added cargo files
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277
PinePods-0.8.2/mobile/lib/ui/podcast/transport_controls.dart
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277
PinePods-0.8.2/mobile/lib/ui/podcast/transport_controls.dart
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// Copyright 2020 Ben Hills and the project contributors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:pinepods_mobile/bloc/podcast/audio_bloc.dart';
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import 'package:pinepods_mobile/bloc/podcast/episode_bloc.dart';
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import 'package:pinepods_mobile/bloc/podcast/podcast_bloc.dart';
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import 'package:pinepods_mobile/bloc/settings/settings_bloc.dart';
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import 'package:pinepods_mobile/entities/app_settings.dart';
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import 'package:pinepods_mobile/entities/downloadable.dart';
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import 'package:pinepods_mobile/entities/episode.dart';
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import 'package:pinepods_mobile/l10n/L.dart';
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import 'package:pinepods_mobile/services/audio/audio_player_service.dart';
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import 'package:pinepods_mobile/ui/podcast/now_playing.dart';
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import 'package:pinepods_mobile/ui/widgets/action_text.dart';
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import 'package:pinepods_mobile/ui/widgets/download_button.dart';
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import 'package:pinepods_mobile/ui/widgets/play_pause_button.dart';
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import 'package:pinepods_mobile/ui/utils/player_utils.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_dialogs/flutter_dialogs.dart';
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import 'package:provider/provider.dart';
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import 'package:rxdart/rxdart.dart';
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/// Handles the state of the episode transport controls.
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///
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/// This currently consists of the [PlayControl] and [DownloadControl]
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/// to handle the play/pause and download control state respectively.
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class PlayControl extends StatelessWidget {
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final Episode episode;
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const PlayControl({
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super.key,
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required this.episode,
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});
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@override
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Widget build(BuildContext context) {
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final audioBloc = Provider.of<AudioBloc>(context, listen: false);
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final settings = Provider.of<SettingsBloc>(context, listen: false).currentSettings;
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return SizedBox(
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height: 48.0,
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width: 48.0,
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child: StreamBuilder<_PlayerControlState>(
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stream: Rx.combineLatest2(audioBloc.playingState!, audioBloc.nowPlaying!,
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(AudioState audioState, Episode? episode) => _PlayerControlState(audioState, episode)),
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builder: (context, snapshot) {
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if (snapshot.hasData) {
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final audioState = snapshot.data!.audioState;
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final nowPlaying = snapshot.data!.episode;
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if (episode.downloadState != DownloadState.downloading && episode.downloadState != DownloadState.queued) {
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// If this episode is the one we are playing, allow the user
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// to toggle between play and pause.
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if (snapshot.hasData && nowPlaying?.guid == episode.guid) {
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if (audioState == AudioState.playing) {
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return InkWell(
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onTap: () {
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audioBloc.transitionState(TransitionState.pause);
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},
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child: PlayPauseButton(
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title: episode.title!,
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label: L.of(context)!.pause_button_label,
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icon: Icons.pause,
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),
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);
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} else if (audioState == AudioState.buffering) {
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return PlayPauseBusyButton(
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title: episode.title!,
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label: L.of(context)!.pause_button_label,
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icon: Icons.pause,
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);
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} else if (audioState == AudioState.pausing) {
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return InkWell(
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onTap: () {
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audioBloc.transitionState(TransitionState.play);
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optionalShowNowPlaying(context, settings);
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},
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child: PlayPauseButton(
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title: episode.title!,
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label: L.of(context)!.play_button_label,
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icon: Icons.play_arrow,
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),
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);
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}
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}
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// If this episode is not the one we are playing, allow the
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// user to start playing this episode.
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return InkWell(
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onTap: () {
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audioBloc.play(episode);
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optionalShowNowPlaying(context, settings);
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},
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child: PlayPauseButton(
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title: episode.title!,
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label: L.of(context)!.play_button_label,
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icon: Icons.play_arrow,
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),
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);
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} else {
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// We are currently downloading this episode. Do not allow
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// the user to play it until the download is complete.
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return Opacity(
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opacity: 0.2,
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child: PlayPauseButton(
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title: episode.title!,
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label: L.of(context)!.play_button_label,
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icon: Icons.play_arrow,
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),
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);
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}
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} else {
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// We have no playing information at the moment. Show a play button
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// until the stream wakes up.
