41a514e9cc
- 新增 /connection 路由，从全局选中设备 SN 读取并渲染远程控制页 - 首页镜像操作改为静默下发 mirror 命令并跳转远程控制页 - 更新 AGENTS.md 版本管理策略为使用最新稳定版本 - 调整 pubspec.lock 中 hooks 与 record_use 版本
140 lines
3.8 KiB
Dart
140 lines
3.8 KiB
Dart
import 'dart:typed_data';
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/// 控制指令 Action 枚举（与控制端 proto 的 Action 字段号一致）。
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class ActionType {
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static const unknown = 0;
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static const touch = 1;
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static const swipe = 2;
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static const key = 3;
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static const longPress = 4;
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static const motionEvent = 5;
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static const setResolution = 6;
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static const reportResolution = 7;
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static const setStreamMode = 8;
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static const reportStreamMode = 9;
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}
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/// protobuf wire format 编码器。
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///
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/// 与控制端 `com.ttstd.control.ControlMessage`（protobuf 3）字段号完全对齐：
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/// action=1, x=2, y=3, x1=4, y1=5, x2=6, y2=7, duration=8,
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/// key_code=9, key_action=10, motion_action=11, width=12, height=13,
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/// fps=14, stream_mode=15, supported_fps=16(repeated int32)。
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///
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/// 坐标均为相对屏幕百分比（0.0~1.0），被控端乘以真实分辨率还原像素。
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class ControlMessageEncoder {
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final int action;
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// 单点坐标
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final double x;
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final double y;
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// 滑动起止
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final double x1;
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final double y1;
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final double x2;
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final double y2;
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final int duration;
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// 按键
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final int keyCode;
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final int keyAction;
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// 原始动作
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final int motionAction;
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// 分辨率/帧率
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final int width;
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final int height;
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final int fps;
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final int streamMode;
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const ControlMessageEncoder({
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required this.action,
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this.x = 0,
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this.y = 0,
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this.x1 = 0,
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this.y1 = 0,
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this.x2 = 0,
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this.y2 = 0,
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this.duration = 0,
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this.keyCode = 0,
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this.keyAction = 0,
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this.motionAction = 0,
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this.width = 0,
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this.height = 0,
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this.fps = 0,
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this.streamMode = 0,
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});
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/// 编码为 protobuf 二进制字节数组。
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Uint8List encode() {
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final out = BytesBuilder(copy: false);
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// 1: action (enum=int32)
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_writeVarintField(out, 1, action);
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// 2: x, 3: y (double, wire type 1)
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if (x != 0) _writeFixed64Field(out, 2, x);
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if (y != 0) _writeFixed64Field(out, 3, y);
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// 4-7: swipe 起止
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if (x1 != 0) _writeFixed64Field(out, 4, x1);
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if (y1 != 0) _writeFixed64Field(out, 5, y1);
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if (x2 != 0) _writeFixed64Field(out, 6, x2);
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if (y2 != 0) _writeFixed64Field(out, 7, y2);
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// 8: duration (int64)
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if (duration != 0) _writeVarintField(out, 8, duration);
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// 9: key_code, 10: key_action (int32)
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if (keyCode != 0) _writeVarintField(out, 9, keyCode);
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if (keyAction != 0) _writeVarintField(out, 10, keyAction);
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// 11: motion_action
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if (motionAction != 0) _writeVarintField(out, 11, motionAction);
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// 12-14: width/height/fps
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if (width != 0) _writeVarintField(out, 12, width);
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if (height != 0) _writeVarintField(out, 13, height);
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if (fps != 0) _writeVarintField(out, 14, fps);
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// 15: stream_mode
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if (streamMode != 0) _writeVarintField(out, 15, streamMode);
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return out.toBytes();
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}
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// ---- protobuf wire format 原语 ----
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void _writeVarintField(BytesBuilder out, int field, int value) {
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_writeTag(out, field, 0); // wire type 0 = varint
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_writeVarint(out, value);
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}
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void _writeFixed64Field(BytesBuilder out, int field, double value) {
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_writeTag(out, field, 1); // wire type 1 = 64-bit (double)
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// protobuf 的 fixed64/double 必须为 little-endian，否则设备端解析出错误值（如 NaN/Infinity）
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final bd = ByteData(8);
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bd.setFloat64(0, value, Endian.little);
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out.add(bd.buffer.asUint8List());
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}
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void _writeTag(BytesBuilder out, int field, int wireType) {
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_writeVarint(out, (field << 3) | wireType);
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}
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void _writeVarint(BytesBuilder out, int value) {
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// 转成无符号 64 位表示，配合逻辑右移 >>>，避免负数算术右移导致死循环（OOM）。
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var v = value.toUnsigned(64);
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while (true) {
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if ((v & ~0x7F) == 0) {
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out.addByte(v & 0xFF);
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break;
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}
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out.addByte((v & 0x7F) | 0x80);
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v = v >>> 7;
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}
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}
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}
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