1424 lines
44 KiB
Dart
1424 lines
44 KiB
Dart
// Author: fruit.com.cn
|
||
|
||
import 'dart:async';
|
||
|
||
import 'package:flutter/foundation.dart';
|
||
import 'package:flutter/material.dart';
|
||
import 'package:video_player/video_player.dart';
|
||
import 'package:flutter/scheduler.dart';
|
||
import 'package:provider/provider.dart';
|
||
|
||
import '../../core/data/models/drama.dart';
|
||
import '../../core/data/models/play_ticket.dart';
|
||
import '../../core/data/models/watch_progress.dart';
|
||
import '../../core/data/models/player_port.dart';
|
||
import '../../core/data/remote/api_client.dart';
|
||
import '../../core/data/repositories/playback_repository.dart';
|
||
import '../../core/data/repositories/watch_history_repository.dart';
|
||
import '../../core/data/services/android_picture_in_picture.dart';
|
||
import '../../core/data/services/catalog_controller.dart';
|
||
import '../../core/data/services/download_controller.dart';
|
||
import '../../core/data/services/platform_share_service.dart';
|
||
import '../../core/data/services/playback_position_cache.dart';
|
||
import '../../core/data/services/playback_queue.dart';
|
||
import '../../core/data/services/playback_session.dart';
|
||
import '../../core/data/services/video_player_port.dart';
|
||
import '../../core/data/services/wallet_controller.dart';
|
||
import '../../core/formatting/localized_content.dart';
|
||
import '../../core/theme/app_colors.dart';
|
||
import '../../core/navigation/fade_page_route.dart';
|
||
import '../../l10n/app_localizations.dart';
|
||
import '../discover/search_page.dart';
|
||
import '../drama_detail/drama_detail_view.dart';
|
||
import '../mine/mine_types.dart';
|
||
import '../mine/mine_view.dart';
|
||
import 'player_view.dart';
|
||
import 'widgets/drama_comments_sheet.dart';
|
||
import 'widgets/episode_picker_sheet.dart';
|
||
|
||
typedef _PlaybackSnapshot = ({
|
||
Duration position,
|
||
Duration duration,
|
||
bool completed,
|
||
});
|
||
|
||
class PlayerLogic extends ChangeNotifier {
|
||
PlayerLogic({
|
||
required this.history,
|
||
required this.playback,
|
||
required this.pictureInPicture,
|
||
this.wallet,
|
||
this.downloads,
|
||
PlaybackPositionCache? positionCache,
|
||
Future<void> Function()? waitForFrame,
|
||
}) : positionCache = positionCache ?? PlaybackPositionCache(),
|
||
_waitForFrame =
|
||
waitForFrame ?? (() => WidgetsBinding.instance.endOfFrame);
|
||
|
||
final WatchHistoryRepository history;
|
||
final PlaybackRepository playback;
|
||
final AndroidPictureInPicture pictureInPicture;
|
||
final WalletController? wallet;
|
||
final DownloadController? downloads;
|
||
final PlaybackPositionCache positionCache;
|
||
final Future<void> Function() _waitForFrame;
|
||
|
||
late PageController pages;
|
||
late PlaybackQueue queue;
|
||
late List<int> visibleIndices;
|
||
late PlaybackSession session;
|
||
VideoPlayerPort? trackedPlayer;
|
||
Episode? trackedEpisode;
|
||
Drama? trackedDrama;
|
||
int? _trackedPlayerIndex;
|
||
bool _completionHandled = false;
|
||
bool _completionProgressSaved = false;
|
||
DateTime lastProgressWrite = DateTime.fromMillisecondsSinceEpoch(0);
|
||
|
||
/// 进度上报节流：契约建议每 10 秒一次
|
||
Duration progressInterval = const Duration(seconds: 10);
|
||
Future<void> pendingWrite = Future<void>.value();
|
||
|
||
/// 服务端续看点：进入播放页时定位到"那一集的哪一秒"
|
||
ResumePoint? resumePoint;
|
||
bool resumeLoaded = false;
|
||
|
||
/// 票据三态：加载中 / 失败（可重试）/ 被后端判定为不可播放
|
||
bool ticketLoading = false;
|
||
String? ticketError;
|
||
PlayTicket? blockedTicket;
|
||
String? blockedEpisodeId;
|
||
List<Episode> sessionEpisodes = const [];
|
||
List<String> qualities = const [];
|
||
List<PlayQualityTrack> qualityTracks = const [];
|
||
String selectedQuality = 'AUTO';
|
||
Duration? _qualitySeek;
|
||
int pageRequest = 0;
|
||
int? _pendingSelectionIndex;
|
||
int? _pendingSelectionRevision;
|
||
Future<void>? _selectionDrain;
|
||
bool muted = false;
|
||
double playbackSpeed = 1.0;
|
||
bool stoppedAtFeedEnd = false;
|
||
VideoPlayerPort? scrubbingPlayer;
|
||
bool pip = false;
|
||
bool pipPreparing = false;
|
||
final Map<String, int> pickedEpisode = {};
|
||
final Set<String> _unlockedEpisodeIds = {};
|
||
|
||
/// 解锁中的集 id 与失败文案；空表示没有进行中的解锁。
|
||
String? unlockingEpisodeId;
|
||
String? unlockError;
|
||
|
||
bool Function() isMounted = () => false;
|
||
bool homeMode = false;
|
||
bool embedded = false;
|
||
bool active = true;
|
||
int resumeRequest = 0;
|
||
int backRequest = 0;
|
||
int initialIndex = 0;
|
||
late Drama pageDrama;
|
||
List<Drama>? feedDramas;
|
||
VoidCallback? onDiscover;
|
||
VoidCallback? onMy;
|
||
VoidCallback? onSearch;
|
||
VoidCallback? onMenu;
|
||
ValueChanged<Drama>? onDramaChanged;
|
||
ValueChanged<bool>? onImmersiveChanged;
|
||
bool _disposed = false;
|
||
PlayerFactory? _sessionFactory;
|
||
PlaybackCoordinator? _sessionCoordinator;
|
||
int feedRevision = 0;
|
||
List<Drama> _latestFeed = const [];
|
||
String? _latestKeepDramaId;
|
||
bool _latestResetToFirst = false;
|
||
bool _feedUpdateRunning = false;
|
||
bool _hasPendingFeed = false;
|
||
bool _deferredFeedNotifyScheduled = false;
|
||
int _feedJumpSerial = 0;
|
||
Future<void> _feedUpdateFuture = Future<void>.value();
|
||
Future<void>? _pendingSeek;
|
||
|
||
/// [start] 是否已经跑过：没跑过时 session/pages 还是 late 未初始化，
|
||
/// dispose 不能直接碰它们（例如页面构建失败或纯逻辑测试）。
|
||
bool _started = false;
|
||
|
||
bool get immersive => pip || pipPreparing;
|
||
|
||
