Tip view

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/widgets/TipView.kt

@@ -0,0 +1,135 @@
+package org.koitharu.kotatsu.core.ui.widgets
+
+import android.content.Context
+import android.graphics.Outline
+import android.graphics.Rect
+import android.graphics.RectF
+import android.graphics.drawable.Drawable
+import android.util.AttributeSet
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewOutlineProvider
+import android.widget.LinearLayout
+import androidx.annotation.DrawableRes
+import androidx.annotation.StringRes
+import androidx.core.content.ContextCompat
+import androidx.core.content.withStyledAttributes
+import androidx.core.view.setPadding
+import com.google.android.material.shape.MaterialShapeDrawable
+import com.google.android.material.shape.ShapeAppearanceModel
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.util.ext.drawableStart
+import org.koitharu.kotatsu.core.util.ext.getDrawableCompat
+import org.koitharu.kotatsu.core.util.ext.getThemeColorStateList
+import org.koitharu.kotatsu.core.util.ext.setTextAndVisible
+import org.koitharu.kotatsu.core.util.ext.textAndVisible
+import org.koitharu.kotatsu.databinding.ViewTipBinding
+import com.google.android.material.R as materialR
+
+class TipView @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null,
+	defStyleAttr: Int = R.attr.tipViewStyle,
+) : LinearLayout(context, attrs, defStyleAttr), View.OnClickListener {
+
+	private val binding = ViewTipBinding.inflate(LayoutInflater.from(context), this)
+
+	var title: CharSequence?
+		get() = binding.textViewTitle.text
+		set(value) {
+			binding.textViewTitle.text = value
+		}
+
+	var text: CharSequence?
+		get() = binding.textViewBody.text
+		set(value) {
+			binding.textViewBody.text = value
+		}
+
+	var icon: Drawable?
+		get() = binding.textViewTitle.drawableStart
+		set(value) {
+			binding.textViewTitle.drawableStart = value
+		}
+
+	var primaryButtonText: CharSequence?
+		get() = binding.buttonPrimary.textAndVisible
+		set(value) {
+			binding.buttonPrimary.textAndVisible = value
+		}
+
+	var secondaryButtonText: CharSequence?
+		get() = binding.buttonSecondary.textAndVisible
+		set(value) {
+			binding.buttonSecondary.textAndVisible = value
+		}
+
+	var onButtonClickListener: OnButtonClickListener? = null
+
+	init {
+		orientation = VERTICAL
+		setPadding(context.resources.getDimensionPixelOffset(R.dimen.margin_normal))
+		context.withStyledAttributes(attrs, R.styleable.TipView, defStyleAttr) {
+			title = getText(R.styleable.TipView_title)
+			text = getText(R.styleable.TipView_android_text)
+			icon = getDrawableCompat(context, R.styleable.TipView_icon)
+			primaryButtonText = getString(R.styleable.TipView_primaryButtonText)
+			secondaryButtonText = getString(R.styleable.TipView_secondaryButtonText)
+			val shapeAppearanceModel = ShapeAppearanceModel.builder(context, attrs, defStyleAttr, 0).build()
+			background = MaterialShapeDrawable(shapeAppearanceModel).also {
+				it.fillColor = getColorStateList(R.styleable.TipView_cardBackgroundColor)
+					?: context.getThemeColorStateList(materialR.attr.colorBackgroundFloating)
+				it.strokeWidth = getDimension(R.styleable.TipView_strokeWidth, 0f)
+				it.strokeColor = getColorStateList(R.styleable.TipView_strokeColor)
+				it.elevation = getDimension(R.styleable.TipView_elevation, 0f)
+			}
+			outlineProvider = OutlineProvider(shapeAppearanceModel)
+		}
+	}
+
+	override fun onClick(v: View) {
+		when (v.id) {
+			R.id.button_primary -> onButtonClickListener?.onPrimaryButtonClick(this)
+			R.id.button_secondary -> onButtonClickListener?.onSecondaryButtonClick(this)
+		}
+	}
+
+	fun setTitle(@StringRes resId: Int) {
+		binding.textViewTitle.setText(resId)
+	}
+
+	fun setText(@StringRes resId: Int) {
+		binding.textViewBody.setText(resId)
+	}
+
+	fun setPrimaryButtonText(@StringRes resId: Int) {
+		binding.buttonPrimary.setTextAndVisible(resId)
+	}
+
+	fun setSecondaryButtonText(@StringRes resId: Int) {
+		binding.buttonSecondary.setTextAndVisible(resId)
+	}
+
+	fun setIcon(@DrawableRes resId: Int) {
+		icon = ContextCompat.getDrawable(context, resId)
+	}
+
+	interface OnButtonClickListener {
+
+		fun onPrimaryButtonClick(tipView: TipView)
+
+		fun onSecondaryButtonClick(tipView: TipView)
+	}
+
+	private class OutlineProvider(
+		shapeAppearanceModel: ShapeAppearanceModel,
+	) : ViewOutlineProvider() {
+
+		private val shapeDrawable = MaterialShapeDrawable(shapeAppearanceModel)
+		override fun getOutline(view: View, outline: Outline) {
+			shapeDrawable.setBounds(0, 0, view.width, view.height)
+			shapeDrawable.getOutline(outline)
+		}
+	}
+
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Theme.kt

@@ -1,11 +1,16 @@
 package org.koitharu.kotatsu.core.util.ext
 
 import android.content.Context
+import android.content.res.TypedArray
 import android.graphics.Color
+import android.graphics.drawable.Drawable
 import androidx.annotation.AttrRes
 import androidx.annotation.ColorInt
 import androidx.annotation.FloatRange
 import androidx.annotation.Px
+import androidx.core.content.ContextCompat
+import androidx.core.content.res.ResourcesCompat
+import androidx.core.content.res.TypedArrayUtils
 import androidx.core.content.res.use
 import androidx.core.graphics.ColorUtils
 
@@ -60,3 +65,8 @@ fun Context.getThemeColorStateList(
 ) = obtainStyledAttributes(intArrayOf(resId)).use {
 	it.getColorStateList(0)
 }
+
+fun TypedArray.getDrawableCompat(context: Context, index: Int): Drawable? {
+	val resId = getResourceId(index, 0)
+	return if (resId != 0) ContextCompat.getDrawable(context, resId) else null
+}