Simple chat & small fixes

app/src/main/kotlin/com/meloda/fast/widget/BoundedFrameLayout.kt

@@ -0,0 +1,64 @@
+package com.meloda.fast.widget
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.util.AttributeSet
+import android.widget.FrameLayout
+import com.meloda.fast.R
+
+class BoundedFrameLayout : FrameLayout {
+    private var mBoundedWidth: Int
+    private var mBoundedHeight: Int
+
+    constructor(context: Context) : super(context) {
+        mBoundedWidth = 0
+        mBoundedHeight = 0
+    }
+
+    @SuppressLint("CustomViewStyleable")
+    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) {
+        val a = context.obtainStyledAttributes(attrs, R.styleable.BoundedView)
+        mBoundedWidth = a.getDimensionPixelSize(R.styleable.BoundedView_bounded_width, 0)
+        mBoundedHeight = a.getDimensionPixelSize(R.styleable.BoundedView_bounded_height, 0)
+        a.recycle()
+    }
+
+    var maxWidth: Int
+        get() = mBoundedWidth
+        set(width) {
+            if (mBoundedWidth != width) {
+                mBoundedWidth = width
+                requestLayout()
+            }
+        }
+
+    var maxHeight: Int
+        get() = mBoundedHeight
+        set(height) {
+            if (mBoundedHeight != height) {
+                mBoundedHeight = height
+                requestLayout()
+            }
+        }
+
+    override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+        // Adjust width as necessary
+        var widthMeasureSpec = widthMeasureSpec
+        var heightMeasureSpec = heightMeasureSpec
+        val measuredWidth = MeasureSpec.getSize(widthMeasureSpec)
+
+        if (mBoundedWidth in 1 until measuredWidth) {
+            val measureMode = MeasureSpec.getMode(widthMeasureSpec)
+            widthMeasureSpec = MeasureSpec.makeMeasureSpec(mBoundedWidth, measureMode)
+        }
+
+        // Adjust height as necessary
+        val measuredHeight = MeasureSpec.getSize(heightMeasureSpec)
+        if (mBoundedHeight in 1 until measuredHeight) {
+            val measureMode = MeasureSpec.getMode(heightMeasureSpec)
+            heightMeasureSpec = MeasureSpec.makeMeasureSpec(mBoundedHeight, measureMode)
+        }
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec)
+    }
+
+}

app/src/main/kotlin/com/meloda/fast/widget/BoundedLinearLayout.kt

@@ -10,7 +10,7 @@ class BoundedLinearLayout : LinearLayout {
     private var mBoundedWidth: Int
     private var mBoundedHeight: Int
 
-    constructor(context: Context?) : super(context) {
+    constructor(context: Context) : super(context) {
         mBoundedWidth = 0
         mBoundedHeight = 0
     }

app/src/main/kotlin/com/meloda/fast/widget/ScrollingTextView.kt

@@ -0,0 +1,28 @@
+package com.meloda.fast.widget
+
+import android.content.Context
+import android.graphics.Rect
+import android.util.AttributeSet
+import com.google.android.material.textview.MaterialTextView
+
+class ScrollingTextView : MaterialTextView {
+    constructor(context: Context) : super(context)
+    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
+    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(
+        context,
+        attrs,
+        defStyleAttr
+    )
+
+    override fun onFocusChanged(focused: Boolean, direction: Int, previouslyFocusedRect: Rect?) {
+        if (focused) super.onFocusChanged(focused, direction, previouslyFocusedRect)
+    }
+
+    override fun onWindowFocusChanged(focused: Boolean) {
+        if (focused) super.onWindowFocusChanged(true)
+    }
+
+    override fun isFocused(): Boolean {
+        return true
+    }
+}