bool get chromeHidden => immersive;
|
||
|
||
/// 最近一次 feed 更新流程完成；测试和页面退出可等待它结束。
|
||
Future<void> get feedUpdateSettled => _feedUpdateFuture;
|
||
|
||
/// 当前 PageView 对应用户正在观看的短剧 id，尚未起播时为 null。
|
||
String? get currentDramaId {
|
||
if (!_started || visibleIndices.isEmpty) return null;
|
||
final index = session.currentIndex;
|
||
if (index < 0 || index >= queue.length) return null;
|
||
return queue.entryAt(index).drama.id;
|
||
}
|
||
|
||
Episode displayEpisode(Drama drama, Episode fallback) {
|
||
final number = pickedEpisode[drama.id];
|
||
if (number == null) return fallback;
|
||
if (fallback.number == number) return fallback;
|
||
for (final episode in drama.episodes) {
|
||
if (episode.number == number) return episode;
|
||
}
|
||
return fallback;
|
||
}
|
||
|
||
void notify() {
|
||
if (!_disposed) notifyListeners();
|
||
}
|
||
|
||
void attach(PlayerPage page, {required bool Function() isMounted}) {
|
||
this.isMounted = isMounted;
|
||
homeMode = page.homeMode;
|
||
embedded = page.embedded;
|
||
active = page.active;
|
||
resumeRequest = page.resumeRequest;
|
||
backRequest = page.backRequest;
|
||
initialIndex = page.initialIndex;
|
||
pageDrama = page.drama;
|
||
feedDramas = page.feedDramas;
|
||
onDiscover = page.onDiscover;
|
||
onMy = page.onMy;
|
||
onSearch = page.onSearch;
|
||
onMenu = page.onMenu;
|
||
onDramaChanged = page.onDramaChanged;
|
||
onImmersiveChanged = page.onImmersiveChanged;
|
||
}
|
||
|
||
void start({
|
||
required PlayerFactory factory,
|
||
required PlaybackCoordinator coordinator,
|
||
bool initialUserWantsPlay = true,
|
||
}) {
|
||
_started = true;
|
||
_sessionFactory = factory;
|
||
_sessionCoordinator = coordinator;
|
||
pictureInPicture.setStateListener(onPipChanged);
|
||
queue = feedDramas == null
|
||
? PlaybackQueue.series(pageDrama)
|
||
: PlaybackQueue.home(feedDramas!);
|
||
visibleIndices = List<int>.generate(queue.length, (index) => index);
|
||
pages = PageController(initialPage: initialIndex);
|
||
// 票据解析后要把新地址写回这个列表（PlaybackSession 的 canPlay 读的就是它）
|
||
sessionEpisodes = [for (final entry in queue.entries) entry.episode];
|
||
session = _createSession(factory, coordinator);
|
||
if (!active || visibleIndices.isEmpty) {
|
||
session.setRouteVisible(false);
|
||
}
|
||
unawaited(loadResumePoint());
|
||
unawaited(
|
||
selectEpisode(
|
||
initialIndex,
|
||
userWantsPlay: initialUserWantsPlay ? null : false,
|
||
),
|
||
);
|
||
}
|
||
|
||
/// 独立播放页覆盖首页时只暂停并保存进度，首页 session 与 controller 保持存活。
|
||
Future<void> pauseForFullPlayer() async {
|
||
if (!_started) return;
|
||
_logFeedHandoff('pause');
|
||
cancelScrub();
|
||
await session.pauseForRouteHandoff();
|
||
_logFeedHandoff('paused');
|
||
await saveCurrentProgress();
|
||
}
|
||
|
||
/// 独立播放页关闭并恢复首页路由后，等原生播放器实际恢复再结束交接。
|
||
Future<void> resumeAfterFullPlayer() async {
|
||
if (!_started) return;
|
||
_logFeedHandoff('resume');
|
||
if (visibleIndices.isNotEmpty) {
|
||
await session.resumeForRouteHandoff();
|
||
} else {
|
||
session.setRouteVisible(false);
|
||
await session.playbackSettled;
|
||
}
|
||
_logFeedHandoff('resumed');
|
||
}
|
||
|
||
void _logFeedHandoff(String phase) {
|
||
if (!kDebugMode) return;
|
||
final player = session.active;
|
||
final video = player is VideoPlayerPort ? player : null;
|
||
debugPrint(
|
||
'[feed-session] phase=$phase session=${identityHashCode(session)} '
|
||
'index=${session.currentIndex} episode=${session.currentEpisode.id} '
|
||
'controller=${video == null ? '-' : identityHashCode(video.controller)} '
|
||
'live=${session.livePlayerCount}',
|
||
);
|
||
}
|
||
|
||
/// 串行替换首页 feed 队列；频道变化时重置到第 1 个，刷新时尽量保留当前剧。
|
||
void updateFeed(
|
||
List<Drama> dramas, {
|
||
String? keepDramaId,
|
||
bool resetToFirst = false,
|
||
}) {
|
||
feedRevision++;
|
||
pageRequest++;
|
||
_latestFeed = List<Drama>.unmodifiable(dramas);
|
||
_latestKeepDramaId = keepDramaId;
|
||
_latestResetToFirst = resetToFirst;
|
||
_hasPendingFeed = true;
|
||
if (!_started) {
|
||
feedDramas = _latestFeed;
|
||
return;
|
||
}
|
||
if (!_feedUpdateRunning) {
|
||
_feedUpdateFuture = _drainFeedUpdates();
|
||
unawaited(_feedUpdateFuture);
|
||
}
|
||
}
|
||
|
||
PlaybackSession _createSession(
|
||
PlayerFactory factory,
|
||
PlaybackCoordinator coordinator,
|
||
) {
|
||
return PlaybackSession(
|
||
episodes: sessionEpisodes,
|
||
factory: factory,
|
||
// 地址只由后端下发（票据或详情里的免费集签名地址），拿不到地址即视为锁定
|
||
canPlay: (episode) =>
|
||
episode.videoUrl.isNotEmpty && !isEpisodeLocked(episode),
|
||
prepare: preparePlayer,
|
||
activate: activatePlayer,
|
||
coordinator: coordinator,
|
||
waitForFrame: _waitForFrame,
|
||
owner: homeMode ? PlaybackSessionOwner.home : PlaybackSessionOwner.player,
|
||
dramaIdAt: (index) => index >= 0 && index < queue.length
|
||
? queue.entryAt(index).drama.id
|
||
: null,
|
||
);
|
||
}
|
||
|
||
Future<void> _drainFeedUpdates() async {
|
||
_feedUpdateRunning = true;
|
||
while (true) {
|
||
if (!_hasPendingFeed) {
|
||
_feedUpdateRunning = false;
|
||
return;
|
||
}
|
||
_hasPendingFeed = false;
|
||
final revision = feedRevision;
|
||
final dramas = _latestFeed;
|
||
final keepDramaId = _latestKeepDramaId;
|
||
final resetToFirst = _latestResetToFirst;
|
||
if (revision != feedRevision) continue;
|
||
await _applyFeedUpdate(
|
||
dramas,
|
||
keepDramaId: keepDramaId,
|
||
resetToFirst: resetToFirst,
|
||
revision: revision,
|
||
);
|
||
}
|
||
}
|
||
|
||
Future<void> _applyFeedUpdate(
|
||
List<Drama> dramas, {
|
||
