tencent_cloud_chat_uikit_fl.../lib/ui/widgets/video_screen.dart

342 lines
13 KiB
Dart

import 'dart:convert';
import 'dart:io';
import 'dart:math';
import 'package:chewie/chewie.dart';
import 'package:crypto/crypto.dart';
import 'package:device_info_plus/device_info_plus.dart';
import 'package:extended_image/extended_image.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:image_gallery_saver/image_gallery_saver.dart';
import 'package:tencent_cloud_chat_uikit/base_widgets/tim_ui_kit_base.dart';
import 'package:tencent_cloud_chat_uikit/base_widgets/tim_ui_kit_state.dart';
import 'package:tencent_cloud_chat_uikit/business_logic/view_models/tui_chat_global_model.dart';
import 'package:tencent_cloud_chat_uikit/data_services/services_locatar.dart';
import 'package:tencent_cloud_chat_uikit/tencent_cloud_chat_uikit.dart';
import 'package:tencent_cloud_chat_uikit/ui/utils/permission.dart';
import 'package:tencent_cloud_chat_uikit/ui/utils/platform.dart';
import 'package:tencent_cloud_chat_uikit/ui/widgets/video_custom_control.dart';
import 'package:universal_html/html.dart' as html;
import 'package:video_player/video_player.dart';
class VideoScreen extends StatefulWidget {
const VideoScreen({required this.message, required this.heroTag, required this.videoElement, Key? key}) : super(key: key);
final V2TimMessage message;
final dynamic heroTag;
final V2TimVideoElem videoElement;
@override
State<StatefulWidget> createState() => _VideoScreenState();
}
class _VideoScreenState extends TIMUIKitState<VideoScreen> {
late VideoPlayerController videoPlayerController;
late ChewieController chewieController;
GlobalKey<ExtendedImageSlidePageState> slidePagekey = GlobalKey<ExtendedImageSlidePageState>();
final TUIChatGlobalModel model = serviceLocator<TUIChatGlobalModel>();
bool isInit = false;
@override
initState() {
super.initState();
setVideoPlayerController();
// 允许横屏
SystemChrome.setPreferredOrientations([
DeviceOrientation.landscapeLeft,
DeviceOrientation.landscapeRight,
DeviceOrientation.portraitUp,
DeviceOrientation.portraitDown,
]);
}
//保存网络视频到本地
Future<void> _saveNetworkVideo(
context,
String videoUrl, {
bool isAsset = true,
}) async {
if (PlatformUtils().isWeb) {
RegExp exp = RegExp(r"((\.){1}[^?]{2,4})");
String? suffix = exp.allMatches(videoUrl).last.group(0);
var xhr = html.HttpRequest();
xhr.open('get', videoUrl);
xhr.responseType = 'arraybuffer';
xhr.onLoad.listen((event) {
final a = html.AnchorElement(href: html.Url.createObjectUrl(html.Blob([xhr.response])));
a.download = '${md5.convert(utf8.encode(videoUrl)).toString()}$suffix';
a.click();
a.remove();
});
xhr.send();
return;
}
if (PlatformUtils().isMobile) {
if (PlatformUtils().isIOS) {
if (!await Permissions.checkPermission(
context,
Permission.photosAddOnly.value,
)) {
return;
}
} else {
final DeviceInfoPlugin deviceInfo = DeviceInfoPlugin();
AndroidDeviceInfo androidInfo = await deviceInfo.androidInfo;
if ((androidInfo.version.sdkInt) >= 33) {
final videos = await Permissions.checkPermission(
context,
Permission.videos.value,
);
if (!videos) {
return;
}
} else {
final storage = await Permissions.checkPermission(
context,
Permission.storage.value,
);
if (!storage) {
return;
}
}
}
}
String savePath = videoUrl;
if (!isAsset) {
if (widget.message.msgID == null || widget.message.msgID!.isEmpty) {
return;
}
if (model.getMessageProgress(widget.message.msgID) == 100) {
String savePath;
if (widget.message.videoElem!.localVideoUrl != null && widget.message.videoElem!.localVideoUrl != '') {
savePath = widget.message.videoElem!.localVideoUrl!;
} else {
savePath = model.getFileMessageLocation(widget.message.msgID);
}
File f = File(savePath);
if (f.existsSync()) {
var result = await ImageGallerySaver.saveFile(savePath);
