immich/mobile/lib/presentation/widgets/asset_viewer/bottom_bar.widget.dart

import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/constants/enums.dart';
import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
import 'package:immich_mobile/extensions/build_context_extensions.dart';
import 'package:immich_mobile/presentation/widgets/action_buttons/archive_action_button.widget.dart';
import 'package:immich_mobile/presentation/widgets/action_buttons/share_action_button.widget.dart';
import 'package:immich_mobile/presentation/widgets/asset_viewer/asset_viewer.state.dart';
import 'package:immich_mobile/providers/infrastructure/asset_viewer/current_asset.provider.dart';
import 'package:immich_mobile/providers/user.provider.dart';
import 'package:immich_mobile/widgets/asset_viewer/video_controls.dart';

class ViewerBottomBar extends ConsumerWidget {
  const ViewerBottomBar({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final asset = ref.watch(currentAssetNotifier);
    if (asset == null) {
      return const SizedBox.shrink();
    }

    final user = ref.watch(currentUserProvider);
    final isOwner = asset is RemoteAsset && asset.ownerId == user?.id;
    final isSheetOpen = ref.watch(
      assetViewerProvider.select((s) => s.showingBottomSheet),
    );
    int opacity = ref.watch(
      assetViewerProvider.select((state) => state.backgroundOpacity),
    );
    final showControls =
        ref.watch(assetViewerProvider.select((s) => s.showingControls));

    if (!showControls) {
      opacity = 0;
    }

    final actions = <Widget>[
      const ShareActionButton(source: ActionSource.viewer),
      if (asset.hasRemote && isOwner)
        const ArchiveActionButton(source: ActionSource.viewer),
    ];

    return IgnorePointer(
      ignoring: opacity < 255,
      child: AnimatedOpacity(
        opacity: opacity / 255,
        duration: Durations.short2,
        child: AnimatedSwitcher(
          duration: Durations.short4,
          child: isSheetOpen
              ? const SizedBox.shrink()
              : Theme(
                  data: context.themeData.copyWith(
                    iconTheme:
                        const IconThemeData(size: 22, color: Colors.white),
                    textTheme: context.themeData.textTheme.copyWith(
                      labelLarge:
                          context.themeData.textTheme.labelLarge?.copyWith(
                        color: Colors.white,
                      ),
                    ),
                  ),
                  child: Container(
                    height: context.padding.bottom + (asset.isVideo ? 160 : 80),
                    color: Colors.black.withAlpha(125),
                    padding: EdgeInsets.only(bottom: context.padding.bottom),
                    child: Column(
                      mainAxisAlignment: MainAxisAlignment.end,
                      children: [
                        if (asset.isVideo) const VideoControls(),
                        Row(
                          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                          children: actions,
                        ),
                      ],
                    ),
                  ),
                ),
        ),
      ),
    );
  }
}