required String? keepDramaId,
|
||
required bool resetToFirst,
|
||
required int revision,
|
||
}) async {
|
||
if (!_started || revision != feedRevision) return;
|
||
final currentId = currentDramaId;
|
||
final nextQueue = PlaybackQueue.home(dramas);
|
||
final nextVisible = List<int>.generate(nextQueue.length, (index) => index);
|
||
final nextEpisodes = [for (final entry in nextQueue.entries) entry.episode];
|
||
feedDramas = dramas;
|
||
queue = nextQueue;
|
||
visibleIndices = nextVisible;
|
||
if (dramas.isNotEmpty) pageDrama = dramas.first;
|
||
if (nextQueue.length == 0) {
|
||
session.setRouteVisible(false);
|
||
_notifyAfterFrameIfNeeded();
|
||
return;
|
||
}
|
||
final keepIndex =
|
||
!resetToFirst && keepDramaId != null && keepDramaId == currentId
|
||
? nextQueue.entries.indexWhere((entry) => entry.drama.id == keepDramaId)
|
||
: -1;
|
||
if (keepIndex >= 0 && session.active != null) {
|
||
sessionEpisodes
|
||
..clear()
|
||
..addAll(nextEpisodes);
|
||
session.remapCurrentIndex(
|
||
keepIndex,
|
||
preloadIndex: nextVisibleIndex(keepIndex),
|
||
previousIndex: previousVisibleIndex(keepIndex),
|
||
);
|
||
_jumpToFeedPage(keepIndex);
|
||
_notifyAfterFrameIfNeeded();
|
||
return;
|
||
}
|
||
await _replaceSession(
|
||
nextEpisodes,
|
||
keepIndex >= 0 ? keepIndex : 0,
|
||
revision: revision,
|
||
);
|
||
}
|
||
|
||
Future<void> _replaceSession(
|
||
List<Episode> nextEpisodes,
|
||
int targetIndex, {
|
||
required int revision,
|
||
}) async {
|
||
if (revision != feedRevision) return;
|
||
final factory = _sessionFactory;
|
||
final coordinator = _sessionCoordinator;
|
||
if (factory == null || coordinator == null) return;
|
||
unawaited(saveCurrentProgress());
|
||
final previous = session;
|
||
sessionEpisodes = List<Episode>.of(nextEpisodes);
|
||
_detachTrackedPlayerListener();
|
||
trackedPlayer = null;
|
||
trackedEpisode = null;
|
||
trackedDrama = null;
|
||
final nextSession = _createSession(factory, coordinator);
|
||
session = nextSession;
|
||
nextSession.setRouteVisible(active && visibleIndices.isNotEmpty);
|
||
_notifyAfterFrameIfNeeded();
|
||
await _waitForFrame();
|
||
if (revision != feedRevision || !identical(session, nextSession)) return;
|
||
await previous.close();
|
||
if (revision != feedRevision || !identical(session, nextSession)) return;
|
||
_jumpToFeedPage(targetIndex);
|
||
await selectEpisode(targetIndex, revision: revision);
|
||
}
|
||
|
||
void _jumpToFeedPage(int index) {
|
||
if (!_started) return;
|
||
final serial = ++_feedJumpSerial;
|
||
if (SchedulerBinding.instance.schedulerPhase == SchedulerPhase.idle &&
|
||
pages.hasClients) {
|
||
pages.jumpToPage(index);
|
||
return;
|
||
}
|
||
WidgetsBinding.instance.addPostFrameCallback((_) {
|
||
if (_disposed || serial != _feedJumpSerial || !_started) return;
|
||
if (pages.hasClients) pages.jumpToPage(index);
|
||
});
|
||
SchedulerBinding.instance.scheduleFrame();
|
||
}
|
||
|
||
void _notifyAfterFrameIfNeeded() {
|
||
if (_disposed) return;
|
||
if (SchedulerBinding.instance.schedulerPhase == SchedulerPhase.idle) {
|
||
notify();
|
||
return;
|
||
}
|
||
if (_deferredFeedNotifyScheduled) return;
|
||
_deferredFeedNotifyScheduled = true;
|
||
WidgetsBinding.instance.addPostFrameCallback((_) {
|
||
_deferredFeedNotifyScheduled = false;
|
||
if (!_disposed) notify();
|
||
});
|
||
SchedulerBinding.instance.scheduleFrame();
|
||
}
|
||
|
||
/// 服务端续看位置：进播放页时取一次，用于"定位到上次那一集的那一秒"。
|
||
Future<void> loadResumePoint() async {
|
||
final entry = queue.entryAt(initialIndex);
|
||
final cached = positionCache.read(
|
||
entry.episode.id,
|
||
dramaId: entry.drama.id,
|
||
);
|
||
if (cached != null) {
|
||
resumePoint = ResumePoint(
|
||
episodeId: cached.episodeId,
|
||
position: cached.position,
|
||
);
|
||
resumeLoaded = true;
|
||
if (isMounted()) notify();
|
||
return;
|
||
}
|
||
try {
|
||
resumePoint = await history.resumePointFor(entry.drama.id);
|
||
} catch (_) {
|
||
// 拿不到续看位置不影响播放：从当前集开头看
|
||
resumePoint = null;
|
||
} finally {
|
||
resumeLoaded = true;
|
||
if (isMounted()) notify();
|
||
}
|
||
}
|
||
|
||
/// 票据门：起播前先拿票（命中未过期缓存就不会重复请求），
|
||
/// 该集是否该定位到服务端记录的位置：只有"记录里的那一集"才定位，其它集从头播。
|
||
Duration? resumePositionFor(String episodeId) {
|
||
final point = resumePoint;
|
||
if (point == null || point.episodeId != episodeId) return null;
|
||
if (point.position <= Duration.zero) return null;
|
||
return point.position;
|
||
}
|
||
|
||
/// 进度上报节流：距上次上报不足 [progressInterval] 就不报。
|
||
///
|
||
/// 切集/退出/切后台走 [saveCurrentProgress]，那条路径**不受节流限制**。
|
||
bool shouldReportProgress(DateTime now) {
|
||
if (now.difference(lastProgressWrite) < progressInterval) return false;
|
||
lastProgressWrite = now;
|
||
return true;
|
||
}
|
||
|
||
/// 票据门：起播前先拿票（命中未过期缓存就不会重复请求），
|
||
/// 拿不到地址就交给 [blockedTicket] 让 UI 提示解锁/暂无片源。
|
||
Future<bool> ensureTicket(int index, {bool forceRefresh = false}) async {
|
||
if (index < 0 || index >= sessionEpisodes.length) return false;
|
||
final episode = sessionEpisodes[index];
|
||
final request = pageRequest;
|
||
ticketLoading = true;
|
||
ticketError = null;
|
||
notify();
|
||
try {
|
||
final localPath = await downloads?.findLocalPath(episode.id);
|
||
if (request != pageRequest) return false;
|
||
if (localPath != null) {
|
||
_unlockedEpisodeIds.add(episode.id);
|
||
blockedTicket = null;
|
||
blockedEpisodeId = null;
|
||
qualities = const [];
|
||
qualityTracks = const [];
|
||
sessionEpisodes[index] = episode.withVideoUrl(_fileUrl(localPath));
