From 472f70e8339801a8cc03d0024439bc6e6da0e290 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BE=90=E5=8B=A4=E6=B0=91?= <xuqinmin@bjca.org.cn>
Date: Thu, 16 Apr 2026 16:48:45 +0800
Subject: [PATCH] =?UTF-8?q?feat(ui):=20=E6=B7=BB=E5=8A=A0=E8=81=8A?=
 =?UTF-8?q?=E5=A4=A9=E8=83=8C=E6=99=AF=E7=BB=98=E5=88=B6=E5=8A=9F=E8=83=BD?=
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- 移除未使用的 ChatModel 导入
- 移除未使用的 Path 注解导入
- 新增 BgChatDrawable 类实现带缺口的边框绘制
- 实现圆形角矩形边框绘制功能
- 添加底部中央镂空区域用于放置加载指示器
- 支持自定义密度适配不同屏幕尺寸
---
 .../nova/brain/glass/helper/BgChatDrawable.kt | 75 +++++++++++++++++++
 .../nova/brain/glass/repository/Service.kt    |  2 -
 2 files changed, 75 insertions(+), 2 deletions(-)
 create mode 100644 app/src/main/java/com/nova/brain/glass/helper/BgChatDrawable.kt

diff --git a/app/src/main/java/com/nova/brain/glass/helper/BgChatDrawable.kt b/app/src/main/java/com/nova/brain/glass/helper/BgChatDrawable.kt
new file mode 100644
index 0000000..c827fd8
--- /dev/null
+++ b/app/src/main/java/com/nova/brain/glass/helper/BgChatDrawable.kt
@@ -0,0 +1,75 @@
+package com.nova.brain.glass.helper
+
+import android.graphics.*
+import android.graphics.drawable.Drawable
+
+/**
+ * 带底部缺口的边框 Drawable。
+ * 绘制完整的矩形圆角边框，但底边中央留出 [cutoutDp]dp 的镂空，
+ * 用于放置 loading 指示器。
+ */
+class BgChatDrawable(private val density: Float) : Drawable() {
+
+    private val strokeWidthPx = 2f * density
+    private val cornerRadiusPx = 4f * density
+    private val cutoutPx = 50f * density
+
+    private val paint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
+        color = Color.parseColor("#FF40FF5E")
+        style = Paint.Style.STROKE
+        strokeWidth = strokeWidthPx
+        strokeCap = Paint.Cap.BUTT
+    }
+
+    private val path = Path()
+
+    override fun draw(canvas: Canvas) {
+        val b = bounds
+        val half = strokeWidthPx / 2f
+        val l = b.left + half
+        val t = b.top + half
+        val r = b.right - half
+        val bot = b.bottom - half
+        val cx = (l + r) / 2f
+        val cutHalf = cutoutPx / 2f
+        val cr = cornerRadiusPx
+
+        path.rewind()
+
+        // 顶边（左上角 → 右上角）
+        path.moveTo(l + cr, t)
+        path.lineTo(r - cr, t)
+        path.arcTo(r - 2 * cr, t, r, t + 2 * cr, -90f, 90f, false)
+
+        // 右边（右上角 → 右下角）
+        path.lineTo(r, bot - cr)
+        path.arcTo(r - 2 * cr, bot - 2 * cr, r, bot, 0f, 90f, false)
+
+        // 底边右半段（右下角 → 缺口右侧）
+        path.lineTo(cx + cutHalf, bot)
+
+        // 跳过底边中央 50dp（镂空）
+        path.moveTo(cx - cutHalf, bot)
+
+        // 底边左半段（缺口左侧 → 左下角）
+        path.lineTo(l + cr, bot)
+        path.arcTo(l, bot - 2 * cr, l + 2 * cr, bot, 90f, 90f, false)
+
+        // 左边（左下角 → 左上角）
+        path.lineTo(l, t + cr)
+        path.arcTo(l, t, l + 2 * cr, t + 2 * cr, 180f, 90f, false)
+
+        canvas.drawPath(path, paint)
+    }
+
+    override fun setAlpha(alpha: Int) {
+        paint.alpha = alpha
+    }
+
+    override fun setColorFilter(colorFilter: ColorFilter?) {
+        paint.colorFilter = colorFilter
+    }
+
+    @Suppress("OVERRIDE_DEPRECATION")
+    override fun getOpacity(): Int = PixelFormat.TRANSLUCENT
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/nova/brain/glass/repository/Service.kt b/app/src/main/java/com/nova/brain/glass/repository/Service.kt
index dc62e59..f87726b 100644
--- a/app/src/main/java/com/nova/brain/glass/repository/Service.kt
+++ b/app/src/main/java/com/nova/brain/glass/repository/Service.kt
@@ -1,6 +1,5 @@
 package com.nova.brain.glass.repository
 
-import com.nova.brain.glass.model.ChatModel
 import com.nova.brain.glass.model.RecognizeModel
 import com.nova.brain.glass.model.data.ChatData
 import com.nova.brain.glass.model.data.RecognizeData
@@ -10,7 +9,6 @@ import okhttp3.ResponseBody
 import retrofit2.http.Body
 import retrofit2.http.GET
 import retrofit2.http.POST
-import retrofit2.http.Path
 import retrofit2.http.Streaming
 
 interface Service {