if (PlatformUtils().isIOS) {
if (result['isSuccess']) {
onTIMCallback(TIMCallback(type: TIMCallbackType.INFO, infoRecommendText: TIM_t("视频保存成功"), infoCode: 6660402));
} else {
onTIMCallback(TIMCallback(type: TIMCallbackType.INFO, infoRecommendText: TIM_t("视频保存失败"), infoCode: 6660403));
}
} else {
if (result != null) {
onTIMCallback(TIMCallback(type: TIMCallbackType.INFO, infoRecommendText: TIM_t("视频保存成功"), infoCode: 6660402));
} else {
onTIMCallback(TIMCallback(type: TIMCallbackType.INFO, infoRecommendText: TIM_t("视频保存失败"), infoCode: 6660403));
}
}
}
} else {
onTIMCallback(TIMCallback(type: TIMCallbackType.INFO, infoRecommendText: TIM_t("the message is downloading"), infoCode: -1));
}
return;
}
var result = await ImageGallerySaver.saveFile(savePath);
if (PlatformUtils().isIOS) {
if (result['isSuccess']) {
onTIMCallback(TIMCallback(type: TIMCallbackType.INFO, infoRecommendText: TIM_t("视频保存成功"), infoCode: 6660402));
} else {
onTIMCallback(TIMCallback(type: TIMCallbackType.INFO, infoRecommendText: TIM_t("视频保存失败"), infoCode: 6660403));
}
} else {
if (result != null) {
onTIMCallback(TIMCallback(type: TIMCallbackType.INFO, infoRecommendText: TIM_t("视频保存成功"), infoCode: 6660402));
} else {
onTIMCallback(TIMCallback(type: TIMCallbackType.INFO, infoRecommendText: TIM_t("视频保存失败"), infoCode: 6660403));
}
}
return;
}
Future<void> _saveVideo() async {
if (PlatformUtils().isWeb) {
return await _saveNetworkVideo(
context,
widget.videoElement.videoPath!,
isAsset: true,
);
}
if (widget.videoElement.videoPath != '' && widget.videoElement.videoPath != null && File(widget.videoElement.videoPath!).existsSync()) {
File f = File(widget.videoElement.videoPath!);
if (f.existsSync()) {
return await _saveNetworkVideo(
context,
widget.videoElement.videoPath!,
isAsset: true,
);
}
}
if (widget.videoElement.localVideoUrl != '' && widget.videoElement.localVideoUrl != null) {
File f = File(widget.videoElement.localVideoUrl!);
if (f.existsSync()) {
return await _saveNetworkVideo(
context,
widget.videoElement.localVideoUrl!,
isAsset: true,
);
}
}
return await _saveNetworkVideo(
context,
widget.videoElement.videoUrl!,
isAsset: false,
);
}
double getVideoHeight() {
double height = widget.videoElement.snapshotHeight!.toDouble();
double width = widget.videoElement.snapshotWidth!.toDouble();
// 横图
if (width > height) {
return height * 1.3;
}
return height;
}
double getVideoWidth() {
double height = widget.videoElement.snapshotHeight!.toDouble();
double width = widget.videoElement.snapshotWidth!.toDouble();
// 横图
if (width > height) {
return width * 1.3;
}
return width;
}
setVideoPlayerController() async {
if (!PlatformUtils().isWeb) {
if (TencentUtils.checkString(widget.message.msgID) != null && widget.videoElement.localVideoUrl == null) {
String savePath = model.getFileMessageLocation(widget.message.msgID);
File f = File(savePath);
if (f.existsSync()) {
widget.videoElement.localVideoUrl = savePath;
}
}
}
VideoPlayerController player = PlatformUtils().isWeb
? ((TencentUtils.checkString(widget.videoElement.videoPath) != null) || widget.message.status == MessageStatus.V2TIM_MSG_STATUS_SENDING
? VideoPlayerController.networkUrl(
Uri.parse(widget.videoElement.videoPath!),
)
: (TencentUtils.checkString(widget.videoElement.localVideoUrl) == null)
? VideoPlayerController.networkUrl(
Uri.parse(widget.videoElement.videoUrl!),
)
: VideoPlayerController.networkUrl(
Uri.parse(widget.videoElement.localVideoUrl!),
))
: ((TencentUtils.checkString(widget.videoElement.videoPath) != null || widget.message.status == MessageStatus.V2TIM_MSG_STATUS_SENDING) && File(widget.videoElement.videoPath!).existsSync())
? VideoPlayerController.file(File(widget.videoElement.videoPath!))
