From d6c0d1eeb25dbdc8fb8442ed415a5e8e6f05e0bf Mon Sep 17 00:00:00 2001
From: WhiredPlanck <whiredplanck@outlook.com>
Date: Sun, 19 Jun 2022 23:00:06 +0800
Subject: [PATCH] refactor(components): new LogView

A component that show logcat in different color.

Ref: https://github.com/fcitx5-android/fcitx5-android/blob/e44c1c7/app/src/main/java/org/fcitx/fcitx5/android/ui/common/LogView.kt
---
 .../trime/settings/components/LogView.kt      | 102 ++++++++++++++++++
 app/src/main/res/values/colors.xml            |   8 ++
 2 files changed, 110 insertions(+)
 create mode 100644 app/src/main/java/com/osfans/trime/settings/components/LogView.kt

diff --git a/app/src/main/java/com/osfans/trime/settings/components/LogView.kt b/app/src/main/java/com/osfans/trime/settings/components/LogView.kt
new file mode 100644
index 0000000000..e9cf8dc2f1
--- /dev/null
+++ b/app/src/main/java/com/osfans/trime/settings/components/LogView.kt
@@ -0,0 +1,102 @@
+/**
+ * Adapted from [fcitx5-android/Logview.kt](https://github.com/fcitx5-android/fcitx5-android/blob/e44c1c7/app/src/main/java/org/fcitx/fcitx5/android/ui/common/LogView.kt)
+ */
+package com.osfans.trime.settings.components
+
+import android.content.Context
+import android.graphics.Typeface
+import android.os.Build
+import android.text.Spannable
+import android.text.SpannableString
+import android.text.style.ForegroundColorSpan
+import android.util.AttributeSet
+import android.view.ViewGroup
+import android.view.textclassifier.TextClassifier
+import android.widget.HorizontalScrollView
+import android.widget.TextView
+import androidx.core.view.setPadding
+import androidx.core.widget.NestedScrollView
+import androidx.lifecycle.findViewTreeLifecycleOwner
+import androidx.lifecycle.lifecycleScope
+import com.blankj.utilcode.util.ColorUtils
+import com.blankj.utilcode.util.SizeUtils
+import com.osfans.trime.R
+import com.osfans.trime.util.Logcat
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
+
+class LogView @JvmOverloads constructor(context: Context, attributeSet: AttributeSet? = null) :
+    NestedScrollView(context, attributeSet) {
+
+    private var logcat: Logcat? = null
+
+    private val textView = TextView(context, attributeSet).apply {
+        setPadding(SizeUtils.dp2px(4F))
+        textSize = 12f
+        typeface = Typeface.MONOSPACE
+        setTextIsSelectable(true)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            setTextClassifier(object : TextClassifier {})
+        }
+    }
+
+    private val scrollView = HorizontalScrollView(context, attributeSet).apply {
+        addView(
+            textView,
+            LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.MATCH_PARENT
+            )
+        )
+    }
+
+    init {
+        addView(
+            scrollView,
+            LayoutParams(
+                ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.MATCH_PARENT
+            )
+        )
+    }
+
+    override fun onDetachedFromWindow() {
+        logcat?.shutdownLogFlow()
+        super.onDetachedFromWindow()
+    }
+
+    fun setLogcat(logcat: Logcat) {
+        this.logcat = logcat
+        logcat.initLogFlow()
+        logcat.logFlow.onEach {
+            val color = ColorUtils.getColor(
+                when (it.first()) {
+                    'V' -> R.color.grey_700
+                    'D' -> R.color.grey_700
+                    'I' -> R.color.blue_500
+                    'W' -> R.color.yellow_800
+                    'E' -> R.color.red_400
+                    'F' -> R.color.red_A700
+                    else -> R.color.colorPrimary
+                }
+            )
+            val colored = SpannableString(it).apply {
+                setSpan(
+                    ForegroundColorSpan(color),
+                    0,
+                    it.length,
+                    Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
+                )
+            }
+            textView.append(colored)
+            textView.append("\n")
+        }.launchIn(findViewTreeLifecycleOwner()!!.lifecycleScope)
+    }
+
+    val currentLog: CharSequence
+        get() = textView.text ?: ""
+
+    fun clear() {
+        textView.text = ""
+    }
+}
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 5cb302d8ee..3deb40d445 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -1,5 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+    <color name="red_A700">#D50000</color>
+    <color name="red_400">#EF5350</color>
+    <color name="yellow_500">#FFEB3B</color>
+    <color name="yellow_800">#F9A825</color>
+    <color name="blue_500">#2196F3</color>
+    <color name="grey_400">#BDBDBD</color>
+    <color name="grey_700">#616161</color>
+
     <!-- 本色彩方案取自 Rime 官网（https://rime.im） -->
     <color name="colorPrimary">#3F4144</color> <!-- 浅主题色 -->
     <color name="colorPrimaryDark">#37393D</color> <!-- 深主题色 -->