|
||
return true;
|
||
}
|
||
final ticket = await playback.ticketFor(
|
||
episode.id,
|
||
forceRefresh: forceRefresh,
|
||
);
|
||
if (request != pageRequest) return false;
|
||
blockedTicket = null;
|
||
blockedEpisodeId = null;
|
||
qualities = ticket.qualities;
|
||
qualityTracks = ticket.tracks;
|
||
final preferred = qualityPlayUrl(
|
||
quality: selectedQuality,
|
||
tracks: qualityTracks,
|
||
currentUrl: ticket.playUrl,
|
||
);
|
||
final playUrl = preferred ?? ticket.playUrl;
|
||
if (preferred == null) selectedQuality = 'AUTO';
|
||
if (ticket.accessible && playUrl.isNotEmpty) {
|
||
_unlockedEpisodeIds.add(episode.id);
|
||
// 签名地址原样写回，不做任何拼接/改写（AppConfig.mediaUrl 只补 host）
|
||
sessionEpisodes[index] = episode.withVideoUrl(
|
||
playUrl,
|
||
likeCount: ticket.likeCount,
|
||
commentCount: ticket.commentCount,
|
||
thumbnailsUrl: ticket.thumbnailsUrl,
|
||
posterUrl: ticket.posterUrl,
|
||
);
|
||
return true;
|
||
}
|
||
blockedTicket = ticket;
|
||
blockedEpisodeId = episode.id;
|
||
return false;
|
||
} catch (exception) {
|
||
if (request != pageRequest) return false;
|
||
// 详情里已有可用地址（免费集）时降级继续，避免票据服务抖动就完全看不了
|
||
if (episode.videoUrl.isNotEmpty && !isEpisodeLocked(episode)) {
|
||
ticketError = null;
|
||
return true;
|
||
}
|
||
ticketError = exception is ApiException
|
||
? exception.message
|
||
: 'ticketError';
|
||
return false;
|
||
} finally {
|
||
ticketLoading = false;
|
||
if (isMounted()) notify();
|
||
}
|
||
}
|
||
|
||
String _fileUrl(String path) =>
|
||
path.startsWith('file:') ? path : Uri.file(path).toString();
|
||
|
||
/// 切到指定清晰度。新片源出画后再替换，失败则继续播原来的。
|
||
Future<bool> selectQuality(String quality) async {
|
||
final index = session.currentIndex;
|
||
if (index < 0 || index >= sessionEpisodes.length) return false;
|
||
final current = sessionEpisodes[index];
|
||
final url = qualityPlayUrl(
|
||
quality: quality,
|
||
tracks: qualityTracks,
|
||
currentUrl: current.videoUrl,
|
||
);
|
||
if (url == null || url.isEmpty) return false;
|
||
if (selectedQuality.toUpperCase() == quality.toUpperCase() &&
|
||
current.videoUrl == url) {
|
||
return true;
|
||
}
|
||
final previousQuality = selectedQuality;
|
||
final active = session.active;
|
||
if (active is VideoPlayerPort && active.controller.value.isInitialized) {
|
||
_qualitySeek = active.controller.value.position;
|
||
}
|
||
selectedQuality = quality.toUpperCase();
|
||
sessionEpisodes[index] = current.withVideoUrl(url);
|
||
final switched = await session.replaceCurrent();
|
||
if (switched) {
|
||
if (isMounted()) notify();
|
||
return true;
|
||
}
|
||
_qualitySeek = null;
|
||
selectedQuality = previousQuality;
|
||
if (index < sessionEpisodes.length) {
|
||
sessionEpisodes[index] = current;
|
||
}
|
||
if (isMounted()) notify();
|
||
return false;
|
||
}
|
||
|
||
Future<void> _waitUntilFrameReady(VideoPlayerController controller) async {
|
||
if (controller.value.hasError) {
|
||
throw StateError('quality source failed');
|
||
}
|
||
if (!controller.value.isBuffering) return;
|
||
final done = Completer<void>();
|
||
void onChange() {
|
||
final value = controller.value;
|
||
if (done.isCompleted) return;
|
||
if (value.hasError || !value.isBuffering) done.complete();
|
||
}
|
||
|
||
controller.addListener(onChange);
|
||
try {
|
||
await done.future.timeout(const Duration(seconds: 4));
|
||
} finally {
|
||
controller.removeListener(onChange);
|
||
}
|
||
if (controller.value.hasError) {
|
||
throw StateError('quality source failed');
|
||
}
|
||
}
|
||
|
||
/// 重试当前集的票据（失败态的"重试"按钮）。
|
||
Future<void> retryTicket() async {
|
||
ticketError = null;
|
||
notify();
|
||
unawaited(selectEpisode(session.currentIndex));
|
||
}
|
||
|
||
/// 金币解锁当前集；成功后强制刷新票据并直接起播。
|
||
Future<bool> unlockEpisode(int index) async {
|
||
final service = wallet;
|
||
if (service == null || index < 0 || index >= sessionEpisodes.length) {
|
||
return false;
|
||
}
|
||
final episode = sessionEpisodes[index];
|
||
unlockingEpisodeId = episode.id;
|
||
unlockError = null;
|
||
notify();
|
||
try {
|
||
final result = await service.unlock(episode.id);
|
||
if (result == null || !result.unlocked) {
|
||
unlockError = service.unlockError;
|
||
return false;
|
||
}
|
||
_unlockedEpisodeIds.add(episode.id);
|
||
final ready = await ensureTicket(index, forceRefresh: true);
|
||
if (ready) {
|
||
await _selectVisible(index);
|
||
}
|
||
return ready;
|
||
} finally {
|
||
unlockingEpisodeId = null;
|
||
if (isMounted()) notify();
|
||
}
|
||
}
|
||
|
||
/// 当前播放器页面被其它 PageRoute 覆盖时暂停并保存进度。
|
||
void onRouteCovered() {
|
||
if (!_started) return;
|
||
session.setRouteVisible(false);
|
||
cancelScrub();
|
||
unawaited(saveCurrentProgress());
|
||
}
|
||
|
||
/// 覆盖播放器的 PageRoute 返回后恢复当前 Tab 的播放状态。
|
||
void onRouteRevealed() {
|
||
if (!_started || !isMounted()) return;
|
||
session.setRouteVisible(active);
|
||
}
|
||
|
||
void onPageUpdated(PlayerPage previous) {
|
||
if (previous.active != active) {
|
||
session.setRouteVisible(active && visibleIndices.isNotEmpty);
|
||
if (!active) {
|
||
cancelScrub();
|
||
unawaited(saveCurrentProgress());
|
||
}
|
||
}
|
||
if (previous.resumeRequest != resumeRequest) {
|
||
session.setUserWantsPlay(true);
|
||
}
|
||
if (previous.backRequest != backRequest) {
|
||
final request = backRequest;
|
||
WidgetsBinding.instance.addPostFrameCallback((_) {
|
||
if (isMounted() && backRequest == request) {
|
||
onMenu?.call();
|
||
}
|
||
});
|
||
}
|
||
}
|
||
|
||
