72 lines
2.3 KiB
Dart
72 lines
2.3 KiB
Dart
import 'package:fixnum/fixnum.dart';
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import 'package:webrtc_controller_flutter/proto/control_message.pb.dart';
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/// 控制指令构造工具，对应 Android 端 RemoteTouchView 的指令格式。
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///
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/// 指令通过 DataChannel 以 protobuf 二进制（[ControlMessage]）发送，
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/// 被控端（WebRTCControlled）的 InputCommandHandler 负责解析执行。
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class ControlCommands {
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ControlCommands._();
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/// 单击指令。坐标 x/y 为相对于屏幕的百分比（0.0 ~ 1.0）。
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static ControlMessage touch(double x, double y) => ControlMessage(
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action: Action.TOUCH,
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x: x,
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y: y,
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);
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/// 滑动指令。坐标为相对百分比，duration 为毫秒。
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static ControlMessage swipe(
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double x1,
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double y1,
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double x2,
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double y2,
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int durationMs,
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) =>
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ControlMessage(
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action: Action.SWIPE,
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x1: x1,
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y1: y1,
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x2: x2,
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y2: y2,
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duration: Int64(durationMs),
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);
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/// 按键指令。action: 0=按下, 1=抬起（对应 Android KeyEvent.ACTION_DOWN/UP）。
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static ControlMessage key(int keyCode, int action) => ControlMessage(
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action: Action.KEY,
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keyCode: keyCode,
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keyAction: action,
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);
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/// 长按指令。坐标 x/y 为相对于屏幕的百分比（0.0 ~ 1.0）。
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/// 对应 Android 端 RemoteTouchView.createLongPressCommand。
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static ControlMessage longPress(double x, double y) => ControlMessage(
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action: Action.LONG_PRESS,
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x: x,
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y: y,
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);
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/// 原始 MotionEvent 指令，用于实现“实时跟手”。
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/// action: 0=DOWN, 1=UP, 2=MOVE（对应 Android MotionEvent.ACTION_XXX）。
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static ControlMessage motionEvent(int action, double x, double y) =>
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ControlMessage(
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action: Action.MOTION_EVENT,
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motionAction: action,
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x: x,
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y: y,
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);
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/// 分辨率切换指令。
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/// [width] 目标长边/宽度（<=0 表示被控端原生分辨率）；
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/// [height] 目标高度（<=0 时由被控端按屏幕宽高比计算）；
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/// [fps] 目标帧率（<=0 表示沿用当前帧率）。
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static ControlMessage setResolution(int width, int height, int fps) =>
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ControlMessage(
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action: Action.SET_RESOLUTION,
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width: width,
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height: height,
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fps: fps,
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);
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}
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