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if (episode.downloadState != DownloadState.downloading) {
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return InkWell(
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onTap: () {
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audioBloc.play(episode);
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optionalShowNowPlaying(context, settings);
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},
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child: PlayPauseButton(
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title: episode.title!,
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label: L.of(context)!.play_button_label,
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icon: Icons.play_arrow,
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),
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);
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} else {
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return Opacity(
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opacity: 0.2,
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child: PlayPauseButton(
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title: episode.title!,
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label: L.of(context)!.play_button_label,
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icon: Icons.play_arrow,
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),
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);
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}
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}
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}),
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);
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}
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}
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class DownloadControl extends StatelessWidget {
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final Episode episode;
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const DownloadControl({
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super.key,
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required this.episode,
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});
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@override
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Widget build(BuildContext context) {
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final audioBloc = Provider.of<AudioBloc>(context);
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final podcastBloc = Provider.of<PodcastBloc>(context);
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return SizedBox(
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height: 48.0,
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width: 48.0,
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child: StreamBuilder<_PlayerControlState>(
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stream: Rx.combineLatest2(audioBloc.playingState!, audioBloc.nowPlaying!,
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(AudioState audioState, Episode? episode) => _PlayerControlState(audioState, episode)),
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builder: (context, snapshot) {
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if (snapshot.hasData) {
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final audioState = snapshot.data!.audioState;
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final nowPlaying = snapshot.data!.episode;
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if (nowPlaying?.guid == episode.guid &&
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(audioState == AudioState.playing || audioState == AudioState.buffering)) {
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if (episode.downloadState != DownloadState.downloaded) {
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return Opacity(
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opacity: 0.2,
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child: DownloadButton(
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onPressed: () => podcastBloc.downloadEpisode(episode),
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title: episode.title!,
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icon: Icons.save_alt,
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percent: 0,
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label: L.of(context)!.download_episode_button_label,
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),
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);
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} else {
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return Opacity(
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opacity: 0.2,
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child: DownloadButton(
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onPressed: () => podcastBloc.downloadEpisode(episode),
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title: episode.title!,
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icon: Icons.check,
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percent: 0,
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label: L.of(context)!.download_episode_button_label,
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),
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);
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}
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}
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}
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if (episode.downloadState == DownloadState.downloaded) {
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return DownloadButton(
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onPressed: () => podcastBloc.downloadEpisode(episode),
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title: episode.title!,
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icon: Icons.check,
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percent: 0,
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label: L.of(context)!.download_episode_button_label,
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);
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} else if (episode.downloadState == DownloadState.queued) {
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return DownloadButton(
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onPressed: () => _showCancelDialog(context),
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title: episode.title!,
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icon: Icons.timer_outlined,
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percent: 0,
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label: L.of(context)!.download_episode_button_label,
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);
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} else if (episode.downloadState == DownloadState.downloading) {
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return DownloadButton(
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onPressed: () => _showCancelDialog(context),
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title: episode.title!,
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icon: Icons.timer_outlined,
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percent: episode.downloadPercentage!,
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label: L.of(context)!.download_episode_button_label,
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);
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}
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return DownloadButton(
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onPressed: () => podcastBloc.downloadEpisode(episode),
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title: episode.title!,
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icon: Icons.save_alt,
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percent: 0,
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label: L.of(context)!.download_episode_button_label,
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);
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}),
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);
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}
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Future<void> _showCancelDialog(BuildContext context) {
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final episodeBloc = Provider.of<EpisodeBloc>(context, listen: false);
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return showPlatformDialog<void>(
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context: context,
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useRootNavigator: false,
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builder: (_) => BasicDialogAlert(
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title: Text(
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L.of(context)!.stop_download_title,
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),
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content: Text(L.of(context)!.stop_download_confirmation),
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actions: <Widget>[
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BasicDialogAction(
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title: ActionText(
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L.of(context)!.continue_button_label,
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),
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onPressed: () {
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Navigator.pop(context);
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},
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),
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BasicDialogAction(
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title: ActionText(
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L.of(context)!.stop_download_button_label,
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),
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iosIsDefaultAction: true,
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onPressed: () {
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episodeBloc.deleteDownload(episode);
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Navigator.pop(context);
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},
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),
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],
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),
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);
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}
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}
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/// This class acts as a wrapper between the current audio state and
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/// downloadables. Saves all that nesting of StreamBuilders.
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class _PlayerControlState {
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final AudioState audioState;
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final Episode? episode;
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_PlayerControlState(this.audioState, this.episode);
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}
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