void onLifecycle(AppLifecycleState state) {
|
||
if (state != AppLifecycleState.resumed) unawaited(saveCurrentProgress());
|
||
if (state == AppLifecycleState.resumed) {
|
||
final wasInPip = pip || pipPreparing;
|
||
// 部分机型退出画中画不会回调 onPipChanged(false)：回前台先兜底复位，
|
||
// 否则 chromeHidden 恒为 true，播放浮层与首页底栏都会消失。
|
||
if (pip || pipPreparing) {
|
||
pip = false;
|
||
pipPreparing = false;
|
||
notify();
|
||
notifyImmersive();
|
||
}
|
||
// 签名地址有有效期：回前台时若票据已过期，重新取一张再起播，
|
||
// 否则会撞上 403（契约 §1.4）
|
||
final episode = trackedEpisode;
|
||
final shouldAutoResume = !wasInPip && _canAutoResume(episode);
|
||
if (episode != null && !playback.isFresh(episode.id)) {
|
||
unawaited(
|
||
_refreshTicketThenResume(
|
||
episode,
|
||
session.currentIndex,
|
||
shouldAutoResume,
|
||
),
|
||
);
|
||
} else if (shouldAutoResume) {
|
||
session.setUserWantsPlay(true);
|
||
}
|
||
}
|
||
session.setAppResumed(
|
||
state == AppLifecycleState.resumed || pip || pipPreparing,
|
||
);
|
||
if (state != AppLifecycleState.resumed) cancelScrub();
|
||
}
|
||
|
||
Future<void> _refreshTicketThenResume(
|
||
Episode episode,
|
||
int index,
|
||
bool shouldResume,
|
||
) async {
|
||
await selectEpisode(index);
|
||
if (!shouldResume ||
|
||
!isMounted() ||
|
||
trackedEpisode?.id != episode.id ||
|
||
!_canAutoResume(episode)) {
|
||
return;
|
||
}
|
||
session.setUserWantsPlay(true);
|
||
}
|
||
|
||
bool _canAutoResume(Episode? episode) {
|
||
return episode != null &&
|
||
ticketError == null &&
|
||
blockedEpisodeId != episode.id &&
|
||
unlockingEpisodeId == null &&
|
||
!session.isLocked &&
|
||
session.error == null &&
|
||
session.canResumeAfterBackground;
|
||
}
|
||
|
||
@override
|
||
void dispose() {
|
||
if (_disposed) return;
|
||
_disposed = true;
|
||
pictureInPicture.setStateListener(null);
|
||
unawaited(saveCurrentProgress());
|
||
_detachTrackedPlayerListener();
|
||
if (_started) {
|
||
session.setRouteVisible(false);
|
||
cancelScrub();
|
||
unawaited(session.close());
|
||
pages.dispose();
|
||
}
|
||
super.dispose();
|
||
}
|
||
|
||
void notifyImmersive() => onImmersiveChanged?.call(chromeHidden);
|
||
|
||
Future<void> enterPip(BuildContext context) async {
|
||
if (pip || pipPreparing) return;
|
||
if (session.active is! VideoPlayerPort) {
|
||
ScaffoldMessenger.of(context).showSnackBar(
|
||
SnackBar(content: Text(AppLocalizations.of(context)!.pipUnavailable)),
|
||
);
|
||
return;
|
||
}
|
||
pipPreparing = true;
|
||
notify();
|
||
notifyImmersive();
|
||
await WidgetsBinding.instance.endOfFrame;
|
||
bool entered = false;
|
||
try {
|
||
entered = await pictureInPicture.enter();
|
||
} catch (_) {
|
||
// Android reports unavailable for devices without PiP support.
|
||
}
|
||
if (!context.mounted) return;
|
||
if (entered) {
|
||
pip = true;
|
||
pipPreparing = false;
|
||
notify();
|
||
notifyImmersive();
|
||
session.setAppResumed(true);
|
||
} else {
|
||
pipPreparing = false;
|
||
notify();
|
||
notifyImmersive();
|
||
ScaffoldMessenger.of(context).showSnackBar(
|
||
SnackBar(content: Text(AppLocalizations.of(context)!.pipUnavailable)),
|
||
);
|
||
}
|
||
}
|
||
|
||
void onPipChanged(bool enabled) {
|
||
if (!isMounted()) return;
|
||
pip = enabled;
|
||
pipPreparing = false;
|
||
notify();
|
||
notifyImmersive();
|
||
session.setAppResumed(
|
||
enabled ||
|
||
WidgetsBinding.instance.lifecycleState == AppLifecycleState.resumed,
|
||
);
|
||
}
|
||
|
||
Future<void> preparePlayer(Episode episode, PlayerPort player) async {
|
||
if (player is! VideoPlayerPort) return;
|
||
try {
|
||
await player.controller.setPlaybackSpeed(playbackSpeed);
|
||
final override = _qualitySeek;
|
||
_qualitySeek = null;
|
||
if (override != null && override > Duration.zero) {
|
||
await player.seekTo(
|
||
clampResumePosition(override, player.controller.value.duration),
|
||
);
|
||
await _waitUntilFrameReady(player.controller);
|
||
return;
|
||
}
|
||
await pendingWrite;
|
||
// 服务端每剧只记一条：只有"记录里的那一集"才定位，其它集从头播
|
||
if (resumePoint == null) await loadResumePoint();
|
||
if (resumePositionFor(episode.id) == null) {
|
||
final dramaId = _dramaIdForEpisode(episode.id);
|
||
final cached = dramaId == null
|
||
? null
|
||
: positionCache.read(episode.id, dramaId: dramaId);
|
||
if (cached != null) {
|
||
resumePoint = ResumePoint(
|
||
episodeId: cached.episodeId,
|
||
position: cached.position,
|
||
);
|
||
}
|
||
}
|
||
final saved = resumePositionFor(episode.id);
|
||
if (saved != null) {
|
||
await player.seekTo(
|
||
clampResumePosition(saved, player.controller.value.duration),
|
||
);
|
||
}
|
||
} catch (_) {
|
||
// 续看或清晰度定位失败时仍用已初始化的播放器，不把切换判失败。
|
||
}
|
||
}
|
||
|
||
Future<void> activatePlayer(Episode episode, PlayerPort player) async {
|
||
if (player is! VideoPlayerPort) return;
|
||
final index = session.currentIndex;
|
||
final drama = queue.entryAt(index).drama;
|
||
await player.controller.setVolume(muted ? 0 : 1);
|
||
await player.controller.setPlaybackSpeed(playbackSpeed);
|
||
if (session.active != player) return;
|
||
_detachTrackedPlayerListener();
|
||
trackedPlayer = player;
|
||
trackedEpisode = episode;
|
||
trackedDrama = drama;
|
||
_trackedPlayerIndex = index;
|
||
_completionHandled = false;
|
||
_completionProgressSaved = false;
|
||
lastProgressWrite = DateTime.now();
|
||
player.controller.addListener(_handleTrackedPlayerChanged);
|
||
}
|
||
|
||
void _detachTrackedPlayerListener() {
|
||
trackedPlayer?.controller.removeListener(_handleTrackedPlayerChanged);
