tencent_cloud_chat_uikit_fl.../lib/ui/utils/screen_utils.dart

64 lines
2.3 KiB
Dart

// ignore_for_file: constant_identifier_names
import 'dart:math';
import 'package:flutter/cupertino.dart';
import 'package:tencent_cloud_chat_uikit/ui/utils/platform.dart';
enum DeviceType { Desktop, Mobile }
class FormFactor {
static double desktop = 900;
static double handset = 300;
}
class TUIKitScreenUtils {
static DeviceType? deviceType;
/// Although specifying the `BuildContext` is optional, providing it can prevent layout issues when this widget renders immediately after the app launch.
/// If this widget needs to be used at the moment the app launches, it's recommended to provide the `BuildContext` here.
static DeviceType getFormFactor([BuildContext? context]) {
if (deviceType != null) return deviceType!;
if (PlatformUtils().isWeb) {
final win = WidgetsBinding.instance.platformDispatcher.views.first;
final size = win.physicalSize;
final screenWidth = size.width / win.devicePixelRatio;
final screenHeight = size.height / win.devicePixelRatio;
final diagonalInInches =
sqrt(pow(screenWidth, 2) + pow(screenHeight, 2)) / 96.0;
deviceType = diagonalInInches < 8.0 ? DeviceType.Mobile : DeviceType.Desktop;
return deviceType ?? DeviceType.Mobile;
}else{
if(context != null){
double deviceWidth = MediaQuery.of(context).size.width;
double deviceHeight = MediaQuery.of(context).size.height;
if (deviceWidth > FormFactor.desktop || deviceWidth > deviceHeight * 1.1) {
deviceType = DeviceType.Desktop;
} else if (deviceWidth > FormFactor.handset) {
deviceType = DeviceType.Mobile;
}
return deviceType ?? DeviceType.Mobile;
}else{
return DeviceType.Mobile;
}
}
}
static Widget getDeviceWidget({
/// Although specifying the `BuildContext` is optional, providing it can prevent layout issues when this widget renders immediately after the app launch.
/// If this widget needs to be used at the moment the app launches, it's recommended to provide the `BuildContext` here.
BuildContext? context,
required Widget defaultWidget,
Widget? desktopWidget,
Widget? mobileWidget,
}) {
deviceType ??= getFormFactor(context);
if (deviceType == DeviceType.Desktop) return desktopWidget ?? defaultWidget;
return mobileWidget ?? defaultWidget;
}
}