaceRoute,
    isFloatingWorkspaceRoute,
    connState,
    forceReconnectHost,
    worktreeName,
    activePanel,
    activeSessionTabId,
    activeSessionTabIdRef,
    tabStripRef,
    tabStripOffsetRef,
    tabStripViewportWidthRef,
    tabStripContentWidthRef,
    tabLayoutsRef,
    creating,
    creatingBrowser,
    creatingMarkdown,
    setCreateError,
    setShowCreateTabDrawer,
    setShowQuickCommands,
    setShowHeaderMoreActions,
    quickCommandsSupported,
    showToast,
    requestLeaveSession,
    scrollActiveTabIntoView,
    switchSessionTab,
    openSessionTabActionSheetAfterKeyboardDismiss,
    visibleTabs,
    showConnectionRetry,
    terminalSummary,
    handlePanelTap,
    showHeaderMoreButton
  } = controller
  return (
    <SafeAreaView style={styles.sessionChrome} edges={['top']}>
      <View style={styles.sessionTopBar}>
        <Pressable
          style={({ pressed }) => [styles.backButton, pressed && styles.backButtonPressed]}
          onPress={requestLeaveSession}
          hitSlop={8}
          accessibilityLabel="Back to worktrees"
        >
          <ChevronLeft size={22} color={colors.textSecondary} strokeWidth={2.2} />
        </Pressable>

        <View style={styles.sessionTitleBlock}>
          <Text style={styles.sessionTitle} numberOfLines={1}>
            {worktreeName || 'Terminal'}
          </Text>
          <Pressable
            style={styles.sessionMetaRow}
            disabled={!showConnectionRetry}
            onPress={() => {
              if (hostId) {
                void forceReconnectHost(hostId)
              }
            }}
            accessibilityRole={showConnectionRetry ? 'button' : undefined}
            accessibilityLabel={showConnectionRetry ? 'Reconnect to desktop' : undefined}
          >
            <StatusDot state={connState} />
            <Text style={styles.sessionMetaText} numberOfLines={1}>
              {terminalSummary}
            </Text>
          </Pressable>
        </View>
        {!isFloatingWorkspaceRoute && (
          <MobileSessionHeaderIconButton
            active={activePanel === 'files'}
            accessibilityLabel="Open file explorer"
            icon={Folder}
            onPress={() => handlePanelTap('files')}
          />
        )}
        {!isFolderWorkspaceRoute && !isFloatingWorkspaceRoute && (
          <MobileSessionHeaderIconButton
            active={activePanel === 'sourceControl'}
            accessibilityLabel="Open source control"
            icon={GitBranch}
            onPress={() => handlePanelTap('sourceControl')}
          />
        )}
        {showHeaderMoreButton ? (
          <MobileSessionHeaderIconButton
            active={activePanel === 'pr'}
            accessibilityLabel="More session actions"
            icon={MoreHorizontal}
            onPress={() => setShowHeaderMoreActions(true)}
          />
        ) : null}
      </View>

      {visibleTabs.length > 0 && (
        <View style={styles.tabBar}>
          {/* Why: tab taps must register on first press with the keyboard open instead of being eaten by dismissal (#5106). */}
          <ScrollView
            ref={tabStripRef}
            horizontal
            showsHorizontalScrollIndicator={false}
            style={styles.tabScroll}
            contentContainerStyle={styles.tabContent}
            keyboardShouldPersistTaps="handled"
            scrollEventThrottle={16}
            onScroll={(e) => {
              tabStripOffsetRef.current = e.nativeEvent.contentOffset.x
            }}
            onLayout={(e) => {
              tabStripViewportWidthRef.current = e.nativeEvent.layout.width
              scrollActiveTabIntoView(activeSessionTabIdRef.current, false)
            }}
            onContentSizeChange={(width) => {
              tabStripContentWidthRef.current = width
              scrollActiveTabIntoView(activeSessionTabIdRef.current, false)
            }}
          >
            {visibleTabs.map((t) => (
              <Pressable
                key={t.id}
                style={[styles.tab, t.id === activeSessionTabId && styles.tabActive]}
                onLayout={(e) => {
                  const { x, width } = e.nativeEvent.layout
                  tabLayoutsRef.current.set(t.id, { x, width })
                  if (t.id === activeSessionTabIdRef.current) {
                    scrollActiveTabIntoView(t.id, false)
                  }
                }}
                onPress={() => switchSessionTab(t)}
                onLongPress={() => {
                  triggerMediumImpact()
                  openSessionTabActionSheetAfterKeyboardDismiss(t)
                }}
                delayLongPress={400}
              >
                <View style={styles.tabLabelRow}>
                  {t.type === 'browser' && (
                    <Globe size={13} color={colors.textSecondary} strokeWidth={2.1} />
                  )}
                  {t.type === 'markdown' && (
                    <FileText size={13} color={colors.textSecondary} strokeWidth={2.1} />
                  )}
                  {t.type === 'file' && (
                    <File size={13} color={colors.textSecondary} strokeWidth={2.1} />
                  )}
                  {t.type === 'terminal' &&
                    (() => {
                      const agentId = resolveMobileTerminalTabAgentId(t)
                      return agentId ? <MobileAgentIcon agentId={agentId} size={13} /> : null
                    })()}
                  <Text
                    style={[styles.tabText, t.id === activeSessionTabId && styles.tabTextActive]}
                    numberOfLines={1}
                  >
                    {getMobileSessionTabTitle(t)}
                  </Text>
                </View>
              </Pressable>
            ))}
          </ScrollView>
          {/* Why: pinned outside the scroll strip so the new-agent button stays reachable however far the tabs scroll. */}
          <Pressable
            style={({ pressed }) => [
              styles.newTerminalButton,
              pressed && styles.newTerminalButtonPressed,
              (creating || creatingBrowser || creatingMarkdown || connState !== 'connected') &&
                styles.newTerminalButtonDisabled
            ]}
            disabled={creating || creatingBrowser || creatingMarkdown || connState !== 'connected'}
            onPress={() => {
              setCreateError('')
              setShowCreateTabDrawer(true)
            }}
            accessibilityLabel="New tab"
          >
            <Plus size={16} color={colors.textSecondary} strokeWidth={2.2} />
          </Pressable>
          {/* Why: stable placement matters, while old hosts must stay gated because they strip agentPrompt. */}
          <QuickCommandsTabButton
            disabled={creating || creatingBrowser || creatingMarkdown || connState !== 'connected'}
            onPress={() => {
              if (quickCommandsSupported === true) {
                setShowQuickCommands(true)
                return
              }
              showToast(
                quickCommandsSupported === false
                  ? 'Desktop update required for quick commands'
                  : 'Checking desktop capabilities — try again in a moment',
                1600
              )
            }}
          />
        </View>
      )}
    </SafeAreaView>
  )
}