|
||
_trackedPlayerIndex = null;
|
||
}
|
||
|
||
void _handleTrackedPlayerChanged() {
|
||
if (_disposed) return;
|
||
final player = trackedPlayer;
|
||
final episode = trackedEpisode;
|
||
final drama = trackedDrama;
|
||
final index = _trackedPlayerIndex;
|
||
if (player == null ||
|
||
episode == null ||
|
||
drama == null ||
|
||
index == null ||
|
||
session.active != player) {
|
||
return;
|
||
}
|
||
final snapshot = _readPlaybackSnapshot(player);
|
||
if (snapshot == null) return;
|
||
_cachePlaybackPosition(drama, episode, snapshot);
|
||
if (snapshot.completed && !_completionProgressSaved) {
|
||
_completionProgressSaved = true;
|
||
unawaited(
|
||
queueProgress(
|
||
drama,
|
||
episode,
|
||
snapshot.duration,
|
||
duration: snapshot.duration,
|
||
finished: true,
|
||
),
|
||
);
|
||
}
|
||
if (!_completionHandled &&
|
||
snapshot.completed &&
|
||
session.canAutoAdvance &&
|
||
session.currentIndex == index) {
|
||
_completionHandled = true;
|
||
unawaited(advanceAfterEnd(player, index));
|
||
}
|
||
if (!shouldReportProgress(DateTime.now())) return;
|
||
unawaited(
|
||
queueProgress(
|
||
drama,
|
||
episode,
|
||
snapshot.position,
|
||
duration: snapshot.duration,
|
||
),
|
||
);
|
||
}
|
||
|
||
Future<void> advanceAfterEnd(VideoPlayerPort player, int index) async {
|
||
if (!isMounted() || session.active != player || !session.canAutoAdvance) {
|
||
return;
|
||
}
|
||
final next = visibleIndices.indexOf(index) + 1;
|
||
if (next <= 0 || next >= visibleIndices.length) {
|
||
stoppedAtFeedEnd = true;
|
||
session.setUserWantsPlay(false);
|
||
return;
|
||
}
|
||
final controller = pages;
|
||
try {
|
||
if (!controller.hasClients) return;
|
||
await controller.animateToPage(
|
||
next,
|
||
duration: const Duration(milliseconds: 250),
|
||
curve: Curves.easeOutCubic,
|
||
);
|
||
} catch (_) {
|
||
// The page can leave the tree before the animation finishes.
|
||
}
|
||
}
|
||
|
||
/// 进度上报：节流由调用方控制（10 秒），切集/退出/切后台都会补一次。
|
||
Future<void> queueProgress(
|
||
Drama drama,
|
||
Episode episode,
|
||
Duration position, {
|
||
Duration? duration,
|
||
bool finished = false,
|
||
}) {
|
||
pendingWrite = pendingWrite
|
||
.then(
|
||
(_) => history.save(
|
||
episodeId: episode.id,
|
||
position: position,
|
||
duration: duration,
|
||
finished: finished,
|
||
),
|
||
)
|
||
.catchError((Object _) {
|
||
// 进度上报失败不影响播放（下次节流点会再报一次）。
|
||
return null;
|
||
});
|
||
return pendingWrite;
|
||
}
|
||
|
||
Future<void> saveCurrentProgress() async {
|
||
final pendingSeek = _pendingSeek;
|
||
if (pendingSeek != null) await pendingSeek;
|
||
await _saveCurrentProgressNow();
|
||
}
|
||
|
||
Future<void> _saveCurrentProgressNow() {
|
||
final player = trackedPlayer;
|
||
final episode = trackedEpisode;
|
||
final drama = trackedDrama;
|
||
if (player == null || episode == null || drama == null) return pendingWrite;
|
||
final snapshot = _readPlaybackSnapshot(player);
|
||
if (snapshot == null) return pendingWrite;
|
||
return _persistPlaybackSnapshot(drama, episode, snapshot);
|
||
}
|
||
|
||
_PlaybackSnapshot? _readPlaybackSnapshot(VideoPlayerPort player) {
|
||
final value = player.controller.value;
|
||
if (!value.isInitialized || value.duration <= Duration.zero) return null;
|
||
return (
|
||
position: clampPlaybackPosition(value.position, value.duration),
|
||
duration: value.duration,
|
||
completed: value.isCompleted,
|
||
);
|
||
}
|
||
|
||
void _cachePlaybackPosition(
|
||
Drama drama,
|
||
Episode episode,
|
||
_PlaybackSnapshot snapshot,
|
||
) {
|
||
if (session.isLocked ||
|
||
ticketError != null ||
|
||
blockedEpisodeId == episode.id) {
|
||
return;
|
||
}
|
||
positionCache.save(
|
||
episodeId: episode.id,
|
||
dramaId: drama.id,
|
||
position: snapshot.position,
|
||
duration: snapshot.duration,
|
||
);
|
||
}
|
||
|
||
Future<void> _persistPlaybackSnapshot(
|
||
Drama drama,
|
||
Episode episode,
|
||
_PlaybackSnapshot snapshot, {
|
||
bool finished = false,
|
||
}) {
|
||
_cachePlaybackPosition(drama, episode, snapshot);
|
||
return queueProgress(
|
||
drama,
|
||
episode,
|
||
snapshot.position,
|
||
duration: snapshot.duration,
|
||
finished: finished,
|
||
);
|
||
}
|
||
|
||
/// 翻页入口使用 single-flight：执行中的切集不被重复排队，只保留最新目标。
|
||
Future<void> requestEpisodeSelection(int index, {int? revision}) {
|
||
if (_disposed || index < 0 || index >= sessionEpisodes.length) {
|
||
return Future<void>.value();
|
||
}
|
||
_pendingSelectionIndex = index;
|
||
_pendingSelectionRevision = revision;
|
||
return _selectionDrain ??= _drainEpisodeSelections();
|
||
}
|
||
|
||
Future<void> _drainEpisodeSelections() async {
|
||
try {
|
||
while (!_disposed) {
|
||
final index = _pendingSelectionIndex;
|
||
if (index == null) break;
|
||
final revision = _pendingSelectionRevision;
|
||
_pendingSelectionIndex = null;
|
||
_pendingSelectionRevision = null;
|
||
await selectEpisode(index, revision: revision);
|
||
}
|
||
} finally {
|
||
_selectionDrain = null;
|
||
final index = _pendingSelectionIndex;
|
||
if (!_disposed && index != null) {
|
||
unawaited(
|
||
requestEpisodeSelection(index, revision: _pendingSelectionRevision),
|
||
);
|
||
}
|
||
}
|
||
}
|
||
|
||
Future<void> selectEpisode(
|
||
int index, {
|
||
int? revision,
|
||
bool? userWantsPlay,
|
||
}) async {
|
||
final feedRevisionAtStart = revision ?? feedRevision;
|
||
final request = ++pageRequest;
|
||
cancelScrub();
|
||
// Capture the old position synchronously, persist without blocking a swipe.