: (TencentUtils.checkString(widget.videoElement.localVideoUrl) == null)
? VideoPlayerController.networkUrl(
Uri.parse(widget.videoElement.videoUrl!),
)
: VideoPlayerController.file(File(
widget.videoElement.localVideoUrl!,
));
await player.initialize();
WidgetsBinding.instance.addPostFrameCallback((_) {
double aspectRatio = player.value.aspectRatio;
ChewieController controller = ChewieController(
videoPlayerController: player,
autoPlay: true,
looping: false,
showControlsOnInitialize: false,
allowPlaybackSpeedChanging: false,
aspectRatio: aspectRatio,
customControls: VideoCustomControls(downloadFn: () async {
return await _saveVideo();
}));
setState(() {
videoPlayerController = player;
chewieController = controller;
isInit = true;
});
});
}
@override
didUpdateWidget(oldWidget) {
if (oldWidget.videoElement.videoUrl != widget.videoElement.videoUrl || oldWidget.videoElement.videoPath != widget.videoElement.videoPath) {
setVideoPlayerController();
}
super.didUpdateWidget(oldWidget);
}
@override
void dispose() {
SystemChrome.setPreferredOrientations([
DeviceOrientation.portraitUp,
]);
if (isInit) {
videoPlayerController.dispose();
chewieController.dispose();
}
super.dispose();
}
@override
Widget tuiBuild(BuildContext context, TUIKitBuildValue value) {
return OrientationBuilder(builder: ((context, orientation) {
return Material(
color: Colors.transparent,
child: Container(
color: Colors.transparent,
constraints: BoxConstraints.expand(
height: MediaQuery.of(context).size.height,
),
child: ExtendedImageSlidePage(
key: slidePagekey,
slidePageBackgroundHandler: (Offset offset, Size size) {
if (orientation == Orientation.landscape) {
return Colors.black;
}
double opacity = 0.0;
opacity = offset.distance / (Offset(size.width, size.height).distance / 2.0);
return Colors.black.withOpacity(min(1.0, max(1.0 - opacity, 0.0)));
},
slideType: SlideType.onlyImage,
slideEndHandler: (
Offset offset, {
ExtendedImageSlidePageState? state,
ScaleEndDetails? details,
}) {
final vy = details?.velocity.pixelsPerSecond.dy ?? 0;
final oy = offset.dy;
if (vy > 300 || oy > 100) {
return true;
}
return null;
},
child: ExtendedImageSlidePageHandler(
child: Container(
color: Colors.black,
child: isInit
? Chewie(
controller: chewieController,
)
: const Center(child: CircularProgressIndicator(color: Colors.white))),
heroBuilderForSlidingPage: (Widget result) {
return Hero(
tag: widget.heroTag,
child: result,
flightShuttleBuilder: (BuildContext flightContext, Animation<double> animation, HeroFlightDirection flightDirection, BuildContext fromHeroContext, BuildContext toHeroContext) {
final Hero hero = (flightDirection == HeroFlightDirection.pop ? fromHeroContext.widget : toHeroContext.widget) as Hero;
return hero.child;
},
);
},
)),
));
}));
}
}