75 lines
2.7 KiB
Swift
75 lines
2.7 KiB
Swift
//
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// UsbCameraAndroidPlugin.swift
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// usb_camera_android
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//
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// Flutter iOS 插件入口：注册 MethodChannel / EventChannel / PlatformView，
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// 通道名与 Android 端完全一致，上层 Dart 无需区分平台。
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//
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import Flutter
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import UIKit
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public class UsbCameraAndroidPlugin: NSObject, FlutterPlugin, FlutterStreamHandler {
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private static let METHOD_CHANNEL = "com.maibu.usb_camera_android/methods"
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private static let EVENT_CHANNEL = "com.maibu.usb_camera_android/events"
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private static let VIEW_TYPE = "com.maibu.usb_camera_android/preview"
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private let engine = UsbCameraEngine()
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public static func register(with registrar: FlutterPluginRegistrar) {
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let instance = UsbCameraAndroidPlugin()
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let methodChannel = FlutterMethodChannel(
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name: METHOD_CHANNEL, binaryMessenger: registrar.messenger())
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registrar.addMethodCallDelegate(instance, channel: methodChannel)
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let eventChannel = FlutterEventChannel(
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name: EVENT_CHANNEL, binaryMessenger: registrar.messenger())
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eventChannel.setStreamHandler(instance)
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registrar.register(UsbCameraViewFactory(engine: instance.engine),
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withId: VIEW_TYPE)
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instance.engine.startMonitoring()
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}
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// MARK: - FlutterStreamHandler（转发给 engine）
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public func onListen(withArguments arguments: Any?,
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eventSink events: @escaping FlutterEventSink) -> FlutterError? {
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return engine.onListen(withArguments: arguments, eventSink: events)
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}
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public func onCancel(withArguments arguments: Any?) -> FlutterError? {
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return engine.onCancel(withArguments: arguments)
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}
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// MARK: - MethodCallHandler
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public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
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switch call.method {
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case "isSupported":
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result(engine.isSupported())
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case "getDeviceList":
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result(engine.getDeviceList())
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case "getSupportedResolutions":
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result(engine.getSupportedResolutions())
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case "getPreviewSize":
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result(engine.getPreviewSize())
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case "open":
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let args = call.arguments as? [String: Any]
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engine.open(deviceId: args?["deviceId"] as? String,
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resolution: args?["resolution"] as? String,
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result: result)
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case "close":
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engine.close(result: result)
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case "setResolution":
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let args = call.arguments as? [String: Any]
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engine.setResolution(args?["resolution"] as? String, result: result)
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default:
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result(FlutterMethodNotImplemented)
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}
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}
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}
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