|
||
unawaited(saveCurrentProgress());
|
||
if (request != pageRequest ||
|
||
feedRevisionAtStart != feedRevision ||
|
||
!isMounted()) {
|
||
return;
|
||
}
|
||
final episode = sessionEpisodes[index];
|
||
if (isEpisodeLocked(episode)) {
|
||
blockedTicket = null;
|
||
blockedEpisodeId = episode.id;
|
||
ticketError = null;
|
||
await session.selectLocked(
|
||
index,
|
||
preloadIndex: nextVisibleIndex(index),
|
||
previousIndex: previousVisibleIndex(index),
|
||
);
|
||
if (request != pageRequest ||
|
||
feedRevisionAtStart != feedRevision ||
|
||
!isMounted()) {
|
||
return;
|
||
}
|
||
}
|
||
// 起播前先要票据：拿不到就不起播，交给三态 UI 提示（失败可重试）
|
||
final ready = await ensureTicket(index);
|
||
if (request != pageRequest ||
|
||
feedRevisionAtStart != feedRevision ||
|
||
!isMounted()) {
|
||
return;
|
||
}
|
||
if (!ready) return;
|
||
await _selectVisible(index, userWantsPlay: userWantsPlay);
|
||
}
|
||
|
||
/// 收费集只有在本会话确认可播或解锁成功后才解除门禁。
|
||
bool isEpisodeLocked(Episode episode) {
|
||
return (episode.locked || !episode.isFree) &&
|
||
!_unlockedEpisodeIds.contains(episode.id);
|
||
}
|
||
|
||
/// 按可见队列选择一集，并预热上一集与下一集。
|
||
Future<void> _selectVisible(int index, {bool? userWantsPlay}) {
|
||
return session.select(
|
||
index,
|
||
preloadIndex: nextVisibleIndex(index),
|
||
previousIndex: previousVisibleIndex(index),
|
||
userWantsPlay: userWantsPlay,
|
||
);
|
||
}
|
||
|
||
int? nextVisibleIndex(int index) {
|
||
final position = visibleIndices.indexOf(index);
|
||
return position >= 0 && position + 1 < visibleIndices.length
|
||
? visibleIndices[position + 1]
|
||
: null;
|
||
}
|
||
|
||
/// 可见队列里当前集的上一集；已经是第一集时为空。
|
||
int? previousVisibleIndex(int index) {
|
||
final position = visibleIndices.indexOf(index);
|
||
if (position <= 0) return null;
|
||
return visibleIndices[position - 1];
|
||
}
|
||
|
||
bool get hasNextEpisode => nextVisibleIndex(session.currentIndex) != null;
|
||
|
||
Future<void> playNextEpisode() async {
|
||
final next = nextVisibleIndex(session.currentIndex);
|
||
if (next == null || !pages.hasClients) return;
|
||
await pages.animateToPage(
|
||
visibleIndices.indexOf(next),
|
||
duration: const Duration(milliseconds: 250),
|
||
curve: Curves.easeOutCubic,
|
||
);
|
||
}
|
||
|
||
void beginScrub(VideoPlayerPort player) {
|
||
if (session.active != player) return;
|
||
scrubbingPlayer = player;
|
||
}
|
||
|
||
void cancelScrub() {
|
||
if (scrubbingPlayer == null) return;
|
||
scrubbingPlayer = null;
|
||
}
|
||
|
||
Future<void> endScrub(
|
||
BuildContext context,
|
||
VideoPlayerPort player,
|
||
Duration position,
|
||
) => seekTo(context, player, position);
|
||
|
||
Future<void> seekTo(
|
||
BuildContext context,
|
||
VideoPlayerPort player,
|
||
Duration position,
|
||
) {
|
||
final operation = _performSeek(context, player, position);
|
||
_pendingSeek = operation;
|
||
return operation.whenComplete(() {
|
||
if (identical(_pendingSeek, operation)) _pendingSeek = null;
|
||
});
|
||
}
|
||
|
||
Future<void> _performSeek(
|
||
BuildContext context,
|
||
VideoPlayerPort player,
|
||
Duration position,
|
||
) async {
|
||
if (scrubbingPlayer != player || session.active != player) return;
|
||
try {
|
||
await session.playbackSettled;
|
||
if (scrubbingPlayer != player || session.active != player) return;
|
||
final duration = player.controller.value.duration;
|
||
final target = clampPlaybackPosition(position, duration);
|
||
if (target <= Duration.zero) return;
|
||
await player.seekTo(target);
|
||
if (session.active != player) return;
|
||
final snapshot = _readPlaybackSnapshot(player);
|
||
if (snapshot == null) return;
|
||
final entry = queue.entryAt(session.currentIndex);
|
||
final save = _persistPlaybackSnapshot(
|
||
entry.drama,
|
||
entry.episode,
|
||
snapshot,
|
||
);
|
||
// 暂停时拖动进度后直接恢复播放，避免画面停在旧位置。
|
||
resumeAfterSeek();
|
||
await save;
|
||
} catch (_) {
|
||
if (context.mounted && session.active == player) {
|
||
final l10n = AppLocalizations.of(context)!;
|
||
ScaffoldMessenger.of(
|
||
context,
|
||
).showSnackBar(SnackBar(content: Text(l10n.seekFailed)));
|
||
}
|
||
} finally {
|
||
if (scrubbingPlayer == player) cancelScrub();
|
||
}
|
||
}
|
||
|
||
/// 拖动进度落点后恢复播放；暂停态拖动不应停留在暂停。
|
||
@visibleForTesting
|
||
void resumeAfterSeek() {
|
||
if (!session.userWantsPlay) session.setUserWantsPlay(true);
|
||
}
|
||
|
||
Future<void> leave(BuildContext context) async {
|
||
await saveCurrentProgress();
|
||
if (context.mounted) Navigator.of(context).pop();
|
||
}
|
||
|
||
Future<void> openDetail(BuildContext context) async {
|
||
session.setOverlayOpen(true);
|
||
await saveCurrentProgress();
|
||
try {
|
||
if (!context.mounted) return;
|
||
await Navigator.of(context).push(
|
||
FadePageRoute<void>(
|
||
builder: (_) =>
|
||
DramaDetailPage(drama: queue.entryAt(session.currentIndex).drama),
|
||
),
|
||
);
|
||
} finally {
|
||
session.setOverlayOpen(false);
|
||
}
|
||
await saveCurrentProgress();
|
||
}
|
||
|
||
String? _dramaIdForEpisode(String episodeId) {
|
||
for (final entry in queue.entries) {
|
||
if (entry.episode.id == episodeId) return entry.drama.id;
|
||
}
|
||
return null;
|
||
}
|
||
|
||
Future<void> openSeriesAt(
|
||
BuildContext context,
|
||
Drama drama,
|
||
int index,
|
||
) async {
|
||
await pauseForFullPlayer();
|
||
if (!context.mounted) return;
|
||
await Navigator.of(context).push(
|
||
FadePageRoute<void>(
|
||
builder: (_) => PlayerPage(
|
||
drama: drama,
|
||
initialIndex: index,
|
||
wallet: wallet,
|
||
downloads: downloads,
|
||
),
|
||
),
|
||
);
|
||
if (!isMounted()) return;
|
||
await resumeAfterFullPlayer();
|
||
}
|
||
|
||
Future<void> showEpisodes(BuildContext context) async {
|
||
final entry = queue.entryAt(session.currentIndex);
|
||
final drama = await _withFullEpisodes(context, entry.drama);
|
||
if (!context.mounted) return;
|
||
final homeFeed = feedDramas != null;
|
||
final currentNumber = entry.episode.number;
|
||
session.setOverlayOpen(true);
|
||
await session.playbackSettled;
|
||
if (!context.mounted) {
|
||
session.setOverlayOpen(false);
|
||
return;
|
||
}
|
||
try {
|
||
await showModalBottomSheet<void>(
|
||
context: context,
|
||
backgroundColor: AppColors.transparent,
|
||
isScrollControlled: true,
|
||
builder: (_) => EpisodePickerSheet(
|
||
drama: drama,
|
||
currentNumber: currentNumber,
|
||
onSelect: (index) =>
|
||
_selectFromSheet(context, drama, index, homeFeed, currentNumber),
|
||
),
|
||
);
|
||
} finally {
|
||
session.setOverlayOpen(false);
|
||
}
|
||
}
|
||
|
||
/// 列表卡片只带一集可播预览，需要完整剧集时补一次详情；
|
||
/// 取不到（或页面外没有目录来源）就退回卡片本身。
|
||
Future<Drama> _withFullEpisodes(BuildContext context, Drama drama) async {
|
||
if (drama.detailLoaded) return drama;
|
||
final CatalogController catalog;
|
||
try {
|
||
catalog = context.read<CatalogController>();
|
||
} catch (_) {
|
||
return drama;
|
||
}
|
||
try {
|
||
return await catalog.requireDetail(drama);
|
||
} catch (_) {
|
||
return drama;
|
||
}
|
||
}
|
||
|
||
void _selectFromSheet(
|
||
BuildContext pageContext,
|
||
Drama drama,
|
||
int index,
|
||
bool homeFeed,
|
||
int currentNumber,
|
||
) {
|
||
if (homeFeed) {
|
||
if (drama.episodes[index].number == currentNumber) return;
|
||
unawaited(openSeriesAt(pageContext, drama, index));
|
||
return;
|
||
}
|
||
if (index == session.currentIndex) return;
|
||
unawaited(
|
||
pages.animateToPage(
|
||
index,
|
||
duration: const Duration(milliseconds: 260),
|
||
curve: Curves.easeOutCubic,
|
||
),
|
||
);
|
||
}
|
||
|
||
Future<void> showMy(BuildContext context) async {
|
||
if (embedded) {
|
||
onMy?.call();
|
||
return;
|
||
}
|
||
session.setRouteVisible(false);
|
||
await session.playbackSettled;
|
||
await saveCurrentProgress();
|
||
if (!context.mounted) return;
|
||
final action = await Navigator.of(
|
||
context,
|
||
).push<MyPageAction>(MaterialPageRoute(builder: (_) => const MyPage()));
|
||
if (!context.mounted) return;
|
||
if (action == MyPageAction.recommend) {
|
||
await showDiscover(context);
|
||
} else {
|
||
session.setRouteVisible(true);
|
||
}
|
||
if (action == MyPageAction.resume) session.setUserWantsPlay(true);
|
||
}
|
||
|
||
Future<void> showSearch(BuildContext context) async {
|
||
if (embedded) {
|
||
onSearch?.call();
|
||
return;
|
||
}
|
||
await showDiscover(context);
|
||
}
|
||
|
||
Future<void> showDiscover(BuildContext context) async {
|
||
if (embedded) {
|
||
onDiscover?.call();
|
||
return;
|
||
}
|
||
session.setRouteVisible(false);
|
||
await session.playbackSettled;
|
||
await saveCurrentProgress();
|
||
if (!context.mounted) return;
|
||
await Navigator.of(
|
||
context,
|
||
).push<void>(MaterialPageRoute(builder: (_) => const SearchPage()));
|
||
if (context.mounted) {
|
||
session.setRouteVisible(true);
|
||
}
|
||
}
|
||
|
||
Future<void> toggleMute() async {
|
||
final port = session.active;
|
||
if (port is! VideoPlayerPort) return;
|
||
final next = !muted;
|
||
await port.controller.setVolume(next ? 0 : 1);
|
||
if (isMounted()) muted = next;
|
||
notify();
|
||
}
|
||
|
||
Future<void> setPlaybackSpeed(double value) async {
|
||
playbackSpeed = value;
|
||
final active = session.active;
|
||
if (active is VideoPlayerPort && active.controller.value.isInitialized) {
|
||
await active.controller.setPlaybackSpeed(value);
|
||
}
|
||
notify();
|
||
}
|
||
|
||
Future<void> showComments(
|
||
BuildContext context,
|
||
Drama drama, {
|
||
String? episodeId,
|
||
}) async {
|
||
session.setOverlayOpen(true);
|
||
await session.playbackSettled;
|
||
if (!context.mounted) {
|
||
session.setOverlayOpen(false);
|
||
return;
|
||
}
|
||
try {
|
||
await showModalBottomSheet<void>(
|
||
context: context,
|
||
isScrollControlled: true,
|
||
backgroundColor: AppColors.transparent,
|
||
showDragHandle: false,
|
||
isDismissible: false,
|
||
enableDrag: false,
|
||
builder: (_) => DramaCommentsSheet(drama: drama, episodeId: episodeId),
|
||
);
|
||
} finally {
|
||
session.setOverlayOpen(false);
|
||
}
|
||
}
|
||
|
||
Future<void> shareDrama(BuildContext context, Drama drama) async {
|
||
final l10n = AppLocalizations.of(context)!;
|
||
session.setOverlayOpen(true);
|
||
await session.playbackSettled;
|
||
try {
|
||
await const PlatformShareService().shareDrama(
|
||
title: localizedDramaTitle(l10n, drama),
|
||
synopsis: localizedDramaSynopsis(l10n, drama),
|
||
footer: l10n.shareFooter,
|
||
);
|
||
} catch (_) {
|
||
if (context.mounted) {
|
||
ScaffoldMessenger.of(context).showSnackBar(
|
||
SnackBar(content: Text(AppLocalizations.of(context)!.shareFailed)),
|
||
);
|
||
}
|
||
} finally {
|
||
session.setOverlayOpen(false);
|
||
}
|
||
}
|
||
}
|